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diff -Nur linux-2.6.32.orig/arch/mips/ar7/platform.c linux-2.6.32/arch/mips/ar7/platform.c
--- linux-2.6.32.orig/arch/mips/ar7/platform.c 2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32/arch/mips/ar7/platform.c 2009-12-15 18:27:15.208942638 +0100
@@ -509,7 +509,7 @@
memset(uart_port, 0, sizeof(struct uart_port) * 2);
- uart_port[0].type = PORT_16550A;
+ uart_port[0].type = PORT_AR7;
uart_port[0].line = 0;
uart_port[0].irq = AR7_IRQ_UART0;
uart_port[0].uartclk = ar7_bus_freq() / 2;
@@ -524,7 +524,7 @@
/* Only TNETD73xx have a second serial port */
if (ar7_has_second_uart()) {
- uart_port[1].type = PORT_16550A;
+ uart_port[1].type = PORT_AR7;
uart_port[1].line = 1;
uart_port[1].irq = AR7_IRQ_UART1;
uart_port[1].uartclk = ar7_bus_freq() / 2;
diff -Nur linux-2.6.32.orig/arch/mips/include/asm/page.h linux-2.6.32/arch/mips/include/asm/page.h
--- linux-2.6.32.orig/arch/mips/include/asm/page.h 2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32/arch/mips/include/asm/page.h 2009-12-14 22:03:51.157752807 +0100
@@ -200,8 +200,11 @@
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
-#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
+#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
+ PHYS_OFFSET)
+#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
+ PHYS_OFFSET)
+
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
diff -Nur linux-2.6.32.orig/arch/mips/Kconfig linux-2.6.32/arch/mips/Kconfig
--- linux-2.6.32.orig/arch/mips/Kconfig 2009-12-14 21:11:40.737752912 +0100
+++ linux-2.6.32/arch/mips/Kconfig 2009-12-14 21:00:48.533738664 +0100
@@ -30,7 +30,6 @@
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
- select NO_EXCEPT_FILL
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_EARLY_PRINTK
diff -Nur linux-2.6.32.orig/arch/mips/kernel/traps.c linux-2.6.32/arch/mips/kernel/traps.c
--- linux-2.6.32.orig/arch/mips/kernel/traps.c 2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32/arch/mips/kernel/traps.c 2009-12-14 22:25:58.329754617 +0100
@@ -1255,9 +1255,22 @@
exception_handlers[n] = handler;
if (n == 0 && cpu_has_divec) {
- *(u32 *)(ebase + 0x200) = 0x08000000 |
- (0x03ffffff & (handler >> 2));
- local_flush_icache_range(ebase + 0x200, ebase + 0x204);
+ if ((handler ^ (ebase + 4)) & 0xfc000000) {
+ /* lui k0, 0x0000 */
+ *(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
+ /* ori k0, 0x0000 */
+ *(u32 *)(ebase + 0x204) =
+ 0x375a0000 | (handler & 0xffff);
+ /* jr k0 */
+ *(u32 *)(ebase + 0x208) = 0x03400008;
+ /* nop */
+ *(u32 *)(ebase + 0x20C) = 0x00000000;
+ flush_icache_range(ebase + 0x200, ebase + 0x210);
+ } else {
+ *(u32 *)(ebase + 0x200) =
+ 0x08000000 | (0x03ffffff & (handler >> 2));
+ flush_icache_range(ebase + 0x200, ebase + 0x204);
+ }
}
return (void *)old_handler;
}
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