Based on ST-Ericsson internal git repo.
Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: John Rigby john.rigby@linaro.org CC: Albert Aribaud albert.aribaud@free.fr --- v2: cleanup, mostly removal of unused defines v3: remove prototype from sys_proto.h as suggested by Wolfgang v4: incorporate changes suggested by Albert: Add copyright to arch/arm/cpu/armv7/u8500/lowlevel.S Remove confusing/incorrect timer comment in arch/arm/cpu/armv7/u8500/timer.c Remove reset timer functions from ..../timer.c
arch/arm/cpu/armv7/u8500/Makefile | 46 +++++ arch/arm/cpu/armv7/u8500/clock.c | 56 ++++++ arch/arm/cpu/armv7/u8500/lowlevel.S | 35 ++++ arch/arm/cpu/armv7/u8500/timer.c | 154 +++++++++++++++++ arch/arm/include/asm/arch-u8500/clock.h | 72 ++++++++ arch/arm/include/asm/arch-u8500/gpio.h | 247 +++++++++++++++++++++++++++ arch/arm/include/asm/arch-u8500/hardware.h | 83 +++++++++ arch/arm/include/asm/arch-u8500/sys_proto.h | 27 +++ arch/arm/include/asm/arch-u8500/u8500.h | 47 +++++ 9 files changed, 767 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/u8500/Makefile create mode 100644 arch/arm/cpu/armv7/u8500/clock.c create mode 100644 arch/arm/cpu/armv7/u8500/lowlevel.S create mode 100644 arch/arm/cpu/armv7/u8500/timer.c create mode 100644 arch/arm/include/asm/arch-u8500/clock.h create mode 100644 arch/arm/include/asm/arch-u8500/gpio.h create mode 100644 arch/arm/include/asm/arch-u8500/hardware.h create mode 100644 arch/arm/include/asm/arch-u8500/sys_proto.h create mode 100644 arch/arm/include/asm/arch-u8500/u8500.h
diff --git a/arch/arm/cpu/armv7/u8500/Makefile b/arch/arm/cpu/armv7/u8500/Makefile new file mode 100644 index 0000000..270aa40 --- /dev/null +++ b/arch/arm/cpu/armv7/u8500/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS = timer.o clock.o +SOBJS = lowlevel.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/u8500/clock.c b/arch/arm/cpu/armv7/u8500/clock.c new file mode 100644 index 0000000..9e3b873 --- /dev/null +++ b/arch/arm/cpu/armv7/u8500/clock.c @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2009 ST-Ericsson + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct clkrst { + unsigned int pcken; + unsigned int pckdis; + unsigned int kcken; + unsigned int kckdis; +}; + +static unsigned int clkrst_base[] = { + U8500_CLKRST1_BASE, + U8500_CLKRST2_BASE, + U8500_CLKRST3_BASE, + 0, + U8500_CLKRST5_BASE, + U8500_CLKRST6_BASE, + U8500_CLKRST7_BASE, /* ED only */ +}; + +/* Turn on peripheral clock at PRCC level */ +void u8500_clock_enable(int periph, int cluster, int kern) +{ + struct clkrst *clkrst = (struct clkrst *) clkrst_base[periph - 1]; + + if (kern != -1) + writel(1 << kern, &clkrst->kcken); + + if (cluster != -1) + writel(1 << cluster, &clkrst->pcken); +} diff --git a/arch/arm/cpu/armv7/u8500/lowlevel.S b/arch/arm/cpu/armv7/u8500/lowlevel.S new file mode 100644 index 0000000..743071c --- /dev/null +++ b/arch/arm/cpu/armv7/u8500/lowlevel.S @@ -0,0 +1,35 @@ +/* + * (C) Copyright 2011 ST-Ericsson + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <config.h> + +.globl lowlevel_init +lowlevel_init: + mov pc, lr + + .align 5 +.globl reset_cpu +reset_cpu: + ldr r0, =CFG_PRCMU_BASE + ldr r1, =0x1 + str r1, [r0, #0x228] +_loop_forever: + b _loop_forever diff --git a/arch/arm/cpu/armv7/u8500/timer.c b/arch/arm/cpu/armv7/u8500/timer.c new file mode 100644 index 0000000..8e96eaa --- /dev/null +++ b/arch/arm/cpu/armv7/u8500/timer.c @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2010 Linaro Limited + * John Rigby john.rigby@linaro.org + * + * Based on original from Linux kernel source and + * internal ST-Ericsson U-Boot source. + * (C) Copyright 2009 Alessandro Rubini + * (C) Copyright 2010 ST-Ericsson + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * The MTU device has some interrupt control registers + * followed by 4 timers. + */ + +/* The timers */ +struct u8500_mtu_timer { + u32 lr; /* Load value */ + u32 cv; /* Current value */ + u32 cr; /* Control reg */ + u32 bglr; /* ??? */ +}; + +/* The MTU that contains the timers */ +struct u8500_mtu { + u32 imsc; /* Interrupt mask set/clear */ + u32 ris; /* Raw interrupt status */ + u32 mis; /* Masked interrupt status */ + u32 icr; /* Interrupt clear register */ + struct u8500_mtu_timer pt[4]; +}; + +/* bits for the control register */ +#define MTU_CR_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR */ +#define MTU_CR_32BITS 0x02 + +#define MTU_CR_PRESCALE_1 0x00 +#define MTU_CR_PRESCALE_16 0x04 +#define MTU_CR_PRESCALE_256 0x08 +#define MTU_CR_PRESCALE_MASK 0x0c + +#define MTU_CR_PERIODIC 0x40 /* if 0 = free-running */ +#define MTU_CR_ENA 0x80 + +/* + * The MTU is clocked at 133 MHz by default. (V1 and later) + */ +#define TIMER_CLOCK (133 * 1000 * 1000 / 16) +#define COUNT_TO_USEC(x) ((x) * 16 / 133) +#define USEC_TO_COUNT(x) ((x) * 133 / 16) +#define TICKS_PER_HZ (TIMER_CLOCK / CONFIG_SYS_HZ) +#define TICKS_TO_HZ(x) ((x) / TICKS_PER_HZ) +#define TIMER_LOAD_VAL 0xffffffff + +/* + * MTU timer to use (from 0 to 3). + */ +#define MTU_TIMER 2 + +static struct u8500_mtu_timer *timer_base = + &((struct u8500_mtu *)U8500_MTU0_BASE_V1)->pt[MTU_TIMER]; + +/* macro to read the 32 bit timer: since it decrements, we invert read value */ +#define READ_TIMER() (~readl(&timer_base->cv)) + +/* Configure a free-running, auto-wrap counter with /16 prescaler */ +int timer_init(void) +{ + writel(MTU_CR_ENA | MTU_CR_PRESCALE_16 | MTU_CR_32BITS, + &timer_base->cr); + return 0; +} + +ulong get_timer_masked(void) +{ + /* current tick value */ + ulong now = TICKS_TO_HZ(READ_TIMER()); + + if (now >= gd->lastinc) /* normal (non rollover) */ + gd->tbl += (now - gd->lastinc); + else /* rollover */ + gd->tbl += (TICKS_TO_HZ(TIMER_LOAD_VAL) - gd->lastinc) + now; + gd->lastinc = now; + return gd->tbl; +} + +/* Delay x useconds */ +void __udelay(ulong usec) +{ + long tmo = usec * (TIMER_CLOCK / 1000) / 1000; + ulong now, last = READ_TIMER(); + + while (tmo > 0) { + now = READ_TIMER(); + if (now > last) /* normal (non rollover) */ + tmo -= now - last; + else /* rollover */ + tmo -= TIMER_LOAD_VAL - last + now; + last = now; + } +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void set_timer(ulong t) +{ + gd->tbl = t; +} + +/* + * Emulation of Power architecture long long timebase. + * + * TODO: Support gd->tbu for real long long timebase. