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ARM: at91: fix nommu build regression

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The newly introduced support for SAMA5D4 added access to the
'AT91_ALT_BASE_SYS' register area, but failed to define the
symbols in the case when CONFIG_MMU is disabled.

We really should not hardwire addresses like this any more,
but as a small fixup, this patch just adds the missing
definitions for the nommu case, which gets at91x40_defconfig
and any configuration of sam9 and sama5 with MMU disabled
back to work.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 726d32bf79 ("ARM: at91: SAMA5D4 SoC detection code and low ...")
This commit is contained in:
Arnd Bergmann 2014-09-26 12:27:00 +02:00
parent 6d50424a39
commit e138e3ae87
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-at91/include/mach/hardware.h
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@ -51,11 +51,12 @@
*/ */
#define AT91_BASE_SYS 0xffffc000 #define AT91_BASE_SYS 0xffffc000
#endif
/* /*
* On sama5d4 there is no system controller, we map some needed peripherals * On sama5d4 there is no system controller, we map some needed peripherals
*/ */
#define AT91_ALT_BASE_SYS 0xfc069000 #define AT91_ALT_BASE_SYS 0xfc069000
#endif
/* /*
* On all at91 have the Advanced Interrupt Controller starts at address * On all at91 have the Advanced Interrupt Controller starts at address
@ -90,6 +91,9 @@
*/ */
#define AT91_IO_PHYS_BASE AT91_BASE_SYS #define AT91_IO_PHYS_BASE AT91_BASE_SYS
#define AT91_IO_VIRT_BASE IOMEM(AT91_IO_PHYS_BASE) #define AT91_IO_VIRT_BASE IOMEM(AT91_IO_PHYS_BASE)
#define AT91_ALT_IO_PHYS_BASE AT91_ALT_BASE_SYS
#define AT91_ALT_IO_VIRT_BASE IOMEM(AT91_ALT_BASE_SYS)
#endif #endif
#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)