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https://github.com/AsahiLinux/u-boot
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3f7f6b8592
The P1023RDS board is the reference board for the P1023 SoC. Add support for booting it from NOR or NAND, with fixed 2G of DDR, PCIe, UART, I2C, etc. Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> Signed-off-by: Lei Xu <B33228@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Copyright (C) 2011 Freescale Semiconductor, Inc.
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*
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* Authors: Chunhe Lan <b25806@freescale.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef __BCSR_H_
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#define __BCSR_H_
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#include <common.h>
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/*
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* BCSR Bit definitions
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* BCSR 15 *
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0 device insertion oriention
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1 stack processor present
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2 power supply shut down/normal operation
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3 I2C bus0 drive enable
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4 reserved
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5:7 I2C bus0 select
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5 - I2C_BUS_0_SS0
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6 - I2C_BUS_0_SS1
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7 - I2C_BUS_0_SS2
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*/
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/* BCSR register base address is 0xFX000020 */
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#define BCSR_BASE_REG_OFFSET 0x20
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#define BCSR_ACCESS_REG_ADDR (CONFIG_SYS_BCSR_BASE + BCSR_BASE_REG_OFFSET)
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#define BCSR15_DEV_INS_ORI 0x80
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#define BCSR15_STACK_PRO_PRE 0x40
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#define BCSR15_POWER_SUPPLY 0x20
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#define BCSR15_I2C_BUS0_EN 0x10
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#define BCSR15_I2C_BUS0_SEG0 0x00
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#define BCSR15_I2C_BUS0_SEG1 0x04
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#define BCSR15_I2C_BUS0_SEG2 0x02
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#define BCSR15_I2C_BUS0_SEG3 0x06
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#define BCSR15_I2C_BUS0_SEG4 0x01
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#define BCSR15_I2C_BUS0_SEG5 0x05
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#define BCSR15_I2C_BUS0_SEG6 0x03
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#define BCSR15_I2C_BUS0_SEG7 0x07
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#define BCSR15_I2C_BUS0_SEG_CLR 0x07
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#define BCSR19_SGMII_SEL_L 0x01
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/*BCSR Utils functions*/
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void fixup_i2c_bus0_sel_seg0(void);
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#endif /* __BCSR_H_ */
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