From 7a99c8888a9206a9ad0a082e6625bb722235fe71 Mon Sep 17 00:00:00 2001 From: hauke Date: Fri, 26 Mar 2010 19:53:30 +0000 Subject: brcm47xx: remove support for older for kernel git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20492 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches-2.6.31/170-128MB_ram_bugfix.patch | 32 ---------------------- 1 file changed, 32 deletions(-) delete mode 100644 target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch (limited to 'target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch') diff --git a/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch b/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch deleted file mode 100644 index 93f4b1f101..0000000000 --- a/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch +++ /dev/null @@ -1,32 +0,0 @@ ---- a/arch/mips/bcm47xx/prom.c -+++ b/arch/mips/bcm47xx/prom.c -@@ -126,6 +126,7 @@ static __init void prom_init_cmdline(voi - static __init void prom_init_mem(void) - { - unsigned long mem; -+ unsigned long max; - - /* Figure out memory size by finding aliases. - * -@@ -134,8 +135,21 @@ static __init void prom_init_mem(void) - * want to reuse the memory used by CFE (around 4MB). That means cfe_* - * functions stop to work at some point during the boot, we should only - * call them at the beginning of the boot. -+ * -+ * BCM47XX uses 128MB for addressing the ram, if the system contains -+ * less that that amount of ram it remaps the ram more often into the -+ * available space. -+ * Accessing memory after 128MB will cause an exception. -+ * max contains the biggest possible address supported by the platform. -+ * If the method wants to try something above we assume 128MB ram. - */ -+ max = ((unsigned long)(prom_init) | ((128 << 20) - 1)); - for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) { -+ if (((unsigned long)(prom_init) + mem) > max) { -+ mem = (128 << 20); -+ printk("assume 128MB RAM\n"); -+ break; -+ } - if (*(unsigned long *)((unsigned long)(prom_init) + mem) == - *(unsigned long *)(prom_init)) - break; -- cgit v1.2.3