target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h

   1 #ifndef BCM63XX_CPU_H_
   2 #define BCM63XX_CPU_H_
   3
   4 #include <linux/types.h>
   5 #include <linux/init.h>
   6
   7 /*
   8  * Macro to fetch bcm63xx cpu id and revision, should be optimized at
   9  * compile time if only one CPU support is enabled (idea stolen from
  10  * arm mach-types)
  11  */
  12 #define BCM6348_CPU_ID          0x6348
  13 #define BCM6358_CPU_ID          0x6358
  14
  15 void __init bcm63xx_cpu_init(void);
  16 u16 __bcm63xx_get_cpu_id(void);
  17 u16 bcm63xx_get_cpu_rev(void);
  18 unsigned int bcm63xx_get_cpu_freq(void);
  19
  20 #ifdef CONFIG_BCM63XX_CPU_6348
  21 # ifdef bcm63xx_get_cpu_id
  22 #  undef bcm63xx_get_cpu_id
  23 #  define bcm63xx_get_cpu_id()  __bcm63xx_get_cpu_id()
  24 #  define BCMCPU_RUNTIME_DETECT
  25 # else
  26 #  define bcm63xx_get_cpu_id()  BCM6348_CPU_ID
  27 # endif
  28 # define BCMCPU_IS_6348()       (bcm63xx_get_cpu_id() == BCM6348_CPU_ID)
  29 #else
  30 # define BCMCPU_IS_6348()       (0)
  31 #endif
  32
  33 #ifdef CONFIG_BCM63XX_CPU_6358
  34 # ifdef bcm63xx_get_cpu_id
  35 #  undef bcm63xx_get_cpu_id
  36 #  define bcm63xx_get_cpu_id()  __bcm63xx_get_cpu_id()
  37 #  define BCMCPU_RUNTIME_DETECT
  38 # else
  39 #  define bcm63xx_get_cpu_id()  BCM6358_CPU_ID
  40 # endif
  41 # define BCMCPU_IS_6358()       (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
  42 #else
  43 # define BCMCPU_IS_6358()       (0)
  44 #endif
  45
  46 #ifndef bcm63xx_get_cpu_id
  47 #error "No CPU support configured"
  48 #endif
  49
  50 /*
  51  * While registers sets are (mostly) the same across 63xx CPU, base
  52  * address of these sets do change.
  53  */
  54 enum bcm63xx_regs_set {
  55         RSET_DSL_LMEM = 0,
  56         RSET_PERF,
  57         RSET_TIMER,
  58         RSET_WDT,
  59         RSET_UART0,
  60         RSET_GPIO,
  61         RSET_SPI,
  62         RSET_UDC0,
  63         RSET_OHCI0,
  64         RSET_OHCI_PRIV,
  65         RSET_USBH_PRIV,
  66         RSET_MPI,
  67         RSET_PCMCIA,
  68         RSET_DSL,
  69         RSET_ENET0,
  70         RSET_ENET1,
  71         RSET_ENETDMA,
  72         RSET_EHCI0,
  73         RSET_SDRAM,
  74         RSET_MEMC,
  75         RSET_DDR,
  76 };
  77
  78 #define RSET_DSL_LMEM_SIZE              (64 * 1024 * 4)
  79 #define RSET_DSL_SIZE                   4096
  80 #define RSET_WDT_SIZE                   12
  81 #define RSET_ENET_SIZE                  2048
  82 #define RSET_ENETDMA_SIZE               2048
  83 #define RSET_UART_SIZE                  24
  84 #define RSET_UDC_SIZE                   256
  85 #define RSET_OHCI_SIZE                  256
  86 #define RSET_EHCI_SIZE                  256
  87 #define RSET_PCMCIA_SIZE                12
  88
  89 /*
  90  * 6348 register sets base address
  91  */
  92 #define BCM_6348_DSL_LMEM_BASE          (0xfff00000)
  93 #define BCM_6348_PERF_BASE              (0xfffe0000)
  94 #define BCM_6348_TIMER_BASE             (0xfffe0200)
