]> git.sur5r.net Git - u-boot/blobdiff - cpu/mpc86xx/cpu.c
MPC86xx: fix build warnings
[u-boot] / cpu / mpc86xx / cpu.c
index 504ba624049dc634e633038d6e88094d1a835f51..dc53bee588d46dc10a9fa3f51f4602666e347f7c 100644 (file)
@@ -1,6 +1,6 @@
 /*
- * Copyright 2004 Freescale Semiconductor
- * Jeff Brown (jeffrey@freescale.com)
+ * Copyright 2006 Freescale Semiconductor
+ * Jeff Brown
  * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
  *
  * See file CREDITS for list of people who contributed to this
 #include <watchdog.h>
 #include <command.h>
 #include <asm/cache.h>
+#include <asm/mmu.h>
 #include <mpc86xx.h>
-
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-
-#include "../board/mpc8641hpcn/pixis.h"
+#include <tsec.h>
+#include <asm/fsl_law.h>
 
 
-int checkcpu (void)
+int
+checkcpu(void)
 {
        sys_info_t sysinfo;
        uint pvr, svr;
        uint ver;
        uint major, minor;
-       uint lcrr;              /* local bus clock ratio register */
-       uint clkdiv;            /* clock divider portion of lcrr */
+       volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+       volatile ccsr_gur_t *gur = &immap->im_gur;
 
        puts("Freescale PowerPC\n");
 
@@ -52,31 +50,40 @@ int checkcpu (void)
        minor = PVR_MIN(pvr);
 
        puts("CPU:\n");
-
-       printf("    Core: ");
+       puts("    Core: ");
 
        switch (ver) {
        case PVR_VER(PVR_86xx):
-           puts("E600");
-           break;
+       {
+               uint msscr0 = mfspr(MSSCR0);
+               printf("E600 Core %d", (msscr0 & 0x20) ? 1 : 0 );
+               if (gur->pordevsr & MPC86xx_PORDEVSR_CORE1TE)
+                       puts("\n    Core1Translation Enabled");
+               debug(" (MSSCR0=%x, PORDEVSR=%x)", msscr0, gur->pordevsr);
+       }
+       break;
        default:
-           puts("Unknown");
-           break;
+               puts("Unknown");
+               break;
        }
        printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
 
        svr = get_svr();
-       ver = SVR_VER(svr);
+       ver = SVR_SOC_VER(svr);
        major = SVR_MAJ(svr);
        minor = SVR_MIN(svr);
 
        puts("    System: ");
        switch (ver) {
        case SVR_8641:
-               puts("8641");
-               break;
-       case SVR_8641D:
+           if (SVR_SUBVER(svr) == 1) {
                puts("8641D");
+           } else {
+               puts("8641");
+           }
+           break;
+       case SVR_8610:
+               puts("8610");
                break;
        default:
                puts("Unknown");
@@ -91,29 +98,18 @@ int checkcpu (void)
        printf("MPX:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
        printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
 
-#if defined(CFG_LBC_LCRR)
-       lcrr = CFG_LBC_LCRR;
-#else
-       {
-           volatile immap_t *immap = (immap_t *)CFG_IMMR;
-           volatile ccsr_lbc_t *lbc= &immap->im_lbc;
-
-           lcrr = lbc->lcrr;
-       }
-#endif
-       clkdiv = lcrr & 0x0f;
-       if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
-               printf("LBC:%4lu MHz\n",
-                      sysinfo.freqSystemBus / 1000000 / clkdiv);
+       if (sysinfo.freqLocalBus > LCRR_CLKDIV) {
+               printf("LBC:%4lu MHz\n", sysinfo.freqLocalBus / 1000000);
        } else {
-               printf("    LBC: unknown (lcrr: 0x%08x)\n", lcrr);
+               printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
+                      sysinfo.freqLocalBus);
        }
 
