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https://github.com/AsahiLinux/u-boot
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243 lines
8.1 KiB
C
243 lines
8.1 KiB
C
/*
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* MOUSSE/MPC8240 Board definitions.
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* For more info, see http://www.vooha.com/
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2001
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* James Dougherty (jfd@cs.stanford.edu)
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __MOUSSE_H
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#define __MOUSSE_H
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/* System addresses */
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#define PCI_SPECIAL_BASE 0xfe000000
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#define PCI_SPECIAL_SIZE 0x01000000
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/* PORTX Device Addresses for Mousse */
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#define PORTX_DEV_BASE 0xff000000
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#define PORTX_DEV_SIZE 0x01000000
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#define ENET_DEV_BASE 0x80000000
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#define PLD_REG_BASE (PORTX_DEV_BASE | 0xe09000)
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#define PLD_REG(off) (*(volatile unsigned char *) \
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(PLD_REG_BASE + (off)))
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#define PLD_REVID_B1 0x7f
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#define PLD_REVID_B2 0x01
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/* MPLD */
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#define SYS_HARD_RESET() { for (;;) PLD_REG(0) = 0; } /* clr 0x80 bit */
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#define SYS_REVID_GET() ((int) PLD_REG(0) & 0x7f)
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#define SYS_LED_OFF() (PLD_REG(1) |= 0x80)
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#define SYS_LED_ON() (PLD_REG(1) &= ~0x80)
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#define SYS_WATCHDOG_IRQ3() (PLD_REG(2) |= 0x80)
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#define SYS_WATCHDOG_RESET() (PLD_REG(2) &= ~0x80)
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#define SYS_TOD_PROTECT() (PLD_REG(3) |= 0x80)
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#define SYS_TOD_UNPROTECT() (PLD_REG(3) &= ~0x80)
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/* SGS M48T59Y */
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#define TOD_BASE (PORTX_DEV_BASE | 0xe0a000)
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#define TOD_REG_BASE (TOD_BASE | 0x1ff0)
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#define TOD_NVRAM_BASE TOD_BASE
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#define TOD_NVRAM_SIZE 0x1ff0
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#define TOD_NVRAM_LIMIT (TOD_NVRAM_BASE + TOD_NVRAM_SIZE)
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/* NS16552 SIO */
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#define SERIAL_BASE(_x) (PORTX_DEV_BASE | 0xe08000 | ((_x) ? 0 : 0x80))
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#define N_SIO_CHANNELS 2
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#define N_COM_PORTS N_SIO_CHANNELS
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/*
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* On-board Dec21143 PCI Ethernet
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* Note: The PCI MBAR chosen here was used from MPC8240UM which states
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* that PCI memory is at: 0x80000 - 0xFDFFFFFF, if AMBOR[CPU_FD_ALIAS]
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* is set, then PCI memory maps 1-1 with this address range in the
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* correct byte order.
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*/
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#define PCI_ENET_IOADDR 0x80000000
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#define PCI_ENET_MEMADDR 0x80000000
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/*
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* Flash Memory Layout
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*
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* 2 MB Flash Bank 0 runs in 8-bit mode. In Flash Bank 0, the 32 kB
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* sector SA3 is obscured by the 32 kB serial/TOD access space, and
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* the 64 kB sectors SA19-SA26 are obscured by the 512 kB PLCC
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* containing the fixed boot ROM. (If the 512 kB PLCC is
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* deconfigured by jumper, this window to Flash Bank 0 becomes
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* visible, but it still contains the fixed boot code and should be
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* considered read-only). Flash Bank 0 sectors SA0 (16 kB), SA1 (8
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* kB), and SA2 (8 kB) are currently unused.
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*
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* 2 MB Flash Bank 1 runs in 16-bit mode. Flash Bank 1 is fully
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* usable, but it's a 16-bit wide device on a 64-bit bus. Therefore
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* 16-bit words only exist at addresses that are multiples of 8. All
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* PROM data and control addresses must be multiplied by 8.
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*
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* See flashMap.c for description of flash filesystem layout.
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*/
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/*
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* FLASH memory address space: 8-bit wide FLASH memory spaces.
