Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'

[u-boot] / 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 2ab16bfebf65955c288f043cdcba843685b7605b..05ff2e868f2b4f5a99bafde85eca035d8639db25 100644 (file)
--- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c
+++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
@@ -28,33 +28,15 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <spl.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/sizes.h>
-#include <asm/arch/emif.h>
+#include <asm/emif.h>
+#include <asm/omap_common.h>
+#include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_SPL_BUILD
-/*
- * We use static variables because global data is not ready yet.
- * Initialized data is available in SPL right from the beginning.
- * We would not typically need to save these parameters in regular
- * U-Boot. This is needed only in SPL at the moment.
- */
-u32 omap_bootdevice = BOOT_DEVICE_MMC1;
-u32 omap_bootmode = MMCSD_MODE_FAT;
-
-u32 omap_boot_device(void)
-{
-       return omap_bootdevice;
-}
-
-u32 omap_boot_mode(void)
-{
-       return omap_bootmode;
-}
-#endif
-
 void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
 {
        int i;
@@ -71,12 +53,16 @@ static void set_mux_conf_regs(void)
                set_muxconf_regs_essential();
                break;
        case OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL:
+#ifdef CONFIG_SYS_ENABLE_PADS_ALL
                set_muxconf_regs_non_essential();
+#endif
                break;
        case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
        case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
                set_muxconf_regs_essential();
+#ifdef CONFIG_SYS_ENABLE_PADS_ALL
                set_muxconf_regs_non_essential();
+#endif
                break;
        }
 }
@@ -92,15 +78,36 @@ u32 cortex_rev(void)
        return rev;
 }
 
-void omap_rev_string(char *omap_rev_string)
+void omap_rev_string(void)
 {
        u32 omap_rev = omap_revision();
+       u32 soc_variant = (omap_rev & 0xF0000000) >> 28;
        u32 omap_variant = (omap_rev & 0xFFFF0000) >> 16;
        u32 major_rev = (omap_rev & 0x00000F00) >> 8;
        u32 minor_rev = (omap_rev & 0x000000F0) >> 4;
 
-       sprintf(omap_rev_string, "OMAP%x ES%x.%x", omap_variant, major_rev,
-               minor_rev);
+       if (soc_variant)
+               printf("OMAP");
+       else
+               printf("DRA");
+       printf("%x ES%x.%x\n", omap_variant, major_rev,
+              minor_rev);
+}
+
+#ifdef CONFIG_SPL_BUILD
+static void init_boot_params(void)
+{
+       boot_params_ptr = (u32 *) &boot_params;
+}
+
+void spl_display_print(void)
+{
+       omap_rev_string();
+}
+#endif
+
+void __weak srcomp_enable(void)
+{
 }
 
 /*
@@ -120,17 +127,30 @@ void omap_rev_string(char *omap_rev_string)
 void s_init(void)
 {
        init_omap_revision();
+       hw_data_init();
+
+#ifdef CONFIG_SPL_BUILD
+       if (warm_reset() && (omap_revision() <= OMAP5430_ES1_0))
+               force_emif_self_refresh();
+#endif
        watchdog_init();
        set_mux_conf_regs();
 #ifdef CONFIG_SPL_BUILD
+       srcomp_enable();
        setup_clocks_for_console();
+
+       gd = &gdata;
+
        preloader_console_init();
        do_io_settings();
 #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
 }
 
@@ -168,20 +188,38 @@ void watchdog_init(void)
  */
 u32 omap_sdram_size(void)
 {
-       u32 section, i, total_size = 0, size, addr;
+       u32 section, i, valid;
+       u64 sdram_start = 0, sdram_end = 0, addr,
+           size, total_size = 0, trap_size = 0;
+
        for (i = 0; i < 4; i++) {
-               section = __raw_readl(OMAP44XX_DMM_LISA_MAP_BASE + i*4);
-               addr = section & OMAP44XX_SYS_ADDR_MASK;
+               section = __raw_readl(DMM_BASE + i*4);
+               valid = (section & EMIF_SDRC_ADDRSPC_MASK) >>
+                       (EMIF_SDRC_ADDRSPC_SHIFT);
+               addr = section & EMIF_SYS_ADDR_MASK;
+
                /* See if the address is valid */
-               if ((addr >= OMAP44XX_DRAM_ADDR_SPACE_START) &&
-                   (addr < OMAP44XX_DRAM_ADDR_SPACE_END)) {
-                       size    = ((section & OMAP44XX_SYS_SIZE_MASK) >>
-                                  OMAP44XX_SYS_SIZE_SHIFT);
-                       size    = 1 << size;
-                       size    *= SZ_16M;
-                       total_size += size;
+               if ((addr >= DRAM_ADDR_SPACE_START) &&
+                   (addr < DRAM_ADDR_SPACE_END)) {
+                       size = ((section & EMIF_SYS_SIZE_MASK) >>
+                                  EMIF_SYS_SIZE_SHIFT);
+                       size = 1 << size;
+                       size *= SZ_16M;
+
+                       if (valid != DMM_SDRC_ADDR_SPC_INVALID) {
+                               if (!sdram_start || (addr < sdram_start))
+                                       sdram_start = addr;
+                               if (!sdram_end || ((addr + size) > sdram_end))
+                                       sdram_end = addr + size;
+                       } else {
+                               trap_size = size;
+                       }
+
                }
+
        }
+       total_size = (sdram_end - sdram_start) - (trap_size);
+
        return total_size;
 }
 
@@ -206,22 +244,13 @@ int checkboard(void)
        return 0;
 }
 
-/*
-* This function is called by start_armboot. You can reliably use static
-* data. Any boot-time function that require static data should be
-* called from here
-*/
-int arch_cpu_init(void)
-{
-       return 0;
-}
-
 /*
  *  get_device_type(): tell if GP/HS/EMU/TST
  */
 u32 get_device_type(void)
 {
-       return 0;
+       return (readl((*ctrl)->control_status) &
+                                     (DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT;
 }
 
 /*
@@ -229,10 +258,8 @@ u32 get_device_type(void)
  */
 int print_cpuinfo(void)
 {
-       char rev_string_buffer[50];
-
-       omap_rev_string(rev_string_buffer);
-       printf("CPU  : %s\n", rev_string_buffer);
+       puts("CPU  : ");
+       omap_rev_string();
 
        return 0;
 }