[U-Boot] [PATCH 09/13] tricorder: add led support
Andreas Bießmann
andreas.devel at googlemail.com
Fri Sep 6 15:04:54 CEST 2013
From: Andreas Bießmann <andreas.biessmann at corscience.de>
Signed-off-by: Andreas Bießmann <andreas.biessmann at corscience.de>
---
board/corscience/tricorder/Makefile | 2 +-
board/corscience/tricorder/led.c | 80 ++++++++++++++++++++++++++++++++
board/corscience/tricorder/tricorder.c | 6 +--
board/corscience/tricorder/tricorder.h | 4 +-
include/configs/tricorder.h | 14 ++++++
5 files changed, 100 insertions(+), 6 deletions(-)
create mode 100644 board/corscience/tricorder/led.c
diff --git a/board/corscience/tricorder/Makefile b/board/corscience/tricorder/Makefile
index 22ad8c5..8a7f15c 100644
--- a/board/corscience/tricorder/Makefile
+++ b/board/corscience/tricorder/Makefile
@@ -12,7 +12,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := tricorder.o tricorder-eeprom.o
+COBJS := tricorder.o tricorder-eeprom.o led.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/corscience/tricorder/led.c b/board/corscience/tricorder/led.c
new file mode 100644
index 0000000..30f2f50
--- /dev/null
+++ b/board/corscience/tricorder/led.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2013 Corscience GmbH & Co.KG
+ * Andreas Bießmann <andreas.biessmann at corscience.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <status_led.h>
+#include <twl4030.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+
+#define TRICORDER_STATUS_LED_YELLOW 42
+#define TRICORDER_STATUS_LED_GREEN 43
+
+void __led_init(led_id_t mask, int state)
+{
+ __led_set(mask, state);
+}
+
+void __led_toggle(led_id_t mask)
+{
+ int toggle_gpio = 0;
+#ifdef STATUS_LED_BIT
+ if (!toggle_gpio && STATUS_LED_BIT & mask)
+ toggle_gpio = TRICORDER_STATUS_LED_GREEN;
+#endif
+#ifdef STATUS_LED_BIT1
+ if (!toggle_gpio && STATUS_LED_BIT1 & mask)
+ toggle_gpio = TRICORDER_STATUS_LED_YELLOW;
+#endif
+#ifdef STATUS_LED_BIT2
+ if (!toggle_gpio && STATUS_LED_BIT2 & mask) {
+ uint8_t val;
+ twl4030_i2c_read_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
+ &val);
+ val ^= (TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDAPWM);
+ twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
+ val);
+ }
+#endif
+ if (toggle_gpio) {
+ int state;
+ gpio_request(toggle_gpio, "");
+ state = gpio_get_value(toggle_gpio);
+ gpio_set_value(toggle_gpio, !state);
+ }
+}
+
+void __led_set(led_id_t mask, int state)
+{
+#ifdef STATUS_LED_BIT
+ if (STATUS_LED_BIT & mask) {
+ gpio_request(TRICORDER_STATUS_LED_GREEN, "");
+ gpio_direction_output(TRICORDER_STATUS_LED_GREEN, 0);
+ gpio_set_value(TRICORDER_STATUS_LED_GREEN, state);
+ }
+#endif
+#ifdef STATUS_LED_BIT1
+ if (STATUS_LED_BIT1 & mask) {
+ gpio_request(TRICORDER_STATUS_LED_YELLOW, "");
+ gpio_direction_output(TRICORDER_STATUS_LED_YELLOW, 0);
+ gpio_set_value(TRICORDER_STATUS_LED_YELLOW, state);
+ }
+#endif
+#ifdef STATUS_LED_BIT2
+ if (STATUS_LED_BIT2 & mask) {
+ if (STATUS_LED_OFF == state)
+ twl4030_i2c_write_u8(TWL4030_CHIP_LED,
+ TWL4030_LED_LEDEN, 0);
+ else
+ twl4030_i2c_write_u8(TWL4030_CHIP_LED,
+ TWL4030_LED_LEDEN,
+ (TWL4030_LED_LEDEN_LEDAON |
+ TWL4030_LED_LEDEN_LEDAPWM));
+ }
+#endif
+}
diff --git a/board/corscience/tricorder/tricorder.c b/board/corscience/tricorder/tricorder.c
index b812916..fb5d036 100644
--- a/board/corscience/tricorder/tricorder.c
+++ b/board/corscience/tricorder/tricorder.c
@@ -118,9 +118,9 @@ int misc_init_r(void)
print_hwversion(&eeprom);
twl4030_power_init();
-#ifdef CONFIG_TWL4030_LED
- twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
-#endif
+ status_led_set(0, STATUS_LED_ON);
+ status_led_set(1, STATUS_LED_ON);
+ status_led_set(2, STATUS_LED_ON);
dieid_num_r();
diff --git a/board/corscience/tricorder/tricorder.h b/board/corscience/tricorder/tricorder.h
index 820a50c..67c35c5 100644
--- a/board/corscience/tricorder/tricorder.h
+++ b/board/corscience/tricorder/tricorder.h
@@ -75,8 +75,8 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
- MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
- MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
+ MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M4)) /*GPIO 42*/\
+ MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M4)) /*GPIO 43*/\
MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
diff --git a/include/configs/tricorder.h b/include/configs/tricorder.h
index 26b7a8b..1cd5faa 100644
--- a/include/configs/tricorder.h
+++ b/include/configs/tricorder.h
@@ -60,6 +60,20 @@
/* GPIO support */
#define CONFIG_OMAP_GPIO
+/* LED support */
+#define CONFIG_STATUS_LED
+#define CONFIG_BOARD_SPECIFIC_LED
+#define CONFIG_CMD_LED /* LED command */
+#define STATUS_LED_BIT (1 << 0)
+#define STATUS_LED_STATE STATUS_LED_ON
+#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT1 (1 << 1)
+#define STATUS_LED_STATE1 STATUS_LED_ON
+#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT2 (1 << 2)
+#define STATUS_LED_STATE2 STATUS_LED_ON
+#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
+
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
--
1.7.10.4
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