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * Emulation of Power architecture timebase. + * NB: Low resolution compared to Power tbclk. + */ +ulong get_tbclk(void) +{ + return CONFIG_SYS_HZ; +} diff --git a/arch/arm/include/asm/arch-u8500/clock.h b/arch/arm/include/asm/arch-u8500/clock.h new file mode 100644 index 0000000..b00ab0d --- /dev/null +++ b/arch/arm/include/asm/arch-u8500/clock.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) ST-Ericsson SA 2009 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 __ASM_ARCH_CLOCK +#define __ASM_ARCH_CLOCK + +struct prcmu { + unsigned int armclkfix_mgt; + unsigned int armclk_mgt; + unsigned int svammdspclk_mgt; + unsigned int siammdspclk_mgt; + unsigned int reserved; + unsigned int sgaclk_mgt; + unsigned int uartclk_mgt; + unsigned int msp02clk_mgt; + unsigned int i2cclk_mgt; + unsigned int sdmmcclk_mgt; + unsigned int slimclk_mgt; + unsigned int per1clk_mgt; + unsigned int per2clk_mgt; + unsigned int per3clk_mgt; + unsigned int per5clk_mgt; + unsigned int per6clk_mgt; + unsigned int per7clk_mgt; + unsigned int lcdclk_mgt; + unsigned int reserved1; + unsigned int bmlclk_mgt; + unsigned int hsitxclk_mgt; + unsigned int hsirxclk_mgt; + unsigned int hdmiclk_mgt; + unsigned int apeatclk_mgt; + unsigned int apetraceclk_mgt; + unsigned int mcdeclk_mgt; + unsigned int ipi2cclk_mgt; + unsigned int dsialtclk_mgt; + unsigned int spare2clk_mgt; + unsigned int dmaclk_mgt; + unsigned int b2r2clk_mgt; + unsigned int tvclk_mgt; + unsigned int unused[82]; + unsigned int tcr; + unsigned int unused1[23]; + unsigned int ape_softrst; +}; + +extern void u8500_clock_enable(int periph, int kern, int cluster); + +static inline void u8500_prcmu_enable(unsigned int *reg) +{ + writel(readl(reg) | (1 << 8), reg); +} + +#endif /* __ASM_ARCH_CLOCK */ diff --git a/arch/arm/include/asm/arch-u8500/gpio.h b/arch/arm/include/asm/arch-u8500/gpio.h new file mode 100644 index 0000000..769def1 --- /dev/null +++ b/arch/arm/include/asm/arch-u8500/gpio.h @@ -0,0 +1,247 @@ +/* + * Copyright (C) ST-Ericsson SA 2009 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 _UX500_GPIO_h +#define _UX500_GPIO_h + +#include <asm/types.h> +#include <asm/io.h> +#include <asm/errno.h> + +#include <asm/arch/sys_proto.h> +#include <asm/arch/u8500.h> + +#define GPIO_TOTAL_PINS 268 + +#define GPIO_PINS_PER_BLOCK 32 +#define GPIO_BLOCKS_COUNT (GPIO_TOTAL_PINS/GPIO_PINS_PER_BLOCK + 1) +#define GPIO_BLOCK(pin) (((pin + GPIO_PINS_PER_BLOCK) >> 5) - 1) + + +struct gpio_register { + u32 gpio_dat; /* data register *//*0x000 */ + u32 gpio_dats; /* data Set register *//*0x004 */ + u32 gpio_datc; /* data Clear register *//*0x008 */ + u32 gpio_pdis; /* Pull disable register *//*0x00C */ + u32 gpio_dir; /* data direction register *//*0x010 */ + u32 gpio_dirs; /* data dir Set register *//*0x014 */ + u32 gpio_dirc; /* data dir Clear register *//*0x018 */ + u32 gpio_slpm; /* Sleep mode register *//*0x01C */ + u32 gpio_afsa; /* AltFun A Select reg *//*0x020 */ + u32 gpio_afsb; /* AltFun B Select reg *//*0x024 */ + u32 gpio_lowemi;/* low EMI Select reg *//*0x028 */ + u32 reserved_1[(0x040 - 0x02C) >> 2]; /*0x028-0x3C Reserved*/ + u32 gpio_rimsc; /* rising edge intr set/clear *//*0x040 */ + u32 gpio_fimsc; /* falling edge intr set/clear register *//*0x044 */ + u32 gpio_mis; /* masked interrupt status register *//*0x048 */ + u32 gpio_ic; /* Interrupt Clear register *//*0x04C */ + u32 gpio_rwimsc;/* Rising-edge Wakeup IMSC register *//*0x050 */ + u32 gpio_fwimsc;/* Falling-edge Wakeup IMSC register *//*0x054 */ + u32 gpio_wks; /* Wakeup Status register *//*0x058 */ +}; + +/* Error values returned by functions */ +enum gpio_error { + GPIO_OK = 0, + GPIO_UNSUPPORTED_HW = -2, + GPIO_UNSUPPORTED_FEATURE = -3, + GPIO_INVALID_PARAMETER = -4, + GPIO_REQUEST_NOT_APPLICABLE = -5, + GPIO_REQUEST_PENDING = -6, + GPIO_NOT_CONFIGURED = -7, + GPIO_INTERNAL_ERROR = -8, + GPIO_INTERNAL_EVENT = 1, + GPIO_REMAINING_EVENT = 2, + GPIO_NO_MORE_PENDING_EVENT = 3, + GPIO_INVALID_CLIENT = -25, + GPIO_INVALID_PIN = -26, + GPIO_PIN_BUSY = -27, + GPIO_PIN_NOT_ALLOCATED = -28, + GPIO_WRONG_CLIENT = -29, + GPIO_UNSUPPORTED_ALTFUNC = -30, +}; + +/*GPIO DEVICE ID */ +enum gpio_device_id { + GPIO_DEVICE_ID_0, + GPIO_DEVICE_ID_1, + GPIO_DEVICE_ID_2, + GPIO_DEVICE_ID_3, + GPIO_DEVICE_ID_INVALID +}; + +/* + * Alternate Function: + * refered in altfun_table to pointout particular altfun to be enabled + * when using GPIO_ALT_FUNCTION A/B/C enable/disable operation + */ +enum gpio_alt_function { + GPIO_ALT_UART_0_MODEM, + GPIO_ALT_UART_0_NO_MODEM, + GPIO_ALT_UART_1, + GPIO_ALT_UART_2, + GPIO_ALT_I2C_0, + GPIO_ALT_I2C_1, + GPIO_ALT_I2C_2, + GPIO_ALT_I2C_3, + GPIO_ALT_MSP_0, + GPIO_ALT_MSP_1, + GPIO_ALT_MSP_2, + GPIO_ALT_MSP_3, + GPIO_ALT_MSP_4, + GPIO_ALT_MSP_5, + GPIO_ALT_SSP_0, + GPIO_ALT_SSP_1, + GPIO_ALT_MM_CARD0, + GPIO_ALT_SD_CARD0, + GPIO_ALT_DMA_0, + GPIO_ALT_DMA_1, + GPIO_ALT_HSI0, + GPIO_ALT_CCIR656_INPUT, + GPIO_ALT_CCIR656_OUTPUT, + GPIO_ALT_LCD_PANEL, + GPIO_ALT_MDIF, + GPIO_ALT_SDRAM, + GPIO_ALT_HAMAC_AUDIO_DBG, + GPIO_ALT_HAMAC_VIDEO_DBG, + GPIO_ALT_CLOCK_RESET, + GPIO_ALT_TSP, + GPIO_ALT_IRDA, + GPIO_ALT_USB_MINIMUM, + GPIO_ALT_USB_I2C, + GPIO_ALT_OWM, + GPIO_ALT_PWL, + GPIO_ALT_FSMC, + GPIO_ALT_COMP_FLASH, + GPIO_ALT_SRAM_NOR_FLASH, + GPIO_ALT_FSMC_ADDLINE_0_TO_15, + GPIO_ALT_SCROLL_KEY, + GPIO_ALT_MSHC, + GPIO_ALT_HPI, + GPIO_ALT_USB_OTG, + GPIO_ALT_SDIO, + GPIO_ALT_HSMMC, + GPIO_ALT_FSMC_ADD_DATA_0_TO_25, + GPIO_ALT_HSI1, + GPIO_ALT_NOR, + GPIO_ALT_NAND, + GPIO_ALT_KEYPAD, + GPIO_ALT_VPIP, + GPIO_ALT_CAM, + GPIO_ALT_CCP1, + GPIO_ALT_EMMC, + GPIO_ALT_POP_EMMC, + GPIO_ALT_FUNMAX /* Add new alt func before this */ +}; + +/* Defines pin assignment(Software mode or Alternate mode) */ +enum gpio_mode { + GPIO_MODE_LEAVE_UNCHANGED, /* Parameter will be ignored */ + GPIO_MODE_SOFTWARE, /* Pin connected to GPIO (SW controlled) */ + GPIO_ALTF_A, /* Pin connected to altfunc 1 (HW periph 1) */ + GPIO_ALTF_B, /* Pin connected to altfunc 2 (HW periph 2) */ + GPIO_ALTF_C, /* Pin connected to altfunc 3 (HW periph 3) */ + GPIO_ALTF_FIND, /* Pin connected to altfunc 3 (HW periph 3) */ + GPIO_ALTF_DISABLE /* Pin connected to altfunc 3 (HW periph 3) */ +}; + +/* Defines GPIO pin direction */ +enum gpio_direction { + GPIO_DIR_LEAVE_UNCHANGED, /* Parameter will be ignored */ + GPIO_DIR_INPUT, /* GPIO set as input */ + GPIO_DIR_OUTPUT /* GPIO set as output */ +}; + +/* Interrupt trigger mode */ +enum gpio_trig { + GPIO_TRIG_LEAVE_UNCHANGED, /* Parameter will be ignored */ + GPIO_TRIG_DISABLE, /* Trigger no IT */ + GPIO_TRIG_RISING_EDGE, /* Trigger an IT on rising edge */ + GPIO_TRIG_FALLING_EDGE, /* Trigger an IT on falling edge */ + GPIO_TRIG_BOTH_EDGES, /* Trigger an IT on rising and falling edge */ + GPIO_TRIG_HIGH_LEVEL, /* Trigger an IT on high level */ + GPIO_TRIG_LOW_LEVEL /* Trigger an IT on low level */ +}; + +/* Configuration parameters for one GPIO pin.*/ +struct gpio_config { + enum gpio_mode mode; + enum gpio_direction direction; + enum gpio_trig trig; + char *dev_name; /* Who owns the gpio pin */ +}; + +/* GPIO pin data*/ +enum gpio_data { + GPIO_DATA_LOW, + GPIO_DATA_HIGH +}; + +/* GPIO behaviour in sleep mode */ +enum gpio_sleep_mode { + GPIO_SLEEP_MODE_LEAVE_UNCHANGED, /* Parameter will be ignored */ + GPIO_SLEEP_MODE_INPUT_DEFAULTVOLT, /* GPIO is an input with pull + up/down enabled when in sleep + mode. */ + GPIO_SLEEP_MODE_CONTROLLED_BY_GPIO /* GPIO pin is controlled by + GPIO IP. So mode, direction + and data values for GPIO pin + in sleep mode are determined + by configuration set to GPIO + pin before entering to sleep + mode. */ +}; + +/* GPIO ability to wake the system up from sleep mode.*/ +enum gpio_wake { + GPIO_WAKE_LEAVE_UNCHANGED, /* Parameter will be ignored */ + GPIO_WAKE_DISABLE, /* No wake of system from sleep mode. */ + GPIO_WAKE_LOW_LEVEL, /* Wake the system up on a LOW level. */ + GPIO_WAKE_HIGH_LEVEL, /* Wake the system up on a HIGH level. */ + GPIO_WAKE_RISING_EDGE, /* Wake the system up on a RISING edge. */ + GPIO_WAKE_FALLING_EDGE, /* Wake the system up on a FALLING edge. */ + GPIO_WAKE_BOTH_EDGES /* Wake the system up on both RISE and FALL. */ +}; + +/* Configuration parameters for one GPIO pin in sleep mode.*/ +struct gpio_sleep_config { + enum gpio_sleep_mode sleep_mode;/* GPIO behaviour in sleep mode. */ + enum gpio_wake wake; /* GPIO ability to wake up system. */ +}; + +extern int gpio_setpinconfig(int pin_id, struct gpio_config *pin_config); +extern int gpio_resetpinconfig(int pin_id, char *dev_name); +extern int gpio_writepin(int pin_id, enum gpio_data value, char *dev_name); +extern int gpio_readpin(int pin_id, enum gpio_data *value); +extern int gpio_altfuncenable(enum gpio_alt_function altfunc, + char *dev_name); +extern int gpio_altfuncdisable(enum gpio_alt_function altfunc, + char *dev_name); + +struct gpio_altfun_data { + u16 altfun; + u16 start; + u16 end; + u16 cont; + u8 type; +}; +#endif diff --git a/arch/arm/include/asm/arch-u8500/hardware.h b/arch/arm/include/asm/arch-u8500/hardware.h new file mode 100644 index 0000000..6bb95ec --- /dev/null +++ b/arch/arm/include/asm/arch-u8500/hardware.