[U-Boot] [PATCH 2/3] arm: omap3: spl: Fix problem with 8bit NAND devices

Stefan Roese sr at denx.de
Fri Jun 14 10:55:00 CEST 2013


Currently in OMAP3 SPL, the GPMC for NAND is configured for 16bit
access. This patch adds support for 8bit NAND devices as well.

Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Tom Rini <trini at ti.com>
---
 arch/arm/cpu/armv7/omap3/mem.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c
index d04a5a1..378ba81 100644
--- a/arch/arm/cpu/armv7/omap3/mem.c
+++ b/arch/arm/cpu/armv7/omap3/mem.c
@@ -34,6 +34,17 @@
 struct gpmc *gpmc_cfg;
 
 #if defined(CONFIG_CMD_NAND)
+#if defined(GPMC_NAND_ECC_SP_x8_LAYOUT) || defined(GPMC_NAND_ECC_LP_x8_LAYOUT)
+static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
+	SMNAND_GPMC_CONFIG1,
+	SMNAND_GPMC_CONFIG2,
+	SMNAND_GPMC_CONFIG3,
+	SMNAND_GPMC_CONFIG4,
+	SMNAND_GPMC_CONFIG5,
+	SMNAND_GPMC_CONFIG6,
+	0,
+};
+#else
 static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
 	M_NAND_GPMC_CONFIG1,
 	M_NAND_GPMC_CONFIG2,
@@ -42,6 +53,7 @@ static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
 	M_NAND_GPMC_CONFIG5,
 	M_NAND_GPMC_CONFIG6, 0
 };
+#endif
 #endif /* CONFIG_CMD_NAND */
 
 #if defined(CONFIG_CMD_ONENAND)
-- 
1.8.2.3



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