[U-Boot] [PATCH v2 03/10] mx23evk: Adjust DRAM control register to use full 128MB of RAM

Otavio Salvador
2013-02-11T13:35:49Z

Adjust HW_DRAM_CTL14 to enable the chip selects to allow usage of full
128MB of RAM.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
Changes in v2: None

board/freescale/mx23evk/spl_boot.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c
index 6007433..b6f4e7e 100644
--- a/board/freescale/mx23evk/spl_boot.c
+++ b/board/freescale/mx23evk/spl_boot.c
@@ -98,6 +98,16 @@ const iomux_cfg_t iomux_setup[] = {
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};

+#define HW_DRAM_CTL14 (0x38 >> 2)
+#define CS_MAP 0x3
+#define INTAREF 0x2
+#define HW_DRAM_CTL14_CONFIG (INTAREF << 8 | CS_MAP)
+
+void mxs_adjust_memory_params(uint32_t *dram_vals)
+{
+ dram_vals[HW_DRAM_CTL14] = HW_DRAM_CTL14_CONFIG;
+}
+
void board_init_ll(void)
{
mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
--
1.8.1