COBJS := timer.o
COBJS += utils.o
+COBJS += gpio.o
ifdef CONFIG_SPL_BUILD
COBJS += spl.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/omap_gpio.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+
+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);
+}
+
+void omap_set_gpio_direction(int gpio, int is_input)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
+}
+
+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);
+}
+
+void omap_set_gpio_dataout(int gpio, int enable)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
+}
+
+int omap_get_gpio_datain(int gpio)
+{
+ const struct gpio_bank *bank;
+ void *reg;
+
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+ bank = get_gpio_bank(gpio);
+ reg = bank->base;
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP_GPIO_DATAIN;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return (__raw_readl(reg)
+ & (1 << get_gpio_index(gpio))) != 0;
+}
+
+static void _reset_gpio(const struct gpio_bank *bank, int gpio)
+{
+ _set_gpio_direction(bank, get_gpio_index(gpio), 1);
+}
+
+int omap_request_gpio(int gpio)
+{
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+void omap_free_gpio(int gpio)
+{
+ const struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+
+ _reset_gpio(bank, gpio);
+}
COBJS += board.o
COBJS += clock.o
-COBJS += gpio.o
COBJS += mem.o
COBJS += sys_info.o
#include <asm/arch/mem.h>
#include <asm/cache.h>
#include <asm/armv7.h>
+#include <asm/omap_gpio.h>
/* Declarations */
extern omap3_sysinfo sysinfo;
static void omap3_setup_aux_cr(void);
static void omap3_invalidate_l2_cache_secure(void);
+static const struct gpio_bank gpio_bank_34xx[6] = {
+ { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
+
/******************************************************************************
* Routine: delay
* Description: spinning delay to use before udelay works
+++ /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/arch/gpio.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-
-static struct gpio_bank gpio_bank_34xx[6] = {
- { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
-};
-
-static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
-
-static inline struct gpio_bank *get_gpio_bank(int gpio)
-{
- return &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(struct gpio_bank *bank, int gpio, int is_input)
-{
- void *reg = bank->base;
- u32 l;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_OE;
- break;
- default:
- return;
- }
- l = __raw_readl(reg);
- if (is_input)
- l |= 1 << gpio;
- else
- l &= ~(1 << gpio);
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_direction(int gpio, int is_input)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
-}
-
-static void _set_gpio_dataout(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 += OMAP24XX_GPIO_SETDATAOUT;
- else
- reg += OMAP24XX_GPIO_CLEARDATAOUT;
- l = 1 << gpio;
- break;
- default:
- printf("omap3-gpio unknown bank method %s %d\n",
- __FILE__, __LINE__);
- return;
- }
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_dataout(int gpio, int enable)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
-}
-
-int omap_get_gpio_datain(int gpio)
-{
- struct gpio_bank *bank;
- void *reg;
-
- if (check_gpio(gpio) < 0)
- return -EINVAL;
- bank = get_gpio_bank(gpio);
- reg = bank->base;
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_DATAIN;
- break;
- default:
- return -EINVAL;
- }
- return (__raw_readl(reg)
- & (1 << get_gpio_index(gpio))) != 0;
-}
-
-static void _reset_gpio(struct gpio_bank *bank, int gpio)
-{
- _set_gpio_direction(bank, get_gpio_index(gpio), 1);
-}
-
-int omap_request_gpio(int gpio)
-{
- if (check_gpio(gpio) < 0)
- return -EINVAL;
-
- return 0;
-}
-
-void omap_free_gpio(int gpio)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
-
- _reset_gpio(bank, gpio);
-}
#include <asm/arch/sys_proto.h>
#include <asm/sizes.h>
#include <asm/arch/emif.h>
+#include <asm/omap_gpio.h>
#include "omap4_mux_data.h"
DECLARE_GLOBAL_DATA_PTR;
u32 *const omap4_revision = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
+static const struct gpio_bank gpio_bank_44xx[6] = {
+ { (void *)OMAP44XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_44xx;
+
#ifdef CONFIG_SPL_BUILD
/*
* We use static variables because global data is not ready yet.
