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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
commit9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch)
tree0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /arch/ppc/platforms/4xx/yucca.c
parentb8f8c3cf0a4ac0632ec3f0e15e9dc0c29de917af (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
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Merge branch 'linus' into timers/nohz
Diffstat (limited to 'arch/ppc/platforms/4xx/yucca.c')
-rw-r--r--arch/ppc/platforms/4xx/yucca.c393
1 files changed, 0 insertions, 393 deletions
diff --git a/arch/ppc/platforms/4xx/yucca.c b/arch/ppc/platforms/4xx/yucca.c
deleted file mode 100644
index f6cfd44281f..00000000000
--- a/arch/ppc/platforms/4xx/yucca.c
+++ /dev/null
@@ -1,393 +0,0 @@
-/*
- * Yucca board specific routines
- *
- * Roland Dreier <rolandd@cisco.com> (based on luan.c by Matt Porter)
- *
- * Copyright 2004-2005 MontaVista Software Inc.
- * Copyright (c) 2005 Cisco Systems. All rights reserved.
- *
- * 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>
-#include <syslib/ppc440spe_pcie.h>
-
-extern bd_t __res;
-
-static struct ibm44x_clocks clocks __initdata;
-
-static void __init
-yucca_calibrate_decr(void)
-{
- unsigned int freq;
-
- if (mfspr(SPRN_CCR1) & CCR1_TCS)
- freq = YUCCA_TMR_CLK;
- else
- freq = clocks.cpu;
-
- ibm44x_calibrate_decr(freq);
-}
-
-static int
-yucca_show_cpuinfo(struct seq_file *m)
-{
- seq_printf(m, "vendor\t\t: AMCC\n");
- seq_printf(m, "machine\t\t: PPC440SPe EVB (Yucca)\n");
-
- return 0;
-}
-
-static enum {
- HOSE_UNKNOWN,
- HOSE_PCIX,
- HOSE_PCIE0,
- HOSE_PCIE1,
- HOSE_PCIE2
-} hose_type[4];
-
-static inline int
-yucca_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
- struct pci_controller *hose = pci_bus_to_hose(dev->bus->number);
-
- if (hose_type[hose->index] == HOSE_PCIX) {
- static char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- { 81, -1, -1, -1 }, /* IDSEL 1 - PCIX0 Slot 0 */
- };
- const long min_idsel = 1, max_idsel = 1, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
- } else if (hose_type[hose->index] == HOSE_PCIE0) {
- static char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- { 96, 97, 98, 99 },
- };
- const long min_idsel = 1, max_idsel = 1, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
- } else if (hose_type[hose->index] == HOSE_PCIE1) {
- static char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- { 100, 101, 102, 103 },
- };
- const long min_idsel = 1, max_idsel = 1, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
- } else if (hose_type[hose->index] == HOSE_PCIE2) {
- static char pci_irq_table[][4] =
- /*
- * PCI IDSEL/INTPIN->INTLINE
- * A B C D
- */
- {
- { 104, 105, 106, 107 },
- };
- const long min_idsel = 1, max_idsel = 1, irqs_per_slot = 4;
- return PCI_IRQ_TABLE_LOOKUP;
- }
- return -1;
-}
-
-static void __init yucca_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);
-}
-
-static int __init yucca_pcie_card_present(int port)
-{
- void __iomem *pcie_fpga_base;
- u16 reg;
-
- pcie_fpga_base = ioremap64(YUCCA_FPGA_REG_BASE, YUCCA_FPGA_REG_SIZE);
- reg = in_be16(pcie_fpga_base + FPGA_REG1C);
- iounmap(pcie_fpga_base);
-
- switch(port) {
- case 0: return !(reg & FPGA_REG1C_PE0_PRSNT);
- case 1: return !(reg & FPGA_REG1C_PE1_PRSNT);
- case 2: return !(reg & FPGA_REG1C_PE2_PRSNT);
- default: return 0;
- }
-}
-
-/*
- * For the given slot, set rootpoint mode, send power to the slot,
- * turn on the green LED and turn off the yellow LED, enable the clock
- * and turn off reset.
