diff options
| -rw-r--r-- | src/cpu/samsung/exynos5-common/adc.h | 42 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/clk.h | 71 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/cpu.h | 99 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/exynos5-common.h | 224 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/gpio.h | 73 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/mmc.h | 77 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/mshc.h | 170 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/pwm.h | 68 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/spi.h | 89 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/spl.h | 94 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/sromc.h | 69 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/sys_proto.h | 32 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/uart.h | 55 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5-common/watchdog.h | 57 |
14 files changed, 1220 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5-common/adc.h b/src/cpu/samsung/exynos5-common/adc.h new file mode 100644 index 0000000000..dc905d14d9 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/adc.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2010 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * MyungJoo Ham <myungjoo.ham@samsung.com> + * + * 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_ARM_ARCH_COMMON_ADC_H_ +#define __ASM_ARM_ARCH_COMMON_ADC_H_ + +#ifndef __ASSEMBLY__ +struct s5p_adc { + unsigned int adccon; + unsigned int adctsc; + unsigned int adcdly; + unsigned int adcdat0; + unsigned int adcdat1; + unsigned int adcupdn; + unsigned int adcclrint; + unsigned int adcmux; + unsigned int adcclrintpndnup; +}; +#endif + +#endif /* __ASM_ARM_ARCH_COMMON_ADC_H_ */ diff --git a/src/cpu/samsung/exynos5-common/clk.h b/src/cpu/samsung/exynos5-common/clk.h new file mode 100644 index 0000000000..0178f88ff2 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/clk.h @@ -0,0 +1,71 @@ +/* + * (C) Copyright 2012 The Chromium Authors + * (C) Copyright 2010 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.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 + * + */ + +#ifndef __EXYNOS_COMMON_CLK_H_ +#define __EXYNOS_COMMON_CLK_H_ + +#include <types.h> +#include <stdint.h> + +enum periph_id; + +#define APLL 0 +#define MPLL 1 +#define EPLL 2 +#define HPLL 3 +#define VPLL 4 +#define BPLL 5 + +enum pll_src_bit { + SRC_MPLL = 6, + SRC_EPLL, + SRC_VPLL, +}; + +/* * + * This structure is to store the src bit, div bit and prediv bit + * positions of the peripheral clocks of the src and div registers + */ +struct clk_bit_info { + s8 src_bit; /* offset in register to clock source field */ + s8 n_src_bits; /* number of bits in 'src_bit' field */ + s8 div_bit; + s8 prediv_bit; +}; + +/* FIXME(dhendrix) conflicts with stp-common/clk.h */ +#if 0 +unsigned long get_pll_clk(int pllreg); +unsigned long get_arm_clk(void); +void set_mmc_clk(int dev_index, unsigned int div); +#endif + +/** + * get the clk frequency of the required peripherial + * + * @param peripherial Peripherial id + * + * @return frequency of the peripherial clk + */ +unsigned long clock_get_periph_rate(enum periph_id peripheral); + +#endif diff --git a/src/cpu/samsung/exynos5-common/cpu.h b/src/cpu/samsung/exynos5-common/cpu.h new file mode 100644 index 0000000000..e68de8688f --- /dev/null +++ b/src/cpu/samsung/exynos5-common/cpu.h @@ -0,0 +1,99 @@ +/* + * (C) Copyright 2010 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.