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[Blackfin] arch: rename bf5xx-flash to bfin-async-flash

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- move all kconfig board settings into board resources
 - fixup casting style according to lkml feedback
 - rewrite driver so that it can handle arbitrary
   of instances according to the declared platform resources

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Cc: Joern Engel <joern@logfs.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-05-13 12:31:32 +08:00 committed by Bryan Wu
parent 45b3947c2d
commit 9cd9c616f5
2 changed files with 14 additions and 20 deletions
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10
arch/blackfin/Kconfig
View File

@ -479,16 +479,6 @@ comment "Memory Setup"
comment "Misc"
config ENET_FLASH_PIN
int "PF port/pin used for flash and ethernet sharing"
depends on (BFIN533_STAMP)
default 0
help
PF port/pin used for flash and ethernet sharing to allow other PF
pins to be used on other platforms without having to touch common
code.
For example: PF0 --> 0,PF1 --> 1,PF2 --> 2, etc.
choice
prompt "Blackfin Exception Scratch Register"
default BFIN_SCRATCH_REG_RETN

24
arch/blackfin/mach-bf533/boards/stamp.c
View File

@ -111,7 +111,7 @@ static struct platform_device net2272_bfin_device = {
};
#endif
#if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
static struct mtd_partition stamp_partitions[] = {
{
.name = "Bootloader",
@ -141,13 +141,17 @@ static struct resource stamp_flash_resource[] = {
.end = 0x203fffff,
.flags = IORESOURCE_MEM,
}, {
.start = CONFIG_ENET_FLASH_PIN,
.start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
.end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
.flags = IORESOURCE_MEM,
}, {
.start = GPIO_PF0,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device stamp_flash_device = {
.name = "BF5xx-Flash",
.name = "bfin-async-flash",
.id = 0,
.dev = {
.platform_data = &stamp_flash_data,
@ -595,7 +599,7 @@ static struct platform_device *stamp_devices[] __initdata = {
&bfin_gpios_device,
#if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
&stamp_flash_device,
#endif
};
@ -617,8 +621,8 @@ static int __init stamp_init(void)
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
/* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
bfin_write_FIO_FLAG_S(PF0);
SSYNC();
#endif
@ -636,8 +640,8 @@ arch_initcall(stamp_init);
void native_machine_restart(char *cmd)
{
#define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
bfin_write_FIO_INEN(~BIT_TO_SET);
bfin_write_FIO_DIR(BIT_TO_SET);
bfin_write_FIO_FLAG_C(BIT_TO_SET);
/* workaround pull up on cpld / flash pin not being strong enough */
bfin_write_FIO_INEN(~PF0);
bfin_write_FIO_DIR(PF0);
bfin_write_FIO_FLAG_C(PF0);
}