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Diffstat (limited to 'arch/ppc/syslib/m8260_setup.c')
-rw-r--r--arch/ppc/syslib/m8260_setup.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/arch/ppc/syslib/m8260_setup.c b/arch/ppc/syslib/m8260_setup.c
deleted file mode 100644
index b40583724de3..000000000000
--- a/arch/ppc/syslib/m8260_setup.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * Copyright (C) 1995 Linus Torvalds
- * Adapted from 'alpha' version by Gary Thomas
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * Modified for MBX using prep/chrp/pmac functions by Dan (dmalek@jlc.net)
- * Further modified for generic 8xx and 8260 by Dan.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/initrd.h>
-#include <linux/root_dev.h>
-#include <linux/seq_file.h>
-#include <linux/irq.h>
-
-#include <asm/mmu.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/mpc8260.h>
-#include <asm/cpm2.h>
-#include <asm/machdep.h>
-#include <asm/bootinfo.h>
-#include <asm/time.h>
-#include <asm/ppc_sys.h>
-
-#include "cpm2_pic.h"
-
-unsigned char __res[sizeof(bd_t)];
-
-extern void pq2_find_bridges(void);
-extern void pq2pci_init_irq(void);
-extern void idma_pci9_init(void);
-
-/* Place-holder for board-specific init */
-void __attribute__ ((weak)) __init
-m82xx_board_setup(void)
-{
-}
-
-static void __init
-m8260_setup_arch(void)
-{
- /* Print out Vendor and Machine info. */
- printk(KERN_INFO "%s %s port\n", CPUINFO_VENDOR, CPUINFO_MACHINE);
-
- /* Reset the Communication Processor Module. */
- cpm2_reset();
-#ifdef CONFIG_8260_PCI9
- /* Initialise IDMA for PCI erratum workaround */
- idma_pci9_init();
-#endif
-#ifdef CONFIG_PCI_8260
- pq2_find_bridges();
-#endif
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start)
- ROOT_DEV = Root_RAM0;
-#endif
-
- identify_ppc_sys_by_name_and_id(BOARD_CHIP_NAME,
- in_be32((void *)CPM_MAP_ADDR + CPM_IMMR_OFFSET));
-
- m82xx_board_setup();
-}
-
-/* The decrementer counts at the system (internal) clock frequency
- * divided by four.
- */
-static void __init
-m8260_calibrate_decr(void)
-{
- bd_t *binfo = (bd_t *)__res;
- int freq, divisor;
-
- freq = binfo->bi_busfreq;
- divisor = 4;
- tb_ticks_per_jiffy = freq / HZ / divisor;
- tb_to_us = mulhwu_scale_factor(freq / divisor, 1000000);
-}
-
-/* The 8260 has an internal 1-second timer update register that
- * we should use for this purpose.
- */
-static uint rtc_time;
-
-static int
-m8260_set_rtc_time(unsigned long time)
-{
- rtc_time = time;
-
- return(0);
-}
-
-static unsigned long
-m8260_get_rtc_time(void)
-{
- /* Get time from the RTC.
- */
- return((unsigned long)rtc_time);
-}
-
-#ifndef BOOTROM_RESTART_ADDR
-#warning "Using default BOOTROM_RESTART_ADDR!"
-#define BOOTROM_RESTART_ADDR 0xff000104
-#endif
-
-static void
-m8260_restart(char *cmd)
-{
- extern void m8260_gorom(bd_t *bi, uint addr);
- uint startaddr;
-
- /* Most boot roms have a warmstart as the second instruction
- * of the reset vector. If that doesn't work for you, change this
- * or the reboot program to send a proper address.