  95 #define BCM_6348_WDT_BASE               (0xfffe021c)
  96 #define BCM_6348_UART0_BASE             (0xfffe0300)
  97 #define BCM_6348_GPIO_BASE              (0xfffe0400)
  98 #define BCM_6348_SPI_BASE               (0xfffe0c00)
  99 #define BCM_6348_UDC0_BASE              (0xfffe1000)
 100 #define BCM_6348_OHCI0_BASE             (0xfffe1b00)
 101 #define BCM_6348_OHCI_PRIV_BASE         (0xfffe1c00)
 102 #define BCM_6348_USBH_PRIV_BASE         (0xdeadbeef)
 103 #define BCM_6348_MPI_BASE               (0xfffe2000)
 104 #define BCM_6348_PCMCIA_BASE            (0xfffe2054)
 105 #define BCM_6348_SDRAM_REGS_BASE        (0xfffe2300)
 106 #define BCM_6348_DSL_BASE               (0xfffe3000)
 107 #define BCM_6348_ENET0_BASE             (0xfffe6000)
 108 #define BCM_6348_ENET1_BASE             (0xfffe6800)
 109 #define BCM_6348_ENETDMA_BASE           (0xfffe7000)
 110 #define BCM_6348_EHCI0_BASE             (0xdeadbeef)
 111 #define BCM_6348_SDRAM_BASE             (0xfffe2300)
 112 #define BCM_6348_MEMC_BASE              (0xdeadbeef)
 113 #define BCM_6348_DDR_BASE               (0xdeadbeef)
 114
 115 /*
 116  * 6358 register sets base address
 117  */
 118 #define BCM_6358_DSL_LMEM_BASE          (0xfff00000)
 119 #define BCM_6358_PERF_BASE              (0xfffe0000)
 120 #define BCM_6358_TIMER_BASE             (0xfffe0040)
 121 #define BCM_6358_WDT_BASE               (0xfffe005c)
 122 #define BCM_6358_UART0_BASE             (0xfffe0100)
 123 #define BCM_6358_GPIO_BASE              (0xfffe0080)
 124 #define BCM_6358_SPI_BASE               (0xdeadbeef)
 125 #define BCM_6358_UDC0_BASE              (0xfffe0800)
 126 #define BCM_6358_OHCI0_BASE             (0xfffe1400)
 127 #define BCM_6358_OHCI_PRIV_BASE         (0xdeadbeef)
 128 #define BCM_6358_USBH_PRIV_BASE         (0xfffe1500)
 129 #define BCM_6358_MPI_BASE               (0xfffe1000)
 130 #define BCM_6358_PCMCIA_BASE            (0xfffe1054)
 131 #define BCM_6358_SDRAM_REGS_BASE        (0xfffe2300)
 132 #define BCM_6358_DSL_BASE               (0xfffe3000)
 133 #define BCM_6358_ENET0_BASE             (0xfffe4000)
 134 #define BCM_6358_ENET1_BASE             (0xfffe4800)
 135 #define BCM_6358_ENETDMA_BASE           (0xfffe5000)
 136 #define BCM_6358_EHCI0_BASE             (0xfffe1300)
 137 #define BCM_6358_SDRAM_BASE             (0xdeadbeef)
 138 #define BCM_6358_MEMC_BASE              (0xfffe1200)
 139 #define BCM_6358_DDR_BASE               (0xfffe12a0)
 140
 141
 142 extern const unsigned long *bcm63xx_regs_base;
 143
 144 static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
 145 {
 146 #ifdef BCMCPU_RUNTIME_DETECT
 147         return bcm63xx_regs_base[set];
 148 #else
 149 #ifdef CONFIG_BCM63XX_CPU_6348
 150         switch (set) {
 151         case RSET_DSL_LMEM:
 152                 return BCM_6348_DSL_LMEM_BASE;
 153         case RSET_PERF:
 154                 return BCM_6348_PERF_BASE;
 155         case RSET_TIMER:
 156                 return BCM_6348_TIMER_BASE;
 157         case RSET_WDT:
