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-rw-r--r--arch/ppc/syslib/ppc4xx_setup.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/arch/ppc/syslib/ppc4xx_setup.c b/arch/ppc/syslib/ppc4xx_setup.c
deleted file mode 100644
index 353d746b47e1..000000000000
--- a/arch/ppc/syslib/ppc4xx_setup.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- *
- * Copyright (c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
- *
- * Copyright 2000-2001 MontaVista Software Inc.
- * Completed implementation.
- * Author: MontaVista Software, Inc. <source@mvista.com>
- * Frank Rowand <frank_rowand@mvista.com>
- * Debbie Chu <debbie_chu@mvista.com>
- * Further modifications by Armin Kuster
- *
- * Module name: ppc4xx_setup.c
- *
- */
-
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/threads.h>
-#include <linux/spinlock.h>
-#include <linux/reboot.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/initrd.h>
-#include <linux/pci.h>
-#include <linux/rtc.h>
-#include <linux/console.h>
-#include <linux/serial_reg.h>
-#include <linux/seq_file.h>
-
-#include <asm/system.h>
-#include <asm/processor.h>
-#include <asm/machdep.h>
-#include <asm/page.h>
-#include <asm/kgdb.h>
-#include <asm/ibm4xx.h>
-#include <asm/time.h>
-#include <asm/todc.h>
-#include <asm/ppc4xx_pic.h>
-#include <asm/pci-bridge.h>
-#include <asm/bootinfo.h>
-
-#include <syslib/gen550.h>
-
-/* Function Prototypes */
-extern void abort(void);
-extern void ppc4xx_find_bridges(void);
-
-/* Global Variables */
-bd_t __res;
-
-void __init
-ppc4xx_setup_arch(void)
-{
-#if !defined(CONFIG_BDI_SWITCH)
- /*
- * The Abatron BDI JTAG debugger does not tolerate others
- * mucking with the debug registers.
- */
- mtspr(SPRN_DBCR0, (DBCR0_IDM));
- mtspr(SPRN_DBSR, 0xffffffff);
-#endif
-
- /* Setup PCI host bridges */
-#ifdef CONFIG_PCI
- ppc4xx_find_bridges();
-#endif
-}
-
-/*
- * This routine pretty-prints the platform's internal CPU clock
- * frequencies into the buffer for usage in /proc/cpuinfo.
- */
-
-static int
-ppc4xx_show_percpuinfo(struct seq_file *m, int i)
-{
- seq_printf(m, "clock\t\t: %ldMHz\n", (long)__res.bi_intfreq / 1000000);
-
- return 0;
-}
-
-/*
- * This routine pretty-prints the platform's internal bus clock
- * frequencies into the buffer for usage in /proc/cpuinfo.
- */
-static int
-ppc4xx_show_cpuinfo(struct seq_file *m)
-{
- bd_t *bip = &__res;
-
- seq_printf(m, "machine\t\t: %s\n", PPC4xx_MACHINE_NAME);
- seq_printf(m, "plb bus clock\t: %ldMHz\n",
- (long) bip->bi_busfreq / 1000000);
-#ifdef CONFIG_PCI
- seq_printf(m, "pci bus clock\t: %dMHz\n",
- bip->bi_pci_busfreq / 1000000);
-#endif
-
- return 0;
-}
-
-/*
- * Return the virtual address representing the top of physical RAM.
- */
-static unsigned long __init
-ppc4xx_find_end_of_memory(void)
-{
- return ((unsigned long) __res.bi_memsize);
-}
-
-void __init
-ppc4xx_map_io(void)
-{
- io_block_mapping(PPC4xx_ONB_IO_VADDR,
- PPC4xx_ONB_IO_PADDR, PPC4xx_ONB_IO_SIZE, _PAGE_IO);
-#ifdef CONFIG_PCI
- io_block_mapping(PPC4xx_PCI_IO_VADDR,
- PPC4xx_PCI_IO_PADDR, PPC4xx_PCI_IO_SIZE, _PAGE_IO);
- io_block_mapping(PPC4xx_PCI_CFG_VADDR,
- PPC4xx_PCI_CFG_PADDR, PPC4xx_PCI_CFG_SIZE, _PAGE_IO);
- io_block_mapping(PPC4xx_PCI_LCFG_VADDR,
- PPC4xx_PCI_LCFG_PADDR, PPC4xx_PCI_LCFG_SIZE, _PAGE_IO);
-#endif
-}
-
-void __init
-ppc4xx_init_IRQ(void)
-{
- ppc4xx_pic_init();
-}
-
-static void
-ppc4xx_restart(char *cmd)
-{
- printk("%s\n", cmd);
- abort();
-}
-
-static void
-ppc4xx_power_off(void)
-{
- printk("System Halted\n");
- local_irq_disable();
- while (1) ;
-}
-
-static void
-ppc4xx_halt(void)
-{
- printk("System Halted\n");
- local_irq_disable();
- while (1) ;
-}
-
-/*
- * This routine retrieves the internal processor frequency from the board
- * information structure, sets up the kernel timer decrementer based on
- * that value, enables the 4xx programmable interval timer (PIT) and sets
- * it up for auto-reload.
