+++ /dev/null
-/*
- * MPC8540ADS board specific routines
- *
- * Maintainer: 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 <mm/mmu_decl.h>
-
-#include <syslib/ppc85xx_setup.h>
-
-/* ************************************************************************
- *
- * Setup the architecture
- *
- */
-static void __init
-mpc8540ads_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;
-
- if (ppc_md.progress)
- ppc_md.progress("mpc8540ads_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
-
-#ifdef 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
-
- /* 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_EXT5;
- mdata->irq[1] = MPC85xx_IRQ_EXT5;
- mdata->irq[2] = PHY_POLL;
- mdata->irq[3] = MPC85xx_IRQ_EXT5;
- 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 = 0;
- 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);
- }
-
- 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);
- }
-
-#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
-}
-
-/* ************************************************************************ */
-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));
- }
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
- {
- 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 = mpc8540ads_setup_arch;
- ppc_md.show_cpuinfo = mpc85xx_ads_show_cpuinfo;
-
- ppc_md.init_IRQ = mpc85xx_ads_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;
-
-#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 */
-
- if (ppc_md.progress)
- ppc_md.progress("mpc8540ads_init(): exit", 0);
-
- return;
-}
git.openpandora.org / pandora-kernel.git / blobdiff