[PATCH v2 09/28] ram: rockchip: Add rv1126 ddr driver support
Kever Yang
kever.yang at rock-chips.com
Wed Sep 28 14:18:21 CEST 2022
On 2022/8/18 22:52, Jagan Teki wrote:
> Add DDR driver for Rockchip RV1126 SoC.
>
> Signed-off-by: YouMin Chen <cym at rock-chips.com>
> Signed-off-by: Jagan Teki <jagan at edgeble.ai>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
> Changes for v2:
> - none
>
> .../asm/arch-rockchip/dram_spec_timing.h | 452 +++
> .../include/asm/arch-rockchip/sdram_common.h | 212 +
> .../include/asm/arch-rockchip/sdram_msch.h | 12 +
> .../asm/arch-rockchip/sdram_phy_rv1126.h | 93 +
> .../include/asm/arch-rockchip/sdram_rv1126.h | 420 ++
> drivers/ram/rockchip/Makefile | 1 +
> drivers/ram/rockchip/sdram_rv1126.c | 3521 +++++++++++++++++
> 7 files changed, 4711 insertions(+)
> create mode 100644 arch/arm/include/asm/arch-rockchip/dram_spec_timing.h
> create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h
> create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rv1126.h
> create mode 100644 drivers/ram/rockchip/sdram_rv1126.c
>
> diff --git a/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h b/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h
> new file mode 100644
> index 0000000000..a691e97a8b
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h
> @@ -0,0 +1,452 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2020 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef __ROCKCHIP_DRAM_SPEC_TIMING_H__
> +#define __ROCKCHIP_DRAM_SPEC_TIMING_H__
> +
> +enum ddr3_speed_rate {
> + /* 5-5-5 */
> + DDR3_800D = 0,
> + /* 6-6-6 */
> + DDR3_800E = 1,
> + /* 6-6-6 */
> + DDR3_1066E = 2,
> + /* 7-7-7 */
> + DDR3_1066F = 3,
> + /* 8-8-8 */
> + DDR3_1066G = 4,
> + /* 7-7-7 */
> + DDR3_1333F = 5,
> + /* 8-8-8 */
> + DDR3_1333G = 6,
> + /* 9-9-9 */
> + DDR3_1333H = 7,
> + /* 10-10-10 */
> + DDR3_1333J = 8,
> + /* 8-8-8 */
> + DDR3_1600G = 9,
> + /* 9-9-9 */
> + DDR3_1600H = 10,
> + /* 10-10-10 */
> + DDR3_1600J = 11,
> + /* 11-11-11 */
> + DDR3_1600K = 12,
> + /* 10-10-10 */
> + DDR3_1866J = 13,
> + /* 11-11-11 */
> + DDR3_1866K = 14,
> + /* 12-12-12 */
> + DDR3_1866L = 15,
> + /* 13-13-13 */
> + DDR3_1866M = 16,
> + /* 11-11-11 */
> + DDR3_2133K = 17,
> + /* 12-12-12 */
> + DDR3_2133L = 18,
> + /* 13-13-13 */
> + DDR3_2133M = 19,
> + /* 14-14-14 */
> + DDR3_2133N = 20,
> + DDR3_DEFAULT = 21,
> +};
> +
> +enum ddr4_speed_rate {
> + /* DDR4_1600J (10-10-10) */
> + DDR4_1600J = 0,
> + /* DDR4_1600K (11-11-11) */
> + DDR4_1600K = 1,
> + /* DDR4_1600L (12-12-12) */
> + DDR4_1600L = 2,
> + /* DDR4_1800L (12-12-12) */
> + DDR4_1866L = 3,
> + /* DDR4_1800M (13-13-13) */
> + DDR4_1866M = 4,
> + /* DDR4_1800N (14-14-14) */
> + DDR4_1866N = 5,
> + /* DDR4_2133N (14-14-14) */
> + DDR4_2133N = 6,
> + /* DDR4_2133P (15-15-15) */
> + DDR4_2133P = 7,
> + /* DDR4_2133R (16-16-16) */
> + DDR4_2133R = 8,
> + /* DDR4_2400P (15-15-15) */
> + DDR4_2400P = 9,
> + /* DDR4_2400R (16-16-16) */
> + DDR4_2400R = 10,
> + /* DDR4_2400U (18-18-18) */
> + DDR4_2400U = 11,
> + /* DEFAULT */
> + DDR4_DEFAULT = 12,
> +};
> +
> +/* mr0 for ddr3 */
> +#define DDR3_BL8 (0)
> +#define DDR3_BC4_8 (1)
> +#define DDR3_BC4 (2)
> +#define DDR3_CL(n) (((((n) - 4) & 0x7) << 4)\
> + | ((((n) - 4) & 0x8) >> 1))
> +#define DDR3_WR(n) (((n) & 0x7) << 9)
> +#define DDR3_DLL_RESET (1 << 8)
> +#define DDR3_DLL_DERESET (0 << 8)
> +
> +/* mr1 for ddr3 */
> +#define DDR3_DLL_ENABLE (0)
> +#define DDR3_DLL_DISABLE (1)
> +#define DDR3_MR1_AL(n) (((n) & 0x3) << 3)
> +
> +#define DDR3_DS_40 (0)
> +#define DDR3_DS_34 BIT(1)
> +#define DDR3_DS_MASK ((1 << 1) | (1 << 5))
> +#define DDR3_RTT_NOM_MASK ((1 << 2) | (1 << 6) | (1 << 9))
> +#define DDR3_RTT_NOM_DIS (0)
> +#define DDR3_RTT_NOM_60 BIT(2)
> +#define DDR3_RTT_NOM_120 BIT(6)
> +#define DDR3_RTT_NOM_40 ((1 << 2) | (1 << 6))
> +#define DDR3_TDQS BIT(11)
> +
> +/* mr2 for ddr3 */
> +#define DDR3_MR2_CWL(n) ((((n) - 5) & 0x7) << 3)
> +#define DDR3_RTT_WR_DIS (0)
> +#define DDR3_RTT_WR_60 (1 << 9)
> +#define DDR3_RTT_WR_120 (2 << 9)
> +
> +/*
> + * MR0 (Device Information)
> + * 0:DAI complete, 1:DAI still in progress
> + */
> +#define LPDDR2_DAI (0x1)
> +/* 0:S2 or S4 SDRAM, 1:NVM */
> +#define LPDDR2_DI (0x1 << 1)
> +/* 0:DNV not supported, 1:DNV supported */
> +#define LPDDR2_DNVI (0x1 << 2)
> +#define LPDDR2_RZQI (0x3 << 3)
> +
> +/*
> + * 00:RZQ self test not supported,
> + * 01:ZQ-pin may connect to VDDCA or float
> + * 10:ZQ-pin may short to GND.
> + * 11:ZQ-pin self test completed, no error condition detected.
> + */
> +
> +/* MR1 (Device Feature) */
> +#define LPDDR2_BL4 (0x2)
> +#define LPDDR2_BL8 (0x3)
> +#define LPDDR2_BL16 (0x4)
> +#define LPDDR2_N_WR(n) (((n) - 2) << 5)
> +
> +/* MR2 (Device Feature 2) */
> +#define LPDDR2_RL3_WL1 (0x1)
> +#define LPDDR2_RL4_WL2 (0x2)
> +#define LPDDR2_RL5_WL2 (0x3)
> +#define LPDDR2_RL6_WL3 (0x4)
> +#define LPDDR2_RL7_WL4 (0x5)
> +#define LPDDR2_RL8_WL4 (0x6)
> +
> +/* MR3 (IO Configuration 1) */
> +#define LPDDR2_DS_34 (0x1)
> +#define LPDDR2_DS_40 (0x2)
> +#define LPDDR2_DS_48 (0x3)
> +#define LPDDR2_DS_60 (0x4)
> +#define LPDDR2_DS_80 (0x6)
> +/* optional */
> +#define LPDDR2_DS_120 (0x7)
> +
> +/* MR4 (Device Temperature) */
> +#define LPDDR2_TREF_MASK (0x7)
> +#define LPDDR2_4_TREF (0x1)
> +#define LPDDR2_2_TREF (0x2)
> +#define LPDDR2_1_TREF (0x3)
> +#define LPDDR2_025_TREF (0x5)
> +#define LPDDR2_025_TREF_DERATE (0x6)
> +
> +#define LPDDR2_TUF (0x1 << 7)
> +
> +/* MR8 (Basic configuration 4) */
> +#define LPDDR2_S4 (0x0)
> +#define LPDDR2_S2 (0x1)
> +#define LPDDR2_N (0x2)
> +/* Unit:MB */
> +#define LPDDR2_DENSITY(mr8) (8 << (((mr8) >> 2) & 0xf))
> +#define LPDDR2_IO_WIDTH(mr8) (32 >> (((mr8) >> 6) & 0x3))
> +
> +/* MR10 (Calibration) */
> +#define LPDDR2_ZQINIT (0xff)
> +#define LPDDR2_ZQCL (0xab)
> +#define LPDDR2_ZQCS (0x56)
> +#define LPDDR2_ZQRESET (0xc3)
> +
> +/* MR16 (PASR Bank Mask), S2 SDRAM Only */
> +#define LPDDR2_PASR_FULL (0x0)
> +#define LPDDR2_PASR_1_2 (0x1)
> +#define LPDDR2_PASR_1_4 (0x2)
> +#define LPDDR2_PASR_1_8 (0x3)
> +
> +/*
> + * MR0 (Device Information)
> + * 0:DAI complete,
> + * 1:DAI still in progress
> + */
> +#define LPDDR3_DAI (0x1)
> +/*
> + * 00:RZQ self test not supported,
> + * 01:ZQ-pin may connect to VDDCA or float
> + * 10:ZQ-pin may short to GND.
> + * 11:ZQ-pin self test completed, no error condition detected.
> + */
> +#define LPDDR3_RZQI (0x3 << 3)
> +/*
> + * 0:DRAM does not support WL(Set B),
> + * 1:DRAM support WL(Set B)
> + */
> +#define LPDDR3_WL_SUPOT BIT(6)
> +/*
> + * 0:DRAM does not support RL=3,nWR=3,WL=1;
> + * 1:DRAM supports RL=3,nWR=3,WL=1 for frequencies <=166
> + */
> +#define LPDDR3_RL3_SUPOT BIT(7)
> +
> +/* MR1 (Device Feature) */
> +#define LPDDR3_BL8 (0x3)
> +#define LPDDR3_N_WR(n) ((n) << 5)
> +
> +/* MR2 (Device Feature 2), WL Set A,default */
> +/* <=166MHz,optional*/
> +#define LPDDR3_RL3_WL1 (0x1)
> +/* <=400MHz*/
> +#define LPDDR3_RL6_WL3 (0x4)
> +/* <=533MHz*/
> +#define LPDDR3_RL8_WL4 (0x6)
> +/* <=600MHz*/
> +#define LPDDR3_RL9_WL5 (0x7)
> +/* <=667MHz,default*/
> +#define LPDDR3_RL10_WL6 (0x8)
> +/* <=733MHz*/
> +#define LPDDR3_RL11_WL6 (0x9)
> +/* <=800MHz*/
> +#define LPDDR3_RL12_WL6 (0xa)
> +/* <=933MHz*/
> +#define LPDDR3_RL14_WL8 (0xc)
> +/* <=1066MHz*/
> +#define LPDDR3_RL16_WL8 (0xe)
> +
> +/* WL Set B, optional */
> +/* <=667MHz,default*/
> +#define LPDDR3_RL10_WL8 (0x8)
> +/* <=733MHz*/
> +#define LPDDR3_RL11_WL9 (0x9)
> +/* <=800MHz*/
> +#define LPDDR3_RL12_WL9 (0xa)
> +/* <=933MHz*/
> +#define LPDDR3_RL14_WL11 (0xc)
> +/* <=1066MHz*/
> +#define LPDDR3_RL16_WL13 (0xe)
> +
> +/* 1:enable nWR programming > 9(default)*/
> +#define LPDDR3_N_WRE BIT(4)
> +/* 1:Select WL Set B*/
> +#define LPDDR3_WL_S BIT(6)
> +/* 1:enable*/
> +#define LPDDR3_WR_LEVEL BIT(7)
> +
> +/* MR3 (IO Configuration 1) */
> +#define LPDDR3_DS_34 (0x1)
> +#define LPDDR3_DS_40 (0x2)
> +#define LPDDR3_DS_48 (0x3)
> +#define LPDDR3_DS_60 (0x4)
> +#define LPDDR3_DS_80 (0x6)
> +#define LPDDR3_DS_34D_40U (0x9)
> +#define LPDDR3_DS_40D_48U (0xa)
> +#define LPDDR3_DS_34D_48U (0xb)
> +
> +/* MR4 (Device Temperature) */
> +#define LPDDR3_TREF_MASK (0x7)
> +/* SDRAM Low temperature operating limit exceeded */
> +#define LPDDR3_LT_EXED (0x0)
> +#define LPDDR3_4_TREF (0x1)
> +#define LPDDR3_2_TREF (0x2)
> +#define LPDDR3_1_TREF (0x3)
> +#define LPDDR3_05_TREF (0x4)
> +#define LPDDR3_025_TREF (0x5)
> +#define LPDDR3_025_TREF_DERATE (0x6)
> +/* SDRAM High temperature operating limit exceeded */
> +#define LPDDR3_HT_EXED (0x7)
> +
> +/* 1:value has changed since last read of MR4 */
> +#define LPDDR3_TUF (0x1 << 7)
> +
> +/* MR8 (Basic configuration 4) */
> +#define LPDDR3_S8 (0x3)
> +#define LPDDR3_DENSITY(mr8) (8 << (((mr8) >> 2) & 0xf))
> +#define LPDDR3_IO_WIDTH(mr8) (32 >> (((mr8) >> 6) & 0x3))
> +
> +/* MR10 (Calibration) */
> +#define LPDDR3_ZQINIT (0xff)
> +#define LPDDR3_ZQCL (0xab)
> +#define LPDDR3_ZQCS (0x56)
> +#define LPDDR3_ZQRESET (0xc3)
> +
> +/* MR11 (ODT Control) */
> +#define LPDDR3_ODT_60 (1)
> +#define LPDDR3_ODT_120 (2)
> +#define LPDDR3_ODT_240 (3)
> +#define LPDDR3_ODT_DIS (0)
> +
> +/* MR2 (Device Feature 2) */
> +/* RL & nRTP for DBI-RD Disabled */
> +#define LPDDR4_RL6_NRTP8 (0x0)
> +#define LPDDR4_RL10_NRTP8 (0x1)
> +#define LPDDR4_RL14_NRTP8 (0x2)
> +#define LPDDR4_RL20_NRTP8 (0x3)
> +#define LPDDR4_RL24_NRTP10 (0x4)
> +#define LPDDR4_RL28_NRTP12 (0x5)
> +#define LPDDR4_RL32_NRTP14 (0x6)
> +#define LPDDR4_RL36_NRTP16 (0x7)
> +/* RL & nRTP for DBI-RD Disabled */
> +#define LPDDR4_RL12_NRTP8 (0x1)
> +#define LPDDR4_RL16_NRTP8 (0x2)
> +#define LPDDR4_RL22_NRTP8 (0x3)
> +#define LPDDR4_RL28_NRTP10 (0x4)
> +#define LPDDR4_RL32_NRTP12 (0x5)
> +#define LPDDR4_RL36_NRTP14 (0x6)
> +#define LPDDR4_RL40_NRTP16 (0x7)
> +/* WL Set A,default */
> +#define LPDDR4_A_WL4 (0x0 << 3)
> +#define LPDDR4_A_WL6 (0x1 << 3)
> +#define LPDDR4_A_WL8 (0x2 << 3)
> +#define LPDDR4_A_WL10 (0x3 << 3)
> +#define LPDDR4_A_WL12 (0x4 << 3)
> +#define LPDDR4_A_WL14 (0x5 << 3)
> +#define LPDDR4_A_WL16 (0x6 << 3)
> +#define LPDDR4_A_WL18 (0x7 << 3)
> +/* WL Set B, optional */
> +#define LPDDR4_B_WL4 (0x0 << 3)
> +#define LPDDR4_B_WL8 (0x1 << 3)
> +#define LPDDR4_B_WL12 (0x2 << 3)
> +#define LPDDR4_B_WL18 (0x3 << 3)
> +#define LPDDR4_B_WL22 (0x4 << 3)
> +#define LPDDR4_B_WL26 (0x5 << 3)
> +#define LPDDR4_B_WL30 (0x6 << 3)
> +#define LPDDR4_B_WL34 (0x7 << 3)
> +/* 1:Select WL Set B*/
> +#define LPDDR4_WL_B BIT(6)
> +/* 1:enable*/
> +#define LPDDR4_WR_LEVEL BIT(7)
> +
> +/* MR3 */
> +#define LPDDR4_VDDQ_2_5 (0)
> +#define LPDDR4_VDDQ_3 (1)
> +#define LPDDR4_PU_CAL_MASK (1)
> +#define LPDDR4_WRPST_0_5_TCK (0 << 1)
> +#define LPDDR4_WRPST_1_5_TCK (1 << 1)
> +#define LPDDR4_PPR_EN (1 << 2)
> +/* PDDS */
> +#define LPDDR4_PDDS_MASK (0x7 << 3)
> +#define LPDDR4_PDDS_SHIFT (3)
> +#define LPDDR4_PDDS_240 (0x1 << 3)
> +#define LPDDR4_PDDS_120 (0x2 << 3)
> +#define LPDDR4_PDDS_80 (0x3 << 3)
> +#define LPDDR4_PDDS_60 (0x4 << 3)
> +#define LPDDR4_PDDS_48 (0x5 << 3)
> +#define LPDDR4_PDDS_40 (0x6 << 3)
> +#define LPDDR4_DBI_RD_EN BIT(6)
> +#define LPDDR4_DBI_WR_EN BIT(7)
> +
> +/* MR11 (ODT Control) */
> +#define LPDDR4_DQODT_MASK (0x7)
> +#define LPDDR4_DQODT_SHIFT (0x0)
> +#define LPDDR4_DQODT_240 (1)
> +#define LPDDR4_DQODT_120 (2)
> +#define LPDDR4_DQODT_80 (3)
> +#define LPDDR4_DQODT_60 (4)
> +#define LPDDR4_DQODT_48 (5)
> +#define LPDDR4_DQODT_40 (6)
> +#define LPDDR4_DQODT_DIS (0)
> +#define LPDDR4_CAODT_MASK (0x7 << 4)
> +#define LPDDR4_CAODT_SHIFT (4)
> +#define LPDDR4_CAODT_240 (1 << 4)
> +#define LPDDR4_CAODT_120 (2 << 4)
> +#define LPDDR4_CAODT_80 (3 << 4)
> +#define LPDDR4_CAODT_60 (4 << 4)
> +#define LPDDR4_CAODT_48 (5 << 4)
> +#define LPDDR4_CAODT_40 (6 << 4)
> +#define LPDDR4_CAODT_DIS (0 << 4)
> +
> +/* MR22 */
> +#define LPDDR4_ODTE_CK_SHIFT (3)
> +#define LPDDR4_ODTE_CS_SHIFT (4)
> +#define LPDDR4_ODTD_CA_SHIFT (5)
> +#define LPDDR4_SOC_ODT_MASK (0x7)
> +#define LPDDR4_SOC_ODT_SHIFT (0)
> +#define LPDDR4_SOC_ODT_240 (1)
> +#define LPDDR4_SOC_ODT_120 (2)
> +#define LPDDR4_SOC_ODT_80 (3)
> +#define LPDDR4_SOC_ODT_60 (4)
> +#define LPDDR4_SOC_ODT_48 (5)
> +#define LPDDR4_SOC_ODT_40 (6)
> +#define LPDDR4_SOC_ODT_DIS (0)
> +
> +/* LPDDR4x */
> +/* MR3 */
> +#define LPDDR4X_VDDQ_0_6 (0)
> +#define LPDDR4X_VDDQ_0_5 (1)
> +
> +/* mr0 for ddr4 */
> +#define DDR4_BL8 (0)
> +#define DDR4_BC4_8 (1)
> +#define DDR4_BC4 (2)
> +#define DDR4_WR_RTP(n) ((n) << 9)
> +#define DDR4_CL(n) ((((n) & 0xe) << 3) | ((n) & 1) << 2)
> +#define DDR4_DLL_RESET(n) ((n) << 8)
> +#define DDR4_DLL_ON BIT(0)
> +#define DDR4_DLL_OFF (0 << 0)
> +
> +/* mr1 for ddr4 */
> +#define DDR4_AL ((n) << 3)
> +#define DDR4_DS_34 (0)
> +#define DDR4_DS_48 BIT(1)
> +#define DDR4_DS_MASK (0x3 << 1)
> +#define DDR4_RTT_NOM_MASK (0x7 << 8)
> +#define DDR4_RTT_NOM_DIS (0)
> +#define DDR4_RTT_NOM_60 BIT(8)
> +#define DDR4_RTT_NOM_120 (2 << 8)
> +#define DDR4_RTT_NOM_40 (0x3 << 8)
> +#define DDR4_RTT_NOM_240 (0x4 << 8)
> +#define DDR4_RTT_NOM_48 (0x5 << 8)
> +#define DDR4_RTT_NOM_80 (0x6 << 8)
> +#define DDR4_RTT_NOM_34 (0x7 << 8)
> +
> +/* mr2 for ddr4 */
> +#define DDR4_MR2_CWL(n) ((n) << 3)
> +#define DDR4_RTT_WR_DIS (0)
> +#define DDR4_RTT_WR_120 BIT(9)
> +#define DDR4_RTT_WR_240 (2 << 9)
> +
> +/* mr4 for ddr4 */
> +#define DDR4_READ_PREAMBLE(n) ((n) << 11)
> +#define DDR4_WRITE_PREAMBLE(n) ((n) << 12)
> +#define DDR4_READ_PREAMBLE_TRAIN(n) ((n) << 10)
> +
> +/* mr5 for ddr4 */
> +#define DDR4_RD_DBI(n) ((n) << 12)
> +#define DDR4_WR_DBI(n) ((n) << 11)
> +#define DDR4_DM(n) ((n) << 10)
> +#define DDR4_RTT_PARK_DIS (0 << 6)
> +#define DDR4_RTT_PARK_60 (1 << 6)
> +#define DDR4_RTT_PARK_120 (2 << 6)
> +#define DDR4_RTT_PARK_40 (3 << 6)
> +#define DDR4_RTT_PARK_240 (4 << 6)
> +#define DDR4_RTT_PARK_48 (5 << 6)
> +#define DDR4_RTT_PARK_80 (6 << 6)
> +#define DDR4_RTT_PARK_34 (7 << 6)
> +#define DIS_ODT_PD (1 << 5)
> +#define EN_ODT_PD (0 << 5)
> +
> +/* mr6 for ddr4 */
> +#define DDR4_TCCD_L(n) (((n) - 4) << 10)
> +
> +#define PS_2_CLK(freq, ps) (((uint64_t)(ps) / 100 * (uint64_t)(freq) +\
> + 9999) / 10000)
> +
> +#endif /* __ROCKCHIP_DRAM_SPEC_TIMING_H__ */
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
> index dd316f771a..8eb221276a 100644
> --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
> @@ -15,6 +15,210 @@
> #define MIN(a, b) (((a) > (b)) ? (b) : (a))
> #define MAX(a, b) (((a) > (b)) ? (a) : (b))
>
> +/* get head info for initial */
> +#define DDR_FREQ_F0_SHIFT (0)
> +#define DDR_FREQ_F1_SHIFT (12)
> +#define DDR_FREQ_F2_SHIFT (0)
> +#define DDR_FREQ_F3_SHIFT (12)
> +#define DDR_FREQ_F4_SHIFT (0)
> +#define DDR_FREQ_F5_SHIFT (12)
> +#define DDR_FREQ_MASK (0xfff)
> +
> +#define UART_INFO_ID_SHIFT (28)
> +#define UART_INFO_IOMUX_SHIFT (24)
> +#define UART_INFO_BAUD_SHIFT (0)
> +#define UART_INFO_ID(n) (((n) >> 28) & 0xf)
> +#define UART_INFO_IOMUX(n) (((n) >> 24) & 0xf)
> +#define UART_INFO_BAUD(n) ((n) & 0xffffff)
> +
> +/* g_ch_info[15:0]: g_stdby_idle */
> +#define STANDBY_IDLE(n) ((n) & 0xffff)
> +
> +#define SR_INFO(n) (((n) >> 16) & 0xffff)
> +#define PD_INFO(n) ((n) & 0xffff)
> +
> +#define FIRST_SCAN_CH(n) (((n) >> 28) & 0xf)
> +#define CHANNEL_MASK(n) (((n) >> 24) & 0xf)
> +#define STRIDE_TYPE(n) (((n) >> 16) & 0xff)
> +
> +#define DDR_2T_INFO(n) ((n) & 1)
> +#define PLL_SSMOD_SPREAD(n) (((n) >> 1) & 0xff)
> +#define PLL_SSMOD_DIV(n) (((n) >> 9) & 0xff)
> +#define PLL_SSMOD_DOWNSPREAD(n) (((n) >> 17) & 0x3)
> +
> +/* sdram_head_info_v2 define */
> +/* for *_drv_odten and *_drv_odtoff */
> +#define PHY_DQ_DRV_SHIFT 0
> +#define PHY_CA_DRV_SHIFT 8
> +#define PHY_CLK_DRV_SHIFT 16
> +#define DRAM_DQ_DRV_SHIFT 24
> +#define DRV_INFO_PHY_DQ_DRV(n) ((n) & 0xff)
> +#define DRV_INFO_PHY_CA_DRV(n) (((n) >> PHY_CA_DRV_SHIFT) & 0xff)
> +#define DRV_INFO_PHY_CLK_DRV(n) (((n) >> PHY_CLK_DRV_SHIFT) & 0xff)
> +#define DRV_INFO_DRAM_DQ_DRV(n) (((n) >> DRAM_DQ_DRV_SHIFT) & 0xff)
> +
> +/* for *_odt_info */
> +#define DRAM_ODT_SHIFT 0
> +#define PHY_ODT_SHIFT 8
> +#define PHY_ODT_PUUP_EN_SHIFT 18
> +#define PHY_ODT_PUDN_EN_SHIFT 19
> +#define ODT_INFO_DRAM_ODT(n) (((n) >> DRAM_ODT_SHIFT) & 0xff)
> +#define ODT_INFO_PHY_ODT(n) (((n) >> PHY_ODT_SHIFT) & 0x3ff)
> +#define ODT_INFO_PULLUP_EN(n) (((n) >> PHY_ODT_PUUP_EN_SHIFT) & 1)
> +#define ODT_INFO_PULLDOWN_EN(n) (((n) >> PHY_ODT_PUDN_EN_SHIFT) & 1)
> +
> +/* for *odt_en_freq; */
> +#define DRAM_ODT_EN_FREQ_SHIFT 0
> +#define PHY_ODT_EN_FREQ_SHIFT 12
> +#define DRAMODT_EN_FREQ(n) (((n) >> DRAM_ODT_EN_FREQ_SHIFT) & \
> + 0xfff)
> +#define PHYODT_EN_FREQ(n) (((n) >> PHY_ODT_EN_FREQ_SHIFT) & 0xfff)
> +
> +#define PHY_DQ_SR_SHIFT 0
> +#define PHY_CA_SR_SHIFT 8
> +#define PHY_CLK_SR_SHIFT 16
> +#define DQ_SR_INFO(n) (((n) >> PHY_DQ_SR_SHIFT) & 0xff)
> +#define CA_SR_INFO(n) (((n) >> PHY_CA_SR_SHIFT) & 0xff)
> +#define CLK_SR_INFO(n) (((n) >> PHY_CLK_SR_SHIFT) & 0xff)
> +
> +/* LP4 */
> +#define LP4_CA_ODT_SHIFT (18)
> +#define LP4_DRV_PU_CAL_ODTEN_SHIFT (26)
> +#define LP4_DRV_PU_CAL_ODTOFF_SHIFT (27)
> +#define PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT (28)
> +#define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT (29)
> +#define ODT_INFO_LP4_CA_ODT(n) (((n) >> LP4_CA_ODT_SHIFT) & \
> + 0xff)
> +#define LP4_DRV_PU_CAL_ODTEN(n) \
> + (((n) >> LP4_DRV_PU_CAL_ODTEN_SHIFT) & 1)
> +#define LP4_DRV_PU_CAL_ODTOFF(n) \
> + (((n) >> LP4_DRV_PU_CAL_ODTOFF_SHIFT) & 1)
> +#define PHY_LP4_DRV_PULLDOWN_EN_ODTEN(n) \
> + (((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT) & 1)
> +#define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(n) \
> + (((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT) & 1)
> +
> +#define PHY_LP4_CS_DRV_ODTEN_SHIFT (0)
> +#define PHY_LP4_CS_DRV_ODTOFF_SHIFT (8)
> +#define LP4_ODTE_CK_SHIFT (16)
> +#define LP4_ODTE_CS_EN_SHIFT (17)
> +#define LP4_ODTD_CA_EN_SHIFT (18)
> +#define PHY_LP4_CS_DRV_ODTEN(n) \
> + (((n) >> PHY_LP4_CS_DRV_ODTEN_SHIFT) & 0xff)
> +#define PHY_LP4_CS_DRV_ODTOFF(n) \
> + (((n) >> PHY_LP4_CS_DRV_ODTOFF_SHIFT) & 0xff)
> +#define LP4_ODTE_CK_EN(n) (((n) >> LP4_ODTE_CK_SHIFT) & 1)
> +#define LP4_ODTE_CS_EN(n) (((n) >> LP4_ODTE_CS_EN_SHIFT) & 1)
