[U-Boot] [PATCH] board: tbs2910: add private imx config

Sun Jan 28 11:26:34 UTC 2018

Add board specific imx config file with recommended IPU Qos settings
and adapted DDR configuration.

Signed-off-by: Soeren Moch <smoch at web.de>
---
Cc: Stefano Babic <sbabic at denx.de>
Cc: u-boot at lists.denx.de
---
 board/tbs/tbs2910/Kconfig     |   2 +-
 board/tbs/tbs2910/tbs2910.cfg | 115 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+), 1 deletion(-)
 create mode 100644 board/tbs/tbs2910/tbs2910.cfg

diff --git a/board/tbs/tbs2910/Kconfig b/board/tbs/tbs2910/Kconfig
index 55c475c..2e5e1d4 100644
--- a/board/tbs/tbs2910/Kconfig
+++ b/board/tbs/tbs2910/Kconfig
@@ -13,6 +13,6 @@ config MX6Q
 	default y
 
 config IMX_CONFIG
-	default "board/boundary/nitrogen6x/nitrogen6q2g.cfg"
+	default "board/tbs/tbs2910/tbs2910.cfg"
 
 endif
diff --git a/board/tbs/tbs2910/tbs2910.cfg b/board/tbs/tbs2910/tbs2910.cfg
new file mode 100644
index 0000000..37fd4ba
--- /dev/null
+++ b/board/tbs/tbs2910/tbs2910.cfg
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2017 Soeren Moch <smoch at web.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#define __ASSEMBLY__
+#include "asm/arch/crm_regs.h"
+#include "asm/arch/iomux.h"
+#include "asm/arch/mx6-ddr.h"
+
+/* image version 2 for imx6 */
+IMAGE_VERSION 2
+BOOT_FROM sd
+
+/* set the default clock gates to save power */
+DATA 4, CCM_CCGR0, 0x00C03F3F
+DATA 4, CCM_CCGR1, 0x0030FC03
+DATA 4, CCM_CCGR2, 0x0FFFC000
+DATA 4, CCM_CCGR3, 0x3FF00000
+DATA 4, CCM_CCGR4, 0x00FFF300
+DATA 4, CCM_CCGR5, 0x0F0000C3
+DATA 4, CCM_CCGR6, 0x000003FF
+/* set CKO1 (used as AUDIO_MCLK) to ahb_clk_root/8 = 16.5 MHz */
+DATA 4, CCM_CCOSR, 0x000000fb
+
+/* enable AXI cache for VDOA/VPU/IPU */
+DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
+/* set IPU AXI-id1 Qos=0x1 AXI-id0/2/3 Qos=0x7 */
+DATA 4, MX6_IOMUXC_GPR6, 0x77177717
+DATA 4, MX6_IOMUXC_GPR7, 0x77177717
+
+
+/*
+ * DDR3/DDR3L settings
+ * use default 40 Ohm pad drive strength, no odt
+ * 4x256Mx16 DDR3L-1066 7-7-7
+ */
+
+/* disable dq pullup */
+DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
+/* disable dqs pullup */
+DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
+/* set ddr input mode for dq signals */
+DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
+/* set ddr input mode for dqs signals */
+DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
+/* set pad calibration type to DDR3 */
+DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
+/* ZQ calibration */
+DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003
+/* dqs write delay */
+DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x001f001f
+DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x001f001f
+DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x001f001f
+DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x001f001f
+/* dqs read delay */
+DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
+/* dqs read gating control */
+DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x43000300
+DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x03000300
+DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x43000300
+DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x03000300
+/* start delay line calibration */
+DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
+/* tRFC=0x89+1,tXS=0x8e+1,tXP=3+1,tXPDLL=0xc+1,tFAW=0x17+1,tCL=0x4+3 */
+DATA 4, MX6_MMDC_P0_MDCFG0, 0x898E7974
+/* tRCD=6+1,tRP=6+1,tRC=0x1a+1,tRAS=0x13+1,tRPA=tRP+1,tWR=7+1,tMRD=0xb+1,tCWL=4+2 */
+DATA 4, MX6_MMDC_P0_MDCFG1, 0xDB538F64
+/* tDLLK=0x1ff+1,tRTP=3+1,tWTR=3+1,tRRD=3+1 */
+DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
+/* RTW_SAME=2,WTR_DIFF=3,WTW_DIFF=3,RTW_DIFF=2,RTR_DIFF=2 */
+DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
+/* tXPR=0x8e+1,SDE2RST=0x10-2,RST2CKE=0x23-2 */
+DATA 4, MX6_MMDC_P0_MDOR, 0x008E1023
+/* ODT timing */
+DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
+/* read odt settings, 120 Ohm */
+DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00011117
+DATA 4, MX6_MMDC_P1_MPODTCTRL, 0x00011117
+/* cs0, 15-bit row, 10-bit column, BL 8, 64-bit bus */
+DATA 4, MX6_MMDC_P0_MDCTL, 0x841A0000
+/* interleaved bank access (row/bank/col), 5 cycles additional read delay */
+DATA 4, MX6_MMDC_P0_MDMISC, 0x00001740
+/* 2GiByte RAM at cs0 */
+DATA 4, MX6_MMDC_P0_MDASP, 0x00000047
+/* load mode registers of external ddr chips */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x19308030
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00428031
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04088032
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
+/* externel chip ZQ calibration */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
+/* configure and start refreshes, 8 refresh commands at 32 kHz */
+DATA 4, MX6_MMDC_P0_MDREF, 0x00007800
+/* tCKE=2+1,tCKSRX=6,tCKSE=6, active power down after 256 cycles (setting 5) */
+DATA 4, MX6_MMDC_P0_MDPDC, 0x00025576
+/* set automatic self refresh */
+DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006
+/* controller configuration finished */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
-- 
2.7.4

