diff options
Diffstat (limited to 'arch/ppc/platforms/mvme5100.c')
| -rw-r--r-- | arch/ppc/platforms/mvme5100.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/arch/ppc/platforms/mvme5100.c b/arch/ppc/platforms/mvme5100.c deleted file mode 100644 index 053b54ac88f2..000000000000 --- a/arch/ppc/platforms/mvme5100.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * Board setup routines for the Motorola MVME5100. - * - * Author: Matt Porter <mporter@mvista.com> - * - * 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/stddef.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/pci.h> -#include <linux/initrd.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/kdev_t.h> -#include <linux/root_dev.h> - -#include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/dma.h> -#include <asm/io.h> -#include <asm/machdep.h> -#include <asm/open_pic.h> -#include <asm/i8259.h> -#include <asm/todc.h> -#include <asm/pci-bridge.h> -#include <asm/bootinfo.h> -#include <asm/hawk.h> - -#include <platforms/pplus.h> -#include <platforms/mvme5100.h> - -static u_char mvme5100_openpic_initsenses[16] __initdata = { - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* i8259 cascade */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* TL16C550 UART 1,2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Enet1 front panel or P2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Hawk Watchdog 1,2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* DS1621 thermal alarm */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Universe II LINT0# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Universe II LINT1# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Universe II LINT2# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Universe II LINT3# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PMC1 INTA#, PMC2 INTB# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PMC1 INTB#, PMC2 INTC# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PMC1 INTC#, PMC2 INTD# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* PMC1 INTD#, PMC2 INTA# */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Enet 2 (front panel) */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Abort Switch */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* RTC Alarm */ -}; - -static inline int -mvme5100_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - int irq; - - static char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - { 0, 0, 0, 0 }, /* IDSEL 11 - Winbond */ - { 0, 0, 0, 0 }, /* IDSEL 12 - unused */ - { 21, 22, 23, 24 }, /* IDSEL 13 - Universe II */ - { 18, 0, 0, 0 }, /* IDSEL 14 - Enet 1 */ - { 0, 0, 0, 0 }, /* IDSEL 15 - unused */ - { 25, 26, 27, 28 }, /* IDSEL 16 - PMC Slot 1 */ - { 28, 25, 26, 27 }, /* IDSEL 17 - PMC Slot 2 */ - { 0, 0, 0, 0 }, /* IDSEL 18 - unused */ - { 29, 0, 0, 0 }, /* IDSEL 19 - Enet 2 */ - { 0, 0, 0, 0 }, /* IDSEL 20 - PMCSPAN */ - }; - - const long min_idsel = 11, max_idsel = 20, irqs_per_slot = 4; - irq = PCI_IRQ_TABLE_LOOKUP; - /* If lookup is zero, always return 0 */ - if (!irq) - return 0; - else -#ifdef CONFIG_MVME5100_IPMC761_PRESENT - /* If IPMC761 present, return table value */ - return irq; -#else - /* If IPMC761 not present, we don't have an i8259 so adjust */ - return (irq - NUM_8259_INTERRUPTS); -#endif -} - -static void -mvme5100_pcibios_fixup_resources(struct pci_dev *dev) -{ - int i; - - if ((dev->vendor == PCI_VENDOR_ID_MOTOROLA) && - (dev->device == PCI_DEVICE_ID_MOTOROLA_HAWK)) - for (i=0; i<DEVICE_COUNT_RESOURCE; i++) - { - dev->resource[i].start = 0; - dev->resource[i].end = 0; - } -} - -static void __init -mvme5100_setup_bridge(void) -{ - struct pci_controller* hose; - - hose = pcibios_alloc_controller(); - - if (!hose) - return; - - hose->first_busno = 0; - hose->last_busno = 0xff; - hose->pci_mem_offset = MVME5100_PCI_MEM_OFFSET; - - pci_init_resource(&hose->io_resource, MVME5100_PCI_LOWER_IO, - MVME5100_PCI_UPPER_IO, IORESOURCE_IO, - "PCI host bridge"); - - pci_init_resource(&hose->mem_resources[0], MVME5100_PCI_LOWER_MEM, - MVME5100_PCI_UPPER_MEM, IORESOURCE_MEM, - "PCI host bridge"); - - hose->io_space.start = MVME5100_PCI_LOWER_IO; - hose->io_space.end = MVME5100_PCI_UPPER_IO; - hose->mem_space.start = MVME5100_PCI_LOWER_MEM; - hose->mem_space.end = MVME5100_PCI_UPPER_MEM; - hose->io_base_virt = (void *)MVME5100_ISA_IO_BASE; - - /* Use indirect method of Hawk */ - setup_indirect_pci(hose, MVME5100_PCI_CONFIG_ADDR, - MVME5100_PCI_CONFIG_DATA); - - hose->last_busno = pciauto_bus_scan(hose, hose->first_busno); - - ppc_md.pcibios_fixup_resources = mvme5100_pcibios_fixup_resources; - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = mvme5100_map_irq; -} - -static void __init -mvme5100_setup_arch(void) -{ - if ( ppc_md.progress ) - ppc_md.progress("mvme5100_setup_arch: enter", 0); - - loops_per_jiffy = 50000000 / HZ; - -#ifdef CONFIG_BLK_DEV_INITRD - if (initrd_start) - ROOT_DEV = Root_RAM0; - else -#endif -#ifdef CONFIG_ROOT_NFS - ROOT_DEV = Root_NFS; -#else - ROOT_DEV = Root_SDA2; -#endif - - if ( ppc_md.progress ) - ppc_md.progress("mvme5100_setup_arch: find_bridges", 0); - - /* Setup PCI host bridge */ - mvme5100_setup_bridge(); - - /* Find and map our OpenPIC */ - hawk_mpic_init(MVME5100_PCI_MEM_OFFSET); - OpenPIC_InitSenses = mvme5100_openpic_initsenses; - OpenPIC_NumInitSenses = sizeof(mvme5100_openpic_initsenses); - - printk("MVME5100 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n"); - - if ( ppc_md.progress ) - ppc_md.progress("mvme5100_setup_arch: exit", 0); - - return; -} - -static void __init -mvme5100_init2(void) -{ -#ifdef CONFIG_MVME5100_IPMC761_PRESENT - 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"); -#endif - return; -} - -/* - * Interrupt setup and service. - * Have MPIC on HAWK and cascaded 8259s on Winbond cascaded to MPIC. - */ -static void __init -mvme5100_init_IRQ(void) -{ -#ifdef CONFIG_MVME5100_IPMC761_PRESENT - int i; -#endif - - if ( ppc_md.progress ) - ppc_md.progress("init_irq: enter", 0); - - openpic_set_sources(0, 16, OpenPIC_Addr + 0x10000); -#ifdef CONFIG_MVME5100_IPMC761_PRESENT - openpic_init(NUM_8259_INTERRUPTS); - openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade", - &i8259_irq); - - i8259_init(0, 0); -#else - openpic_init(0); -#endif - - if ( ppc_md.progress ) - ppc_md.progress("init_irq: exit", 0); - - return; -} - -/* - * Set BAT 3 to map 0xf0000000 to end of physical memory space. - */ -static __inline__ void -mvme5100_set_bat(void) -{ - mb(); - mtspr(SPRN_DBAT1U, 0xf0001ffe); - mtspr(SPRN_DBAT1L, 0xf000002a); - mb(); -} - -static unsigned long __init -mvme5100_find_end_of_memory(void) -{ - return hawk_get_mem_size(MVME5100_HAWK_SMC_BASE); -} - -static void __init -mvme5100_map_io(void) -{ - io_block_mapping(0xfe000000, 0xfe000000, 0x02000000, _PAGE_IO); - ioremap_base = 0xfe000000; -} - -static void -mvme5100_reset_board(void) -{ - local_irq_disable(); - - /* Set exception prefix high - to the firmware */ - _nmask_and_or_msr(0, MSR_IP); - - out_8((u_char *)MVME5100_BOARD_MODRST_REG, 0x01); - - return; -} - -static void -mvme5100_restart(char *cmd) -{ - volatile ulong i = 10000000; - - mvme5100_reset_board(); - - while (i-- > 0); - panic("restart failed\n"); -} - -static void -mvme5100_halt(void) -{ - local_irq_disable(); - while (1); -} - -static void -mvme5100_power_off(void) -{ - mvme5100_halt(); -} - -static int -mvme5100_show_cpuinfo(struct seq_file *m) -{ - seq_printf(m, "vendor\t\t: Motorola\n"); - seq_printf(m, "machine\t\t: MVME5100\n"); - - return 0; -} - -TODC_ALLOC(); - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - parse_bootinfo(find_bootinfo()); - mvme5100_set_bat(); - - isa_io_base = MVME5100_ISA_IO_BASE; - isa_mem_base = MVME5100_ISA_MEM_BASE; - pci_dram_offset = MVME5100_PCI_DRAM_OFFSET; - - ppc_md.setup_arch = mvme5100_setup_arch; - ppc_md.show_cpuinfo = mvme5100_show_cpuinfo; - ppc_md.init_IRQ = mvme5100_init_IRQ; - ppc_md.get_irq = openpic_get_irq; - ppc_md.init = mvme5100_init2; - - ppc_md.restart = mvme5100_restart; - ppc_md.power_off = mvme5100_power_off; - ppc_md.halt = mvme5100_halt; - - ppc_md.find_end_of_memory = mvme5100_find_end_of_memory; - ppc_md.setup_io_mappings = mvme5100_map_io; - - TODC_INIT(TODC_TYPE_MK48T37, MVME5100_NVRAM_AS0, MVME5100_NVRAM_AS1, - MVME5100_NVRAM_DATA, 8); - - 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_m48txx_read_val; - ppc_md.nvram_write_val = todc_m48txx_write_val; -} |