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3dca938656
While upgrading the kernel on a S3C2412 based board I've noted that it was impossible to boot the board with a 2.6.32 or upper kernel. I've tracked down the problem to the EBI virtual memory mapping that is in conflict with the IO mapping definition in arch/arm/mach-s3c24xx/s3c2412.c. Signed-off-by: Jose Miguel Goncalves <jose.goncalves@inov.pt> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* linux/arch/arm/plat-samsung/include/plat/map-s3c.h
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*
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* Copyright (c) 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C24XX - Memory map definitions
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_PLAT_MAP_S3C_H
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#define __ASM_PLAT_MAP_S3C_H __FILE__
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#define S3C24XX_VA_IRQ S3C_VA_IRQ
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#define S3C24XX_VA_MEMCTRL S3C_VA_MEM
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#define S3C24XX_VA_UART S3C_VA_UART
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#define S3C24XX_VA_TIMER S3C_VA_TIMER
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#define S3C24XX_VA_CLKPWR S3C_VA_SYS
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#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG
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#define S3C2412_VA_SSMC S3C_ADDR_CPU(0x00000000)
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#define S3C2412_VA_EBI S3C_ADDR_CPU(0x00100000)
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#define S3C2410_PA_UART (0x50000000)
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#define S3C24XX_PA_UART S3C2410_PA_UART
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#ifndef S3C_UART_OFFSET
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#define S3C_UART_OFFSET (0x400)
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#endif
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/*
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* GPIO ports
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*
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* the calculation for the VA of this must ensure that
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* it is the same distance apart from the UART in the
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* phsyical address space, as the initial mapping for the IO
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* is done as a 1:1 mapping. This puts it (currently) at
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* 0xFA800000, which is not in the way of any current mapping
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* by the base system.
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*/
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#define S3C2410_PA_GPIO (0x56000000)
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#define S3C24XX_PA_GPIO S3C2410_PA_GPIO
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#define S3C24XX_VA_GPIO ((S3C24XX_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART)
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#define S3C64XX_VA_GPIO S3C_ADDR_CPU(0x00000000)
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#define S3C64XX_VA_MODEM S3C_ADDR_CPU(0x00100000)
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#define S3C64XX_VA_USB_HSPHY S3C_ADDR_CPU(0x00200000)
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#define S3C_VA_USB_HSPHY S3C64XX_VA_USB_HSPHY
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/*
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* ISA style IO, for each machine to sort out mappings for,
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* if it implements it. We reserve two 16M regions for ISA.
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*/
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#define S3C2410_ADDR(x) S3C_ADDR(x)
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#define S3C24XX_VA_ISA_WORD S3C2410_ADDR(0x02000000)
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#define S3C24XX_VA_ISA_BYTE S3C2410_ADDR(0x03000000)
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/* deal with the registers that move under the 2412/2413 */
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#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
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#ifndef __ASSEMBLY__
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extern void __iomem *s3c24xx_va_gpio2;
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#endif
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#ifdef CONFIG_CPU_S3C2412_ONLY
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#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10)
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#else
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#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2
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#endif
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#else
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#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO
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#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO
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#endif
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#include <plat/map-s5p.h>
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#endif /* __ASM_PLAT_MAP_S3C_H */
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