From 5abc00d02082056765a8029675e7b05ab6c35263 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Fri, 31 Oct 2014 08:31:04 +0100 Subject: arm, spl, at91: add at91sam9260 and at91sam9g45 spl support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit add support for using spl code on at91sam9260 and at91sam9g45 based boards. Signed-off-by: Heiko Schocher Reviewed-by: Bo Shen Reviewed-by: Andreas Bießmann [adopt Bo's change in spl.c] Signed-off-by: Andreas Bießmann --- arch/arm/include/asm/arch-at91/at91sam9_sdramc.h | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'arch/arm/include/asm/arch-at91/at91sam9_sdramc.h') diff --git a/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h b/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h index 5c98cc70d3..3a076c6b80 100644 --- a/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h +++ b/arch/arm/include/asm/arch-at91/at91sam9_sdramc.h @@ -25,6 +25,21 @@ #define AT91_ASM_SDRAMC_CR (ATMEL_BASE_SDRAMC + 0x08) #define AT91_ASM_SDRAMC_MDR (ATMEL_BASE_SDRAMC + 0x24) +#else +struct sdramc_reg { + u32 mr; + u32 tr; + u32 cr; + u32 lpr; + u32 ier; + u32 idr; + u32 imr; + u32 isr; + u32 mdr; +}; + +int sdramc_initialize(unsigned int sdram_address, + const struct sdramc_reg *p); #endif /* SDRAM Controller (SDRAMC) registers */ @@ -62,11 +77,17 @@ #define AT91_SDRAMC_DBW_32 (0 << 7) #define AT91_SDRAMC_DBW_16 (1 << 7) #define AT91_SDRAMC_TWR (0xf << 8) /* Write Recovery Delay */ +#define AT91_SDRAMC_TWR_VAL(x) (x << 8) #define AT91_SDRAMC_TRC (0xf << 12) /* Row Cycle Delay */ +#define AT91_SDRAMC_TRC_VAL(x) (x << 12) #define AT91_SDRAMC_TRP (0xf << 16) /* Row Precharge Delay */ +#define AT91_SDRAMC_TRP_VAL(x) (x << 16) #define AT91_SDRAMC_TRCD (0xf << 20) /* Row to Column Delay */ +#define AT91_SDRAMC_TRCD_VAL(x) (x << 20) #define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */ +#define AT91_SDRAMC_TRAS_VAL(x) (x << 24) #define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */ +#define AT91_SDRAMC_TXSR_VAL(x) (x << 28) #define AT91_SDRAMC_LPR (ATMEL_BASE_SDRAMC + 0x10) /* SDRAM Controller Low Power Register */ #define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */ @@ -93,5 +114,4 @@ #define AT91_SDRAMC_MD_SDRAM 0 #define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1 - #endif -- cgit v1.2.1