diff options
Diffstat (limited to 'arch/ppc/platforms/85xx/tqm85xx.c')
| -rw-r--r-- | arch/ppc/platforms/85xx/tqm85xx.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/arch/ppc/platforms/85xx/tqm85xx.c b/arch/ppc/platforms/85xx/tqm85xx.c deleted file mode 100644 index 27ce389c1224..000000000000 --- a/arch/ppc/platforms/85xx/tqm85xx.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * TQM85xx (40/41/55/60) board specific routines - * - * Copyright (c) 2005 DENX Software Engineering - * Stefan Roese <sr@denx.de> - * - * Based on original work by - * Kumar Gala <galak@kernel.crashing.org> - * Copyright 2004 Freescale Semiconductor 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/major.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/serial.h> -#include <linux/tty.h> /* for linux/serial_core.h */ -#include <linux/serial_core.h> -#include <linux/initrd.h> -#include <linux/module.h> -#include <linux/fsl_devices.h> - -#include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/atomic.h> -#include <asm/time.h> -#include <asm/io.h> -#include <asm/machdep.h> -#include <asm/open_pic.h> -#include <asm/bootinfo.h> -#include <asm/pci-bridge.h> -#include <asm/mpc85xx.h> -#include <asm/irq.h> -#include <asm/immap_85xx.h> -#include <asm/kgdb.h> -#include <asm/ppc_sys.h> -#include <asm/cpm2.h> -#include <mm/mmu_decl.h> - -#include <syslib/ppc85xx_setup.h> -#include <syslib/cpm2_pic.h> -#include <syslib/ppc85xx_common.h> -#include <syslib/ppc85xx_rio.h> - -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - - -extern unsigned long total_memory; /* in mm/init */ - -unsigned char __res[sizeof (bd_t)]; - -/* Internal interrupts are all Level Sensitive, and Positive Polarity */ -static u_char tqm85xx_openpic_initsenses[] __initdata = { - MPC85XX_INTERNAL_IRQ_SENSES, - 0x0, /* External 0: */ - 0x0, /* External 1: */ -#if defined(CONFIG_PCI) - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 2: PCI INTA */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 3: PCI INTB */ -#else - 0x0, /* External 2: */ - 0x0, /* External 3: */ -#endif - 0x0, /* External 4: */ - 0x0, /* External 5: */ - 0x0, /* External 6: */ - 0x0, /* External 7: */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 8: PHY */ - 0x0, /* External 9: */ - 0x0, /* External 10: */ - 0x0, /* External 11: */ -}; - -/* ************************************************************************ - * - * Setup the architecture - * - */ -static void __init -tqm85xx_setup_arch(void) -{ - bd_t *binfo = (bd_t *) __res; - unsigned int freq; - struct gianfar_platform_data *pdata; - struct gianfar_mdio_data *mdata; - -#ifdef CONFIG_MPC8560 - cpm2_reset(); -#endif - - /* get the core frequency */ - freq = binfo->bi_intfreq; - - if (ppc_md.progress) - ppc_md.progress("tqm85xx_setup_arch()", 0); - - /* Set loops_per_jiffy to a half-way reasonable value, - for use until calibrate_delay gets called. */ - loops_per_jiffy = freq / HZ; - -#ifdef CONFIG_PCI - /* setup PCI host bridges */ - mpc85xx_setup_hose(); -#endif - -#ifndef CONFIG_MPC8560 -#if defined(CONFIG_SERIAL_8250) - mpc85xx_early_serial_map(); -#endif - -#ifdef CONFIG_SERIAL_TEXT_DEBUG - /* Invalidate the entry we stole earlier the serial ports - * should be properly mapped */ - invalidate_tlbcam_entry(num_tlbcam_entries - 1); -#endif -#endif /* CONFIG_MPC8560 */ - - /* setup the board related info for the MDIO bus */ - mdata = (struct gianfar_mdio_data *) ppc_sys_get_pdata(MPC85xx_MDIO); - - mdata->irq[0] = MPC85xx_IRQ_EXT8; - mdata->irq[1] = MPC85xx_IRQ_EXT8; - mdata->irq[2] = PHY_POLL; - mdata->irq[3] = MPC85xx_IRQ_EXT8; - mdata->irq[31] = PHY_POLL; - - /* setup the board related information for the enet controllers */ - pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1); - if (pdata) { - pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = 0; - pdata->phy_id = 2; - memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); - } - - pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2); - if (pdata) { - pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = 0; - pdata->phy_id = 1; - memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6); - } - -#ifdef CONFIG_MPC8540 - pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_FEC); - if (pdata) { - pdata->board_flags = 0; - pdata->bus_id = 0; - pdata->phy_id = 3; - memcpy(pdata->mac_addr, binfo->bi_enet2addr, 6); - } -#endif - -#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 -} - -#ifdef CONFIG_MPC8560 -static irqreturn_t cpm2_cascade(int irq, void *dev_id) -{ - while ((irq = cpm2_get_irq()) >= 0) - __do_IRQ(irq); - return IRQ_HANDLED; -} - -static struct irqaction cpm2_irqaction = { - .handler = cpm2_cascade, - .flags = IRQF_DISABLED, - .mask = CPU_MASK_NONE, - .name = "cpm2_cascade", -}; -#endif /* CONFIG_MPC8560 */ - -void __init -tqm85xx_init_IRQ(void) -{ - bd_t *binfo = (bd_t *) __res; - - /* Determine