-       printf("    L2: ");
+       puts("    L2: ");
        if (get_l2cr() & 0x80000000)
-               printf("Enabled\n");
+               puts("Enabled\n");
        else
-               printf("Disabled\n");
+               puts("Disabled\n");
 
        return 0;
 }
@@ -122,11 +118,12 @@ int checkcpu (void)
 static inline void
 soft_restart(unsigned long addr)
 {
+#if !defined(CONFIG_MPC8641HPCN) && !defined(CONFIG_MPC8610HPCD)
 
-#ifndef CONFIG_MPC8641HPCN
-
-       /* SRR0 has system reset vector, SRR1 has default MSR value */
-       /* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
+       /*
+        * SRR0 has system reset vector, SRR1 has default MSR value
+        * rfi restores MSR from SRR1 and sets the PC to the SRR0 value
+        */
 
        __asm__ __volatile__ ("mtspr    26, %0"         :: "r" (addr));
        __asm__ __volatile__ ("li       4, (1 << 6)"    ::: "r4");
@@ -134,9 +131,12 @@ soft_restart(unsigned long addr)
        __asm__ __volatile__ ("rfi");
 
 #else /* CONFIG_MPC8641HPCN */
-       out8(PIXIS_BASE+PIXIS_RST,0);
+
+       out8(PIXIS_BASE + PIXIS_RST, 0);
+
 #endif /* !CONFIG_MPC8641HPCN */
-       while(1);       /* not reached */
+
+       while (1) ;             /* not reached */
 }
 
 
@@ -146,24 +146,20 @@ soft_restart(unsigned long addr)
 void
 do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-       char cmd;
-       ulong addr, val;
-       ulong corepll;
+#if !defined(CONFIG_MPC8641HPCN) && !defined(CONFIG_MPC8610HPCD)
 
-#ifdef CFG_RESET_ADDRESS
-       addr = CFG_RESET_ADDRESS;
+#ifdef CONFIG_SYS_RESET_ADDRESS
+       ulong addr = CONFIG_SYS_RESET_ADDRESS;
 #else
        /*
-        * note: when CFG_MONITOR_BASE points to a RAM address,
-        * CFG_MONITOR_BASE - sizeof (ulong) is usually a valid
+        * note: when CONFIG_SYS_MONITOR_BASE points to a RAM address,
+        * CONFIG_SYS_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.
+        * system and assign it to CONFIG_SYS_RESET_ADDRESS.
         */
-       addr = CFG_MONITOR_BASE - sizeof (ulong);
+       ulong addr = CONFIG_SYS_MONITOR_BASE - sizeof(ulong);
 #endif
 
-#ifndef CONFIG_MPC8641HPCN
-
        /* flush and disable I/D cache */
        __asm__ __volatile__ ("mfspr    3, 1008"        ::: "r3");
        __asm__ __volatile__ ("ori      5, 5, 0xcc00"   ::: "r5");
@@ -181,99 +177,21 @@ do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 #else /* CONFIG_MPC8641HPCN */
 