- */
-static void __init
-ppc4xx_calibrate_decr(void)
-{
- unsigned int freq;
- bd_t *bip = &__res;
-
-#if defined(CONFIG_WALNUT) || defined(CONFIG_SYCAMORE)
- /* Walnut boot rom sets DCR CHCR1 (aka CPC0_CR1) bit CETE to 1 */
- mtdcr(DCRN_CHCR1, mfdcr(DCRN_CHCR1) & ~CHR1_CETE);
-#endif
- freq = bip->bi_tbfreq;
- tb_ticks_per_jiffy = freq / HZ;
- tb_to_us = mulhwu_scale_factor(freq, 1000000);
-
- /* Set the time base to zero.
- ** At 200 Mhz, time base will rollover in ~2925 years.
- */
-
- mtspr(SPRN_TBWL, 0);
- mtspr(SPRN_TBWU, 0);
-
- /* Clear any pending timer interrupts */
-
- mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_PIS | TSR_FIS);
- mtspr(SPRN_TCR, TCR_PIE | TCR_ARE);
-
- /* Set the PIT reload value and just let it run. */
- mtspr(SPRN_PIT, tb_ticks_per_jiffy);
-}
-
-TODC_ALLOC();
-
-/*
- * Input(s):
- * r3 - Optional pointer to a board information structure.
- * r4 - Optional pointer to the physical starting address of the init RAM
- * disk.
- * r5 - Optional pointer to the physical ending address of the init RAM
- * disk.
- * r6 - Optional pointer to the physical starting address of any kernel
- * command-line parameters.
- * r7 - Optional pointer to the physical ending address of any kernel
- * command-line parameters.
- */
-void __init
-ppc4xx_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
-{
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3)
- __res = *(bd_t *)(r3 + KERNELBASE);
-
-#if defined(CONFIG_BLK_DEV_INITRD)
- /*
- * If the init RAM disk has been configured in, and there's a valid
- * starting address for it, set it up.
- */
- if (r4) {
- initrd_start = r4 + KERNELBASE;
- initrd_end = r5 + KERNELBASE;
- }
-#endif /* CONFIG_BLK_DEV_INITRD */
-
- /* Copy the kernel command line arguments to a safe place. */
-
- if (r6) {
- *(char *) (r7 + KERNELBASE) = 0;
- strcpy(cmd_line, (char *) (r6 + KERNELBASE));
- }
-
- /* Initialize machine-dependent vectors */
-
- ppc_md.setup_arch = ppc4xx_setup_arch;
- ppc_md.show_percpuinfo = ppc4xx_show_percpuinfo;
- ppc_md.show_cpuinfo = ppc4xx_show_cpuinfo;
- ppc_md.init_IRQ = ppc4xx_init_IRQ;
-
- ppc_md.restart = ppc4xx_restart;
- ppc_md.power_off = ppc4xx_power_off;
- ppc_md.halt = ppc4xx_halt;
-
- ppc_md.calibrate_decr = ppc4xx_calibrate_decr;
-
- ppc_md.find_end_of_memory = ppc4xx_find_end_of_memory;
- ppc_md.setup_io_mappings = ppc4xx_map_io;
-
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
-#endif
-}
-
-/* Called from machine_check_exception */
-void platform_machine_check(struct pt_regs *regs)
-{
-#if defined(DCRN_PLB0_BEAR)
- printk("PLB0: BEAR= 0x%08x ACR= 0x%08x BESR= 0x%08x\n",
- mfdcr(DCRN_PLB0_BEAR), mfdcr(DCRN_PLB0_ACR),
- mfdcr(DCRN_PLB0_BESR));
-#endif
-#if defined(DCRN_POB0_BEAR)
- printk("PLB0 to OPB: BEAR= 0x%08x BESR0= 0x%08x BESR1= 0x%08x\n",
- mfdcr(DCRN_POB0_BEAR), mfdcr(DCRN_POB0_BESR0),
- mfdcr(DCRN_POB0_BESR1));
-#endif
-
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.