From f69b0653acf5482a94fa1ec9542165914e30e50c Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Tue, 19 Jun 2012 07:24:56 +0000 Subject: [PATCH] mx28evk: Fix boot by adjusting HW_DRAM_CTL29 register 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 Signed-off-by: Fabio Estevam Acked-by: Marek Vasut --- board/freescale/mx28evk/iomux.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c index 6587c45..00cc0cc 100644 --- a/board/freescale/mx28evk/iomux.c +++ b/board/freescale/mx28evk/iomux.c @@ -161,6 +161,20 @@ const iomux_cfg_t iomux_setup[] = { (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) { mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); -- 2.7.4