case OMAP_INIT_CONTEXT_SPL:
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
+ enable_basic_clocks();
scale_vcores();
setup_dplls();
- enable_basic_clocks();
setup_non_essential_dplls();
enable_non_essential_clocks();
break;
/* MUSB base */
#define MUSB_BASE (OMAP34XX_CORE_L4_IO_BASE + 0xAB000)
+/* OMAP3 GPIO registers */
+#define OMAP_GPIO_REVISION 0x0000
+#define OMAP_GPIO_SYSCONFIG 0x0010
+#define OMAP_GPIO_SYSSTATUS 0x0014
+#define OMAP_GPIO_IRQSTATUS1 0x0018
+#define OMAP_GPIO_IRQSTATUS2 0x0028
+#define OMAP_GPIO_IRQENABLE2 0x002c
+#define OMAP_GPIO_IRQENABLE1 0x001c
+#define OMAP_GPIO_WAKE_EN 0x0020
+#define OMAP_GPIO_CTRL 0x0030
+#define OMAP_GPIO_OE 0x0034
+#define OMAP_GPIO_DATAIN 0x0038
+#define OMAP_GPIO_DATAOUT 0x003c
+#define OMAP_GPIO_LEVELDETECT0 0x0040
+#define OMAP_GPIO_LEVELDETECT1 0x0044
+#define OMAP_GPIO_RISINGDETECT 0x0048
+#define OMAP_GPIO_FALLINGDETECT 0x004c
+#define OMAP_GPIO_DEBOUNCE_EN 0x0050
+#define OMAP_GPIO_DEBOUNCE_VAL 0x0054
+#define OMAP_GPIO_CLEARIRQENABLE1 0x0060
+#define OMAP_GPIO_SETIRQENABLE1 0x0064
+#define OMAP_GPIO_CLEARWKUENA 0x0080
+#define OMAP_GPIO_SETWKUENA 0x0084
+#define OMAP_GPIO_CLEARDATAOUT 0x0090
+#define OMAP_GPIO_SETDATAOUT 0x0094
+
#endif /* _CPU_H */
+++ /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.
- */
-#ifndef _GPIO_H
-#define _GPIO_H
-
-#define OMAP24XX_GPIO_REVISION 0x0000
-#define OMAP24XX_GPIO_SYSCONFIG 0x0010
-#define OMAP24XX_GPIO_SYSSTATUS 0x0014
-#define OMAP24XX_GPIO_IRQSTATUS1 0x0018
-#define OMAP24XX_GPIO_IRQSTATUS2 0x0028
-#define OMAP24XX_GPIO_IRQENABLE2 0x002c
-#define OMAP24XX_GPIO_IRQENABLE1 0x001c
-#define OMAP24XX_GPIO_WAKE_EN 0x0020
-#define OMAP24XX_GPIO_CTRL 0x0030
-#define OMAP24XX_GPIO_OE 0x0034
-#define OMAP24XX_GPIO_DATAIN 0x0038
-#define OMAP24XX_GPIO_DATAOUT 0x003c
-#define OMAP24XX_GPIO_LEVELDETECT0 0x0040
-#define OMAP24XX_GPIO_LEVELDETECT1 0x0044
-#define OMAP24XX_GPIO_RISINGDETECT 0x0048
-#define OMAP24XX_GPIO_FALLINGDETECT 0x004c
-#define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050
-#define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054
-#define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060
-#define OMAP24XX_GPIO_SETIRQENABLE1 0x0064
-#define OMAP24XX_GPIO_CLEARWKUENA 0x0080
-#define OMAP24XX_GPIO_SETWKUENA 0x0084
-#define OMAP24XX_GPIO_CLEARDATAOUT 0x0090
-#define OMAP24XX_GPIO_SETDATAOUT 0x0094
-
-struct gpio_bank {
- void *base;
- int method;
-};
-
-#define METHOD_GPIO_24XX 4
-
-/* This is the interface */
-
