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Diffstat (limited to 'arch/ppc/platforms/lopec.c')
-rw-r--r--arch/ppc/platforms/lopec.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/arch/ppc/platforms/lopec.c b/arch/ppc/platforms/lopec.c
deleted file mode 100644
index 1e3aa6e9b6c7..000000000000
--- a/arch/ppc/platforms/lopec.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * Setup routines for the Motorola LoPEC.
- *
- * Author: Dan Cox
- * Maintainer: Tom Rini <trini@kernel.crashing.org>
- *
- * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/pci_ids.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/initrd.h>
-#include <linux/console.h>
-#include <linux/root_dev.h>
-#include <linux/pci.h>
-
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/io.h>
-#include <asm/open_pic.h>
-#include <asm/i8259.h>
-#include <asm/todc.h>
-#include <asm/bootinfo.h>
-#include <asm/mpc10x.h>
-#include <asm/hw_irq.h>
-#include <asm/prep_nvram.h>
-#include <asm/kgdb.h>
-
-/*
- * Define all of the IRQ senses and polarities. Taken from the
- * LoPEC Programmer's Reference Guide.
- */
-static u_char lopec_openpic_initsenses[16] __initdata = {
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ 0 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 1 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ 2 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 3 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ 4 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ 5 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 6 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 7 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 8 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 9 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 10 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 11 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* IRQ 12 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* IRQ 13 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_NEGATIVE), /* IRQ 14 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE) /* IRQ 15 */
-};
-
-static inline int __init
-lopec_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
- int irq;
- static char pci_irq_table[][4] = {
- {16, 0, 0, 0}, /* ID 11 - Winbond */
- {22, 0, 0, 0}, /* ID 12 - SCSI */
- {0, 0, 0, 0}, /* ID 13 - nothing */
- {17, 0, 0, 0}, /* ID 14 - 82559 Ethernet */
- {27, 0, 0, 0}, /* ID 15 - USB */
- {23, 0, 0, 0}, /* ID 16 - PMC slot 1 */
- {24, 0, 0, 0}, /* ID 17 - PMC slot 2 */
- {25, 0, 0, 0}, /* ID 18 - PCI slot */
- {0, 0, 0, 0}, /* ID 19 - nothing */
- {0, 0, 0, 0}, /* ID 20 - nothing */
- {0, 0, 0, 0}, /* ID 21 - nothing */
- {0, 0, 0, 0}, /* ID 22 - nothing */
- {0, 0, 0, 0}, /* ID 23 - nothing */
- {0, 0, 0, 0}, /* ID 24 - PMC slot 1b */
- {0, 0, 0, 0}, /* ID 25 - nothing */
- {0, 0, 0, 0} /* ID 26 - PMC Slot 2b */
- };
- const long min_idsel = 11, max_idsel = 26, irqs_per_slot = 4;
-
- irq = PCI_IRQ_TABLE_LOOKUP;
- if (!irq)
- return 0;
-
- return irq;
-}
-
-static void __init
-lopec_setup_winbond_83553(struct pci_controller *hose)
-{
- int devfn;
-
- devfn = PCI_DEVFN(11,0);
-
- /* IDE interrupt routing (primary 14, secondary 15) */
- early_write_config_byte(hose, 0, devfn, 0x43, 0xef);
- /* PCI interrupt routing */
- early_write_config_word(hose, 0, devfn, 0x44, 0x0000);
-
- /* ISA-PCI address decoder */
- early_write_config_byte(hose, 0, devfn, 0x48, 0xf0);
-
- /* RTC, kb, not used in PPC */
- early_write_config_byte(hose, 0, devfn, 0x4d, 0x00);
- early_write_config_byte(hose, 0, devfn, 0x4e, 0x04);
- devfn = PCI_DEVFN(11, 1);
- early_write_config_byte(hose, 0, devfn, 0x09, 0x8f);
- early_write_config_dword(hose, 0, devfn, 0x40, 0x00ff0011);
-}
-
-static void __init
-lopec_find_bridges(void)
-{
- struct pci_controller *hose;
-
- hose = pcibios_alloc_controller();
- if (!hose)
- return;
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- if (mpc10x_bridge_init(hose, MPC10X_MEM_MAP_B, MPC10X_MEM_MAP_B,
- MPC10X_MAPB_EUMB_BASE) == 0) {
-
- hose->mem_resources[0].end = 0xffffffff;
- lopec_setup_winbond_83553(hose);
- hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = lopec_map_irq;
- }
-}
-
-static int
-lopec_show_cpuinfo(struct seq_file *m)
-{
- seq_printf(m, "machine\t\t: Motorola LoPEC\n");
- return 0;
-}
-
-static void
-lopec_restart(char *cmd)
-{
-#define LOPEC_SYSSTAT1 0xffe00000
- /* force a hard reset, if possible */
- unsigned char reg = *((unsigned char *) LOPEC_SYSSTAT1);
- reg |= 0x80;
- *((unsigned char *) LOPEC_SYSSTAT1) = reg;
-
- local_irq_disable();
- while(1);
-#undef LOPEC_SYSSTAT1
-}
-
-static void
-lopec_halt(void)
-{
- local_irq_disable();
- while(1);
-}
-
-static void
-lopec_power_off(void)
-{
- lopec_halt();
-}
-
-static void __init
-lopec_init_IRQ(void)
-{
- int i;
-
- /*
- * Provide the open_pic code with the correct table of interrupts.
