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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>
This commit is contained in:
Haavard Skinnemoen 2008-06-20 10:41:05 +02:00
parent 5605ef6b58
commit 5f723a3b98
2 changed files with 31 additions and 0 deletions
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25
board/atmel/atngw100/atngw100.c
View File

@ -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 */

6
include/configs/atngw100.h
View File

@ -114,6 +114,8 @@
#define CONFIG_CMD_FAT
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_MMC
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
#undef CONFIG_CMD_AUTOSCRIPT
#undef CONFIG_CMD_FPGA
@ -126,6 +128,10 @@
#define CFG_NR_PIOS 5
#define CFG_HSDRAMC 1
#define CONFIG_MMC 1
#define CONFIG_ATMEL_SPI 1
#define CONFIG_SPI_FLASH 1
#define CONFIG_SPI_FLASH_ATMEL 1
#define CFG_DCACHE_LINESZ 32
#define CFG_ICACHE_LINESZ 32