diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 15 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/cpu.h | 20 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/gpio.h | 29 |
5 files changed, 75 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 71309a7f47..1104655fea 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -22,6 +22,7 @@ #include <asm/arch/omap.h> #include <asm/arch/ddr_defs.h> #include <asm/arch/clock.h> +#include <asm/arch/gpio.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/common_def.h> #include <asm/io.h> @@ -33,6 +34,15 @@ struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE; struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; +static const struct gpio_bank gpio_bank_am33xx[4] = { + { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX }, + { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX }, + { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX }, + { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX }, +}; + +const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx; + /* UART Defines */ #ifdef CONFIG_SPL_BUILD #define UART_RESET (0x1 << 1) diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index bbb9c1353f..ddce2138c6 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -118,6 +118,21 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmwkup->wkup_i2c0ctrl); while (readl(&cmwkup->wkup_i2c0ctrl) != PRCM_MOD_EN) ; + + /* gpio1 module */ + writel(PRCM_MOD_EN, &cmper->gpio1clkctrl); + while (readl(&cmper->gpio1clkctrl) != PRCM_MOD_EN) + ; + + /* gpio2 module */ + writel(PRCM_MOD_EN, &cmper->gpio2clkctrl); + while (readl(&cmper->gpio2clkctrl) != PRCM_MOD_EN) + ; + + /* gpio3 module */ + writel(PRCM_MOD_EN, &cmper->gpio3clkctrl); + while (readl(&cmper->gpio3clkctrl) != PRCM_MOD_EN) + ; } static void mpu_pll_config(void) diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 2a6625f1c4..1394c3f0f3 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -29,7 +29,7 @@ SOBJS := reset.o COBJS := timer.o COBJS += utils.o -ifdef CONFIG_OMAP +ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP),) COBJS += gpio.o endif diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index a027e3128f..e63ab745f3 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -235,6 +235,26 @@ struct ctrl_stat { unsigned int resv1[16]; unsigned int statusreg; /* ofset 0x40 */ }; + +/* AM33XX GPIO registers */ +#define OMAP_GPIO_REVISION 0x0000 +#define OMAP_GPIO_SYSCONFIG 0x0010 +#define OMAP_GPIO_SYSSTATUS 0x0114 +#define OMAP_GPIO_IRQSTATUS1 0x002c +#define OMAP_GPIO_IRQSTATUS2 0x0030 +#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_CLEARDATAOUT 0x0190 +#define OMAP_GPIO_SETDATAOUT 0x0194 + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL_STRICT_NAMES */ diff --git a/arch/arm/include/asm/arch-am33xx/gpio.h b/arch/arm/include/asm/arch-am33xx/gpio.h new file mode 100644 index 0000000000..1a211e95e8 --- /dev/null +++ b/arch/arm/include/asm/arch-am33xx/gpio.h @@ -0,0 +1,29 @@ +/* + * + * 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 + * + */ +#ifndef _GPIO_AM33xx_H +#define _GPIO_AM33xx_H + +#include <asm/omap_gpio.h> + +#define AM33XX_GPIO0_BASE 0x44E07000 +#define AM33XX_GPIO1_BASE 0x4804C000 +#define AM33XX_GPIO2_BASE 0x481AC000 +#define AM33XX_GPIO3_BASE 0x481AE000 + +#endif /* _GPIO_AM33xx_H */ |