From 465ac5891c0302d33a59700711f3f0f1e81392fa Mon Sep 17 00:00:00 2001 From: "Christoph G. Baumann" Date: Mon, 28 Oct 2013 12:29:31 +0100 Subject: ARM: mxs: Configure 2 Gbit DDR2 RAM for BG0900 The BG0900 module has 2Gbit DRAM module on it, adjust the DataBahn DRAM controller registers so the DRAM module will be correctly recognised. Signed-off-by: Christoph G. Baumann Cc: Marek Vasut Cc: Stefano Babic Cc: Fabio Estevam --- board/ppcag/bg0900/spl_boot.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'board/ppcag/bg0900') diff --git a/board/ppcag/bg0900/spl_boot.c b/board/ppcag/bg0900/spl_boot.c index 2616e1fada..a04c9553e4 100644 --- a/board/ppcag/bg0900/spl_boot.c +++ b/board/ppcag/bg0900/spl_boot.c @@ -118,6 +118,19 @@ const iomux_cfg_t iomux_setup[] = { void mxs_adjust_memory_params(uint32_t *dram_vals) { + /* + * DDR Controller Registers + * Manufacturer: Winbond + * Device Part Number: W972GG6JB-25I + * Clock Freq.: 200MHz + * Density: 2Gb + * Chip Selects: 1 + * Number of Banks: 8 + * Row address: 14 + * Column address: 10 + */ + + dram_vals[0x74 / 4] = 0x0102010A; dram_vals[0x98 / 4] = 0x04005003; dram_vals[0x9c / 4] = 0x090000c8; -- cgit v1.2.1