board/amcc/bamboo/bamboo.h

   1 /*
   2  * (C) Copyright 2005
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*----------------------------------------------------------------------------+
   9   | FPGA registers and bit definitions
  10   +----------------------------------------------------------------------------*/
  11 /*
  12  * PowerPC 440EP Board FPGA is reached with physical address 0x80001FF0.
  13  * TLB initialization makes it correspond to logical address 0x80001FF0.
  14  * => Done init_chip.s in bootlib
  15  */
  16 #define FPGA_BASE_ADDR  0x80002000
  17
  18 /*----------------------------------------------------------------------------+
  19   | Board Jumpers Setting Register
  20   |   Board Settings provided by jumpers
  21   +----------------------------------------------------------------------------*/
  22 #define FPGA_SETTING_REG            (FPGA_BASE_ADDR+0x3)
  23 /* Boot from small flash */
  24 #define     FPGA_SET_REG_BOOT_SMALL_FLASH           0x80
  25 /* Operational Flash versus SRAM position in Memory Map */
  26 #define     FPGA_SET_REG_OP_CODE_SRAM_SEL_MASK      0x40
  27 #define      FPGA_SET_REG_OP_CODE_FLASH_ABOVE        0x40
  28 #define      FPGA_SET_REG_SRAM_ABOVE                 0x00
  29 /* Boot From NAND Flash */
  30 #define     FPGA_SET_REG_BOOT_NAND_FLASH_MASK       0x40
  31 #define     FPGA_SET_REG_BOOT_NAND_FLASH_SELECT      0x00
  32 /* On Board PCI Arbiter Select */
  33 #define     FPGA_SET_REG_PCI_EXT_ARBITER_SEL_MASK   0x10
  34 #define     FPGA_SET_REG_PCI_EXT_ARBITER_SEL        0x00
  35
  36 /*----------------------------------------------------------------------------+
  37   | Functions Selection Register 1
  38   +----------------------------------------------------------------------------*/
  39 #define FPGA_SELECTION_1_REG        (FPGA_BASE_ADDR+0x4)
  40 #define     FPGA_SEL_1_REG_PHY_MASK         0xE0
  41 #define     FPGA_SEL_1_REG_MII              0x80
  42 #define     FPGA_SEL_1_REG_RMII             0x40
  43 #define     FPGA_SEL_1_REG_SMII             0x20
  44 #define     FPGA_SEL_1_REG_USB2_DEV_SEL     0x10           /* USB2 Device Selection */
  45 #define     FPGA_SEL_1_REG_USB2_HOST_SEL    0x08           /* USB2 Host Selection */
  46 #define     FPGA_SEL_1_REG_NF_SELEC_MASK    0x07           /* NF Selection Mask */
  47 #define     FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1 0x04           /* NF0 Selected by NF_CS1 */
  48 #define     FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2 0x02           /* NF1 Selected by NF_CS2 */
  49 #define     FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3 0x01           /* NF1 Selected by NF_CS3 */
  50
  51 /*----------------------------------------------------------------------------+
  52   | Functions Selection Register 2
  53   +----------------------------------------------------------------------------*/
  54 #define FPGA_SELECTION_2_REG        (FPGA_BASE_ADDR+0x5)
  55 #define     FPGA_SEL2_REG_IIC1_SCP_SEL_MASK 0x80           /* IIC1 / SCP Selection */
  56 #define     FPGA_SEL2_REG_SEL_FRAM          0x80           /* FRAM on IIC1 bus selected - SCP Select */
