u-boot/arch/arm/include/asm/arch-omap5/cpu.h
Lokesh Vutla 702395073f ARM: OMAP3+: Detect reset type
Certain modules are not affected by means of
a warm reset and need not be configured again.
Adding an API to detect the reset reason warm/cold.

This will be used to skip the module configurations
that are retained across a warm reset.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
2012-07-07 14:07:34 +02:00

188 lines
4.8 KiB
C

/*
* (C) Copyright 2006-2010
* Texas Instruments, <www.ti.com>
*
* Aneesh V <aneesh@ti.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 _CPU_H
#define _CPU_H
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct gpmc_cs {
u32 config1; /* 0x00 */
u32 config2; /* 0x04 */
u32 config3; /* 0x08 */
u32 config4; /* 0x0C */
u32 config5; /* 0x10 */
u32 config6; /* 0x14 */
u32 config7; /* 0x18 */
u32 nand_cmd; /* 0x1C */
u32 nand_adr; /* 0x20 */
u32 nand_dat; /* 0x24 */
u8 res[8]; /* blow up to 0x30 byte */
};
struct gpmc {
u8 res1[0x10];
u32 sysconfig; /* 0x10 */
u8 res2[0x4];
u32 irqstatus; /* 0x18 */
u32 irqenable; /* 0x1C */
u8 res3[0x20];
u32 timeout_control; /* 0x40 */
u8 res4[0xC];
u32 config; /* 0x50 */
u32 status; /* 0x54 */
u8 res5[0x8]; /* 0x58 */
struct gpmc_cs cs[8]; /* 0x60, 0x90, .. */
u8 res6[0x14]; /* 0x1E0 */
u32 ecc_config; /* 0x1F4 */
u32 ecc_control; /* 0x1F8 */
u32 ecc_size_config; /* 0x1FC */
u32 ecc1_result; /* 0x200 */
u32 ecc2_result; /* 0x204 */
u32 ecc3_result; /* 0x208 */
u32 ecc4_result; /* 0x20C */
u32 ecc5_result; /* 0x210 */
u32 ecc6_result; /* 0x214 */
u32 ecc7_result; /* 0x218 */
u32 ecc8_result; /* 0x21C */
u32 ecc9_result; /* 0x220 */
};
/* Used for board specific gpmc initialization */
extern struct gpmc *gpmc_cfg;
struct gptimer {
u32 tidr; /* 0x00 r */
u8 res1[0xc];
u32 tiocp_cfg; /* 0x10 rw */
u8 res2[0x10];
u32 tisr_raw; /* 0x24 r */
u32 tisr; /* 0x28 rw */
u32 tier; /* 0x2c rw */
u32 ticr; /* 0x30 rw */
u32 twer; /* 0x34 rw */
u32 tclr; /* 0x38 rw */
u32 tcrr; /* 0x3c rw */
u32 tldr; /* 0x40 rw */
u32 ttgr; /* 0x44 rw */
u32 twpc; /* 0x48 r */
u32 tmar; /* 0x4c rw */
u32 tcar1; /* 0x50 r */
u32 tcicr; /* 0x54 rw */
u32 tcar2; /* 0x58 r */
};
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
/* enable sys_clk NO-prescale /1 */
#define GPT_EN ((0x0 << 2) | (0x1 << 1) | (0x1 << 0))
/* Watchdog */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct watchdog {
u8 res1[0x34];
u32 wwps; /* 0x34 r */
u8 res2[0x10];
u32 wspr; /* 0x48 rw */
};
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#define WD_UNLOCK1 0xAAAA
#define WD_UNLOCK2 0x5555
#define SYSCLKDIV_1 (0x1 << 6)
#define SYSCLKDIV_2 (0x1 << 7)
#define CLKSEL_GPT1 (0x1 << 0)
#define EN_GPT1 (0x1 << 0)
#define EN_32KSYNC (0x1 << 2)
#define ST_WDT2 (0x1 << 5)
#define RESETDONE (0x1 << 0)
#define TCLR_ST (0x1 << 0)
#define TCLR_AR (0x1 << 1)
#define TCLR_PRE (0x1 << 5)
/* GPMC BASE */
#define GPMC_BASE (OMAP54XX_GPMC_BASE)
/* I2C base */
#define I2C_BASE1 (OMAP54XX_L4_PER_BASE + 0x70000)
#define I2C_BASE2 (OMAP54XX_L4_PER_BASE + 0x72000)
#define I2C_BASE3 (OMAP54XX_L4_PER_BASE + 0x60000)
/* MUSB base */
#define MUSB_BASE (OMAP54XX_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
/*
* PRCM
*/
/* PRM */
#define PRM_BASE 0x4AE06000
#define PRM_DEVICE_BASE (PRM_BASE + 0x1B00)
#define PRM_RSTCTRL PRM_DEVICE_BASE
#define PRM_RSTCTRL_RESET 0x01
#define PRM_RSTST (PRM_DEVICE_BASE + 0x4)
#define PRM_RSTST_WARM_RESET_MASK 0x7FEA
#endif /* _CPU_H */