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u-boot/arch/arm/include/asm/arch-omap3/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

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/*
* (C) Copyright 2006-2008
* Texas Instruments, <www.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__) */
/* Register offsets of common modules */
/* Control */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct ctrl {
u8 res1[0xC0];
u16 gpmc_nadv_ale; /* 0xC0 */
u16 gpmc_noe; /* 0xC2 */
u16 gpmc_nwe; /* 0xC4 */
u8 res2[0x22A];
u32 status; /* 0x2F0 */
u32 gpstatus; /* 0x2F4 */
u8 res3[0x08];
u32 rpubkey_0; /* 0x300 */
u32 rpubkey_1; /* 0x304 */
u32 rpubkey_2; /* 0x308 */
u32 rpubkey_3; /* 0x30C */
u32 rpubkey_4; /* 0x310 */
u8 res4[0x04];
u32 randkey_0; /* 0x318 */
u32 randkey_1; /* 0x31C */
u32 randkey_2; /* 0x320 */
u32 randkey_3; /* 0x324 */
u8 res5[0x124];
u32 ctrl_omap_stat; /* 0x44C */
};
#else /* __ASSEMBLY__ */
#define CONTROL_STATUS 0x2F0
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct ctrl_id {
u8 res1[0x4];
u32 idcode; /* 0x04 */
u32 prod_id; /* 0x08 */
u32 sku_id; /* 0x0c */
u8 res2[0x08];
u32 die_id_0; /* 0x18 */
u32 die_id_1; /* 0x1C */
u32 die_id_2; /* 0x20 */
u32 die_id_3; /* 0x24 */
};
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
/* device type */
#define DEVICE_MASK (0x7 << 8)
#define SYSBOOT_MASK 0x1F
#define TST_DEVICE 0x0
#define EMU_DEVICE 0x1
#define HS_DEVICE 0x2
#define GP_DEVICE 0x3
/* device speed */
#define SKUID_CLK_MASK 0xf
#define SKUID_CLK_600MHZ 0x0
#define SKUID_CLK_720MHZ 0x8
#define GPMC_BASE (OMAP34XX_GPMC_BASE)
#define GPMC_CONFIG_CS0 0x60
#define GPMC_CONFIG_CS0_BASE (GPMC_BASE + GPMC_CONFIG_CS0)
#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;
#else /* __ASSEMBLY__ */
#define GPMC_CONFIG1 0x00
#define GPMC_CONFIG2 0x04
#define GPMC_CONFIG3 0x08
#define GPMC_CONFIG4 0x0C
#define GPMC_CONFIG5 0x10
#define GPMC_CONFIG6 0x14
#define GPMC_CONFIG7 0x18
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
/* GPMC Mapping */
#define FLASH_BASE 0x10000000 /* NOR flash, */
/* aligned to 256 Meg */
#define FLASH_BASE_SDPV1 0x04000000 /* NOR flash, */
/* aligned to 64 Meg */
#define FLASH_BASE_SDPV2 0x10000000 /* NOR flash, */
/* aligned to 256 Meg */
#define DEBUG_BASE 0x08000000 /* debug board */
#define NAND_BASE 0x30000000 /* NAND addr */
/* (actual size small port) */
#define PISMO2_BASE 0x18000000 /* PISMO2 CS1/2 */
#define ONENAND_MAP 0x20000000 /* OneNand addr */
/* (actual size small port) */
/* SMS */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct sms {
u8 res1[0x10];
u32 sysconfig; /* 0x10 */
