diff options
Diffstat (limited to 'arch/arm/include/asm/arch-omap3/mem.h')
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/mem.h | 156 |
1 files changed, 105 insertions, 51 deletions
diff --git a/arch/arm/include/asm/arch-omap3/mem.h b/arch/arm/include/asm/arch-omap3/mem.h index db6a696f49..5fd02d4dfc 100644 --- a/arch/arm/include/asm/arch-omap3/mem.h +++ b/arch/arm/include/asm/arch-omap3/mem.h @@ -39,10 +39,26 @@ enum { #define EARLY_INIT 1 +/* + * For a full explanation of these registers and values please see + * the Technical Reference Manual (TRM) for any of the processors in + * this family. + */ + /* Slower full frequency range default timings for x32 operation*/ #define SDRC_SHARING 0x00000100 #define SDRC_MR_0_SDR 0x00000031 +/* + * SDRC autorefresh control values. This register consists of autorefresh + * enable at bits 0:1 and an autorefresh counter value in bits 8:23. The + * counter is a result of ( tREFI / tCK ) - 50. + */ +#define SDP_3430_SDRC_RFR_CTRL_100MHz 0x0002da01 +#define SDP_3430_SDRC_RFR_CTRL_133MHz 0x0003de01 /* 7.8us/7.5ns - 50=0x3de */ +#define SDP_3430_SDRC_RFR_CTRL_165MHz 0x0004e201 /* 7.8us/6ns - 50=0x4e2 */ +#define SDP_3430_SDRC_RFR_CTRL_200MHz 0x0005e601 /* 7.8us/5ns - 50=0x5e6 */ + #define DLL_OFFSET 0 #define DLL_WRITEDDRCLKX2DIS 1 #define DLL_ENADLL 1 @@ -86,6 +102,53 @@ enum { ACTIM_CTRLB_TXP(b) | \ ACTIM_CTRLB_TXSR(d) +/* + * Values used in the MCFG register. Only values we use today + * are defined and the rest can be found in the TRM. Unless otherwise + * noted all fields are one bit. + */ +#define V_MCFG_RAMTYPE_DDR (0x1) +#define V_MCFG_DEEPPD_EN (0x1 << 3) +#define V_MCFG_B32NOT16_32 (0x1 << 4) +#define V_MCFG_BANKALLOCATION_RBC (0x2 << 6) /* 6:7 */ +#define V_MCFG_RAMSIZE(a) ((((a)/(1024*1024))/2) << 8) /* 8:17 */ +#define V_MCFG_ADDRMUXLEGACY_FLEX (0x1 << 19) +#define V_MCFG_CASWIDTH_10B (0x5 << 20) /* 20:22 */ +#define V_MCFG_RASWIDTH(a) ((a) << 24) /* 24:26 */ + +/* Macro to construct MCFG */ +#define MCFG(a, b) \ + V_MCFG_RASWIDTH(b) | V_MCFG_CASWIDTH_10B | \ + V_MCFG_ADDRMUXLEGACY_FLEX | V_MCFG_RAMSIZE(a) | \ + V_MCFG_BANKALLOCATION_RBC | \ + V_MCFG_B32NOT16_32 | V_MCFG_DEEPPD_EN | V_MCFG_RAMTYPE_DDR + +/* Hynix part of AM/DM37xEVM (200MHz optimized) */ +#define HYNIX_TDAL_200 6 +#define HYNIX_TDPL_200 3 +#define HYNIX_TRRD_200 2 +#define HYNIX_TRCD_200 4 +#define HYNIX_TRP_200 3 +#define HYNIX_TRAS_200 8 +#define HYNIX_TRC_200 11 +#define HYNIX_TRFC_200 18 +#define HYNIX_V_ACTIMA_200 \ + ACTIM_CTRLA(HYNIX_TRFC_200, HYNIX_TRC_200, \ + HYNIX_TRAS_200, HYNIX_TRP_200, \ + HYNIX_TRCD_200, HYNIX_TRRD_200, \ + HYNIX_TDPL_200, HYNIX_TDAL_200) + +#define HYNIX_TWTR_200 2 +#define HYNIX_TCKE_200 1 +#define HYNIX_TXP_200 1 +#define HYNIX_XSR_200 28 +#define HYNIX_V_ACTIMB_200 \ + ACTIM_CTRLB(HYNIX_TWTR_200, HYNIX_TCKE_200, \ + HYNIX_TXP_200, HYNIX_XSR_200) + +#define HYNIX_RASWIDTH_200 0x3 +#define HYNIX_V_MCFG_200(size) MCFG((size), HYNIX_RASWIDTH_200) + /* Infineon part of 3430SDP (165MHz optimized) 6.06ns */ #define INFINEON_TDAL_165 6 /* Twr/Tck + Trp/tck */ /* 15/6 + 18/6 = 5.5 -> 6 */ @@ -138,32 +201,42 @@ enum { ACTIM_CTRLB(MICRON_TWTR_165, MICRON_TCKE_165, \ MICRON_TXP_165, MICRON_XSR_165) -#define MICRON_RAMTYPE 0x1 -#define MICRON_DDRTYPE 0x0 -#define MICRON_DEEPPD 0x1 -#define MICRON_B32NOT16 