upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/include/asm/arch-u8500/prcmu.h

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/*
* Copyright (C) 2009 ST-Ericsson SA
*
* Copied from the Linux version:
* Author: Kumar Sanghvi <kumar.sanghvi@stericsson.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __MACH_PRCMU_FW_V1_H
#define __MACH_PRCMU_FW_V1_H
#define AP_EXECUTE 2
#define I2CREAD 1
#define I2C_WR_OK 1
#define I2C_RD_OK 2
#define I2CWRITE 0
#define PRCMU_BASE U8500_PRCMU_BASE
#define PRCMU_BASE_TCDM U8500_PRCMU_TCDM_BASE
#define PRCM_UARTCLK_MGT_REG (PRCMU_BASE + 0x018)
#define PRCM_MSPCLK_MGT_REG (PRCMU_BASE + 0x01C)
#define PRCM_I2CCLK_MGT_REG (PRCMU_BASE + 0x020)
#define PRCM_SDMMCCLK_MGT_REG (PRCMU_BASE + 0x024)
#define PRCM_PER1CLK_MGT_REG (PRCMU_BASE + 0x02C)
#define PRCM_PER2CLK_MGT_REG (PRCMU_BASE + 0x030)
#define PRCM_PER3CLK_MGT_REG (PRCMU_BASE + 0x034)
#define PRCM_PER5CLK_MGT_REG (PRCMU_BASE + 0x038)
#define PRCM_PER6CLK_MGT_REG (PRCMU_BASE + 0x03C)
#define PRCM_PER7CLK_MGT_REG (PRCMU_BASE + 0x040)
#define PRCM_MBOX_CPU_VAL (PRCMU_BASE + 0x0FC)
#define PRCM_MBOX_CPU_SET (PRCMU_BASE + 0x100)
#define PRCM_ARM_IT1_CLEAR (PRCMU_BASE + 0x48C)
#define PRCM_ARM_IT1_VAL (PRCMU_BASE + 0x494)
#define PRCM_TCR (PRCMU_BASE + 0x1C8)
#define PRCM_REQ_MB5 (PRCMU_BASE_TCDM + 0xE44)
#define PRCM_ACK_MB5 (PRCMU_BASE_TCDM + 0xDF4)
#define PRCM_XP70_CUR_PWR_STATE (PRCMU_BASE_TCDM + 0xFFC)
/* Mailbox 5 Requests */
#define PRCM_REQ_MB5_I2COPTYPE_REG (PRCM_REQ_MB5 + 0x0)
#define PRCM_REQ_MB5_BIT_FIELDS (PRCM_REQ_MB5 + 0x1)
#define PRCM_REQ_MB5_I2CSLAVE (PRCM_REQ_MB5 + 0x2)
#define PRCM_REQ_MB5_I2CVAL (PRCM_REQ_MB5 + 0x3)
/* Mailbox 5 ACKs */
#define PRCM_ACK_MB5_STATUS (PRCM_ACK_MB5 + 0x1)
#define PRCM_ACK_MB5_SLAVE (PRCM_ACK_MB5 + 0x2)
#define PRCM_ACK_MB5_VAL (PRCM_ACK_MB5 + 0x3)
#define LOW_POWER_WAKEUP 1
#define EXE_WAKEUP 0
#define REQ_MB5 5
#define ab8500_read prcmu_i2c_read
#define ab8500_write prcmu_i2c_write
int prcmu_i2c_read(u8 reg, u16 slave);
int prcmu_i2c_write(u8 reg, u16 slave, u8 reg_data);
void u8500_prcmu_enable(u32 *reg);
void db8500_prcmu_init(void);
#endif /* __MACH_PRCMU_FW_V1_H */