u8 res2[0x34];
u32 rg_att0; /* 0x48 */
u8 res3[0x84];
u32 class_arb0; /* 0xD0 */
};
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#define BURSTCOMPLETE_GROUP7 (0x1 << 31)
/* SDRC */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct sdrc_cs {
u32 mcfg; /* 0x80 || 0xB0 */
u32 mr; /* 0x84 || 0xB4 */
u8 res1[0x4];
u32 emr2; /* 0x8C || 0xBC */
u8 res2[0x14];
u32 rfr_ctrl; /* 0x84 || 0xD4 */
u32 manual; /* 0xA8 || 0xD8 */
u8 res3[0x4];
};
struct sdrc_actim {
u32 ctrla; /* 0x9C || 0xC4 */
u32 ctrlb; /* 0xA0 || 0xC8 */
};
struct sdrc {
u8 res1[0x10];
u32 sysconfig; /* 0x10 */
u32 status; /* 0x14 */
u8 res2[0x28];
u32 cs_cfg; /* 0x40 */
u32 sharing; /* 0x44 */
u8 res3[0x18];
u32 dlla_ctrl; /* 0x60 */
u32 dlla_status; /* 0x64 */
u32 dllb_ctrl; /* 0x68 */
u32 dllb_status; /* 0x6C */
u32 power; /* 0x70 */
u8 res4[0xC];
struct sdrc_cs cs[2]; /* 0x80 || 0xB0 */
};
/* EMIF4 */
typedef struct emif4 {
unsigned int emif_mod_id_rev;
unsigned int sdram_sts;
unsigned int sdram_config;
unsigned int res1;
unsigned int sdram_refresh_ctrl;
unsigned int sdram_refresh_ctrl_shdw;
unsigned int sdram_time1;
unsigned int sdram_time1_shdw;
unsigned int sdram_time2;
unsigned int sdram_time2_shdw;
unsigned int sdram_time3;
unsigned int sdram_time3_shdw;
unsigned char res2[8];
unsigned int sdram_pwr_mgmt;
unsigned int sdram_pwr_mgmt_shdw;
unsigned char res3[32];
unsigned int sdram_iodft_tlgc;
unsigned char res4[128];
unsigned int ddr_phyctrl1;
unsigned int ddr_phyctrl1_shdw;
unsigned int ddr_phyctrl2;
} emif4_t;
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#define DLLPHASE_90 (0x1 << 1)
#define LOADDLL (0x1 << 2)
#define ENADLL (0x1 << 3)
#define DLL_DELAY_MASK 0xFF00
#define DLL_NO_FILTER_MASK ((0x1 << 9) | (0x1 << 8))
#define PAGEPOLICY_HIGH (0x1 << 0)
#define SRFRONRESET (0x1 << 7)
#define PWDNEN (0x1 << 2)
#define WAKEUPPROC (0x1 << 26)
#define DDR_SDRAM (0x1 << 0)
#define DEEPPD (0x1 << 3)
#define B32NOT16 (0x1 << 4)
#define BANKALLOCATION (0x2 << 6)
#define RAMSIZE_128 (0x40 << 8) /* RAM size in 2MB chunks */
#define ADDRMUXLEGACY (0x1 << 19)
#define CASWIDTH_10BITS (0x5 << 20)
#define RASWIDTH_13BITS (0x2 << 24)
#define BURSTLENGTH4 (0x2 << 0)
#define CASL3 (0x3 << 4)
#define SDRC_ACTIM_CTRL0_BASE (OMAP34XX_SDRC_BASE + 0x9C)
#define SDRC_ACTIM_CTRL1_BASE (OMAP34XX_SDRC_BASE + 0xC4)
#define ARE_ARCV_1 (0x1 << 0)
#define ARCV (0x4e2 << 8) /* Autorefresh count */
#define OMAP34XX_SDRC_CS0 0x80000000
#define OMAP34XX_SDRC_CS1 0xA0000000
#define CMD_NOP 0x0
#define CMD_PRECHARGE 0x1
#define CMD_AUTOREFRESH 0x2
#define CMD_ENTR_PWRDOWN 0x3
#define CMD_EXIT_PWRDOWN 0x4
