arch/mips/ath25/ar5312_regs.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2003 Atheros Communications, Inc.,  All Rights Reserved.
   7  * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
   8  * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
   9  */
  10
  11 #ifndef __ASM_MACH_ATH25_AR5312_REGS_H
  12 #define __ASM_MACH_ATH25_AR5312_REGS_H
  13
  14 /*
  15  * IRQs
  16  */
  17 #define AR5312_IRQ_WLAN0        (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */
  18 #define AR5312_IRQ_ENET0        (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */
  19 #define AR5312_IRQ_ENET1        (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */
  20 #define AR5312_IRQ_WLAN1        (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */
  21 #define AR5312_IRQ_MISC         (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */
  22
  23 /*
  24  * Miscellaneous interrupts, which share IP6.
  25  */
  26 #define AR5312_MISC_IRQ_TIMER           0
  27 #define AR5312_MISC_IRQ_AHB_PROC        1
  28 #define AR5312_MISC_IRQ_AHB_DMA         2
  29 #define AR5312_MISC_IRQ_GPIO            3
  30 #define AR5312_MISC_IRQ_UART0           4
  31 #define AR5312_MISC_IRQ_UART0_DMA       5
  32 #define AR5312_MISC_IRQ_WATCHDOG        6
  33 #define AR5312_MISC_IRQ_LOCAL           7
  34 #define AR5312_MISC_IRQ_SPI             8
  35 #define AR5312_MISC_IRQ_COUNT           9
  36
  37 /*
  38  * Address Map
  39  *
  40  * The AR5312 supports 2 enet MACS, even though many reference boards only
  41  * actually use 1 of them (i.e. Only MAC 0 is actually connected to an enet
  42  * PHY or PHY switch. The AR2312 supports 1 enet MAC.
  43  */
  44 #define AR5312_WLAN0_BASE               0x18000000
  45 #define AR5312_ENET0_BASE               0x18100000
  46 #define AR5312_ENET1_BASE               0x18200000
  47 #define AR5312_SDRAMCTL_BASE            0x18300000
  48 #define AR5312_SDRAMCTL_SIZE            0x00000010
  49 #define AR5312_FLASHCTL_BASE            0x18400000
  50 #define AR5312_FLASHCTL_SIZE            0x00000010
  51 #define AR5312_WLAN1_BASE               0x18500000
  52 #define AR5312_UART0_BASE               0x1c000000      /* UART MMR */
  53 #define AR5312_GPIO_BASE                0x1c002000
  54 #define AR5312_GPIO_SIZE                0x00000010
  55 #define AR5312_RST_BASE                 0x1c003000
  56 #define AR5312_RST_SIZE                 0x00000100
  57 #define AR5312_FLASH_BASE               0x1e000000
  58 #define AR5312_FLASH_SIZE               0x00800000
  59
  60 /*
  61  * Need these defines to determine true number of ethernet MACs
  62  */
  63 #define AR5312_AR5312_REV2      0x0052          /* AR5312 WMAC (AP31) */
  64 #define AR5312_AR5312_REV7      0x0057          /* AR5312 WMAC (AP30-040) */
  65 #define AR5312_AR2313_REV8      0x0058          /* AR2313 WMAC (AP43-030) */
  66
  67 /* Reset/Timer Block Address Map */
  68 #define AR5312_TIMER            0x0000 /* countdown timer */
  69 #define AR5312_RELOAD           0x0004 /* timer reload value */
  70 #define AR5312_WDT_CTRL         0x0008 /* watchdog cntrl */
  71 #define AR5312_WDT_TIMER        0x000c /* watchdog timer */
  72 #define AR5312_ISR              0x0010 /* Intr Status Reg */
  73 #define AR5312_IMR              0x0014 /* Intr Mask Reg */
  74 #define AR5312_RESET            0x0020
  75 #define AR5312_CLOCKCTL1        0x0064
  76 #define AR5312_SCRATCH          0x006c
  77 #define AR5312_PROCADDR         0x0070
  78 #define AR5312_PROC1            0x0074
  79 #define AR5312_DMAADDR          0x0078
  80 #define AR5312_DMA1             0x007c
  81 #define AR5312_ENABLE           0x0080 /* interface enb */
  82 #define AR5312_REV              0x0090 /* revision */
  83
  84 /* AR5312_WDT_CTRL register bit field definitions */
  85 #define AR5312_WDT_CTRL_IGNORE  0x00000000      /* ignore expiration */
