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-rw-r--r--target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch51
1 files changed, 41 insertions, 10 deletions
diff --git a/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch b/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch
index e22bfc96a2..6247933a86 100644
--- a/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch
+++ b/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch
@@ -1,3 +1,17 @@
+From fb143ba7f7cd215bc2fc34a478c4c0b6dc56e537 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Mon, 6 Jan 2014 14:51:59 +0100
+Subject: [PATCH] MIPS: BCM47XX: fix position of cpu_wait disabling
+
+The disabling of cpu_wait was done too early, before the detection was
+done. This moves the code to a position where it actually works.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+Acked-by: Rafa? Mi?ecki <zajec5@gmail.com>
+---
+ arch/mips/bcm47xx/setup.c | 34 +++++++++++++++++++++++++---------
+ 1 file changed, 25 insertions(+), 9 deletions(-)
+
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -35,6 +35,7 @@
@@ -8,18 +22,35 @@
#include <bcm47xx.h>
#include <bcm47xx_nvram.h>
#include <bcm47xx_board.h>
-@@ -239,6 +240,14 @@ static int __init bcm47xx_register_bus_c
- #endif
- #ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
+@@ -229,6 +230,31 @@ void __init plat_mem_setup(void)
+ mips_set_machine_name(bcm47xx_board_get_name());
+ }
+
++static int __init bcm47xx_cpu_fixes(void)
++{
++ switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++ case BCM47XX_BUS_TYPE_SSB:
++ /* Nothing to do */
++ break;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++ case BCM47XX_BUS_TYPE_BCMA:
+ /* The BCM4706 has a problem with the CPU wait instruction.
-+ * When r4k_wait or r4k_wait_irqoff is used will just hang and
-+ * not return from a msleep(). Removing the cpu_wait
-+ * functionality is a workaround for this problem. The BCM4716
++ * When r4k_wait or r4k_wait_irqoff is used will just hang and
++ * not return from a msleep(). Removing the cpu_wait
++ * functionality is a workaround for this problem. The BCM4716
+ * does not have this problem.
+ */
+ if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
+ cpu_wait = NULL;
- bcma_bus_register(&bcm47xx_bus.bcma.bus);
- break;
- #endif
++ break;
++#endif
++ }
++ return 0;
++}
++arch_initcall(bcm47xx_cpu_fixes);
++
+ static int __init bcm47xx_register_bus_complete(void)
+ {
+ switch (bcm47xx_bus_type) {