 158                 return BCM_6348_WDT_BASE;
 159         case RSET_UART0:
 160                 return BCM_6348_UART0_BASE;
 161         case RSET_GPIO:
 162                 return BCM_6348_GPIO_BASE;
 163         case RSET_SPI:
 164                 return BCM_6348_SPI_BASE;
 165         case RSET_UDC0:
 166                 return BCM_6348_UDC0_BASE;
 167         case RSET_OHCI0:
 168                 return BCM_6348_OHCI0_BASE;
 169         case RSET_OHCI_PRIV:
 170                 return BCM_6348_OHCI_PRIV_BASE;
 171         case RSET_USBH_PRIV:
 172                 return BCM_6348_USBH_PRIV_BASE;
 173         case RSET_MPI:
 174                 return BCM_6348_MPI_BASE;
 175         case RSET_PCMCIA:
 176                 return BCM_6348_PCMCIA_BASE;
 177         case RSET_DSL:
 178                 return BCM_6348_DSL_BASE;
 179         case RSET_ENET0:
 180                 return BCM_6348_ENET0_BASE;
 181         case RSET_ENET1:
 182                 return BCM_6348_ENET1_BASE;
 183         case RSET_ENETDMA:
 184                 return BCM_6348_ENETDMA_BASE;
 185         case RSET_EHCI0:
 186                 return BCM_6348_EHCI0_BASE;
 187         case RSET_SDRAM:
 188                 return BCM_6348_SDRAM_BASE;
 189         case RSET_MEMC:
 190                 return BCM_6348_MEMC_BASE;
 191         case RSET_DDR:
 192                 return BCM_6348_DDR_BASE;
 193         }
 194 #endif
 195 #ifdef CONFIG_BCM63XX_CPU_6358
 196         switch (set) {
 197         case RSET_DSL_LMEM:
 198                 return BCM_6358_DSL_LMEM_BASE;
 199         case RSET_PERF:
 200                 return BCM_6358_PERF_BASE;
 201         case RSET_TIMER:
 202                 return BCM_6358_TIMER_BASE;
 203         case RSET_WDT:
 204                 return BCM_6358_WDT_BASE;
 205         case RSET_UART0:
 206                 return BCM_6358_UART0_BASE;
 207         case RSET_GPIO:
 208                 return BCM_6358_GPIO_BASE;
 209         case RSET_SPI:
 210                 return BCM_6358_SPI_BASE;
 211         case RSET_UDC0:
 212                 return BCM_6358_UDC0_BASE;
 213         case RSET_OHCI0:
 214                 return BCM_6358_OHCI0_BASE;
 215         case RSET_OHCI_PRIV:
 216                 return BCM_6358_OHCI_PRIV_BASE;
 217         case RSET_USBH_PRIV:
 218                 return BCM_6358_USBH_PRIV_BASE;
 219         case RSET_MPI:
 220                 return BCM_6358_MPI_BASE;
 221         case RSET_PCMCIA:
 222                 return BCM_6358_PCMCIA_BASE;
 223         case RSET_ENET0:
 224                 return BCM_6358_ENET0_BASE;
 225         case RSET_ENET1:
 226                 return BCM_6358_ENET1_BASE;
 227         case RSET_ENETDMA:
 228                 return BCM_6358_ENETDMA_BASE;
 229         case RSET_DSL:
 230                 return BCM_6358_DSL_BASE;
 231         case RSET_EHCI0:
 232                 return BCM_6358_EHCI0_BASE;
 233         case RSET_SDRAM:
 234                 return BCM_6358_SDRAM_BASE;
