mpc83xx: add support for more system clock performance controls

[oweals/u-boot.git] / cpu / mpc512x / cpu.c

diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index 3be565ad034a457576478a76e4ed3967ba2077cf..6421a511e423a49fe1d87c60c993c5f252c49e25 100644 (file)
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -32,6 +32,10 @@
 #include <mpc512x.h>
 #include <asm/processor.h>
 
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt_support.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 int checkcpu (void)
@@ -42,7 +46,7 @@ int checkcpu (void)
        u32 spridr = immr->sysconf.spridr;
        char buf[32];
 
-       puts("CPU: ");
+       puts ("CPU:   ");
 
        switch (spridr & 0xffff0000) {
        case SPR_5121E:
@@ -125,3 +129,20 @@ void watchdog_reset (void)
                enable_interrupts ();
 }
 #endif
+
+#ifdef CONFIG_OF_LIBFDT
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+       char * cpu_path = "/cpus/" OF_CPU;
+       char * eth_path = "/" OF_SOC "/ethernet@2800";
+
+       do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
+       do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
+       do_fixup_by_path_u32(blob, cpu_path, "ref-frequency", CFG_MPC512X_CLKIN, 1);
+       do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
+       do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipsfreq, 1);
+       do_fixup_by_path_u32(blob, "/" OF_SOC, "ref-frequency", CFG_MPC512X_CLKIN, 1);
+       do_fixup_by_path(blob, eth_path, "address", bd->bi_enetaddr, 6, 0);
+       do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
+}
+#endif