> +#define LP4_ODTD_CA_EN(n) (((n) >> LP4_ODTD_CA_EN_SHIFT) & 1)
> +
> +#define PHY_LP4_DQ_VREF_SHIFT (0)
> +#define LP4_DQ_VREF_SHIFT (10)
> +#define LP4_CA_VREF_SHIFT (20)
> +
> +#define PHY_LP4_DQ_VREF(n) \
> + (((n) >> PHY_LP4_DQ_VREF_SHIFT) & 0x3ff)
> +#define LP4_DQ_VREF(n) (((n) >> LP4_DQ_VREF_SHIFT) & 0x3ff)
> +#define LP4_CA_VREF(n) (((n) >> LP4_CA_VREF_SHIFT) & 0x3ff)
> +
> +#define LP4_DQ_ODT_EN_FREQ_SHIFT (0)
> +#define PHY_LP4_ODT_EN_FREQ_SHIFT (12)
> +#define LP4_CA_ODT_EN_FREQ_SHIFT (0)
> +#define PHY_LP4_ODT_EN_FREQ(n) \
> + (((n) >> PHY_LP4_ODT_EN_FREQ_SHIFT) & 0xfff)
> +#define LP4_DQ_ODT_EN_FREQ(n) \
> + (((n) >> LP4_DQ_ODT_EN_FREQ_SHIFT) & 0xfff)
> +#define LP4_CA_ODT_EN_FREQ(n) \
> + (((n) >> LP4_CA_ODT_EN_FREQ_SHIFT) & 0xfff)
> +
> +struct sdram_head_info_v0 {
> + u32 start_tag;
> + u32 version_info;
> + u32 gcpu_gen_freq;
> + u32 g_d2_lp2_freq;
> + u32 g_d3_lp3_freq;
> + u32 g_d4_lp4_freq;
> + u32 g_uart_info;
> + u32 g_sr_pd_idle;
> + u32 g_ch_info;
> + u32 g_2t_info;
> + u32 reserved11;
> + u32 reserved12;
> + u32 reserved13;
> +};
> +
> +struct index_info {
> + u8 offset;
> + u8 size;
> +};
> +
> +struct sdram_head_info_index_v2 {
> + u32 start_tag;
> + u32 version_info;
> + struct index_info cpu_gen_index;
> + struct index_info global_index;
> +
> + struct index_info ddr2_index;
> + struct index_info ddr3_index;
> +
> + struct index_info ddr4_index;
> + struct index_info ddr5_index;
> +
> + struct index_info lp2_index;
> + struct index_info lp3_index;
> +
> + struct index_info lp4_index;
> + struct index_info lp5_index;
> +
> + struct index_info skew_index;
> + struct index_info dq_map_index;
> +
> + struct index_info lp4x_index;
> + struct index_info reserved;
> +};
> +
> +struct global_info {
> + u32 uart_info;
> + u32 sr_pd_info;
> + u32 ch_info;
> + u32 info_2t;
> + u32 reserved[4];
> +};
> +
> +struct ddr2_3_4_lp2_3_info {
> + u32 ddr_freq0_1;
> + u32 ddr_freq2_3;
> + u32 ddr_freq4_5;
> + u32 drv_when_odten;
> + u32 drv_when_odtoff;
> + u32 odt_info;
> + u32 odten_freq;
> + u32 sr_when_odten;
> + u32 sr_when_odtoff;
> +};
> +
> +struct lp4_info {
> + u32 ddr_freq0_1;
> + u32 ddr_freq2_3;
> + u32 ddr_freq4_5;
> + u32 drv_when_odten;
> + u32 drv_when_odtoff;
> + u32 odt_info;
> + u32 dq_odten_freq;
> + u32 sr_when_odten;
> + u32 sr_when_odtoff;
> + u32 ca_odten_freq;
> + u32 cs_drv_ca_odt_info;
> + u32 vref_when_odten;
> + u32 vref_when_odtoff;
> +};
> +
> +struct dq_map_info {
> + u32 byte_map[2];
> + u32 lp3_dq0_7_map;
> + u32 lp2_dq0_7_map;
> + u32 ddr4_dq_map[4];
> +};
> +
> struct sdram_cap_info {
> unsigned int rank;
> /* dram column number, 0 means this channel is invalid */
> @@ -46,6 +250,14 @@ struct sdram_base_params {
> };
>
> #define DDR_SYS_REG_VERSION (0x2)
> +/* for modify tRFC and related timing */
> +#define DIE_CAP_512MBIT 64
> +#define DIE_CAP_1GBIT 128
> +#define DIE_CAP_2GBIT 256
> +#define DIE_CAP_4GBIT 512
> +#define DIE_CAP_8GBIT 1024
> +#define DIE_CAP_16GBIT 2048
> +#define DIE_CAP_32GBIT 4096
> /*
> * sys_reg2 bitfield struct
> * [31] row_3_4_ch1
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_msch.h b/arch/arm/include/asm/arch-rockchip/sdram_msch.h
> index cfb3d9cc86..d1926f4bf2 100644
> --- a/arch/arm/include/asm/arch-rockchip/sdram_msch.h
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_msch.h
> @@ -57,6 +57,18 @@ union noc_devtodev0 {
> } b;
> };
>
> +union noc_devtodev_rv1126 {
> + u32 d32;
> + struct {
> + unsigned busrdtord : 3;
> + unsigned reserved0 : 1;
> + unsigned busrdtowr : 4;
> + unsigned buswrtord : 4;
> + unsigned buswrtowr : 3;
> + unsigned reserved2 : 17;
> + } b;
> +};
> +
> union noc_ddrmode {
> u32 d32;
> struct {
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h b/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h
> new file mode 100644
> index 0000000000..5b64ec3352
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h
> @@ -0,0 +1,93 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2020 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef _ASM_ARCH_SDRAM_RK1126_PHY_H
> +#define _ASM_ARCH_SDRAM_RK1126_PHY_H
> +
> +/* PHY_REG0 */
> +#define DIGITAL_DERESET BIT(3)
> +#define ANALOG_DERESET BIT(2)
> +#define DIGITAL_RESET (0 << 3)
> +#define ANALOG_RESET (0 << 2)
> +
> +/* PHY_REG1 */
> +#define PHY_DDR2 (0)
> +#define PHY_LPDDR2 (1)
> +#define PHY_DDR3 (2)
> +#define PHY_LPDDR3 (3)
> +#define PHY_DDR4 (4)
> +#define PHY_DDR5 (5)
> +#define PHY_BL_4 (0 << 3)
> +#define PHY_BL_8_OR_16 BIT(3)
> +
> +/* PHY_REG2 */
> +#define PHY_DTT_EN BIT(0)
> +#define PHY_DTT_DISB (0 << 0)
> +#define PHY_WRITE_LEVELING_EN BIT(2)
> +#define PHY_WRITE_LEVELING_DISB (0 << 2)
> +#define PHY_SELECT_CS0 (2)
> +#define PHY_SELECT_CS1 (1)
> +#define PHY_SELECT_CS0_1 (0)
> +#define PHY_WRITE_LEVELING_SELECTCS(n) ((n) << 6)
> +#define PHY_DATA_TRAINING_SELECTCS(n) ((n) << 4)
> +
> +/* PHY_REGf */
> +#define PHY_DQ_WIDTH_MASK (0xf)
> +
> +/* PHY_REG51 */
> +#define PHY_PBDIV_BIT9_MASK BIT(0)
> +#define PHY_PBDIV_BIT9_SHIFT (0)
> +#define PHY_POSTDIV_EN_MASK BIT(7)
> +#define PHY_POSTDIV_EN_SHIFT (7)
> +
> +/* PHY_REG52 */
> +#define PHY_PREDIV_MASK (0x1F)
> +#define PHY_PREDIV_SHIFT (0)
> +
> +/* PHY_REG53*/
> +#define PHY_POSTDIV_MASK (0x7)
> +#define PHY_POSTDIV_SHIFT (5)
> +#define PHY_PD_DISB BIT(3)
> +
> +/* PHY_REG90 */
> +#define PHY_PLL_LOCK BIT(2)
> +
> +struct ca_skew {
> + u32 a0_a3_a3_cke1_a_de_skew;
> + u32 a1_ba1_null_cke0_b_de_skew;
> + u32 a2_a9_a9_a4_a_de_skew;
> + u32 a3_a15_null_a5_b_de_skew;
> + u32 a4_a6_a6_ck_a_de_skew;
> + u32 a5_a12_null_odt0_b_de_skew;
> + u32 a6_ba2_null_a0_a_de_skew;
> + u32 a7_a4_a4_odt0_a_de_skew;
> + u32 a8_a1_a1_cke0_a_de_skew;
> + u32 a9_a5_a5_a5_a_de_skew;
> + u32 a10_a8_a8_clkb_a_de_skew;
> + u32 a11_a7_a7_ca2_a_de_skew;
> + u32 a12_rasn_null_ca1_a_de_skew;
> + u32 a13_a13_null_ca3_a_de_skew;
> + u32 a14_a14_null_csb1_b_de_skew;
> + u32 a15_a10_null_ca0_b_de_skew;
> + u32 a16_a11_null_csb0_b_de_skew;
> + u32 a17_null_null_null_de_skew;
> + u32 ba0_csb1_csb1_csb0_a_de_skew;
> + u32 ba1_wen_null_cke1_b_de_skew;
> + u32 bg0_odt1_odt1_csb1_a_de_skew;
> + u32 bg1_a2_a2_odt1_a_de_skew;
> + u32 cke0_casb_null_ca1_b_de_skew;
> + u32 ck_ck_ck_ck_b_de_skew;
> + u32 ckb_ckb_ckb_ckb_b_de_skew;
> + u32 csb0_odt0_odt0_ca2_b_de_skew;
> + u32 odt0_csb0_csb0_ca4_b_de_skew;
> + u32 resetn_resetn_null_resetn_de_skew;
> + u32 actn_cke_cke_ca3_b_de_skew;
> + u32 null_null_null_null_de_skew;
> + u32 csb1_ba0_null_null_de_skew;
> + u32 odt1_a0_a0_odt1_b_de_skew;
> +};
> +
> +#define PHY_REG(base, n) ((base) + 4 * (n))
> +#endif /* _ASM_ARCH_SDRAM_RK1126_PHY_H */
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h b/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h
> new file mode 100644
> index 0000000000..6a07436059
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h
> @@ -0,0 +1,420 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2020 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef _ASM_ARCH_SDRAM_RK1126_H
> +#define _ASM_ARCH_SDRAM_RK1126_H
> +
> +#include <asm/arch-rockchip/dram_spec_timing.h>
> +#include <asm/arch-rockchip/sdram.h>
> +#include <asm/arch-rockchip/sdram_common.h>
> +#include <asm/arch-rockchip/sdram_msch.h>
> +#include <asm/arch-rockchip/sdram_pctl_px30.h>
> +#include <asm/arch-rockchip/sdram_phy_rv1126.h>
> +
> +#define AGINGX0_VAL (4)
> +#define AGING_CPU_VAL (0xff)
> +#define AGING_NPU_VAL (0xff)
> +#define AGING_OTHER_VAL (0x33)
> +
> +#define PATTERN (0x5aa5f00f)
> +
> +#define PHY_DDR3_RON_DISABLE (0)
> +#define PHY_DDR3_RON_455ohm (1)
> +#define PHY_DDR3_RON_230ohm (2)
> +#define PHY_DDR3_RON_153ohm (3)
> +#define PHY_DDR3_RON_115ohm (4)
> +#define PHY_DDR3_RON_91ohm (5)
> +#define PHY_DDR3_RON_76ohm (6)
> +#define PHY_DDR3_RON_65ohm (7)
> +#define PHY_DDR3_RON_57ohm (16)
> +#define PHY_DDR3_RON_51ohm (17)
> +#define PHY_DDR3_RON_46ohm (18)
> +#define PHY_DDR3_RON_41ohm (19)
> +#define PHY_DDR3_RON_38ohm (20)
> +#define PHY_DDR3_RON_35ohm (21)
> +#define PHY_DDR3_RON_32ohm (22)
> +#define PHY_DDR3_RON_30ohm (23)
> +#define PHY_DDR3_RON_28ohm (24)
> +#define PHY_DDR3_RON_27ohm (25)
> +#define PHY_DDR3_RON_25ohm (26)
> +#define PHY_DDR3_RON_24ohm (27)
> +#define PHY_DDR3_RON_23ohm (28)
> +#define PHY_DDR3_RON_22ohm (29)
> +#define PHY_DDR3_RON_21ohm (30)
> +#define PHY_DDR3_RON_20ohm (31)
> +
> +#define PHY_DDR3_RTT_DISABLE (0)
> +#define PHY_DDR3_RTT_561ohm (1)
> +#define PHY_DDR3_RTT_282ohm (2)
> +#define PHY_DDR3_RTT_188ohm (3)
> +#define PHY_DDR3_RTT_141ohm (4)
> +#define PHY_DDR3_RTT_113ohm (5)
> +#define PHY_DDR3_RTT_94ohm (6)
> +#define PHY_DDR3_RTT_81ohm (7)
> +#define PHY_DDR3_RTT_72ohm (16)
> +#define PHY_DDR3_RTT_64ohm (17)
> +#define PHY_DDR3_RTT_58ohm (18)
> +#define PHY_DDR3_RTT_52ohm (19)
> +#define PHY_DDR3_RTT_48ohm (20)
> +#define PHY_DDR3_RTT_44ohm (21)
> +#define PHY_DDR3_RTT_41ohm (22)
> +#define PHY_DDR3_RTT_38ohm (23)
> +#define PHY_DDR3_RTT_37ohm (24)
> +#define PHY_DDR3_RTT_34ohm (25)
> +#define PHY_DDR3_RTT_32ohm (26)
> +#define PHY_DDR3_RTT_31ohm (27)
> +#define PHY_DDR3_RTT_29ohm (28)
> +#define PHY_DDR3_RTT_28ohm (29)
> +#define PHY_DDR3_RTT_27ohm (30)
> +#define PHY_DDR3_RTT_25ohm (31)
> +
> +#define PHY_DDR4_LPDDR3_RON_DISABLE (0)
> +#define PHY_DDR4_LPDDR3_RON_482ohm (1)
> +#define PHY_DDR4_LPDDR3_RON_244ohm (2)
> +#define PHY_DDR4_LPDDR3_RON_162ohm (3)
> +#define PHY_DDR4_LPDDR3_RON_122ohm (4)
> +#define PHY_DDR4_LPDDR3_RON_97ohm (5)
> +#define PHY_DDR4_LPDDR3_RON_81ohm (6)
> +#define PHY_DDR4_LPDDR3_RON_69ohm (7)
> +#define PHY_DDR4_LPDDR3_RON_61ohm (16)
> +#define PHY_DDR4_LPDDR3_RON_54ohm (17)
> +#define PHY_DDR4_LPDDR3_RON_48ohm (18)
> +#define PHY_DDR4_LPDDR3_RON_44ohm (19)
> +#define PHY_DDR4_LPDDR3_RON_40ohm (20)
> +#define PHY_DDR4_LPDDR3_RON_37ohm (21)
> +#define PHY_DDR4_LPDDR3_RON_34ohm (22)
> +#define PHY_DDR4_LPDDR3_RON_32ohm (23)
> +#define PHY_DDR4_LPDDR3_RON_30ohm (24)
> +#define PHY_DDR4_LPDDR3_RON_28ohm (25)
> +#define PHY_DDR4_LPDDR3_RON_27ohm (26)
> +#define PHY_DDR4_LPDDR3_RON_25ohm (27)
> +#define PHY_DDR4_LPDDR3_RON_24ohm (28)
> +#define PHY_DDR4_LPDDR3_RON_23ohm (29)
> +#define PHY_DDR4_LPDDR3_RON_22ohm (30)
> +#define PHY_DDR4_LPDDR3_RON_21ohm (31)
> +
> +#define PHY_DDR4_LPDDR3_RTT_DISABLE (0)
> +#define PHY_DDR4_LPDDR3_RTT_586ohm (1)
> +#define PHY_DDR4_LPDDR3_RTT_294ohm (2)
> +#define PHY_DDR4_LPDDR3_RTT_196ohm (3)
> +#define PHY_DDR4_LPDDR3_RTT_148ohm (4)
> +#define PHY_DDR4_LPDDR3_RTT_118ohm (5)
> +#define PHY_DDR4_LPDDR3_RTT_99ohm (6)
> +#define PHY_DDR4_LPDDR3_RTT_85ohm (7)
> +#define PHY_DDR4_LPDDR3_RTT_76ohm (16)
> +#define PHY_DDR4_LPDDR3_RTT_67ohm (17)
> +#define PHY_DDR4_LPDDR3_RTT_60ohm (18)
> +#define PHY_DDR4_LPDDR3_RTT_55ohm (19)
> +#define PHY_DDR4_LPDDR3_RTT_50ohm (20)
> +#define PHY_DDR4_LPDDR3_RTT_46ohm (21)
> +#define PHY_DDR4_LPDDR3_RTT_43ohm (22)
> +#define PHY_DDR4_LPDDR3_RTT_40ohm (23)
> +#define PHY_DDR4_LPDDR3_RTT_38ohm (24)
> +#define PHY_DDR4_LPDDR3_RTT_36ohm (25)
> +#define PHY_DDR4_LPDDR3_RTT_34ohm (26)
> +#define PHY_DDR4_LPDDR3_RTT_32ohm (27)
> +#define PHY_DDR4_LPDDR3_RTT_31ohm (28)
> +#define PHY_DDR4_LPDDR3_RTT_29ohm (29)
> +#define PHY_DDR4_LPDDR3_RTT_28ohm (30)
> +#define PHY_DDR4_LPDDR3_RTT_27ohm (31)
> +
> +#define PHY_LPDDR4_RON_DISABLE (0)
> +#define PHY_LPDDR4_RON_501ohm (1)
> +#define PHY_LPDDR4_RON_253ohm (2)
> +#define PHY_LPDDR4_RON_168ohm (3)
> +#define PHY_LPDDR4_RON_126ohm (4)
> +#define PHY_LPDDR4_RON_101ohm (5)
> +#define PHY_LPDDR4_RON_84ohm (6)
> +#define PHY_LPDDR4_RON_72ohm (7)
> +#define PHY_LPDDR4_RON_63ohm (16)
> +#define PHY_LPDDR4_RON_56ohm (17)
> +#define PHY_LPDDR4_RON_50ohm (18)
> +#define PHY_LPDDR4_RON_46ohm (19)
> +#define PHY_LPDDR4_RON_42ohm (20)
> +#define PHY_LPDDR4_RON_38ohm (21)
> +#define PHY_LPDDR4_RON_36ohm (22)
> +#define PHY_LPDDR4_RON_33ohm (23)
> +#define PHY_LPDDR4_RON_31ohm (24)
> +#define PHY_LPDDR4_RON_29ohm (25)
> +#define PHY_LPDDR4_RON_28ohm (26)
> +#define PHY_LPDDR4_RON_26ohm (27)
> +#define PHY_LPDDR4_RON_25ohm (28)
> +#define PHY_LPDDR4_RON_24ohm (29)
> +#define PHY_LPDDR4_RON_23ohm (30)
> +#define PHY_LPDDR4_RON_22ohm (31)
> +
> +#define PHY_LPDDR4_RTT_DISABLE (0)
> +#define PHY_LPDDR4_RTT_604ohm (1)
> +#define PHY_LPDDR4_RTT_303ohm (2)
> +#define PHY_LPDDR4_RTT_202ohm (3)
> +#define PHY_LPDDR4_RTT_152ohm (4)
> +#define PHY_LPDDR4_RTT_122ohm (5)
> +#define PHY_LPDDR4_RTT_101ohm (6)
> +#define PHY_LPDDR4_RTT_87ohm (7)
> +#define PHY_LPDDR4_RTT_78ohm (16)
> +#define PHY_LPDDR4_RTT_69ohm (17)
> +#define PHY_LPDDR4_RTT_62ohm (18)
> +#define PHY_LPDDR4_RTT_56ohm (19)
> +#define PHY_LPDDR4_RTT_52ohm (20)
> +#define PHY_LPDDR4_RTT_48ohm (21)
> +#define PHY_LPDDR4_RTT_44ohm (22)
> +#define PHY_LPDDR4_RTT_41ohm (23)
> +#define PHY_LPDDR4_RTT_39ohm (24)
> +#define PHY_LPDDR4_RTT_37ohm (25)
> +#define PHY_LPDDR4_RTT_35ohm (26)
> +#define PHY_LPDDR4_RTT_33ohm (27)
> +#define PHY_LPDDR4_RTT_32ohm (28)
> +#define PHY_LPDDR4_RTT_30ohm (29)
> +#define PHY_LPDDR4_RTT_29ohm (30)
> +#define PHY_LPDDR4_RTT_27ohm (31)
> +
> +#define ADD_CMD_CA (0x150)
> +#define ADD_GROUP_CS0_A (0x170)
> +#define ADD_GROUP_CS0_B (0x1d0)
> +#define ADD_GROUP_CS1_A (0x1a0)
> +#define ADD_GROUP_CS1_B (0x200)
> +
> +/* PMUGRF */
> +#define PMUGRF_OS_REG0 (0x200)
> +#define PMUGRF_OS_REG(n) (PMUGRF_OS_REG0 + (n) * 4)
> +#define PMUGRF_CON_DDRPHY_BUFFEREN_MASK (0x3 << (12 + 16))
> +#define PMUGRF_CON_DDRPHY_BUFFEREN_EN (0x1 << 12)
> +#define PMUGRF_CON_DDRPHY_BUFFEREN_DIS (0x2 << 12)
> +
> +/* DDR GRF */
> +#define DDR_GRF_CON(n) (0 + (n) * 4)
> +#define DDR_GRF_STATUS_BASE (0X100)
> +#define DDR_GRF_STATUS(n) (DDR_GRF_STATUS_BASE + (n) * 4)
> +#define DDR_GRF_LP_CON (0x20)
> +
> +#define SPLIT_MODE_32_L16_VALID (0)
> +#define SPLIT_MODE_32_H16_VALID (1)
> +#define SPLIT_MODE_16_L8_VALID (2)
> +#define SPLIT_MODE_16_H8_VALID (3)
> +
> +#define DDR_GRF_SPLIT_CON (0x10)
> +#define SPLIT_MODE_MASK (0x3)
> +#define SPLIT_MODE_OFFSET (9)
> +#define SPLIT_BYPASS_MASK (1)
> +#define SPLIT_BYPASS_OFFSET (8)
> +#define SPLIT_SIZE_MASK (0xff)
> +#define SPLIT_SIZE_OFFSET (0)
> +
> +/* SGRF SOC_CON13 */
> +#define UPCTL2_ASRSTN_REQ(n) (((0x1 << 0) << 16) | ((n) << 0))
> +#define UPCTL2_PSRSTN_REQ(n) (((0x1 << 1) << 16) | ((n) << 1))
> +#define UPCTL2_SRSTN_REQ(n) (((0x1 << 2) << 16) | ((n) << 2))
> +
> +/* CRU define */
> +/* CRU_PLL_CON0 */
> +#define PB(n) ((0x1 << (15 + 16)) | ((n) << 15))
> +#define POSTDIV1(n) ((0x7 << (12 + 16)) | ((n) << 12))
> +#define FBDIV(n) ((0xFFF << 16) | (n))
> +
> +/* CRU_PLL_CON1 */
> +#define RSTMODE(n) ((0x1 << (15 + 16)) | ((n) << 15))
> +#define RST(n) ((0x1 << (14 + 16)) | ((n) << 14))
> +#define PD(n) ((0x1 << (13 + 16)) | ((n) << 13))
> +#define DSMPD(n) ((0x1 << (12 + 16)) | ((n) << 12))
> +#define LOCK(n) (((n) >> 10) & 0x1)
> +#define POSTDIV2(n) ((0x7 << (6 + 16)) | ((n) << 6))
> +#define REFDIV(n) ((0x3F << 16) | (n))
> +
> +/* CRU_PLL_CON3 */
> +#define SSMOD_SPREAD(n) ((0x1f << (8 + 16)) | ((n) << 8))
> +#define SSMOD_DIVVAL(n) ((0xf << (4 + 16)) | ((n) << 4))
> +#define SSMOD_DOWNSPREAD(n) ((0x1 << (3 + 16)) | ((n) << 3))
> +#define SSMOD_RESET(n) ((0x1 << (2 + 16)) | ((n) << 2))
> +#define SSMOD_DIS_SSCG(n) ((0x1 << (1 + 16)) | ((n) << 1))
> +#define SSMOD_BP(n) ((0x1 << (0 + 16)) | ((n) << 0))
> +
> +/* CRU_MODE */
> +#define CLOCK_FROM_XIN_OSC (0)
> +#define CLOCK_FROM_PLL (1)
> +#define CLOCK_FROM_RTC_32K (2)
> +#define DPLL_MODE(n) ((0x3 << (2 + 16)) | ((n) << 2))
> +
> +/* CRU_SOFTRESET_CON1 */
> +#define DDRPHY_PSRSTN_REQ(n) (((0x1 << 14) << 16) | ((n) << 14))
> +#define DDRPHY_SRSTN_REQ(n) (((0x1 << 15) << 16) | ((n) << 15))
> +/* CRU_CLKGATE_CON2 */
> +#define DDR_MSCH_EN_MASK ((0x1 << 10) << 16)
> +#define DDR_MSCH_EN_SHIFT (10)
> +
> +/* CRU register */
> +#define CRU_PLL_CON(pll_id, n) ((pll_id) * 0x20 + (n) * 4)
> +#define CRU_MODE (0xa0)
> +#define CRU_GLB_CNT_TH (0xb0)
> +#define CRU_CLKSEL_CON_BASE 0x100
> +#define CRU_CLKSELS_CON(i) (CRU_CLKSEL_CON_BASE + ((i) * 4))
> +#define CRU_CLKGATE_CON_BASE 0x230
> +#define CRU_CLKGATE_CON(i) (CRU_CLKGATE_CON_BASE + ((i) * 4))
> +#define CRU_CLKSFTRST_CON_BASE 0x300
> +#define CRU_CLKSFTRST_CON(i) (CRU_CLKSFTRST_CON_BASE + ((i) * 4))
> +
> +/* SGRF_SOC_CON2 */
> +#define MSCH_AXI_BYPASS_ALL_MASK (1)
> +#define MSCH_AXI_BYPASS_ALL_SHIFT (15)
> +
> +/* SGRF_SOC_CON12 */
> +#define CLK_DDR_UPCTL_EN_MASK ((0x1 << 2) << 16)
> +#define CLK_DDR_UPCTL_EN_SHIFT (2)
> +#define ACLK_DDR_UPCTL_EN_MASK ((0x1 << 0) << 16)
> +#define ACLK_DDR_UPCTL_EN_SHIFT (0)
> +
> +/* DDRGRF DDR CON2 */
> +#define DFI_FREQ_CHANGE_ACK BIT(10)
> +/* DDRGRF status8 */
> +#define DFI_FREQ_CHANGE_REQ BIT(19)
> +
> +struct rv1126_ddrgrf {
> + u32 ddr_grf_con[4];
> + u32 grf_ddrsplit_con;
> + u32 reserved1[(0x20 - 0x10) / 4 - 1];
> + u32 ddr_grf_lp_con;
> + u32 reserved2[(0x40 - 0x20) / 4 - 1];
> + u32 grf_ddrphy_con[6];
> + u32 reserved3[(0x100 - 0x54) / 4 - 1];
> + u32 ddr_grf_status[18];
> + u32 reserved4[(0x150 - 0x144) / 4 - 1];
> + u32 grf_ddrhold_status;
> + u32 reserved5[(0x160 - 0x150) / 4 - 1];
> + u32 grf_ddrphy_status[2];
> +};
> +
> +struct rv1126_ddr_phy_regs {
> + u32 phy[8][2];
> +};
> +
> +struct msch_regs {
> + u32 coreid;
> + u32 revisionid;
> + u32 deviceconf;
> + u32 devicesize;
> + u32 ddrtiminga0;
> + u32 ddrtimingb0;
> + u32 ddrtimingc0;
> + u32 devtodev0;
> + u32 reserved1[(0x110 - 0x20) / 4];
> + u32 ddrmode;
> + u32 ddr4timing;
> + u32 reserved2[(0x1000 - 0x118) / 4];
> + u32 agingx0;
> + u32 reserved3[(0x1040 - 0x1004) / 4];
> + u32 aging0;
> + u32 aging1;
> + u32 aging2;
> + u32 aging3;
> +};
> +
> +struct sdram_msch_timings {
> + union noc_ddrtiminga0 ddrtiminga0;
> + union noc_ddrtimingb0 ddrtimingb0;
> + union noc_ddrtimingc0 ddrtimingc0;
> + union noc_devtodev_rv1126 devtodev0;
> + union noc_ddrmode ddrmode;
> + union noc_ddr4timing ddr4timing;
> + u32 agingx0;
> + u32 aging0;
> + u32 aging1;
> + u32 aging2;
> + u32 aging3;
> +};
> +
> +struct rv1126_sdram_channel {
> + struct sdram_cap_info cap_info;
> + struct sdram_msch_timings noc_timings;
> +};
> +
> +struct rv1126_sdram_params {
> + struct rv1126_sdram_channel ch;
> + struct sdram_base_params base;
> + struct ddr_pctl_regs pctl_regs;
