X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fppc4xx%2Ffdt.c;h=496e0285b5bd802a9445f6df7f0883623d3590a9;hb=d1c3b27525b664e8c4db6bb173eed51bfc8220de;hp=c55e1cfbb72f94da0838fac7f341ba19d51b3a8c;hpb=06c29422189388f3082c5bab226af17e90d51ee7;p=oweals%2Fu-boot.git diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c index c55e1cfbb7..496e0285b5 100644 --- 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