- */
-static void __init yucca_setup_pcie_fpga_rootpoint(int port)
-{
- void __iomem *pcie_reg_fpga_base;
- u16 power, clock, green_led, yellow_led, reset_off, rootpoint, endpoint;
-
- pcie_reg_fpga_base = ioremap64(YUCCA_FPGA_REG_BASE, YUCCA_FPGA_REG_SIZE);
-
- switch(port) {
- case 0:
- rootpoint = FPGA_REG1C_PE0_ROOTPOINT;
- endpoint = 0;
- power = FPGA_REG1A_PE0_PWRON;
- green_led = FPGA_REG1A_PE0_GLED;
- clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
- yellow_led = FPGA_REG1A_PE0_YLED;
- reset_off = FPGA_REG1C_PE0_PERST;
- break;
- case 1:
- rootpoint = 0;
- endpoint = FPGA_REG1C_PE1_ENDPOINT;
- power = FPGA_REG1A_PE1_PWRON;
- green_led = FPGA_REG1A_PE1_GLED;
- clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
- yellow_led = FPGA_REG1A_PE1_YLED;
- reset_off = FPGA_REG1C_PE1_PERST;
- break;
- case 2:
- rootpoint = 0;
- endpoint = FPGA_REG1C_PE2_ENDPOINT;
- power = FPGA_REG1A_PE2_PWRON;
- green_led = FPGA_REG1A_PE2_GLED;
- clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
- yellow_led = FPGA_REG1A_PE2_YLED;
- reset_off = FPGA_REG1C_PE2_PERST;
- break;
-
- default:
- iounmap(pcie_reg_fpga_base);
- return;
- }
-
- out_be16(pcie_reg_fpga_base + FPGA_REG1A,
- ~(power | clock | green_led) &
- (yellow_led | in_be16(pcie_reg_fpga_base + FPGA_REG1A)));
- out_be16(pcie_reg_fpga_base + FPGA_REG1C,
- ~(endpoint | reset_off) &
- (rootpoint | in_be16(pcie_reg_fpga_base + FPGA_REG1C)));
-
- /*
- * Leave device in reset for a while after powering on the
- * slot to give it a chance to initialize.
- */
- mdelay(250);
-
- out_be16(pcie_reg_fpga_base + FPGA_REG1C,
- reset_off | in_be16(pcie_reg_fpga_base + FPGA_REG1C));
-
- iounmap(pcie_reg_fpga_base);
-}
-
-static void __init
-yucca_setup_hoses(void)
-{
- struct pci_controller *hose;
- char name[20];
- int i;
-
- if (0 && ppc440spe_init_pcie()) {
- printk(KERN_WARNING "PPC440SPe PCI Express initialization failed\n");
- return;
- }
-
- for (i = 0; i <= 2; ++i) {
- if (!yucca_pcie_card_present(i))
- continue;
-
- printk(KERN_INFO "PCIE%d: card present\n", i);
- yucca_setup_pcie_fpga_rootpoint(i);
- if (ppc440spe_init_pcie_rootport(i)) {
- printk(KERN_WARNING "PCIE%d: initialization failed\n", i);
- continue;
- }
-
- hose = pcibios_alloc_controller();
- if (!hose)
- return;
-
- sprintf(name, "PCIE%d host bridge", i);
- pci_init_resource(&hose->io_resource,
- YUCCA_PCIX_LOWER_IO,
- YUCCA_PCIX_UPPER_IO,
- IORESOURCE_IO,
- name);
-
- hose->mem_space.start = YUCCA_PCIE_LOWER_MEM +
- i * YUCCA_PCIE_MEM_SIZE;
- hose->mem_space.end = hose->mem_space.start +
- YUCCA_PCIE_MEM_SIZE - 1;
-
- pci_init_resource(&hose->mem_resources[0],
- hose->mem_space.start,
- hose->mem_space.end,
- IORESOURCE_MEM,
- name);
-
- hose->first_busno = 0;
- hose->last_busno = 15;
- hose_type[hose->index] = HOSE_PCIE0 + i;
-
- ppc440spe_setup_pcie(hose, i);
- hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
- }
-
- ppc_md.pci_swizzle = common_swizzle;
- ppc_md.pci_map_irq = yucca_map_irq;
-}
-
-TODC_ALLOC();
-
-static void __init
-yucca_early_serial_map(void)
-{
- struct uart_port port;
-
- /* Setup ioremapped serial port access */
- memset(&port, 0, sizeof(port));
- port.membase = ioremap64(PPC440SPE_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(PPC440SPE_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(PPC440SPE_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
-yucca_setup_arch(void)
-{
- yucca_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 440SPe clocking is the same - rd */
- 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 */
- yucca_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
-
- yucca_early_serial_map();
-
- /* Identify the system */
- printk("Yucca port (Roland Dreier <rolandd@cisco.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 = yucca_setup_arch;
- ppc_md.show_cpuinfo = yucca_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 = yucca_calibrate_decr;
-#ifdef CONFIG_KGDB
- ppc_md.early_serial_map = yucca_early_serial_map;
-#endif
-}