Signed-off-by: Aneesh V aneesh@ti.com --- arch/arm/cpu/armv7/omap-common/Makefile | 1 + arch/arm/cpu/armv7/{omap3 => omap-common}/gpio.c | 41 ++++------ arch/arm/cpu/armv7/omap3/Makefile | 1 - arch/arm/cpu/armv7/omap3/board.c | 12 +++ arch/arm/cpu/armv7/omap4/board.c | 12 +++ arch/arm/cpu/armv7/omap4/clocks.c | 2 +- arch/arm/include/asm/arch-omap3/cpu.h | 26 +++++++ arch/arm/include/asm/arch-omap3/gpio.h | 86 ---------------------- arch/arm/include/asm/arch-omap4/cpu.h | 26 +++++++ arch/arm/include/asm/arch-omap4/omap4.h | 8 ++ 10 files changed, 102 insertions(+), 113 deletions(-) rename arch/arm/cpu/armv7/{omap3 => omap-common}/gpio.c (76%) delete mode 100644 arch/arm/include/asm/arch-omap3/gpio.h
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 0708796..ea9f8ec 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -29,6 +29,7 @@ SOBJS := reset.o
COBJS := timer.o COBJS += utils.o +COBJS += gpio.o
ifdef CONFIG_SPL_BUILD COBJS += spl.o diff --git a/arch/arm/cpu/armv7/omap3/gpio.c b/arch/arm/cpu/armv7/omap-common/gpio.c similarity index 76% rename from arch/arm/cpu/armv7/omap3/gpio.c rename to arch/arm/cpu/armv7/omap-common/gpio.c index aeb6066..f4c3479 100644 --- a/arch/arm/cpu/armv7/omap3/gpio.c +++ b/arch/arm/cpu/armv7/omap-common/gpio.c @@ -36,24 +36,13 @@ * published by the Free Software Foundation. */ #include <common.h> -#include <asm/arch/gpio.h> +#include <asm/omap_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) +static inline const struct gpio_bank *get_gpio_bank(int gpio) { - return &gpio_bank[gpio >> 5]; + return &omap_gpio_bank[gpio >> 5]; }
static inline int get_gpio_index(int gpio) @@ -79,14 +68,15 @@ static int check_gpio(int gpio) return 0; }
-static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input) +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 += OMAP24XX_GPIO_OE; + reg += OMAP_GPIO_OE; break; default: return; @@ -101,7 +91,7 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
void omap_set_gpio_direction(int gpio, int is_input) { - struct gpio_bank *bank; + const struct gpio_bank *bank;
if (check_gpio(gpio) < 0) return; @@ -109,7 +99,8 @@ void omap_set_gpio_direction(int gpio, int is_input) _set_gpio_direction(bank, get_gpio_index(gpio), is_input); }
-static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) +static void _set_gpio_dataout(const struct gpio_bank *bank, int gpio, + int enable) { void *reg = bank->base; u32 l = 0; @@ -117,9 +108,9 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) switch (bank->method) { case METHOD_GPIO_24XX: if (enable) - reg += OMAP24XX_GPIO_SETDATAOUT; + reg += OMAP_GPIO_SETDATAOUT; else - reg += OMAP24XX_GPIO_CLEARDATAOUT; + reg += OMAP_GPIO_CLEARDATAOUT; l = 1 << gpio; break; default: @@ -132,7 +123,7 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
void omap_set_gpio_dataout(int gpio, int enable) { - struct gpio_bank *bank; + const struct gpio_bank *bank;
if (check_gpio(gpio) < 0) return; @@ -142,7 +133,7 @@ void omap_set_gpio_dataout(int gpio, int enable)
int omap_get_gpio_datain(int gpio) { - struct gpio_bank *bank; + const struct gpio_bank *bank; void *reg;
if (check_gpio(gpio) < 0) @@ -151,7 +142,7 @@ int omap_get_gpio_datain(int gpio) reg = bank->base; switch (bank->method) { case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_DATAIN; + reg += OMAP_GPIO_DATAIN; break; default: return -EINVAL; @@ -160,7 +151,7 @@ int omap_get_gpio_datain(int gpio) & (1 << get_gpio_index(gpio))) != 0; }
-static void _reset_gpio(struct gpio_bank *bank, int gpio) +static void _reset_gpio(const struct gpio_bank *bank, int gpio) { _set_gpio_direction(bank, get_gpio_index(gpio), 1); } @@ -175,7 +166,7 @@ int omap_request_gpio(int gpio)
void omap_free_gpio(int gpio) { - struct gpio_bank *bank; + const struct gpio_bank *bank;
if (check_gpio(gpio) < 0) return; diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile index 522bcd2..8e85891 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap3/Makefile @@ -29,7 +29,6 @@ SOBJS := lowlevel_init.o
COBJS += board.o COBJS += clock.o -COBJS += gpio.o COBJS += mem.o COBJS += sys_info.o
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 98519a9..4aaf97b 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -38,12 +38,24 @@ #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 diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c index 17e731a..3c61b1c 100644 --- a/arch/arm/cpu/armv7/omap4/board.c +++ b/arch/arm/cpu/armv7/omap4/board.c @@ -33,12 +33,24 @@ #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. diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index f1e233a..660b329 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -830,9 +830,9 @@ void prcm_init(void) 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; diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h index e944de7..08a725d 100644 --- a/arch/arm/include/asm/arch-omap3/cpu.h +++ b/arch/arm/include/asm/arch-omap3/cpu.h @@ -498,4 +498,30 @@ struct pm { /* 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 */ diff --git a/arch/arm/include/asm/arch-omap3/gpio.h b/arch/arm/include/asm/arch-omap3/gpio.h deleted file mode 100644 index 30f633c..0000000 --- a/arch/arm/include/asm/arch-omap3/gpio.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * 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_ */ diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h index 7d5748a..08b9c99 100644 --- a/arch/arm/include/asm/arch-omap4/cpu.h +++ b/arch/arm/include/asm/arch-omap4/cpu.h @@ -142,4 +142,30 @@ struct watchdog { /* 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 */ diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h index 7ff46d7..9aad0e6 100644 --- a/arch/arm/include/asm/arch-omap4/omap4.h +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -153,4 +153,12 @@ struct s32ktimer { #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