mpc83xx: add support for more system clock performance controls

[oweals/u-boot.git] / cpu / 74xx_7xx / cpu.c

diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c
index 8a6915fca7bd8e5325114e62e609704f6d040305..9c8998b604e1404469574f420bc514ecffdf0555 100644 (file)
--- a/cpu/74xx_7xx/cpu.c
+++ b/cpu/74xx_7xx/cpu.c
@@ -44,6 +44,17 @@
 #include <74xx_7xx.h>
 #include <asm/cache.h>
 
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
+
+#ifdef CONFIG_AMIGAONEG3SE
+#include "../board/MAI/AmigaOneG3SE/via686.h"
+#include "../board/MAI/AmigaOneG3SE/memio.h"
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
 cpu_t
 get_cpu_type(void)
 {
@@ -59,7 +70,7 @@ get_cpu_type(void)
        case 0x0008:
                type = CPU_750;
 
-                if (((pvr >> 8) & 0xff) == 0x01) {
+               if (((pvr >> 8) & 0xff) == 0x01) {
                        type = CPU_750CX;       /* old CX (80100 and 8010x?)*/
                } else if (((pvr >> 8) & 0xff) == 0x22) {
                        type = CPU_750CX;       /* CX (82201,82202) and CXe (82214) */
@@ -67,17 +78,41 @@ get_cpu_type(void)
                        type = CPU_750CX;       /* CXe (83311) */
                } else if (((pvr >> 12) & 0xF) == 0x3) {
                        type = CPU_755;
-                }
+               }
+               break;
+
+       case 0x7000:
+               type = CPU_750FX;
+               break;
+
+       case 0x7002:
+               type = CPU_750GX;
                break;
 
        case 0x800C:
                type = CPU_7410;
                break;
 
-        case 0x8000:
+       case 0x8000:
                type = CPU_7450;
                break;
 
+       case 0x8001:
+               type = CPU_7455;
+               break;
+
+       case 0x8002:
+               type = CPU_7457;
+               break;
+
+       case 0x8003:
+               type = CPU_7447A;
+               break;
+
+       case 0x8004:
+               type = CPU_7448;
+               break;
+
        default:
                break;
        }
@@ -90,8 +125,6 @@ get_cpu_type(void)
 #if !defined(CONFIG_BAB7xx)
 int checkcpu (void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
-
        uint type   = get_cpu_type();
        uint pvr    = get_pvr();
        ulong clock = gd->cpu_clk;
@@ -111,6 +144,14 @@ int checkcpu (void)
                str = "750";
                break;
 
+       case CPU_750FX:
+               str = "750FX";
+               break;
+
+       case CPU_750GX:
+               str = "750GX";
+               break;
+
        case CPU_755:
                str = "755";
                break;
@@ -119,16 +160,32 @@ int checkcpu (void)
                str = "MPC7400";
                break;
 
-        case CPU_7410:
-                str = "MPC7410";
+       case CPU_7410:
+               str = "MPC7410";
+               break;
+
+       case CPU_7447A:
+               str = "MPC7447A";
+               break;
+
+       case CPU_7448:
+               str = "MPC7448";
+               break;
+
+       case CPU_7450:
+               str = "MPC7450";
                break;
 
-        case CPU_7450:
-                str = "MPC7450";
+       case CPU_7455:
+               str = "MPC7455";
+               break;
+
+       case CPU_7457:
+               str = "MPC7457";
                break;
 
        default:
-                printf("Unknown CPU -- PVR: 0x%08x\n", pvr);
+               printf("Unknown CPU -- PVR: 0x%08x\n", pvr);
                return -1;
        }
 
@@ -141,8 +198,8 @@ PR_CLK:
 #endif
 /* these two functions are unimplemented currently [josh] */
 
-/* ------------------------------------------------------------------------- */
-/* L1 i-cache                                                                */
+/* -------------------------------------------------------------------- */
+/* L1 i-cache                                                          */
 
 int
 checkicache(void)
@@ -150,8 +207,8 @@ checkicache(void)
        return 0; /* XXX */
 }
 
-/* ------------------------------------------------------------------------- */
-/* L1 d-cache                                                                */
+/* -------------------------------------------------------------------- */
+/* L1 d-cache                                                          */
 
 int
 checkdcache(void)
@@ -159,7 +216,7 @@ checkdcache(void)
        return 0; /* XXX */
 }
 
-/* ------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------- */
 
 static inline void
 soft_restart(unsigned long addr)
@@ -178,12 +235,13 @@ soft_restart(unsigned long addr)
 
 #if !defined(CONFIG_PCIPPC2) && \
     !defined(CONFIG_BAB7xx)  && \
-    !defined(CONFIG_ELPPC)
+    !defined(CONFIG_ELPPC)   && \
+    !defined(CONFIG_PPMC7XX)
 /* no generic way to do board reset. simply call soft_reset. */
 void
-do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-       ulong addr;
+       ulong addr;
        /* flush and disable I/D cache */
        __asm__ __volatile__ ("mfspr    3, 1008"        ::: "r3");
        __asm__ __volatile__ ("ori      5, 5, 0xcc00"   ::: "r5");
@@ -218,14 +276,19 @@ do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 /*
  * For the 7400 the TB clock runs at 1/4 the cpu bus speed.
  */
-unsigned long
-get_tbclk (void)
+#if defined(CONFIG_AMIGAONEG3SE) || defined(CFG_CONFIG_BUS_CLK)
+unsigned long get_tbclk(void)
 {
-       return CFG_BUS_HZ / 4;
+       return (gd->bus_clk / 4);
 }
+#else  /* ! CONFIG_AMIGAONEG3SE and !CFG_CONFIG_BUS_CLK*/
 
+unsigned long get_tbclk (void)
+{
+       return CFG_BUS_HZ / 4;
+}
+#endif /* CONFIG_AMIGAONEG3SE or CFG_CONFIG_BUS_CLK*/
 /* ------------------------------------------------------------------------- */
-
 #if defined(CONFIG_WATCHDOG)
 #if !defined(CONFIG_PCIPPC2) && !defined(CONFIG_BAB7xx)
 void
@@ -237,3 +300,30 @@ watchdog_reset(void)
 #endif /* CONFIG_WATCHDOG */
 
 /* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_OF_FLAT_TREE
+void
+ft_cpu_setup (void *blob, bd_t *bd)
+{
+       u32 *p;
+       ulong clock;
+       int len;
+
+       clock = bd->bi_busfreq;
+
+       p = ft_get_prop (blob, "/cpus/" OF_CPU "/bus-frequency", &len);
+       if (p != NULL)
+               *p = cpu_to_be32 (clock);
+
+#if defined(CONFIG_TSI108_ETH)
+       p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6200/address", &len);
+               memcpy (p, bd->bi_enetaddr, 6);
+#endif
+
+#if defined(CONFIG_HAS_ETH1)
+       p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6600/address", &len);
+               memcpy (p, bd->bi_enet1addr, 6);
+#endif
+}
+#endif
+/* ------------------------------------------------------------------------- */