]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/highbank/highbank.c
Merge branch 'u-boot/master' into u-boot-arm/master
[karo-tx-uboot.git] / board / highbank / highbank.c
index 8cdcea8aaca54f548738bf7503245a6d51053c21..4b272c780e101477074a85bb317f8cfc0671fa08 100644 (file)
 #include <asm/sizes.h>
 #include <asm/io.h>
 
+#define HB_AHCI_BASE                   0xffe08000
+
 #define HB_SREG_A9_PWR_REQ             0xfff3cf00
 #define HB_SREG_A9_BOOT_SRC_STAT       0xfff3cf04
+#define HB_SREG_A9_PWRDOM_STAT         0xfff3cf20
+
 #define HB_PWR_SUSPEND                 0
 #define HB_PWR_SOFT_RESET              1
 #define HB_PWR_HARD_RESET              2
 #define HB_PWR_SHUTDOWN                        3
 
+#define PWRDOM_STAT_SATA               0x80000000
+#define PWRDOM_STAT_PCI                        0x40000000
+#define PWRDOM_STAT_EMMC               0x20000000
+
 DECLARE_GLOBAL_DATA_PTR;
 
 /*
@@ -43,13 +51,17 @@ int board_eth_init(bd_t *bis)
        return rc;
 }
 
+#ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
        char envbuffer[16];
        u32 boot_choice;
+       u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
 
-       ahci_init(0xffe08000);
-       scsi_scan(1);
+       if (reg & PWRDOM_STAT_SATA) {
+               ahci_init(HB_AHCI_BASE);
+               scsi_scan(1);
+       }
 
        boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
        sprintf(envbuffer, "bootcmd%d", boot_choice);
@@ -61,6 +73,7 @@ int misc_init_r(void)
 
        return 0;
 }
+#endif
 
 int dram_init(void)
 {
@@ -74,6 +87,22 @@ void dram_init_banksize(void)
        gd->bd->bi_dram[0].size =  PHYS_SDRAM_1_SIZE;
 }
 
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *fdt, bd_t *bd)
+{
+       static const char disabled[] = "disabled";
+       u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
+
+       if (!(reg & PWRDOM_STAT_SATA))
+               do_fixup_by_compat(fdt, "calxeda,hb-ahci", "status",
+                       disabled, sizeof(disabled), 1);
+
+       if (!(reg & PWRDOM_STAT_EMMC))
+               do_fixup_by_compat(fdt, "calxeda,hb-sdhci", "status",
+                       disabled, sizeof(disabled), 1);
+}
+#endif
+
 void reset_cpu(ulong addr)
 {
        writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);