-       if (argc > 1) {
-               cmd = argv[1][1];
-               switch(cmd) {
-               case 'f':    /* reset with frequency changed */
-                       if (argc < 5)
-                               goto my_usage;
-                       read_from_px_regs(0);
-
-                       val = set_px_sysclk(simple_strtoul(argv[2],NULL,10));
-
-                       corepll = strfractoint(argv[3]);
-                       val = val + set_px_corepll(corepll);
-                       val = val + set_px_mpxpll(simple_strtoul(argv[4],
-                                                                NULL, 10));
-                       if (val == 3) {
-                               printf("Setting registers VCFGEN0 and VCTL\n");
-                               read_from_px_regs(1);
-                               printf("Resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL ....\n");
-                               set_px_go();
-                       } else
-                               goto my_usage;
-
-                       while (1); /* Not reached */
-
-               case 'l':
-                       if (argv[2][1] == 'f') {
-                               read_from_px_regs(0);
-                               read_from_px_regs_altbank(0);
-                               /* reset with frequency changed */
-                               val = set_px_sysclk(simple_strtoul(argv[3],NULL,10));
-
-                               corepll = strfractoint(argv[4]);
-                               val = val + set_px_corepll(corepll);
-                               val = val + set_px_mpxpll(simple_strtoul(argv[5],NULL,10));
-                               if (val == 3) {
-                                       printf("Setting registers VCFGEN0, VCFGEN1, VBOOT, and VCTL\n");
-                                       set_altbank();
-                                       read_from_px_regs(1);
-                                       read_from_px_regs_altbank(1);
-                                       printf("Enabling watchdog timer on the FPGA and resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL to boot from the other bank ....\n");
-                                       set_px_go_with_watchdog();
-                               } else
-                                       goto my_usage;
-
-                               while(1); /* Not reached */
-                       } else if(argv[2][1] == 'd'){
-                               /* Reset from next bank without changing frequencies but with watchdog timer enabled */
-                               read_from_px_regs(0);
-                               read_from_px_regs_altbank(0);
-                               printf("Setting registers VCFGEN1, VBOOT, and VCTL\n");
-                               set_altbank();
-                               read_from_px_regs_altbank(1);
-                               printf("Enabling watchdog timer on the FPGA and resetting board to boot from the other bank....\n");
-                               set_px_go_with_watchdog();
-                               while(1); /* Not reached */
-                       } else {
-                               /* Reset from next bank without changing frequency and without watchdog timer enabled */
-                               read_from_px_regs(0);
-                               read_from_px_regs_altbank(0);
-                               if(argc > 2)
-                                       goto my_usage;
-                               printf("Setting registers VCFGNE1, VBOOT, and VCTL\n");
-                               set_altbank();
-                               read_from_px_regs_altbank(1);
-                               printf("Resetting board to boot from the other bank....\n");
-                               set_px_go();
-                       }
-
-               default:
-                       goto my_usage;
-               }
-
-my_usage:
-               printf("\nUsage: reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>\n");
-               printf("       reset altbank [cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>]\n");
-               printf("For example:   reset cf 40 2.5 10\n");
-               printf("See MPC8641HPCN Design Workbook for valid values of command line parameters.\n");
-               return;
-       } else
-               out8(PIXIS_BASE+PIXIS_RST,0);
+       out8(PIXIS_BASE + PIXIS_RST, 0);
 
 #endif /* !CONFIG_MPC8641HPCN */
 
-       while(1);       /* not reached */
+       while (1) ;             /* not reached */
 }
 
 
 /*
  * Get timebase clock frequency
  */
-unsigned long get_tbclk(void)
+unsigned long
+get_tbclk(void)
 {
-       sys_info_t  sys_info;
+       sys_info_t sys_info;
 
        get_sys_info(&sys_info);
        return (sys_info.freqSystemBus + 3L) / 4L;
@@ -284,14 +202,29 @@ unsigned long get_tbclk(void)
 void
 watchdog_reset(void)
 {
+#if defined(CONFIG_MPC8610)
+       /*
+        * This actually feed the hard enabled watchdog.
+        */
+       volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+       volatile ccsr_wdt_t *wdt = &immap->im_wdt;
+       volatile ccsr_gur_t *gur = &immap->im_gur;
+       u32 tmp = gur->pordevsr;
+
+       if (tmp & 0x4000) {
+               wdt->swsrr = 0x556c;
+               wdt->swsrr = 0xaa39;
+       }
+#endif
 }
 #endif /* CONFIG_WATCHDOG */
 
 
 #if defined(CONFIG_DDR_ECC)
-void dma_init(void)
+void
+dma_init(void)
 {
-       volatile immap_t *immap = (immap_t *)CFG_IMMR;
+       volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
        volatile ccsr_dma_t *dma = &immap->im_dma;
 
        dma->satr0 = 0x00040000;
@@ -299,26 +232,28 @@ void dma_init(void)
        asm("sync; isync");
 }
 
