[U-Boot] [PATCH] Blackfin: bfin_spi: use same gpio cs define as Linux
Mike Frysinger
vapier at gentoo.org
Mon Sep 20 23:58:45 CEST 2010
Linux uses an offset of 8 to switch from hardware cs to a gpio cs,
so have u-boot use the same value. Also make sure it is public
for boards to access.
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
arch/blackfin/include/asm/config-pre.h | 3 +++
drivers/spi/bfin_spi.c | 2 --
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/blackfin/include/asm/config-pre.h b/arch/blackfin/include/asm/config-pre.h
index 4531519..4ce67d4 100644
--- a/arch/blackfin/include/asm/config-pre.h
+++ b/arch/blackfin/include/asm/config-pre.h
@@ -71,6 +71,9 @@ static inline const char *get_bfin_boot_mode(int bfin_boot)
# define BFIN_BOOT_SPI_SSEL 1
#endif
+/* Define to get a GPIO CS with the Blackfin SPI controller */
+#define MAX_CTRL_CS 8
+
/* There is no Blackfin/NetBSD port */
#undef CONFIG_BOOTM_NETBSD
diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c
index e0ad029..556b97a 100644
--- a/drivers/spi/bfin_spi.c
+++ b/drivers/spi/bfin_spi.c
@@ -35,8 +35,6 @@ MAKE_SPI_FUNC(SPI_BAUD, 0x14)
#define to_bfin_spi_slave(s) container_of(s, struct bfin_spi_slave, slave)
-#define MAX_CTRL_CS 7
-
#define gpio_cs(cs) ((cs) - MAX_CTRL_CS)
#ifdef CONFIG_BFIN_SPI_GPIO_CS
# define is_gpio_cs(cs) ((cs) > MAX_CTRL_CS)
--
1.7.2.3
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