diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx')
| -rw-r--r-- | arch/powerpc/platforms/85xx/Kconfig | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc8544_ds.c | 241 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_ads.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_cds.c | 125 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_mds.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/pci.c | 91 |
8 files changed, 358 insertions, 118 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 629926e01e9..f58184086c8 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -18,6 +18,7 @@ config MPC8560_ADS config MPC85xx_CDS bool "Freescale MPC85xx CDS" select DEFAULT_UIMAGE + select PPC_I8259 help This option enables support for the MPC85xx CDS board @@ -30,6 +31,7 @@ config MPC85xx_MDS config MPC8544_DS bool "Freescale MPC8544 DS" + select PPC_I8259 select DEFAULT_UIMAGE help This option enables support for the MPC8544 DS board @@ -50,9 +52,9 @@ config MPC8560 config MPC85xx bool select PPC_UDBG_16550 - select PPC_INDIRECT_PCI - select PPC_INDIRECT_PCI_BE + select PPC_INDIRECT_PCI if PCI select MPIC + select FSL_PCI if PCI select SERIAL_8250_SHARE_IRQ if SERIAL_8250 default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \ || MPC85xx_MDS || MPC8544_DS diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 4e02cbb14cf..d70f2d0f9d3 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -1,7 +1,7 @@ # # Makefile for the PowerPC 85xx linux kernel. # -obj-$(CONFIG_PPC_85xx) += misc.o pci.o +obj-$(CONFIG_PPC_85xx) += misc.o obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index 6fb90aab879..4905f6f8903 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -2,6 +2,8 @@ * MPC8544 DS Board Setup * * Author Xianghua Xiao (x.xiao@freescale.com) + * Roy Zang <tie-fei.zang@freescale.com> + * - Add PCI/PCI Exprees support * Copyright 2007 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it @@ -12,13 +14,16 @@ #include <linux/stddef.h> #include <linux/kernel.h> +#include <linux/pci.h> #include <linux/kdev_t.h> #include <linux/delay.h> #include <linux/seq_file.h> +#include <linux/interrupt.h> #include <asm/system.h> #include <asm/time.h> #include <asm/machdep.h> +#include <asm/pci-bridge.h> #include <asm/mpc85xx.h> #include <mm/mmu_decl.h> #include <asm/prom.h> @@ -27,6 +32,7 @@ #include <asm/i8259.h> #include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> #include "mpc85xx.h" #undef DEBUG @@ -37,6 +43,17 @@ #define DBG(fmt, args...) #endif +#ifdef CONFIG_PPC_I8259 +static void mpc8544_8259_cascade(unsigned int irq, struct irq_desc *desc) +{ + unsigned int cascade_irq = i8259_irq(); + + if (cascade_irq != NO_IRQ) { + generic_handle_irq(cascade_irq); + } + desc->chip->eoi(irq); +} +#endif /* CONFIG_PPC_I8259 */ void __init mpc8544_ds_pic_init(void) { @@ -96,19 +113,240 @@ void __init mpc8544_ds_pic_init(void) #endif /* CONFIG_PPC_I8259 */ } +#ifdef CONFIG_PCI +enum pirq { PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH }; + +/* + * Value in table -- IRQ number + */ +const unsigned char uli1575_irq_route_table[16] = { + 0, /* 0: Reserved */ + 0x8, + 0, /* 2: Reserved */ + 0x2, + 0x4, + 0x5, + 0x7, + 0x6, + 0, /* 8: Reserved */ + 0x1, + 0x3, + 0x9, + 0xb, + 0, /* 13: Reserved */ + 0xd, + 0xf, +}; + +static int __devinit +get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin) +{ + struct of_irq oirq; + u32 laddr[3]; + struct device_node *hosenode = hose ? hose->arch_data : NULL; + + if (!hosenode) + return -EINVAL; + + laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8); + laddr[1] = laddr[2] = 0; + of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq); + DBG("mpc8544_ds: pci irq addr %x, slot %d, pin %d, irq %d\n", + laddr[0], slot, pin, oirq.specifier[0]); + return oirq.specifier[0]; +} + +/*8259*/ +static void __devinit quirk_uli1575(struct pci_dev *dev) +{ + unsigned short temp; + struct pci_controller *hose = pci_bus_to_host(dev->bus); + unsigned char irq2pin[16]; + unsigned long pirq_map_word = 0; + u32 irq; + int i; + + /* + * ULI1575 interrupts route setup + */ + memset(irq2pin, 0, 16); /* Initialize default value 0 */ + + irq2pin[6]=PIRQA+3; /* enabled mapping for IRQ6 to PIRQD, used by SATA */ + + /* + * PIRQE -> PIRQF mapping set manually + * + * IRQ pin IRQ# + * PIRQE ---- 9 + * PIRQF ---- 10 + * PIRQG ---- 11 + * PIRQH ---- 12 + */ + for (i = 0; i < 4; i++) + irq2pin[i + 9] = PIRQE + i; + + /* Set IRQ-PIRQ Mapping to ULI1575 */ + for (i = 0; i < 16; i++) + if (irq2pin[i]) + pirq_map_word |= (uli1575_irq_route_table[i] & 0xf) + << ((irq2pin[i] - PIRQA) * 4); + + pirq_map_word |= 1<<26; /* disable INTx in EP mode*/ + + /* ULI1575 IRQ mapping conf register default value is 0xb9317542 */ + DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n", + (int)pirq_map_word); + pci_write_config_dword(dev, 0x48, pirq_map_word); + +#define ULI1575_SET_DEV_IRQ(slot, pin, reg) \ + do { \ + int irq; \ + irq = get_pci_irq_from_of(hose, slot, pin); \ + if (irq > 0 && irq < 16) \ + pci_write_config_byte(dev, reg, irq2pin[irq]); \ + else \ + printk(KERN_WARNING "ULI1575 device" \ + "(slot %d, pin %d) irq %d is invalid.\n", \ + slot, pin, irq); \ + } while(0) + + /* USB 1.1 OHCI controller 1, slot 28, pin 1 */ + ULI1575_SET_DEV_IRQ(28, 1, 0x86); + + /* USB 1.1 OHCI controller 2, slot 28, pin 2 */ + ULI1575_SET_DEV_IRQ(28, 2, 0x87); + + /* USB 1.1 OHCI controller 3, slot 28, pin 3 */ + ULI1575_SET_DEV_IRQ(28, 3, 0x88); + + /* USB 2.0 controller, slot 28, pin 4 */ + irq = get_pci_irq_from_of(hose, 28, 4); + if (irq >= 0 && irq <= 15) + pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]); + + /* Audio controller, slot 29, pin 1 */ + ULI1575_SET_DEV_IRQ(29, 1, 0x8a); + + /* Modem controller, slot 29, pin 2 */ + ULI1575_SET_DEV_IRQ(29, 2, 0x8b); + + /* HD audio controller, slot 29, pin 3 */ + ULI1575_SET_DEV_IRQ(29, 3, 0x8c); + + /* SMB interrupt: slot 30, pin 1 */ + ULI1575_SET_DEV_IRQ(30, 1, 0x8e); + + /* PMU ACPI SCI interrupt: slot 30, pin 2 */ + ULI1575_SET_DEV_IRQ(30, 2, 0x8f); + + /* Serial ATA interrupt: slot 31, pin 1 */ + ULI1575_SET_DEV_IRQ(31, 1, 0x8d); + + /* Primary PATA IDE IRQ: 14 + * Secondary PATA IDE IRQ: 15 + */ + pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]); + pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]); + + /* Set IRQ14 and IRQ15 to legacy IRQs */ + pci_read_config_word(dev, 0x46, &temp); + temp |= 0xc000; + pci_write_config_word(dev, 0x46, temp); + + /* Set i8259 interrupt trigger + * IRQ 3: Level + * IRQ 4: Level + * IRQ 5: Level + * IRQ 6: Level + * IRQ 7: Level + * IRQ 9: Level + * IRQ 10: Level + * IRQ 11: Level + * IRQ 12: Level + * IRQ 14: Edge + * IRQ 15: Edge + */ + outb(0xfa, 0x4d0); + outb(0x1e, 0x4d1); + +#undef ULI1575_SET_DEV_IRQ +} + +/* SATA */ +static void __devinit quirk_uli5288(struct pci_dev *dev) +{ + unsigned char c; + + pci_read_config_byte(dev, 0x83, &c); + c |= 0x80; /* read/write lock */ + pci_write_config_byte(dev, 0x83, c); + + pci_write_config_byte(dev, 0x09, 0x01); /* Base class code: storage */ + pci_write_config_byte(dev, 0x0a, 0x06); /* IDE disk */ + + pci_read_config_byte(dev, 0x83, &c); + c &= 0x7f; + pci_write_config_byte(dev, 0x83, c); + + pci_read_config_byte(dev, 0x84, &c); + c |= 0x01; /* emulated PATA mode enabled */ + pci_write_config_byte(dev, 0x84, c); +} + +/* PATA */ +static void __devinit quirk_uli5229(struct pci_dev *dev) +{ + unsigned short temp; + pci_write_config_word(dev, 0x04, 