From 2151374fa6556ec1027d1d0003b1e238a106cc63 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 10 May 2011 16:22:25 -0400 Subject: [PATCH] Blackfin: post: generalize led/button tests with GPIOs Make it easy for any Blackfin board to enable led/push button tests. Signed-off-by: Mike Frysinger --- arch/blackfin/include/asm/config.h | 18 +++++++ arch/blackfin/lib/Makefile | 1 + .../bf537-stamp => arch/blackfin/lib}/post.c | 52 +++++++++---------- board/bf537-stamp/Makefile | 2 +- include/configs/bf537-stamp.h | 6 +++ include/configs/bf548-ezkit.h | 6 +++ post/tests.c | 2 + 7 files changed, 59 insertions(+), 28 deletions(-) rename {board/bf537-stamp => arch/blackfin/lib}/post.c (51%) diff --git a/arch/blackfin/include/asm/config.h b/arch/blackfin/include/asm/config.h index bc3c25215f..53af310ecf 100644 --- a/arch/blackfin/include/asm/config.h +++ b/arch/blackfin/include/asm/config.h @@ -169,4 +169,22 @@ # define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } #endif +/* Blackfin POST tests */ +#ifdef CONFIG_POST_BSPEC1_GPIO_LEDS +# define CONFIG_POST_BSPEC1 \ + { \ + "LED test", "led", "This test verifies LEDs on the board.", \ + POST_MEM | POST_ALWAYS, &led_post_test, NULL, NULL, \ + CONFIG_SYS_POST_BSPEC1, \ + } +#endif +#ifdef CONFIG_POST_BSPEC2_GPIO_BUTTONS +# define CONFIG_POST_BSPEC2 \ + { \ + "Button test", "button", "This test verifies buttons on the board.", \ + POST_MEM | POST_ALWAYS, &button_post_test, NULL, NULL, \ + CONFIG_SYS_POST_BSPEC2, \ + } +#endif + #endif diff --git a/arch/blackfin/lib/Makefile b/arch/blackfin/lib/Makefile index 18c9f74097..37e0663a32 100644 --- a/arch/blackfin/lib/Makefile +++ b/arch/blackfin/lib/Makefile @@ -46,6 +46,7 @@ COBJS-y += clocks.o COBJS-$(CONFIG_CMD_CACHE_DUMP) += cmd_cache_dump.o COBJS-$(CONFIG_CMD_KGDB) += kgdb.o COBJS-y += muldi3.o +COBJS-$(CONFIG_HAS_POST) += post.o COBJS-y += string.o SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) diff --git a/board/bf537-stamp/post.c b/arch/blackfin/lib/post.c similarity index 51% rename from board/bf537-stamp/post.c rename to arch/blackfin/lib/post.c index f35cc8ef5f..b3c5fab576 100644 --- a/board/bf537-stamp/post.c +++ b/arch/blackfin/lib/post.c @@ -1,69 +1,66 @@ /* - * BF537-STAMP POST code + * Blackfin POST code * - * Enter bugs at http://blackfin.uclinux.org/ - * - * Copyright (c) 2005-2009 Analog Devices Inc. + * Copyright (c) 2005-2011 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #include #include -#include -#include +#include + #include -/**************************************************** - * LED1 ---- PF6 LED2 ---- PF7 * - * LED3 ---- PF8 LED4 ---- PF9 * - * LED5 ---- PF10 LED6 ---- PF11 * - ****************************************************/ +#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1 int led_post_test(int flags) { - unsigned int leds[] = { - GPIO_PF6, GPIO_PF7, GPIO_PF8, - GPIO_PF9, GPIO_PF10, GPIO_PF11, - }; + unsigned leds[] = { CONFIG_POST_BSPEC1_GPIO_LEDS }; int i; + /* First turn them all off */ for (i = 0; i < ARRAY_SIZE(leds); ++i) { - gpio_request(leds[i], "post"); + if (gpio_request(leds[i], "post")) { + printf("could not request gpio %u\n", leds[i]); + continue; + } gpio_direction_output(leds[i], 0); + } + /* Now turn them on one by one */ + for (i = 0; i < ARRAY_SIZE(leds); ++i) { printf("LED%i