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/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Parts of this file are based on Ralink's 2.6.21 BSP
*
* Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
*/
#ifndef _RT305X_REGS_H_
#define _RT305X_REGS_H_
enum rt305x_soc_type {
RT305X_SOC_UNKNOWN = 0,
RT305X_SOC_RT3050,
RT305X_SOC_RT3052,
RT305X_SOC_RT3350,
RT305X_SOC_RT3352,
RT305X_SOC_RT5350,
};
extern enum rt305x_soc_type rt305x_soc;
static inline int soc_is_rt3050(void)
{
return rt305x_soc == RT305X_SOC_RT3050;
}
static inline int soc_is_rt3052(void)
{
return rt305x_soc == RT305X_SOC_RT3052;
}
static inline int soc_is_rt305x(void)
{
return soc_is_rt3050() || soc_is_rt3052();
}
static inline int soc_is_rt3350(void)
{
return rt305x_soc == RT305X_SOC_RT3350;
}
static inline int soc_is_rt3352(void)
{
return rt305x_soc == RT305X_SOC_RT3352;
}
static inline int soc_is_rt5350(void)
{
return rt305x_soc == RT305X_SOC_RT5350;
}
#define RT305X_SYSC_BASE 0x10000000
#define SYSC_REG_CHIP_NAME0 0x00
#define SYSC_REG_CHIP_NAME1 0x04
#define SYSC_REG_CHIP_ID 0x0c
#define SYSC_REG_SYSTEM_CONFIG 0x10
#define RT3052_CHIP_NAME0 0x30335452
#define RT3052_CHIP_NAME1 0x20203235
#define RT3350_CHIP_NAME0 0x33335452
#define RT3350_CHIP_NAME1 0x20203035
#define RT3352_CHIP_NAME0 0x33335452
#define RT3352_CHIP_NAME1 0x20203235
#define RT5350_CHIP_NAME0 0x33355452
#define RT5350_CHIP_NAME1 0x20203035
#define CHIP_ID_ID_MASK 0xff
#define CHIP_ID_ID_SHIFT 8
#define CHIP_ID_REV_MASK 0xff
#define RT305X_SYSCFG_CPUCLK_SHIFT 18
#define RT305X_SYSCFG_CPUCLK_MASK 0x1
#define RT305X_SYSCFG_CPUCLK_LOW 0x0
#define RT305X_SYSCFG_CPUCLK_HIGH 0x1
#define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT 2
#define RT305X_SYSCFG_CPUCLK_MASK 0x1
#define RT305X_SYSCFG_SRAM_CS0_MODE_WDT 0x1
#define RT3352_SYSCFG0_CPUCLK_SHIFT 8
#define RT3352_SYSCFG0_CPUCLK_MASK 0x1
#define RT3352_SYSCFG0_CPUCLK_LOW 0x0
#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1
#define RT5350_SYSCFG0_CPUCLK_SHIFT 8
#define RT5350_SYSCFG0_CPUCLK_MASK 0x3
#define RT5350_SYSCFG0_CPUCLK_360 0x0
#define RT5350_SYSCFG0_CPUCLK_320 0x2
#define RT5350_SYSCFG0_CPUCLK_300 0x3
/* multi function gpio pins */
#define RT305X_GPIO_I2C_SD 1
#define RT305X_GPIO_I2C_SCLK 2
#define RT305X_GPIO_SPI_EN 3
#define RT305X_GPIO_SPI_CLK 4
/* GPIO 7-14 is shared between UART0, PCM and I2S interfaces */
#define RT305X_GPIO_7 7
#define RT305X_GPIO_10 10
#define RT305X_GPIO_14 14
#define RT305X_GPIO_UART1_TXD 15
#define RT305X_GPIO_UART1_RXD 16
#define RT305X_GPIO_JTAG_TDO 17
#define RT305X_GPIO_JTAG_TDI 18
#define RT305X_GPIO_MDIO_MDC 22
#define RT305X_GPIO_MDIO_MDIO 23
#define RT305X_GPIO_SDRAM_MD16 24
#define RT305X_GPIO_SDRAM_MD31 39
#define RT305X_GPIO_GE0_TXD0 40
#define RT305X_GPIO_GE0_RXCLK 51
#define RT305X_GPIO_MODE_I2C BIT(0)
#define RT305X_GPIO_MODE_SPI BIT(1)
#define RT305X_GPIO_MODE_UART0_SHIFT 2
#define RT305X_GPIO_MODE_UART0_MASK 0x7
#define RT305X_GPIO_MODE_UART0(x) ((x) << RT305X_GPIO_MODE_UART0_SHIFT)
#define RT305X_GPIO_MODE_UARTF 0x0
#define RT305X_GPIO_MODE_PCM_UARTF 0x1
#define RT305X_GPIO_MODE_PCM_I2S 0x2
#define RT305X_GPIO_MODE_I2S_UARTF 0x3
#define RT305X_GPIO_MODE_PCM_GPIO 0x4
#define RT305X_GPIO_MODE_GPIO_UARTF 0x5
#define RT305X_GPIO_MODE_GPIO_I2S 0x6
#define RT305X_GPIO_MODE_GPIO 0x7
#define RT305X_GPIO_MODE_UART1 BIT(5)
#define RT305X_GPIO_MODE_JTAG BIT(6)
#define RT305X_GPIO_MODE_MDIO BIT(7)
#define RT305X_GPIO_MODE_SDRAM BIT(8)
#define RT305X_GPIO_MODE_RGMII BIT(9)
#endif
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