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Diffstat (limited to 'board/mousse/mousse.h')
| -rw-r--r-- | board/mousse/mousse.h | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/board/mousse/mousse.h b/board/mousse/mousse.h new file mode 100644 index 000000000..5468314eb --- /dev/null +++ b/board/mousse/mousse.h @@ -0,0 +1,259 @@ +/* + * MOUSSE/MPC8240 Board definitions. + * For more info, see http://www.vooha.com/ + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001 + * James Dougherty (jfd@cs.stanford.edu) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __MOUSSE_H +#define __MOUSSE_H + +/* System addresses */ + +#define PCI_SPECIAL_BASE 0xfe000000 +#define PCI_SPECIAL_SIZE 0x01000000 + +/* PORTX Device Addresses for Mousse */ + +#define PORTX_DEV_BASE 0xff000000 +#define PORTX_DEV_SIZE 0x01000000 + +#define ENET_DEV_BASE 0x80000000 + +#define PLD_REG_BASE (PORTX_DEV_BASE | 0xe09000) +#define PLD_REG(off) (*(volatile unsigned char *) \ + (PLD_REG_BASE + (off))) + +#define PLD_REVID_B1 0x7f +#define PLD_REVID_B2 0x01 + +/* MPLD */ +#define SYS_HARD_RESET() { for (;;) PLD_REG(0) = 0; } /* clr 0x80 bit */ +#define SYS_REVID_GET() ((int) PLD_REG(0) & 0x7f) +#define SYS_LED_OFF() (PLD_REG(1) |= 0x80) +#define SYS_LED_ON() (PLD_REG(1) &= ~0x80) +#define SYS_WATCHDOG_IRQ3() (PLD_REG(2) |= 0x80) +#define SYS_WATCHDOG_RESET() (PLD_REG(2) &= ~0x80) +#define SYS_TOD_PROTECT() (PLD_REG(3) |= 0x80) +#define SYS_TOD_UNPROTECT() (PLD_REG(3) &= ~0x80) + +/* SGS M48T59Y */ +#define TOD_BASE (PORTX_DEV_BASE | 0xe0a000) +#define TOD_REG_BASE (TOD_BASE | 0x1ff0) +#define TOD_NVRAM_BASE TOD_BASE +#define TOD_NVRAM_SIZE 0x1ff0 +#define TOD_NVRAM_LIMIT (TOD_NVRAM_BASE + TOD_NVRAM_SIZE) + +/* NS16552 SIO */ +#define SERIAL_BASE(_x) (PORTX_DEV_BASE | 0xe08000 | ((_x) ? 0 : 0x80)) +#define N_SIO_CHANNELS 2 +#define N_COM_PORTS N_SIO_CHANNELS + +/* + * On-board Dec21143 PCI Ethernet + * Note: The PCI MBAR chosen here was used from MPC8240UM which states + * that PCI memory is at: 0x80000 - 0xFDFFFFFF, if AMBOR[CPU_FD_ALIAS] + * is set, then PCI memory maps 1-1 with this address range in the + * correct byte order. + */ +#define PCI_ENET_IOADDR 0x80000000 +#define PCI_ENET_MEMADDR 0x80000000 + +/* + * Flash Memory Layout + * + * 2 MB Flash Bank 0 runs in 8-bit mode. In Flash Bank 0, the 32 kB + * sector SA3 is obscured by the 32 kB serial/TOD access space, and + * the 64 kB sectors SA19-SA26 are obscured by the 512 kB PLCC + * containing the fixed boot ROM. (If the 512 kB PLCC is + * deconfigured by jumper, this window to Flash Bank 0 becomes + * visible, but it still contains the fixed boot code and should be + * considered read-only). Flash Bank 0 sectors SA0 (16 kB), SA1 (8 + * kB), and SA2 (8 kB) are currently unused. + * + * 2 MB Flash Bank 1 runs in 16-bit mode. Flash Bank 1 is fully + * usable, but it's