This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / powerpc / platforms / 82xx / mpc82xx.c

diff --git a/arch/powerpc/platforms/82xx/mpc82xx.c b/arch/powerpc/platforms/82xx/mpc82xx.c
new file mode 100644 (file)
index 0000000..0f5b30d
--- /dev/null
+++ b/arch/powerpc/platforms/82xx/mpc82xx.c
@@ -0,0 +1,110 @@
+/*
+ * MPC82xx setup and early boot code plus other random bits.
+ *
+ * Author: Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * Copyright (c) 2006 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/initrd.h>
+#include <linux/module.h>
+#include <linux/fsl_devices.h>
+#include <linux/fs_uart_pd.h>
+
+#include <asm/system.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/bootinfo.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpc8260.h>
+#include <asm/irq.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/cpm2.h>
+#include <asm/udbg.h>
+#include <asm/i8259.h>
+#include <linux/fs_enet_pd.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/cpm2_pic.h>
+
+#include "pq2ads_pd.h"
+
+static int __init get_freq(char *name, unsigned long *val)
+{
+       struct device_node *cpu;
+       unsigned int *fp;
+       int found = 0;
+
+       /* The cpu node should have timebase and clock frequency properties */
+       cpu = of_find_node_by_type(NULL, "cpu");
+
+       if (cpu) {
+               fp = (unsigned int *)get_property(cpu, name, NULL);
+               if (fp) {
+                       found = 1;
+                       *val = *fp++;
+               }
+
+               of_node_put(cpu);
+       }
+
+       return found;
+}
+
+void __init m82xx_calibrate_decr(void)
+{
+       ppc_tb_freq = 125000000;
+       if (!get_freq("bus-frequency", &ppc_tb_freq)) {
+               printk(KERN_ERR "WARNING: Estimating decrementer frequency "
+                               "(not found)\n");
+       }
+       ppc_tb_freq /= 4;
+       ppc_proc_freq = 1000000000;
+       if (!get_freq("clock-frequency", &ppc_proc_freq))
+               printk(KERN_ERR "WARNING: Estimating processor frequency"
+                               "(not found)\n");
+}
+
+void mpc82xx_ads_show_cpuinfo(struct seq_file *m)
+{
+       uint pvid, svid, phid1;
+       uint memsize = total_memory;
+
+       pvid = mfspr(SPRN_PVR);
+       svid = mfspr(SPRN_SVR);
+
+       seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
+       seq_printf(m, "Machine\t\t: %s\n", CPUINFO_MACHINE);
+       seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
+       seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+
+       /* Display cpu Pll setting */
+       phid1 = mfspr(SPRN_HID1);
+       seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
+
+       /* Display the amount of memory */
+       seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
+}