101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
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* arch/ppc/platforms/ebony.h
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*
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* Ebony board definitions
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*
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* Matt Porter <mporter@mvista.com>
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*
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* Copyright 2002 MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifdef __KERNEL__
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#ifndef __ASM_EBONY_H__
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#define __ASM_EBONY_H__
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#include <linux/config.h>
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#include <platforms/4xx/ibm440gp.h>
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/* F/W TLB mapping used in bootloader glue to reset EMAC */
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#define PPC44x_EMAC0_MR0 0xE0000800
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/* Where to find the MAC info */
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#define OPENBIOS_MAC_BASE 0xfffffe0c
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#define OPENBIOS_MAC_OFFSET 0x0c
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/* Default clock rates for Rev. B and Rev. C silicon */
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#define EBONY_440GP_RB_SYSCLK 33000000
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#define EBONY_440GP_RC_SYSCLK 400000000
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/* RTC/NVRAM location */
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#define EBONY_RTC_ADDR 0x0000000148000000ULL
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#define EBONY_RTC_SIZE 0x2000
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/* Flash */
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#define EBONY_FPGA_ADDR 0x0000000148300000ULL
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#define EBONY_BOOT_SMALL_FLASH(x) (x & 0x20)
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#define EBONY_ONBRD_FLASH_EN(x) (x & 0x02)
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#define EBONY_FLASH_SEL(x) (x & 0x01)
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#define EBONY_SMALL_FLASH_LOW1 0x00000001ff800000ULL
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#define EBONY_SMALL_FLASH_LOW2 0x00000001ff880000ULL
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#define EBONY_SMALL_FLASH_HIGH1 0x00000001fff00000ULL
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#define EBONY_SMALL_FLASH_HIGH2 0x00000001fff80000ULL
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#define EBONY_SMALL_FLASH_SIZE 0x80000
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#define EBONY_LARGE_FLASH_LOW 0x00000001ff800000ULL
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#define EBONY_LARGE_FLASH_HIGH 0x00000001ffc00000ULL
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#define EBONY_LARGE_FLASH_SIZE 0x400000
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#define EBONY_SMALL_FLASH_BASE 0x00000001fff80000ULL
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#define EBONY_LARGE_FLASH_BASE 0x00000001ff800000ULL
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/*
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* Serial port defines
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*/
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#if defined(__BOOTER__)
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/* OpenBIOS defined UART mappings, used by bootloader shim */
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#define UART0_IO_BASE 0xE0000200
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#define UART1_IO_BASE 0xE0000300
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#else
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/* head_44x.S created UART mapping, used before early_serial_setup.
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* We cannot use default OpenBIOS UART mappings because they
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* don't work for configurations with more than 512M RAM. --ebs
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*/
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#define UART0_IO_BASE 0xF0000200
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#define UART1_IO_BASE 0xF0000300
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#endif
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/* external Epson SG-615P */
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#define BASE_BAUD 691200
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#define STD_UART_OP(num) \
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{ 0, BASE_BAUD, 0, UART##num##_INT, \
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(ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
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iomem_base: (void*)UART##num##_IO_BASE, \
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io_type: SERIAL_IO_MEM},
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#define SERIAL_PORT_DFNS \
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STD_UART_OP(0) \
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STD_UART_OP(1)
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/* PCI support */
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#define EBONY_PCI_LOWER_IO 0x00000000
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#define EBONY_PCI_UPPER_IO 0x0000ffff
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#define EBONY_PCI_LOWER_MEM 0x80002000
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#define EBONY_PCI_UPPER_MEM 0xffffefff
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#define EBONY_PCI_CFGREGS_BASE 0x000000020ec00000
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#define EBONY_PCI_CFGA_PLB32 0x0ec00000
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#define EBONY_PCI_CFGD_PLB32 0x0ec00004
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#define EBONY_PCI_IO_BASE 0x0000000208000000ULL
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#define EBONY_PCI_IO_SIZE 0x00010000
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#define EBONY_PCI_MEM_OFFSET 0x00000000
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#endif /* __ASM_EBONY_H__ */
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#endif /* __KERNEL__ */
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