  57 #define     FPGA_SEL2_REG_SEL_SCP           0x80           /* Identical to SCP Selection */
  58 #define     FPGA_SEL2_REG_SEL_IIC1          0x00           /* IIC1 Selection - Default Value */
  59 #define     FPGA_SEL2_REG_SEL_DMA_A_B       0x40           /* DMA A & B channels selected */
  60 #define     FPGA_SEL2_REG_SEL_DMA_C_D       0x20           /* DMA C & D channels selected */
  61 #define     FPGA_SEL2_REG_DMA_EOT_TC_3_SEL  0x10           /* 0 = EOT - input to 440EP */
  62                                                            /* 1 = TC - output from 440EP */
  63 #define     FPGA_SEL2_REG_DMA_EOT_TC_2_SEL  0x08           /* 0 = EOT (input to 440EP) */
  64                                                            /* 1 = TC (output from 440EP) */
  65 #define     FPGA_SEL2_REG_SEL_GPIO_1        0x04           /* EBC_GPIO & USB2_GPIO selected */
  66 #define     FPGA_SEL2_REG_SEL_GPIO_2        0x02           /* Ether._GPIO & UART_GPIO selected */
  67 #define     FPGA_SEL2_REG_SEL_GPIO_3        0x01           /* DMA_GPIO & Trace_GPIO selected */
  68
  69 /*----------------------------------------------------------------------------+
  70   | Functions Selection Register 3
  71   +----------------------------------------------------------------------------*/
  72 #define FPGA_SELECTION_3_REG        (FPGA_BASE_ADDR+0x6)
  73 #define     FPGA_SEL3_REG_EXP_SLOT_EN               0x80    /* Expansion Slot enabled */
  74 #define     FPGA_SEL3_REG_SEL_UART_CONFIG_MASK      0x70
  75 #define     FPGA_SEL3_REG_SEL_UART_CONFIG1          0x40    /* one 8_pin UART */
  76 #define     FPGA_SEL3_REG_SEL_UART_CONFIG2          0x20    /* two 4_pin UARTs */
  77 #define     FPGA_SEL3_REG_SEL_UART_CONFIG3          0x10    /* one 4_pin & two 2_pin UARTs */
  78 #define     FPGA_SEL3_REG_SEL_UART_CONFIG4          0x08    /* four 2_pin UARTs */
  79 #define     FPGA_SEL3_REG_DTR_DSR_MODE_4_PIN_UART   0x00    /* DTR/DSR mode for 4_pin_UART */
  80 #define     FPGA_SEL3_REG_RTS_CTS_MODE_4_PIN_UART   0x04    /* RTS/CTS mode for 4_pin_UART */
  81
  82 /*----------------------------------------------------------------------------+
  83   | Soft Reset Register
  84   +----------------------------------------------------------------------------*/
  85 #define FPGA_RESET_REG              (FPGA_BASE_ADDR+0x7)
  86 #define     FPGA_RESET_REG_RESET_USB20_DEV          0x80    /* Hard Reset of the GT3200 */
  87 #define     FPGA_RESET_REG_RESET_DISPLAY            0x40    /* Hard Reset on Display Device */
  88 #define     FPGA_RESET_REG_STATUS_LED_0             0x08    /* 1 = Led On */
  89 #define     FPGA_RESET_REG_STATUS_LED_1             0x04    /* 1 = Led On */
  90 #define     FPGA_RESET_REG_STATUS_LED_2             0x02    /* 1 = Led On */
  91 #define     FPGA_RESET_REG_STATUS_LED_3             0x01    /* 1 = Led On */
  92
  93
  94 /*----------------------------------------------------------------------------+
  95 | SDR Configuration registers
  96 +----------------------------------------------------------------------------*/
  97 #define   SDR0_SDSTP1_EBC_ROM_BS_MASK  0x00006000  /* EBC Boot Size Mask */
  98 #define   SDR0_SDSTP1_EBC_ROM_BS_32BIT 0x00004000    /* EBC 32 bits */
