diff options
| -rw-r--r-- | arch/ppc/kernel/head_44x.S | 4 | ||||
| -rw-r--r-- | include/asm-ppc/ibm44x.h | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S index 8b49679..677c571 100644 --- a/arch/ppc/kernel/head_44x.S +++ b/arch/ppc/kernel/head_44x.S @@ -190,8 +190,8 @@ skpinv: addi r4,r4,1 /* Increment */ /* xlat fields */ lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */ -#ifndef CONFIG_440EP - ori r4,r4,0x0001 /* ERPN is 1 for second 4GB page */ +#ifdef UART0_PHYS_ERPN + ori r4,r4,UART0_PHYS_ERPN /* Add ERPN if above 4GB */ #endif /* attrib fields */ diff --git a/include/asm-ppc/ibm44x.h b/include/asm-ppc/ibm44x.h index e5374be..197a9ff 100644 --- a/include/asm-ppc/ibm44x.h +++ b/include/asm-ppc/ibm44x.h @@ -34,12 +34,17 @@ /* Lowest TLB slot consumed by the default pinned TLBs */ #define PPC44x_LOW_SLOT 63 -/* LS 32-bits of UART0 physical address location for early serial text debug */ +/* + * Least significant 32-bits and extended real page number (ERPN) of + * UART0 physical address location for early serial text debug + */ #if defined(CONFIG_440SP) +#define UART0_PHYS_ERPN 1 #define UART0_PHYS_IO_BASE 0xf0000200 #elif defined(CONFIG_440EP) #define UART0_PHYS_IO_BASE 0xe0000000 #else +#define UART0_PHYS_ERPN 1 #define UART0_PHYS_IO_BASE 0x40000200 #endif |