From 054197ba8ee5ef1e41694df58531b6e53ec43f2d Mon Sep 17 00:00:00 2001 From: Martha M Stan Date: Mon, 21 Sep 2009 14:07:14 -0400 Subject: mpc512x: Streamlined fixed_sdram() init sequence. Signed-off-by: Martha M Stan Minor cleanup: Re-ordered default_mddrc_config[] to have matching indices. This allows to use the same index "N" for source and target fields; before, we had code like this out_be32(&im->mddrc.ddr_time_config2, mddrc_config[3]); which always looked like a copy & paste error because 2 != 3. Also, use NULL when meaning a null pointer. Signed-off-by: Wolfgang Denk --- include/asm-ppc/immap_512x.h | 4 ++++ include/asm-ppc/mpc512x.h | 2 +- include/configs/aria.h | 22 +++++++++------------- include/configs/mecp5123.h | 23 ++++++++++------------- include/configs/mpc5121ads.h | 30 +++++++++++++----------------- 5 files changed, 37 insertions(+), 44 deletions(-) (limited to 'include') diff --git a/include/asm-ppc/immap_512x.h b/include/asm-ppc/immap_512x.h index 24e6c6934..79cdd8029 100644 --- a/include/asm-ppc/immap_512x.h +++ b/include/asm-ppc/immap_512x.h @@ -341,6 +341,10 @@ typedef struct ddr512x { u32 res2[0x3AD]; } ddr512x_t; +/* MDDRC SYS CFG and Timing CFG0 Registers */ +#define MDDRC_SYS_CFG_EN 0xF0000000 +#define MDDRC_SYS_CFG_CMD_MASK 0x10000000 +#define MDDRC_REFRESH_ZERO_MASK 0x0000FFFF /* * DMA/Messaging Unit diff --git a/include/asm-ppc/mpc512x.h b/include/asm-ppc/mpc512x.h index 20456f52f..8ef0d9ca6 100644 --- a/include/asm-ppc/mpc512x.h +++ b/include/asm-ppc/mpc512x.h @@ -50,7 +50,7 @@ static inline void sync_law(volatile void *addr) /* * Prototypes */ -extern long int fixed_sdram(void); +extern long int fixed_sdram(u32 *mddrc_config, u32 *dram_init_seq, int seq_sz); extern int mpc5121_diu_init(void); extern void ide_set_reset(int idereset); diff --git a/include/configs/aria.h b/include/configs/aria.h index 4211113d9..2938eac39 100644 --- a/include/configs/aria.h +++ b/include/configs/aria.h @@ -126,7 +126,7 @@ #define CONFIG_SYS_MDDRC_SYS_CFG ( (1 << 31) | /* RST_B */ \ (1 << 30) | /* CKE */ \ (1 << 29) | /* CLK_ON */ \ - (1 << 28) | /* CMD_MODE */ \ + (0 << 28) | /* CMD_MODE */ \ (4 << 25) | /* DRAM_ROW_SELECT */ \ (3 << 21) | /* DRAM_BANK_SELECT */ \ (0 << 18) | /* SELF_REF_EN */ \ @@ -143,16 +143,12 @@ (0 << 0) /* FIFO_UV_EN */ \ ) -#define CONFIG_SYS_MDDRC_SYS_CFG_RUN (CONFIG_SYS_MDDRC_SYS_CFG & ~(1 << 28)) +#define