[U-Boot] [linux-sunxi] [PATCH 5/9] sun4i: Rename dram files to dram_sun4i.x

Hans de Goede hdegoede at redhat.com
Wed Nov 5 16:31:33 CET 2014


Hi,

On 11/04/2014 05:23 AM, Julian Calaby wrote:
> Hi Hans,
> 
> On Tue, Nov 4, 2014 at 2:34 AM, Hans de Goede <hdegoede at redhat.com> wrote:
>> In preparation for adding sun6i dram support.
>>
>> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
>> ---
>>  arch/arm/cpu/armv7/sunxi/Makefile            |   6 +-
>>  arch/arm/cpu/armv7/sunxi/dram.c              | 750 ---------------------------
>>  arch/arm/cpu/armv7/sunxi/dram_sun4i.c        | 750 +++++++++++++++++++++++++++
>>  arch/arm/include/asm/arch-sunxi/dram.h       | 171 +-----
>>  arch/arm/include/asm/arch-sunxi/dram_sun4i.h | 182 +++++++
>>  5 files changed, 941 insertions(+), 918 deletions(-)
>>  delete mode 100644 arch/arm/cpu/armv7/sunxi/dram.c
>>  create mode 100644 arch/arm/cpu/armv7/sunxi/dram_sun4i.c
>>  create mode 100644 arch/arm/include/asm/arch-sunxi/dram_sun4i.h
>>
>> diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
>> index 1945f75..9072e68 100644
>> --- a/arch/arm/include/asm/arch-sunxi/dram.h
>> +++ b/arch/arm/include/asm/arch-sunxi/dram.h
>> @@ -14,172 +14,13 @@
>>
>>  #include <linux/types.h>
>>
>> -struct sunxi_dram_reg {
>> -       u32 ccr;                /* 0x00 controller configuration register */
>> -       u32 dcr;                /* 0x04 dram configuration register */
>> -       u32 iocr;               /* 0x08 i/o configuration register */
>> -       u32 csr;                /* 0x0c controller status register */
>> -       u32 drr;                /* 0x10 dram refresh register */
>> -       u32 tpr0;               /* 0x14 dram timing parameters register 0 */
>> -       u32 tpr1;               /* 0x18 dram timing parameters register 1 */
>> -       u32 tpr2;               /* 0x1c dram timing parameters register 2 */
>> -       u32 gdllcr;             /* 0x20 global dll control register */
>> -       u8 res0[0x28];
>> -       u32 rslr0;              /* 0x4c rank system latency register */
>> -       u32 rslr1;              /* 0x50 rank system latency register */
>> -       u8 res1[0x8];
>> -       u32 rdgr0;              /* 0x5c rank dqs gating register */
>> -       u32 rdgr1;              /* 0x60 rank dqs gating register */
>> -       u8 res2[0x34];
>> -       u32 odtcr;              /* 0x98 odt configuration register */
>> -       u32 dtr0;               /* 0x9c data training register 0 */
>> -       u32 dtr1;               /* 0xa0 data training register 1 */
>> -       u32 dtar;               /* 0xa4 data training address register */
>> -       u32 zqcr0;              /* 0xa8 zq control register 0 */
>> -       u32 zqcr1;              /* 0xac zq control register 1 */
>> -       u32 zqsr;               /* 0xb0 zq status register */
>> -       u32 idcr;               /* 0xb4 initializaton delay configure reg */
>> -       u8 res3[0x138];
>> -       u32 mr;                 /* 0x1f0 mode register */
>> -       u32 emr;                /* 0x1f4 extended mode register */