0x1 -#define MICRON_BANKALLOCATION 0x2 -#define MICRON_RAMSIZE ((PHYS_SDRAM_1_SIZE/(1024*1024))/2) -#define MICRON_ADDRMUXLEGACY 0x1 -#define MICRON_CASWIDTH 0x5 -#define MICRON_RASWIDTH 0x2 -#define MICRON_LOCKSTATUS 0x0 -#define MICRON_V_MCFG ((MICRON_LOCKSTATUS << 30) | (MICRON_RASWIDTH << 24) | \ - (MICRON_CASWIDTH << 20) | (MICRON_ADDRMUXLEGACY << 19) | \ - (MICRON_RAMSIZE << 8) | (MICRON_BANKALLOCATION << 6) | \ - (MICRON_B32NOT16 << 4) | (MICRON_DEEPPD << 3) | \ - (MICRON_DDRTYPE << 2) | (MICRON_RAMTYPE)) - -#define MICRON_ARCV 2030 -#define MICRON_ARE 0x1 -#define MICRON_V_RFR_CTRL ((MICRON_ARCV << 8) | (MICRON_ARE)) - -#define MICRON_BL 0x2 -#define MICRON_SIL 0x0 -#define MICRON_CASL 0x3 -#define MICRON_WBST 0x0 -#define MICRON_V_MR ((MICRON_WBST << 9) | (MICRON_CASL << 4) | \ - (MICRON_SIL << 3) | (MICRON_BL)) +#define MICRON_RASWIDTH_165 0x2 +#define MICRON_V_MCFG_165(size) MCFG((size), MICRON_RASWIDTH_165) + +#define MICRON_BL_165 0x2 +#define MICRON_SIL_165 0x0 +#define MICRON_CASL_165 0x3 +#define MICRON_WBST_165 0x0 +#define MICRON_V_MR_165 ((MICRON_WBST_165 << 9) | \ + (MICRON_CASL_165 << 4) | (MICRON_SIL_165 << 3) | \ + (MICRON_BL_165)) + +/* Micron part (200MHz optimized) 5 ns */ +#define MICRON_TDAL_200 6 +#define MICRON_TDPL_200 3 +#define MICRON_TRRD_200 2 +#define MICRON_TRCD_200 3 +#define MICRON_TRP_200 3 +#define MICRON_TRAS_200 8 +#define MICRON_TRC_200 11 +#define MICRON_TRFC_200 15 +#define MICRON_V_ACTIMA_200 \ + ACTIM_CTRLA(MICRON_TRFC_200, MICRON_TRC_200, \ + MICRON_TRAS_200, MICRON_TRP_200, \ + MICRON_TRCD_200, MICRON_TRRD_200, \ + MICRON_TDPL_200, MICRON_TDAL_200) + +#define MICRON_TWTR_200 2 +#define MICRON_TCKE_200 4 +#define MICRON_TXP_200 2 +#define MICRON_XSR_200 23 +#define MICRON_V_ACTIMB_200 \ + ACTIM_CTRLB(MICRON_TWTR_200, MICRON_TCKE_200, \ + MICRON_TXP_200, MICRON_XSR_200) + +#define MICRON_RASWIDTH_200 0x3 +#define MICRON_V_MCFG_200(size) MCFG((size), MICRON_RASWIDTH_200) /* NUMONYX part of IGEP v2 (165MHz optimized) 6.06ns */ #define NUMONYX_TDAL_165 6 /* Twr/Tck + Trp/tck */ @@ -191,31 +264,8 @@ enum { ACTIM_CTRLB(NUMONYX_TWTR_165, NUMONYX_TCKE_165, \ NUMONYX_TXP_165, NUMONYX_XSR_165) -#ifdef CONFIG_OMAP3_INFINEON_DDR -#define V_ACTIMA_165 INFINEON_V_ACTIMA_165 -#define V_ACTIMB_165 INFINEON_V_ACTIMB_165 -#endif - -#ifdef CONFIG_OMAP3_MICRON_DDR -#define V_ACTIMA_165 MICRON_V_ACTIMA_165 -#define V_ACTIMB_165 MICRON_V_ACTIMB_165 -#define V_MCFG MICRON_V_MCFG -#define V_RFR_CTRL MICRON_V_RFR_CTRL -#define V_MR MICRON_V_MR -#endif - -#ifdef CONFIG_OMAP3_NUMONYX_DDR -#define V_ACTIMA_165 NUMONYX_V_ACTIMA_165 -#define V_ACTIMB_165 NUMONYX_V_ACTIMB_165 -#endif - -#if !defined(V_ACTIMA_165) || !defined(V_ACTIMB_165) -#error "Please choose the right DDR type in config header" -#endif - -#if defined(CONFIG_SPL_BUILD) && (!defined(V_MCFG) || !defined(V_RFR_CTRL)) -#error "Please choose the right DDR type in config header" -#endif +#define NUMONYX_RASWIDTH_165 0x4 +#define NUMONYX_V_MCFG_165(size) MCFG((size), NUMONYX_RASWIDTH_165) /* * GPMC settings - @@ -259,6 +309,10 @@ enum { #define GPMC_SIZE_32M 0xE #define GPMC_SIZE_16M 0xF +#define GPMC_BASEADDR_MASK 0x3F + +#define GPMC_CS_ENABLE 0x1 + #define SMNAND_GPMC_CONFIG1 0x00000800 #define SMNAND_GPMC_CONFIG2 0x00141400 #define SMNAND_GPMC_CONFIG3 0x00141400 |