  99 #define   SDR0_SDSTP1_EBC_ROM_BS_16BIT 0x00002000    /* EBC 16 Bits */
 100 #define   SDR0_SDSTP1_EBC_ROM_BS_8BIT  0x00000000    /* EBC  8 Bits */
 101
 102 #define   SDR0_SDSTP1_BOOT_SEL_MASK    0x00001800   /* Boot device Selection Mask */
 103 #define   SDR0_SDSTP1_BOOT_SEL_EBC     0x00000000     /* EBC */
 104 #define   SDR0_SDSTP1_BOOT_SEL_PCI     0x00000800     /* PCI */
 105 #define   SDR0_SDSTP1_BOOT_SEL_NDFC    0x00001000     /* NDFC */
 106
 107 /* Serial Device Enabled - Addr = 0xA8 */
 108 #define SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS5
 109 /* Serial Device Enabled - Addr = 0xA4 */
 110 #define SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS7
 111
 112 /* Pin Straps Reg */
 113 #define SDR0_PSTRP0                  0x0040
 114 #define SDR0_PSTRP0_BOOTSTRAP_MASK      0xE0000000  /* Strap Bits */
 115
 116 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS0 0x00000000  /* Default strap settings 0 */
 117 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS1 0x20000000  /* Default strap settings 1 */
 118 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS2 0x40000000  /* Default strap settings 2 */
 119 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS3 0x60000000  /* Default strap settings 3 */
 120 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS4 0x80000000  /* Default strap settings 4 */
 121 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS5 0xA0000000  /* Default strap settings 5 */
 122 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS6 0xC0000000  /* Default strap settings 6 */
 123 #define SDR0_PSTRP0_BOOTSTRAP_SETTINGS7 0xE0000000  /* Default strap settings 7 */
 124
 125 /*----------------------------------------------------------------------------+
 126 | EBC Configuration Register - EBC0_CFG
 127 +----------------------------------------------------------------------------*/
 128 /* External Bus Three-State Control */
 129 #define EBC0_CFG_EBTC_DRIVEN        0x80000000
 130 /* Device-Paced Time-out Disable */
 131 #define EBC0_CFG_PTD_ENABLED        0x00000000
 132 /* Ready Timeout Count */
 133 #define EBC0_CFG_RTC_MASK           0x38000000
 134 #define EBC0_CFG_RTC_16PERCLK       0x00000000
 135 #define EBC0_CFG_RTC_32PERCLK       0x08000000
 136 #define EBC0_CFG_RTC_64PERCLK       0x10000000
 137 #define EBC0_CFG_RTC_128PERCLK      0x18000000
 138 #define EBC0_CFG_RTC_256PERCLK      0x20000000
 139 #define EBC0_CFG_RTC_512PERCLK      0x28000000
 140 #define EBC0_CFG_RTC_1024PERCLK     0x30000000
 141 #define EBC0_CFG_RTC_2048PERCLK     0x38000000
 142 /* External Master Priority Low */
 143 #define EBC0_CFG_EMPL_LOW           0x00000000
 144 #define EBC0_CFG_EMPL_MEDIUM_LOW    0x02000000
 145 #define EBC0_CFG_EMPL_MEDIUM_HIGH   0x04000000
 146 #define EBC0_CFG_EMPL_HIGH          0x06000000
 147 /* External Master Priority High */
 148 #define EBC0_CFG_EMPH_LOW           0x00000000
 149 #define EBC0_CFG_EMPH_MEDIUM_LOW    0x00800000
 150 #define EBC0_CFG_EMPH_MEDIUM_HIGH   0x01000000
 151 #define EBC0_CFG_EMPH_HIGH          0x01800000
 152 /* Chip Select Three-State Control */
 153 #define EBC0_CFG_CSTC_DRIVEN        0x00400000
 154 /* Burst Prefetch */
 155 #define EBC0_CFG_BPF_ONEDW          0x00000000