  86 #define AR5312_WDT_CTRL_NMI     0x00000001
  87 #define AR5312_WDT_CTRL_RESET   0x00000002
  88
  89 /* AR5312_ISR register bit field definitions */
  90 #define AR5312_ISR_TIMER        0x00000001
  91 #define AR5312_ISR_AHBPROC      0x00000002
  92 #define AR5312_ISR_AHBDMA       0x00000004
  93 #define AR5312_ISR_GPIO         0x00000008
  94 #define AR5312_ISR_UART0        0x00000010
  95 #define AR5312_ISR_UART0DMA     0x00000020
  96 #define AR5312_ISR_WD           0x00000040
  97 #define AR5312_ISR_LOCAL        0x00000080
  98
  99 /* AR5312_RESET register bit field definitions */
 100 #define AR5312_RESET_SYSTEM             0x00000001  /* cold reset full system */
 101 #define AR5312_RESET_PROC               0x00000002  /* cold reset MIPS core */
 102 #define AR5312_RESET_WLAN0              0x00000004  /* cold reset WLAN MAC/BB */
 103 #define AR5312_RESET_EPHY0              0x00000008  /* cold reset ENET0 phy */
 104 #define AR5312_RESET_EPHY1              0x00000010  /* cold reset ENET1 phy */
 105 #define AR5312_RESET_ENET0              0x00000020  /* cold reset ENET0 MAC */
 106 #define AR5312_RESET_ENET1              0x00000040  /* cold reset ENET1 MAC */
 107 #define AR5312_RESET_UART0              0x00000100  /* cold reset UART0 */
 108 #define AR5312_RESET_WLAN1              0x00000200  /* cold reset WLAN MAC/BB */
 109 #define AR5312_RESET_APB                0x00000400  /* cold reset APB ar5312 */
 110 #define AR5312_RESET_WARM_PROC          0x00001000  /* warm reset MIPS core */
 111 #define AR5312_RESET_WARM_WLAN0_MAC     0x00002000  /* warm reset WLAN0 MAC */
 112 #define AR5312_RESET_WARM_WLAN0_BB      0x00004000  /* warm reset WLAN0 BB */
 113 #define AR5312_RESET_NMI                0x00010000  /* send an NMI to the CPU */
 114 #define AR5312_RESET_WARM_WLAN1_MAC     0x00020000  /* warm reset WLAN1 MAC */
 115 #define AR5312_RESET_WARM_WLAN1_BB      0x00040000  /* warm reset WLAN1 BB */
 116 #define AR5312_RESET_LOCAL_BUS          0x00080000  /* reset local bus */
 117 #define AR5312_RESET_WDOG               0x00100000  /* last reset was a wdt */
 118
 119 #define AR5312_RESET_WMAC0_BITS         (AR5312_RESET_WLAN0 |\
 120                                          AR5312_RESET_WARM_WLAN0_MAC |\
 121                                          AR5312_RESET_WARM_WLAN0_BB)
 122
 123 #define AR5312_RESET_WMAC1_BITS         (AR5312_RESET_WLAN1 |\
 124                                          AR5312_RESET_WARM_WLAN1_MAC |\
 125                                          AR5312_RESET_WARM_WLAN1_BB)
 126
 127 /* AR5312_CLOCKCTL1 register bit field definitions */
 128 #define AR5312_CLOCKCTL1_PREDIVIDE_MASK         0x00000030
 129 #define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT        4
 130 #define AR5312_CLOCKCTL1_MULTIPLIER_MASK        0x00001f00
 131 #define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT       8
 132 #define AR5312_CLOCKCTL1_DOUBLER_MASK           0x00010000
 133
 134 /* Valid for AR5312 and AR2312 */
 135 #define AR5312_CLOCKCTL1_PREDIVIDE_MASK         0x00000030
 136 #define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT        4
 137 #define AR5312_CLOCKCTL1_MULTIPLIER_MASK        0x00001f00
 138 #define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT       8
 139 #define AR5312_CLOCKCTL1_DOUBLER_MASK           0x00010000
 140
 141 /* Valid for AR2313 */
 142 #define AR2313_CLOCKCTL1_PREDIVIDE_MASK         0x00003000
 143 #define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT        12
 144 #define AR2313_CLOCKCTL1_MULTIPLIER_MASK        0x001f0000
 145 #define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT       16
 146 #define AR2313_CLOCKCTL1_DOUBLER_MASK           0x00000000
 147
 148 /* AR5312_ENABLE register bit field definitions */
 149 #define AR5312_ENABLE_WLAN0                     0x00000001
 150 #define AR5312_ENABLE_ENET0                     0x00000002
