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authorMike Frysinger <vapier@gentoo.org>2010-10-26 21:30:29 -0400
committerMike Frysinger <vapier@gentoo.org>2011-01-10 07:18:07 -0500
commit30e9b95a8233c11f53e0763e339621271865a4ec (patch)
tree4f4b4db6aec99dd0c9ad2e81d3fa0d9d05029b09 /arch
parent4de2bf8786ec8ec9a45b556e1ddf5c80c807a361 (diff)
downloadop-kernel-dev-30e9b95a8233c11f53e0763e339621271865a4ec.zip
op-kernel-dev-30e9b95a8233c11f53e0763e339621271865a4ec.tar.gz
Blackfin: bf533: convert boards to gpio framework
We don't want people banging on MMRs directly. As for the ip0x board, it shouldn't need to muck with the CS pin directly as the Blackfin SPI bus master driver takes care of driving this. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/mach-bf533/boards/blackstamp.c15
-rw-r--r--arch/blackfin/mach-bf533/boards/ip0x.c9
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c20
3 files changed, 22 insertions, 22 deletions
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index 20c1022..992f551 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -25,7 +25,6 @@
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
-#include <mach/fio_flag.h>
/*
* Name the Board for the /proc/cpuinfo
@@ -476,10 +475,16 @@ static int __init blackstamp_init(void)
return ret;
#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() | PF0);
- bfin_write_FIO_FLAG_S(PF0);
- SSYNC();
+ /*
+ * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
+ * the bfin-async-map driver takes care of flipping between
+ * flash and ethernet when necessary.
+ */
+ ret = gpio_request(GPIO_PF0, "enet_cpld");
+ if (!ret) {
+ gpio_direction_output(GPIO_PF0, 1);
+ gpio_free(GPIO_PF0);
+ }
#endif
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
diff --git a/arch/blackfin/mach-bf533/boards/ip0x.c b/arch/blackfin/mach-bf533/boards/ip0x.c
index 5ba4b02..631f051 100644
--- a/arch/blackfin/mach-bf533/boards/ip0x.c
+++ b/arch/blackfin/mach-bf533/boards/ip0x.c
@@ -22,7 +22,6 @@
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
-#include <mach/fio_flag.h>
/*
* Name the Board for the /proc/cpuinfo
@@ -295,15 +294,7 @@ static int __init ip0x_init(void)
printk(KERN_INFO "%s(): registering device resources\n", __func__);
platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
-#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
- int j = 1 << bfin_spi_board_info[i].chip_select;
- /* set spi cs to 1 */
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
- bfin_write_FIO_FLAG_S(j);
- }
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
-#endif
return 0;
}
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index b3b1cde..4b73d42 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -24,7 +24,6 @@
#include <asm/reboot.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
-#include <mach/fio_flag.h>
/*
* Name the Board for the /proc/cpuinfo
@@ -674,10 +673,16 @@ static int __init stamp_init(void)
return ret;
#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() | PF0);
- bfin_write_FIO_FLAG_S(PF0);
- SSYNC();
+ /*
+ * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
+ * the bfin-async-map driver takes care of flipping between
+ * flash and ethernet when necessary.
+ */
+ ret = gpio_request(GPIO_PF0, "enet_cpld");
+ if (!ret) {
+ gpio_direction_output(GPIO_PF0, 1);
+ gpio_free(GPIO_PF0);
+ }
#endif
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
@@ -713,7 +718,6 @@ void __init native_machine_early_platform_add_devices(void)
void native_machine_restart(char *cmd)
{
/* 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);
+ gpio_request(GPIO_PF0, "flash_cpld");
+ gpio_direction_output(GPIO_PF0, 0);
}
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