diff options
Diffstat (limited to 'arch/ppc/platforms/85xx/stx_gp3.c')
| -rw-r--r-- | arch/ppc/platforms/85xx/stx_gp3.c | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c deleted file mode 100644 index 8748da3b3e0e..000000000000 --- a/arch/ppc/platforms/85xx/stx_gp3.c +++ /dev/null @@ -1,339 +0,0 @@ -/* - * STx GP3 board specific routines - * - * Dan Malek <dan@embeddededge.com> - * Copyright 2004 Embedded Edge, LLC - * - * Copied from mpc8560_ads.c - * Copyright 2002, 2003 Motorola Inc. - * - * Ported to 2.6, 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/major.h> -#include <linux/blkdev.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/root_dev.h> -#include <linux/seq_file.h> -#include <linux/serial.h> -#include <linux/initrd.h> -#include <linux/module.h> -#include <linux/fsl_devices.h> -#include <linux/interrupt.h> -#include <linux/rio.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/cpm2.h> -#include <asm/ppc_sys.h> - -#include <syslib/cpm2_pic.h> -#include <syslib/ppc85xx_common.h> - - -unsigned char __res[sizeof(bd_t)]; - -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -unsigned long pci_dram_offset = 0; -#endif - -/* Internal interrupts are all Level Sensitive, and Positive Polarity */ -static u8 gp3_openpic_initsenses[] __initdata = { - MPC85XX_INTERNAL_IRQ_SENSES, - 0x0, /* External 0: */ -#if defined(CONFIG_PCI) - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 1: PCI slot 0 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 2: PCI slot 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 3: PCI slot 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 4: PCI slot 3 */ -#else - 0x0, /* External 1: */ - 0x0, /* External 2: */ - 0x0, /* External 3: */ - 0x0, /* External 4: */ -#endif - 0x0, /* External 5: */ - 0x0, /* External 6: */ - 0x0, /* External 7: */ - 0x0, /* External 8: */ - 0x0, /* External 9: */ - 0x0, /* External 10: */ - 0x0, /* External 11: */ -}; - -/* - * Setup the architecture - */ -static void __init -gp3_setup_arch(void) -{ - bd_t *binfo = (bd_t *) __res; - unsigned int freq; - struct gianfar_platform_data *pdata; - struct gianfar_mdio_data *mdata; - - cpm2_reset(); - - /* get the core frequency */ - freq = binfo->bi_intfreq; - - if (ppc_md.progress) - ppc_md.progress("gp3_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 - - /* setup the board related info for the MDIO bus */ - mdata = (struct gianfar_mdio_data *) ppc_sys_get_pdata(MPC85xx_MDIO); - - mdata->irq[2] = MPC85xx_IRQ_EXT5; - mdata->irq[4] = 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 = 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 = 4; - 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 - - printk ("bi_immr_base = %8.8lx\n", binfo->bi_immr_base); -} - -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", -}; - -static void __init -gp3_init_IRQ(void) -{ - bd_t *binfo = (bd_t *) __res; - - /* - * Setup OpenPIC - */ - - /* 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 = gp3_openpic_initsenses; - OpenPIC_NumInitSenses = sizeof (gp3_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); - - /* - * Let openpic interrupts starting from an offset, to - * leave space for cascading interrupts underneath. - */ - openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET); - - /* Setup CPM2 PIC */ - cpm2_init_IRQ(); - - setup_irq(MPC85xx_IRQ_CPM, &cpm2_irqaction); - - return; -} - -static int -gp3_show_cpuinfo(struct seq_file *m) -{ - uint pvid, svid, phid1; - bd_t *binfo = (bd_t *) __res; - uint memsize; - unsigned int freq; - extern unsigned long total_memory; /* in mm/init */ - - /* get the core frequency */ - freq = binfo->bi_intfreq; - - pvid = mfspr(SPRN_PVR); - svid = mfspr(SPRN_SVR); - - memsize = total_memory; - - seq_printf(m, "Vendor\t\t: RPC Electronics STx \n"); - seq_printf(m, "Machine\t\t: GP3 - MPC%s\n", cur_ppc_sys_spec->ppc_sys_name); - seq_printf(m, "bus freq\t: %u.%.6u MHz\n", freq / 1000000, - 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 -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, PIRQC, PIRQD}, - {PIRQD, PIRQA, PIRQB, PIRQC}, - {PIRQC, PIRQD, PIRQA, PIRQB}, - {PIRQB, PIRQC, PIRQD, PIRQA}, - }; - - const long min_idsel = 12, max_idsel = 15, 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 -extern void mpc85xx_rio_setup(int law_start, int law_size); -void -platform_rio_init(void) -{ - /* - * The STx firmware configures the RapidIO Local Access Window - * at 0xc0000000 with a size of 512MB. - */ - 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_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 = gp3_setup_arch; - ppc_md.show_cpuinfo = gp3_show_cpuinfo; - - ppc_md.init_IRQ = gp3_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.calibrate_decr = mpc85xx_calibrate_decr; - - if (ppc_md.progress) - ppc_md.progress("platform_init(): exit", 0); - - return; -} |