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*/
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#define FLASH0_SEG0_START 0xffe00000 /* Baby 32Kb segment */
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#define FLASH0_SEG0_END 0xffe07fff /* 16 kB + 8 kB + 8 kB */
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#define FLASH0_SEG0_SIZE 0x00008000 /* (sectors SA0-SA2) */
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#define FLASH0_SEG1_START 0xffe10000 /* 1MB - 64Kb FLASH0 seg */
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#define FLASH0_SEG1_END 0xffefffff /* 960 kB */
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#define FLASH0_SEG1_SIZE 0x000f0000
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#define FLASH0_SEG2_START 0xfff00000 /* Boot Loader stored here */
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#define FLASH0_SEG2_END 0xfff7ffff /* 512 kB FLASH0/PLCC seg */
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#define FLASH0_SEG2_SIZE 0x00080000
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#define FLASH0_SEG3_START 0xfff80000 /* 512 kB FLASH0 seg */
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#define FLASH0_SEG3_END 0xffffffff
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#define FLASH0_SEG3_SIZE 0x00080000
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/* Where Kahlua starts */
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#define FLASH_RESET_VECT 0xfff00100
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/*
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* CHRP / PREP (MAP A/B) definitions.
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*/
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#define PREP_REG_ADDR 0x80000cf8 /* MPC107 Config, Map A */
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#define PREP_REG_DATA 0x80000cfc /* MPC107 Config, Map A */
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/* MPC107 (MPC8240 internal EUMBBAR mapped) */
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#define CHRP_REG_ADDR 0xfec00000 /* MPC106 Config, Map B */
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#define CHRP_REG_DATA 0xfee00000 /* MPC106 Config, Map B */
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/*
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* Mousse PCI IDSEL Assignments (Device Number)
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*/
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#define MOUSSE_IDSEL_ENET 13 /* On-board 21143 Ethernet */
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#define MOUSSE_IDSEL_LPCI 14 /* On-board PCI slot */
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#define MOUSSE_IDSEL_82371 15 /* That other thing */
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#define MOUSSE_IDSEL_CPCI2 31 /* CPCI slot 2 */
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#define MOUSSE_IDSEL_CPCI3 30 /* CPCI slot 3 */
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#define MOUSSE_IDSEL_CPCI4 29 /* CPCI slot 4 */
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#define MOUSSE_IDSEL_CPCI5 28 /* CPCI slot 5 */
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#define MOUSSE_IDSEL_CPCI6 27 /* CPCI slot 6 */
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/*
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* Mousse Interrupt Mapping:
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*
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* IRQ1 Enet (intA|intB|intC|intD)
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* IRQ2 CPCI intA (See below)
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* IRQ3 Local PCI slot intA|intB|intC|intD
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* IRQ4 COM1 Serial port (Actually higher addressed port on duart)
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*
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* PCI Interrupt Mapping in CPCI chassis:
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*
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* | CPCI Slot
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* | 1 (CPU) 2 3 4 5 6
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* -----------+--------+-------+-------+-------+-------+-------+
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* intA | X X X
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* intB | X X X
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* intC | X X X
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* intD | X X X
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*/
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#define EPIC_VECTOR_EXT0 0
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#define EPIC_VECTOR_EXT1 1
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#define EPIC_VECTOR_EXT2 2
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#define EPIC_VECTOR_EXT3 3
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#define EPIC_VECTOR_EXT4 4
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#define EPIC_VECTOR_TM0 16
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#define EPIC_VECTOR_TM1 17
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#define EPIC_VECTOR_TM2 18
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#define EPIC_VECTOR_TM3 19
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#define EPIC_VECTOR_I2C 20
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#define EPIC_VECTOR_DMA0 21
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#define EPIC_VECTOR_DMA1 22
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#define EPIC_VECTOR_I2O 23
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#define INT_VEC_IRQ0 0
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#define INT_NUM_IRQ0 INT_VEC_IRQ0
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#define MOUSSE_IRQ_ENET EPIC_VECTOR_EXT1 /* Hardwired */
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#define MOUSSE_IRQ_CPCI EPIC_VECTOR_EXT2 /* Hardwired */
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#define MOUSSE_IRQ_LPCI EPIC_VECTOR_EXT3 /* Hardwired */