on", i + 1); gpio_set_value(leds[i], 1); udelay(1000000); printf("\b\b\b\b\b\b\b"); - gpio_free(leds[i]); } return 0; } +#endif -/************************************************ - * SW10 ---- PF5 SW11 ---- PF4 * - * SW12 ---- PF3 SW13 ---- PF2 * - ************************************************/ +#if CONFIG_POST & CONFIG_SYS_POST_BSPEC2 int button_post_test(int flags) { - unsigned int buttons[] = { - GPIO_PF2, GPIO_PF3, GPIO_PF4, GPIO_PF5, - }; - unsigned int sws[] = { 13, 12, 11, 10, }; + unsigned buttons[] = { CONFIG_POST_BSPEC2_GPIO_BUTTONS }; + unsigned int sws[] = { CONFIG_POST_BSPEC2_GPIO_NAMES }; int i, delay = 5; unsigned short value = 0; int result = 0; for (i = 0; i < ARRAY_SIZE(buttons); ++i) { - gpio_request(buttons[i], "post"); + if (gpio_request(buttons[i], "post")) { + printf("could not request gpio %u\n", buttons[i]); + continue; + } gpio_direction_input(buttons[i]); delay = 5; printf("\n--------Press SW%i: %2d ", sws[i], delay); while (delay--) { - for (i = 0; i < 100; i++) { + int j; + for (j = 0; j < 100; j++) { value = gpio_get_value(buttons[i]); if (value != 0) break; @@ -85,3 +82,4 @@ int button_post_test(int flags) return result; } +#endif diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile index 2b9328be32..49e441472b 100644 --- a/board/bf537-stamp/Makefile +++ b/board/bf537-stamp/Makefile @@ -31,7 +31,7 @@ LIB = $(obj)lib$(BOARD).o COBJS-y := $(BOARD).o COBJS-$(CONFIG_BFIN_IDE) += ide-cf.o -COBJS-$(CONFIG_HAS_POST) += post.o post-memory.o +COBJS-$(CONFIG_HAS_POST) += post-memory.o SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y)) diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h index 3dee8eefd4..172268bcbb 100644 --- a/include/configs/bf537-stamp.h +++ b/include/configs/bf537-stamp.h @@ -258,6 +258,12 @@ #undef CONFIG_POST #ifdef CONFIG_POST #define CONFIG_SYS_POST_HOTKEYS_GPIO GPIO_PF5 +#define CONFIG_POST_BSPEC1_GPIO_LEDS \ + GPIO_PF6, GPIO_PF7, GPIO_PF8, GPIO_PF9, GPIO_PF10, GPIO_PF11, +#define CONFIG_POST_BSPEC2_GPIO_BUTTONS \ + GPIO_PF5, GPIO_PF4, GPIO_PF3, GPIO_PF2, +#define CONFIG_POST_BSPEC2_GPIO_NAMES \ + 10, 11, 12, 13, #define FLASH_START_POST_BLOCK 11 /* Should > = 11 */ #define FLASH_END_POST_BLOCK 71 /* Should < = 71 */ #endif diff --git a/include/configs/bf548-ezkit.h b/include/configs/bf548-ezkit.h index 3550fd3308..ae27a977b0 100644 --- a/include/configs/bf548-ezkit.h +++ b/include/configs/bf548-ezkit.h @@ -197,6 +197,12 @@ /* Define if want to do post memory test */ #undef CONFIG_POST #ifdef CONFIG_POST +#define CONFIG_POST_BSPEC1_GPIO_LEDS \ + GPIO_PG6, GPIO_PG7, GPIO_PG8, GPIO_PG9, GPIO_PG10, GPIO_PG11, +#define CONFIG_POST_BSPEC2_GPIO_BUTTONS \ + GPIO_PB8, GPIO_PB9, GPIO_PB10, GPIO_PB11 +#define CONFIG_POST_BSPEC2_GPIO_NAMES \ + 13, 12, 11, 10, #define FLASH_START_POST_BLOCK 11 /* Should > = 11 */ #define FLASH_END_POST_BLOCK 71 /* Should < = 71 */ #endif diff --git a/post/tests.c b/post/tests.c index bfb9cb5db6..725f80b96b 100644 --- a/post/tests.c +++ b/post/tests.c @@ -55,6 +55,8 @@ extern int fpga_post_test (int flags); extern int lwmon5_watchdog_post_test(int flags); extern int sysmon1_post_test(int flags); extern int coprocessor_post_test(int flags); +extern int led_post_test(int flags); +extern int button_post_test(int flags); extern int sysmon_init_f (void); -- 2.39.5