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) ST-Ericsson SA 2009 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* Peripheral clusters */ + +#define U8500_PER3_BASE 0x80000000 +#define U8500_PER2_BASE 0x80110000 +#define U8500_PER1_BASE 0x80120000 +#define U8500_PER4_BASE 0x80150000 + +#define U8500_PER6_BASE 0xa03c0000 +#define U8500_PER7_BASE 0xa03d0000 +#define U8500_PER5_BASE 0xa03e0000 + +/* GPIO */ + +#define U8500_GPIO0_BASE (U8500_PER1_BASE + 0xE000) +#define U8500_GPIO1_BASE (U8500_PER1_BASE + 0xE000 + 0x80) + +#define U8500_GPIO2_BASE (U8500_PER3_BASE + 0xE000) +#define U8500_GPIO3_BASE (U8500_PER3_BASE + 0xE000 + 0x80) +#define U8500_GPIO4_BASE (U8500_PER3_BASE + 0xE000 + 0x100) +#define U8500_GPIO5_BASE (U8500_PER3_BASE + 0xE000 + 0x180) + +#define U8500_GPIO6_BASE (U8500_PER2_BASE + 0xE000) +#define U8500_GPIO7_BASE (U8500_PER2_BASE + 0xE000 + 0x80) + +#define U8500_GPIO8_BASE (U8500_PER5_BASE + 0x1E000) + +/* Per7 */ +#define U8500_CLKRST7_BASE (U8500_PER7_BASE + 0xf000) + +/* Per6 */ +#define U8500_MTU0_BASE_V1 (U8500_PER6_BASE + 0x6000) +#define U8500_MTU1_BASE_V1 (U8500_PER6_BASE + 0x7000) +#define U8500_CLKRST6_BASE (U8500_PER6_BASE + 0xf000) + +/* Per5 */ +#define U8500_CLKRST5_BASE (U8500_PER5_BASE + 0x1f000) + +/* Per4 */ +#define U8500_PRCMU_BASE (U8500_PER4_BASE + 0x07000) +#define U8500_PRCMU_TCDM_BASE (U8500_PER4_BASE + 0x0f000) + +/* Per3 */ +#define U8500_UART2_BASE (U8500_PER3_BASE + 0x7000) +#define U8500_CLKRST3_BASE (U8500_PER3_BASE + 0xf000) + +/* Per2 */ +#define U8500_CLKRST2_BASE (U8500_PER2_BASE + 0xf000) + +/* Per1 */ +#define U8500_UART0_BASE (U8500_PER1_BASE + 0x0000) +#define U8500_UART1_BASE (U8500_PER1_BASE + 0x1000) +#define U8500_CLKRST1_BASE (U8500_PER1_BASE + 0xf000) + +/* Last page of Boot ROM */ +#define U8500_BOOTROM_BASE 0x9001f000 +#define U8500_BOOTROM_ASIC_ID_OFFSET 0x0ff4 + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/include/asm/arch-u8500/sys_proto.h b/arch/arm/include/asm/arch-u8500/sys_proto.h new file mode 100644 index 0000000..bac5e79 --- /dev/null +++ b/arch/arm/include/asm/arch-u8500/sys_proto.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +void gpio_init(void); + +#endif /* _SYS_PROTO_H_ */ diff --git a/arch/arm/include/asm/arch-u8500/u8500.h b/arch/arm/include/asm/arch-u8500/u8500.h new file mode 100644 index 0000000..0d6dbb7 --- /dev/null +++ b/arch/arm/include/asm/arch-u8500/u8500.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) ST-Ericsson SA 2009 + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 __U8500_H +#define __U8500_H + +/* + * base register values for U8500 + */ +#define CFG_PRCMU_BASE 0x80157000 /* Power, reset and clock + Management Unit */ +#define CFG_SDRAMC_BASE 0x903CF000 /* SDRAMC cnf registers */ +#define CFG_FSMC_BASE 0x80000000 /* FSMC Controller */ + +/* + * U8500 GPIO register base for 9 banks + */ +#define U8500_GPIO_0_BASE 0x8012E000 +#define U8500_GPIO_1_BASE 0x8012E080 +#define U8500_GPIO_2_BASE 0x8000E000 +#define U8500_GPIO_3_BASE 0x8000E080 +#define U8500_GPIO_4_BASE 0x8000E100 +#define U8500_GPIO_5_BASE 0x8000E180 +#define U8500_GPIO_6_BASE 0x8011E000 +#define U8500_GPIO_7_BASE 0x8011E080 +#define U8500_GPIO_8_BASE 0xA03FE000 + +#endif /* __U8500_H */