#define CMD_ENTR_SRFRSH 0x5
#define CMD_CKE_HIGH 0x6
#define CMD_CKE_LOW 0x7
#define SOFTRESET (0x1 << 1)
#define SMART_IDLE (0x2 << 3)
#define REF_ON_IDLE (0x1 << 6)
/* DMA */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct dma4_chan {
u32 ccr;
u32 clnk_ctrl;
u32 cicr;
u32 csr;
u32 csdp;
u32 cen;
u32 cfn;
u32 cssa;
u32 cdsa;
u32 csel;
u32 csfl;
u32 cdel;
u32 cdfl;
u32 csac;
u32 cdac;
u32 ccen;
u32 ccfn;
u32 color;
};
struct dma4 {
u32 revision;
u8 res1[0x4];
u32 irqstatus_l[0x4];
u32 irqenable_l[0x4];
u32 sysstatus;
u32 ocp_sysconfig;
u8 res2[0x34];
u32 caps_0;
u8 res3[0x4];
u32 caps_2;
u32 caps_3;
u32 caps_4;
u32 gcr;
u8 res4[0x4];
struct dma4_chan chan[32];
};
#endif /*__ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
/* timer regs offsets (32 bit regs) */
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct gptimer {
u32 tidr; /* 0x00 r */
u8 res[0xc];
u32 tiocp_cfg; /* 0x10 rw */
u32 tistat; /* 0x14 r */
u32 tisr; /* 0x18 rw */
u32 tier; /* 0x1c rw */
u32 twer; /* 0x20 rw */
u32 tclr; /* 0x24 rw */
u32 tcrr; /* 0x28 rw */
u32 tldr; /* 0x2c rw */
u32 ttgr; /* 0x30 rw */
u32 twpc; /* 0x34 r*/
u32 tmar; /* 0x38 rw*/
u32 tcar1; /* 0x3c r */
u32 tcicr; /* 0x40 rw */
u32 tcar2; /* 0x44 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
/* PRCM */
#define PRCM_BASE 0x48004000
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct prcm {
u32 fclken_iva2; /* 0x00 */
u32 clken_pll_iva2; /* 0x04 */
u8 res1[0x1c];
u32 idlest_pll_iva2; /* 0x24 */
u8 res2[0x18];
u32 clksel1_pll_iva2 ; /* 0x40 */
u32 clksel2_pll_iva2; /* 0x44 */
u8 res3[0x8bc];
u32 clken_pll_mpu; /* 0x904 */
u8 res4[0x1c];
u32 idlest_pll_mpu; /* 0x924 */
u8 res5[0x18];
u32 clksel1_pll_mpu; /* 0x940 */
u32 clksel2_pll_mpu; /* 0x944 */
u8 res6[0xb8];
u32 fclken1_core; /* 0xa00 */
u32 res_fclken2_core;
u32 fclken3_core; /* 0xa08 */
u8 res7[0x4];
u32 iclken1_core; /* 0xa10 */
u32 iclken2_core; /* 0xa14 */
u32 iclken3_core; /* 0xa18 */
u8 res8[0x24];
u32 clksel_core; /* 0xa40 */
u8 res9[0xbc];
u32 fclken_gfx; /* 0xb00 */
u8 res10[0xc];
u32 iclken_gfx; /* 0xb10 */
u8 res11[0x2c];
u32 clksel_gfx; /* 0xb40 */
u8 res12[0xbc];
u32 fclken_wkup; /* 0xc00 */
u8 res13[0xc];
u32 iclken_wkup; /* 0xc10 */
u8 res14[0xc];
u32 idlest_wkup; /* 0xc20 */
u8 res15[0x1c];
u32 clksel_wkup; /* 0xc40 */
u8 res16[0xbc];
u32 clken_pll; /* 0xd00 */
u32 clken2_pll; /* 0xd04 */
u8 res17[0x18];
u32 idlest_ckgen; /* 0xd20 */
u32 idlest2_ckgen; /* 0xd24 */
u8 res18[0x18];
u32 clksel1_pll; /* 0xd40 */
u32 clksel2_pll; /* 0xd44 */
u32 clksel3_pll; /* 0xd48 */
u32 clksel4_pll; /* 0xd4c */
u32 clksel5_pll; /* 0xd50 */
u8 res19[0xac];
