Merge branch 'master' of git://git.denx.de/u-boot-mpc5xxx

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / omap-common / hwinit-common.c

diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
index 05ff2e868f2b4f5a99bafde85eca035d8639db25..5df116edbe67b379b50952b896635c248ad7bc25 100644 (file)
--- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c
+++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
@@ -34,6 +34,12 @@
 #include <asm/emif.h>
 #include <asm/omap_common.h>
 #include <linux/compiler.h>
+#include <asm/cache.h>
+#include <asm/system.h>
+
+#define ARMV7_DCACHE_WRITEBACK  0xe
+#define        ARMV7_DOMAIN_CLIENT     1
+#define ARMV7_DOMAIN_MASK      (0x3 << 0)
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -78,7 +84,7 @@ u32 cortex_rev(void)
        return rev;
 }
 
-void omap_rev_string(void)
+static void omap_rev_string(void)
 {
        u32 omap_rev = omap_revision();
        u32 soc_variant = (omap_rev & 0xF0000000) >> 28;
@@ -95,11 +101,6 @@ void omap_rev_string(void)
 }
 
 #ifdef CONFIG_SPL_BUILD
-static void init_boot_params(void)
-{
-       boot_params_ptr = (u32 *) &boot_params;
-}
-
 void spl_display_print(void)
 {
        omap_rev_string();
@@ -110,6 +111,17 @@ void __weak srcomp_enable(void)
 {
 }
 
+#ifdef CONFIG_ARCH_CPU_INIT
+/*
+ * SOC specific cpu init
+ */
+int arch_cpu_init(void)
+{
+       save_omap_boot_params();
+       return 0;
+}
+#endif /* CONFIG_ARCH_CPU_INIT */
+
 /*
  * Routine: s_init
  * Description: Does early system init of watchdog, muxing,  andclocks
@@ -126,6 +138,14 @@ void __weak srcomp_enable(void)
  */
 void s_init(void)
 {
+       /*
+        * Save the boot parameters passed from romcode.
+        * We cannot delay the saving further than this,
+        * to prevent overwrites.
+        */
+#ifdef CONFIG_SPL_BUILD
+       save_omap_boot_params();
+#endif
        init_omap_revision();
        hw_data_init();
 
@@ -146,11 +166,8 @@ void s_init(void)
 #endif
        prcm_init();
 #ifdef CONFIG_SPL_BUILD
-       timer_init();
-
        /* For regular u-boot sdram_init() is called from dram_init() */
        sdram_init();
-       init_boot_params();
 #endif
 }
 
@@ -269,4 +286,33 @@ void enable_caches(void)
        /* Enable D-cache. I-cache is already enabled in start.S */
        dcache_enable();
 }
+
+void dram_bank_mmu_setup(int bank)
+{
+       bd_t *bd = gd->bd;
+       int     i;
+
+       u32 start = bd->bi_dram[bank].start >> 20;
+       u32 size = bd->bi_dram[bank].size >> 20;
+       u32 end = start + size;
+
+       debug("%s: bank: %d\n", __func__, bank);
+       for (i = start; i < end; i++)
+               set_section_dcache(i, ARMV7_DCACHE_WRITEBACK);
+
+}
+
+void arm_init_domains(void)
+{
+       u32 reg;
+
+       reg = get_dacr();
+       /*
+       * Set DOMAIN to client access so that all permissions
+       * set in pagetables are validated by the mmu.
+       */
+       reg &= ~ARMV7_DOMAIN_MASK;
+       reg |= ARMV7_DOMAIN_CLIENT;
+       set_dacr(reg);
+}
 #endif