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 + * + */ + +#ifndef _EXYNOS_COMMON_CPU_H +#define _EXYNOS_COMMON_CPU_H + +#include <cpu/samsung/s5p-common/cpu.h> + +#define DEVICE_NOT_AVAILABLE 0 + +#define EXYNOS_PRO_ID 0x10000000 + +/* Address of address of function that copys data from SD or MMC */ +#define EXYNOS_COPY_MMC_FNPTR_ADDR 0x02020030 + +/* Address of address of function that copys data from SPI */ +#define EXYNOS_COPY_SPI_FNPTR_ADDR 0x02020058 + +/* Address of address of function that copys data through USB */ +#define EXYNOS_COPY_USB_FNPTR_ADDR 0x02020070 + +/* Boot mode values */ +#define EXYNOS_USB_SECONDARY_BOOT 0xfeed0002 + +#define EXYNOS_IRAM_SECONDARY_BASE 0x02020018 + +#define EXYNOS_I2C_SPACING 0x10000 + +enum boot_mode { + /* + * Assign the OM pin values for respective boot modes. + * Exynos4 does not support spi boot and the mmc boot OM + * pin values are the same across Exynos4 and Exynos5. + */ + BOOT_MODE_MMC = 4, + BOOT_MODE_SERIAL = 20, + /* Boot based on Operating Mode pin settings */ + BOOT_MODE_OM = 32, + BOOT_MODE_USB, /* Boot using USB download */ +}; + +#if 0 +/** + * Get the U-boot size for SPL copy functions + * + * @return size of U-Boot code/data that needs to be loaded by the SPL stage + */ +unsigned int exynos_get_uboot_size(void); +#endif + +/** + * Get the boot device containing BL1, BL2 (SPL) and U-boot + * + * @return boot device + */ +enum boot_mode exynos_get_boot_device(void); + +/** + * Check if a wakeup is permitted. + * + * On some boards we need to look at a special GPIO to ensure that the wakeup + * from sleep was valid. If the wakeup is not valid we need to go through a + * full reset. + * + * The default implementation of this function allows all wakeups. + * + * @return 1 if wakeup is permitted; 0 otherwise + */ +int board_wakeup_permitted(void); + +#define cpu_is_exynos4() (s5p_get_cpu_id() == 0xc210) +#define cpu_is_exynos5() (s5p_get_cpu_id() == 0xc520) + +/** + * Init subsystems according to the reset status + * + * @return 0 for a normal boot, non-zero for a resume + */ +int lowlevel_init_subsystems(void); + +#endif /* _EXYNOS_COMMON_CPU_H */ diff --git a/src/cpu/samsung/exynos5-common/exynos5-common.h b/src/cpu/samsung/exynos5-common/exynos5-common.h new file mode 100644 index 0000000000..5bbc52b736 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/exynos5-common.h @@ -0,0 +1,224 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * + * Common configuration settings for EXYNOS5 based boards. + * + * 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 + */ + +/* TODO(dhendrix): some #defines are commented out here and moved to Kconfig */ + +#ifndef __EXYNOS5_CONFIG_H +#define __EXYNOS5_CONFIG_H + +/* High Level Configuration Options */ +#define CONFIG_SAMSUNG /* in a SAMSUNG core */ +#define CONFIG_S5P /* S5P Family */ +#define CONFIG_EXYNOS5 /* which is in a Exynos5 Family */ +#define BUILD_PART_FS_STUFF 1 /* Disk Partition Support */ + +#define CONFIG_ARCH_CPU_INIT /* Used to check cpu type */ + +#include <cpu/samsung/exynos5250/cpu.h> /* get chip and board defs */ + +/* Align LCD to 1MB boundary */ +#define CONFIG_LCD_ALIGNMENT MMU_SECTION_SIZE + +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO_LATE +#define CONFIG_SYS_CONSOLE_INFO_QUIET +#define CONFIG_BOARD_LATE_INIT + +#define CONFIG_CMD_SHA256 +//#define CONFIG_EXYNOS_ACE_SHA + +//#define CONFIG_SYS_SDRAM_BASE 0x40000000 +//#define CONFIG_SYS_TEXT_BASE 0x43e00000 + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_INITRD_TAG +#define CONFIG_CMDLINE_EDITING + +/* Power Down Modes */ +#define S5P_CHECK_SLEEP 0x00000BAD +#define S5P_CHECK_DIDLE 0xBAD00000 +#define S5P_CHECK_LPA 0xABAD0000 + +/* Offset for inform registers */ +#define INFORM0_OFFSET 0x800 +#define INFORM1_OFFSET 0x804 + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (4 << 20)) + +/* select serial console configuration */ +#define CONFIG_SERIAL_MULTI +//#define CONFIG_BAUDRATE 115200 +#define EXYNOS5_DEFAULT_UART_OFFSET 0x010000 + +#define CONFIG_BOARD_EARLY_INIT_F + +/* PWM */ +#define CONFIG_PWM + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +/* SPL */ +#define CONFIG_SPL +#define CONFIG_SPL_GPIO_SUPPORT +#define CONFIG_SPL_POWER_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_LIBCOMMON_SUPPORT + +/* Number of GPIOS to use for board revision detection */ +#define CONFIG_BOARD_REV_GPIO_COUNT 2 + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +/* memtest works on */ +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x5E00000) +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x3E00000) + +#define CONFIG_SYS_HZ 1000 + +/* valid baudrates */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* Stack sizes */ +#define CONFIG_STACKSIZE (256 << 10) /* 256KB */ + +#define CONFIG_SYS_MONITOR_BASE 0x00000000 + +#ifdef CONFIG_SPI_FLASH +/* Enable SPI H/W Controller Driver support */ +#define CONFIG_EXYNOS_SPI + +/* FIXME(dhendrix): We should be concerned with SPI flash parts here... */ +#if 0 +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI +#define CONFIG_SPI_FLASH_WINBOND +/* Enable Gigadevice SPI flash support for Snow board */ +#define CONFIG_SPI_FLASH_GIGADEVICE +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +/* Set speed for SPI flash */ +#define CONFIG_SF_DEFAULT_SPEED 50000000 +#endif +#endif + +/* FLASH and environment organization */ +#define CONFIG_SYS_NO_FLASH +#undef CONFIG_CMD_IMLS + +#define CONFIG_SECURE_BL1_ONLY + +/* Secure FW size configuration */ +#ifdef CONFIG_SECURE_BL1_ONLY +#define CONFIG_SEC_FW_SIZE (8 << 10) /* 8KB */ +#else +#define CONFIG_SEC_FW_SIZE 0 +#endif + +/* Configuration of BL1, BL2, ENV Blocks on mmc */ +#define CONFIG_RES_BLOCK_SIZE (512) +#define CONFIG_BL1_SIZE (16 << 10) /*16 K reserved for BL1*/ +#define CONFIG_BL2_SIZE (512UL << 10UL) /* 512 KB */ +#define CONFIG_ENV_SIZE (16 << 10) /* 16 KB */ + +#define CONFIG_BL1_OFFSET (CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE) +#define CONFIG_BL2_OFFSET (CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE) + +#define SPI_FLASH_UBOOT_POS (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE) + +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_SPI_MODE SPI_MODE_0 +#define CONFIG_ENV_OFFSET (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE + \ + CONFIG_BL2_SIZE) +#define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE +#define CONFIG_ENV_SPI_BUS 1 +#else /* CONFIG_ENV_IS_IN_MMC */ +#define CONFIG_ENV_OFFSET (CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE) +#endif + +/* U-boot copy size from boot Media to DRAM.*/ +#define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512) + +/* Set the emmc bus width to 8 */ +#define CONFIG_MSHCI_BUS_WIDTH 8 +#define CONFIG_MSHCI_PERIPH_ID PERIPH_ID_SDMMC0 + +#if BUILD_PART_FS_STUFF +#define CONFIG_DOS_PARTITION +#define CONFIG_EFI_PARTITION +#endif + +#if 0 +/* + * FIXME(dhendrix): 0x02050000 was in the u-boot sources, but the docs say the + * iRAM range is 0x0202_0000 - 0x0207_7fff (352KB). + */ +#define CONFIG_IRAM_TOP 0x02050000 + +/* + * Put the initial stack pointer 1KB below this to allow room for the + * SPL marker. This value is arbitrary, but gd_t is placed starting here. + */ +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_IRAM_TOP - 0x800) +#endif + +/* The place where we put our SPL marker */ +#define CONFIG_SPL_MARKER (CONFIG_IRAM_TOP - 4) + +/* Place to stash bootstage data from first-stage U-Boot */ +#define CONFIG_BOOTSTAGE_STASH (CONFIG_IRAM_TOP - 0x400) +#define CONFIG_BOOTSTAGE_STASH_SIZE 0x3fc + +/* The top of the SPL stack, also used for early U-Boot init */ +//#define CONFIG_IRAM_STACK CONFIG_SYS_INIT_SP_ADDR + +//#define CONFIG_SPL_LDSCRIPT +//#define CONFIG_SPL_TEXT_BASE 0x02023400 +//#define CONFIG_SPL_MAX_SIZE (14 * 1024) + +/* Enable devicetree support */ +#define CONFIG_OF_LIBFDT + +#define CONFIG_SYS_THUMB_BUILD + +/* We spend about 100us getting from reset to SPL */ +#define CONFIG_SPL_TIME_US 100000 + +/* Stringify a token */ +#ifndef STRINGIFY +#define _STRINGIFY(x) #x +#define STRINGIFY(x) _STRINGIFY(x) +#endif + +#endif /* __EXYNOS5_CONFIG_H */ diff --git a/src/cpu/samsung/exynos5-common/gpio.h b/src/cpu/samsung/exynos5-common/gpio.h new file mode 100644 index 0000000000..37dd678b09 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/gpio.h @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2010 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.