diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/asm/coldfire.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index c7dce7e55686..f06a0a439129 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -27,15 +27,20 @@ #endif /* - * Define the processor support peripherals base address. + * Define the processor internal peripherals base address. + * + * The majority of ColdFire parts use an MBAR register to set + * the base address. Some have an IPSBAR register instead, and it + * has slightly different rules on its size and alignment. Some + * parts have fixed addresses and the internal peripherals cannot + * be relocated in the address space. + * * This is generally setup by the boards start up code. */ -#define MCF_MBAR 0x10000000 -#define MCF_IPSBAR 0x40000000 - #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) -#undef MCF_MBAR -#define MCF_MBAR MCF_IPSBAR +#define MCF_IPSBAR 0x40000000 +#else +#define MCF_MBAR 0x10000000 #endif /****************************************************************************/ |