diff options
Diffstat (limited to 'arch/ppc/platforms/83xx/mpc834x_sys.c')
| -rw-r--r-- | arch/ppc/platforms/83xx/mpc834x_sys.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c deleted file mode 100644 index b84f8df325c..00000000000 --- a/arch/ppc/platforms/83xx/mpc834x_sys.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * MPC834x SYS board specific routines - * - * Maintainer: Kumar Gala <galak@kernel.crashing.org> - * - * Copyright 2005 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/ipic.h> -#include <asm/bootinfo.h> -#include <asm/pci-bridge.h> -#include <asm/mpc83xx.h> -#include <asm/irq.h> -#include <asm/kgdb.h> -#include <asm/ppc_sys.h> -#include <mm/mmu_decl.h> - -#include <syslib/ppc83xx_setup.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)]; - -#ifdef CONFIG_PCI -int -mpc83xx_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, PIRQC, PIRQD}, /* idsel 0x11 */ - {PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x12 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x13 */ - {0, 0, 0, 0}, - {PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x15 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x16 */ - {PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x17 */ - {PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x18 */ - {0, 0, 0, 0}, /* idsel 0x19 */ - {0, 0, 0, 0}, /* idsel 0x20 */ - }; - - const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; -} - -int -mpc83xx_exclude_device(u_char bus, u_char devfn) -{ - return PCIBIOS_SUCCESSFUL; -} -#endif /* CONFIG_PCI */ - -/* ************************************************************************ - * - * Setup the architecture - * - */ -static void __init -mpc834x_sys_setup_arch(void) -{ - bd_t *binfo = (bd_t *) __res; - unsigned int freq; - struct gianfar_platform_data *pdata; - struct gianfar_mdio_data *mdata; - - /* get the core frequency */ - freq = binfo->bi_intfreq; - - /* 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 */ - mpc83xx_setup_hose(); -#endif - mpc83xx_early_serial_map(); - - /* setup the board related info for the MDIO bus */ - mdata = (struct gianfar_mdio_data *) ppc_sys_get_pdata(MPC83xx_MDIO); - - mdata->irq[0] = MPC83xx_IRQ_EXT1; - mdata->irq[1] = MPC83xx_IRQ_EXT2; - mdata->irq[2] = PHY_POLL; - mdata->irq[31] = PHY_POLL; - - /* setup the board related information for the enet controllers */ - pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC1); - if (pdata) { - pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; - pdata->bus_id = 0; - pdata->phy_id = 0; - memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6); - } - - pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_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_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 -} - -static void __init -mpc834x_sys_map_io(void) -{ - /* we steal the lowest ioremap addr for virt space */ - io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO); -} - -int -mpc834x_sys_show_cpuinfo(struct seq_file *m) -{ - uint pvid, svid, phid1; - 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: Freescale Inc.\n"); - seq_printf(m, "Machine\t\t: mpc%s sys\n", cur_ppc_sys_spec->ppc_sys_name); - seq_printf(m, "core clock\t: %d MHz\n" - "bus clock\t: %d MHz\n", - (int)(binfo->bi_intfreq / 1000000), - (int)(binfo->bi_busfreq / 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", (int)(binfo->bi_memsize / (1024 * 1024))); - - return 0; -} - - -void __init -mpc834x_sys_init_IRQ(void) -{ - bd_t *binfo = (bd_t *) __res; - - u8 senses[8] = { - 0, /* EXT 0 */ - IRQ_SENSE_LEVEL, /* EXT 1 */ - IRQ_SENSE_LEVEL, /* EXT 2 */ - 0, /* EXT 3 */ -#ifdef CONFIG_PCI - IRQ_SENSE_LEVEL, /* EXT 4 */ - IRQ_SENSE_LEVEL, /* EXT 5 */ - IRQ_SENSE_LEVEL, /* EXT 6 */ - IRQ_SENSE_LEVEL, /* EXT 7 */ -#else - 0, /* EXT 4 */ - 0, /* EXT 5 */ - 0, /* EXT 6 */ - 0, /* EXT 7 */ -#endif - }; - - ipic_init(binfo->bi_immr_base + 0x00700, 0, MPC83xx_IPIC_IRQ_OFFSET, senses, 8); - - /* Initialize the default interrupt mapping priorities, - * in case the boot rom changed something on us. - */ - ipic_set_default_priority(); -} - -#if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374) -extern ulong ds1374_get_rtc_time(void); -extern int ds1374_set_rtc_time(ulong); - -static int __init -mpc834x_rtc_hookup(void) -{ - struct timespec tv; - - ppc_md.get_rtc_time = ds1374_get_rtc_time; - ppc_md.set_rtc_time = ds1374_set_rtc_time; - - tv.tv_nsec = 0; - tv.tv_sec = (ppc_md.get_rtc_time)(); - do_settimeofday(&tv); - - return 0; -} -late_initcall(mpc834x_rtc_hookup); -#endif -static __inline__ void -mpc834x_sys_set_bat(void) -{ - /* we steal the lowest ioremap addr for virt space */ - mb(); - mtspr(SPRN_DBAT1U, VIRT_IMMRBAR | 0x1e); - mtspr(SPRN_DBAT1L, immrbar | 0x2a); - mb(); -} - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - bd_t *binfo = (bd_t *) __res; - - /* 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_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)); - } - - immrbar = binfo->bi_immr_base; - - mpc834x_sys_set_bat(); - -#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) - { - struct uart_port p; - - memset(&p, 0, sizeof (p)); - p.iotype = UPIO_MEM; - p.membase = (unsigned char __iomem *)(VIRT_IMMRBAR + 0x4500); - p.uartclk = binfo->bi_busfreq; - - gen550_init(0, &p); - - memset(&p, 0, sizeof (p)); - p.iotype = UPIO_MEM; - p.membase = (unsigned char __iomem *)(VIRT_IMMRBAR + 0x4600); - p.uartclk = binfo->bi_busfreq; - - gen550_init(1, &p); - } -#endif - - identify_ppc_sys_by_id(mfspr(SPRN_SVR)); - - /* setup the PowerPC module struct */ - ppc_md.setup_arch = mpc834x_sys_setup_arch; - ppc_md.show_cpuinfo = mpc834x_sys_show_cpuinfo; - - ppc_md.init_IRQ = mpc834x_sys_init_IRQ; - ppc_md.get_irq = ipic_get_irq; - - ppc_md.restart = mpc83xx_restart; - ppc_md.power_off = mpc83xx_power_off; - ppc_md.halt = mpc83xx_halt; - - ppc_md.find_end_of_memory = mpc83xx_find_end_of_memory; - ppc_md.setup_io_mappings = mpc834x_sys_map_io; - - ppc_md.time_init = mpc83xx_time_init; - ppc_md.set_rtc_time = NULL; - ppc_md.get_rtc_time = NULL; - ppc_md.calibrate_decr = mpc83xx_calibrate_decr; - - ppc_md.early_serial_map = mpc83xx_early_serial_map; -#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) - ppc_md.progress = gen550_progress; -#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ - - if (ppc_md.progress) - ppc_md.progress("mpc834x_sys_init(): exit", 0); - - return; -} |