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openwrt-xburst/target/linux/lantiq/patches-3.3/535-svip_cp1.patch
blogic 0d1207bd0b [lantiq] add lantiq svip support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32925 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-07-31 18:49:54 +00:00

82 lines
2.2 KiB
Diff

Index: linux-3.3.8/arch/mips/lantiq/devices.c
===================================================================
--- linux-3.3.8.orig/arch/mips/lantiq/devices.c 2012-07-31 09:45:42.315551926 +0200
+++ linux-3.3.8/arch/mips/lantiq/devices.c 2012-07-31 09:46:14.051553281 +0200
@@ -102,19 +102,29 @@
}
#endif
+#ifdef CONFIG_SOC_SVIP
+extern unsigned int *prom_cp1_base;
+#else
static unsigned int *cp1_base = 0;
+#endif
unsigned int*
ltq_get_cp1_base(void)
{
+#ifdef CONFIG_SOC_SVIP
+ return prom_cp1_base;
+#else
return cp1_base;
+#endif
}
EXPORT_SYMBOL(ltq_get_cp1_base);
void __init
ltq_register_tapi(void)
{
+#ifndef CONFIG_SOC_SVIP
#define CP1_SIZE (1 << 20)
dma_addr_t dma;
cp1_base =
(void*)CPHYSADDR(dma_alloc_coherent(NULL, CP1_SIZE, &dma, GFP_ATOMIC));
+#endif
}
Index: linux-3.3.8/arch/mips/lantiq/prom.c
===================================================================
--- linux-3.3.8.orig/arch/mips/lantiq/prom.c 2012-07-31 09:45:42.315551926 +0200
+++ linux-3.3.8/arch/mips/lantiq/prom.c 2012-07-31 10:31:28.759669332 +0200
@@ -129,6 +129,7 @@
}
EXPORT_SYMBOL(ltq_remap_resource);
+
void __init prom_init(void)
{
ltq_soc_detect(&soc_info);
Index: linux-3.3.8/arch/mips/lantiq/setup.c
===================================================================
--- linux-3.3.8.orig/arch/mips/lantiq/setup.c 2012-07-31 09:45:42.315551926 +0200
+++ linux-3.3.8/arch/mips/lantiq/setup.c 2012-07-31 10:31:35.215669606 +0200
@@ -21,8 +21,15 @@
/* set to 1 if the bootloader is BRN-BOOT instead of u-boot */
unsigned long ltq_brn_boot = 0;
+#ifdef CONFIG_SOC_SVIP
+unsigned int *prom_cp1_base;
+#endif
+
void __init plat_mem_setup(void)
{
+#ifdef CONFIG_SOC_SVIP
+ int prom_cp1_size = 0x800000;
+#endif
/* assume 16M as default incase uboot fails to pass proper ramsize */
unsigned long memsize = 16;
char **envp = (char **) KSEG1ADDR(fw_arg2);
@@ -54,6 +61,14 @@
envp++;
}
memsize *= 1024 * 1024;
+
+#ifdef CONFIG_SOC_SVIP
+ memsize -= prom_cp1_size;
+ prom_cp1_base = (unsigned int *)KSEG1ADDR(memsize);
+
+ printk("Using %ldMB Ram and reserving %dMB for cp1\n",
+ memsize>>20, prom_cp1_size>>20);
+#endif
add_memory_region(0x00000000, memsize, BOOT_MEM_RAM);
}