Patchwork [U-Boot,10/13] mx23evk: Adjust DRAM control register to use full 128MB of RAM

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Submitter Marek Vasut
Date Feb. 23, 2013, 12:43 p.m.
Message ID <1361623389-31095-10-git-send-email-marex@denx.de>
Download mbox | patch
Permalink /patch/222721/
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Comments

Marek Vasut - Feb. 23, 2013, 12:43 p.m.
From: Otavio Salvador <otavio@ossystems.com.br>

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

Patch

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));