ppc4xx: Big cleanup of PPC4xx defines

[oweals/u-boot.git] / cpu / ppc4xx / fdt.c

diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index c55e1cfbb72f94da0838fac7f341ba19d51b3a8c..496e0285b5bd802a9445f6df7f0883623d3590a9 100644 (file)
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -51,8 +51,8 @@ void __ft_board_setup(void *blob, bd_t *bd)
         * peripheral banks into the OPB/PLB address space
         */
        for (i = 0; i < EBC_NUM_BANKS; i++) {
-               mtdcr(ebccfga, EBC_BXCR(i));
-               bxcr = mfdcr(ebccfgd);
+               mtdcr(EBC0_CFGADDR, EBC_BXCR(i));
+               bxcr = mfdcr(EBC0_CFGDATA);
 
                if ((bxcr & EBC_BXCR_BU_MASK) != EBC_BXCR_BU_NONE) {
                        *p++ = i;
@@ -113,6 +113,7 @@ void fdt_pcie_setup(void *blob)
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
        sys_info_t sys_info;
+       int off, ndepth = 0;
 
        get_sys_info(&sys_info);
 
@@ -133,9 +134,28 @@ void ft_cpu_setup(void *blob, bd_t *bd)
        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 
        /*
-        * Setup all baudrates for the UARTs
+        * Fixup all UART clocks for CPU internal UARTs
+        * (only these UARTs are definitely clocked by gd->uart_clk)
+        *
+        * These UARTs are direct childs of /plb/opb. This code
+        * does not touch any UARTs that are connected to the ebc.
         */
-       do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
+       off = fdt_path_offset(blob, "/plb/opb");
+       while ((off = fdt_next_node(blob, off, &ndepth)) >= 0) {
+               /*
+                * process all sub nodes and stop when we are back
+                * at the starting depth
+                */
+               if (ndepth <= 0)
+                       break;
+
+               /* only update direct childs */
+               if ((ndepth == 1) &&
+                   (fdt_node_check_compatible(blob, off, "ns16550") == 0))
+                       fdt_setprop(blob, off,
+                                   "clock-frequency",
+                                   (void*)&(gd->uart_clk), 4);
+       }
 
        /*
         * Fixup all ethernet nodes