COBJS := timer.o
COBJS += utils.o
-ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP),)
-COBJS += gpio.o
-endif
ifneq ($(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
COBJS += hwinit-common.o
+++ /dev/null
-/*
- * Copyright (c) 2009 Wind River Systems, Inc.
- * Tom Rix <Tom.Rix@windriver.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * This work is derived from the linux 2.6.27 kernel source
- * To fetch, use the kernel repository
- * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
- * Use the v2.6.27 tag.
- *
- * Below is the original's header including its copyright
- *
- * linux/arch/arm/plat-omap/gpio.c
- *
- * Support functions for OMAP GPIO
- *
- * Copyright (C) 2003-2005 Nokia Corporation
- * Written by Juha Yrjölä <juha.yrjola@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <common.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-
-#define OMAP_GPIO_DIR_OUT 0
-#define OMAP_GPIO_DIR_IN 1
-
-static inline const struct gpio_bank *get_gpio_bank(int gpio)
-{
- return &omap_gpio_bank[gpio >> 5];
-}
-
-static inline int get_gpio_index(int gpio)
-{
- return gpio & 0x1f;
-}
-
-static inline int gpio_valid(int gpio)
-{
- if (gpio < 0)
- return -1;
- if (gpio < 192)
- return 0;
- return -1;
-}
-
-static int check_gpio(int gpio)
-{
- if (gpio_valid(gpio) < 0) {
- printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
- return -1;
- }
- return 0;
-}
-
-static void _set_gpio_direction(const struct gpio_bank *bank, int gpio,
- int is_input)
-{
- void *reg = bank->base;
- u32 l;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP_GPIO_OE;
- break;
- default:
- return;
- }
- l = __raw_readl(reg);
- if (is_input)
- l |= 1 << gpio;
- else
- l &= ~(1 << gpio);
- __raw_writel(l, reg);
-}
-
-/**
- * Get the direction of the GPIO by reading the GPIO_OE register
- * corresponding to the specified bank.
- */
-static int _get_gpio_direction(const struct gpio_bank *bank, int gpio)
-{
- void *reg = bank->base;
- u32 v;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP_GPIO_OE;
- break;
- default:
- return -1;
- }
-
- v = __raw_readl(reg);
-
- if (v & (1 << gpio))
- return OMAP_GPIO_DIR_IN;
- else
- return OMAP_GPIO_DIR_OUT;
-}
-
-static void _set_gpio_dataout(const struct gpio_bank *bank, int gpio,
- int enable)
-{
- void *reg = bank->base;
- u32 l = 0;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- if (enable)
- reg += OMAP_GPIO_SETDATAOUT;
- else
- reg += OMAP_GPIO_CLEARDATAOUT;
- l = 1 << gpio;
- break;
- default:
- printf("omap3-gpio unknown bank method %s %d\n",
- __FILE__, __LINE__);
- return;
- }
- __raw_writel(l, reg);
-}
-
-/**
- * Set value of the specified gpio
- */
-int gpio_set_value(unsigned gpio, int value)
-{
- const struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return -1;
- bank = get_gpio_bank(gpio);
- _set_gpio_dataout(bank, get_gpio_index(gpio), value);
-
- return 0;
-}
-
-/**
- * Get value of the specified gpio
- */
-int gpio_get_value(unsigned gpio)
-{
- const struct gpio_bank *bank;
- void *reg;
- int input;
-
- if (check_gpio(gpio) < 0)
- return -1;
- bank = get_gpio_bank(gpio);
- reg = bank->base;
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- input = _get_gpio_direction(bank, get_gpio_index(gpio));
- switch (input) {
- case OMAP_GPIO_DIR_IN:
- reg += OMAP_GPIO_DATAIN;
- break;
- case OMAP_GPIO_DIR_OUT:
- reg += OMAP_GPIO_DATAOUT;
- break;
- default:
- return -1;
- }
- break;
- default:
- return -1;
- }
- return (__raw_readl(reg)
- & (1 << get_gpio_index(gpio))) != 0;
-}
-
-/**
- * Set gpio direction as input
- */
-int gpio_direction_input(unsigned gpio)
-{
- const struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return -1;
-
- bank = get_gpio_bank(gpio);
- _set_gpio_direction(bank, get_gpio_index(gpio), 1);
-
- return 0;
-}
-
-/**
- * Set gpio direction as output
- */
-int gpio_direction_output(unsigned gpio, int value)
-{
- const struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return -1;
-
- bank = get_gpio_bank(gpio);
- _set_gpio_dataout(bank, get_gpio_index(gpio), value);
- _set_gpio_direction(bank, get_gpio_index(gpio), 0);
-
- return 0;
-}
-
-/**
- * Request a gpio before using it.