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 + */ + +#ifndef __ASM_ARCH_COMMON_GPIO_H +#define __ASM_ARCH_COMMON_GPIO_H + +#ifndef __ASSEMBLY__ /* FIXME: not needed (i hope)? */ +#include <cpu/samsung/s5p-common/gpio.h> +/* FIXME: s5p's gpio.h and exynos' gpio.h have a lot of conflicting + definitions */ +#if 0 +struct s5p_gpio_bank { + unsigned int con; + unsigned int dat; + unsigned int pull; + unsigned int drv; + unsigned int pdn_con; + unsigned int pdn_pull; + unsigned char res1[8]; +}; + +/* functions */ +void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg); +void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en); +void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio); +void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en); +unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio); +void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode); +void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode); +void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); +#endif + +/* GPIO pins per bank */ +#define GPIO_PER_BANK 8 + +#endif + +/* Pin configurations */ +#define EXYNOS_GPIO_INPUT 0x0 +#define EXYNOS_GPIO_OUTPUT 0x1 +#define EXYNOS_GPIO_IRQ 0xf +#define EXYNOS_GPIO_FUNC(x) (x) + +/* Pull mode */ +#define EXYNOS_GPIO_PULL_NONE 0x0 +#define EXYNOS_GPIO_PULL_DOWN 0x1 +#define EXYNOS_GPIO_PULL_UP 0x3 + +/* Drive Strength level */ +#define EXYNOS_GPIO_DRV_1X 0x0 +#define EXYNOS_GPIO_DRV_3X 0x1 +#define EXYNOS_GPIO_DRV_2X 0x2 +#define EXYNOS_GPIO_DRV_4X 0x3 +#define EXYNOS_GPIO_DRV_FAST 0x0 +#define EXYNOS_GPIO_DRV_SLOW 0x1 +#endif diff --git a/src/cpu/samsung/exynos5-common/mmc.h b/src/cpu/samsung/exynos5-common/mmc.h new file mode 100644 index 0000000000..4e435893aa --- /dev/null +++ b/src/cpu/samsung/exynos5-common/mmc.h @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2009 SAMSUNG Electronics + * Minkyu Kang <mk7.kang@samsung.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 + * + */ + +#ifndef __ASM_ARCH_COMMON_MMC_H_ +#define __ASM_ARCH_COMMON_MMC_H_ + +#ifndef __ASSEMBLY__ +struct s5p_mmc { + unsigned int sysad; + unsigned short blksize; + unsigned short blkcnt; + unsigned int argument; + unsigned short trnmod; + unsigned short cmdreg; + unsigned int rspreg0; + unsigned int rspreg1; + unsigned int rspreg2; + unsigned int rspreg3; + unsigned int bdata; + unsigned int prnsts; + unsigned char hostctl; + unsigned char pwrcon; + unsigned char blkgap; + unsigned char wakcon; + unsigned short clkcon; + unsigned char timeoutcon; + unsigned char swrst; + unsigned int norintsts; /* errintsts */ + unsigned int norintstsen; /* errintstsen */ + unsigned int norintsigen; /* errintsigen */ + unsigned short acmd12errsts; + unsigned char res1[2]; + unsigned int capareg; + unsigned char res2[4]; + unsigned int maxcurr; + unsigned char res3[0x34]; + unsigned int control2; + unsigned int control3; + unsigned char res4[4]; + unsigned int control4; + unsigned char res5[0x6e]; + unsigned short hcver; + unsigned char res6[0xFF00]; +}; + +struct mmc_host { + struct s5p_mmc *reg; + unsigned int version; /* SDHCI spec. version */ + unsigned int clock; /* Current clock (MHz) */ + int dev_index; +}; + +#ifdef CONFIG_OF_CONTROL +int s5p_mmc_init(const void *blob); +#else +int s5p_mmc_init(int dev_index, int bus_width); +#endif + +#endif /* __ASSEMBLY__ */ +#endif diff --git a/src/cpu/samsung/exynos5-common/mshc.h b/src/cpu/samsung/exynos5-common/mshc.h new file mode 100644 index 0000000000..bdb0a9c10d --- /dev/null +++ b/src/cpu/samsung/exynos5-common/mshc.h @@ -0,0 +1,170 @@ +/* + * (C) Copyright 2012 SAMSUNG Electronics + * Abhilash Kesavan <a.kesavan@samsung.