Add support for the digsy MTC board.

[oweals/u-boot.git] / cpu / mpc5xxx / cpu.c

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 563d5af3138c6a7aeefa9e81ba3eb720bf74d6fb..f6258c7be60b9f00d4d546be36ed9c3f5e06174e 100644 (file)
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -28,9 +28,18 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <net.h>
 #include <mpc5xxx.h>
+#include <netdev.h>
+#include <asm/io.h>
 #include <asm/processor.h>
 
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
+#include <fdt_support.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 int checkcpu (void)
@@ -38,7 +47,7 @@ int checkcpu (void)
        ulong clock = gd->cpu_clk;
        char buf[32];
 #ifndef CONFIG_MGT5100
-       uint svr;
+       uint svr, pvr;
 #endif
 
        puts ("CPU:   ");
@@ -47,21 +56,25 @@ int checkcpu (void)
        puts   (CPU_ID_STR);
        printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID);
 #else
-       svr = get_svr ();
-       switch (SVR_VER (svr)) {
-       case SVR_MPC5200:
-               printf ("MPC5200");
+       svr = get_svr();
+       pvr = get_pvr();
+
+       switch (pvr) {
+       case PVR_5200:
+               printf("MPC5200");
+               break;
+       case PVR_5200B:
+               printf("MPC5200B");
                break;
        default:
-               printf ("MPC52??  (SVR %08x)", svr);
+               printf("Unknown MPC5xxx");
                break;
        }
 
-       printf (" v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr));
+       printf (" v%d.%d, Core v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr),
+               PVR_MAJ(pvr), PVR_MIN(pvr));
 #endif
-
        printf (" at %s MHz\n", strmhz (buf, clock));
-
        return 0;
 }
 
@@ -102,3 +115,59 @@ unsigned long get_tbclk (void)
 }
 
 /* ------------------------------------------------------------------------- */
+
+#if defined(CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+       int div = in_8((void*)CONFIG_SYS_MBAR + 0x204) & 0x0020 ? 8 : 4;
+       char * cpu_path = "/cpus/" OF_CPU;
+#ifdef CONFIG_MPC5xxx_FEC
+       uchar enetaddr[6];
+       char * eth_path = "/" OF_SOC "/ethernet@3000";
+#endif
+
+       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, "clock-frequency", bd->bi_intfreq, 1);
+       do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1);
+       do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency",
+                               bd->bi_busfreq*div, 1);
+#ifdef CONFIG_MPC5xxx_FEC
+       eth_getenv_enetaddr("ethaddr", enetaddr);
+       do_fixup_by_path(blob, eth_path, "mac-address", enetaddr, 6, 0);
+       do_fixup_by_path(blob, eth_path, "local-mac-address", enetaddr, 6, 0);
+#endif
+}
+#endif
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+void bootcount_store (ulong a)
+{
+       volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB);
+
+       *save_addr = (BOOTCOUNT_MAGIC & 0xffff0000) | a;
+}
+
+ulong bootcount_load (void)
+{
+       volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB);
+
+       if ((*save_addr & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
+               return 0;
+       else
+               return (*save_addr & 0x0000ffff);
+}
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+
+#ifdef CONFIG_MPC5xxx_FEC
+/* Default initializations for FEC controllers.  To override,
+ * create a board-specific function called:
+ *     int board_eth_init(bd_t *bis)
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+       return mpc5xxx_fec_initialize(bis);
+}
+#endif