X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fmpc5xxx%2Fcpu.c;h=ad5ef8e37120226eb5869a5a815001f2f98f3a8e;hb=f62fb99941c625605aa16a0097b396a5c16d2c88;hp=7d95d2f9c3f1adbe3e4b46037b24112611b3c539;hpb=945af8d723a29e9b6289d84250745ed0dc16fc81;p=oweals%2Fu-boot.git

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 7d95d2f9c3..ad5ef8e371 100644
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -29,23 +29,51 @@
 #include <watchdog.h>
 #include <command.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)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	ulong clock = gd->cpu_clk;
 	char buf[32];
+#ifndef CONFIG_MGT5100
+	uint svr, pvr;
+#endif
 
 	puts ("CPU:   ");
 
-	printf (CPU_ID_STR);
-
+#ifdef CONFIG_MGT5100
+	puts   (CPU_ID_STR);
 	printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID);
-
+#else
+	svr = get_svr();
+	pvr = get_pvr();
+
+	switch (pvr) {
+	case PVR_5200:
+		printf("MPC5200");
+		break;
+	case PVR_5200B:
+		printf("MPC5200B");
+		break;
+	default:
+		printf("Unknown MPC5xxx");
+		break;
+	}
+
+	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;
 }
 
@@ -54,31 +82,18 @@ int checkcpu (void)
 int
 do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {
-	ulong msr, addr;
-
-	*(vu_long *)MPC5XXX_CDM_SRESET &= ~(1 << 16);	/* Checkstop Reset enable */
-
+	ulong msr;
 	/* Interrupts and MMU off */
 	__asm__ __volatile__ ("mfmsr    %0":"=r" (msr):);
 
 	msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
 	__asm__ __volatile__ ("mtmsr    %0"::"r" (msr));
 
-	/*
-	 * Trying to execute the next instruction at a non-existing address
-	 * should cause a machine check, resulting in reset
-	 */
-#ifdef CFG_RESET_ADDRESS
-	addr = CFG_RESET_ADDRESS;
-#else
-	/*
-	 * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE
-	 * - sizeof (ulong) is usually a valid address. Better pick an address
-	 * known to be invalid on your system and assign it to CFG_RESET_ADDRESS.
-	 */
-	addr = CFG_MONITOR_BASE - sizeof (ulong);
-#endif
-	((void (*)(void)) addr) ();
+	/* Charge the watchdog timer */
+	*(vu_long *)(MPC5XXX_GPT0_COUNTER) = 0x0001000f;
+	*(vu_long *)(MPC5XXX_GPT0_ENABLE) = 0x9004; /* wden|ce|timer_ms */
+	while(1);
+
 	return 1;
 
 }
@@ -91,8 +106,6 @@ 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;
@@ -101,3 +114,59 @@ 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