fdt: Allow ft_board_setup() to report failure

[karo-tx-uboot.git] / board / freescale / t104xrdb / t104xrdb.c

diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index 6e29d6410775511b263ccb09da6bf5fd6ed17abe..4734f9dd93b17faf924661fc1a16efcd82214461 100644 (file)
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -17,16 +17,30 @@
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <fm_eth.h>
+#include <asm/mpc85xx_gpio.h>
 
 #include "t104xrdb.h"
+#include "cpld.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
 int checkboard(void)
 {
        struct cpu_type *cpu = gd->arch.cpu;
+       u8 sw;
 
        printf("Board: %sRDB\n", cpu->name);
+       printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
+              CPLD_READ(hw_ver), CPLD_READ(sw_ver));
+
+       sw = CPLD_READ(flash_ctl_status);
+       sw = ((sw & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
+
+       if (sw <= 7)
+               printf("vBank: %d\n", sw);
+       else
+               printf("Unsupported Bank=%x\n", sw);
+
        return 0;
 }
 
@@ -34,7 +48,7 @@ int board_early_init_r(void)
 {
 #ifdef CONFIG_SYS_FLASH_BASE
        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
-       const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
+       int flash_esel = find_tlb_idx((void *)flashbase, 1);
 
        /*
         * Remap Boot flash region to caching-inhibited
@@ -45,8 +59,14 @@ int board_early_init_r(void)
        flush_dcache();
        invalidate_icache();
 
-       /* invalidate existing TLB entry for flash */
-       disable_tlb(flash_esel);
+       if (flash_esel == -1) {
+               /* very unlikely unless something is messed up */
+               puts("Error: Could not find TLB for FLASH BASE\n");
+               flash_esel = 2; /* give our best effort to continue */
+       } else {
+               /* invalidate existing TLB entry for flash */
+               disable_tlb(flash_esel);
+       }
 
        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -65,7 +85,7 @@ int misc_init_r(void)
        return 0;
 }
 
-void ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, bd_t *bd)
 {
        phys_addr_t base;
        phys_size_t size;
@@ -90,4 +110,17 @@ void ft_board_setup(void *blob, bd_t *bd)
 #ifdef CONFIG_SYS_DPAA_FMAN
        fdt_fixup_fman_ethernet(blob);
 #endif
+
+       return 0;
 }
+
+#ifdef CONFIG_DEEP_SLEEP
+void board_mem_sleep_setup(void)
+{
+       /* does not provide HW signals for power management */
+       CPLD_WRITE(misc_ctl_status, (CPLD_READ(misc_ctl_status) & ~0x40));
+       /* Disable MCKE isolation */
+       gpio_set_value(2, 0);
+       udelay(1);
+}
+#endif