a 16-bit wide device on a 64-bit bus. Therefore + * 16-bit words only exist at addresses that are multiples of 8. All + * PROM data and control addresses must be multiplied by 8. + * + * See flashMap.c for description of flash filesystem layout. + */ + +/* + * FLASH memory address space: 8-bit wide FLASH memory spaces. + */ +#define FLASH0_SEG0_START 0xffe00000 /* Baby 32Kb segment */ +#define FLASH0_SEG0_END 0xffe07fff /* 16 kB + 8 kB + 8 kB */ +#define FLASH0_SEG0_SIZE 0x00008000 /* (sectors SA0-SA2) */ + +#define FLASH0_SEG1_START 0xffe10000 /* 1MB - 64Kb FLASH0 seg */ +#define FLASH0_SEG1_END 0xffefffff /* 960 kB */ +#define FLASH0_SEG1_SIZE 0x000f0000 + +#define FLASH0_SEG2_START 0xfff00000 /* Boot Loader stored here */ +#define FLASH0_SEG2_END 0xfff7ffff /* 512 kB FLASH0/PLCC seg */ +#define FLASH0_SEG2_SIZE 0x00080000 + +#define FLASH0_SEG3_START 0xfff80000 /* 512 kB FLASH0 seg */ +#define FLASH0_SEG3_END 0xffffffff +#define FLASH0_SEG3_SIZE 0x00080000 + +/* Where Kahlua starts */ +#define FLASH_RESET_VECT 0xfff00100 + +/* + * CHRP / PREP (MAP A/B) definitions. + */ + +#define PREP_REG_ADDR 0x80000cf8 /* MPC107 Config, Map A */ +#define PREP_REG_DATA 0x80000cfc /* MPC107 Config, Map A */ +/* MPC107 (MPC8240 internal EUMBBAR mapped) */ +#define CHRP_REG_ADDR 0xfec00000 /* MPC106 Config, Map B */ +#define CHRP_REG_DATA 0xfee00000 /* MPC106 Config, Map B */ + +/* + * Mousse PCI IDSEL Assignments (Device Number) + */ +#define MOUSSE_IDSEL_ENET 13 /* On-board 21143 Ethernet */ +#define MOUSSE_IDSEL_LPCI 14 /* On-board PCI slot */ +#define MOUSSE_IDSEL_82371 15 /* That other thing */ +#define MOUSSE_IDSEL_CPCI2 31 /* CPCI slot 2 */ +#define MOUSSE_IDSEL_CPCI3 30 /* CPCI slot 3 */ +#define MOUSSE_IDSEL_CPCI4 29 /* CPCI slot 4 */ +#define MOUSSE_IDSEL_CPCI5 28 /* CPCI slot 5 */ +#define MOUSSE_IDSEL_CPCI6 27 /* CPCI slot 6 */ + +/* + * Mousse Interrupt Mapping: + * + * IRQ1 Enet (intA|intB|intC|intD) + * IRQ2 CPCI intA (See below) + * IRQ3 Local PCI slot intA|intB|intC|intD + * IRQ4 COM1 Serial port (Actually higher addressed port on duart) + * + * PCI Interrupt Mapping in CPCI chassis: + * + * | CPCI Slot + * | 1 (CPU) 2 3 4 5 6 + * -----------+--------+-------+-------+-------+-------+-------+ + * intA | X X X + * intB | X X X + * intC | X X X + * intD | X X X + */ + + +#define EPIC_VECTOR_EXT0 0 +#define EPIC_VECTOR_EXT1 1 +#define EPIC_VECTOR_EXT2 2 +#define EPIC_VECTOR_EXT3 3 +#define EPIC_VECTOR_EXT4 4 +#define EPIC_VECTOR_TM0 16 +#define EPIC_VECTOR_TM1 17 +#define EPIC_VECTOR_TM2 18 +#define EPIC_VECTOR_TM3 19 +#define EPIC_VECTOR_I2C 20 +#define EPIC_VECTOR_DMA0 21 +#define EPIC_VECTOR_DMA1 22 +#define EPIC_VECTOR_I2O 23 + + +#define INT_VEC_IRQ0 0 +#define INT_NUM_IRQ0 INT_VEC_IRQ0 +#define MOUSSE_IRQ_ENET EPIC_VECTOR_EXT1 /* Hardwired */ +#define MOUSSE_IRQ_CPCI EPIC_VECTOR_EXT2 /* Hardwired */ +#define MOUSSE_IRQ_LPCI EPIC_VECTOR_EXT3 /* Hardwired */ +#define MOUSSE_IRQ_DUART EPIC_VECTOR_EXT4 /* Hardwired */ + +/* Onboard DEC 21143 Ethernet */ +#define PCI_ENET_MEMADDR 0x80000000 +#define PCI_ENET_IOADDR 0x80000000 + +/* Some other PCI device */ +#define PCI_SLOT_MEMADDR 0x81000000 +#define PCI_SLOT_IOADDR 0x81000000 + +/* Promise ATA66 PCI Device (ATA controller) */ +#define PROMISE_MBAR0 0xa0000000 +#define PROMISE_MBAR1 (PROMISE_MBAR0 + 0x1000) +#define PROMISE_MBAR2 (PROMISE_MBAR0 + 0x2000) +#define PROMISE_MBAR3 (PROMISE_MBAR0 + 0x3000) +#define PROMISE_MBAR4 (PROMISE_MBAR0 + 0x4000) +#define PROMISE_MBAR5 (PROMISE_MBAR0 + 0x5000) + +/* ATA/66 Controller offsets */ +#define CFG_ATA_BASE_ADDR PROMISE_MBAR0 +#define CFG_IDE_MAXBUS 2 /* ide0/ide1 */ +#define CFG_IDE_MAXDEVICE 2 /* 2 drives per controller */ +#define CFG_ATA_IDE0_OFFSET 0 +#define CFG_ATA_IDE1_OFFSET 0x3000 +/* + * Definitions for accessing IDE controller registers + */ +#define CFG_ATA_DATA_OFFSET 0 +#define CFG_ATA_REG_OFFSET 0 +#define CFG_ATA_ALT_OFFSET (0x1000) + +/* + * The constants ROM_TEXT_ADRS, ROM_SIZE, RAM_HIGH_ADRS, and RAM_LOW_ADRS + * are defined in config.h and Makefile. + * All definitions for these constants must be identical. + */ +#define ROM_BASE_ADRS 0xfff00000 /* base address of ROM */ +#define ROM_TEXT_ADRS (ROM_BASE_ADRS+0x0100) /* with PC & SP */ +#define ROM_WARM_ADRS (ROM_TEXT_ADRS+0x0004) /* warm reboot entry */ +#define ROM_SIZE 0x00080000 /* 512KB ROM space */ +#define RAM_LOW_ADRS 0x00010000 /* RAM address for vxWorks */ +#define RAM_HIGH_ADRS 0x00c00000 /* RAM address for bootrom */ + +/* + * NVRAM configuration + * NVRAM is implemented via the SGS Thomson M48T59Y + * 64Kbit (8Kbx8) Timekeeper SRAM. + * This 8KB NVRAM also has a TOD. See m48t59y.{h,c} for more information. + */ + +#define NV_RAM_ADRS TOD_NVRAM_BASE +#define NV_RAM_INTRVL 1 +#define NV_RAM_WR_ENBL SYS_TOD_UNPROTECT() +#define NV_RAM_WR_DSBL SYS_TOD_PROTECT() + +#define NV_OFF_BOOT0 0x0000 /* Boot string 0 (256b) */ +#define NV_OFF_BOOT1 0x0100 /* Boot string 1 (256b) */ +#define NV_OFF_BOOT2 0x0200 /* Boot string 2 (256b)*/ +#define NV_OFF_MACADDR 0x0400 /* 21143 MAC address (6b) */ +#define NV_OFF_ACTIVEBOOT 0x0406 /* Active boot string, 0 to 2 (1b) */ +#define NV_OFF_UNUSED1 0x0407 /* Unused (1b) */ +#define NV_OFF_BINDFIX 0x0408 /* See sysLib.c:sysBindFix() (1b) */ +#define NV_OFF_UNUSED2 0x0409 /* Unused (7b) */ +#define NV_OFF_TIMEZONE 0x0410 /* TIMEZONE env var (64b) */ +#define NV_OFF_VXWORKS_END 0x07FF /* 2047 VxWorks Total */ +#define NV_OFF_U_BOOT 0x0800 /* 2048 U-Boot boot-loader */ +#define NV_OFF_U_BOOT_ADDR (TOD_BASE + NV_OFF_U_BOOT) /* sysaddr*/ +#define NV_U_BOOT_ENV_SIZE 2048 /* 2K - U-Boot Total */ +#define NV_OFF__next_free (NV_U_BOOT_ENVSIZE +1) +#define NV_RAM_SIZE 8176 /* NVRAM End */ + +#endif /* __MOUSSE_H */ |