> + struct rv1126_ddr_phy_regs phy_regs;
> +};
> +
> +struct rv1126_fsp_param {
> + u32 flag;
> + u32 freq_mhz;
> +
> + /* dram size */
> + u32 dq_odt;
> + u32 ca_odt;
> + u32 ds_pdds;
> + u32 vref_ca[2];
> + u32 vref_dq[2];
> +
> + /* phy side */
> + u32 wr_dq_drv;
> + u32 wr_ca_drv;
> + u32 wr_ckcs_drv;
> + u32 rd_odt;
> + u32 rd_odt_up_en;
> + u32 rd_odt_down_en;
> + u32 vref_inner;
> + u32 vref_out;
> + u32 lp4_drv_pd_en;
> +
> + struct sdram_msch_timings noc_timings;
> +};
> +
> +#define MAX_IDX (4)
> +#define FSP_FLAG (0xfead0001)
> +#define SHARE_MEM_BASE (0x100000)
> +/*
> + * Borrow share memory space to temporarily store FSP parame.
> + * In the stage of DDR init write FSP parame to this space.
> + * In the stage of trust init move FSP parame to SRAM space
> + * from share memory space.
> + */
> +#define FSP_PARAM_STORE_ADDR (SHARE_MEM_BASE)
> +
> +/* store result of read and write training, for ddr_dq_eye tool in u-boot */
> +#define RW_TRN_RESULT_ADDR (0x2000000 + 0x8000) /* 32M + 32k */
> +#define PRINT_STEP 1
> +
> +#undef FSP_NUM
> +#undef CS_NUM
> +#undef BYTE_NUM
> +
> +#define FSP_NUM 4
> +#define CS_NUM 2
> +#define BYTE_NUM 4
> +#define RD_DESKEW_NUM 64
> +#define WR_DESKEW_NUM 64
> +
> +#define LP4_WIDTH_REF_MHZ_H 1056
> +#define LP4_RD_WIDTH_REF_H 12
> +#define LP4_WR_WIDTH_REF_H 13
> +
> +#define LP4_WIDTH_REF_MHZ_L 924
> +#define LP4_RD_WIDTH_REF_L 15
> +#define LP4_WR_WIDTH_REF_L 15
> +
> +#define DDR4_WIDTH_REF_MHZ_H 1056
> +#define DDR4_RD_WIDTH_REF_H 13
> +#define DDR4_WR_WIDTH_REF_H 9
> +
> +#define DDR4_WIDTH_REF_MHZ_L 924
> +#define DDR4_RD_WIDTH_REF_L 15
> +#define DDR4_WR_WIDTH_REF_L 11
> +
> +#define LP3_WIDTH_REF_MHZ_H 1056
> +#define LP3_RD_WIDTH_REF_H 15
> +#define LP3_WR_WIDTH_REF_H 13
> +
> +#define LP3_WIDTH_REF_MHZ_L 924
> +#define LP3_RD_WIDTH_REF_L 16
> +#define LP3_WR_WIDTH_REF_L 15
> +
> +#define DDR3_WIDTH_REF_MHZ_H 1056
> +#define DDR3_RD_WIDTH_REF_H 14
> +#define DDR3_WR_WIDTH_REF_H 14
> +
> +#define DDR3_WIDTH_REF_MHZ_L 924
> +#define DDR3_RD_WIDTH_REF_L 17
> +#define DDR3_WR_WIDTH_REF_L 17
> +
> +#endif /* _ASM_ARCH_SDRAM_RK1126_H */
> diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
> index 6d530c29af..98839ad6a6 100644
> --- a/drivers/ram/rockchip/Makefile
> +++ b/drivers/ram/rockchip/Makefile
> @@ -14,4 +14,5 @@ obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o
> obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o sdram_pctl_px30.o sdram_phy_px30.o
> obj-$(CONFIG_ROCKCHIP_RK3399) += sdram_rk3399.o
> obj-$(CONFIG_ROCKCHIP_RK3568) += sdram_rk3568.o
> +obj-$(CONFIG_ROCKCHIP_RV1126) += sdram_rv1126.o sdram_pctl_px30.o
> obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o
> diff --git a/drivers/ram/rockchip/sdram_rv1126.c b/drivers/ram/rockchip/sdram_rv1126.c
> new file mode 100644
> index 0000000000..9b1c34391e
> --- /dev/null
> +++ b/drivers/ram/rockchip/sdram_rv1126.c
> @@ -0,0 +1,3521 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * (C) Copyright 2020 Rockchip Electronics Co., Ltd.
> + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> + */
> +
> +#include <common.h>
> +#include <debug_uart.h>
> +#include <dm.h>
> +#include <ram.h>
> +#include <syscon.h>
> +#include <asm/io.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/hardware.h>
> +#include <asm/arch-rockchip/cru_rv1126.h>
> +#include <asm/arch-rockchip/grf_rv1126.h>
> +#include <asm/arch-rockchip/sdram_common.h>
> +#include <asm/arch-rockchip/sdram_rv1126.h>
> +#include <linux/delay.h>
> +
> +/* define training flag */
> +#define CA_TRAINING (0x1 << 0)
> +#define READ_GATE_TRAINING (0x1 << 1)
> +#define WRITE_LEVELING (0x1 << 2)
> +#define WRITE_TRAINING (0x1 << 3)
> +#define READ_TRAINING (0x1 << 4)
> +#define FULL_TRAINING (0xff)
> +
> +#define SKEW_RX_SIGNAL (0)
> +#define SKEW_TX_SIGNAL (1)
> +#define SKEW_CA_SIGNAL (2)
> +
> +#define DESKEW_MDF_ABS_VAL (0)
> +#define DESKEW_MDF_DIFF_VAL (1)
> +
> +struct dram_info {
> +#if defined(CONFIG_TPL_BUILD) || \
> + (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
> + void __iomem *pctl;
> + void __iomem *phy;
> + struct rv1126_cru *cru;
> + struct msch_regs *msch;
> + struct rv1126_ddrgrf *ddrgrf;
> + struct rv1126_grf *grf;
> + u32 sr_idle;
> + u32 pd_idle;
> +#endif
> + struct ram_info info;
> + struct rv1126_pmugrf *pmugrf;
> +};
> +
> +#if defined(CONFIG_TPL_BUILD) || \
> + (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
> +
> +#define GRF_BASE_ADDR 0xfe000000
> +#define PMU_GRF_BASE_ADDR 0xfe020000
> +#define DDR_GRF_BASE_ADDR 0xfe030000
> +#define BUS_SGRF_BASE_ADDR 0xfe0a0000
> +#define SERVER_MSCH_BASE_ADDR 0xfe800000
> +#define CRU_BASE_ADDR 0xff490000
> +#define DDR_PHY_BASE_ADDR 0xff4a0000
> +#define UPCTL2_BASE_ADDR 0xffa50000
> +
> +#define SGRF_SOC_CON2 0x8
> +#define SGRF_SOC_CON12 0x30
> +#define SGRF_SOC_CON13 0x34
> +
> +struct dram_info dram_info;
> +
> +struct rv1126_sdram_params sdram_configs[] = {
> +# include "sdram-rv1126-ddr3-detect-328.inc"
> +# include "sdram-rv1126-ddr3-detect-396.inc"
> +# include "sdram-rv1126-ddr3-detect-528.inc"
> +# include "sdram-rv1126-ddr3-detect-664.inc"
> +# include "sdram-rv1126-ddr3-detect-784.inc"
> +# include "sdram-rv1126-ddr3-detect-924.inc"
> +# include "sdram-rv1126-ddr3-detect-1056.inc"
> +};
> +
> +u32 common_info[] = {
> +#include "sdram-rv1126-loader_params.inc"
> +};
> +
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> +static struct rw_trn_result rw_trn_result;
> +#endif
> +
> +static struct rv1126_fsp_param fsp_param[MAX_IDX];
> +
> +static u8 lp3_odt_value;
> +
> +static s8 wrlvl_result[2][4];
> +
> +/* DDR configuration 0-9 */
> +u16 ddr_cfg_2_rbc[] = {
> + ((0 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 3), /* 0 */
> + ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 2), /* 1 */
> + ((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 3), /* 2 */
> + ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 1), /* 3 */
> + ((0 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 4), /* 4 */
> + ((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 1), /* 5 */
> + ((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 2), /* 6 */
> + ((0 << 8) | (2 << 5) | (1 << 4) | (1 << 3) | 3), /* 7 */
> + ((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 2), /* 8 */
> + ((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 2) /* 9 */
> +};
> +
> +/* DDR configuration 10-21 */
> +u8 ddr4_cfg_2_rbc[] = {
> + ((0 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 0), /* 10 */
> + ((1 << 7) | (2 << 4) | (0 << 3) | (2 << 1) | 0), /* 11 */
> + ((0 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 0), /* 12 */
> + ((1 << 7) | (3 << 4) | (0 << 3) | (1 << 1) | 0), /* 13 */
> + ((0 << 7) | (4 << 4) | (0 << 3) | (2 << 1) | 1), /* 14 */
> + ((1 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 1), /* 15 */
> + ((1 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 1), /* 16 */
> + ((0 << 7) | (2 << 4) | (1 << 3) | (2 << 1) | 0), /* 17 */
> + ((0 << 7) | (3 << 4) | (1 << 3) | (1 << 1) | 0), /* 18 */
> + ((0 << 7) | (3 << 4) | (1 << 3) | (2 << 1) | 1), /* 19 */
> + ((0 << 7) | (4 << 4) | (1 << 3) | (1 << 1) | 1), /* 20 */
> + ((1 << 7) | (4 << 4) | (0 << 3) | (0 << 1) | 0) /* 21 */
> +};
> +
> +/* DDR configuration 22-28 */
> +u16 ddr_cfg_2_rbc_p2[] = {
> + ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 0), /* 22 */
> + ((0 << 8) | (4 << 5) | (0 << 4) | (1 << 3) | 2), /* 23 */
> + ((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 3), /* 24 */
> + ((0 << 8) | (3 << 5) | (1 << 4) | (0 << 3) | 3), /* 25 */
> + ((0 << 8) | (4 << 5) | (1 << 4) | (0 << 3) | 2), /* 26 */
> + ((1 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 2), /* 27 */
> + ((0 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 3) /* 28 */
> +};
> +
> +u8 d4_rbc_2_d3_rbc[][2] = {
> + {10, 0},
> + {11, 2},
> + {12, 23},
> + {13, 1},
> + {14, 28},
> + {15, 24},
> + {16, 27},
> + {17, 7},
> + {18, 6},
> + {19, 25},
> + {20, 26},
> + {21, 3}
> +};
> +
> +u32 addrmap[29][9] = {
> + {24, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x3f3f}, /* 0 */
> + {23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f0f, 0x3f3f}, /* 1 */
> + {23, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
> + 0x0f080808, 0x00000f0f, 0x3f3f}, /* 2 */
> + {22, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x06060606,
> + 0x06060606, 0x00000f0f, 0x3f3f}, /* 3 */
> + {24, 0x000a0a0a, 0x00000000, 0x00000000, 0x00000000, 0x09090909,
> + 0x0f090909, 0x00000f0f, 0x3f3f}, /* 4 */
> + {6, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f0f, 0x3f3f}, /* 5 */
> + {7, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x3f3f}, /* 6 */
> + {8, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x09090909,
> + 0x0f090909, 0x00000f0f, 0x3f3f}, /* 7 */
> + {22, 0x001f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
> + 0x06060606, 0x00000f0f, 0x3f3f}, /* 8 */
> + {23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
> + 0x0f070707, 0x00000f0f, 0x3f3f}, /* 9 */
> +
> + {24, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x0801}, /* 10 */
> + {23, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
> + 0x0f080808, 0x00000f0f, 0x0801}, /* 11 */
> + {24, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f07, 0x0700}, /* 12 */
> + {23, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f0f, 0x0700}, /* 13 */
> + {24, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f07, 0x3f01}, /* 14 */
> + {23, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f0f, 0x3f01}, /* 15 */
> + {23, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x06060606,
> + 0x06060606, 0x00000f06, 0x3f00}, /* 16 */
> + {8, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x09090909,
> + 0x0f090909, 0x00000f0f, 0x0801}, /* 17 */
> + {7, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x0700}, /* 18 */
> + {7, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x3f01}, /* 19 */
> +
> + {6, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f07, 0x3f00}, /* 20 */
> + {23, 0x003f0909, 0x00000006, 0x1f1f0000, 0x00001f1f, 0x06060606,
> + 0x06060606, 0x00000f06, 0x0600}, /* 21 */
> + {21, 0x00060606, 0x00000000, 0x1f1f0000, 0x00001f1f, 0x05050505,
> + 0x05050505, 0x00000f0f, 0x3f3f}, /* 22 */
> +
> + {24, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f07, 0x3f3f}, /* 23 */
> + {23, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
> + 0x07070707, 0x00000f0f, 0x3f3f}, /* 24 */
> + {7, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
> + 0x08080808, 0x00000f0f, 0x3f3f}, /* 25 */
> + {6, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
> + 0x07070707, 0x00000f07, 0x3f3f}, /* 26 */
> + {23, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
> + 0x06060606, 0x00000f06, 0x3f3f}, /* 27 */
> + {24, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
> + 0x07070707, 0x00000f07, 0x3f3f} /* 28 */
> +};
> +
> +static u8 dq_sel[22][3] = {
> + {0x0, 0x17, 0x22},
> + {0x1, 0x18, 0x23},
> + {0x2, 0x19, 0x24},
> + {0x3, 0x1a, 0x25},
> + {0x4, 0x1b, 0x26},
> + {0x5, 0x1c, 0x27},
> + {0x6, 0x1d, 0x28},
> + {0x7, 0x1e, 0x29},
> + {0x8, 0x16, 0x21},
> + {0x9, 0x1f, 0x2a},
> + {0xa, 0x20, 0x2b},
> + {0x10, 0x1, 0xc},
> + {0x11, 0x2, 0xd},
> + {0x12, 0x3, 0xe},
> + {0x13, 0x4, 0xf},
> + {0x14, 0x5, 0x10},
> + {0x15, 0x6, 0x11},
> + {0x16, 0x7, 0x12},
> + {0x17, 0x8, 0x13},
> + {0x18, 0x0, 0xb},
> + {0x19, 0x9, 0x14},
> + {0x1a, 0xa, 0x15}
> +};
> +
> +static u16 grp_addr[4] = {
> + ADD_GROUP_CS0_A,
> + ADD_GROUP_CS0_B,
> + ADD_GROUP_CS1_A,
> + ADD_GROUP_CS1_B
> +};
> +
> +static u8 wrlvl_result_offset[2][4] = {
> + {0xa0 + 0x26, 0xa0 + 0x27, 0xd0 + 0x26, 0xd0 + 0x27},
> + {0xa0 + 0x28, 0xa0 + 0x29, 0xd0 + 0x28, 0xd0 + 0x29},
> +};
> +
> +static u16 dqs_dq_skew_adr[16] = {
> + 0x170 + 0, /* SKEW_UPDATE_RX_CS0_DQS0 */
> + 0x170 + 0xb, /* SKEW_UPDATE_RX_CS0_DQS1 */
> + 0x1d0 + 0, /* SKEW_UPDATE_RX_CS0_DQS2 */
> + 0x1d0 + 0xb, /* SKEW_UPDATE_RX_CS0_DQS3 */
> + 0x1a0 + 0, /* SKEW_UPDATE_RX_CS1_DQS0 */
> + 0x1a0 + 0xb, /* SKEW_UPDATE_RX_CS1_DQS1 */
> + 0x200 + 0, /* SKEW_UPDATE_RX_CS1_DQS2 */
> + 0x200 + 0xb, /* SKEW_UPDATE_RX_CS1_DQS3 */
> + 0x170 + 0x16, /* SKEW_UPDATE_TX_CS0_DQS0 */
> + 0x170 + 0x21, /* SKEW_UPDATE_TX_CS0_DQS1 */
> + 0x1d0 + 0x16, /* SKEW_UPDATE_TX_CS0_DQS2 */
> + 0x1d0 + 0x21, /* SKEW_UPDATE_TX_CS0_DQS3 */
> + 0x1a0 + 0x16, /* SKEW_UPDATE_TX_CS1_DQS0 */
> + 0x1a0 + 0x21, /* SKEW_UPDATE_TX_CS1_DQS1 */
> + 0x200 + 0x16, /* SKEW_UPDATE_TX_CS1_DQS2 */
> + 0x200 + 0x21, /* SKEW_UPDATE_TX_CS1_DQS3 */
> +};
> +
> +static void rkclk_ddr_reset(struct dram_info *dram,
> + u32 ctl_srstn, u32 ctl_psrstn,
> + u32 phy_srstn, u32 phy_psrstn)
> +{
> + writel(UPCTL2_SRSTN_REQ(ctl_srstn) | UPCTL2_PSRSTN_REQ(ctl_psrstn) |
> + UPCTL2_ASRSTN_REQ(ctl_srstn),
> + BUS_SGRF_BASE_ADDR + SGRF_SOC_CON13);
> +
> + writel(DDRPHY_SRSTN_REQ(phy_srstn) | DDRPHY_PSRSTN_REQ(phy_psrstn),
> + &dram->cru->softrst_con[12]);
> +}
> +
> +static void rkclk_set_dpll(struct dram_info *dram, unsigned int hz)
> +{
> + unsigned int refdiv, postdiv1, postdiv2, fbdiv;
> + int delay = 1000;
> + u32 mhz = hz / MHz;
> + struct global_info *gbl_info;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + u32 ssmod_info;
> + u32 dsmpd = 1;
> +
> + gbl_info = (struct global_info *)((void *)common_info +
> + index->global_index.offset * 4);
> + ssmod_info = gbl_info->info_2t;
> + refdiv = 1;
> + if (mhz <= 100) {
> + postdiv1 = 6;
> + postdiv2 = 4;
> + } else if (mhz <= 150) {
> + postdiv1 = 4;
> + postdiv2 = 4;
> + } else if (mhz <= 200) {
> + postdiv1 = 6;
> + postdiv2 = 2;
> + } else if (mhz <= 300) {
> + postdiv1 = 4;
> + postdiv2 = 2;
> + } else if (mhz <= 400) {
> + postdiv1 = 6;
> + postdiv2 = 1;
> + } else {
> + postdiv1 = 4;
> + postdiv2 = 1;
> + }
> + fbdiv = (mhz * refdiv * postdiv1 * postdiv2) / 24;
> +
> + writel(DPLL_MODE(CLOCK_FROM_XIN_OSC), &dram->cru->mode);
> +
> + writel(0x1f000000, &dram->cru->clksel_con[64]);
> + writel(POSTDIV1(postdiv1) | FBDIV(fbdiv), &dram->cru->pll[1].con0);
> + /* enable ssmod */
> + if (PLL_SSMOD_SPREAD(ssmod_info)) {
> + dsmpd = 0;
> + clrsetbits_le32(&dram->cru->pll[1].con2,
> + 0xffffff << 0, 0x0 << 0);
> + writel(SSMOD_SPREAD(PLL_SSMOD_SPREAD(ssmod_info)) |
> + SSMOD_DIVVAL(PLL_SSMOD_DIV(ssmod_info)) |
> + SSMOD_DOWNSPREAD(PLL_SSMOD_DOWNSPREAD(ssmod_info)) |
> + SSMOD_RESET(0) |
> + SSMOD_DIS_SSCG(0) |
> + SSMOD_BP(0),
> + &dram->cru->pll[1].con3);
> + }
> + writel(DSMPD(dsmpd) | POSTDIV2(postdiv2) | REFDIV(refdiv),
> + &dram->cru->pll[1].con1);
> +
> + while (delay > 0) {
> + udelay(1);
> + if (LOCK(readl(&dram->cru->pll[1].con1)))
> + break;
> + delay--;
> + }
> +
> + writel(DPLL_MODE(CLOCK_FROM_PLL), &dram->cru->mode);
> +}
> +
> +static void rkclk_configure_ddr(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + /* for inno ddr phy need freq / 2 */
> + rkclk_set_dpll(dram, sdram_params->base.ddr_freq * MHZ / 2);
> +}
> +
> +static unsigned int
> + calculate_ddrconfig(struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + u32 cs, bw, die_bw, col, row, bank;
> + u32 cs1_row;
> + u32 i, tmp;
> + u32 ddrconf = -1;
> + u32 row_3_4;
> +
> + cs = cap_info->rank;
> + bw = cap_info->bw;
> + die_bw = cap_info->dbw;
> + col = cap_info->col;
> + row = cap_info->cs0_row;
> + cs1_row = cap_info->cs1_row;
> + bank = cap_info->bk;
> + row_3_4 = cap_info->row_3_4;
> +
> + if (sdram_params->base.dramtype == DDR4) {
> + if (cs == 2 && row == cs1_row && !row_3_4) {
> + tmp = ((row - 13) << 4) | (1 << 3) | (bw << 1) |
> + die_bw;
> + for (i = 17; i < 21; i++) {
> + if (((tmp & 0xf) ==
> + (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
> + ((tmp & 0x70) <=
> + (ddr4_cfg_2_rbc[i - 10] & 0x70))) {
> + ddrconf = i;
> + goto out;
> + }
> + }
> + }
> +
> + tmp = ((cs - 1) << 7) | ((row - 13) << 4) | (bw << 1) | die_bw;
> + for (i = 10; i < 21; i++) {
> + if (((tmp & 0xf) == (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
> + ((tmp & 0x70) <= (ddr4_cfg_2_rbc[i - 10] & 0x70)) &&
> + ((tmp & 0x80) <= (ddr4_cfg_2_rbc[i - 10] & 0x80))) {
> + ddrconf = i;
> + goto out;
> + }
> + }
> + } else {
> + if (cs == 2 && row == cs1_row && bank == 3) {
> + for (i = 5; i < 8; i++) {
> + if (((bw + col - 10) == (ddr_cfg_2_rbc[i] &
> + 0x7)) &&
> + ((row - 13) << 5) <= (ddr_cfg_2_rbc[i] &
> + (0x7 << 5))) {
> + ddrconf = i;
> + goto out;
> + }
> + }
> + }
> +
> + tmp = ((cs - 1) << 8) | ((row - 13) << 5) |
> + ((bw + col - 10) << 0);
> + if (bank == 3)
> + tmp |= (1 << 3);
> +
> + for (i = 0; i < 9; i++)
> + if (((tmp & 0x1f) == (ddr_cfg_2_rbc[i] & 0x1f)) &&
> + ((tmp & (7 << 5)) <=
> + (ddr_cfg_2_rbc[i] & (7 << 5))) &&
> + ((tmp & (1 << 8)) <=
> + (ddr_cfg_2_rbc[i] & (1 << 8)))) {
> + ddrconf = i;
> + goto out;
> + }
> +
> + for (i = 0; i < 7; i++)
> + if (((tmp & 0x1f) == (ddr_cfg_2_rbc_p2[i] & 0x1f)) &&
> + ((tmp & (7 << 5)) <=
> + (ddr_cfg_2_rbc_p2[i] & (7 << 5))) &&
> + ((tmp & (1 << 8)) <=
> + (ddr_cfg_2_rbc_p2[i] & (1 << 8)))) {
> + ddrconf = i + 22;
> + goto out;
> + }
> +
> + if (cs == 1 && bank == 3 && row <= 17 &&
> + (col + bw) == 12)
> + ddrconf = 23;
> + }
> +
> +out:
> + if (ddrconf > 28)
> + printascii("calculate ddrconfig error\n");
> +
> + if (sdram_params->base.dramtype == DDR4) {
> + for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
> + if (ddrconf == d4_rbc_2_d3_rbc[i][0]) {
> + if (ddrconf == 21 && row > 16)
> + printascii("warn:ddrconf21 row > 16\n");
> + else
> + ddrconf = d4_rbc_2_d3_rbc[i][1];
> + break;
> + }
> + }
> + }
> +
> + return ddrconf;
> +}
> +
> +static void sw_set_req(struct dram_info *dram)
> +{
> + void __iomem *pctl_base = dram->pctl;
> +
> + /* clear sw_done=0 */
> + writel(PCTL2_SW_DONE_CLEAR, pctl_base + DDR_PCTL2_SWCTL);
> +}
> +
> +static void sw_set_ack(struct dram_info *dram)
> +{
> + void __iomem *pctl_base = dram->pctl;
> +
> + /* set sw_done=1 */
> + writel(PCTL2_SW_DONE, pctl_base + DDR_PCTL2_SWCTL);
> + while (1) {
> + /* wait programming done */
> + if (readl(pctl_base + DDR_PCTL2_SWSTAT) &
> + PCTL2_SW_DONE_ACK)
> + break;
> + }
> +}
> +
> +static void set_ctl_address_map(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + void __iomem *pctl_base = dram->pctl;