>> -       u32 emr2;               /* 0x1f8 extended mode register */
>> -       u32 emr3;               /* 0x1fc extended mode register */
>> -       u32 dllctr;             /* 0x200 dll control register */
>> -       u32 dllcr[5];           /* 0x204 dll control register 0(byte 0) */
>> -       /* 0x208 dll control register 1(byte 1) */
>> -       /* 0x20c dll control register 2(byte 2) */
>> -       /* 0x210 dll control register 3(byte 3) */
>> -       /* 0x214 dll control register 4(byte 4) */
>> -       u32 dqtr0;              /* 0x218 dq timing register */
>> -       u32 dqtr1;              /* 0x21c dq timing register */
>> -       u32 dqtr2;              /* 0x220 dq timing register */
>> -       u32 dqtr3;              /* 0x224 dq timing register */
>> -       u32 dqstr;              /* 0x228 dqs timing register */
>> -       u32 dqsbtr;             /* 0x22c dqsb timing register */
>> -       u32 mcr;                /* 0x230 mode configure register */
>> -       u8 res[0x8];
>> -       u32 ppwrsctl;           /* 0x23c pad power save control */
>> -       u32 apr;                /* 0x240 arbiter period register */
>> -       u32 pldtr;              /* 0x244 priority level data threshold reg */
>> -       u8 res5[0x8];
>> -       u32 hpcr[32];           /* 0x250 host port configure register */
>> -       u8 res6[0x10];
>> -       u32 csel;               /* 0x2e0 controller select register */
>> -};
>> -
>> -struct dram_para {
>> -       u32 clock;
>> -       u32 mbus_clock;
>> -       u32 type;
>> -       u32 rank_num;
>> -       u32 density;
>> -       u32 io_width;
>> -       u32 bus_width;
>> -       u32 cas;
>> -       u32 zq;
>> -       u32 odt_en;
>> -       u32 size;
>> -       u32 tpr0;
>> -       u32 tpr1;
>> -       u32 tpr2;
>> -       u32 tpr3;
>> -       u32 tpr4;
>> -       u32 tpr5;
>> -       u32 emr1;
>> -       u32 emr2;
>> -       u32 emr3;
>> -       u32 dqs_gating_delay;
>> -       u32 active_windowing;
>> -};
>> -
>> -#define DRAM_CCR_COMMAND_RATE_1T (0x1 << 5)
>> -#define DRAM_CCR_DQS_GATE (0x1 << 14)
>> -#define DRAM_CCR_DQS_DRIFT_COMP (0x1 << 17)
>> -#define DRAM_CCR_ITM_OFF (0x1 << 28)
>> -#define DRAM_CCR_DATA_TRAINING (0x1 << 30)
>> -#define DRAM_CCR_INIT (0x1 << 31)
>> -
>> -#define DRAM_MEMORY_TYPE_DDR1 1
>> -#define DRAM_MEMORY_TYPE_DDR2 2
>> -#define DRAM_MEMORY_TYPE_DDR3 3
>> -#define DRAM_MEMORY_TYPE_LPDDR2 4
>> -#define DRAM_MEMORY_TYPE_LPDDR 5
>> -#define DRAM_DCR_TYPE (0x1 << 0)
>> -#define DRAM_DCR_TYPE_DDR2 0x0
>> -#define DRAM_DCR_TYPE_DDR3 0x1
>> -#define DRAM_DCR_IO_WIDTH(n) (((n) & 0x3) << 1)
>> -#define DRAM_DCR_IO_WIDTH_MASK DRAM_DCR_IO_WIDTH(0x3)
>> -#define DRAM_DCR_IO_WIDTH_8BIT 0x0
>> -#define DRAM_DCR_IO_WIDTH_16BIT 0x1
>> -#define DRAM_DCR_CHIP_DENSITY(n) (((n) & 0x7) << 3)
>> -#define DRAM_DCR_CHIP_DENSITY_MASK DRAM_DCR_CHIP_DENSITY(0x7)
>> -#define DRAM_DCR_CHIP_DENSITY_256M 0x0
>> -#define DRAM_DCR_CHIP_DENSITY_512M 0x1
>> -#define DRAM_DCR_CHIP_DENSITY_1024M 0x2
>> -#define DRAM_DCR_CHIP_DENSITY_2048M 0x3
>> -#define DRAM_DCR_CHIP_DENSITY_4096M 0x4
>> -#define DRAM_DCR_CHIP_DENSITY_8192M 0x5
