target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt288x_regs.h

   1 /*
   2  *  Ralink RT288x SoC register definitions
   3  *
   4  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #ifndef _RT288X_REGS_H_
  13 #define _RT288X_REGS_H_
  14
  15 #include <linux/bitops.h>
  16
  17 #define RT2880_SYSC_BASE        0x00300000
  18 #define RT2880_TIMER_BASE       0x00300100
  19 #define RT2880_INTC_BASE        0x00300200
  20 #define RT2880_MEMC_BASE        0x00300300
  21 #define RT2880_UART0_BASE       0x00300500
  22 #define RT2880_PIO_BASE         0x00300600
  23 #define RT2880_I2C_BASE         0x00300900
  24 #define RT2880_SPI_BASE         0x00300b00
  25 #define RT2880_UART1_BASE       0x00300c00
  26 #define RT2880_FE_BASE          0x00400000
  27 #define RT2880_ROM_BASE         0x00410000
  28 #define RT2880_PCM_BASE         0x00420000
  29 #define RT2880_PCI_BASE         0x00440000
  30 #define RT2880_WMAC_BASE        0x00480000
  31 #define RT2880_FLASH1_BASE      0x01000000
  32 #define RT2880_FLASH0_BASE      0x1fc00000
  33 #define RT2880_SDRAM_BASE       0x08000000
  34
  35 #define RT2880_SYSC_SIZE        0x100
  36 #define RT2880_TIMER_SIZE       0x100
  37 #define RT2880_INTC_SIZE        0x100
  38 #define RT2880_MEMC_SIZE        0x100
  39 #define RT2880_UART0_SIZE       0x100
  40 #define RT2880_PIO_SIZE         0x100
  41 #define RT2880_UART1_SIZE       0x100
  42 #define RT2880_FLASH1_SIZE      (16 * 1024 * 1024)
  43 #define RT2880_FLASH0_SIZE      (4 * 1024 * 1024)
  44
  45 /* SYSC registers */
  46 #define SYSC_REG_CHIP_NAME0     0x000   /* Chip Name 0 */
  47 #define SYSC_REG_CHIP_NAME1     0x004   /* Chip Name 1 */
  48 #define SYSC_REG_CHIP_ID        0x00c   /* Chip Identification */
  49 #define SYSC_REG_SYSTEM_CONFIG  0x010   /* System Configuration */
  50 #define SYSC_REG_CLKCFG         0x030
  51 #define SYSC_REG_RESET_CTRL     0x034   /* Reset Control*/
  52 #define SYSC_REG_RESET_STATUS   0x038   /* Reset Status*/
  53 #define SYSC_REG_GPIO_MODE      0x060   /* GPIO Purpose Select */
  54 #define SYSC_REG_IA_ADDRESS     0x310   /* Illegal Access Address */
  55 #define SYSC_REG_IA_TYPE        0x314   /* Illegal Access Type */
  56
  57 #define CHIP_ID_ID_MASK         0xff
  58 #define CHIP_ID_ID_SHIFT        8
  59 #define CHIP_ID_REV_MASK        0xff
  60
  61 #define SYSTEM_CONFIG_CPUCLK_SHIFT      20
  62 #define SYSTEM_CONFIG_CPUCLK_MASK       0x3
  63 #define SYSTEM_CONFIG_CPUCLK_250        0x0
  64 #define SYSTEM_CONFIG_CPUCLK_266        0x1
  65 #define SYSTEM_CONFIG_CPUCLK_280        0x2
  66 #define SYSTEM_CONFIG_CPUCLK_300        0x3
  67
  68 #define CLKCFG_SRAM_CS_N_WDT    BIT(9)
  69
  70 #define RT2880_RESET_SYSTEM     BIT(0)
  71 #define RT2880_RESET_TIMER      BIT(1)
  72 #define RT2880_RESET_INTC       BIT(2)
  73 #define RT2880_RESET_MEMC       BIT(3)
  74 #define RT2880_RESET_CPU        BIT(4)
  75 #define RT2880_RESET_UART0      BIT(5)
  76 #define RT2880_RESET_PIO        BIT(6)
  77 #define RT2880_RESET_I2C        BIT(9)
  78 #define RT2880_RESET_SPI        BIT(11)
  79 #define RT2880_RESET_UART1      BIT(12)
  80 #define RT2880_RESET_PCI        BIT(16)
  81 #define RT2880_RESET_WMAC       BIT(17)
  82 #define RT2880_RESET_FE         BIT(18)
  83 #define RT2880_RESET_PCM        BIT(19)
  84
  85 #define RT2880_GPIO_MODE_I2C    BIT(0)
  86 #define RT2880_GPIO_MODE_UART0  BIT(1)
  87 #define RT2880_GPIO_MODE_SPI    BIT(2)
  88 #define RT2880_GPIO_MODE_UART1  BIT(3)
  89 #define RT2880_GPIO_MODE_JTAG   BIT(4)
  90 #define RT2880_GPIO_MODE_MDIO   BIT(5)
  91 #define RT2880_GPIO_MODE_SDRAM  BIT(6)
  92 #define RT2880_GPIO_MODE_PCI    BIT(7)
  93
  94 #define RT2880_INTC_INT_TIMER0  BIT(0)
  95 #define RT2880_INTC_INT_TIMER1  BIT(1)
  96 #define RT2880_INTC_INT_UART0   BIT(2)
  97 #define RT2880_INTC_INT_PIO     BIT(3)
  98 #define RT2880_INTC_INT_PCM     BIT(4)
  99 #define RT2880_INTC_INT_UART1   BIT(8)
 100 #define RT2880_INTC_INT_IA      BIT(23)
 101 #define RT2880_INTC_INT_GLOBAL  BIT(31)
 102
 103 /* MEMC registers */
 104 #define MEMC_REG_SDRAM_CFG0     0x00
 105 #define MEMC_REG_SDRAM_CFG1     0x04
 106 #define MEMC_REG_FLASH_CFG0     0x08
 107 #define MEMC_REG_FLASH_CFG1     0x0c
 108 #define MEMC_REG_IA_ADDR        0x10
 109 #define MEMC_REG_IA_TYPE        0x14
 110
 111 #define FLASH_CFG_WIDTH_SHIFT   26
 112 #define FLASH_CFG_WIDTH_MASK    0x3
 113 #define FLASH_CFG_WIDTH_8BIT    0x0
 114 #define FLASH_CFG_WIDTH_16BIT   0x1
 115 #define FLASH_CFG_WIDTH_32BIT   0x2
 116
 117 /* UART registers */
 118 #define UART_REG_RX     0
 119 #define UART_REG_TX     1
 120 #define UART_REG_IER    2
 121 #define UART_REG_IIR    3
 122 #define UART_REG_FCR    4
 123 #define UART_REG_LCR    5
 124 #define UART_REG_MCR    6
 125 #define UART_REG_LSR    7
 126
 127 #endif /* _RT288X_REGS_H_ */