> + u32 ddrconf = cap_info->ddrconfig;
> + u32 i, row;
> +
> + row = cap_info->cs0_row;
> + if (sdram_params->base.dramtype == DDR4) {
> + for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
> + if (ddrconf == d4_rbc_2_d3_rbc[i][1]) {
> + ddrconf = d4_rbc_2_d3_rbc[i][0];
> + break;
> + }
> + }
> + }
> +
> + if (ddrconf >= ARRAY_SIZE(addrmap)) {
> + printascii("set ctl address map fail\n");
> + return;
> + }
> +
> + sdram_copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP0),
> + &addrmap[ddrconf][0], ARRAY_SIZE(addrmap[ddrconf]) * 4);
> +
> + /* unused row set to 0xf */
> + for (i = 17; i >= row; i--)
> + setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6 +
> + ((i - 12) * 8 / 32) * 4,
> + 0xf << ((i - 12) * 8 % 32));
> +
> + if (sdram_params->base.dramtype == LPDDR3 && cap_info->row_3_4)
> + setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6, 1 << 31);
> + if (sdram_params->base.dramtype == DDR4 && cap_info->bw == 0x1)
> + setbits_le32(pctl_base + DDR_PCTL2_PCCFG, 1 << 8);
> +
> + if (cap_info->rank == 1)
> + clrsetbits_le32(pctl_base + DDR_PCTL2_ADDRMAP0, 0x1f, 0x1f);
> +}
> +
> +static void phy_pll_set(struct dram_info *dram, u32 freq, u32 wait)
> +{
> + void __iomem *phy_base = dram->phy;
> + u32 fbdiv, prediv, postdiv, postdiv_en;
> +
> + if (wait) {
> + clrbits_le32(PHY_REG(phy_base, 0x53), PHY_PD_DISB);
> + while (!(readl(PHY_REG(phy_base, 0x90)) & PHY_PLL_LOCK))
> + continue;
> + } else {
> + freq /= MHz;
> + prediv = 1;
> + if (freq <= 200) {
> + fbdiv = 16;
> + postdiv = 2;
> + postdiv_en = 1;
> + } else if (freq <= 456) {
> + fbdiv = 8;
> + postdiv = 1;
> + postdiv_en = 1;
> + } else {
> + fbdiv = 4;
> + postdiv = 0;
> + postdiv_en = 0;
> + }
> + writel(fbdiv & 0xff, PHY_REG(phy_base, 0x50));
> + clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_PBDIV_BIT9_MASK,
> + (fbdiv >> 8) & 1);
> + clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_POSTDIV_EN_MASK,
> + postdiv_en << PHY_POSTDIV_EN_SHIFT);
> +
> + clrsetbits_le32(PHY_REG(phy_base, 0x52),
> + PHY_PREDIV_MASK << PHY_PREDIV_SHIFT, prediv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x53),
> + PHY_POSTDIV_MASK << PHY_POSTDIV_SHIFT,
> + postdiv << PHY_POSTDIV_SHIFT);
> + }
> +}
> +
> +static const u16 d3_phy_drv_2_ohm[][2] = {
> + {PHY_DDR3_RON_455ohm, 455},
> + {PHY_DDR3_RON_230ohm, 230},
> + {PHY_DDR3_RON_153ohm, 153},
> + {PHY_DDR3_RON_115ohm, 115},
> + {PHY_DDR3_RON_91ohm, 91},
> + {PHY_DDR3_RON_76ohm, 76},
> + {PHY_DDR3_RON_65ohm, 65},
> + {PHY_DDR3_RON_57ohm, 57},
> + {PHY_DDR3_RON_51ohm, 51},
> + {PHY_DDR3_RON_46ohm, 46},
> + {PHY_DDR3_RON_41ohm, 41},
> + {PHY_DDR3_RON_38ohm, 38},
> + {PHY_DDR3_RON_35ohm, 35},
> + {PHY_DDR3_RON_32ohm, 32},
> + {PHY_DDR3_RON_30ohm, 30},
> + {PHY_DDR3_RON_28ohm, 28},
> + {PHY_DDR3_RON_27ohm, 27},
> + {PHY_DDR3_RON_25ohm, 25},
> + {PHY_DDR3_RON_24ohm, 24},
> + {PHY_DDR3_RON_23ohm, 23},
> + {PHY_DDR3_RON_22ohm, 22},
> + {PHY_DDR3_RON_21ohm, 21},
> + {PHY_DDR3_RON_20ohm, 20}
> +};
> +
> +static u16 d3_phy_odt_2_ohm[][2] = {
> + {PHY_DDR3_RTT_DISABLE, 0},
> + {PHY_DDR3_RTT_561ohm, 561},
> + {PHY_DDR3_RTT_282ohm, 282},
> + {PHY_DDR3_RTT_188ohm, 188},
> + {PHY_DDR3_RTT_141ohm, 141},
> + {PHY_DDR3_RTT_113ohm, 113},
> + {PHY_DDR3_RTT_94ohm, 94},
> + {PHY_DDR3_RTT_81ohm, 81},
> + {PHY_DDR3_RTT_72ohm, 72},
> + {PHY_DDR3_RTT_64ohm, 64},
> + {PHY_DDR3_RTT_58ohm, 58},
> + {PHY_DDR3_RTT_52ohm, 52},
> + {PHY_DDR3_RTT_48ohm, 48},
> + {PHY_DDR3_RTT_44ohm, 44},
> + {PHY_DDR3_RTT_41ohm, 41},
> + {PHY_DDR3_RTT_38ohm, 38},
> + {PHY_DDR3_RTT_37ohm, 37},
> + {PHY_DDR3_RTT_34ohm, 34},
> + {PHY_DDR3_RTT_32ohm, 32},
> + {PHY_DDR3_RTT_31ohm, 31},
> + {PHY_DDR3_RTT_29ohm, 29},
> + {PHY_DDR3_RTT_28ohm, 28},
> + {PHY_DDR3_RTT_27ohm, 27},
> + {PHY_DDR3_RTT_25ohm, 25}
> +};
> +
> +static u16 d4lp3_phy_drv_2_ohm[][2] = {
> + {PHY_DDR4_LPDDR3_RON_482ohm, 482},
> + {PHY_DDR4_LPDDR3_RON_244ohm, 244},
> + {PHY_DDR4_LPDDR3_RON_162ohm, 162},
> + {PHY_DDR4_LPDDR3_RON_122ohm, 122},
> + {PHY_DDR4_LPDDR3_RON_97ohm, 97},
> + {PHY_DDR4_LPDDR3_RON_81ohm, 81},
> + {PHY_DDR4_LPDDR3_RON_69ohm, 69},
> + {PHY_DDR4_LPDDR3_RON_61ohm, 61},
> + {PHY_DDR4_LPDDR3_RON_54ohm, 54},
> + {PHY_DDR4_LPDDR3_RON_48ohm, 48},
> + {PHY_DDR4_LPDDR3_RON_44ohm, 44},
> + {PHY_DDR4_LPDDR3_RON_40ohm, 40},
> + {PHY_DDR4_LPDDR3_RON_37ohm, 37},
> + {PHY_DDR4_LPDDR3_RON_34ohm, 34},
> + {PHY_DDR4_LPDDR3_RON_32ohm, 32},
> + {PHY_DDR4_LPDDR3_RON_30ohm, 30},
> + {PHY_DDR4_LPDDR3_RON_28ohm, 28},
> + {PHY_DDR4_LPDDR3_RON_27ohm, 27},
> + {PHY_DDR4_LPDDR3_RON_25ohm, 25},
> + {PHY_DDR4_LPDDR3_RON_24ohm, 24},
> + {PHY_DDR4_LPDDR3_RON_23ohm, 23},
> + {PHY_DDR4_LPDDR3_RON_22ohm, 22},
> + {PHY_DDR4_LPDDR3_RON_21ohm, 21}
> +};
> +
> +static u16 d4lp3_phy_odt_2_ohm[][2] = {
> + {PHY_DDR4_LPDDR3_RTT_DISABLE, 0},
> + {PHY_DDR4_LPDDR3_RTT_586ohm, 586},
> + {PHY_DDR4_LPDDR3_RTT_294ohm, 294},
> + {PHY_DDR4_LPDDR3_RTT_196ohm, 196},
> + {PHY_DDR4_LPDDR3_RTT_148ohm, 148},
> + {PHY_DDR4_LPDDR3_RTT_118ohm, 118},
> + {PHY_DDR4_LPDDR3_RTT_99ohm, 99},
> + {PHY_DDR4_LPDDR3_RTT_85ohm, 58},
> + {PHY_DDR4_LPDDR3_RTT_76ohm, 76},
> + {PHY_DDR4_LPDDR3_RTT_67ohm, 67},
> + {PHY_DDR4_LPDDR3_RTT_60ohm, 60},
> + {PHY_DDR4_LPDDR3_RTT_55ohm, 55},
> + {PHY_DDR4_LPDDR3_RTT_50ohm, 50},
> + {PHY_DDR4_LPDDR3_RTT_46ohm, 46},
> + {PHY_DDR4_LPDDR3_RTT_43ohm, 43},
> + {PHY_DDR4_LPDDR3_RTT_40ohm, 40},
> + {PHY_DDR4_LPDDR3_RTT_38ohm, 38},
> + {PHY_DDR4_LPDDR3_RTT_36ohm, 36},
> + {PHY_DDR4_LPDDR3_RTT_34ohm, 34},
> + {PHY_DDR4_LPDDR3_RTT_32ohm, 32},
> + {PHY_DDR4_LPDDR3_RTT_31ohm, 31},
> + {PHY_DDR4_LPDDR3_RTT_29ohm, 29},
> + {PHY_DDR4_LPDDR3_RTT_28ohm, 28},
> + {PHY_DDR4_LPDDR3_RTT_27ohm, 27}
> +};
> +
> +static u16 lp4_phy_drv_2_ohm[][2] = {
> + {PHY_LPDDR4_RON_501ohm, 501},
> + {PHY_LPDDR4_RON_253ohm, 253},
> + {PHY_LPDDR4_RON_168ohm, 168},
> + {PHY_LPDDR4_RON_126ohm, 126},
> + {PHY_LPDDR4_RON_101ohm, 101},
> + {PHY_LPDDR4_RON_84ohm, 84},
> + {PHY_LPDDR4_RON_72ohm, 72},
> + {PHY_LPDDR4_RON_63ohm, 63},
> + {PHY_LPDDR4_RON_56ohm, 56},
> + {PHY_LPDDR4_RON_50ohm, 50},
> + {PHY_LPDDR4_RON_46ohm, 46},
> + {PHY_LPDDR4_RON_42ohm, 42},
> + {PHY_LPDDR4_RON_38ohm, 38},
> + {PHY_LPDDR4_RON_36ohm, 36},
> + {PHY_LPDDR4_RON_33ohm, 33},
> + {PHY_LPDDR4_RON_31ohm, 31},
> + {PHY_LPDDR4_RON_29ohm, 29},
> + {PHY_LPDDR4_RON_28ohm, 28},
> + {PHY_LPDDR4_RON_26ohm, 26},
> + {PHY_LPDDR4_RON_25ohm, 25},
> + {PHY_LPDDR4_RON_24ohm, 24},
> + {PHY_LPDDR4_RON_23ohm, 23},
> + {PHY_LPDDR4_RON_22ohm, 22}
> +};
> +
> +static u16 lp4_phy_odt_2_ohm[][2] = {
> + {PHY_LPDDR4_RTT_DISABLE, 0},
> + {PHY_LPDDR4_RTT_604ohm, 604},
> + {PHY_LPDDR4_RTT_303ohm, 303},
> + {PHY_LPDDR4_RTT_202ohm, 202},
> + {PHY_LPDDR4_RTT_152ohm, 152},
> + {PHY_LPDDR4_RTT_122ohm, 122},
> + {PHY_LPDDR4_RTT_101ohm, 101},
> + {PHY_LPDDR4_RTT_87ohm, 87},
> + {PHY_LPDDR4_RTT_78ohm, 78},
> + {PHY_LPDDR4_RTT_69ohm, 69},
> + {PHY_LPDDR4_RTT_62ohm, 62},
> + {PHY_LPDDR4_RTT_56ohm, 56},
> + {PHY_LPDDR4_RTT_52ohm, 52},
> + {PHY_LPDDR4_RTT_48ohm, 48},
> + {PHY_LPDDR4_RTT_44ohm, 44},
> + {PHY_LPDDR4_RTT_41ohm, 41},
> + {PHY_LPDDR4_RTT_39ohm, 39},
> + {PHY_LPDDR4_RTT_37ohm, 37},
> + {PHY_LPDDR4_RTT_35ohm, 35},
> + {PHY_LPDDR4_RTT_33ohm, 33},
> + {PHY_LPDDR4_RTT_32ohm, 32},
> + {PHY_LPDDR4_RTT_30ohm, 30},
> + {PHY_LPDDR4_RTT_29ohm, 29},
> + {PHY_LPDDR4_RTT_27ohm, 27}
> +};
> +
> +static u32 lp4_odt_calc(u32 odt_ohm)
> +{
> + u32 odt;
> +
> + if (odt_ohm == 0)
> + odt = LPDDR4_DQODT_DIS;
> + else if (odt_ohm <= 40)
> + odt = LPDDR4_DQODT_40;
> + else if (odt_ohm <= 48)
> + odt = LPDDR4_DQODT_48;
> + else if (odt_ohm <= 60)
> + odt = LPDDR4_DQODT_60;
> + else if (odt_ohm <= 80)
> + odt = LPDDR4_DQODT_80;
> + else if (odt_ohm <= 120)
> + odt = LPDDR4_DQODT_120;
> + else
> + odt = LPDDR4_DQODT_240;
> +
> + return odt;
> +}
> +
> +static void *get_ddr_drv_odt_info(u32 dramtype)
> +{
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + void *ddr_info = 0;
> +
> + if (dramtype == DDR4)
> + ddr_info = (void *)common_info + index->ddr4_index.offset * 4;
> + else if (dramtype == DDR3)
> + ddr_info = (void *)common_info + index->ddr3_index.offset * 4;
> + else if (dramtype == LPDDR3)
> + ddr_info = (void *)common_info + index->lp3_index.offset * 4;
> + else if (dramtype == LPDDR4)
> + ddr_info = (void *)common_info + index->lp4_index.offset * 4;
> + else
> + printascii("unsupported dram type\n");
> + return ddr_info;
> +}
> +
> +static void set_lp4_vref(struct dram_info *dram, struct lp4_info *lp4_info,
> + u32 freq_mhz, u32 dst_fsp, u32 dramtype)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + u32 ca_vref, dq_vref;
> +
> + if (freq_mhz <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
> + ca_vref = LP4_CA_VREF(lp4_info->vref_when_odtoff);
> + else
> + ca_vref = LP4_CA_VREF(lp4_info->vref_when_odten);
> +
> + if (freq_mhz <= LP4_DQ_ODT_EN_FREQ(lp4_info->dq_odten_freq))
> + dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odtoff);
> + else
> + dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odten);
> +
> + if (dramtype == LPDDR4) {
> + if (ca_vref < 100)
> + ca_vref = 100;
> + if (ca_vref > 420)
> + ca_vref = 420;
> +
> + if (ca_vref <= 300)
> + ca_vref = (0 << 6) | (ca_vref - 100) / 4;
> + else
> + ca_vref = (1 << 6) | (ca_vref - 220) / 4;
> +
> + if (dq_vref < 100)
> + dq_vref = 100;
> + if (dq_vref > 420)
> + dq_vref = 420;
> +
> + if (dq_vref <= 300)
> + dq_vref = (0 << 6) | (dq_vref - 100) / 4;
> + else
> + dq_vref = (1 << 6) | (dq_vref - 220) / 4;
> + } else {
> + ca_vref = ca_vref * 11 / 6;
> + if (ca_vref < 150)
> + ca_vref = 150;
> + if (ca_vref > 629)
> + ca_vref = 629;
> +
> + if (ca_vref <= 449)
> + ca_vref = (0 << 6) | (ca_vref - 150) / 4;
> + else
> + ca_vref = (1 << 6) | (ca_vref - 329) / 4;
> +
> + if (dq_vref < 150)
> + dq_vref = 150;
> + if (dq_vref > 629)
> + dq_vref = 629;
> +
> + if (dq_vref <= 449)
> + dq_vref = (0 << 6) | (dq_vref - 150) / 6;
> + else
> + dq_vref = (1 << 6) | (dq_vref - 329) / 6;
> + }
> + sw_set_req(dram);
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6,
> + PCTL2_MR_MASK << PCTL2_LPDDR4_MR12_SHIFT,
> + ca_vref << PCTL2_LPDDR4_MR12_SHIFT);
> +
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT7,
> + PCTL2_MR_MASK << PCTL2_LPDDR4_MR14_SHIFT,
> + dq_vref << PCTL2_LPDDR4_MR14_SHIFT);
> + sw_set_ack(dram);
> +}
> +
> +static void set_ds_odt(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params, u32 dst_fsp)
> +{
> + void __iomem *phy_base = dram->phy;
> + void __iomem *pctl_base = dram->pctl;
> + u32 dramtype = sdram_params->base.dramtype;
> + struct ddr2_3_4_lp2_3_info *ddr_info;
> + struct lp4_info *lp4_info;
> + u32 i, j, tmp;
> + const u16 (*p_drv)[2];
> + const u16 (*p_odt)[2];
> + u32 drv_info, sr_info;
> + u32 phy_dq_drv_ohm, phy_clk_drv_ohm, phy_ca_drv_ohm, dram_drv_ohm;
> + u32 phy_odt_ohm, dram_odt_ohm;
> + u32 lp4_pu_cal, phy_lp4_drv_pd_en;
> + u32 phy_odt_up_en, phy_odt_dn_en;
> + u32 sr_dq, sr_clk;
> + u32 freq = sdram_params->base.ddr_freq;
> + u32 mr1_mr3, mr11, mr22, vref_out, vref_inner;
> + u32 phy_clk_drv = 0, phy_odt = 0, phy_ca_drv = 0, dram_caodt_ohm = 0;
> + u32 phy_dq_drv = 0;
> + u32 phy_odt_up = 0, phy_odt_dn = 0;
> +
> + ddr_info = get_ddr_drv_odt_info(dramtype);
> + lp4_info = (void *)ddr_info;
> +
> + if (!ddr_info)
> + return;
> +
> + /* dram odt en freq control phy drv, dram odt and phy sr */
> + if (freq <= DRAMODT_EN_FREQ(ddr_info->odten_freq)) {
> + drv_info = ddr_info->drv_when_odtoff;
> + dram_odt_ohm = 0;
> + sr_info = ddr_info->sr_when_odtoff;
> + phy_lp4_drv_pd_en =
> + PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(lp4_info->odt_info);
> + } else {
> + drv_info = ddr_info->drv_when_odten;
> + dram_odt_ohm = ODT_INFO_DRAM_ODT(ddr_info->odt_info);
> + sr_info = ddr_info->sr_when_odten;
> + phy_lp4_drv_pd_en =
> + PHY_LP4_DRV_PULLDOWN_EN_ODTEN(lp4_info->odt_info);
> + }
> + phy_dq_drv_ohm =
> + DRV_INFO_PHY_DQ_DRV(drv_info);
> + phy_clk_drv_ohm =
> + DRV_INFO_PHY_CLK_DRV(drv_info);
> + phy_ca_drv_ohm =
> + DRV_INFO_PHY_CA_DRV(drv_info);
> +
> + sr_dq = DQ_SR_INFO(sr_info);
> + sr_clk = CLK_SR_INFO(sr_info);
> +
> + /* phy odt en freq control dram drv and phy odt */
> + if (freq <= PHYODT_EN_FREQ(ddr_info->odten_freq)) {
> + dram_drv_ohm = DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odtoff);
> + lp4_pu_cal = LP4_DRV_PU_CAL_ODTOFF(lp4_info->odt_info);
> + phy_odt_ohm = 0;
> + phy_odt_up_en = 0;
> + phy_odt_dn_en = 0;
> + } else {
> + dram_drv_ohm =
> + DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odten);
> + phy_odt_ohm = ODT_INFO_PHY_ODT(ddr_info->odt_info);
> + phy_odt_up_en =
> + ODT_INFO_PULLUP_EN(ddr_info->odt_info);
> + phy_odt_dn_en =
> + ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
> + lp4_pu_cal = LP4_DRV_PU_CAL_ODTEN(lp4_info->odt_info);
> + }
> +
> + if (dramtype == LPDDR4) {
> + if (phy_odt_ohm) {
> + phy_odt_up_en = 0;
> + phy_odt_dn_en = 1;
> + }
> + if (freq <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
> + dram_caodt_ohm = 0;
> + else
> + dram_caodt_ohm =
> + ODT_INFO_LP4_CA_ODT(lp4_info->odt_info);
> + }
> +
> + if (dramtype == DDR3) {
> + p_drv = d3_phy_drv_2_ohm;
> + p_odt = d3_phy_odt_2_ohm;
> + } else if (dramtype == LPDDR4) {
> + p_drv = lp4_phy_drv_2_ohm;
> + p_odt = lp4_phy_odt_2_ohm;
> + } else {
> + p_drv = d4lp3_phy_drv_2_ohm;
> + p_odt = d4lp3_phy_odt_2_ohm;
> + }
> +
> + for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
> + if (phy_dq_drv_ohm <= *(*(p_drv + i) + 1)) {
> + phy_dq_drv = **(p_drv + i);
> + break;
> + }
> + if (i == 0)
> + break;
> + }
> + for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
> + if (phy_clk_drv_ohm <= *(*(p_drv + i) + 1)) {
> + phy_clk_drv = **(p_drv + i);
> + break;
> + }
> + if (i == 0)
> + break;
> + }
> + for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
> + if (phy_ca_drv_ohm <= *(*(p_drv + i) + 1)) {
> + phy_ca_drv = **(p_drv + i);
> + break;
> + }
> + if (i == 0)
> + break;
> + }
> + if (!phy_odt_ohm)
> + phy_odt = 0;
> + else
> + for (i = ARRAY_SIZE(d4lp3_phy_odt_2_ohm) - 1; ; i--) {
> + if (phy_odt_ohm <= *(*(p_odt + i) + 1)) {
> + phy_odt = **(p_odt + i);
> + break;
> + }
> + if (i == 0)
> + break;
> + }
> +
> + if (dramtype != LPDDR4) {
> + if (!phy_odt_ohm || (phy_odt_up_en && phy_odt_dn_en))
> + vref_inner = 0x80;
> + else if (phy_odt_up_en)
> + vref_inner = (2 * dram_drv_ohm + phy_odt_ohm) * 128 /
> + (dram_drv_ohm + phy_odt_ohm);
> + else
> + vref_inner = phy_odt_ohm * 128 /
> + (phy_odt_ohm + dram_drv_ohm);
> +
> + if (dramtype != DDR3 && dram_odt_ohm)
> + vref_out = (2 * phy_dq_drv_ohm + dram_odt_ohm) * 128 /
> + (phy_dq_drv_ohm + dram_odt_ohm);
> + else
> + vref_out = 0x80;
> + } else {
> + /* for lp4 and lp4x*/
> + if (phy_odt_ohm)
> + vref_inner =
> + (PHY_LP4_DQ_VREF(lp4_info->vref_when_odten) *
> + 256) / 1000;
> + else
> + vref_inner =
> + (PHY_LP4_DQ_VREF(lp4_info->vref_when_odtoff) *
> + 256) / 1000;
> +
> + vref_out = 0x80;
> + }
> +
> + /* default ZQCALIB bypass mode */
> + clrsetbits_le32(PHY_REG(phy_base, 0x100), 0x1f, phy_ca_drv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x101), 0x1f, phy_ca_drv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x102), 0x1f, phy_clk_drv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x103), 0x1f, phy_clk_drv);
> + if (dramtype == LPDDR4) {
> + clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_clk_drv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_clk_drv);
> + } else {
> + clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_ca_drv);
> + clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_ca_drv);
> + }
> + /* clk / cmd slew rate */
> + clrsetbits_le32(PHY_REG(phy_base, 0x106), 0x1f, sr_clk);
> +
> + phy_lp4_drv_pd_en = (~phy_lp4_drv_pd_en) & 1;
> + if (phy_odt_up_en)
> + phy_odt_up = phy_odt;
> + if (phy_odt_dn_en)
> + phy_odt_dn = phy_odt;
> +
> + for (i = 0; i < 4; i++) {
> + j = 0x110 + i * 0x10;
> + clrsetbits_le32(PHY_REG(phy_base, j + 1), 0x1f, phy_odt_up);
> + clrsetbits_le32(PHY_REG(phy_base, j), 0x1f, phy_odt_dn);
> + clrsetbits_le32(PHY_REG(phy_base, j + 2), 0x1f, phy_dq_drv);
> + clrsetbits_le32(PHY_REG(phy_base, j + 3), 0x1f, phy_dq_drv);
> + writel(vref_inner, PHY_REG(phy_base, 0x118 + i * 0x10));
> +
> + clrsetbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10),
> + 1 << 3, phy_lp4_drv_pd_en << 3);
> + if (dramtype == LPDDR4)
> + clrbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10), BIT(5));
> + /* dq slew rate */
> + clrsetbits_le32(PHY_REG(phy_base, 0x117 + i * 0x10),
> + 0x1f, sr_dq);
> + }
> +
> + /* reg_rx_vref_value_update */
> + setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> +
> + /* RAM VREF */
> + writel(vref_out, PHY_REG(phy_base, 0x105));
> + if (dramtype == LPDDR3)
> + udelay(100);
> +
> + if (dramtype == LPDDR4)
> + set_lp4_vref(dram, lp4_info, freq, dst_fsp, dramtype);
> +
> + if (dramtype == DDR3 || dramtype == DDR4) {
> + mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3);
> + mr1_mr3 = mr1_mr3 >> PCTL2_DDR34_MR1_SHIFT & PCTL2_MR_MASK;
> + } else {
> + mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT4);
> + mr1_mr3 = mr1_mr3 >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK;
> + }
> +
> + if (dramtype == DDR3) {
> + mr1_mr3 &= ~(DDR3_DS_MASK | DDR3_RTT_NOM_MASK);
> + if (dram_drv_ohm == 34)
> + mr1_mr3 |= DDR3_DS_34;
> +
> + if (dram_odt_ohm == 0)
> + mr1_mr3 |= DDR3_RTT_NOM_DIS;
> + else if (dram_odt_ohm <= 40)
> + mr1_mr3 |= DDR3_RTT_NOM_40;
> + else if (dram_odt_ohm <= 60)
> + mr1_mr3 |= DDR3_RTT_NOM_60;
> + else
> + mr1_mr3 |= DDR3_RTT_NOM_120;
> +
> + } else if (dramtype == DDR4) {
> + mr1_mr3 &= ~(DDR4_DS_MASK | DDR4_RTT_NOM_MASK);
> + if (dram_drv_ohm == 48)
> + mr1_mr3 |= DDR4_DS_48;
> +
> + if (dram_odt_ohm == 0)
> + mr1_mr3 |= DDR4_RTT_NOM_DIS;
> + else if (dram_odt_ohm <= 34)
> + mr1_mr3 |= DDR4_RTT_NOM_34;
> + else if (dram_odt_ohm <= 40)
> + mr1_mr3 |= DDR4_RTT_NOM_40;
> + else if (dram_odt_ohm <= 48)
> + mr1_mr3 |= DDR4_RTT_NOM_48;
> + else if (dram_odt_ohm <= 60)
> + mr1_mr3 |= DDR4_RTT_NOM_60;
> + else
> + mr1_mr3 |= DDR4_RTT_NOM_120;
> +
> + } else if (dramtype == LPDDR3) {
> + if (dram_drv_ohm <= 34)
> + mr1_mr3 |= LPDDR3_DS_34;
> + else if (dram_drv_ohm <= 40)
