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path: root/target/linux/lantiq/patches-3.3/535-svip_cp1.patch
blob: 84b483b6f12bfadbb3c20d7d6ef0cc4576fa4e75 (plain)
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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);
 }