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@@ -113,6 +113,7 @@ void fdt_pcie_setup(void *blob)
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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sys_info_t sys_info;
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+ int off, ndepth = 0;
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get_sys_info(&sys_info);
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@@ -133,9 +134,28 @@ void ft_cpu_setup(void *blob, bd_t *bd)
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fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
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/*
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- * Setup all baudrates for the UARTs
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+ * Fixup all UART clocks for CPU internal UARTs
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+ * (only these UARTs are definitely clocked by gd->uart_clk)
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+ *
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+ * These UARTs are direct childs of /plb/opb. This code
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+ * does not touch any UARTs that are connected to the ebc.
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*/
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- do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
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+ off = fdt_path_offset(blob, "/plb/opb");
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+ while ((off = fdt_next_node(blob, off, &ndepth)) >= 0) {
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+ /*
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+ * process all sub nodes and stop when we are back
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+ * at the starting depth
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+ */
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+ if (ndepth <= 0)
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+ break;
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+
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+ /* only update direct childs */
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+ if ((ndepth == 1) &&
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+ (fdt_node_check_compatible(blob, off, "ns16550") == 0))
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+ fdt_setprop(blob, off,
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+ "clock-frequency",
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+ (void*)&(gd->uart_clk), 4);
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+ }
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/*
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* Fixup all ethernet nodes
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