the Physical Address of the OpenPIC regs */ - phys_addr_t OpenPIC_PAddr = - binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET; - OpenPIC_Addr = ioremap(OpenPIC_PAddr, MPC85xx_OPENPIC_SIZE); - OpenPIC_InitSenses = tqm85xx_openpic_initsenses; - OpenPIC_NumInitSenses = sizeof (tqm85xx_openpic_initsenses); - - /* Skip reserved space and internal sources */ - openpic_set_sources(0, 32, OpenPIC_Addr + 0x10200); - - /* Map PIC IRQs 0-11 */ - openpic_set_sources(48, 12, OpenPIC_Addr + 0x10000); - - /* we let openpic interrupts starting from an offset, to - * leave space for cascading interrupts underneath. - */ - openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET); - -#ifdef CONFIG_MPC8560 - /* Setup CPM2 PIC */ - cpm2_init_IRQ(); - - setup_irq(MPC85xx_IRQ_CPM, &cpm2_irqaction); -#endif /* CONFIG_MPC8560 */ - - return; -} - -int tqm85xx_show_cpuinfo(struct seq_file *m) -{ - uint pvid, svid, phid1; - uint memsize = total_memory; - bd_t *binfo = (bd_t *) __res; - unsigned int freq; - - /* get the core frequency */ - freq = binfo->bi_intfreq; - - pvid = mfspr(SPRN_PVR); - svid = mfspr(SPRN_SVR); - - seq_printf(m, "Vendor\t\t: TQ Components\n"); - seq_printf(m, "Machine\t\t: TQM%s\n", cur_ppc_sys_spec->ppc_sys_name); - seq_printf(m, "clock\t\t: %dMHz\n", freq / 1000000); - seq_printf(m, "PVR\t\t: 0x%x\n", pvid); - seq_printf(m, "SVR\t\t: 0x%x\n", svid); - - /* Display cpu Pll setting */ - phid1 = mfspr(SPRN_HID1); - seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); - - /* Display the amount of memory */ - seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); - - return 0; -} - -#ifdef CONFIG_PCI -/* - * interrupt routing - */ -int mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - static char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - {PIRQA, PIRQB, 0, 0}, - }; - - const long min_idsel = 0x1c, max_idsel = 0x1c, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; -} - -int mpc85xx_exclude_device(u_char bus, u_char devfn) -{ - if (bus == 0 && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; - else - return PCIBIOS_SUCCESSFUL; -} - -#endif /* CONFIG_PCI */ - -#ifdef CONFIG_RAPIDIO -void platform_rio_init(void) -{ - /* 512MB RIO LAW at 0xc0000000 */ - mpc85xx_rio_setup(0xc0000000, 0x20000000); -} -#endif /* CONFIG_RAPIDIO */ - -/* ************************************************************************ */ -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - /* parse_bootinfo must always be called first */ - parse_bootinfo(find_bootinfo()); - - /* - * If we were passed in a board information, copy it into the - * residual data area. - */ - if (r3) { - memcpy((void *) __res, (void *) (r3 + KERNELBASE), - sizeof (bd_t)); - } - -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && !defined(CONFIG_MPC8560) - { - bd_t *binfo = (bd_t *) __res; - struct uart_port p; - - /* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */ - settlbcam(num_tlbcam_entries - 1, binfo->bi_immr_base, - binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0); - - memset(&p, 0, sizeof (p)); - p.iotype = UPIO_MEM; - p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET; - p.uartclk = binfo->bi_busfreq; - - gen550_init(0, &p); - - memset(&p, 0, sizeof (p)); - p.iotype = UPIO_MEM; - p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET; - p.uartclk = binfo->bi_busfreq; - - gen550_init(1, &p); - } -#endif - -#if defined(CONFIG_BLK_DEV_INITRD) - /* - * If the init RAM disk has been configured in, and there's a valid - * starting address for it, set it up. - */ - if (r4) { - initrd_start = r4 + KERNELBASE; - initrd_end = r5 + KERNELBASE; - } -#endif /* CONFIG_BLK_DEV_INITRD */ - - /* Copy the kernel command line arguments to a safe place. */ - - if (r6) { - *(char *) (r7 + KERNELBASE) = 0; - strcpy(cmd_line, (char *) (r6 + KERNELBASE)); - } - - identify_ppc_sys_by_id(mfspr(SPRN_SVR)); - - /* setup the PowerPC module struct */ - ppc_md.setup_arch = tqm85xx_setup_arch; - ppc_md.show_cpuinfo = tqm85xx_show_cpuinfo; - - ppc_md.init_IRQ = tqm85xx_init_IRQ; - ppc_md.get_irq = openpic_get_irq; - - ppc_md.restart = mpc85xx_restart; - ppc_md.power_off = mpc85xx_power_off; - ppc_md.halt = mpc85xx_halt; - - ppc_md.find_end_of_memory = mpc85xx_find_end_of_memory; - - ppc_md.time_init = NULL; - ppc_md.set_rtc_time = NULL; - ppc_md.get_rtc_time = NULL; - ppc_md.calibrate_decr = mpc85xx_calibrate_decr; - -#ifndef CONFIG_MPC8560 -#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) - ppc_md.progress = gen550_progress; -#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ -#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB) - ppc_md.early_serial_map = mpc85xx_early_serial_map; -#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */ -#endif /* CONFIG_MPC8560 */ - - if (ppc_md.progress) - ppc_md.progress("tqm85xx_init(): exit", 0); - - return; -} |