-/* Request a gpio before using it */
-int omap_request_gpio(int gpio);
-/* Reset and free a gpio after using it */
-void omap_free_gpio(int gpio);
-/* Sets the gpio as input or output */
-void omap_set_gpio_direction(int gpio, int is_input);
-/* Set or clear a gpio output */
-void omap_set_gpio_dataout(int gpio, int enable);
-/* Get the value of a gpio input */
-int omap_get_gpio_datain(int gpio);
-
-#endif /* _GPIO_H_ */
/* MUSB base */
#define MUSB_BASE (OMAP44XX_L4_CORE_BASE + 0xAB000)
+/* OMAP4 GPIO registers */
+#define OMAP_GPIO_REVISION 0x0000
+#define OMAP_GPIO_SYSCONFIG 0x0010
+#define OMAP_GPIO_SYSSTATUS 0x0114
+#define OMAP_GPIO_IRQSTATUS1 0x0118
+#define OMAP_GPIO_IRQSTATUS2 0x0128
+#define OMAP_GPIO_IRQENABLE2 0x012c
+#define OMAP_GPIO_IRQENABLE1 0x011c
+#define OMAP_GPIO_WAKE_EN 0x0120
+#define OMAP_GPIO_CTRL 0x0130
+#define OMAP_GPIO_OE 0x0134
+#define OMAP_GPIO_DATAIN 0x0138
+#define OMAP_GPIO_DATAOUT 0x013c
+#define OMAP_GPIO_LEVELDETECT0 0x0140
+#define OMAP_GPIO_LEVELDETECT1 0x0144
+#define OMAP_GPIO_RISINGDETECT 0x0148
+#define OMAP_GPIO_FALLINGDETECT 0x014c
+#define OMAP_GPIO_DEBOUNCE_EN 0x0150
+#define OMAP_GPIO_DEBOUNCE_VAL 0x0154
+#define OMAP_GPIO_CLEARIRQENABLE1 0x0160
+#define OMAP_GPIO_SETIRQENABLE1 0x0164
+#define OMAP_GPIO_CLEARWKUENA 0x0180
+#define OMAP_GPIO_SETWKUENA 0x0184
+#define OMAP_GPIO_CLEARDATAOUT 0x0190
+#define OMAP_GPIO_SETDATAOUT 0x0194
+
#endif /* _CPU_H */
#define DEV_DATA_PTR_OFFSET 0x18
#define BOOT_MODE_OFFSET 0x8
+/* GPIO */
+#define OMAP44XX_GPIO1_BASE 0x4A310000
+#define OMAP44XX_GPIO2_BASE 0x48055000
+#define OMAP44XX_GPIO3_BASE 0x48057000
+#define OMAP44XX_GPIO4_BASE 0x48059000
+#define OMAP44XX_GPIO5_BASE 0x4805B000
+#define OMAP44XX_GPIO6_BASE 0x4805D000
+
#endif
--- /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.
+ */
+#ifndef _GPIO_H
+#define _GPIO_H
+
+#include <asm/arch/cpu.h>
+
+struct gpio_bank {
+ void *base;
+ int method;
+};
+
+extern const struct gpio_bank *const omap_gpio_bank;
+
+#define METHOD_GPIO_24XX 4
+
+/* This is the interface */
+
+/* Request a gpio before using it */
+int omap_request_gpio(int gpio);
+/* Reset and free a gpio after using it */
+void omap_free_gpio(int gpio);
+/* Sets the gpio as input or output */
+void omap_set_gpio_direction(int gpio, int is_input);
+/* Set or clear a gpio output */
+void omap_set_gpio_dataout(int gpio, int enable);
+/* Get the value of a gpio input */
+int omap_get_gpio_datain(int gpio);
+
+#endif /* _GPIO_H_ */
projects / oweals / u-boot.git / commitdiff