>> -#define DRAM_DCR_BUS_WIDTH(n) (((n) & 0x7) << 6)
>> -#define DRAM_DCR_BUS_WIDTH_MASK DRAM_DCR_BUS_WIDTH(0x7)
>> -#define DRAM_DCR_BUS_WIDTH_32BIT 0x3
>> -#define DRAM_DCR_BUS_WIDTH_16BIT 0x1
>> -#define DRAM_DCR_BUS_WIDTH_8BIT 0x0
>> -#define DRAM_DCR_RANK_SEL(n) (((n) & 0x3) << 10)
>> -#define DRAM_DCR_RANK_SEL_MASK DRAM_DCR_CMD_RANK(0x3)
>> -#define DRAM_DCR_CMD_RANK_ALL (0x1 << 12)
>> -#define DRAM_DCR_MODE(n) (((n) & 0x3) << 13)
>> -#define DRAM_DCR_MODE_MASK DRAM_DCR_MODE(0x3)
>> -#define DRAM_DCR_MODE_SEQ 0x0
>> -#define DRAM_DCR_MODE_INTERLEAVE 0x1
>> -
>> -#define DRAM_CSR_DTERR  (0x1 << 20)
>> -#define DRAM_CSR_DTIERR (0x1 << 21)
>> -#define DRAM_CSR_FAILED (DRAM_CSR_DTERR | DRAM_CSR_DTIERR)
>> -
>> -#define DRAM_DRR_TRFC(n) ((n) & 0xff)
>> -#define DRAM_DRR_TREFI(n) (((n) & 0xffff) << 8)
>> -#define DRAM_DRR_BURST(n) ((((n) - 1) & 0xf) << 24)
>> -
>> -#define DRAM_MCR_MODE_NORM(n) (((n) & 0x3) << 0)
>> -#define DRAM_MCR_MODE_NORM_MASK DRAM_MCR_MOD_NORM(0x3)
>> -#define DRAM_MCR_MODE_DQ_OUT(n) (((n) & 0x3) << 2)
>> -#define DRAM_MCR_MODE_DQ_OUT_MASK DRAM_MCR_MODE_DQ_OUT(0x3)
>> -#define DRAM_MCR_MODE_ADDR_OUT(n) (((n) & 0x3) << 4)
>> -#define DRAM_MCR_MODE_ADDR_OUT_MASK DRAM_MCR_MODE_ADDR_OUT(0x3)
>> -#define DRAM_MCR_MODE_DQ_IN_OUT(n) (((n) & 0x3) << 6)
>> -#define DRAM_MCR_MODE_DQ_IN_OUT_MASK DRAM_MCR_MODE_DQ_IN_OUT(0x3)
>> -#define DRAM_MCR_MODE_DQ_TURNON_DELAY(n) (((n) & 0x7) << 8)
>> -#define DRAM_MCR_MODE_DQ_TURNON_DELAY_MASK DRAM_MCR_MODE_DQ_TURNON_DELAY(0x7)
>> -#define DRAM_MCR_MODE_ADDR_IN (0x1 << 11)
>> -#define DRAM_MCR_RESET (0x1 << 12)
>> -#define DRAM_MCR_MODE_EN(n) (((n) & 0x3) << 13)
>> -#define DRAM_MCR_MODE_EN_MASK DRAM_MCR_MOD_EN(0x3)
>> -#define DRAM_MCR_DCLK_OUT (0x1 << 16)
>> -
>> -#define DRAM_DLLCR_NRESET (0x1 << 30)
>> -#define DRAM_DLLCR_DISABLE (0x1 << 31)
>> -
>> -#define DRAM_ZQCR0_IMP_DIV(n) (((n) & 0xff) << 20)
>> -#define DRAM_ZQCR0_IMP_DIV_MASK DRAM_ZQCR0_IMP_DIV(0xff)
>> -#define DRAM_ZQCR0_ZCAL (1 << 31) /* Starts ZQ calibration when set to 1 */
>> -#define DRAM_ZQCR0_ZDEN (1 << 28) /* Uses ZDATA instead of doing calibration */
>> -
>> -#define DRAM_ZQSR_ZDONE (1 << 31) /* ZQ calibration completion flag */
>> -
>> -#define DRAM_IOCR_ODT_EN(n) ((((n) & 0x3) << 30) | ((n) & 0x3) << 0)
>> -#define DRAM_IOCR_ODT_EN_MASK DRAM_IOCR_ODT_EN(0x3)
>> -
>> -#define DRAM_MR_BURST_LENGTH(n) (((n) & 0x7) << 0)
>> -#define DRAM_MR_BURST_LENGTH_MASK DRAM_MR_BURST_LENGTH(0x7)
>> -#define DRAM_MR_CAS_LAT(n) (((n) & 0x7) << 4)
>> -#define DRAM_MR_CAS_LAT_MASK DRAM_MR_CAS_LAT(0x7)
>> -#define DRAM_MR_WRITE_RECOVERY(n) (((n) & 0x7) << 9)
>> -#define DRAM_MR_WRITE_RECOVERY_MASK DRAM_MR_WRITE_RECOVERY(0x7)
>> -#define DRAM_MR_POWER_DOWN (0x1 << 12)
>> -
>> -#define DRAM_CSEL_MAGIC 0x16237495
>> +/* dram regs definition */
>> +#if defined(CONFIG_MACH_SUN6I)
>> +#include <asm/arch/dram_sun6i.h>
> 
> I'm sure CONFIG_MACH_SUN6I isn't set yet, but doesn't this file not exist?

Actually it can be set already, good catch, will fix for v2.

Regards,

Hans


More information about the U-Boot mailing list