Merge branch 'master' of git://git.denx.de/u-boot-arm

[karo-tx-uboot.git] / cpu / mpc5xxx / cpu.c

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 8d1e7c637792cad79e9a74ec3c92a0f8666608c5..edfb8282b7dea266d8253395d6795c54252e20de 100644 (file)
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2010
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -28,13 +28,26 @@
 #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
+
+#if defined(CONFIG_OF_IDE_FIXUP)
+#include <ide.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
 int checkcpu (void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
-
        ulong clock = gd->cpu_clk;
        char buf[32];
 #ifndef CONFIG_MGT5100
@@ -49,16 +62,20 @@ int checkcpu (void)
 #else
        svr = get_svr();
        pvr = get_pvr();
-       switch (SVR_VER (svr)) {
-       case SVR_MPC5200:
-               printf ("MPC5200");
+
+       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, Core 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));
@@ -94,8 +111,6 @@ do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  */
 unsigned long get_tbclk (void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
-
        ulong tbclk;
 
        tbclk = (gd->bus_clk + 3L) / 4L;
@@ -104,3 +119,94 @@ 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
+#if defined(CONFIG_OF_IDE_FIXUP)
+       if (!ide_device_present(0)) {
+               /* NO CF card detected -> delete ata node in DTS */
+               int nodeoffset = 0;
+               char nodename[] = "/soc5200@f0000000/ata@3a00";
+
+               nodeoffset = fdt_path_offset(blob, nodename);
+               if (nodeoffset >= 0) {
+                       fdt_del_node(blob, nodeoffset);
+               } else {
+                       printf("%s: cannot find %s node err:%s\n",
+                               __func__, nodename, fdt_strerror(nodeoffset));
+               }
+       }
+
+#endif
+       fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+}
+#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
+
+#if defined(CONFIG_WATCHDOG)
+void watchdog_reset(void)
+{
+       int re_enable = disable_interrupts();
+       reset_5xxx_watchdog();
+       if (re_enable) enable_interrupts();
+}
+
+void reset_5xxx_watchdog(void)
+{
+       volatile struct mpc5xxx_gpt *gpt0 =
+               (struct mpc5xxx_gpt *) MPC5XXX_GPT;
+
+       /* Trigger TIMER_0 by writing A5 to OCPW */
+       clrsetbits_be32(&gpt0->emsr, 0xff000000, 0xa5000000);
+}
+#endif /* CONFIG_WATCHDOG */