 156 #define EBC0_CFG_BPF_TWODW          0x00100000
 157 #define EBC0_CFG_BPF_FOURDW         0x00200000
 158 /* External Master Size */
 159 #define EBC0_CFG_EMS_8BIT           0x00000000
 160 /* Power Management Enable */
 161 #define EBC0_CFG_PME_DISABLED       0x00000000
 162 #define EBC0_CFG_PME_ENABLED        0x00020000
 163 /* Power Management Timer */
 164 #define EBC0_CFG_PMT_ENCODE(n)          ((((unsigned long)(n))&0x1F)<<12)
 165
 166 /*----------------------------------------------------------------------------+
 167 | Peripheral Bank Configuration Register - EBC0_BnCR
 168 +----------------------------------------------------------------------------*/
 169 /* BAS - Base Address Select */
 170 #define EBC0_BNCR_BAS_ENCODE(n)         ((((unsigned long)(n))&0xFFF00000)<<0)
 171 /* BS - Bank Size */
 172 #define EBC0_BNCR_BS_MASK       0x000E0000
 173 #define EBC0_BNCR_BS_1MB        0x00000000
 174 #define EBC0_BNCR_BS_2MB        0x00020000
 175 #define EBC0_BNCR_BS_4MB        0x00040000
 176 #define EBC0_BNCR_BS_8MB        0x00060000
 177 #define EBC0_BNCR_BS_16MB       0x00080000
 178 #define EBC0_BNCR_BS_32MB       0x000A0000
 179 #define EBC0_BNCR_BS_64MB       0x000C0000
 180 #define EBC0_BNCR_BS_128MB      0x000E0000
 181 /* BU - Bank Usage */
 182 #define EBC0_BNCR_BU_MASK       0x00018000
 183 #define EBC0_BNCR_BU_RO             0x00008000
 184 #define EBC0_BNCR_BU_WO             0x00010000
 185 #define EBC0_BNCR_BU_RW         0x00018000
 186 /* BW - Bus Width */
 187 #define EBC0_BNCR_BW_MASK       0x00006000
 188 #define EBC0_BNCR_BW_8BIT       0x00000000
 189 #define EBC0_BNCR_BW_16BIT      0x00002000
 190 #define EBC0_BNCR_BW_32BIT      0x00004000
 191
 192 /*----------------------------------------------------------------------------+
 193 | Peripheral Bank Access Parameters - EBC0_BnAP
 194 +----------------------------------------------------------------------------*/
 195 /* Burst Mode Enable */
 196 #define EBC0_BNAP_BME_ENABLED       0x80000000
 197 #define EBC0_BNAP_BME_DISABLED      0x00000000
 198 /* Transfert Wait */
 199 #define EBC0_BNAP_TWT_ENCODE(n)     ((((unsigned long)(n))&0xFF)<<23)   /* Bits 1:8 */
 200 /* Chip Select On Timing */
 201 #define EBC0_BNAP_CSN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<18)    /* Bits 12:13 */
 202 /* Output Enable On Timing */
 203 #define EBC0_BNAP_OEN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<16)    /* Bits 14:15 */
 204 /* Write Back Enable On Timing */
 205 #define EBC0_BNAP_WBN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<14)    /* Bits 16:17 */
 206 /* Write Back Enable Off Timing */
 207 #define EBC0_BNAP_WBF_ENCODE(n)     ((((unsigned long)(n))&0x3)<<12)    /* Bits 18:19 */
 208 /* Transfert Hold */
 209 #define EBC0_BNAP_TH_ENCODE(n)      ((((unsigned long)(n))&0x7)<<9)     /* Bits 20:22 */
 210 /* PerReady Enable */
 211 #define EBC0_BNAP_RE_ENABLED        0x00000100
 212 #define EBC0_BNAP_RE_DISABLED       0x00000000
 213 /* Sample On Ready */
 214 #define EBC0_BNAP_SOR_DELAYED       0x00000000
 215 #define EBC0_BNAP_SOR_NOT_DELAYED   0x00000080
 216 /* Byte Enable Mode */
 217 #define EBC0_BNAP_BEM_WRITEONLY     0x00000000
