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authorStefan Roese <sr@denx.de>2008-07-07 09:51:25 +0200
committerStefan Roese <sr@denx.de>2008-07-07 09:51:25 +0200
commit7c6237b3e2f2ee0098897da39b79aff4642b8946 (patch)
treed768b7851bb688f543da0a3ed50c927a2bde2804 /board/atmel/atngw100/atngw100.c
parentdd1c5523d6f44e842e69f2fcb50788c6060eab86 (diff)
parentc956717ab25c962ef49d49064dfc73f4edcba1fb (diff)
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Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'board/atmel/atngw100/atngw100.c')
-rw-r--r--board/atmel/atngw100/atngw100.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c
index 375f0e7..f2c3e79 100644
--- a/board/atmel/atngw100/atngw100.c
+++ b/board/atmel/atngw100/atngw100.c
@@ -60,6 +60,9 @@ int board_early_init_f(void)
#if defined(CONFIG_MMC)
gpio_enable_mmci();
#endif
+#if defined(CONFIG_ATMEL_SPI)
+ gpio_enable_spi0(1 << 0);
+#endif
return 0;
}
@@ -89,3 +92,25 @@ void board_init_info(void)
gd->bd->bi_phy_id[0] = 0x01;
gd->bd->bi_phy_id[1] = 0x03;
}
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+
+#define ATNGW100_DATAFLASH_CS_PIN GPIO_PIN_PA3
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 1);
+}
+#endif /* CONFIG_ATMEL_SPI */