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 + * + */ +#ifndef __ASM_ARCH_COMMON_MSHC_H +#define __ASM_ARCH_COMMON_MSHC_H + +#include <asm/arch/pinmux.h> +#ifndef __ASSEMBLY__ +struct mshci_host { + struct s5p_mshci *reg; /* Mapped address */ + unsigned int clock; /* Current clock in MHz */ + enum periph_id peripheral; +}; + +struct s5p_mshci { + unsigned int ctrl; + unsigned int pwren; + unsigned int clkdiv; + unsigned int clksrc; + unsigned int clkena; + unsigned int tmout; + unsigned int ctype; + unsigned int blksiz; + unsigned int bytcnt; + unsigned int intmask; + unsigned int cmdarg; + unsigned int cmd; + unsigned int resp0; + unsigned int resp1; + unsigned int resp2; + unsigned int resp3; + unsigned int mintsts; + unsigned int rintsts; + unsigned int status; + unsigned int fifoth; + unsigned int cdetect; + unsigned int wrtprt; + unsigned int gpio; + unsigned int tcbcnt; + unsigned int tbbcnt; + unsigned int debnce; + unsigned int usrid; + unsigned int verid; + unsigned int hcon; + unsigned int uhs_reg; + unsigned int rst_n; + unsigned char reserved1[4]; + unsigned int bmod; + unsigned int pldmnd; + unsigned int dbaddr; + unsigned int idsts; + unsigned int idinten; + unsigned int dscaddr; + unsigned int bufaddr; + unsigned int clksel; + unsigned char reserved2[460]; + unsigned int cardthrctl; +}; + +/* + * Struct idma + * Holds the descriptor list + */ +struct mshci_idmac { + u32 des0; + u32 des1; + u32 des2; + u32 des3; +}; + +/* Control Register Register */ +#define CTRL_RESET (0x1 << 0) +#define FIFO_RESET (0x1 << 1) +#define DMA_RESET (0x1 << 2) +#define DMA_ENABLE (0x1 << 5) +#define SEND_AS_CCSD (0x1 << 10) +#define ENABLE_IDMAC (0x1 << 25) + +/* Power Enable Register */ +#define POWER_ENABLE (0x1 << 0) + +/* Clock Enable Register */ +#define CLK_ENABLE (0x1 << 0) +#define CLK_DISABLE (0x0 << 0) + +/* Timeout Register */ +#define TMOUT_MAX 0xffffffff + +/* Card Type Register */ +#define PORT0_CARD_WIDTH1 0 +#define PORT0_CARD_WIDTH4 (0x1 << 0) +#define PORT0_CARD_WIDTH8 (0x1 << 16) + +/* Interrupt Mask Register */ +#define INTMSK_ALL 0xffffffff +#define INTMSK_RE (0x1 << 1) +#define INTMSK_CDONE (0x1 << 2) +#define INTMSK_DTO (0x1 << 3) +#define INTMSK_DCRC (0x1 << 7) +#define INTMSK_RTO (0x1 << 8) +#define INTMSK_DRTO (0x1 << 9) +#define INTMSK_HTO (0x1 << 10) +#define INTMSK_FRUN (0x1 << 11) +#define INTMSK_HLE (0x1 << 12) +#define INTMSK_SBE (0x1 << 13) +#define INTMSK_ACD (0x1 << 14) +#define INTMSK_EBE (0x1 << 15) + +/* Command Register */ +#define CMD_RESP_EXP_BIT (0x1 << 6) +#define CMD_RESP_LENGTH_BIT (0x1 << 7) +#define CMD_CHECK_CRC_BIT (0x1 << 8) +#define CMD_DATA_EXP_BIT (0x1 << 9) +#define CMD_RW_BIT (0x1 << 10) +#define CMD_SENT_AUTO_STOP_BIT (0x1 << 12) +#define CMD_WAIT_PRV_DAT_BIT (0x1 << 13) +#define CMD_SEND_CLK_ONLY (0x1 << 21) +#define CMD_USE_HOLD_REG (0x1 << 29) +#define CMD_STRT_BIT (0x1 << 31) +#define CMD_ONLY_CLK (CMD_STRT_BIT | CMD_SEND_CLK_ONLY | \ + CMD_WAIT_PRV_DAT_BIT) + +/* Raw Interrupt Register */ +#define DATA_ERR (INTMSK_EBE | INTMSK_SBE | INTMSK_HLE | \ + INTMSK_FRUN | INTMSK_EBE | INTMSK_DCRC) +#define DATA_TOUT (INTMSK_HTO | INTMSK_DRTO) + +/* Status Register */ +#define DATA_BUSY (0x1 << 9) + +/* FIFO Threshold Watermark Register */ +#define TX_WMARK (0xFFF << 0) +#define RX_WMARK (0xFFF << 16) +#define MSIZE_MASK (0x7 << 28) + +/* DW DMA Mutiple Transaction Size */ +#define MSIZE_8 (2 << 28) + +/* Bus Mode Register */ +#define BMOD_IDMAC_RESET (0x1 << 0) +#define BMOD_IDMAC_FB (0x1 << 1) +#define BMOD_IDMAC_ENABLE (0x1 << 7) + +/* IDMAC bits */ +#define MSHCI_IDMAC_OWN (0x1 << 31) +#define MSHCI_IDMAC_CH (0x1 << 4) +#define MSHCI_IDMAC_FS (0x1 << 3) +#define MSHCI_IDMAC_LD (0x1 << 2) + +int s5p_mshci_init(const void *blob); + +#endif +#endif + diff --git a/src/cpu/samsung/exynos5-common/pwm.h b/src/cpu/samsung/exynos5-common/pwm.h new file mode 100644 index 0000000000..e35d88d2d6 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/pwm.