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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-06-20 10:41:05 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-06-20 12:46:48 +0200 |
| commit | 5f723a3b98c630bde33de74351f2121691fdef14 (patch) | |
| tree | 3fac4e5d3fe16b8c6696822d0ab1744ab4263e24 /board | |
| parent | 5605ef6b5802921cbefe6a933a9dea3497396b5c (diff) | |
| download | u-boot-5f723a3b98c630bde33de74351f2121691fdef14.tar.gz u-boot-5f723a3b98c630bde33de74351f2121691fdef14.tar.xz u-boot-5f723a3b98c630bde33de74351f2121691fdef14.zip | |
avr32: Enable SPI flash support on ATNGW100
The ATNGW100 has 8MB DataFlash on board. Give users access to it through
the new SPI flash framework.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/atmel/atngw100/atngw100.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c index 375f0e7e17..f2c3e79799 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 */ |