> + mr1_mr3 |= LPDDR3_DS_40;
> + else if (dram_drv_ohm <= 48)
> + mr1_mr3 |= LPDDR3_DS_48;
> + else if (dram_drv_ohm <= 60)
> + mr1_mr3 |= LPDDR3_DS_60;
> + else if (dram_drv_ohm <= 80)
> + mr1_mr3 |= LPDDR3_DS_80;
> +
> + if (dram_odt_ohm == 0)
> + lp3_odt_value = LPDDR3_ODT_DIS;
> + else if (dram_odt_ohm <= 60)
> + lp3_odt_value = LPDDR3_ODT_60;
> + else if (dram_odt_ohm <= 120)
> + lp3_odt_value = LPDDR3_ODT_120;
> + else
> + lp3_odt_value = LPDDR3_ODT_240;
> + } else {/* for lpddr4 and lpddr4x */
> + /* MR3 for lp4 PU-CAL and PDDS */
> + mr1_mr3 &= ~(LPDDR4_PDDS_MASK | LPDDR4_PU_CAL_MASK);
> + mr1_mr3 |= lp4_pu_cal;
> +
> + tmp = lp4_odt_calc(dram_drv_ohm);
> + if (!tmp)
> + tmp = LPDDR4_PDDS_240;
> + mr1_mr3 |= (tmp << LPDDR4_PDDS_SHIFT);
> +
> + /* MR11 for lp4 ca odt, dq odt set */
> + mr11 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6);
> + mr11 = mr11 >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK;
> +
> + mr11 &= ~(LPDDR4_DQODT_MASK | LPDDR4_CAODT_MASK);
> +
> + tmp = lp4_odt_calc(dram_odt_ohm);
> + mr11 |= (tmp << LPDDR4_DQODT_SHIFT);
> +
> + tmp = lp4_odt_calc(dram_caodt_ohm);
> + mr11 |= (tmp << LPDDR4_CAODT_SHIFT);
> + sw_set_req(dram);
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6,
> + PCTL2_MR_MASK << PCTL2_LPDDR4_MR11_SHIFT,
> + mr11 << PCTL2_LPDDR4_MR11_SHIFT);
> + sw_set_ack(dram);
> +
> + /* MR22 for soc odt/odt-ck/odt-cs/odt-ca */
> + mr22 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT7);
> + mr22 = mr22 >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK;
> + mr22 &= ~LPDDR4_SOC_ODT_MASK;
> +
> + tmp = lp4_odt_calc(phy_odt_ohm);
> + mr22 |= tmp;
> + mr22 = mr22 |
> + (LP4_ODTE_CK_EN(lp4_info->cs_drv_ca_odt_info) <<
> + LPDDR4_ODTE_CK_SHIFT) |
> + (LP4_ODTE_CS_EN(lp4_info->cs_drv_ca_odt_info) <<
> + LPDDR4_ODTE_CS_SHIFT) |
> + (LP4_ODTD_CA_EN(lp4_info->cs_drv_ca_odt_info) <<
> + LPDDR4_ODTD_CA_SHIFT);
> +
> + sw_set_req(dram);
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT7,
> + PCTL2_MR_MASK << PCTL2_LPDDR4_MR22_SHIFT,
> + mr22 << PCTL2_LPDDR4_MR22_SHIFT);
> + sw_set_ack(dram);
> + }
> +
> + if (dramtype == DDR4 || dramtype == DDR3) {
> + sw_set_req(dram);
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3,
> + PCTL2_MR_MASK << PCTL2_DDR34_MR1_SHIFT,
> + mr1_mr3 << PCTL2_DDR34_MR1_SHIFT);
> + sw_set_ack(dram);
> + } else {
> + sw_set_req(dram);
> + clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT4,
> + PCTL2_MR_MASK << PCTL2_LPDDR234_MR3_SHIFT,
> + mr1_mr3 << PCTL2_LPDDR234_MR3_SHIFT);
> + sw_set_ack(dram);
> + }
> +}
> +
> +static int sdram_cmd_dq_path_remap(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + void __iomem *phy_base = dram->phy;
> + u32 dramtype = sdram_params->base.dramtype;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct dq_map_info *map_info;
> +
> + map_info = (struct dq_map_info *)((void *)common_info +
> + index->dq_map_index.offset * 4);
> +
> + if (dramtype <= LPDDR4)
> + writel((map_info->byte_map[dramtype / 4] >>
> + ((dramtype % 4) * 8)) & 0xff,
> + PHY_REG(phy_base, 0x4f));
> +
> + return 0;
> +}
> +
> +static void phy_cfg(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + void __iomem *phy_base = dram->phy;
> + u32 i, dq_map, tmp;
> + u32 byte1 = 0, byte0 = 0;
> +
> + sdram_cmd_dq_path_remap(dram, sdram_params);
> +
> + phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 0);
> + for (i = 0; sdram_params->phy_regs.phy[i][0] != 0xFFFFFFFF; i++) {
> + writel(sdram_params->phy_regs.phy[i][1],
> + phy_base + sdram_params->phy_regs.phy[i][0]);
> + }
> +
> + clrbits_le32(PHY_REG(phy_base, 0x62), BIT(5));
> + dq_map = readl(PHY_REG(phy_base, 0x4f));
> + for (i = 0; i < 4; i++) {
> + if (((dq_map >> (i * 2)) & 0x3) == 0)
> + byte0 = i;
> + if (((dq_map >> (i * 2)) & 0x3) == 1)
> + byte1 = i;
> + }
> +
> + tmp = readl(PHY_REG(phy_base, 0xf)) & (~PHY_DQ_WIDTH_MASK);
> + if (cap_info->bw == 2)
> + tmp |= 0xf;
> + else if (cap_info->bw == 1)
> + tmp |= ((1 << byte0) | (1 << byte1));
> + else
> + tmp |= (1 << byte0);
> +
> + writel(tmp, PHY_REG(phy_base, 0xf));
> +
> + /* lpddr4 odt control by phy, enable cs0 odt */
> + if (sdram_params->base.dramtype == LPDDR4)
> + clrsetbits_le32(PHY_REG(phy_base, 0x20), 0x7 << 4,
> + (1 << 6) | (1 << 4));
> + /* for ca training ca vref choose range1 */
> + setbits_le32(PHY_REG(phy_base, 0x1e), BIT(6));
> + setbits_le32(PHY_REG(phy_base, 0x1f), BIT(6));
> + /* for wr training PHY_0x7c[5], choose range0 */
> + clrbits_le32(PHY_REG(phy_base, 0x7c), BIT(5));
> +}
> +
> +static int update_refresh_reg(struct dram_info *dram)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + u32 ret;
> +
> + ret = readl(pctl_base + DDR_PCTL2_RFSHCTL3) ^ (1 << 1);
> + writel(ret, pctl_base + DDR_PCTL2_RFSHCTL3);
> +
> + return 0;
> +}
> +
> +/*
> + * rank = 1: cs0
> + * rank = 2: cs1
> + */
> +int read_mr(struct dram_info *dram, u32 rank, u32 mr_num, u32 dramtype)
> +{
> + u32 ret;
> + u32 i, temp;
> + u32 dqmap;
> +
> + void __iomem *pctl_base = dram->pctl;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct dq_map_info *map_info;
> +
> + map_info = (struct dq_map_info *)((void *)common_info +
> + index->dq_map_index.offset * 4);
> +
> + if (dramtype == LPDDR2)
> + dqmap = map_info->lp2_dq0_7_map;
> + else
> + dqmap = map_info->lp3_dq0_7_map;
> +
> + pctl_read_mr(pctl_base, rank, mr_num);
> +
> + ret = (readl(&dram->ddrgrf->ddr_grf_status[0]) & 0xff);
> +
> + if (dramtype != LPDDR4) {
> + temp = 0;
> + for (i = 0; i < 8; i++) {
> + temp = temp | (((ret >> i) & 0x1) <<
> + ((dqmap >> (i * 4)) & 0xf));
> + }
> + } else {
> + temp = (readl(&dram->ddrgrf->ddr_grf_status[1]) & 0xff);
> + }
> +
> + return temp;
> +}
> +
> +/* before call this function autorefresh should be disabled */
> +void send_a_refresh(struct dram_info *dram)
> +{
> + void __iomem *pctl_base = dram->pctl;
> +
> + while (readl(pctl_base + DDR_PCTL2_DBGSTAT) & 0x3)
> + continue;
> + writel(0x3, pctl_base + DDR_PCTL2_DBGCMD);
> +}
> +
> +static void enter_sr(struct dram_info *dram, u32 en)
> +{
> + void __iomem *pctl_base = dram->pctl;
> +
> + if (en) {
> + setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
> + while (1) {
> + if (((readl(pctl_base + DDR_PCTL2_STAT) &
> + PCTL2_SELFREF_TYPE_MASK) ==
> + PCTL2_SELFREF_TYPE_SR_NOT_AUTO) &&
> + ((readl(pctl_base + DDR_PCTL2_STAT) &
> + PCTL2_OPERATING_MODE_MASK) ==
> + PCTL2_OPERATING_MODE_SR))
> + break;
> + }
> + } else {
> + clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
> + while ((readl(pctl_base + DDR_PCTL2_STAT) &
> + PCTL2_OPERATING_MODE_MASK) == PCTL2_OPERATING_MODE_SR)
> + continue;
> + }
> +}
> +
> +void record_dq_prebit(struct dram_info *dram)
> +{
> + u32 group, i, tmp;
> + void __iomem *phy_base = dram->phy;
> +
> + for (group = 0; group < 4; group++) {
> + for (i = 0; i < ARRAY_SIZE(dq_sel); i++) {
> + /* l_loop_invdelaysel */
> + writel(dq_sel[i][0], PHY_REG(phy_base,
> + grp_addr[group] + 0x2c));
> + tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2e));
> + writel(tmp, PHY_REG(phy_base,
> + grp_addr[group] + dq_sel[i][1]));
> +
> + /* r_loop_invdelaysel */
> + writel(dq_sel[i][0], PHY_REG(phy_base,
> + grp_addr[group] + 0x2d));
> + tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2f));
> + writel(tmp, PHY_REG(phy_base,
> + grp_addr[group] + dq_sel[i][2]));
> + }
> + }
> +}
> +
> +static void update_dq_rx_prebit(struct dram_info *dram)
> +{
> + void __iomem *phy_base = dram->phy;
> +
> + clrsetbits_le32(PHY_REG(phy_base, 0x70), BIT(1) | BIT(6) | BIT(4),
> + BIT(4));
> + udelay(1);
> + clrbits_le32(PHY_REG(phy_base, 0x70), BIT(4));
> +}
> +
> +static void update_dq_tx_prebit(struct dram_info *dram)
> +{
> + void __iomem *phy_base = dram->phy;
> +
> + clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
> + setbits_le32(PHY_REG(phy_base, 0x2), BIT(3));
> + setbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
> + udelay(1);
> + clrbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
> +}
> +
> +static void update_ca_prebit(struct dram_info *dram)
> +{
> + void __iomem *phy_base = dram->phy;
> +
> + clrbits_le32(PHY_REG(phy_base, 0x25), BIT(2));
> + setbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
> + udelay(1);
> + clrbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
> +}
> +
> +/*
> + * dir: 0: de-skew = delta_*
> + * 1: de-skew = reg val - delta_*
> + * delta_dir: value for differential signal: clk/
> + * delta_sig: value for single signal: ca/cmd
> + */
> +static void modify_ca_deskew(struct dram_info *dram, u32 dir, int delta_dif,
> + int delta_sig, u32 cs, u32 dramtype)
> +{
> + void __iomem *phy_base = dram->phy;
> + u32 i, cs_en, tmp;
> + u32 dfi_lp_stat = 0;
> +
> + if (cs == 0)
> + cs_en = 1;
> + else if (cs == 2)
> + cs_en = 2;
> + else
> + cs_en = 3;
> +
> + if (dramtype == LPDDR4 &&
> + ((readl(PHY_REG(phy_base, 0x60)) & BIT(5)) == 0)) {
> + dfi_lp_stat = 1;
> + setbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
> + }
> + enter_sr(dram, 1);
> +
> + for (i = 0; i < 0x20; i++) {
> + if (dir == DESKEW_MDF_ABS_VAL)
> + tmp = delta_sig;
> + else
> + tmp = readl(PHY_REG(phy_base, 0x150 + i)) +
> + delta_sig;
> + writel(tmp, PHY_REG(phy_base, 0x150 + i));
> + }
> +
> + if (dir == DESKEW_MDF_ABS_VAL)
> + tmp = delta_dif;
> + else
> + tmp = readl(PHY_REG(phy_base, 0x150 + 0x17)) -
> + delta_sig + delta_dif;
> + writel(tmp, PHY_REG(phy_base, 0x150 + 0x17));
> + writel(tmp, PHY_REG(phy_base, 0x150 + 0x18));
> + if (dramtype == LPDDR4) {
> + writel(tmp, PHY_REG(phy_base, 0x150 + 0x4));
> + writel(tmp, PHY_REG(phy_base, 0x150 + 0xa));
> +
> + clrbits_le32(PHY_REG(phy_base, 0x10), cs_en << 6);
> + update_ca_prebit(dram);
> + }
> + enter_sr(dram, 0);
> +
> + if (dfi_lp_stat)
> + clrbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
> +}
> +
> +static u32 get_min_value(struct dram_info *dram, u32 signal, u32 rank)
> +{
> + u32 i, j, offset = 0;
> + u32 min = 0x3f;
> + void __iomem *phy_base = dram->phy;
> + u32 byte_en;
> +
> + if (signal == SKEW_TX_SIGNAL)
> + offset = 8;
> +
> + if (signal == SKEW_CA_SIGNAL) {
> + for (i = 0; i < 0x20; i++)
> + min = MIN(min, readl(PHY_REG(phy_base, 0x150 + i)));
> + } else {
> + byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
> + for (j = offset; j < offset + rank * 4; j++) {
> + if (!((byte_en >> (j % 4)) & 1))
> + continue;
> + for (i = 0; i < 11; i++)
> + min = MIN(min,
> + readl(PHY_REG(phy_base,
> + dqs_dq_skew_adr[j] +
> + i)));
> + }
> + }
> +
> + return min;
> +}
> +
> +static u32 low_power_update(struct dram_info *dram, u32 en)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + u32 lp_stat = 0;
> +
> + if (en) {
> + setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, en & 0xf);
> + } else {
> + lp_stat = readl(pctl_base + DDR_PCTL2_PWRCTL) & 0xf;
> + clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 0xf);
> + }
> +
> + return lp_stat;
> +}
> +
> +/*
> + * signal:
> + * dir: 0: de-skew = delta_*
> + * 1: de-skew = reg val - delta_*
> + * delta_dir: value for differential signal: dqs
> + * delta_sig: value for single signal: dq/dm
> + */
> +static void modify_dq_deskew(struct dram_info *dram, u32 signal, u32 dir,
> + int delta_dif, int delta_sig, u32 rank)
> +{
> + void __iomem *phy_base = dram->phy;
> + u32 i, j, tmp, offset;
> + u32 byte_en;
> +
> + byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
> +
> + if (signal == SKEW_RX_SIGNAL)
> + offset = 0;
> + else
> + offset = 8;
> +
> + for (j = offset; j < (offset + rank * 4); j++) {
> + if (!((byte_en >> (j % 4)) & 1))
> + continue;
> + for (i = 0; i < 0x9; i++) {
> + if (dir == DESKEW_MDF_ABS_VAL)
> + tmp = delta_sig;
> + else
> + tmp = delta_sig + readl(PHY_REG(phy_base,
> + dqs_dq_skew_adr[j] +
> + i));
> + writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + i));
> + }
> + if (dir == DESKEW_MDF_ABS_VAL)
> + tmp = delta_dif;
> + else
> + tmp = delta_dif + readl(PHY_REG(phy_base,
> + dqs_dq_skew_adr[j] + 9));
> + writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 9));
> + writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 0xa));
> + }
> + if (signal == SKEW_RX_SIGNAL)
> + update_dq_rx_prebit(dram);
> + else
> + update_dq_tx_prebit(dram);
> +}
> +
> +static int data_training_rg(struct dram_info *dram, u32 cs, u32 dramtype)
> +{
> + void __iomem *phy_base = dram->phy;
> + u32 ret;
> + u32 dis_auto_zq = 0;
> + u32 odt_val_up, odt_val_dn;
> + u32 i, j;
> +
> + odt_val_dn = readl(PHY_REG(phy_base, 0x110));
> + odt_val_up = readl(PHY_REG(phy_base, 0x111));
> +
> + if (dramtype != LPDDR4) {
> + for (i = 0; i < 4; i++) {
> + j = 0x110 + i * 0x10;
> + writel(PHY_DDR4_LPDDR3_RTT_294ohm,
> + PHY_REG(phy_base, j));
> + writel(PHY_DDR4_LPDDR3_RTT_DISABLE,
> + PHY_REG(phy_base, j + 0x1));
> + }
> + }
> + dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
> + /* use normal read mode for data training */
> + clrbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
> +
> + if (dramtype == DDR4)
> + setbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
> +
> + /* choose training cs */
> + clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs));
> + /* enable gate training */
> + clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 1);
> + udelay(50);
> + ret = readl(PHY_REG(phy_base, 0x91));
> + /* disable gate training */
> + clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 0);
> + clrbits_le32(PHY_REG(phy_base, 2), 0x30);
> + pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
> +
> + ret = (ret & 0x2f) ^ (readl(PHY_REG(phy_base, 0xf)) & 0xf);
> +
> + if (dramtype != LPDDR4) {
> + for (i = 0; i < 4; i++) {
> + j = 0x110 + i * 0x10;
> + writel(odt_val_dn, PHY_REG(phy_base, j));
> + writel(odt_val_up, PHY_REG(phy_base, j + 0x1));
> + }
> + }
> + return ret;
> +}
> +
> +static int data_training_wl(struct dram_info *dram, u32 cs, u32 dramtype,
> + u32 rank)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 dis_auto_zq = 0;
> + u32 tmp;
> + u32 cur_fsp;
> + u32 timeout_us = 1000;
> +
> + dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
> +
> + clrbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
> +
> + cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
> + tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_INIT3) &
> + 0xffff;
> + writel(tmp & 0xff, PHY_REG(phy_base, 0x3));
> +
> + /* disable another cs's output */
> + if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
> + pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp | (1 << 12),
> + dramtype);
> + if (dramtype == DDR3 || dramtype == DDR4)
> + writel(0x40 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
> + else
> + writel(0x80 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
> +
> + /* choose cs */
> + clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
> + ((0x2 >> cs) << 6) | (0 << 2));
> + /* enable write leveling */
> + clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
> + ((0x2 >> cs) << 6) | (1 << 2));
> +
> + while (1) {
> + if ((readl(PHY_REG(phy_base, 0x92)) & 0xf) ==
> + (readl(PHY_REG(phy_base, 0xf)) & 0xf))
> + break;
> +
> + udelay(1);
> + if (timeout_us-- == 0) {
> + printascii("error: write leveling timeout\n");
> + while (1)
> + ;
> + }
> + }
> +
> + /* disable write leveling */
> + clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
> + ((0x2 >> cs) << 6) | (0 << 2));
> + clrsetbits_le32(PHY_REG(phy_base, 2), 0x3 << 6, 0 << 6);
> +
> + /* enable another cs's output */
> + if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
> + pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp & ~(1 << 12),
> + dramtype);
> +
> + pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
> +
> + return 0;
> +}
> +
> +char pattern[32] = {
> + 0xaa, 0x55, 0xaa, 0x55, 0x55, 0xaa, 0x55, 0xaa,
> + 0x55, 0xaa, 0x55, 0xaa, 0xaa, 0x55, 0xaa, 0x55,
> + 0x55, 0x55, 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55,
> + 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55, 0xaa, 0xaa
> +};
> +
> +static int data_training_rd(struct dram_info *dram, u32 cs, u32 dramtype,
> + u32 mhz)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 trefi_1x, trfc_1x;
> + u32 dis_auto_zq = 0;
> + u32 timeout_us = 1000;
> + u32 dqs_default;
> + u32 cur_fsp;
> + u32 vref_inner;
> + u32 i;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct dq_map_info *map_info;
> +
> + vref_inner = readl(PHY_REG(phy_base, 0x128)) & 0xff;
> + if (dramtype == DDR3 && vref_inner == 0x80) {
> + for (i = 0; i < 4; i++)
> + writel(vref_inner - 0xa,
> + PHY_REG(phy_base, 0x118 + i * 0x10));
> +
> + /* reg_rx_vref_value_update */
> + setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + }
> +
> + map_info = (struct dq_map_info *)((void *)common_info +
> + index->dq_map_index.offset * 4);
> + /* only 1cs a time, 0:cs0 1 cs1 */
> + if (cs > 1)
> + return -1;
> +
> + dqs_default = 0xf;
> + dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
> +
> + cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
> + /* config refresh timing */
> + trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
> + trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_RFSHTMG) & 0x3ff;
> + /* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
> + clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
> + /* reg_phy_trfc */
> + clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
> + /* reg_max_refi_cnt */
> + clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
> +
> + /* choose training cs */
> + clrsetbits_le32(PHY_REG(phy_base, 0x71), 0x3 << 6, (0x2 >> cs) << 6);
> +
> + /* set dq map for ddr4 */
> + if (dramtype == DDR4) {
> + setbits_le32(PHY_REG(phy_base, 0x70), BIT(7));
> + for (i = 0; i < 4; i++) {
> + writel((map_info->ddr4_dq_map[cs * 2] >>
> + ((i % 4) * 8)) & 0xff,
> + PHY_REG(phy_base, 0x238 + i));
> + writel((map_info->ddr4_dq_map[cs * 2 + 1] >>
> + ((i % 4) * 8)) & 0xff,
> + PHY_REG(phy_base, 0x2b8 + i));
> + }
> + }
> +
> + /* cha_l reg_l_rd_train_dqs_default[5:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x230), 0x3f, dqs_default);
> + /* cha_h reg_h_rd_train_dqs_default[5:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x234), 0x3f, dqs_default);