 218 #define EBC0_BNAP_BEM_RW            0x00000040
 219 /* Parity Enable */
 220 #define EBC0_BNAP_PEN_DISABLED      0x00000000
 221 #define EBC0_BNAP_PEN_ENABLED       0x00000020
 222
 223 /*----------------------------------------------------------------------------+
 224 | Define Boot devices
 225 +----------------------------------------------------------------------------*/
 226 /* */
 227 #define BOOT_FROM_SMALL_FLASH           0x00
 228 #define BOOT_FROM_LARGE_FLASH_OR_SRAM   0x01
 229 #define BOOT_FROM_NAND_FLASH0           0x02
 230 #define BOOT_FROM_PCI                   0x03
 231 #define BOOT_DEVICE_UNKNOWN             0x04
 232
 233
 234 #define  PVR_POWERPC_440EP_PASS1    0x42221850
 235 #define  PVR_POWERPC_440EP_PASS2    0x422218D3
 236
 237 #define GPIO0           0
 238 #define GPIO1           1
 239
 240 /*#define MAX_SELECTION_NB      CORE_NB */
 241 #define MAX_CORE_SELECT_NB      22
 242
 243 /*----------------------------------------------------------------------------+
 244   | PPC440EP GPIOs addresses.
 245   +----------------------------------------------------------------------------*/
 246 #define GPIO0_REAL       0xEF600B00
 247
 248 #define GPIO1_REAL       0xEF600C00
 249
 250 /* Offsets */
 251 #define GPIOx_OR    0x00        /* GPIO Output Register */
 252 #define GPIOx_TCR   0x04        /* GPIO Three-State Control Register */
 253 #define GPIOx_OSL   0x08        /* GPIO Output Select Register (Bits 0-31) */
 254 #define GPIOx_OSH   0x0C        /* GPIO Ouput Select Register (Bits 32-63) */
 255 #define GPIOx_TSL   0x10        /* GPIO Three-State Select Register (Bits 0-31) */
 256 #define GPIOx_TSH   0x14        /* GPIO Three-State Select Register  (Bits 32-63) */
 257 #define GPIOx_ODR   0x18        /* GPIO Open drain Register */
 258 #define GPIOx_IR    0x1C        /* GPIO Input Register */
 259 #define GPIOx_RR1   0x20        /* GPIO Receive Register 1 */
 260 #define GPIOx_RR2   0x24        /* GPIO Receive Register 2 */
 261 #define GPIOx_RR3   0x28        /* GPIO Receive Register 3 */
 262 #define GPIOx_IS1L  0x30        /* GPIO Input Select Register 1 (Bits 0-31) */
 263 #define GPIOx_IS1H  0x34        /* GPIO Input Select Register 1 (Bits 32-63) */
 264 #define GPIOx_IS2L  0x38        /* GPIO Input Select Register 2 (Bits 0-31) */
 265 #define GPIOx_IS2H  0x3C        /* GPIO Input Select Register 2 (Bits 32-63) */
 266 #define GPIOx_IS3L  0x40        /* GPIO Input Select Register 3 (Bits 0-31) */
 267 #define GPIOx_IS3H  0x44        /* GPIO Input Select Register 3 (Bits 32-63) */
 268
 269 /* GPIO0 */
 270 #define GPIO0_IS1L      (GPIO0_BASE+GPIOx_IS1L)
 271 #define GPIO0_IS1H      (GPIO0_BASE+GPIOx_IS1H)
 272 #define GPIO0_IS2L      (GPIO0_BASE+GPIOx_IS2L)
 273 #define GPIO0_IS2H      (GPIO0_BASE+GPIOx_IS2H)
 274 #define GPIO0_IS3L      (GPIO0_BASE+GPIOx_IS3L)
 275 #define GPIO0_IS3H      (GPIO0_BASE+GPIOx_IS3L)
 276
 277 /* GPIO1 */
 278 #define GPIO1_IS1L      (GPIO1_BASE+GPIOx_IS1L)
 279 #define GPIO1_IS1H      (GPIO1_BASE+GPIOx_IS1H)
 280 #define GPIO1_IS2L      (GPIO1_BASE+GPIOx_IS2L)
 281 #define GPIO1_IS2H      (GPIO1_BASE+GPIOx_IS2H)
 282 #define GPIO1_IS3L      (GPIO1_BASE+GPIOx_IS3L)
 283 #define GPIO1_IS3H      (GPIO1_BASE+GPIOx_IS3L)