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2009 Samsung Electronics + * Kyungmin Park <kyungmin.park@samsung.com> + * Minkyu Kang <mk7.kang@samsung.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 + */ + +#ifndef __ASM_ARM_ARCH_COMMON_PWM_H_ +#define __ASM_ARM_ARCH_COMMON_PWM_H_ + +#define PRESCALER_0 (8 - 1) /* prescaler of timer 0, 1 */ +#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */ + +/* Divider MUX */ +#define MUX_DIV_1 0 /* 1/1 period */ +#define MUX_DIV_2 1 /* 1/2 period */ +#define MUX_DIV_4 2 /* 1/4 period */ +#define MUX_DIV_8 3 /* 1/8 period */ +#define MUX_DIV_16 4 /* 1/16 period */ + +#define MUX_DIV_SHIFT(x) (x * 4) + +#define TCON_OFFSET(x) ((x + 1) * (!!x) << 2) + +#define TCON_START(x) (1 << TCON_OFFSET(x)) +#define TCON_UPDATE(x) (1 << (TCON_OFFSET(x) + 1)) +#define TCON_INVERTER(x) (1 << (TCON_OFFSET(x) + 2)) +#define TCON_AUTO_RELOAD(x) (1 << (TCON_OFFSET(x) + 3)) +#define TCON4_AUTO_RELOAD (1 << 22) + +#ifndef __ASSEMBLY__ +struct s5p_timer { + unsigned int tcfg0; + unsigned int tcfg1; + unsigned int tcon; + unsigned int tcntb0; + unsigned int tcmpb0; + unsigned int tcnto0; + unsigned int tcntb1; + unsigned int tcmpb1; + unsigned int tcnto1; + unsigned int tcntb2; + unsigned int tcmpb2; + unsigned int tcnto2; + unsigned int tcntb3; + unsigned int tcmpb3; + unsigned int tcnto3; + unsigned int tcntb4; + unsigned int tcnto4; + unsigned int tintcstat; +}; +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/src/cpu/samsung/exynos5-common/spi.h b/src/cpu/samsung/exynos5-common/spi.h new file mode 100644 index 0000000000..3430ac1ab2 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/spi.h @@ -0,0 +1,89 @@ +/* + * (C) Copyright 2012 SAMSUNG Electronics + * Padmavathi Venna <padma.v@samsung.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 + */ + +#ifndef __ASM_ARCH_EXYNOS_COMMON_SPI_H_ +#define __ASM_ARCH_EXYNOS_COMMON_SPI_H_ + +#ifndef __ASSEMBLY__ + +/* SPI peripheral register map; padded to 64KB */ +struct exynos_spi { + unsigned int ch_cfg; /* 0x00 */ + unsigned char reserved0[4]; + unsigned int mode_cfg; /* 0x08 */ + unsigned int cs_reg; /* 0x0c */ + unsigned char reserved1[4]; + unsigned int spi_sts; /* 0x14 */ + unsigned int tx_data; /* 0x18 */ + unsigned int rx_data; /* 0x1c */ + unsigned int pkt_cnt; /* 0x20 */ + unsigned char reserved2[4]; + unsigned int swap_cfg; /* 0x28 */ + unsigned int fb_clk; /* 0x2c */ + unsigned char padding[0xffd0]; +}; + +#define EXYNOS_SPI_MAX_FREQ 50000000 + +#define SPI_TIMEOUT_MS 10 + +#define SF_READ_DATA_CMD 0x3 + +/* SPI_CHCFG */ +#define SPI_CH_HS_EN (1 << 6) +#define SPI_CH_RST (1 << 5) +#define SPI_SLAVE_MODE (1 << 4) +#define SPI_CH_CPOL_L (1 << 3) +#define SPI_CH_CPHA_B (1 << 2) +#define SPI_RX_CH_ON (1 << 1) +#define SPI_TX_CH_ON (1 << 0) + +/* SPI_MODECFG */ +#define SPI_MODE_CH_WIDTH_WORD (0x2 << 29) +#define SPI_MODE_BUS_WIDTH_WORD (0x2 << 17) + +/* SPI_CSREG */ +#define SPI_SLAVE_SIG_INACT (1 << 0) + +/* SPI_STS */ +#define SPI_ST_TX_DONE (1 << 25) +#define SPI_FIFO_LVL_MASK 0x1ff +#define SPI_TX_LVL_OFFSET 6 +#define SPI_RX_LVL_OFFSET 15 + +/* Feedback Delay */ +#define SPI_CLK_BYPASS (0 << 0) +#define SPI_FB_DELAY_90 (1 << 0) +#define SPI_FB_DELAY_180 (2 << 0) +#define SPI_FB_DELAY_270 (3 << 0) + +/* Packet Count */ +#define SPI_PACKET_CNT_EN (1 << 16) + +/* Swap config */ +#define SPI_TX_SWAP_EN (1 << 0) +#define SPI_TX_BYTE_SWAP (1 << 2) +#define SPI_TX_HWORD_SWAP (1 << 3) +#define SPI_TX_BYTE_SWAP (1 << 2) +#define SPI_RX_SWAP_EN (1 << 4) +#define SPI_RX_BYTE_SWAP (1 << 6) +#define SPI_RX_HWORD_SWAP (1 << 7) + +#endif /* __ASSEMBLY__ */ +#endif diff --git a/src/cpu/samsung/exynos5-common/spl.h b/src/cpu/samsung/exynos5-common/spl.h new file mode 100644 index 0000000000..1df4aed424 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/spl.