> + /* chb_l reg_l_rd_train_dqs_default[5:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x2b0), 0x3f, dqs_default);
> + /* chb_h reg_h_rd_train_dqs_default[5:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x2b4), 0x3f, dqs_default);
> +
> + /* Choose the read train auto mode */
> + clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x1);
> + /* Enable the auto train of the read train */
> + clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x3);
> +
> + /* Wait the train done. */
> + while (1) {
> + if ((readl(PHY_REG(phy_base, 0x93)) >> 7) & 0x1)
> + break;
> +
> + udelay(1);
> + if (timeout_us-- == 0) {
> + printascii("error: read training timeout\n");
> + return -1;
> + }
> + }
> +
> + /* Check the read train state */
> + if ((readl(PHY_REG(phy_base, 0x240)) & 0x3) ||
> + (readl(PHY_REG(phy_base, 0x2c0)) & 0x3)) {
> + printascii("error: read training error\n");
> + return -1;
> + }
> +
> + /* Exit the Read Training by setting */
> + clrbits_le32(PHY_REG(phy_base, 0x70), BIT(1));
> +
> + pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
> +
> + if (dramtype == DDR3 && vref_inner == 0x80) {
> + for (i = 0; i < 4; i++)
> + writel(vref_inner,
> + PHY_REG(phy_base, 0x118 + i * 0x10));
> +
> + /* reg_rx_vref_value_update */
> + setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + }
> +
> + return 0;
> +}
> +
> +static int data_training_wr(struct dram_info *dram, u32 cs, u32 dramtype,
> + u32 mhz, u32 dst_fsp)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 trefi_1x, trfc_1x;
> + u32 dis_auto_zq = 0;
> + u32 timeout_us = 1000;
> + u32 cur_fsp;
> + u32 mr_tmp, cl, cwl, phy_fsp, offset = 0;
> +
> + if (dramtype == LPDDR3 && mhz <= 400) {
> + phy_fsp = (readl(PHY_REG(phy_base, 0xc)) >> 0x2) & 0x3;
> + offset = (phy_fsp == 0) ? 0x5 : 0x387 + (phy_fsp - 1) * 3;
> + cl = readl(PHY_REG(phy_base, offset));
> + cwl = readl(PHY_REG(phy_base, offset + 2));
> +
> + clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, 0x8);
> + clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, 0x4);
> + pctl_write_mr(dram->pctl, 3, 2, 0x6, dramtype);
> + }
> +
> + dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
> +
> + /* PHY_0x7b[7:0] reg_train_col_addr[7:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7b), 0xff, 0x0);
> + /* PHY_0x7c[4:2] reg_train_ba_addr[2:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x7 << 2, 0x0 << 2);
> + /* PHY_0x7c[1:0] reg_train_col_addr[9:8] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3, 0x0);
> + /* PHY_0x7d[7:0] reg_train_row_addr[7:0] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7d), 0xff, 0x0);
> + /* PHY_0x7e[7:0] reg_train_row_addr[15:8] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7e), 0xff, 0x0);
> +
> + /* PHY_0x71[3] wrtrain_check_data_value_random_gen */
> + clrbits_le32(PHY_REG(phy_base, 0x71), BIT(3));
> +
> + /* config refresh timing */
> + cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
> + trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
> + trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_RFSHTMG) & 0x3ff;
> + /* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
> + clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
> + clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
> + /* reg_phy_trfc */
> + clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
> + /* reg_max_refi_cnt */
> + clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
> +
> + /* choose training cs */
> + clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3 << 6, (0x2 >> cs) << 6);
> +
> + /* PHY_0x7a [4] reg_wr_train_dqs_default_bypass */
> + /* 0: Use the write-leveling value. */
> + /* 1: use reg0x233 0x237 0x2b3 0x2b7 */
> + setbits_le32(PHY_REG(phy_base, 0x7a), BIT(4));
> +
> + /* PHY_0x7a [0] reg_dq_wr_train_auto */
> + setbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
> +
> + /* PHY_0x7a [1] reg_dq_wr_train_en */
> + setbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
> +
> + send_a_refresh(dram);
> +
> + while (1) {
> + if ((readl(PHY_REG(phy_base, 0x92)) >> 7) & 0x1)
> + break;
> +
> + udelay(1);
> + if (timeout_us-- == 0) {
> + printascii("error: write training timeout\n");
> + while (1)
> + ;
> + }
> + }
> +
> + /* Check the write train state */
> + if ((readl(PHY_REG(phy_base, 0x90)) >> 5) & 0x7) {
> + printascii("error: write training error\n");
> + return -1;
> + }
> +
> + /* PHY_0x7a [1] reg_dq_wr_train_en */
> + clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
> +
> + pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
> +
> + /* save LPDDR4 write vref to fsp_param for dfs */
> + if (dramtype == LPDDR4) {
> + fsp_param[dst_fsp].vref_dq[cs] =
> + ((readl(PHY_REG(phy_base, 0x384)) & 0x3f) +
> + (readl(PHY_REG(phy_base, 0x385)) & 0x3f)) / 2;
> + /* add range info */
> + fsp_param[dst_fsp].vref_dq[cs] |=
> + ((readl(PHY_REG(phy_base, 0x7c)) & BIT(5)) << 1);
> + }
> +
> + if (dramtype == LPDDR3 && mhz <= 400) {
> + clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, cl);
> + clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, cwl);
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_INIT3);
> + pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
> + dramtype);
> + }
> +
> + return 0;
> +}
> +
> +static int data_training(struct dram_info *dram, u32 cs,
> + struct rv1126_sdram_params *sdram_params, u32 dst_fsp,
> + u32 training_flag)
> +{
> + u32 ret = 0;
> +
> + if (training_flag == FULL_TRAINING)
> + training_flag = READ_GATE_TRAINING | WRITE_LEVELING |
> + WRITE_TRAINING | READ_TRAINING;
> +
> + if ((training_flag & WRITE_LEVELING) == WRITE_LEVELING) {
> + ret = data_training_wl(dram, cs,
> + sdram_params->base.dramtype,
> + sdram_params->ch.cap_info.rank);
> + if (ret != 0)
> + goto out;
> + }
> +
> + if ((training_flag & READ_GATE_TRAINING) == READ_GATE_TRAINING) {
> + ret = data_training_rg(dram, cs,
> + sdram_params->base.dramtype);
> + if (ret != 0)
> + goto out;
> + }
> +
> + if ((training_flag & READ_TRAINING) == READ_TRAINING) {
> + ret = data_training_rd(dram, cs,
> + sdram_params->base.dramtype,
> + sdram_params->base.ddr_freq);
> + if (ret != 0)
> + goto out;
> + }
> +
> + if ((training_flag & WRITE_TRAINING) == WRITE_TRAINING) {
> + ret = data_training_wr(dram, cs,
> + sdram_params->base.dramtype,
> + sdram_params->base.ddr_freq, dst_fsp);
> + if (ret != 0)
> + goto out;
> + }
> +
> +out:
> + return ret;
> +}
> +
> +static int get_wrlvl_val(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + int i, j, clk_skew;
> + void __iomem *phy_base = dram->phy;
> + u32 lp_stat;
> + int ret;
> +
> + lp_stat = low_power_update(dram, 0);
> +
> + clk_skew = 0x1f;
> + modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, clk_skew, 3,
> + sdram_params->base.dramtype);
> +
> + ret = data_training(dram, 0, sdram_params, 0, WRITE_LEVELING);
> + if (sdram_params->ch.cap_info.rank == 2)
> + ret |= data_training(dram, 1, sdram_params, 0, WRITE_LEVELING);
> +
> + for (j = 0; j < 2; j++)
> + for (i = 0; i < 4; i++)
> + wrlvl_result[j][i] =
> + (readl(PHY_REG(phy_base, wrlvl_result_offset[j][i])) & 0x3f) -
> + clk_skew;
> +
> + low_power_update(dram, lp_stat);
> +
> + return ret;
> +}
> +
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> +static void init_rw_trn_result_struct(struct rw_trn_result *result,
> + void __iomem *phy_base, u8 cs_num)
> +{
> + int i;
> +
> + result->cs_num = cs_num;
> + result->byte_en = readb(PHY_REG(dram_info.phy, 0xf)) &
> + PHY_DQ_WIDTH_MASK;
> + for (i = 0; i < FSP_NUM; i++)
> + result->fsp_mhz[i] = 0;
> +}
> +
> +static void save_rw_trn_min_max(void __iomem *phy_base,
> + struct cs_rw_trn_result *rd_result,
> + struct cs_rw_trn_result *wr_result,
> + u8 byte_en)
> +{
> + u16 phy_ofs;
> + u8 dqs;
> + u8 dq;
> +
> + for (dqs = 0; dqs < BYTE_NUM; dqs++) {
> + if ((byte_en & BIT(dqs)) == 0)
> + continue;
> +
> + /* Channel A or B (low or high 16 bit) */
> + phy_ofs = dqs < 2 ? 0x230 : 0x2b0;
> + /* low or high 8 bit */
> + phy_ofs += (dqs & 0x1) == 0 ? 0 : 0x9;
> + for (dq = 0; dq < 8; dq++) {
> + rd_result->dqs[dqs].dq_min[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x15 + dq));
> + rd_result->dqs[dqs].dq_max[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x27 + dq));
> + wr_result->dqs[dqs].dq_min[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x3d + dq));
> + wr_result->dqs[dqs].dq_max[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x4f + dq));
> + }
> + }
> +}
> +
> +static void save_rw_trn_deskew(void __iomem *phy_base,
> + struct fsp_rw_trn_result *result, u8 cs_num,
> + int min_val, bool rw)
> +{
> + u16 phy_ofs;
> + u8 cs;
> + u8 dq;
> +
> + result->min_val = min_val;
> +
> + for (cs = 0; cs < cs_num; cs++) {
> + phy_ofs = cs == 0 ? 0x170 : 0x1a0;
> + phy_ofs += rw == SKEW_RX_SIGNAL ? 0x1 : 0x17;
> + for (dq = 0; dq < 8; dq++) {
> + result->cs[cs].dqs[0].dq_deskew[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + dq));
> + result->cs[cs].dqs[1].dq_deskew[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0xb + dq));
> + result->cs[cs].dqs[2].dq_deskew[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x60 + dq));
> + result->cs[cs].dqs[3].dq_deskew[dq] =
> + readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + dq));
> + }
> +
> + result->cs[cs].dqs[0].dqs_deskew =
> + readb(PHY_REG(phy_base, phy_ofs + 0x8));
> + result->cs[cs].dqs[1].dqs_deskew =
> + readb(PHY_REG(phy_base, phy_ofs + 0xb + 0x8));
> + result->cs[cs].dqs[2].dqs_deskew =
> + readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0x8));
> + result->cs[cs].dqs[3].dqs_deskew =
> + readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + 0x8));
> + }
> +}
> +
> +static void save_rw_trn_result_to_ddr(struct rw_trn_result *result)
> +{
> + result->flag = DDR_DQ_EYE_FLAG;
> + memcpy((void *)(RW_TRN_RESULT_ADDR), result, sizeof(*result));
> +}
> +#endif
> +
> +static int high_freq_training(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params,
> + u32 fsp)
> +{
> + u32 i, j;
> + void __iomem *phy_base = dram->phy;
> + u32 dramtype = sdram_params->base.dramtype;
> + int min_val;
> + int dqs_skew, clk_skew, ca_skew;
> + u8 byte_en;
> + int ret;
> +
> + byte_en = readl(PHY_REG(phy_base, 0xf)) & PHY_DQ_WIDTH_MASK;
> + dqs_skew = 0;
> + for (j = 0; j < sdram_params->ch.cap_info.rank; j++) {
> + for (i = 0; i < ARRAY_SIZE(wrlvl_result[0]); i++) {
> + if ((byte_en & BIT(i)) != 0)
> + dqs_skew += wrlvl_result[j][i];
> + }
> + }
> + dqs_skew = dqs_skew /
> + (int)(sdram_params->ch.cap_info.rank * (1 << sdram_params->ch.cap_info.bw));
> +
> + clk_skew = 0x20 - dqs_skew;
> + dqs_skew = 0x20;
> +
> + if (dramtype == LPDDR4) {
> + min_val = 0xff;
> + for (j = 0; j < sdram_params->ch.cap_info.rank; j++)
> + for (i = 0; i < sdram_params->ch.cap_info.bw; i++)
> + min_val = MIN(wrlvl_result[j][i], min_val);
> +
> + if (min_val < 0) {
> + clk_skew = -min_val;
> + ca_skew = -min_val;
> + } else {
> + clk_skew = 0;
> + ca_skew = 0;
> + }
> + } else if (dramtype == LPDDR3) {
> + ca_skew = clk_skew - 4;
> + } else {
> + ca_skew = clk_skew;
> + }
> + modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, ca_skew, 3,
> + dramtype);
> +
> + writel(wrlvl_result[0][0] + clk_skew, PHY_REG(phy_base, 0x233));
> + writel(wrlvl_result[0][1] + clk_skew, PHY_REG(phy_base, 0x237));
> + writel(wrlvl_result[0][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
> + writel(wrlvl_result[0][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
> + ret = data_training(dram, 0, sdram_params, fsp, READ_GATE_TRAINING |
> + READ_TRAINING | WRITE_TRAINING);
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + rw_trn_result.fsp_mhz[fsp] = (u16)sdram_params->base.ddr_freq;
> + save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[0],
> + &rw_trn_result.wr_fsp[fsp].cs[0],
> + rw_trn_result.byte_en);
> +#endif
> + if (sdram_params->ch.cap_info.rank == 2) {
> + writel(wrlvl_result[1][0] + clk_skew, PHY_REG(phy_base, 0x233));
> + writel(wrlvl_result[1][1] + clk_skew, PHY_REG(phy_base, 0x237));
> + writel(wrlvl_result[1][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
> + writel(wrlvl_result[1][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
> + ret |= data_training(dram, 1, sdram_params, fsp,
> + READ_GATE_TRAINING | READ_TRAINING |
> + WRITE_TRAINING);
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[1],
> + &rw_trn_result.wr_fsp[fsp].cs[1],
> + rw_trn_result.byte_en);
> +#endif
> + }
> + if (ret)
> + goto out;
> +
> + record_dq_prebit(dram);
> +
> + min_val = get_min_value(dram, SKEW_RX_SIGNAL,
> + sdram_params->ch.cap_info.rank) * -1;
> + modify_dq_deskew(dram, SKEW_RX_SIGNAL, DESKEW_MDF_DIFF_VAL,
> + min_val, min_val, sdram_params->ch.cap_info.rank);
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + save_rw_trn_deskew(phy_base, &rw_trn_result.rd_fsp[fsp],
> + rw_trn_result.cs_num, (u8)(min_val * (-1)),
> + SKEW_RX_SIGNAL);
> +#endif
> +
> + min_val = MIN(get_min_value(dram, SKEW_TX_SIGNAL,
> + sdram_params->ch.cap_info.rank),
> + get_min_value(dram, SKEW_CA_SIGNAL,
> + sdram_params->ch.cap_info.rank)) * -1;
> +
> + /* clk = 0, rx all skew -7, tx - min_value */
> + modify_ca_deskew(dram, DESKEW_MDF_DIFF_VAL, min_val, min_val, 3,
> + dramtype);
> +
> + modify_dq_deskew(dram, SKEW_TX_SIGNAL, DESKEW_MDF_DIFF_VAL,
> + min_val, min_val, sdram_params->ch.cap_info.rank);
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + save_rw_trn_deskew(phy_base, &rw_trn_result.wr_fsp[fsp],
> + rw_trn_result.cs_num, (u8)(min_val * (-1)),
> + SKEW_TX_SIGNAL);
> +#endif
> +
> + ret = data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING);
> + if (sdram_params->ch.cap_info.rank == 2)
> + ret |= data_training(dram, 1, sdram_params, 0,
> + READ_GATE_TRAINING);
> +out:
> + return ret;
> +}
> +
> +static void set_ddrconfig(struct dram_info *dram, u32 ddrconfig)
> +{
> + writel(ddrconfig, &dram->msch->deviceconf);
> + clrsetbits_le32(&dram->grf->noc_con0, 0x3 << 0, 0 << 0);
> +}
> +
> +static void update_noc_timing(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + u32 bw, bl;
> +
> + bw = 8 << sdram_params->ch.cap_info.bw;
> + bl = ((readl(pctl_base + DDR_PCTL2_MSTR) >> 16) & 0xf) * 2;
> +
> + /* update the noc timing related to data bus width */
> + if ((bw / 8 * bl) <= 16)
> + sdram_params->ch.noc_timings.ddrmode.b.burstsize = 0;
> + else if ((bw / 8 * bl) == 32)
> + sdram_params->ch.noc_timings.ddrmode.b.burstsize = 1;
> + else if ((bw / 8 * bl) == 64)
> + sdram_params->ch.noc_timings.ddrmode.b.burstsize = 2;
> + else
> + sdram_params->ch.noc_timings.ddrmode.b.burstsize = 3;
> +
> + sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty =
> + (bl * bw / 8) > 16 ? (bl / 4) : (16 / (bl * bw / 8)) * bl / 4;
> +
> + if (sdram_params->base.dramtype == LPDDR4) {
> + sdram_params->ch.noc_timings.ddrmode.b.mwrsize =
> + (bw == 16) ? 0x1 : 0x2;
> + sdram_params->ch.noc_timings.ddrtimingc0.b.wrtomwr =
> + 3 * sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty;
> + }
> +
> + writel(sdram_params->ch.noc_timings.ddrtiminga0.d32,
> + &dram->msch->ddrtiminga0);
> + writel(sdram_params->ch.noc_timings.ddrtimingb0.d32,
> + &dram->msch->ddrtimingb0);
> + writel(sdram_params->ch.noc_timings.ddrtimingc0.d32,
> + &dram->msch->ddrtimingc0);
> + writel(sdram_params->ch.noc_timings.devtodev0.d32,
> + &dram->msch->devtodev0);
> + writel(sdram_params->ch.noc_timings.ddrmode.d32, &dram->msch->ddrmode);
> + writel(sdram_params->ch.noc_timings.ddr4timing.d32,
> + &dram->msch->ddr4timing);
> +}
> +
> +static int split_setup(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + u32 dramtype = sdram_params->base.dramtype;
> + u32 split_size, split_mode;
> + u64 cs_cap[2], cap;
> +
> + cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dramtype);
> + cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dramtype);
> + /* only support the larger cap is in low 16bit */
> + if (cap_info->cs0_high16bit_row < cap_info->cs0_row) {
> + cap = cs_cap[0] / (1 << (cap_info->cs0_row -
> + cap_info->cs0_high16bit_row));
> + } else if ((cap_info->cs1_high16bit_row < cap_info->cs1_row) &&
> + (cap_info->rank == 2)) {
> + if (!cap_info->cs1_high16bit_row)
> + cap = cs_cap[0];
> + else
> + cap = cs_cap[0] + cs_cap[1] / (1 << (cap_info->cs1_row -
> + cap_info->cs1_high16bit_row));
> + } else {
> + goto out;
> + }
> + split_size = (u32)(cap >> 24) & SPLIT_SIZE_MASK;
> + if (cap_info->bw == 2)
> + split_mode = SPLIT_MODE_32_L16_VALID;
> + else
> + split_mode = SPLIT_MODE_16_L8_VALID;
> +
> + rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
> + (SPLIT_MODE_MASK << SPLIT_MODE_OFFSET) |
> + (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
> + (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
> + (split_mode << SPLIT_MODE_OFFSET) |
> + (0x0 << SPLIT_BYPASS_OFFSET) |
> + (split_size << SPLIT_SIZE_OFFSET));
> +
> + rk_clrsetreg(BUS_SGRF_BASE_ADDR + SGRF_SOC_CON2,
> + MSCH_AXI_BYPASS_ALL_MASK << MSCH_AXI_BYPASS_ALL_SHIFT,
> + 0x0 << MSCH_AXI_BYPASS_ALL_SHIFT);
> +
> +out:
> + return 0;
> +}
> +
> +static void split_bypass(struct dram_info *dram)
> +{
> + if ((readl(&dram->ddrgrf->grf_ddrsplit_con) &
> + (1 << SPLIT_BYPASS_OFFSET)) != 0)
> + return;
> +
> + /* bypass split */
> + rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
> + (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
> + (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
> + (0x1 << SPLIT_BYPASS_OFFSET) |
> + (0x0 << SPLIT_SIZE_OFFSET));
> +}
> +
> +static void dram_all_config(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + u32 dram_type = sdram_params->base.dramtype;
> + void __iomem *pctl_base = dram->pctl;
> + u32 sys_reg2 = 0;
> + u32 sys_reg3 = 0;
> + u64 cs_cap[2];
> + u32 cs_pst;
> +
> + set_ddrconfig(dram, cap_info->ddrconfig);
> + sdram_org_config(cap_info, &sdram_params->base, &sys_reg2,
> + &sys_reg3, 0);
> + writel(sys_reg2, &dram->pmugrf->os_reg[2]);
> + writel(sys_reg3, &dram->pmugrf->os_reg[3]);
> +
> + cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dram_type);
> + cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dram_type);
> +
> + if (cap_info->rank == 2) {
> + cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