-uint dma_check(void)
+uint
+dma_check(void)
 {
-       volatile immap_t *immap = (immap_t *)CFG_IMMR;
+       volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
        volatile ccsr_dma_t *dma = &immap->im_dma;
        volatile uint status = dma->sr0;
 
        /* While the channel is busy, spin */
-       while((status & 4) == 4) {
+       while ((status & 4) == 4) {
                status = dma->sr0;
        }
 
        if (status != 0) {
-               printf ("DMA Error: status = %x\n", status);
+               printf("DMA Error: status = %x\n", status);
        }
        return status;
 }
 
-int dma_xfer(void *dest, uint count, void *src)
+int
+dma_xfer(void *dest, uint count, void *src)
 {
-       volatile immap_t *immap = (immap_t *)CFG_IMMR;
+       volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
        volatile ccsr_dma_t *dma = &immap->im_dma;
 
        dma->dar0 = (uint) dest;
@@ -334,45 +269,39 @@ int dma_xfer(void *dest, uint count, void *src)
 #endif /* CONFIG_DDR_ECC */
 
 
-#ifdef CONFIG_OF_FLAT_TREE
-void ft_cpu_setup(void *blob, bd_t *bd)
+/*
+ * Print out the state of various machine registers.
+ * Currently prints out LAWs, BR0/OR0, and BATs
+ */
+void mpc86xx_reginfo(void)
 {
-       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);
-
-       p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
-       if (p != NULL)
-               *p = cpu_to_be32(clock);
-
-       p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
-       if (p != NULL)
-               *p = cpu_to_be32(clock);
-
-#if defined(CONFIG_MPC86XX_TSEC1)
-       p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len);
-       memcpy(p, bd->bi_enetaddr, 6);
-#endif
-
-#if defined(CONFIG_MPC86XX_TSEC2)
-       p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len);
-       memcpy(p, bd->bi_enet1addr, 6);
-#endif
+       immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+       ccsr_lbc_t *lbc = &immap->im_lbc;
+
+       print_bats();
+       print_laws();
+
+       printf ("Local Bus Controller Registers\n"
+               "\tBR0\t0x%08X\tOR0\t0x%08X \n", in_be32(&lbc->br0), in_be32(&lbc->or0));
+       printf("\tBR1\t0x%08X\tOR1\t0x%08X \n", in_be32(&lbc->br1), in_be32(&lbc->or1));
+       printf("\tBR2\t0x%08X\tOR2\t0x%08X \n", in_be32(&lbc->br2), in_be32(&lbc->or2));
+       printf("\tBR3\t0x%08X\tOR3\t0x%08X \n", in_be32(&lbc->br3), in_be32(&lbc->or3));
+       printf("\tBR4\t0x%08X\tOR4\t0x%08X \n", in_be32(&lbc->br4), in_be32(&lbc->or4));
+       printf("\tBR5\t0x%08X\tOR5\t0x%08X \n", in_be32(&lbc->br5), in_be32(&lbc->or5));
+       printf("\tBR6\t0x%08X\tOR6\t0x%08X \n", in_be32(&lbc->br6), in_be32(&lbc->or6));
+       printf("\tBR7\t0x%08X\tOR7\t0x%08X \n", in_be32(&lbc->br7), in_be32(&lbc->or7));
 
-#if defined(CONFIG_MPC86XX_TSEC3)
-       p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/address", &len);
-       memcpy(p, bd->bi_enet2addr, 6);
-#endif
+}
 
-#if defined(CONFIG_MPC86XX_TSEC4)
-       p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/address", &len);
-        memcpy(p, bd->bi_enet3addr, 6);
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_TSEC_ENET)
+       tsec_standard_init(bis);
 #endif
 
+       return 0;
 }
-#endif