[U-Boot] [PATCH V2 2/2] spi: Tegra2: Seaboard: enable SPI/UART corruption fix

Tom Warren twarren.nvidia at gmail.com
Wed May 16 00:32:37 CEST 2012


Signed-off-by: Tom Warren <twarren at nvidia.com>
---
v2: Split config file changes into separate commit

 include/configs/seaboard.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index 46d4228..889bdff 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -52,6 +52,15 @@
 
 /* On Seaboard: GPIO_PI3 = Port I = 8, bit = 3 */
 #define CONFIG_UART_DISABLE_GPIO	GPIO_PI3
+/*
+ * On Seaboard, SPIFLASH is muxed with UART4. The next 5 defines are
+ * needed to work around that design error.
+ */
+#define CONFIG_SPI_UART_SWITCH
+#define CONFIG_SPI_CORRUPTS_UART	NV_PA_APB_UARTD_BASE
+#define CONFIG_SPI_CORRUPTS_UART_NR	3
+#define CONFIG_SPI_CORRUPTS_UART_DLY	2500
+#undef CONFIG_CMDLINE_EDITING		/* avoid NUL in input buffer */
 
 #define CONFIG_MACH_TYPE		MACH_TYPE_SEABOARD
 #define CONFIG_SYS_BOARD_ODMDATA	0x300d8011 /* lp1, 1GB */
-- 
1.7.0.4



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