 235         case RSET_MEMC:
 236                 return BCM_6358_MEMC_BASE;
 237         case RSET_DDR:
 238                 return BCM_6358_DDR_BASE;
 239         }
 240 #endif
 241 #endif
 242         /* unreached */
 243         return 0;
 244 }
 245
 246 /*
 247  * IRQ number changes across CPU too
 248  */
 249 enum bcm63xx_irq {
 250         IRQ_TIMER = 0,
 251         IRQ_UART0,
 252         IRQ_DSL,
 253         IRQ_ENET0,
 254         IRQ_ENET1,
 255         IRQ_ENET_PHY,
 256         IRQ_OHCI0,
 257         IRQ_EHCI0,
 258         IRQ_PCMCIA0,
 259         IRQ_ENET0_RXDMA,
 260         IRQ_ENET0_TXDMA,
 261         IRQ_ENET1_RXDMA,
 262         IRQ_ENET1_TXDMA,
 263         IRQ_PCI,
 264         IRQ_PCMCIA,
 265 };
 266
 267 /*
 268  * 6348 irqs
 269  */
 270 #define BCM_6348_TIMER_IRQ              (IRQ_INTERNAL_BASE + 0)
 271 #define BCM_6348_UART0_IRQ              (IRQ_INTERNAL_BASE + 2)
 272 #define BCM_6348_DSL_IRQ                (IRQ_INTERNAL_BASE + 4)
 273 #define BCM_6348_ENET1_IRQ              (IRQ_INTERNAL_BASE + 7)
 274 #define BCM_6348_ENET0_IRQ              (IRQ_INTERNAL_BASE + 8)
 275 #define BCM_6348_ENET_PHY_IRQ           (IRQ_INTERNAL_BASE + 9)
 276 #define BCM_6348_OHCI0_IRQ              (IRQ_INTERNAL_BASE + 12)
 277 #define BCM_6348_ENET0_RXDMA_IRQ        (IRQ_INTERNAL_BASE + 20)
 278 #define BCM_6348_ENET0_TXDMA_IRQ        (IRQ_INTERNAL_BASE + 21)
 279 #define BCM_6348_ENET1_RXDMA_IRQ        (IRQ_INTERNAL_BASE + 22)
 280 #define BCM_6348_ENET1_TXDMA_IRQ        (IRQ_INTERNAL_BASE + 23)
 281 #define BCM_6348_PCMCIA_IRQ             (IRQ_INTERNAL_BASE + 24)
 282 #define BCM_6348_PCI_IRQ                (IRQ_INTERNAL_BASE + 24)
 283
 284 /*
 285  * 6358 irqs
 286  */
 287 #define BCM_6358_TIMER_IRQ              (IRQ_INTERNAL_BASE + 0)
 288 #define BCM_6358_UART0_IRQ              (IRQ_INTERNAL_BASE + 2)
 289 #define BCM_6358_OHCI0_IRQ              (IRQ_INTERNAL_BASE + 5)
 290 #define BCM_6358_ENET1_IRQ              (IRQ_INTERNAL_BASE + 6)
 291 #define BCM_6358_ENET0_IRQ              (IRQ_INTERNAL_BASE + 8)
 292 #define BCM_6358_ENET_PHY_IRQ           (IRQ_INTERNAL_BASE + 9)
 293 #define BCM_6358_EHCI0_IRQ              (IRQ_INTERNAL_BASE + 10)
 294 #define BCM_6358_ENET0_RXDMA_IRQ        (IRQ_INTERNAL_BASE + 15)
 295 #define BCM_6358_ENET0_TXDMA_IRQ        (IRQ_INTERNAL_BASE + 16)
 296 #define BCM_6358_ENET1_RXDMA_IRQ        (IRQ_INTERNAL_BASE + 17)
 297 #define BCM_6358_ENET1_TXDMA_IRQ        (IRQ_INTERNAL_BASE + 18)
 298 #define BCM_6358_DSL_IRQ                (IRQ_INTERNAL_BASE + 29)
 299 #define BCM_6358_PCI_IRQ                (IRQ_INTERNAL_BASE + 31)
 300 #define BCM_6358_PCMCIA_IRQ             (IRQ_INTERNAL_BASE + 24)
 301
 302 extern const int *bcm63xx_irqs;
 303
 304 static inline int bcm63xx_get_irq_number(enum bcm63xx_irq irq)
 305 {
 306         return bcm63xx_irqs[irq];
 307 }
 308
 309 /*
 310  * return installed memory size
 311  */
 312 unsigned int bcm63xx_get_memory_size(void);
 313
 314 #endif /* !BCM63XX_CPU_H_ */