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-rw-r--r--arch/mips/cpu/mips32/start.S19
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 5d7467d..9c1b2f7 100644
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -27,6 +27,10 @@
#include <asm/regdef.h>
#include <asm/mipsregs.h>
+#ifndef CONFIG_SYS_MIPS_CACHE_MODE
+#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
+#endif
+
/*
* For the moment disable interrupts, mark the kernel mode and
* set ST0_KX so that the CPU does not spit fire when using
@@ -64,9 +68,16 @@
_start:
RVECENT(reset,0) # U-boot entry point
RVECENT(reset,1) # software reboot
-#ifdef CONFIG_INCA_IP
- .word INFINEON_EBU_BOOTCFG # EBU init code, fetched during
- .word 0x00000000 # booting phase of the flash
+#ifdef CONFIG_SYS_XWAY_EBU_BOOTCFG
+ /*
+ * Almost all Lantiq XWAY SoC devices have an external bus unit (EBU) to
+ * access external NOR flashes. If the board boots from NOR flash the
+ * internal BootROM does a blind read at address 0xB0000010 to read the
+ * initial configuration for that EBU in order to access the flash
+ * device with correct parameters. This config option is board-specific.
+ */
+ .word CONFIG_SYS_XWAY_EBU_BOOTCFG
+ .word 0x00000000
#else
RVECENT(romReserved,2)
#endif
@@ -242,7 +253,7 @@ reset:
nop
/* ... and enable them */
- li t0, CONF_CM_CACHABLE_NONCOHERENT
+ li t0, CONFIG_SYS_MIPS_CACHE_MODE
mtc0 t0, CP0_CONFIG
#endif