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * + * 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_EXYNOS_SPL_H__ +#define __ASM_ARCH_EXYNOS_SPL_H__ + +#include <cpu/samsung/exynos-common/cpu.h> +/* FIXME(dhendrix): non-common header included by a common header... */ +#include <cpu/samsung/exynos5250/dmc.h> + +/* Parameters of early board initialization in SPL */ +struct spl_machine_param { + /* Add fields as and when required */ + u32 signature; + u32 version; /* Version number */ + u32 size; /* Size of block */ + /** + * Parameters we expect, in order, terminated with \0. Each parameter + * is a single character representing one 32-bit word in this + * structure. + * + * Valid characters in this string are: + * + * Code Name + * v mem_iv_size + * m mem_type + * u uboot_size + * b boot_source + * f frequency_mhz (memory frequency in MHz) + * a ARM clock frequency in MHz + * s serial base address + * i i2c base address for early access (meant for PMIC) + * r board rev GPIO numbers used to read board revision + * (lower halfword=bit 0, upper=bit 1) + * M Memory Manufacturer name + * w Bad Wake GPIO number + * \0 termination + */ + char params[12]; /* Length must be word-aligned */ + u32 mem_iv_size; /* Memory channel interleaving size */ + enum ddr_mode mem_type; /* Type of on-board memory */ + /* + * U-boot size - The iROM mmc copy function used by the SPL takes a + * block count paramter to describe the u-boot size unlike the spi + * boot copy function which just uses the u-boot size directly. Align + * the u-boot size to block size (512 bytes) when populating the SPL + * table only for mmc boot. + */ + u32 uboot_size; + enum boot_mode boot_source; /* Boot device */ + unsigned frequency_mhz; /* Frequency of memory in MHz */ + unsigned arm_freq_mhz; /* ARM Frequency in MHz */ + u32 serial_base; /* Serial base address */ + u32 i2c_base; /* i2c base address */ + u32 board_rev_gpios; /* Board revision GPIOs */ + enum mem_manuf mem_manuf; /* Memory Manufacturer */ + u32 bad_wake_gpio; /* If high at wake time disallow wake */ +} __attribute__((__packed__)); + +/** + * Validate signature and return a pointer to the parameter table. If the + * signature is invalid, call panic() and never return. + * + * @return pointer to the parameter table if signature matched or never return. + */ +struct spl_machine_param *spl_get_machine_params(void); + +/* + * Initialize the timer and serial driver in SPL u-boot. + * Besides the serial driver, it also setup the minimal set of its dependency, + * like gd struct, pinmux, and serial. + */ +void spl_early_init(void); + +#endif /* __ASM_ARCH_EXYNOS_SPL_H__ */ diff --git a/src/cpu/samsung/exynos5-common/sromc.h b/src/cpu/samsung/exynos5-common/sromc.h new file mode 100644 index 0000000000..b413373cf4 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/sromc.h @@ -0,0 +1,69 @@ +/* + * (C) Copyright 2010 Samsung Electronics + * Naveen Krishna Ch <ch.naveen@samsung.