- *
- * NOTE: Argument 'label' is unused.
- */
-int gpio_request(unsigned gpio, const char *label)
-{
- if (check_gpio(gpio) < 0)
- return -1;
-
- return 0;
-}
-
-/**
- * Reset and free the gpio after using it.
- */
-int gpio_free(unsigned gpio)
-{
- return 0;
-}
COBJS-$(CONFIG_ALTERA_PIO) += altera_pio.o
COBJS-$(CONFIG_MPC83XX_GPIO) += mpc83xx_gpio.o
COBJS-$(CONFIG_SH_GPIO_PFC) += sh_pfc.o
+COBJS-$(CONFIG_OMAP_GPIO) += omap_gpio.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
--- /dev/null
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * This work is derived from the linux 2.6.27 kernel source
+ * To fetch, use the kernel repository
+ * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ * Use the v2.6.27 tag.
+ *
+ * Below is the original's header including its copyright
+ *
+ * linux/arch/arm/plat-omap/gpio.c
+ *
+ * Support functions for OMAP GPIO
+ *
+ * Copyright (C) 2003-2005 Nokia Corporation
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <common.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+
+#define OMAP_GPIO_DIR_OUT 0
+#define OMAP_GPIO_DIR_IN 1
+
+static inline const struct gpio_bank *get_gpio_bank(int gpio)
+{
+ return &omap_gpio_bank[gpio >> 5];
+}
+
+static inline int get_gpio_index(int gpio)
+{
+ return gpio & 0x1f;
+}
+
+static inline int gpio_valid(int gpio)
+{
+ if (gpio < 0)
+ return -1;
+ if (gpio < 192)
+ return 0;
+ return -1;
+}
+
+static int check_gpio(int gpio)
+{
+ if (gpio_valid(gpio) < 0) {
+ printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
+ return -1;
+ }
+ return 0;
+}
+
+static void _set_gpio_direction(const struct gpio_bank *bank, int gpio,
+ int is_input)
+{
+ void *reg = bank->base;
+ u32 l;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP_GPIO_OE;
+ break;
+ default:
+ return;
+ }
+ l = __raw_readl(reg);
+ if (is_input)
+ l |= 1 << gpio;
+ else
+ l &= ~(1 << gpio);
+ __raw_writel(l, reg);
+}
+
+/**
+ * Get the direction of the GPIO by reading the GPIO_OE register
+ * corresponding to the specified bank.
+ */
+static int _get_gpio_direction(const struct gpio_bank *bank, int gpio)
+{
+ void *reg = bank->base;
+ u32 v;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP_GPIO_OE;
+ break;
+ default:
+ return -1;
+ }
+
+ v = __raw_readl(reg);
+
+ if (v & (1 << gpio))
+ return OMAP_GPIO_DIR_IN;
+ else
+ return OMAP_GPIO_DIR_OUT;
+}
+
+static void _set_gpio_dataout(const struct gpio_bank *bank, int gpio,
+ int enable)
+{
+ void *reg = bank->base;
+ u32 l = 0;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ if (enable)
+ reg += OMAP_GPIO_SETDATAOUT;
+ else
+ reg += OMAP_GPIO_CLEARDATAOUT;
+ l = 1 << gpio;
+ break;
+ default:
+ printf("omap3-gpio unknown bank method %s %d\n",
+ __FILE__, __LINE__);
+ return;
+ }
+ __raw_writel(l, reg);
+}
+
+/**
+ * Set value of the specified gpio
+ */
+int gpio_set_value(unsigned gpio, int value)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return -1;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_dataout(bank, get_gpio_index(gpio), value);
+
+ return 0;
+}
+
+/**
+ * Get value of the specified gpio
+ */
+int gpio_get_value(unsigned gpio)
+{
+ const struct gpio_bank *bank;
+ void *reg;
+ int input;
+
+ if (check_gpio(gpio) < 0)
+ return -1;
+ bank = get_gpio_bank(gpio);
+ reg = bank->base;
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ input = _get_gpio_direction(bank, get_gpio_index(gpio));
+ switch (input) {
+ case OMAP_GPIO_DIR_IN:
+ reg += OMAP_GPIO_DATAIN;
+ break;
+ case OMAP_GPIO_DIR_OUT:
+ reg += OMAP_GPIO_DATAOUT;
