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authorStefan Roese <sr@denx.de>2013-12-04 13:54:18 +0100
committerTom Rini <trini@ti.com>2013-12-12 14:54:22 -0500
commit3e51b7c8b8b076dc5115ca4b6a457f55f6de3cae (patch)
treec995446ad381cb1f087c52b26dd90e850e620a22 /board/compulab/cm_t35
parent8f0cbd62edb6fad4d62272ef3f76b3dd74c3a1ad (diff)
downloadblackbird-obmc-uboot-3e51b7c8b8b076dc5115ca4b6a457f55f6de3cae.tar.gz
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arm: omap3: Add SPL support to cm_t35
Add SPL U-Boot support to replace x-loader on the Compulab cm_t35 board. Currently only the 256MiB SDRAM board versions are supported. Tested by booting via MMC and NAND. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Tom Rini <trini@ti.com> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Nikita Kiryanov <nikita@compulab.co.il> Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Diffstat (limited to 'board/compulab/cm_t35')
-rw-r--r--board/compulab/cm_t35/cm_t35.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c
index bc8e0cad94..00bcf41bb3 100644
--- a/board/compulab/cm_t35/cm_t35.c
+++ b/board/compulab/cm_t35/cm_t35.c
@@ -105,6 +105,22 @@ static inline int splash_load_from_nand(void)
}
#endif /* CONFIG_CMD_NAND */
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+ timings->mr = MICRON_V_MR_165;
+ timings->mcfg = MICRON_V_MCFG_200(256 << 20); /* raswidth 14 needed */
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+}
+#endif
+
int splash_screen_prepare(void)
{
char *env_splashimage_value;
@@ -440,7 +456,7 @@ void set_muxconf_regs(void)
cm_t3730_set_muxconf();
}
-#ifdef CONFIG_GENERIC_MMC
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_getcd(struct mmc *mmc)
{
u8 val;
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