 151 #define AR5312_ENABLE_ENET1                     0x00000004
 152 #define AR5312_ENABLE_UART_AND_WLAN1_PIO        0x00000008/* UART & WLAN1 PIO */
 153 #define AR5312_ENABLE_WLAN1_DMA                 0x00000010/* WLAN1 DMAs */
 154 #define AR5312_ENABLE_WLAN1             (AR5312_ENABLE_UART_AND_WLAN1_PIO |\
 155                                          AR5312_ENABLE_WLAN1_DMA)
 156
 157 /* AR5312_REV register bit field definitions */
 158 #define AR5312_REV_WMAC_MAJ     0x0000f000
 159 #define AR5312_REV_WMAC_MAJ_S   12
 160 #define AR5312_REV_WMAC_MIN     0x00000f00
 161 #define AR5312_REV_WMAC_MIN_S   8
 162 #define AR5312_REV_MAJ          0x000000f0
 163 #define AR5312_REV_MAJ_S        4
 164 #define AR5312_REV_MIN          0x0000000f
 165 #define AR5312_REV_MIN_S        0
 166 #define AR5312_REV_CHIP         (AR5312_REV_MAJ|AR5312_REV_MIN)
 167
 168 /* Major revision numbers, bits 7..4 of Revision ID register */
 169 #define AR5312_REV_MAJ_AR5312           0x4
 170 #define AR5312_REV_MAJ_AR2313           0x5
 171
 172 /* Minor revision numbers, bits 3..0 of Revision ID register */
 173 #define AR5312_REV_MIN_DUAL             0x0     /* Dual WLAN version */
 174 #define AR5312_REV_MIN_SINGLE           0x1     /* Single WLAN version */
 175
 176 /*
 177  * ARM Flash Controller -- 3 flash banks with either x8 or x16 devices
 178  */
 179 #define AR5312_FLASHCTL0        0x0000
 180 #define AR5312_FLASHCTL1        0x0004
 181 #define AR5312_FLASHCTL2        0x0008
 182
 183 /* AR5312_FLASHCTL register bit field definitions */
 184 #define AR5312_FLASHCTL_IDCY    0x0000000f      /* Idle cycle turnaround time */
 185 #define AR5312_FLASHCTL_IDCY_S  0
 186 #define AR5312_FLASHCTL_WST1    0x000003e0      /* Wait state 1 */
 187 #define AR5312_FLASHCTL_WST1_S  5
 188 #define AR5312_FLASHCTL_RBLE    0x00000400      /* Read byte lane enable */
 189 #define AR5312_FLASHCTL_WST2    0x0000f800      /* Wait state 2 */
 190 #define AR5312_FLASHCTL_WST2_S  11
 191 #define AR5312_FLASHCTL_AC      0x00070000      /* Flash addr check (added) */
 192 #define AR5312_FLASHCTL_AC_S    16
 193 #define AR5312_FLASHCTL_AC_128K 0x00000000
 194 #define AR5312_FLASHCTL_AC_256K 0x00010000
 195 #define AR5312_FLASHCTL_AC_512K 0x00020000
 196 #define AR5312_FLASHCTL_AC_1M   0x00030000
 197 #define AR5312_FLASHCTL_AC_2M   0x00040000
 198 #define AR5312_FLASHCTL_AC_4M   0x00050000
 199 #define AR5312_FLASHCTL_AC_8M   0x00060000
 200 #define AR5312_FLASHCTL_AC_RES  0x00070000      /* 16MB is not supported */
 201 #define AR5312_FLASHCTL_E       0x00080000      /* Flash bank enable (added) */
 202 #define AR5312_FLASHCTL_BUSERR  0x01000000      /* Bus transfer error flag */
 203 #define AR5312_FLASHCTL_WPERR   0x02000000      /* Write protect error flag */
 204 #define AR5312_FLASHCTL_WP      0x04000000      /* Write protect */
 205 #define AR5312_FLASHCTL_BM      0x08000000      /* Burst mode */
 206 #define AR5312_FLASHCTL_MW      0x30000000      /* Mem width */
 207 #define AR5312_FLASHCTL_MW8     0x00000000      /* Mem width x8 */
 208 #define AR5312_FLASHCTL_MW16    0x10000000      /* Mem width x16 */
 209 #define AR5312_FLASHCTL_MW32    0x20000000      /* Mem width x32 (not supp) */
 210 #define AR5312_FLASHCTL_ATNR    0x00000000      /* Access == no retry */
 211 #define AR5312_FLASHCTL_ATR     0x80000000      /* Access == retry every */
 212 #define AR5312_FLASHCTL_ATR4    0xc0000000      /* Access == retry every 4 */
 213
 214 /*
 215  * ARM SDRAM Controller -- just enough to determine memory size
 216  */
 217 #define AR5312_MEM_CFG1         0x0004
 218
 219 #define AR5312_MEM_CFG1_AC0_M   0x00000700      /* bank 0: SDRAM addr check */
 220 #define AR5312_MEM_CFG1_AC0_S   8
 221 #define AR5312_MEM_CFG1_AC1_M   0x00007000      /* bank 1: SDRAM addr check */
 222 #define AR5312_MEM_CFG1_AC1_S   12
 223
 224 #endif  /* __ASM_MACH_ATH25_AR5312_REGS_H */