+ break;
+ default:
+ return -1;
+ }
+ break;
+ default:
+ return -1;
+ }
+ return (__raw_readl(reg)
+ & (1 << get_gpio_index(gpio))) != 0;
+}
+
+/**
+ * Set gpio direction as input
+ */
+int gpio_direction_input(unsigned gpio)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return -1;
+
+ bank = get_gpio_bank(gpio);
+ _set_gpio_direction(bank, get_gpio_index(gpio), 1);
+
+ return 0;
+}
+
+/**
+ * Set gpio direction as output
+ */
+int gpio_direction_output(unsigned gpio, int value)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return -1;
+
+ bank = get_gpio_bank(gpio);
+ _set_gpio_dataout(bank, get_gpio_index(gpio), value);
+ _set_gpio_direction(bank, get_gpio_index(gpio), 0);
+
+ return 0;
+}
+
+/**
+ * Request a gpio before using it.
+ *
+ * NOTE: Argument 'label' is unused.
+ */
+int gpio_request(unsigned gpio, const char *label)
+{
+ if (check_gpio(gpio) < 0)
+ return -1;
+
+ return 0;
+}
+
+/**
+ * Reset and free the gpio after using it.
+ */
+int gpio_free(unsigned gpio)
+{
+ return 0;
+}
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
#define CONFIG_SYS_I2C_MULTI_EEPROMS
+#define CONFIG_OMAP_GPIO
+
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
*/
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
+#define CONFIG_OMAP_GPIO
#define CONFIG_CM_T3X /* working with CM-T35 and CM-T3730 */
#define CONFIG_SYS_TEXT_BASE 0x80008000
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_DEVKIT8000 1 /* working with DevKit8000 */
#define CONFIG_MACH_TYPE MACH_TYPE_DEVKIT8000
+#define CONFIG_OMAP_GPIO
+
/*
* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
* 64 bytes before this address should be set aside for u-boot.img's
*/
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SYS_TEXT_BASE 0x80008000
*/
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
#define CONFIG_OMAP3_MCX /* working with mcx */
+#define CONFIG_OMAP_GPIO
#define MACH_TYPE_MCX 3656
#define CONFIG_MACH_TYPE MACH_TYPE_MCX
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_BEAGLE 1 /* working with BEAGLE */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
*/
#define CONFIG_OMAP /* This is TI OMAP core */
#define CONFIG_OMAP34XX /* belonging to 34XX family */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
#define CONFIG_OMAP3_LOGIC /* working with Logic OMAP boards */
+#define CONFIG_OMAP_GPIO
#undef CONFIG_USE_IRQ /* no support for IRQs */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_MVBLX 1 /* working with mvBlueLYNX-X */
#define CONFIG_MACH_TYPE MACH_TYPE_MVBLX
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
#define CONFIG_OMAP3_OVERO /* working with overo */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_PANDORA 1 /* working with pandora */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_ZOOM2 1 /* working with Zoom II */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SDRC /* The chip has SDRC controller */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP44XX 1 /* which is a 44XX */
#define CONFIG_OMAP4430 1 /* which is in a 4430 */
+#define CONFIG_OMAP_GPIO
/* Get CPU defs */
#include <asm/arch/cpu.h>
#define CONFIG_OMAP54XX /* which is a 54XX */
#define CONFIG_OMAP5430 /* which is in a 5430 */
#define CONFIG_5430EVM /* working with EVM */
+#define CONFIG_OMAP_GPIO
/* Get CPU defs */
#include <asm/arch/cpu.h>
*/
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP34XX /* which is a 34XX */
+#define CONFIG_OMAP_GPIO
#define CONFIG_SYS_TEXT_BASE 0x80008000
projects / u-boot / commitdiff