> + 6 + 2;
> + if (cs_pst > 28)
> + cs_cap[0] = 1llu << cs_pst;
> + }
> +
> + writel(((((cs_cap[1] >> 20) / 64) & 0xff) << 8) |
> + (((cs_cap[0] >> 20) / 64) & 0xff),
> + &dram->msch->devicesize);
> + update_noc_timing(dram, sdram_params);
> +}
> +
> +static void enable_low_power(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + u32 grf_lp_con;
> +
> + writel(0x1f1f0617, &dram->ddrgrf->ddr_grf_con[1]);
> +
> + if (sdram_params->base.dramtype == DDR4)
> + grf_lp_con = (0x7 << 16) | (1 << 1);
> + else if (sdram_params->base.dramtype == DDR3)
> + grf_lp_con = (0x7 << 16) | (1 << 0);
> + else
> + grf_lp_con = (0x7 << 16) | (1 << 2);
> +
> + /* en lpckdis_en */
> + grf_lp_con = grf_lp_con | (0x1 << (9 + 16)) | (0x1 << 9);
> + writel(grf_lp_con, &dram->ddrgrf->ddr_grf_lp_con);
> +
> + /* enable sr, pd */
> + if (dram->pd_idle == 0)
> + clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
> + else
> + setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
> + if (dram->sr_idle == 0)
> + clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
> + else
> + setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
> + setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 3));
> +}
> +
> +static void print_ddr_info(struct rv1126_sdram_params *sdram_params)
> +{
> + u32 split;
> +
> + if ((readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
> + (1 << SPLIT_BYPASS_OFFSET)) != 0)
> + split = 0;
> + else
> + split = readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
> + SPLIT_SIZE_MASK;
> +
> + sdram_print_ddr_info(&sdram_params->ch.cap_info,
> + &sdram_params->base, split);
> +}
> +
> +static int sdram_init_(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params, u32 post_init)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 ddr4_vref;
> + u32 mr_tmp;
> +
> + rkclk_configure_ddr(dram, sdram_params);
> +
> + rkclk_ddr_reset(dram, 1, 1, 1, 1);
> + udelay(10);
> +
> + rkclk_ddr_reset(dram, 1, 1, 1, 0);
> + phy_cfg(dram, sdram_params);
> +
> + rkclk_ddr_reset(dram, 1, 1, 0, 0);
> + phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 1);
> +
> + rkclk_ddr_reset(dram, 1, 0, 0, 0);
> + pctl_cfg(dram->pctl, &sdram_params->pctl_regs,
> + dram->sr_idle, dram->pd_idle);
> +
> + if (sdram_params->ch.cap_info.bw == 2) {
> + /* 32bit interface use pageclose */
> + setbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
> + /* pageclose = 1, pageclose_timer = 0 will err in lp4 328MHz */
> + clrsetbits_le32(pctl_base + DDR_PCTL2_SCHED1, 0xff, 0x1 << 0);
> + } else {
> + clrbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
> + }
> +
> +#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
> + u32 tmp, trefi;
> +
> + tmp = readl(pctl_base + DDR_PCTL2_RFSHTMG);
> + trefi = (tmp >> 16) & 0xfff;
> + writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
> + pctl_base + DDR_PCTL2_RFSHTMG);
> +#endif
> +
> + /* set frequency_mode */
> + setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
> + /* set target_frequency to Frequency 0 */
> + clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, 0);
> +
> + set_ds_odt(dram, sdram_params, 0);
> + sdram_params->ch.cap_info.ddrconfig = calculate_ddrconfig(sdram_params);
> + set_ctl_address_map(dram, sdram_params);
> +
> + setbits_le32(pctl_base + DDR_PCTL2_DFIMISC, (1 << 5) | (1 << 4));
> +
> + rkclk_ddr_reset(dram, 0, 0, 0, 0);
> +
> + while ((readl(pctl_base + DDR_PCTL2_STAT) & 0x7) == 0)
> + continue;
> +
> + if (sdram_params->base.dramtype == LPDDR3) {
> + pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, LPDDR3);
> + } else if (sdram_params->base.dramtype == LPDDR4) {
> + mr_tmp = readl(pctl_base + DDR_PCTL2_INIT6);
> + /* MR11 */
> + pctl_write_mr(dram->pctl, 3, 11,
> + mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
> + LPDDR4);
> + /* MR12 */
> + pctl_write_mr(dram->pctl, 3, 12,
> + mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
> + LPDDR4);
> +
> + mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
> + /* MR22 */
> + pctl_write_mr(dram->pctl, 3, 22,
> + mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
> + LPDDR4);
> + }
> +
> + if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) != 0) {
> + if (post_init != 0)
> + printascii("DTT cs0 error\n");
> + return -1;
> + }
> +
> + if (sdram_params->base.dramtype == LPDDR4) {
> + mr_tmp = read_mr(dram, 1, 14, LPDDR4);
> +
> + if (mr_tmp != 0x4d)
> + return -1;
> + }
> +
> + if (sdram_params->base.dramtype == LPDDR4) {
> + mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
> + /* MR14 */
> + pctl_write_mr(dram->pctl, 3, 14,
> + mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
> + LPDDR4);
> + }
> + if (post_init != 0 && sdram_params->ch.cap_info.rank == 2) {
> + if (data_training(dram, 1, sdram_params, 0,
> + READ_GATE_TRAINING) != 0) {
> + printascii("DTT cs1 error\n");
> + return -1;
> + }
> + }
> +
> + if (sdram_params->base.dramtype == DDR4) {
> + ddr4_vref = readl(PHY_REG(phy_base, 0x105)) * 39;
> + pctl_write_vrefdq(dram->pctl, 0x3, ddr4_vref,
> + sdram_params->base.dramtype);
> + }
> +
> + dram_all_config(dram, sdram_params);
> + enable_low_power(dram, sdram_params);
> +
> + return 0;
> +}
> +
> +static u64 dram_detect_cap(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params,
> + unsigned char channel)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 mr8;
> +
> + u32 bktmp;
> + u32 coltmp;
> + u32 rowtmp;
> + u32 cs;
> + u32 dram_type = sdram_params->base.dramtype;
> + u32 pwrctl;
> + u32 i, dq_map;
> + u32 byte1 = 0, byte0 = 0;
> + u32 tmp, byte;
> + struct sdram_head_info_index_v2 *index = (struct sdram_head_info_index_v2 *)common_info;
> + struct dq_map_info *map_info = (struct dq_map_info *)
> + ((void *)common_info + index->dq_map_index.offset * 4);
> +
> + cap_info->bw = dram_type == DDR3 ? 0 : 1;
> + if (dram_type != LPDDR4) {
> + if (dram_type != DDR4) {
> + coltmp = 12;
> + bktmp = 3;
> + if (dram_type == LPDDR2)
> + rowtmp = 15;
> + else
> + rowtmp = 16;
> +
> + if (sdram_detect_col(cap_info, coltmp) != 0)
> + goto cap_err;
> +
> + sdram_detect_bank(cap_info, coltmp, bktmp);
> + if (dram_type != LPDDR3)
> + sdram_detect_dbw(cap_info, dram_type);
> + } else {
> + coltmp = 10;
> + bktmp = 4;
> + rowtmp = 17;
> +
> + cap_info->col = 10;
> + cap_info->bk = 2;
> + sdram_detect_bg(cap_info, coltmp);
> + }
> +
> + if (sdram_detect_row(cap_info, coltmp, bktmp, rowtmp) != 0)
> + goto cap_err;
> +
> + sdram_detect_row_3_4(cap_info, coltmp, bktmp);
> + } else {
> + cap_info->col = 10;
> + cap_info->bk = 3;
> + mr8 = read_mr(dram, 1, 8, dram_type);
> + cap_info->dbw = ((mr8 >> 6) & 0x3) == 0 ? 1 : 0;
> + mr8 = (mr8 >> 2) & 0xf;
> + if (mr8 >= 0 && mr8 <= 6) {
> + cap_info->cs0_row = 14 + (mr8 + 1) / 2;
> + } else if (mr8 == 0xc) {
> + cap_info->cs0_row = 13;
> + } else {
> + printascii("Cap ERR: Fail to get cap of LPDDR4/X from MR8\n");
> + goto cap_err;
> + }
> + if (cap_info->dbw == 0)
> + cap_info->cs0_row++;
> + cap_info->row_3_4 = mr8 % 2 == 1 ? 1 : 0;
> + if (cap_info->cs0_row >= 17) {
> + printascii("Cap ERR: ");
> + printascii("RV1126 LPDDR4/X cannot support row >= 17\n");
> + goto cap_err;
> + // cap_info->cs0_row = 16;
> + // cap_info->row_3_4 = 0;
> + }
> + }
> +
> + pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
> + writel(0, pctl_base + DDR_PCTL2_PWRCTL);
> +
> + if (data_training(dram, 1, sdram_params, 0, READ_GATE_TRAINING) == 0)
> + cs = 1;
> + else
> + cs = 0;
> + cap_info->rank = cs + 1;
> +
> + setbits_le32(PHY_REG(phy_base, 0xf), 0xf);
> +
> + tmp = data_training_rg(dram, 0, dram_type) & 0xf;
> +
> + if (tmp == 0) {
> + cap_info->bw = 2;
> + } else {
> + if (dram_type == DDR3 || dram_type == DDR4) {
> + dq_map = 0;
> + byte = 0;
> + for (i = 0; i < 4; i++) {
> + if ((tmp & BIT(i)) == 0) {
> + dq_map |= byte << (i * 2);
> + byte++;
> + }
> + }
> + cap_info->bw = byte / 2;
> + for (i = 0; i < 4; i++) {
> + if ((tmp & BIT(i)) != 0) {
> + dq_map |= byte << (i * 2);
> + byte++;
> + }
> + }
> + clrsetbits_le32(&map_info->byte_map[0], 0xff << 24, dq_map << 24);
> + } else {
> + dq_map = readl(PHY_REG(phy_base, 0x4f));
> + for (i = 0; i < 4; i++) {
> + if (((dq_map >> (i * 2)) & 0x3) == 0)
> + byte0 = i;
> + if (((dq_map >> (i * 2)) & 0x3) == 1)
> + byte1 = i;
> + }
> + clrsetbits_le32(PHY_REG(phy_base, 0xf), PHY_DQ_WIDTH_MASK,
> + BIT(byte0) | BIT(byte1));
> + if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) == 0)
> + cap_info->bw = 1;
> + else
> + cap_info->bw = 0;
> + }
> + }
> + if (cap_info->bw > 0)
> + cap_info->dbw = 1;
> +
> + writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
> +
> + cap_info->cs0_high16bit_row = cap_info->cs0_row;
> + if (cs) {
> + cap_info->cs1_row = cap_info->cs0_row;
> + cap_info->cs1_high16bit_row = cap_info->cs0_row;
> + } else {
> + cap_info->cs1_row = 0;
> + cap_info->cs1_high16bit_row = 0;
> + }
> +
> + if (dram_type == LPDDR3)
> + sdram_detect_dbw(cap_info, dram_type);
> +
> + return 0;
> +cap_err:
> + return -1;
> +}
> +
> +static int dram_detect_cs1_row(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params,
> + unsigned char channel)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + void __iomem *pctl_base = dram->pctl;
> + u32 ret = 0;
> + void __iomem *test_addr;
> + u32 row, bktmp, coltmp, bw;
> + u64 cs0_cap;
> + u32 byte_mask;
> + u32 cs_pst;
> + u32 cs_add = 0;
> + u32 max_row;
> +
> + if (cap_info->rank == 2) {
> + cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
> + 6 + 2;
> + if (cs_pst < 28)
> + cs_add = 1;
> +
> + cs0_cap = 1 << cs_pst;
> +
> + if (sdram_params->base.dramtype == DDR4) {
> + if (cap_info->dbw == 0)
> + bktmp = cap_info->bk + 2;
> + else
> + bktmp = cap_info->bk + 1;
> + } else {
> + bktmp = cap_info->bk;
> + }
> + bw = cap_info->bw;
> + coltmp = cap_info->col;
> +
> + if (bw == 2)
> + byte_mask = 0xFFFF;
> + else
> + byte_mask = 0xFF;
> +
> + max_row = (cs_pst == 31) ? 30 : 31;
> +
> + max_row = max_row - bktmp - coltmp - bw - cs_add + 1;
> +
> + row = (cap_info->cs0_row > max_row) ? max_row :
> + cap_info->cs0_row;
> +
> + for (; row > 12; row--) {
> + test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
> + (u32)cs0_cap +
> + (1ul << (row + bktmp + coltmp +
> + cs_add + bw - 1ul)));
> +
> + writel(0, CONFIG_SYS_SDRAM_BASE + (u32)cs0_cap);
> + writel(PATTERN, test_addr);
> +
> + if (((readl(test_addr) & byte_mask) ==
> + (PATTERN & byte_mask)) &&
> + ((readl(CONFIG_SYS_SDRAM_BASE + (u32)cs0_cap) &
> + byte_mask) == 0)) {
> + ret = row;
> + break;
> + }
> + }
> + }
> +
> + return ret;
> +}
> +
> +/* return: 0 = success, other = fail */
> +static int sdram_init_detect(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
> + u32 ret;
> + u32 sys_reg = 0;
> + u32 sys_reg3 = 0;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct dq_map_info *map_info;
> +
> + map_info = (struct dq_map_info *)((void *)common_info +
> + index->dq_map_index.offset * 4);
> +
> + if (sdram_init_(dram, sdram_params, 0)) {
> + if (sdram_params->base.dramtype == DDR3) {
> + clrsetbits_le32(&map_info->byte_map[0], 0xff << 24,
> + ((0x1 << 6) | (0x3 << 4) | (0x2 << 2) |
> + (0x0 << 0)) << 24);
> + if (sdram_init_(dram, sdram_params, 0))
> + return -1;
> + } else {
> + return -1;
> + }
> + }
> +
> + if (sdram_params->base.dramtype == DDR3) {
> + writel(PATTERN, CONFIG_SYS_SDRAM_BASE);
> + if (readl(CONFIG_SYS_SDRAM_BASE) != PATTERN)
> + return -1;
> + }
> +
> + split_bypass(dram);
> + if (dram_detect_cap(dram, sdram_params, 0) != 0)
> + return -1;
> +
> + pctl_remodify_sdram_params(&sdram_params->pctl_regs, cap_info,
> + sdram_params->base.dramtype);
> + ret = sdram_init_(dram, sdram_params, 1);
> + if (ret != 0)
> + goto out;
> +
> + cap_info->cs1_row =
> + dram_detect_cs1_row(dram, sdram_params, 0);
> + if (cap_info->cs1_row) {
> + sys_reg = readl(&dram->pmugrf->os_reg[2]);
> + sys_reg3 = readl(&dram->pmugrf->os_reg[3]);
> + SYS_REG_ENC_CS1_ROW(cap_info->cs1_row,
> + sys_reg, sys_reg3, 0);
> + writel(sys_reg, &dram->pmugrf->os_reg[2]);
> + writel(sys_reg3, &dram->pmugrf->os_reg[3]);
> + }
> +
> + sdram_detect_high_row(cap_info, sdram_params->base.dramtype);
> + split_setup(dram, sdram_params);
> +out:
> + return ret;
> +}
> +
> +struct rv1126_sdram_params *get_default_sdram_config(u32 freq_mhz)
> +{
> + u32 i;
> + u32 offset = 0;
> + struct ddr2_3_4_lp2_3_info *ddr_info;
> +
> + if (!freq_mhz) {
> + ddr_info = get_ddr_drv_odt_info(sdram_configs[0].base.dramtype);
> + if (ddr_info)
> + freq_mhz =
> + (ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
> + DDR_FREQ_MASK;
> + else
> + freq_mhz = 0;
> + }
> +
> + for (i = 0; i < ARRAY_SIZE(sdram_configs); i++) {
> + if (sdram_configs[i].base.ddr_freq == 0 ||
> + freq_mhz < sdram_configs[i].base.ddr_freq)
> + break;
> + }
> + offset = i == 0 ? 0 : i - 1;
> +
> + return &sdram_configs[offset];
> +}
> +
> +static const u16 pctl_need_update_reg[] = {
> + DDR_PCTL2_RFSHTMG,
> + DDR_PCTL2_INIT3,
> + DDR_PCTL2_INIT4,
> + DDR_PCTL2_INIT6,
> + DDR_PCTL2_INIT7,
> + DDR_PCTL2_DRAMTMG0,
> + DDR_PCTL2_DRAMTMG1,
> + DDR_PCTL2_DRAMTMG2,
> + DDR_PCTL2_DRAMTMG3,
> + DDR_PCTL2_DRAMTMG4,
> + DDR_PCTL2_DRAMTMG5,
> + DDR_PCTL2_DRAMTMG6,
> + DDR_PCTL2_DRAMTMG7,
> + DDR_PCTL2_DRAMTMG8,
> + DDR_PCTL2_DRAMTMG9,
> + DDR_PCTL2_DRAMTMG12,
> + DDR_PCTL2_DRAMTMG13,
> + DDR_PCTL2_DRAMTMG14,
> + DDR_PCTL2_ZQCTL0,
> + DDR_PCTL2_DFITMG0,
> + DDR_PCTL2_ODTCFG
> +};
> +
> +static const u16 phy_need_update_reg[] = {
> + 0x14,
> + 0x18,
> + 0x1c
> +};
> +
> +static void pre_set_rate(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params,
> + u32 dst_fsp, u32 dst_fsp_lp4)
> +{
> + u32 i, j, find;
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + u32 phy_offset;
> + u32 mr_tmp;
> + u32 dramtype = sdram_params->base.dramtype;
> +
> + sw_set_req(dram);
> + /* pctl timing update */
> + for (i = 0, find = 0; i < ARRAY_SIZE(pctl_need_update_reg); i++) {
> + for (j = find; sdram_params->pctl_regs.pctl[j][0] != 0xFFFFFFFF;
> + j++) {
> + if (sdram_params->pctl_regs.pctl[j][0] ==
> + pctl_need_update_reg[i]) {
> + writel(sdram_params->pctl_regs.pctl[j][1],
> + pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + pctl_need_update_reg[i]);
> + find = j;
> + break;
> + }
> + }
> + }
> +
> +#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
> + u32 tmp, trefi;
> +
> + tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
> + trefi = (tmp >> 16) & 0xfff;
> + writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
> + pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
> +#endif
> +
> + sw_set_ack(dram);
> +
> + /* phy timing update */
> + if (dst_fsp == 0)
> + phy_offset = 0;
> + else
> + phy_offset = PHY_REG(0, 0x387 - 5 + (dst_fsp - 1) * 3);
> + /* cl cwl al update */
> + for (i = 0, find = 0; i < ARRAY_SIZE(phy_need_update_reg); i++) {
> + for (j = find; sdram_params->phy_regs.phy[j][0] != 0xFFFFFFFF;
> + j++) {
> + if (sdram_params->phy_regs.phy[j][0] ==
> + phy_need_update_reg[i]) {
> + writel(sdram_params->phy_regs.phy[j][1],
> + phy_base + phy_offset +
> + phy_need_update_reg[i]);
> + find = j;
> + break;
> + }
> + }
> + }
> +
> + set_ds_odt(dram, sdram_params, dst_fsp);
> + if (dramtype == LPDDR4) {
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT4);
> + /* MR13 */
> + pctl_write_mr(dram->pctl, 3, 13,
> + ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
> + PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
> + ((0x2 << 6) >> dst_fsp_lp4), dramtype);
> + writel(((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
> + PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
> + ((0x2 << 6) >> dst_fsp_lp4),
> + PHY_REG(phy_base, 0x1b));
> + /* MR3 */
> + pctl_write_mr(dram->pctl, 3, 3,
> + mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT &
> + PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x19));
> +
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3);
> + /* MR1 */
> + pctl_write_mr(dram->pctl, 3, 1,
> + mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT &
> + PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x17));
> + /* MR2 */
> + pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x18));
> +
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6);
> + /* MR11 */
> + pctl_write_mr(dram->pctl, 3, 11,
> + mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x1a));
> + /* MR12 */
> + pctl_write_mr(dram->pctl, 3, 12,
> + mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
> + dramtype);
> +
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT7);
> + /* MR22 */
> + pctl_write_mr(dram->pctl, 3, 22,
> + mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x1d));
> + /* MR14 */
> + pctl_write_mr(dram->pctl, 3, 14,
> + mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
> + dramtype);
> + writel(mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
> + PHY_REG(phy_base, 0x1c));
> + }
> +
> + update_noc_timing(dram, sdram_params);
> +}
> +
> +static void save_fsp_param(struct dram_info *dram, u32 dst_fsp,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> + struct rv1126_fsp_param *p_fsp_param = &fsp_param[dst_fsp];
> + u32 temp, temp1;
> + struct ddr2_3_4_lp2_3_info *ddr_info;
> +
> + ddr_info = get_ddr_drv_odt_info(sdram_params->base.dramtype);
> +
> + p_fsp_param->freq_mhz = sdram_params->base.ddr_freq;
> +
> + if (sdram_params->base.dramtype == LPDDR4) {
> + p_fsp_param->rd_odt_up_en = 0;
> + p_fsp_param->rd_odt_down_en = 1;
> + } else {
> + p_fsp_param->rd_odt_up_en =
> + ODT_INFO_PULLUP_EN(ddr_info->odt_info);
> + p_fsp_param->rd_odt_down_en =
> + ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
> + }
> +
> + if (p_fsp_param->rd_odt_up_en)
> + p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x111));
> + else if (p_fsp_param->rd_odt_down_en)
> + p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x110));
> + else
> + p_fsp_param->rd_odt = 0;
> + p_fsp_param->wr_dq_drv = readl(PHY_REG(phy_base, 0x112));
> + p_fsp_param->wr_ca_drv = readl(PHY_REG(phy_base, 0x100));
> + p_fsp_param->wr_ckcs_drv = readl(PHY_REG(phy_base, 0x102));
> + p_fsp_param->vref_inner = readl(PHY_REG(phy_base, 0x128));
> + p_fsp_param->vref_out = readl(PHY_REG(phy_base, 0x105));