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 + * + * Note: This file contains the register description for SROMC + * + */ + +#ifndef __ASM_ARCH_COMMON_SROMC_H_ +#define __ASM_ARCH_COMMON_SROMC_H_ + +#define SROMC_DATA16_WIDTH(x) (1<<((x*4)+0)) +#define SROMC_BYTE_ADDR_MODE(x) (1<<((x*4)+1)) /* 0-> Half-word base address*/ + /* 1-> Byte base address*/ +#define SROMC_WAIT_ENABLE(x) (1<<((x*4)+2)) +#define SROMC_BYTE_ENABLE(x) (1<<((x*4)+3)) + +#define SROMC_BC_TACS(x) (x << 28) /* address set-up */ +#define SROMC_BC_TCOS(x) (x << 24) /* chip selection set-up */ +#define SROMC_BC_TACC(x) (x << 16) /* access cycle */ +#define SROMC_BC_TCOH(x) (x << 12) /* chip selection hold */ +#define SROMC_BC_TAH(x) (x << 8) /* address holding time */ +#define SROMC_BC_TACP(x) (x << 4) /* page mode access cycle */ +#define SROMC_BC_PMC(x) (x << 0) /* normal(1data)page mode configuration */ + +#ifndef __ASSEMBLY__ +struct s5p_sromc { + unsigned int bw; + unsigned int bc[4]; +}; +#endif /* __ASSEMBLY__ */ + +/* Configure the Band Width and Bank Control Regs for required SROMC Bank */ +void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf); + +enum { + FDT_SROM_PMC, + FDT_SROM_TACP, + FDT_SROM_TAH, + FDT_SROM_TCOH, + FDT_SROM_TACC, + FDT_SROM_TCOS, + FDT_SROM_TACS, + + FDT_SROM_TIMING_COUNT, +}; + +struct fdt_sromc { + u8 bank; /* srom bank number */ + u8 width; /* bus width in bytes */ + unsigned int timing[FDT_SROM_TIMING_COUNT]; /* timing parameters */ +}; + +#endif /* __ASM_ARCH_COMMON_SROMC_H_ */ diff --git a/src/cpu/samsung/exynos5-common/sys_proto.h b/src/cpu/samsung/exynos5-common/sys_proto.h new file mode 100644 index 0000000000..11f1636eac --- /dev/null +++ b/src/cpu/samsung/exynos5-common/sys_proto.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2010 Samsung Electrnoics + * Minkyu Kang <mk7.kang@samsung.com> + * + * 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_ + +u32 get_device_type(void); +void invalidate_dcache(u32); +void l2_cache_disable(void); +void l2_cache_enable(void); + +#endif diff --git a/src/cpu/samsung/exynos5-common/uart.h b/src/cpu/samsung/exynos5-common/uart.h new file mode 100644 index 0000000000..350e224b86 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/uart.h @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2009 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * Heungjun Kim <riverful.kim@samsung.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 + * + */ + +#ifndef __EXYNOS_COMMON_UART_H_ +#define __EXYNOS_COMMON_UART_H_ + +/* baudrate rest value */ +union br_rest { + unsigned short slot; /* udivslot */ + unsigned char value; /* ufracval */ +}; + +struct s5p_uart { + unsigned int ulcon; + unsigned int ucon; + unsigned int ufcon; + unsigned int umcon; + unsigned int utrstat; + unsigned int uerstat; + unsigned int ufstat; + unsigned int umstat; + unsigned char utxh; + unsigned char res1[3]; + unsigned char urxh; + unsigned char res2[3]; + unsigned int ubrdiv; + union br_rest rest; + unsigned char res3[0xffd0]; +}; + +static inline int s5p_uart_divslot(void) +{ + return 0; +} + +#endif diff --git a/src/cpu/samsung/exynos5-common/watchdog.h b/src/cpu/samsung/exynos5-common/watchdog.h new file mode 100644 index 0000000000..af986388a3 --- /dev/null +++ b/src/cpu/samsung/exynos5-common/watchdog.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Heungjun Kim <riverful.kim@samsung.com> + * + * 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_ARM_ARCH_COMMON_WATCHDOG_H_ +#define __ASM_ARM_ARCH_COMMON_WATCHDOG_H_ + +#define WTCON_RESET_OFFSET 0 +#define WTCON_INTEN_OFFSET 2 +#define WTCON_CLKSEL_OFFSET 3 +#define WTCON_EN_OFFSET 5 +#define WTCON_PRE_OFFSET 8 + +#define WTCON_CLK_16 0x0 +#define WTCON_CLK_32 0x1 +#define WTCON_CLK_64 0x2 +#define WTCON_CLK_128 0x3 + +#define WTCON_CLK(x) ((x & 0x3) << WTCON_CLKSEL_OFFSET) +#define WTCON_PRESCALER(x) ((x) << WTCON_PRE_OFFSET) +#define WTCON_EN (0x1 << WTCON_EN_OFFSET) +#define WTCON_RESET (0x1 << WTCON_RESET_OFFSET) +#define WTCON_INT (0x1 << WTCON_INTEN_OFFSET) + +#ifndef __ASSEMBLY__ +struct s5p_watchdog { + unsigned int wtcon; + unsigned int wtdat; + unsigned int wtcnt; + unsigned int wtclrint; +}; + +/* functions */ +void wdt_stop(void); +void wdt_start(unsigned int timeout); +#endif /* __ASSEMBLY__ */ + +#endif |