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Blackfin: bfin_spi: use same gpio cs define as Linux 

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@gentoo.org>
This commit is contained in:
Mike Frysinger 2010-09-20 17:54:09 -04:00
parent 3d7c8cf5ec
commit 55fed6fd0b
2 changed files with 3 additions and 2 deletions
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3
arch/blackfin/include/asm/config-pre.h
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@ -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

2
drivers/spi/bfin_spi.c
View File

@ -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)