- */
- startaddr = BOOTROM_RESTART_ADDR;
- if (cmd != NULL) {
- if (!strncmp(cmd, "startaddr=", 10))
- startaddr = simple_strtoul(&cmd[10], NULL, 0);
- }
-
- m8260_gorom((void*)__pa(__res), startaddr);
-}
-
-static void
-m8260_halt(void)
-{
- local_irq_disable();
- while (1);
-}
-
-static void
-m8260_power_off(void)
-{
- m8260_halt();
-}
-
-static int
-m8260_show_cpuinfo(struct seq_file *m)
-{
- bd_t *bp = (bd_t *)__res;
-
- seq_printf(m, "vendor\t\t: %s\n"
- "machine\t\t: %s\n"
- "\n"
- "mem size\t\t: 0x%08lx\n"
- "console baud\t\t: %ld\n"
- "\n"
- "core clock\t: %lu MHz\n"
- "CPM clock\t: %lu MHz\n"
- "bus clock\t: %lu MHz\n",
- CPUINFO_VENDOR, CPUINFO_MACHINE, bp->bi_memsize,
- bp->bi_baudrate, bp->bi_intfreq / 1000000,
- bp->bi_cpmfreq / 1000000, bp->bi_busfreq / 1000000);
- return 0;
-}
-
-/* Initialize the internal interrupt controller. The number of
- * interrupts supported can vary with the processor type, and the
- * 8260 family can have up to 64.
- * External interrupts can be either edge or level triggered, and
- * need to be initialized by the appropriate driver.
- */
-static void __init
-m8260_init_IRQ(void)
-{
- cpm2_init_IRQ();
-
- /* Initialize the default interrupt mapping priorities,
- * in case the boot rom changed something on us.
- */
- cpm2_immr->im_intctl.ic_siprr = 0x05309770;
-}
-
-/*
- * Same hack as 8xx
- */
-static unsigned long __init
-m8260_find_end_of_memory(void)
-{
- bd_t *binfo = (bd_t *)__res;
-
- return binfo->bi_memsize;
-}
-
-/* Map the IMMR, plus anything else we can cover
- * in that upper space according to the memory controller
- * chip select mapping. Grab another bunch of space
- * below that for stuff we can't cover in the upper.
- */
-static void __init
-m8260_map_io(void)
-{
- uint addr;
-
- /* Map IMMR region to a 256MB BAT */
- addr = (cpm2_immr != NULL) ? (uint)cpm2_immr : CPM_MAP_ADDR;
- io_block_mapping(addr, addr, 0x10000000, _PAGE_IO);
-
- /* Map I/O region to a 256MB BAT */
- io_block_mapping(IO_VIRT_ADDR, IO_PHYS_ADDR, 0x10000000, _PAGE_IO);
-}
-
-/* Place-holder for board-specific ppc_md hooking */
-void __attribute__ ((weak)) __init
-m82xx_board_init(void)
-{
-}
-
-/* Inputs:
- * 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
-platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
-{
- parse_bootinfo(find_bootinfo());
-
- if ( r3 )
- memcpy( (void *)__res,(void *)(r3+KERNELBASE), sizeof(bd_t) );
-
-#ifdef CONFIG_BLK_DEV_INITRD
- /* take care of initrd if we have one */
- if ( r4 ) {
- initrd_start = r4 + KERNELBASE;
- initrd_end = r5 + KERNELBASE;
- }
-#endif /* CONFIG_BLK_DEV_INITRD */
- /* take care of cmd line */
- if ( r6 ) {
- *(char *)(r7+KERNELBASE) = 0;
- strcpy(cmd_line, (char *)(r6+KERNELBASE));
- }
-
- ppc_md.setup_arch = m8260_setup_arch;
- ppc_md.show_cpuinfo = m8260_show_cpuinfo;
- ppc_md.init_IRQ = m8260_init_IRQ;
- ppc_md.get_irq = cpm2_get_irq;
-
- ppc_md.restart = m8260_restart;
- ppc_md.power_off = m8260_power_off;
- ppc_md.halt = m8260_halt;
-
- ppc_md.set_rtc_time = m8260_set_rtc_time;
- ppc_md.get_rtc_time = m8260_get_rtc_time;
- ppc_md.calibrate_decr = m8260_calibrate_decr;
-
- ppc_md.find_end_of_memory = m8260_find_end_of_memory;
- ppc_md.setup_io_mappings = m8260_map_io;
-
- /* Call back for board-specific settings and overrides. */
- m82xx_board_init();
-}