diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/luan.c')
| -rw-r--r-- | arch/ppc/platforms/4xx/luan.c | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/arch/ppc/platforms/4xx/luan.c b/arch/ppc/platforms/4xx/luan.c deleted file mode 100644 index f6d8c2e8b6b7..000000000000 --- a/arch/ppc/platforms/4xx/luan.c +++ /dev/null @@ -1,371 +0,0 @@ -/* - * Luan board specific routines - * - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright 2004-2005 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/kdev_t.h> -#include <linux/types.h> -#include <linux/major.h> -#include <linux/blkdev.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/initrd.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.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/ocp.h> -#include <asm/pci-bridge.h> -#include <asm/time.h> -#include <asm/todc.h> -#include <asm/bootinfo.h> -#include <asm/ppc4xx_pic.h> -#include <asm/ppcboot.h> - -#include <syslib/ibm44x_common.h> -#include <syslib/ibm440gx_common.h> -#include <syslib/ibm440sp_common.h> - -extern bd_t __res; - -static struct ibm44x_clocks clocks __initdata; - -static void __init -luan_calibrate_decr(void) -{ - unsigned int freq; - - if (mfspr(SPRN_CCR1) & CCR1_TCS) - freq = LUAN_TMR_CLK; - else - freq = clocks.cpu; - - ibm44x_calibrate_decr(freq); -} - -static int -luan_show_cpuinfo(struct seq_file *m) -{ - seq_printf(m, "vendor\t\t: IBM\n"); - seq_printf(m, "machine\t\t: PPC440SP EVB (Luan)\n"); - - return 0; -} - -static inline int -luan_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); - - /* PCIX0 in adapter mode, no host interrupt routing */ - - /* PCIX1 */ - if (hose->index == 0) { - static char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - { 49, 49, 49, 49 }, /* IDSEL 1 - PCIX1 Slot 0 */ - { 49, 49, 49, 49 }, /* IDSEL 2 - PCIX1 Slot 1 */ - { 49, 49, 49, 49 }, /* IDSEL 3 - PCIX1 Slot 2 */ - { 49, 49, 49, 49 }, /* IDSEL 4 - PCIX1 Slot 3 */ - }; - const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; - /* PCIX2 */ - } else if (hose->index == 1) { - static char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - { 50, 50, 50, 50 }, /* IDSEL 1 - PCIX2 Slot 0 */ - { 50, 50, 50, 50 }, /* IDSEL 2 - PCIX2 Slot 1 */ - { 50, 50, 50, 50 }, /* IDSEL 3 - PCIX2 Slot 2 */ - { 50, 50, 50, 50 }, /* IDSEL 4 - PCIX2 Slot 3 */ - }; - const long min_idsel = 1, max_idsel = 4, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; - } - return -1; -} - -static void __init luan_set_emacdata(void) -{ - struct ocp_def *def; - struct ocp_func_emac_data *emacdata; - - /* Set phy_map, phy_mode, and mac_addr for the EMAC */ - def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, 0); - emacdata = def->additions; - emacdata->phy_map = 0x00000001; /* Skip 0x00 */ - emacdata->phy_mode = PHY_MODE_GMII; - memcpy(emacdata->mac_addr, __res.bi_enetaddr, 6); -} - -#define PCIX_READW(offset) \ - (readw((void *)((u32)pcix_reg_base+offset))) - -#define PCIX_WRITEW(value, offset) \ - (writew(value, (void *)((u32)pcix_reg_base+offset))) - -#define PCIX_WRITEL(value, offset) \ - (writel(value, (void *)((u32)pcix_reg_base+offset))) - -static void __init -luan_setup_pcix(void) -{ - int i; - void *pcix_reg_base; - - for (i=0;i<3;i++) { - pcix_reg_base = ioremap64(PCIX0_REG_BASE + i*PCIX_REG_OFFSET, PCIX_REG_SIZE); - - /* Enable PCIX0 I/O, Mem, and Busmaster cycles */ - PCIX_WRITEW(PCIX_READW(PCIX0_COMMAND) | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER, PCIX0_COMMAND); - - /* Disable all windows */ - PCIX_WRITEL(0, PCIX0_POM0SA); - PCIX_WRITEL(0, PCIX0_POM1SA); - PCIX_WRITEL(0, PCIX0_POM2SA); - PCIX_WRITEL(0, PCIX0_PIM0SA); - PCIX_WRITEL(0, PCIX0_PIM0SAH); - PCIX_WRITEL(0, PCIX0_PIM1SA); - PCIX_WRITEL(0, PCIX0_PIM2SA); - PCIX_WRITEL(0, PCIX0_PIM2SAH); - - /* - * Setup 512MB PLB->PCI outbound mem window - * (a_n000_0000->0_n000_0000) - * */ - PCIX_WRITEL(0x0000000a, PCIX0_POM0LAH); - PCIX_WRITEL(0x80000000 | i*LUAN_PCIX_MEM_SIZE, PCIX0_POM0LAL); - PCIX_WRITEL(0x00000000, PCIX0_POM0PCIAH); - PCIX_WRITEL(0x80000000 | i*LUAN_PCIX_MEM_SIZE, PCIX0_POM0PCIAL); - PCIX_WRITEL(0xe0000001, PCIX0_POM0SA); - - /* Setup 2GB PCI->PLB inbound memory window at 0, enable MSIs */ - PCIX_WRITEL(0x00000000, PCIX0_PIM0LAH); - PCIX_WRITEL(0x00000000, PCIX0_PIM0LAL); - PCIX_WRITEL(0xe0000007, PCIX0_PIM0SA); - PCIX_WRITEL(0xffffffff, PCIX0_PIM0SAH); - - iounmap(pcix_reg_base); - } - - eieio(); -} - -static