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mx28evk: Fix boot by adjusting HW_DRAM_CTL29 register

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commit acc4959fc1 (Revert "i.MX28: Enable additional DRAM address bits")
broke mx28evk boot.

Fix it by properly adjusting the HW_DRAM_CTL29 register value.

Suggested-by: Marek Vasut <marex@denx.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Fabio Estevam 2012-06-19 07:24:56 +00:00 • committed by Albert ARIBAUD
parent e3ddc64603
commit f69b0653ac
1 changed files with 14 additions and 0 deletions
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14
board/freescale/mx28evk/iomux.c
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@ -161,6 +161,20 @@ const iomux_cfg_t iomux_setup[] = {
(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
}; };
#define HW_DRAM_CTL29 (0x74 >> 2)
#define CS_MAP 0xf
#define COLUMN_SIZE 0x2
#define ADDR_PINS 0x1
#define APREBIT 0xa
#define HW_DRAM_CTL29_CONFIG (CS_MAP << 24 | COLUMN_SIZE << 16 | \
ADDR_PINS << 8 | APREBIT)
void mx28_adjust_memory_params(uint32_t *dram_vals)
{
dram_vals[HW_DRAM_CTL29] = HW_DRAM_CTL29_CONFIG;
}
void board_init_ll(void) void board_init_ll(void)
{ {
mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));