diff options
Diffstat (limited to 'board/ti/evm/evm.c')
| -rw-r--r-- | board/ti/evm/evm.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c index 8c43463..8497aee 100644 --- a/board/ti/evm/evm.c +++ b/board/ti/evm/evm.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2004-2008 + * (C) Copyright 2004-2011 * Texas Instruments, <www.ti.com> * * Author : @@ -37,6 +37,7 @@ #include <asm/gpio.h> #include <i2c.h> #include <asm/mach-types.h> +#include <linux/mtd/nand.h> #include "evm.h" #define OMAP3EVM_GPIO_ETH_RST_GEN1 64 @@ -119,6 +120,42 @@ int board_init(void) return 0; } +#ifdef CONFIG_SPL_BUILD +/* + * Routine: get_board_mem_timings + * Description: If we use SPL then there is no x-loader nor config header + * so we have to setup the DDR timings ourself on the first bank. This + * provides the timing values back to the function that configures + * the memory. + */ +void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl, + u32 *mr) +{ + int pop_mfr, pop_id; + + /* + * We need to identify what PoP memory is on the board so that + * we know what timings to use. To map the ID values please see + * nand_ids.c + */ + identify_nand_chip(&pop_mfr, &pop_id); + + if (pop_mfr == NAND_MFR_HYNIX && pop_id == 0xbc) { + /* 256MB DDR */ + *mcfg = HYNIX_V_MCFG_200(256 << 20); + *ctrla = HYNIX_V_ACTIMA_200; + *ctrlb = HYNIX_V_ACTIMB_200; + } else { + /* 128MB DDR */ + *mcfg = MICRON_V_MCFG_165(128 << 20); + *ctrla = MICRON_V_ACTIMA_165; + *ctrlb = MICRON_V_ACTIMB_165; + } + *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + *mr = MICRON_V_MR_165; +} +#endif + /* * Routine: misc_init_r * Description: Init ethernet (done here so udelay works) @@ -238,7 +275,7 @@ int board_eth_init(bd_t *bis) } #endif /* CONFIG_CMD_NET */ -#ifdef CONFIG_GENERIC_MMC +#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) int board_mmc_init(bd_t *bis) { omap_mmc_init(0); |