void __init -luan_setup_hose(struct pci_controller *hose, - int lower_mem, - int upper_mem, - int cfga, - int cfgd, - u64 pcix_io_base) -{ - char name[20]; - - sprintf(name, "PCIX%d host bridge", hose->index); - - hose->pci_mem_offset = LUAN_PCIX_MEM_OFFSET; - - pci_init_resource(&hose->io_resource, - LUAN_PCIX_LOWER_IO, - LUAN_PCIX_UPPER_IO, - IORESOURCE_IO, - name); - - pci_init_resource(&hose->mem_resources[0], - lower_mem, - upper_mem, - IORESOURCE_MEM, - name); - - hose->io_space.start = LUAN_PCIX_LOWER_IO; - hose->io_space.end = LUAN_PCIX_UPPER_IO; - hose->mem_space.start = lower_mem; - hose->mem_space.end = upper_mem; - hose->io_base_virt = ioremap64(pcix_io_base, PCIX_IO_SIZE); - isa_io_base = (unsigned long) hose->io_base_virt; - - setup_indirect_pci(hose, cfga, cfgd); - hose->set_cfg_type = 1; -} - -static void __init -luan_setup_hoses(void) -{ - struct pci_controller *hose1, *hose2; - - /* Configure windows on the PCI-X host bridge */ - luan_setup_pcix(); - - /* Allocate hoses for PCIX1 and PCIX2 */ - hose1 = pcibios_alloc_controller(); - if (!hose1) - return; - - hose2 = pcibios_alloc_controller(); - if (!hose2) { - pcibios_free_controller(hose1); - return; - } - - /* Setup PCIX1 */ - hose1->first_busno = 0; - hose1->last_busno = 0xff; - - luan_setup_hose(hose1, - LUAN_PCIX1_LOWER_MEM, - LUAN_PCIX1_UPPER_MEM, - PCIX1_CFGA, - PCIX1_CFGD, - PCIX1_IO_BASE); - - hose1->last_busno = pciauto_bus_scan(hose1, hose1->first_busno); - - /* Setup PCIX2 */ - hose2->first_busno = hose1->last_busno + 1; - hose2->last_busno = 0xff; - - luan_setup_hose(hose2, - LUAN_PCIX2_LOWER_MEM, - LUAN_PCIX2_UPPER_MEM, - PCIX2_CFGA, - PCIX2_CFGD, - PCIX2_IO_BASE); - - hose2->last_busno = pciauto_bus_scan(hose2, hose2->first_busno); - - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = luan_map_irq; -} - -TODC_ALLOC(); - -static void __init -luan_early_serial_map(void) -{ - struct uart_port port; - - /* Setup ioremapped serial port access */ - memset(&port, 0, sizeof(port)); - port.membase = ioremap64(PPC440SP_UART0_ADDR, 8); - port.irq = UART0_INT; - port.uartclk = clocks.uart0; - port.regshift = 0; - port.iotype = UPIO_MEM; - port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; - port.line = 0; - - if (early_serial_setup(&port) != 0) { - printk("Early serial init of port 0 failed\n"); - } - - port.membase = ioremap64(PPC440SP_UART1_ADDR, 8); - port.irq = UART1_INT; - port.uartclk = clocks.uart1; - port.line = 1; - - if (early_serial_setup(&port) != 0) { - printk("Early serial init of port 1 failed\n"); - } - - port.membase = ioremap64(PPC440SP_UART2_ADDR, 8); - port.irq = UART2_INT; - port.uartclk = BASE_BAUD; - port.line = 2; - - if (early_serial_setup(&port) != 0) { - printk("Early serial init of port 2 failed\n"); - } -} - -static void __init -luan_setup_arch(void) -{ - luan_set_emacdata(); - -#if !defined(CONFIG_BDI_SWITCH) - /* - * The Abatron BDI JTAG debugger does not tolerate others - * mucking with the debug registers. - */ - mtspr(SPRN_DBCR0, (DBCR0_TDE | DBCR0_IDM)); -#endif - - /* - * Determine various clocks. - * To be completely correct we should get SysClk - * from FPGA, because it can be changed by on-board switches - * --ebs - */ - /* 440GX and 440SP clocking is the same -mdp */ - ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200); - ocp_sys_info.opb_bus_freq = clocks.opb; - - /* init to some ~sane value until calibrate_delay() runs */ - loops_per_jiffy = 50000000/HZ; - - /* Setup PCIXn host bridges */ - luan_setup_hoses(); - -#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_HDA1; -#endif - - luan_early_serial_map(); - - /* Identify the system */ - printk("Luan port (MontaVista Software, Inc. <source@mvista.com>)\n"); -} - -void __init platform_init(unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, unsigned long r7) -{ - ibm44x_platform_init(r3, r4, r5, r6, r7); - - ppc_md.setup_arch = luan_setup_arch; - ppc_md.show_cpuinfo = luan_show_cpuinfo; - ppc_md.find_end_of_memory = ibm440sp_find_end_of_memory; - ppc_md.get_irq = NULL; /* Set in ppc4xx_pic_init() */ - - ppc_md.calibrate_decr = luan_calibrate_decr; -#ifdef CONFIG_KGDB - ppc_md.early_serial_map = luan_early_serial_map; -#endif -} |