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#define MOUSSE_IRQ_DUART EPIC_VECTOR_EXT4 /* Hardwired */
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/* Onboard DEC 21143 Ethernet */
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#define PCI_ENET_MEMADDR 0x80000000
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#define PCI_ENET_IOADDR 0x80000000
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/* Some other PCI device */
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#define PCI_SLOT_MEMADDR 0x81000000
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#define PCI_SLOT_IOADDR 0x81000000
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/* Promise ATA66 PCI Device (ATA controller) */
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#define PROMISE_MBAR0 0xa0000000
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#define PROMISE_MBAR1 (PROMISE_MBAR0 + 0x1000)
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#define PROMISE_MBAR2 (PROMISE_MBAR0 + 0x2000)
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#define PROMISE_MBAR3 (PROMISE_MBAR0 + 0x3000)
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#define PROMISE_MBAR4 (PROMISE_MBAR0 + 0x4000)
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#define PROMISE_MBAR5 (PROMISE_MBAR0 + 0x5000)
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/* ATA/66 Controller offsets */
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#define CONFIG_SYS_ATA_BASE_ADDR PROMISE_MBAR0
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#define CONFIG_SYS_IDE_MAXBUS 2 /* ide0/ide1 */
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#define CONFIG_SYS_IDE_MAXDEVICE 2 /* 2 drives per controller */
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#define CONFIG_SYS_ATA_IDE0_OFFSET 0
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#define CONFIG_SYS_ATA_IDE1_OFFSET 0x3000
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/*
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* Definitions for accessing IDE controller registers
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*/
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#define CONFIG_SYS_ATA_DATA_OFFSET 0
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#define CONFIG_SYS_ATA_REG_OFFSET 0
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#define CONFIG_SYS_ATA_ALT_OFFSET (0x1000)
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/*
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* The constants ROM_TEXT_ADRS, ROM_SIZE, RAM_HIGH_ADRS, and RAM_LOW_ADRS
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* are defined in config.h and Makefile.
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* All definitions for these constants must be identical.
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*/
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#define ROM_BASE_ADRS 0xfff00000 /* base address of ROM */
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#define ROM_TEXT_ADRS (ROM_BASE_ADRS+0x0100) /* with PC & SP */
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#define ROM_WARM_ADRS (ROM_TEXT_ADRS+0x0004) /* warm reboot entry */
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#define ROM_SIZE 0x00080000 /* 512KB ROM space */
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#define RAM_LOW_ADRS 0x00010000 /* RAM address for vxWorks */
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#define RAM_HIGH_ADRS 0x00c00000 /* RAM address for bootrom */
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/*
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* NVRAM configuration
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* NVRAM is implemented via the SGS Thomson M48T59Y
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* 64Kbit (8Kbx8) Timekeeper SRAM.
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* This 8KB NVRAM also has a TOD. See m48t59y.{h,c} for more information.
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*/
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#define NV_RAM_ADRS TOD_NVRAM_BASE
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#define NV_RAM_INTRVL 1
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#define NV_RAM_WR_ENBL SYS_TOD_UNPROTECT()
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#define NV_RAM_WR_DSBL SYS_TOD_PROTECT()
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#define NV_OFF_BOOT0 0x0000 /* Boot string 0 (256b) */
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#define NV_OFF_BOOT1 0x0100 /* Boot string 1 (256b) */
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#define NV_OFF_BOOT2 0x0200 /* Boot string 2 (256b)*/
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#define NV_OFF_MACADDR 0x0400 /* 21143 MAC address (6b) */
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#define NV_OFF_ACTIVEBOOT 0x0406 /* Active boot string, 0 to 2 (1b) */
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#define NV_OFF_UNUSED1 0x0407 /* Unused (1b) */
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#define NV_OFF_BINDFIX 0x0408 /* See sysLib.c:sysBindFix() (1b) */
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#define NV_OFF_UNUSED2 0x0409 /* Unused (7b) */
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#define NV_OFF_TIMEZONE 0x0410 /* TIMEZONE env var (64b) */
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#define NV_OFF_VXWORKS_END 0x07FF /* 2047 VxWorks Total */
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#define NV_OFF_U_BOOT 0x0800 /* 2048 U-Boot boot-loader */
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#define NV_OFF_U_BOOT_ADDR (TOD_BASE + NV_OFF_U_BOOT) /* sysaddr*/
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#define NV_U_BOOT_ENV_SIZE 2048 /* 2K - U-Boot Total */
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#define NV_OFF__next_free (NV_U_BOOT_ENVSIZE +1)
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#define NV_RAM_SIZE 8176 /* NVRAM End */
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#endif /* __MOUSSE_H */
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