[U-Boot] [v2 PATCH 02/12] arm, at91: add spi dataflash support for the taurus board

Heiko Schocher
2014-10-30T08:14:56Z

- add comment from Jagan Teki:
- remove spi_init_f() from board file
- remove CONFIG_SYS_SPI_WRITE_TOUT from board config file
instead define a default in the spi driver -> new patch for v2

board/siemens/taurus/taurus.c | 18 ++++++++++++++++++
include/configs/taurus.h | 10 ++++++++++
2 files changed, 28 insertions(+)

diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c
index 673b302..76609c7 100644
--- a/board/siemens/taurus/taurus.c
+++ b/board/siemens/taurus/taurus.c
@@ -22,6 +22,8 @@
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam9_sdramc.h>
#include <atmel_mci.h>
+#include <asm/arch/at91_spi.h>
+#include <spi.h>

#include <net.h>
#include <netdev.h>
@@ -127,6 +129,21 @@ int board_early_init_f(void)
return 0;
}

+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ at91_set_gpio_value(TAURUS_SPI_CS_PIN, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ at91_set_gpio_value(TAURUS_SPI_CS_PIN, 1);
+}
+
int board_init(void)
{
/* adress of boot parameters */
@@ -139,6 +156,7 @@ int board_init(void)
#ifdef CONFIG_MACB
taurus_macb_hw_init();
#endif
+ at91_spi0_hw_init(TAURUS_SPI_MASK);

return 0;
}
diff --git a/include/configs/taurus.h b/include/configs/taurus.h
index aadf4cd..ba9496f 100644
--- a/include/configs/taurus.h
+++ b/include/configs/taurus.h
@@ -127,6 +127,16 @@
#define CONFIG_USB_STORAGE
#endif

+/* SPI EEPROM */
+#define CONFIG_SPI
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH
+#define CONFIG_ATMEL_SPI
+#define CONFIG_SPI_FLASH_STMICRO
+#define TAURUS_SPI_MASK (1 << 4)
+#define TAURUS_SPI_CS_PIN AT91_PIN_PA3
+
/* load address */
#define CONFIG_SYS_LOAD_ADDR 0x22000000

--
1.8.3.1