 284
 285 #define GPIO_OS(x)      (x+GPIOx_OSL)    /* GPIO Output Register High or Low */
 286 #define GPIO_TS(x)      (x+GPIOx_TSL)    /* GPIO Three-state Control Reg High or Low */
 287 #define GPIO_IS1(x)     (x+GPIOx_IS1L)   /* GPIO Input register1 High or Low */
 288 #define GPIO_IS2(x)     (x+GPIOx_IS2L)   /* GPIO Input register2 High or Low */
 289 #define GPIO_IS3(x)     (x+GPIOx_IS3L)   /* GPIO Input register3 High or Low */
 290
 291
 292 /*----------------------------------------------------------------------------+
 293   |                     XX     XX
 294   |
 295   | XXXXXX   XXX XX    XXX    XXX
 296   |    XX    XX X XX    XX     XX
 297   |   XX     XX X XX    XX     XX
 298   |  XX      XX   XX    XX     XX
 299   | XXXXXX   XXX  XXX  XXXX   XXXX
 300   +----------------------------------------------------------------------------*/
 301 /*----------------------------------------------------------------------------+
 302   | Defines
 303   +----------------------------------------------------------------------------*/
 304 typedef enum zmii_config { ZMII_CONFIGURATION_UNKNOWN,
 305                            ZMII_CONFIGURATION_IS_MII,
 306                            ZMII_CONFIGURATION_IS_RMII,
 307                            ZMII_CONFIGURATION_IS_SMII
 308 } zmii_config_t;
 309
 310 /*----------------------------------------------------------------------------+
 311   | Declare Configuration values
 312   +----------------------------------------------------------------------------*/
 313 typedef enum uart_config_nb { L1, L2, L3, L4 } uart_config_nb_t;
 314 typedef enum core_selection { CORE_NOT_SELECTED, CORE_SELECTED} core_selection_t;
 315 typedef enum config_list {  IIC_CORE,
 316                             SCP_CORE,
 317                             DMA_CHANNEL_AB,
 318                             UIC_4_9,
 319                             USB2_HOST,
 320                             DMA_CHANNEL_CD,
 321                             USB2_DEVICE,
 322                             PACKET_REJ_FUNC_AVAIL,
 323                             USB1_DEVICE,
 324                             EBC_MASTER,
 325                             NAND_FLASH,
 326                             UART_CORE0,
 327                             UART_CORE1,
 328                             UART_CORE2,
 329                             UART_CORE3,
 330                             MII_SEL,
 331                             RMII_SEL,
 332                             SMII_SEL,
 333                             PACKET_REJ_FUNC_EN,
 334                             UIC_0_3,
 335                             USB1_HOST,
 336                             PCI_PATCH,
 337                             CORE_NB
 338 } core_list_t;
 339
 340 typedef enum block3_value { B3_V1,  B3_V2,  B3_V3,  B3_V4,  B3_V5,
 341                             B3_V6,  B3_V7,  B3_V8,  B3_V9,  B3_V10,
 342                             B3_V11, B3_V12, B3_V13, B3_V14, B3_V15,
 343                             B3_V16, B3_VALUE_UNKNOWN
 344 } block3_value_t;
 345
 346 typedef enum config_validity { CONFIG_IS_VALID,
 347                                CONFIG_IS_INVALID
 348 } config_validity_t;