u-boot/board/st-ericsson/u8500/prcmu-fw.h
John Rigby afbf88993c armv7: Add support for ST-Ericsson U8500 href platform
Minimal platform support to boot linux from SD.

Supported devices/hw limited to external MMC/SD slot,
GPIO, I2C and minimal PRCMU.

Signed-off-by: John Rigby <john.rigby@linaro.org>
CC: Albert Aribaud <albert.aribaud@free.fr>
2011-06-01 19:31:03 +02:00

56 lines
1.8 KiB
C

/*
* 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_TCDM_BASE U8500_PRCMU_TCDM_BASE
#define PRCM_XP70_CUR_PWR_STATE (_PRCMU_TCDM_BASE + 0xFFC) /* 4 BYTES */
#define PRCM_REQ_MB5 (_PRCMU_TCDM_BASE + 0xE44) /* 4 bytes */
#define PRCM_ACK_MB5 (_PRCMU_TCDM_BASE + 0xDF4) /* 4 bytes */
/* 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
extern int prcmu_i2c_read(u8 reg, u16 slave);
extern int prcmu_i2c_write(u8 reg, u16 slave, u8 reg_data);
#endif /* __MACH_PRCMU_FW_V1_H */