constants.h
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上传日期:2009-04-28
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- /* include/asm-arm/arch-lh7a40x/constants.h
- *
- * Copyright (C) 2004 Coastal Environmental Systems
- * Copyright (C) 2004 Logic Product Development
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- */
- #ifndef __ASM_ARCH_CONSTANTS_H
- #define __ASM_ARCH_CONSTANTS_H
- #include <linux/config.h>
- /* Addressing constants */
- /* SoC CPU IO addressing */
- #define IO_PHYS (0x80000000)
- #define IO_VIRT (0xf8000000)
- #define IO_SIZE (0x0000B000)
- #ifdef CONFIG_MACH_KEV7A400
- # define CPLD_PHYS (0x20000000)
- # define CPLD_VIRT (0xf2000000)
- # define CPLD_SIZE PAGE_SIZE
- #endif
- #if defined (CONFIG_MACH_LPD7A400) || defined (CONFIG_MACH_LPD7A404)
- # define IOBARRIER_PHYS 0xc0000000 /* Start of SDRAM */
- /*# define IOBARRIER_PHYS 0x00000000 */ /* Start of flash */
- # define IOBARRIER_VIRT 0xf0000000
- # define IOBARRIER_SIZE PAGE_SIZE
- # define CF_PHYS 0x60200000
- # define CF_VIRT 0xf6020000
- # define CF_SIZE (8*1024)
- /* The IO mappings for the LPD CPLD are, unfortunately, sparse. */
- # define CPLDX_PHYS(x) (0x70000000 | ((x) << 20))
- # define CPLDX_VIRT(x) (0xf7000000 | ((x) << 16))
- # define CPLD00_PHYS CPLDX_PHYS (0x00) /* Wired LAN */
- # define CPLD00_VIRT CPLDX_VIRT (0x00)
- # define CPLD00_SIZE PAGE_SIZE
- # define CPLD02_PHYS CPLDX_PHYS (0x02)
- # define CPLD02_VIRT CPLDX_VIRT (0x02)
- # define CPLD02_SIZE PAGE_SIZE
- # define CPLD06_PHYS CPLDX_PHYS (0x06)
- # define CPLD06_VIRT CPLDX_VIRT (0x06)
- # define CPLD06_SIZE PAGE_SIZE
- # define CPLD08_PHYS CPLDX_PHYS (0x08)
- # define CPLD08_VIRT CPLDX_VIRT (0x08)
- # define CPLD08_SIZE PAGE_SIZE
- # define CPLD0C_PHYS CPLDX_PHYS (0x0c)
- # define CPLD0C_VIRT CPLDX_VIRT (0x0c)
- # define CPLD0C_SIZE PAGE_SIZE
- # define CPLD0E_PHYS CPLDX_PHYS (0x0e)
- # define CPLD0E_VIRT CPLDX_VIRT (0x0e)
- # define CPLD0E_SIZE PAGE_SIZE
- # define CPLD10_PHYS CPLDX_PHYS (0x10)
- # define CPLD10_VIRT CPLDX_VIRT (0x10)
- # define CPLD10_SIZE PAGE_SIZE
- # define CPLD12_PHYS CPLDX_PHYS (0x12)
- # define CPLD12_VIRT CPLDX_VIRT (0x12)
- # define CPLD12_SIZE PAGE_SIZE
- # define CPLD14_PHYS CPLDX_PHYS (0x14)
- # define CPLD14_VIRT CPLDX_VIRT (0x14)
- # define CPLD14_SIZE PAGE_SIZE
- # define CPLD16_PHYS CPLDX_PHYS (0x16)
- # define CPLD16_VIRT CPLDX_VIRT (0x16)
- # define CPLD16_SIZE PAGE_SIZE
- # define CPLD18_PHYS CPLDX_PHYS (0x18)
- # define CPLD18_VIRT CPLDX_VIRT (0x18)
- # define CPLD18_SIZE PAGE_SIZE
- # define CPLD1A_PHYS CPLDX_PHYS (0x1a)
- # define CPLD1A_VIRT CPLDX_VIRT (0x1a)
- # define CPLD1A_SIZE PAGE_SIZE
- #endif
- /* Timing constants */
- #define XTAL_IN 14745600 /* 14.7456 MHz crystal */
- #define PLL_CLOCK (XTAL_IN * 21) /* 309 MHz PLL clock */
- #define MAX_HCLK_KHZ 100000 /* HCLK max limit ~100MHz */
- #endif /* __ASM_ARCH_CONSTANTS_H */