CONFIG_SYS_MDDRC_TIME_CFG0 0x030C3D2E #define CONFIG_SYS_MDDRC_TIME_CFG1 0x55D81189 #define CONFIG_SYS_MDDRC_TIME_CFG2 0x34790863 -#define CONFIG_SYS_MDDRC_SYS_CFG_EN 0xF0000000 -#define CONFIG_SYS_MDDRC_TIME_CFG0 0x00003D2E -#define CONFIG_SYS_MDDRC_TIME_CFG0_RUN 0x030C3D2E - -#define CONFIG_SYS_MICRON_NOP 0x01380000 -#define CONFIG_SYS_MICRON_PCHG_ALL 0x01100400 +#define CONFIG_SYS_DDRCMD_NOP 0x01380000 +#define CONFIG_SYS_DDRCMD_PCHG_ALL 0x01100400 #define CONFIG_SYS_MICRON_EMR ( (1 << 24) | /* CMD_REQ */ \ (0 << 22) | /* DRAM_CS */ \ (0 << 21) | /* DRAM_RAS */ \ @@ -172,7 +168,7 @@ ) #define CONFIG_SYS_MICRON_EMR2 0x01020000 #define CONFIG_SYS_MICRON_EMR3 0x01030000 -#define CONFIG_SYS_MICRON_RFSH 0x01080000 +#define CONFIG_SYS_DDRCMD_RFSH 0x01080000 #define CONFIG_SYS_MICRON_INIT_DEV_OP 0x01000432 #define CONFIG_SYS_MICRON_EMR_OCD ( (1 << 24) | /* CMD_REQ */ \ (0 << 22) | /* DRAM_CS */ \ @@ -196,10 +192,10 @@ * Backward compatible definitions, * so we do not have to change cpu/mpc512x/fixed_sdram.c */ -#define CONFIG_SYS_MICRON_EM2 (CONFIG_SYS_MICRON_EMR2) -#define CONFIG_SYS_MICRON_EM3 (CONFIG_SYS_MICRON_EMR3) -#define CONFIG_SYS_MICRON_EN_DLL (CONFIG_SYS_MICRON_EMR) -#define CONFIG_SYS_MICRON_OCD_DEFAULT (CONFIG_SYS_MICRON_EMR_OCD) +#define CONFIG_SYS_DDRCMD_EM2 (CONFIG_SYS_MICRON_EMR2) +#define CONFIG_SYS_DDRCMD_EM3 (CONFIG_SYS_MICRON_EMR3) +#define CONFIG_SYS_DDRCMD_EN_DLL (CONFIG_SYS_MICRON_EMR) +#define CONFIG_SYS_DDRCMD_OCD_DEFAULT (CONFIG_SYS_MICRON_EMR_OCD) /* DDR Priority Manager Configuration */ #define CONFIG_SYS_MDDRCGRP_PM_CFG1 0x00077777 diff --git a/include/configs/mecp5123.h b/include/configs/mecp5123.h index 1ecae005c..e194c8f7b 100644 --- a/include/configs/mecp5123.h +++ b/include/configs/mecp5123.h @@ -111,22 +111,19 @@ * [09:05] DRAM tRP: * [04:00] DRAM tRPA */ -#define CONFIG_SYS_MDDRC_SYS_CFG 0xFA804A00 -#define CONFIG_SYS_MDDRC_SYS_CFG_RUN 0xEA804A00 +#define CONFIG_SYS_MDDRC_SYS_CFG 0xEA804A00 +#define CONFIG_SYS_MDDRC_TIME_CFG0 0x06183D2E #define CONFIG_SYS_MDDRC_TIME_CFG1 0x68EC1168 #define CONFIG_SYS_MDDRC_TIME_CFG2 0x34310864 -#define CONFIG_SYS_MDDRC_SYS_CFG_EN 0xF0000000 -#define CONFIG_SYS_MDDRC_TIME_CFG0 0x00003D2E -#define CONFIG_SYS_MDDRC_TIME_CFG0_RUN 0x06183D2E - -#define CONFIG_SYS_MICRON_NOP 0x01380000 -#define CONFIG_SYS_MICRON_PCHG_ALL 0x01100400 -#define CONFIG_SYS_MICRON_EM2 0x01020000 -#define CONFIG_SYS_MICRON_EM3 