- */
- OpenPIC_InitSenses = lopec_openpic_initsenses;
- OpenPIC_NumInitSenses = sizeof(lopec_openpic_initsenses);
-
- mpc10x_set_openpic();
-
- /* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
- openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
- &i8259_irq);
-
- /*
- * The EPIC allows for a read in the range of 0xFEF00000 ->
- * 0xFEFFFFFF to generate a PCI interrupt-acknowledge transaction.
- */
- i8259_init(0xfef00000, 0);
-}
-
-static int __init
-lopec_request_io(void)
-{
- outb(0x00, 0x4d0);
- outb(0xc0, 0x4d1);
-
- request_region(0x00, 0x20, "dma1");
- request_region(0x20, 0x20, "pic1");
- request_region(0x40, 0x20, "timer");
- request_region(0x80, 0x10, "dma page reg");
- request_region(0xa0, 0x20, "pic2");
- request_region(0xc0, 0x20, "dma2");
-
- return 0;
-}
-
-device_initcall(lopec_request_io);
-
-static void __init
-lopec_map_io(void)
-{
- io_block_mapping(0xf0000000, 0xf0000000, 0x10000000, _PAGE_IO);
- io_block_mapping(0xb0000000, 0xb0000000, 0x10000000, _PAGE_IO);
-}
-
-/*
- * Set BAT 3 to map 0xf8000000 to end of physical memory space 1-to-1.
- */
-static __inline__ void
-lopec_set_bat(void)
-{
- mb();
- mtspr(SPRN_DBAT1U, 0xf8000ffe);
- mtspr(SPRN_DBAT1L, 0xf800002a);
- mb();
-}
-
-TODC_ALLOC();
-
-static void __init
-lopec_setup_arch(void)
-{
-
- TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
- ioremap(0xffe80000, 0x8000), 8);
-
- loops_per_jiffy = 100000000/HZ;
-
- lopec_find_bridges();
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start)
- ROOT_DEV = Root_RAM0;
- else
-#elif defined(CONFIG_ROOT_NFS)
- ROOT_DEV = Root_NFS;
-#elif defined(CONFIG_BLK_DEV_IDEDISK)
- ROOT_DEV = Root_HDA1;
-#else
- ROOT_DEV = Root_SDA1;
-#endif
-
-#ifdef CONFIG_PPCBUG_NVRAM
- /* Read in NVRAM data */
- init_prep_nvram();
-
- /* if no bootargs, look in NVRAM */
- if ( cmd_line[0] == '\0' ) {
- char *bootargs;
- bootargs = prep_nvram_get_var("bootargs");
- if (bootargs != NULL) {
- strcpy(cmd_line, bootargs);
- /* again.. */
- strcpy(boot_command_line, cmd_line);
- }
- }
-#endif
-}
-
-void __init
-platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
-{
- parse_bootinfo(find_bootinfo());
- lopec_set_bat();
-
- isa_io_base = MPC10X_MAPB_ISA_IO_BASE;
- isa_mem_base = MPC10X_MAPB_ISA_MEM_BASE;
- pci_dram_offset = MPC10X_MAPB_DRAM_OFFSET;
- ISA_DMA_THRESHOLD = 0x00ffffff;
- DMA_MODE_READ = 0x44;
- DMA_MODE_WRITE = 0x48;
- ppc_do_canonicalize_irqs = 1;
-
- ppc_md.setup_arch = lopec_setup_arch;
- ppc_md.show_cpuinfo = lopec_show_cpuinfo;
- ppc_md.init_IRQ = lopec_init_IRQ;
- ppc_md.get_irq = openpic_get_irq;
-
- ppc_md.restart = lopec_restart;
- ppc_md.power_off = lopec_power_off;
- ppc_md.halt = lopec_halt;
-
- ppc_md.setup_io_mappings = lopec_map_io;
-
- ppc_md.time_init = todc_time_init;
- ppc_md.set_rtc_time = todc_set_rtc_time;
- ppc_md.get_rtc_time = todc_get_rtc_time;
- ppc_md.calibrate_decr = todc_calibrate_decr;
-
- ppc_md.nvram_read_val = todc_direct_read_val;
- ppc_md.nvram_write_val = todc_direct_write_val;
-
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
-#endif
-}