diff options
Diffstat (limited to 'target/linux/coldfire/patches/014-m5445x_ioremap_xf0000000.patch')
-rw-r--r-- | target/linux/coldfire/patches/014-m5445x_ioremap_xf0000000.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/target/linux/coldfire/patches/014-m5445x_ioremap_xf0000000.patch b/target/linux/coldfire/patches/014-m5445x_ioremap_xf0000000.patch deleted file mode 100644 index 11bbbe2473..0000000000 --- a/target/linux/coldfire/patches/014-m5445x_ioremap_xf0000000.patch +++ /dev/null @@ -1,61 +0,0 @@ -From ed9d4b88136173a4e17701d9c1162ddfecf902e4 Mon Sep 17 00:00:00 2001 -From: Kurt Mahan <kmahan@freescale.com> -Date: Mon, 19 Nov 2007 15:24:30 -0700 -Subject: [PATCH] Short circuit IOREMAP calls in the 0xF0000000 range. - -LTIBName: m5445x-ioremap-xf0000000 -Signed-off-by: Kurt Mahan <kmahan@freescale.com> ---- - arch/m68k/coldfire/head.S | 4 ++-- - arch/m68k/mm/kmap.c | 14 ++++++++++++-- - 2 files changed, 14 insertions(+), 4 deletions(-) - ---- a/arch/m68k/coldfire/head.S -+++ b/arch/m68k/coldfire/head.S -@@ -56,13 +56,13 @@ - * Setup ACR mappings to provide the following memory map: - * Data - * 0xA0000000 -> 0xAFFFFFFF [0] NO CACHE / PRECISE / SUPER ONLY -- * 0xFC000000 -> 0xFCFFFFFF [1] NO CACHE / PRECISE / SUPER ONLY -+ * 0xF0000000 -> 0xFFFFFFFF [1] NO CACHE / PRECISE / SUPER ONLY - * Code - * None currently (mapped via TLBs) - */ - - #define ACR0_DEFAULT #0xA00FA048 /* ACR0 default value */ --#define ACR1_DEFAULT #0xFC00A040 /* ACR1 default value */ -+#define ACR1_DEFAULT #0xF00FA040 /* ACR1 default value */ - #define ACR2_DEFAULT #0x00000000 /* ACR2 default value */ - #define ACR3_DEFAULT #0x00000000 /* ACR3 default value */ - ---- a/arch/m68k/mm/kmap.c -+++ b/arch/m68k/mm/kmap.c -@@ -133,8 +133,18 @@ void __iomem *__ioremap(unsigned long ph - } - #endif - -+#ifdef CONFIG_M54455 -+ if (physaddr >= 0xf0000000) { -+ /* short circuit mappings for xf0000000 */ - #ifdef DEBUG -- printk("ioremap: 0x%lx,0x%lx(%d) - ", physaddr, size, cacheflag); -+ printk(KERN_INFO "ioremap: short circuiting 0x%lx mapping\n", physaddr); -+#endif -+ return (void __iomem *)physaddr; -+ } -+#endif -+ -+#ifdef DEBUG -+ printk("ioremap: paddr=0x%lx,size=0x%lx(%d) - ", physaddr, size, cacheflag); - #endif - /* - * Mappings have to be aligned -@@ -153,7 +163,7 @@ void __iomem *__ioremap(unsigned long ph - virtaddr = (unsigned long)area->addr; - retaddr = virtaddr + offset; - #ifdef DEBUG -- printk("0x%lx,0x%lx,0x%lx", physaddr, virtaddr, retaddr); -+ printk(" paddr=0x%lx,vaddr=0x%lx,retaddr=0x%lx", physaddr, virtaddr, retaddr); - #endif - - /* |