0x01030000 -#define CONFIG_SYS_MICRON_EN_DLL 0x01010000 -#define CONFIG_SYS_MICRON_RFSH 0x01080000 + +#define CONFIG_SYS_DDRCMD_NOP 0x01380000 +#define CONFIG_SYS_DDRCMD_PCHG_ALL 0x01100400 +#define CONFIG_SYS_DDRCMD_EM2 0x01020000 +#define CONFIG_SYS_DDRCMD_EM3 0x01030000 +#define CONFIG_SYS_DDRCMD_EN_DLL 0x01010000 +#define CONFIG_SYS_DDRCMD_RFSH 0x01080000 #define CONFIG_SYS_MICRON_INIT_DEV_OP 0x01000432 -#define CONFIG_SYS_MICRON_OCD_DEFAULT 0x01010780 +#define CONFIG_SYS_DDRCMD_OCD_DEFAULT 0x01010780 /* DDR Priority Manager Configuration */ #define CONFIG_SYS_MDDRCGRP_PM_CFG1 0x00077777 diff --git a/include/configs/mpc5121ads.h b/include/configs/mpc5121ads.h index 76f174db3..0c871c919 100644 --- a/include/configs/mpc5121ads.h +++ b/include/configs/mpc5121ads.h @@ -131,28 +131,24 @@ * [04:00] DRAM tRPA */ #ifdef CONFIG_MPC5121ADS_REV2 -#define CONFIG_SYS_MDDRC_SYS_CFG 0xF8604A00 -#define CONFIG_SYS_MDDRC_SYS_CFG_RUN 0xE8604A00 +#define CONFIG_SYS_MDDRC_SYS_CFG 0xE8604A00 #define CONFIG_SYS_MDDRC_TIME_CFG1 0x54EC1168 #define CONFIG_SYS_MDDRC_TIME_CFG2 0x35210864 #else -#define CONFIG_SYS_MDDRC_SYS_CFG 0xFA804A00 -#define CONFIG_SYS_MDDRC_SYS_CFG_RUN 0xEA804A00 -#define CONFIG_SYS_MDDRC_TIME_CFG1 0x68EC1168 -#define CONFIG_SYS_MDDRC_TIME_CFG2 0x34310864 +#define CONFIG_SYS_MDDRC_SYS_CFG 0xEA804A00 +#define CONFIG_SYS_MDDRC_TIME_CFG1 0x68EC1168 +#define CONFIG_SYS_MDDRC_TIME_CFG2 0x34310864 #endif -#define CONFIG_SYS_MDDRC_SYS_CFG_EN 0xF0000000 -#define CONFIG_SYS_MDDRC_TIME_CFG0 0x00003D2E -#define CONFIG_SYS_MDDRC_TIME_CFG0_RUN 0x06183D2E - -#define CONFIG_SYS_MICRON_NOP 0x01380000 -#define CONFIG_SYS_MICRON_PCHG_ALL 0x01100400 -#define CONFIG_SYS_MICRON_EM2 0x01020000 -#define CONFIG_SYS_MICRON_EM3 0x01030000 -#define CONFIG_SYS_MICRON_EN_DLL 0x01010000 -#define CONFIG_SYS_MICRON_RFSH 0x01080000 +#define CONFIG_SYS_MDDRC_TIME_CFG0 0x06183D2E + +#define CONFIG_SYS_DDRCMD_NOP 0x01380000 +#define CONFIG_SYS_DDRCMD_PCHG_ALL 0x01100400 +#define CONFIG_SYS_DDRCMD_EM2 0x01020000 +#define CONFIG_SYS_DDRCMD_EM3 0x01030000 +#define CONFIG_SYS_DDRCMD_EN_DLL 0x01010000 +#define CONFIG_SYS_DDRCMD_RFSH 0x01080000 #define CONFIG_SYS_MICRON_INIT_DEV_OP 0x01000432 -#define CONFIG_SYS_MICRON_OCD_DEFAULT 0x01010780 +#define CONFIG_SYS_DDRCMD_OCD_DEFAULT 0x01010780 /* DDR Priority Manager Configuration */ #define CONFIG_SYS_MDDRCGRP_PM_CFG1 0x00077777 -- cgit v1.2.3