From: Christoph G. Baumann c.baumann@ppc-ag.de
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 c.baumann@ppc-ag.de Cc: Marek Vasut marex@denx.de Cc: Stefano Babic sbabic@denx.de Cc: Fabio Estevam fabio.estevam@freescale.com --- board/ppcag/bg0900/spl_boot.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/board/ppcag/bg0900/spl_boot.c b/board/ppcag/bg0900/spl_boot.c index 2616e1f..a04c955 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;