> +
> + if (sdram_params->base.dramtype == DDR3) {
> + temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3);
> + temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
> + p_fsp_param->ds_pdds = temp & DDR3_DS_MASK;
> + p_fsp_param->dq_odt = temp & DDR3_RTT_NOM_MASK;
> + p_fsp_param->ca_odt = p_fsp_param->dq_odt;
> + } else if (sdram_params->base.dramtype == DDR4) {
> + temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3);
> + temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
> + p_fsp_param->ds_pdds = temp & DDR4_DS_MASK;
> + p_fsp_param->dq_odt = temp & DDR4_RTT_NOM_MASK;
> + p_fsp_param->ca_odt = p_fsp_param->dq_odt;
> + } else if (sdram_params->base.dramtype == LPDDR3) {
> + temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT4);
> + temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
> + p_fsp_param->ds_pdds = temp & 0xf;
> +
> + p_fsp_param->dq_odt = lp3_odt_value;
> + p_fsp_param->ca_odt = p_fsp_param->dq_odt;
> + } else if (sdram_params->base.dramtype == LPDDR4) {
> + temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT4);
> + temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
> + p_fsp_param->ds_pdds = temp & LPDDR4_PDDS_MASK;
> +
> + temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6);
> + temp = (temp >> PCTL2_LPDDR4_MR11_SHIFT) & PCTL2_MR_MASK;
> + p_fsp_param->dq_odt = temp & LPDDR4_DQODT_MASK;
> + p_fsp_param->ca_odt = temp & LPDDR4_CAODT_MASK;
> +
> + temp = MAX(readl(PHY_REG(phy_base, 0x3ae)),
> + readl(PHY_REG(phy_base, 0x3ce)));
> + temp1 = MIN(readl(PHY_REG(phy_base, 0x3be)),
> + readl(PHY_REG(phy_base, 0x3de)));
> + p_fsp_param->vref_ca[0] = (temp + temp1) / 2;
> + temp = MAX(readl(PHY_REG(phy_base, 0x3af)),
> + readl(PHY_REG(phy_base, 0x3cf)));
> + temp1 = MIN(readl(PHY_REG(phy_base, 0x3bf)),
> + readl(PHY_REG(phy_base, 0x3df)));
> + p_fsp_param->vref_ca[1] = (temp + temp1) / 2;
> + p_fsp_param->vref_ca[0] |=
> + (readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
> + p_fsp_param->vref_ca[1] |=
> + (readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
> +
> + p_fsp_param->lp4_drv_pd_en = (readl(PHY_REG(phy_base, 0x114)) >>
> + 3) & 0x1;
> + }
> +
> + p_fsp_param->noc_timings.ddrtiminga0 =
> + sdram_params->ch.noc_timings.ddrtiminga0;
> + p_fsp_param->noc_timings.ddrtimingb0 =
> + sdram_params->ch.noc_timings.ddrtimingb0;
> + p_fsp_param->noc_timings.ddrtimingc0 =
> + sdram_params->ch.noc_timings.ddrtimingc0;
> + p_fsp_param->noc_timings.devtodev0 =
> + sdram_params->ch.noc_timings.devtodev0;
> + p_fsp_param->noc_timings.ddrmode =
> + sdram_params->ch.noc_timings.ddrmode;
> + p_fsp_param->noc_timings.ddr4timing =
> + sdram_params->ch.noc_timings.ddr4timing;
> + p_fsp_param->noc_timings.agingx0 =
> + sdram_params->ch.noc_timings.agingx0;
> + p_fsp_param->noc_timings.aging0 =
> + sdram_params->ch.noc_timings.aging0;
> + p_fsp_param->noc_timings.aging1 =
> + sdram_params->ch.noc_timings.aging1;
> + p_fsp_param->noc_timings.aging2 =
> + sdram_params->ch.noc_timings.aging2;
> + p_fsp_param->noc_timings.aging3 =
> + sdram_params->ch.noc_timings.aging3;
> +
> + p_fsp_param->flag = FSP_FLAG;
> +}
> +
> +static void copy_fsp_param_to_ddr(void)
> +{
> + memcpy((void *)FSP_PARAM_STORE_ADDR, (void *)&fsp_param,
> + sizeof(fsp_param));
> +}
> +
> +static void pctl_modify_trfc(struct ddr_pctl_regs *pctl_regs,
> + struct sdram_cap_info *cap_info, u32 dram_type,
> + u32 freq)
> +{
> + u64 cs0_cap;
> + u32 die_cap;
> + u32 trfc_ns, trfc4_ns;
> + u32 trfc, txsnr;
> + u32 txs_abort_fast = 0;
> + u32 tmp;
> +
> + cs0_cap = sdram_get_cs_cap(cap_info, 0, dram_type);
> + die_cap = (u32)(cs0_cap >> (20 + (cap_info->bw - cap_info->dbw)));
> +
> + switch (dram_type) {
> + case DDR3:
> + if (die_cap <= DIE_CAP_512MBIT)
> + trfc_ns = 90;
> + else if (die_cap <= DIE_CAP_1GBIT)
> + trfc_ns = 110;
> + else if (die_cap <= DIE_CAP_2GBIT)
> + trfc_ns = 160;
> + else if (die_cap <= DIE_CAP_4GBIT)
> + trfc_ns = 260;
> + else
> + trfc_ns = 350;
> + txsnr = MAX(5, ((trfc_ns + 10) * freq + 999) / 1000);
> + break;
> +
> + case DDR4:
> + if (die_cap <= DIE_CAP_2GBIT) {
> + trfc_ns = 160;
> + trfc4_ns = 90;
> + } else if (die_cap <= DIE_CAP_4GBIT) {
> + trfc_ns = 260;
> + trfc4_ns = 110;
> + } else if (die_cap <= DIE_CAP_8GBIT) {
> + trfc_ns = 350;
> + trfc4_ns = 160;
> + } else {
> + trfc_ns = 550;
> + trfc4_ns = 260;
> + }
> + txsnr = ((trfc_ns + 10) * freq + 999) / 1000;
> + txs_abort_fast = ((trfc4_ns + 10) * freq + 999) / 1000;
> + break;
> +
> + case LPDDR3:
> + if (die_cap <= DIE_CAP_4GBIT)
> + trfc_ns = 130;
> + else
> + trfc_ns = 210;
> + txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
> + break;
> +
> + case LPDDR4:
> + if (die_cap <= DIE_CAP_2GBIT)
> + trfc_ns = 130;
> + else if (die_cap <= DIE_CAP_4GBIT)
> + trfc_ns = 180;
> + else if (die_cap <= DIE_CAP_8GBIT)
> + trfc_ns = 280;
> + else
> + trfc_ns = 380;
> + txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
> + break;
> +
> + default:
> + return;
> + }
> + trfc = (trfc_ns * freq + 999) / 1000;
> +
> + for (int i = 0; pctl_regs->pctl[i][0] != 0xffffffff; i++) {
> + switch (pctl_regs->pctl[i][0]) {
> + case DDR_PCTL2_RFSHTMG:
> + tmp = pctl_regs->pctl[i][1];
> + /* t_rfc_min */
> + tmp &= ~((u32)0x3ff);
> + tmp |= ((trfc + 1) / 2) & 0x3ff;
> + pctl_regs->pctl[i][1] = tmp;
> + break;
> +
> + case DDR_PCTL2_DRAMTMG8:
> + if (dram_type == DDR3 || dram_type == DDR4) {
> + tmp = pctl_regs->pctl[i][1];
> + /* t_xs_x32 */
> + tmp &= ~((u32)0x7f);
> + tmp |= ((txsnr + 63) / 64) & 0x7f;
> +
> + if (dram_type == DDR4) {
> + /* t_xs_abort_x32 */
> + tmp &= ~((u32)(0x7f << 16));
> + tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 16;
> + /* t_xs_fast_x32 */
> + tmp &= ~((u32)(0x7f << 24));
> + tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 24;
> + }
> +
> + pctl_regs->pctl[i][1] = tmp;
> + }
> + break;
> +
> + case DDR_PCTL2_DRAMTMG14:
> + if (dram_type == LPDDR3 ||
> + dram_type == LPDDR4) {
> + tmp = pctl_regs->pctl[i][1];
> + /* t_xsr */
> + tmp &= ~((u32)0xfff);
> + tmp |= ((txsnr + 1) / 2) & 0xfff;
> + pctl_regs->pctl[i][1] = tmp;
> + }
> + break;
> +
> + default:
> + break;
> + }
> + }
> +}
> +
> +void ddr_set_rate(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params,
> + u32 freq, u32 cur_freq, u32 dst_fsp,
> + u32 dst_fsp_lp4, u32 training_en)
> +{
> + u32 dest_dll_off, cur_init3, dst_init3, cur_fsp, cur_dll_off;
> + u32 mr_tmp;
> + u32 lp_stat;
> + u32 dramtype = sdram_params->base.dramtype;
> + struct rv1126_sdram_params *sdram_params_new;
> + void __iomem *pctl_base = dram->pctl;
> + void __iomem *phy_base = dram->phy;
> +
> + lp_stat = low_power_update(dram, 0);
> + sdram_params_new = get_default_sdram_config(freq);
> + sdram_params_new->ch.cap_info.rank = sdram_params->ch.cap_info.rank;
> + sdram_params_new->ch.cap_info.bw = sdram_params->ch.cap_info.bw;
> +
> + pctl_modify_trfc(&sdram_params_new->pctl_regs,
> + &sdram_params->ch.cap_info, dramtype, freq);
> + pre_set_rate(dram, sdram_params_new, dst_fsp, dst_fsp_lp4);
> +
> + while ((readl(pctl_base + DDR_PCTL2_STAT) &
> + PCTL2_OPERATING_MODE_MASK) ==
> + PCTL2_OPERATING_MODE_SR)
> + continue;
> +
> + dest_dll_off = 0;
> + dst_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT3);
> + if ((dramtype == DDR3 && (dst_init3 & 1)) ||
> + (dramtype == DDR4 && !(dst_init3 & 1)))
> + dest_dll_off = 1;
> +
> + cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
> + cur_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
> + DDR_PCTL2_INIT3);
> + cur_init3 &= PCTL2_MR_MASK;
> + cur_dll_off = 1;
> + if ((dramtype == DDR3 && !(cur_init3 & 1)) ||
> + (dramtype == DDR4 && (cur_init3 & 1)))
> + cur_dll_off = 0;
> +
> + if (!cur_dll_off) {
> + if (dramtype == DDR3)
> + cur_init3 |= 1;
> + else
> + cur_init3 &= ~1;
> + pctl_write_mr(dram->pctl, 2, 1, cur_init3, dramtype);
> + }
> +
> + setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
> + PCTL2_DIS_AUTO_REFRESH);
> + update_refresh_reg(dram);
> +
> + enter_sr(dram, 1);
> +
> + writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
> + PMUGRF_CON_DDRPHY_BUFFEREN_EN,
> + &dram->pmugrf->soc_con[0]);
> + sw_set_req(dram);
> + clrbits_le32(pctl_base + DDR_PCTL2_DFIMISC,
> + PCTL2_DFI_INIT_COMPLETE_EN);
> + sw_set_ack(dram);
> +
> + sw_set_req(dram);
> + if ((dramtype == DDR3 || dramtype == DDR4) && dest_dll_off)
> + setbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
> + else
> + clrbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
> +
> + setbits_le32(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_ZQCTL0,
> + PCTL2_DIS_SRX_ZQCL);
> + setbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_ZQCTL0,
> + PCTL2_DIS_SRX_ZQCL);
> + sw_set_ack(dram);
> +
> + writel(DDR_MSCH_EN_MASK | (0x1 << DDR_MSCH_EN_SHIFT),
> + &dram->cru->clkgate_con[21]);
> + writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
> + (0x1 << CLK_DDR_UPCTL_EN_SHIFT) |
> + (0x1 << ACLK_DDR_UPCTL_EN_SHIFT),
> + BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
> +
> + clrbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
> + rkclk_set_dpll(dram, freq * MHz / 2);
> + phy_pll_set(dram, freq * MHz, 0);
> + phy_pll_set(dram, freq * MHz, 1);
> + setbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
> +
> + writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
> + PMUGRF_CON_DDRPHY_BUFFEREN_DIS,
> + &dram->pmugrf->soc_con[0]);
> + writel(DDR_MSCH_EN_MASK | (0x0 << DDR_MSCH_EN_SHIFT),
> + &dram->cru->clkgate_con[21]);
> + writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
> + (0x0 << CLK_DDR_UPCTL_EN_SHIFT) |
> + (0x0 << ACLK_DDR_UPCTL_EN_SHIFT),
> + BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
> + while ((readl(pctl_base + DDR_PCTL2_DFISTAT) &
> + PCTL2_DFI_INIT_COMPLETE) != PCTL2_DFI_INIT_COMPLETE)
> + continue;
> +
> + sw_set_req(dram);
> + setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
> + clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, dst_fsp);
> + sw_set_ack(dram);
> + update_refresh_reg(dram);
> + clrsetbits_le32(PHY_REG(phy_base, 0xc), 0x3 << 2, dst_fsp << 2);
> +
> + enter_sr(dram, 0);
> +
> + setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> + clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
> +
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_INIT4);
> + if (dramtype == LPDDR3) {
> + pctl_write_mr(dram->pctl, 3, 1,
> + (dst_init3 >> PCTL2_LPDDR234_MR1_SHIFT) &
> + PCTL2_MR_MASK,
> + dramtype);
> + pctl_write_mr(dram->pctl, 3, 2, dst_init3 & PCTL2_MR_MASK,
> + dramtype);
> + pctl_write_mr(dram->pctl, 3, 3,
> + (mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT) &
> + PCTL2_MR_MASK,
> + dramtype);
> + pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, dramtype);
> + } else if ((dramtype == DDR3) || (dramtype == DDR4)) {
> + pctl_write_mr(dram->pctl, 3, 1, dst_init3 & PCTL2_MR_MASK,
> + dramtype);
> + if (!dest_dll_off) {
> + pctl_write_mr(dram->pctl, 3, 0,
> + ((dst_init3 >> PCTL2_DDR34_MR0_SHIFT) &
> + PCTL2_MR_MASK) | DDR3_DLL_RESET,
> + dramtype);
> + udelay(2);
> + }
> + pctl_write_mr(dram->pctl, 3, 0,
> + (dst_init3 >> PCTL2_DDR34_MR0_SHIFT &
> + PCTL2_MR_MASK) & (~DDR3_DLL_RESET),
> + dramtype);
> + pctl_write_mr(dram->pctl, 3, 2,
> + ((mr_tmp >> PCTL2_DDR34_MR2_SHIFT) &
> + PCTL2_MR_MASK), dramtype);
> + if (dramtype == DDR4) {
> + pctl_write_mr(dram->pctl, 3, 3, mr_tmp & PCTL2_MR_MASK,
> + dramtype);
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT6);
> + pctl_write_mr(dram->pctl, 3, 4,
> + (mr_tmp >> PCTL2_DDR4_MR4_SHIFT) &
> + PCTL2_MR_MASK,
> + dramtype);
> + pctl_write_mr(dram->pctl, 3, 5,
> + mr_tmp >> PCTL2_DDR4_MR5_SHIFT &
> + PCTL2_MR_MASK,
> + dramtype);
> +
> + mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
> + DDR_PCTL2_INIT7);
> + pctl_write_mr(dram->pctl, 3, 6,
> + mr_tmp >> PCTL2_DDR4_MR6_SHIFT &
> + PCTL2_MR_MASK,
> + dramtype);
> + }
> + } else if (dramtype == LPDDR4) {
> + pctl_write_mr(dram->pctl, 3, 13,
> + ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
> + PCTL2_MR_MASK) & (~(BIT(7)))) |
> + dst_fsp_lp4 << 7, dramtype);
> + }
> + clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
> + PCTL2_DIS_AUTO_REFRESH);
> + update_refresh_reg(dram);
> +
> + /* training */
> + high_freq_training(dram, sdram_params_new, dst_fsp);
> + low_power_update(dram, lp_stat);
> +
> + save_fsp_param(dram, dst_fsp, sdram_params_new);
> +}
> +
> +static void ddr_set_rate_for_fsp(struct dram_info *dram,
> + struct rv1126_sdram_params *sdram_params)
> +{
> + struct ddr2_3_4_lp2_3_info *ddr_info;
> + u32 f0;
> + u32 dramtype = sdram_params->base.dramtype;
> + u32 f1, f2, f3;
> +
> + ddr_info = get_ddr_drv_odt_info(dramtype);
> + if (!ddr_info)
> + return;
> +
> + f0 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
> + DDR_FREQ_MASK;
> +
> + memset((void *)FSP_PARAM_STORE_ADDR, 0, sizeof(fsp_param));
> + memset((void *)&fsp_param, 0, sizeof(fsp_param));
> +
> + f1 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F1_SHIFT) &
> + DDR_FREQ_MASK;
> + f2 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F2_SHIFT) &
> + DDR_FREQ_MASK;
> + f3 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F3_SHIFT) &
> + DDR_FREQ_MASK;
> +
> + if (get_wrlvl_val(dram, sdram_params))
> + printascii("get wrlvl value fail\n");
> +
> + printascii("change to: ");
> + printdec(f1);
> + printascii("MHz\n");
> + ddr_set_rate(&dram_info, sdram_params, f1,
> + sdram_params->base.ddr_freq, 1, 1, 1);
> + printascii("change to: ");
> + printdec(f2);
> + printascii("MHz\n");
> + ddr_set_rate(&dram_info, sdram_params, f2, f1, 2, 0, 1);
> + printascii("change to: ");
> + printdec(f3);
> + printascii("MHz\n");
> + ddr_set_rate(&dram_info, sdram_params, f3, f2, 3, 1, 1);
> + printascii("change to: ");
> + printdec(f0);
> + printascii("MHz(final freq)\n");
> + ddr_set_rate(&dram_info, sdram_params, f0, f3, 0, 0, 1);
> +}
> +
> +int get_uart_config(void)
> +{
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct global_info *gbl_info;
> +
> + gbl_info = (struct global_info *)((void *)common_info +
> + index->global_index.offset * 4);
> +
> + return gbl_info->uart_info;
> +}
> +
> +/* return: 0 = success, other = fail */
> +static int rv1126_dmc_init(struct udevice *dev)
> +{
> + struct rv1126_sdram_params *sdram_params;
> + int ret = 0;
> + struct sdram_head_info_index_v2 *index =
> + (struct sdram_head_info_index_v2 *)common_info;
> + struct global_info *gbl_info;
> +
> + dram_info.phy = (void *)DDR_PHY_BASE_ADDR;
> + dram_info.pctl = (void *)UPCTL2_BASE_ADDR;
> + dram_info.grf = (void *)GRF_BASE_ADDR;
> + dram_info.cru = (void *)CRU_BASE_ADDR;
> + dram_info.msch = (void *)SERVER_MSCH_BASE_ADDR;
> + dram_info.ddrgrf = (void *)DDR_GRF_BASE_ADDR;
> + dram_info.pmugrf = (void *)PMU_GRF_BASE_ADDR;
> +
> +#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
> + printascii("extended temp support\n");
> +#endif
> + if (index->version_info != 2 ||
> + (index->global_index.size != sizeof(struct global_info) / 4) ||
> + (index->ddr3_index.size !=
> + sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
> + (index->ddr4_index.size !=
> + sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
> + (index->lp3_index.size !=
> + sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
> + (index->lp4_index.size != (sizeof(struct lp4_info) / 4)) ||
> + (index->lp4x_index.size != (sizeof(struct lp4_info) / 4)) ||
> + index->global_index.offset == 0 ||
> + index->ddr3_index.offset == 0 ||
> + index->ddr4_index.offset == 0 ||
> + index->lp3_index.offset == 0 ||
> + index->lp4_index.offset == 0 ||
> + index->lp4x_index.offset == 0) {
> + printascii("common info error\n");
> + goto error;
> + }
> +
> + gbl_info = (struct global_info *)((void *)common_info +
> + index->global_index.offset * 4);
> +
> + dram_info.sr_idle = SR_INFO(gbl_info->sr_pd_info);
> + dram_info.pd_idle = PD_INFO(gbl_info->sr_pd_info);
> +
> + sdram_params = &sdram_configs[0];
> + if (sdram_params->base.dramtype == DDR3 ||
> + sdram_params->base.dramtype == DDR4) {
> + if (DDR_2T_INFO(gbl_info->info_2t))
> + sdram_params->pctl_regs.pctl[0][1] |= 0x1 << 10;
> + else
> + sdram_params->pctl_regs.pctl[0][1] &=
> + ~(0x1 << 10);
> + }
> + ret = sdram_init_detect(&dram_info, sdram_params);
> + if (ret) {
> + sdram_print_dram_type(sdram_params->base.dramtype);
> + printascii(", ");
> + printdec(sdram_params->base.ddr_freq);
> + printascii("MHz\n");
> + goto error;
> + }
> + print_ddr_info(sdram_params);
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + init_rw_trn_result_struct(&rw_trn_result, dram_info.phy,
> + (u8)sdram_params->ch.cap_info.rank);
> +#endif
> +
> + ddr_set_rate_for_fsp(&dram_info, sdram_params);
> + copy_fsp_param_to_ddr();
> +
> +#if defined(CONFIG_CMD_DDR_TEST_TOOL)
> + save_rw_trn_result_to_ddr(&rw_trn_result);
> +#endif
> +
> + printascii("out\n");
> +
> + return ret;
> +error:
> + printascii("error\n");
> + return (-1);
> +}
> +
> +#endif
> +
> +static int rv1126_dmc_probe(struct udevice *dev)
> +{
> +#if defined(CONFIG_TPL_BUILD) || \
> + (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
> + if (rv1126_dmc_init(dev))
> + return 0;
> +#else
> + struct dram_info *priv = dev_get_priv(dev);
> +
> + priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
> + debug("%s: grf=%p\n", __func__, priv->pmugrf);
> + priv->info.base = CONFIG_SYS_SDRAM_BASE;
> + priv->info.size =
> + rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg[2]);
> +#endif
> + return 0;
> +}
> +
> +static int rv1126_dmc_get_info(struct udevice *dev, struct ram_info *info)
> +{
> + struct dram_info *priv = dev_get_priv(dev);
> +
> + *info = priv->info;
> +
> + return 0;
> +}
> +
> +static struct ram_ops rv1126_dmc_ops = {
> + .get_info = rv1126_dmc_get_info,
> +};
> +
> +static const struct udevice_id rv1126_dmc_ids[] = {
> + { .compatible = "rockchip,rv1126-dmc" },
> + { }
> +};
> +
> +U_BOOT_DRIVER(dmc_rv1126) = {
> + .name = "rockchip_rv1126_dmc",
> + .id = UCLASS_RAM,
> + .of_match = rv1126_dmc_ids,
> + .ops = &rv1126_dmc_ops,
> + .probe = rv1126_dmc_probe,
> + .priv_auto = sizeof(struct dram_info),
> +};
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