diff options
author | Wolfgang Denk <wd@denx.de> | 2010-07-15 20:48:46 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2010-07-15 20:48:46 (GMT) |
commit | 93502a5e0adcfc0ce6cf8e3daa7eb9a4f4e53658 (patch) | |
tree | 85bf8677d8e8095ef18453199a99c5e4131d217d /board/cm-bf527 | |
parent | dce6538f5d21a0def8a4df5328d536abed3e136a (diff) | |
parent | d6f324d03d7829a1da1dee8b60f91b173a3976f0 (diff) | |
download | u-boot-93502a5e0adcfc0ce6cf8e3daa7eb9a4f4e53658.tar.xz |
Merge branch 'master' of ../master
Diffstat (limited to 'board/cm-bf527')
-rw-r--r-- | board/cm-bf527/Makefile | 2 | ||||
-rw-r--r-- | board/cm-bf527/gpio.c | 74 | ||||
-rw-r--r-- | board/cm-bf527/gpio_cfi_flash.c | 21 |
3 files changed, 10 insertions, 87 deletions
diff --git a/board/cm-bf527/Makefile b/board/cm-bf527/Makefile index c2cd244..bad018a 100644 --- a/board/cm-bf527/Makefile +++ b/board/cm-bf527/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS-y := $(BOARD).o gpio.o gpio_cfi_flash.o +COBJS-y := $(BOARD).o gpio_cfi_flash.o SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y)) diff --git a/board/cm-bf527/gpio.c b/board/cm-bf527/gpio.c deleted file mode 100644 index 7e0babe..0000000 --- a/board/cm-bf527/gpio.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Control GPIO pins on the fly - * - * Copyright (c) 2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <command.h> - -#include <asm/blackfin.h> - -int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - if (argc != 3) { - show_usage: - printf("Usage:\n%s\n", cmdtp->usage); - return 1; - } - - /* parse the behavior */ - ulong port_cmd = 0; - switch (argv[1][0]) { - case 'i': break; - case 's': port_cmd = (PORTFIO_SET - PORTFIO); break; - case 'c': port_cmd = (PORTFIO_CLEAR - PORTFIO); break; - case 't': port_cmd = (PORTFIO_TOGGLE - PORTFIO); break; - default: goto show_usage; - } - - /* parse the pin with format: [p]<fgh><#> */ - const char *str_pin = argv[2]; - - /* grab the [p]<fgh> portion */ - ulong port_base; - if (*str_pin == 'p') ++str_pin; - switch (*str_pin) { - case 'f': port_base = PORTFIO; break; - case 'g': port_base = PORTGIO; break; - case 'h': port_base = PORTHIO; break; - default: goto show_usage; - } - - /* grab the <#> portion */ - ulong pin = simple_strtoul(str_pin+1, NULL, 10); - ulong pin_mask = (1 << pin); - if (pin > 15) - goto show_usage; - - /* finally, let's do it: set direction and exec command */ - switch (*str_pin) { - case 'f': bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~pin_mask); break; - case 'g': bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~pin_mask); break; - case 'h': bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~pin_mask); break; - } - - ulong port_dir = port_base + (PORTFIO_DIR - PORTFIO); - if (argv[1][0] == 'i') - bfin_write16(port_dir, bfin_read16(port_dir) & ~pin_mask); - else { - bfin_write16(port_dir, bfin_read16(port_dir) | pin_mask); - bfin_write16(port_base + port_cmd, pin_mask); - } - - printf("gpio: pin %li on port %c has been %c\n", pin, *str_pin, argv[1][0]); - - return 0; -} - -U_BOOT_CMD(gpio, 3, 0, do_gpio, - "gpio - set/clear/toggle gpio output pins\n", - "<s|c|t> <port><pin>\n" - " - set/clear/toggle the specified pin\n"); diff --git a/board/cm-bf527/gpio_cfi_flash.c b/board/cm-bf527/gpio_cfi_flash.c index 7167680..f8ccc07 100644 --- a/board/cm-bf527/gpio_cfi_flash.c +++ b/board/cm-bf527/gpio_cfi_flash.c @@ -8,12 +8,13 @@ #include <common.h> #include <asm/blackfin.h> +#include <asm/gpio.h> #include <asm/io.h> #include "gpio_cfi_flash.h" -#define GPIO_PIN_1 PH9 +#define GPIO_PIN_1 GPIO_PH9 #define GPIO_MASK_1 (1 << 21) -#define GPIO_PIN_2 PG11 +#define GPIO_PIN_2 GPIO_PG11 #define GPIO_MASK_2 (1 << 22) #define GPIO_MASK (GPIO_MASK_1 | GPIO_MASK_2) @@ -21,16 +22,10 @@ void *gpio_cfi_flash_swizzle(void *vaddr) { unsigned long addr = (unsigned long)vaddr; - if (addr & GPIO_MASK_1) - bfin_write_PORTHIO_SET(GPIO_PIN_1); - else - bfin_write_PORTHIO_CLEAR(GPIO_PIN_1); + gpio_set_value(GPIO_PIN_1, addr & GPIO_MASK_1); #ifdef GPIO_MASK_2 - if (addr & GPIO_MASK_2) - bfin_write_PORTGIO_SET(GPIO_PIN_2); - else - bfin_write_PORTGIO_CLEAR(GPIO_PIN_2); + gpio_set_value(GPIO_PIN_2, addr & GPIO_MASK_2); #endif SSYNC(); @@ -57,7 +52,9 @@ MAKE_FLASH(64, q) /* flash_write64() flash_read64() */ void gpio_cfi_flash_init(void) { - bfin_write_PORTHIO_DIR(bfin_read_PORTHIO_DIR() | GPIO_PIN_1); - bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | GPIO_PIN_2); + gpio_request(GPIO_PIN_1, "gpio_cfi_flash"); +#ifdef GPIO_MASK_2 + gpio_request(GPIO_PIN_2, "gpio_cfi_flash"); +#endif gpio_cfi_flash_swizzle((void *)CONFIG_SYS_FLASH_BASE); } |