u-boot/arch/arm/include/asm/arch-omap4/omap.h
Paul Kocialkowski faec3f9841 omap4: Reboot mode support
Reboot mode is written to SAR memory before reboot in the form of a string.

This mechanism is supported on OMAP4 by various TI kernels.

It is up to each board to make use of this mechanism or not.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
2016-03-15 15:12:53 -04:00

142 lines
3.9 KiB
C

/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Authors:
* Aneesh V <aneesh@ti.com>
*
* Derived from OMAP3 work by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <x0khasim@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _OMAP4_H_
#define _OMAP4_H_
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
/*
* L4 Peripherals - L4 Wakeup and L4 Core now
*/
#define OMAP44XX_L4_CORE_BASE 0x4A000000
#define OMAP44XX_L4_WKUP_BASE 0x4A300000
#define OMAP44XX_L4_PER_BASE 0x48000000
#define OMAP44XX_DRAM_ADDR_SPACE_START 0x80000000
#define OMAP44XX_DRAM_ADDR_SPACE_END 0xD0000000
#define DRAM_ADDR_SPACE_START OMAP44XX_DRAM_ADDR_SPACE_START
#define DRAM_ADDR_SPACE_END OMAP44XX_DRAM_ADDR_SPACE_END
/* CONTROL_ID_CODE */
#define CONTROL_ID_CODE 0x4A002204
#define OMAP4_CONTROL_ID_CODE_ES1_0 0x0B85202F
#define OMAP4_CONTROL_ID_CODE_ES2_0 0x1B85202F
#define OMAP4_CONTROL_ID_CODE_ES2_1 0x3B95C02F
#define OMAP4_CONTROL_ID_CODE_ES2_2 0x4B95C02F
#define OMAP4_CONTROL_ID_CODE_ES2_3 0x6B95C02F
#define OMAP4460_CONTROL_ID_CODE_ES1_0 0x0B94E02F
#define OMAP4460_CONTROL_ID_CODE_ES1_1 0x2B94E02F
#define OMAP4470_CONTROL_ID_CODE_ES1_0 0x0B97502F
/* UART */
#define UART1_BASE (OMAP44XX_L4_PER_BASE + 0x6a000)
#define UART2_BASE (OMAP44XX_L4_PER_BASE + 0x6c000)
#define UART3_BASE (OMAP44XX_L4_PER_BASE + 0x20000)
/* General Purpose Timers */
#define GPT1_BASE (OMAP44XX_L4_WKUP_BASE + 0x18000)
#define GPT2_BASE (OMAP44XX_L4_PER_BASE + 0x32000)
#define GPT3_BASE (OMAP44XX_L4_PER_BASE + 0x34000)
/* Watchdog Timer2 - MPU watchdog */
#define WDT2_BASE (OMAP44XX_L4_WKUP_BASE + 0x14000)
/*
* Hardware Register Details
*/
/* Watchdog Timer */
#define WD_UNLOCK1 0xAAAA
#define WD_UNLOCK2 0x5555
/* GP Timer */
#define TCLR_ST (0x1 << 0)
#define TCLR_AR (0x1 << 1)
#define TCLR_PRE (0x1 << 5)
/* Control Module */
#define LDOSRAM_ACTMODE_VSET_IN_MASK (0x1F << 5)
#define LDOSRAM_VOLT_CTRL_OVERRIDE 0x0401040f
#define CONTROL_EFUSE_1_OVERRIDE 0x1C4D0110
#define CONTROL_EFUSE_2_OVERRIDE 0x99084000
/* LPDDR2 IO regs */
#define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN 0x1C1C1C1C
#define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER 0x9E9E9E9E
#define CONTROL_LPDDR2IO_SLEW_315PS_DRV12_PULL_DOWN 0x7C7C7C7C
#define LPDDR2IO_GR10_WD_MASK (3 << 17)
#define CONTROL_LPDDR2IO_3_VAL 0xA0888C0F
/* CONTROL_EFUSE_2 */
#define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000
#define MMC1_PWRDNZ (1 << 26)
#define MMC1_PBIASLITE_PWRDNZ (1 << 22)
#define MMC1_PBIASLITE_VMODE (1 << 21)
#ifndef __ASSEMBLY__
struct s32ktimer {
unsigned char res[0x10];
unsigned int s32k_cr; /* 0x10 */
};
#define DEVICE_TYPE_SHIFT (0x8)
#define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT)
#define DEVICE_GP 0x3
#endif /* __ASSEMBLY__ */
/*
* Non-secure SRAM Addresses
* Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
* at 0x40304000(EMU base) so that our code works for both EMU and GP
*/
#define NON_SECURE_SRAM_START 0x40304000
#define NON_SECURE_SRAM_END 0x4030E000 /* Not inclusive */
#define SRAM_SCRATCH_SPACE_ADDR 0x4030C000
/* base address for indirect vectors (internal boot mode) */
#define SRAM_ROM_VECT_BASE 0x4030D000
/* ABB settings */
#define OMAP_ABB_SETTLING_TIME 50
#define OMAP_ABB_CLOCK_CYCLES 16
/* ABB tranxdone mask */
#define OMAP_ABB_MPU_TXDONE_MASK (0x1 << 7)
#define OMAP44XX_SAR_RAM_BASE 0x4a326000
#define OMAP_REBOOT_REASON_OFFSET 0xA0C
#define OMAP_REBOOT_REASON_SIZE 0x0F
/* Boot parameters */
#ifndef __ASSEMBLY__
struct omap_boot_parameters {
unsigned int boot_message;
unsigned int boot_device_descriptor;
unsigned char boot_device;
unsigned char reset_reason;
unsigned char ch_flags;
};
int omap_reboot_mode(char *mode, unsigned int length);
int omap_reboot_mode_clear(void);
int omap_reboot_mode_store(char *mode);
#endif
#endif