u32 fclken_dss; /* 0xe00 */
u8 res20[0xc];
u32 iclken_dss; /* 0xe10 */
u8 res21[0x2c];
u32 clksel_dss; /* 0xe40 */
u8 res22[0xbc];
u32 fclken_cam; /* 0xf00 */
u8 res23[0xc];
u32 iclken_cam; /* 0xf10 */
u8 res24[0x2c];
u32 clksel_cam; /* 0xf40 */
u8 res25[0xbc];
u32 fclken_per; /* 0x1000 */
u8 res26[0xc];
u32 iclken_per; /* 0x1010 */
u8 res27[0x2c];
u32 clksel_per; /* 0x1040 */
u8 res28[0xfc];
u32 clksel1_emu; /* 0x1140 */
u8 res29[0x2bc];
u32 fclken_usbhost; /* 0x1400 */
u8 res30[0xc];
u32 iclken_usbhost; /* 0x1410 */
};
#else /* __ASSEMBLY__ */
#define CM_CLKSEL_CORE 0x48004a40
#define CM_CLKSEL_GFX 0x48004b40
#define CM_CLKSEL_WKUP 0x48004c40
#define CM_CLKEN_PLL 0x48004d00
#define CM_CLKSEL1_PLL 0x48004d40
#define CM_CLKSEL1_EMU 0x48005140
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#define PRM_BASE 0x48306000
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct prm {
u8 res1[0xd40];
u32 clksel; /* 0xd40 */
u8 res2[0x50c];
u32 rstctrl; /* 0x1250 */
u8 res3[0x1c];
u32 clksrc_ctrl; /* 0x1270 */
};
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#define PRM_RSTCTRL 0x48307250
#define PRM_RSTCTRL_RESET 0x04
#define PRM_RSTST 0x48307258
#define PRM_RSTST_WARM_RESET_MASK 0x7D2
#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 ST_MPU_CLK (0x1 << 0)
#define ST_CORE_CLK (0x1 << 0)
#define ST_PERIPH_CLK (0x1 << 1)
#define ST_IVA2_CLK (0x1 << 0)
#define RESETDONE (0x1 << 0)
#define TCLR_ST (0x1 << 0)
#define TCLR_AR (0x1 << 1)
#define TCLR_PRE (0x1 << 5)
/* SMX-APE */
#define PM_RT_APE_BASE_ADDR_ARM (SMX_APE_BASE + 0x10000)
#define PM_GPMC_BASE_ADDR_ARM (SMX_APE_BASE + 0x12400)
#define PM_OCM_RAM_BASE_ADDR_ARM (SMX_APE_BASE + 0x12800)
#define PM_IVA2_BASE_ADDR_ARM (SMX_APE_BASE + 0x14000)
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
struct pm {
u8 res1[0x48];
u32 req_info_permission_0; /* 0x48 */
u8 res2[0x4];
u32 read_permission_0; /* 0x50 */
u8 res3[0x4];
u32 wirte_permission_0; /* 0x58 */
u8 res4[0x4];
u32 addr_match_1; /* 0x58 */
u8 res5[0x4];
u32 req_info_permission_1; /* 0x68 */
u8 res6[0x14];
u32 addr_match_2; /* 0x80 */
};
#endif /*__ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
/* Permission values for registers -Full fledged permissions to all */
#define UNLOCK_1 0xFFFFFFFF
#define UNLOCK_2 0x00000000
#define UNLOCK_3 0x0000FFFF
#define NOT_EARLY 0
/* I2C base */
#define I2C_BASE1 (OMAP34XX_CORE_L4_IO_BASE + 0x70000)
#define I2C_BASE2 (OMAP34XX_CORE_L4_IO_BASE + 0x72000)
#define I2C_BASE3 (OMAP34XX_CORE_L4_IO_BASE + 0x60000)
/* 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 */
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