0x0405); /* MEM IO MSI */ + pci_read_config_word(dev, 0x4a, &temp); + temp |= 0x1000; /* Enable Native IRQ 14/15 */ + pci_write_config_word(dev, 0x4a, temp); +} + +/*Bridge*/ +static void __devinit early_uli5249(struct pci_dev *dev) +{ + unsigned char temp; + pci_write_config_word(dev, 0x04, 0x0007); /* mem access */ + pci_read_config_byte(dev, 0x7c, &temp); + pci_write_config_byte(dev, 0x7c, 0x80); /* R/W lock control */ + pci_write_config_byte(dev, 0x09, 0x01); /* set as pci-pci bridge */ + pci_write_config_byte(dev, 0x7c, temp); /* restore pci bus debug control */ + dev->class |= 0x1; +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249); +#endif /* CONFIG_PCI */ /* * Setup the architecture */ static void __init mpc8544_ds_setup_arch(void) { +#ifdef CONFIG_PCI + struct device_node *np; +#endif + if (ppc_md.progress) ppc_md.progress("mpc8544_ds_setup_arch()", 0); +#ifdef CONFIG_PCI + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == 0xb000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + } +#endif + printk("MPC8544 DS board from Freescale Semiconductor\n"); } - /* * Called very early, device-tree isn't unflattened */ @@ -124,6 +362,7 @@ define_machine(mpc8544_ds) { .probe = mpc8544_ds_probe, .setup_arch = mpc8544_ds_setup_arch, .init_IRQ = mpc8544_ds_pic_init, + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, .get_irq = mpic_get_irq, .restart = mpc85xx_restart, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h index 7286ffac2c1..5b34deef12b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx.h +++ b/arch/powerpc/platforms/85xx/mpc85xx.h @@ -15,4 +15,3 @@ */ extern void mpc85xx_restart(char *); -extern int mpc85xx_add_bridge(struct device_node *dev); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index 7235f702394..40a828675c7 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -29,6 +29,7 @@ #include <asm/udbg.h> #include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> #include "mpc85xx.h" #ifdef CONFIG_CPM2 @@ -217,7 +218,7 @@ static void __init mpc85xx_ads_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - mpc85xx_add_bridge(np); + fsl_add_bridge(np, 1); ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 50c8d645836..6a171e9abf7 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -24,6 +24,7 @@ #include <linux/seq_file.h> #include <linux/initrd.h> #include <linux/module.h> +#include <linux/interrupt.h> #include <linux/fsl_devices.h> #include <asm/system.h> @@ -45,6 +46,7 @@ #include <asm/i8259.h> #include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> #include "mpc85xx.h" static int cds_pci_slot = 2; @@ -58,8 +60,6 @@ static volatile u8 *cadmus; static int mpc85xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { - if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; /* We explicitly do not go past the Tundra 320 Bridge */ if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) return PCIBIOS_DEVICE_NOT_FOUND; @@ -69,6 +69,37 @@ static int mpc85xx_exclude_device(struct pci_controller *hose, return PCIBIOS_SUCCESSFUL; } +static void mpc85xx_cds_restart(char *cmd) +{ + struct pci_dev *dev; + u_char tmp; + + if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, + NULL))) { + + /* Use the VIA Super Southbridge to force a PCI reset */ + pci_read_config_byte(dev, 0x47, &tmp); + pci_write_config_byte(dev, 0x47, tmp | 1); + + /* Flush the outbound PCI write queues */ + pci_read_config_byte(dev, 0x47, &tmp); + + /* + * At this point, the harware reset should have triggered. + * However, if it doesn't work for some mysterious reason, + * just fall through to the default reset below. + */ + + pci_dev_put(dev); + } + + /* + * If we can't find the VIA chip (maybe the P2P bridge is disabled) + * or the VIA chip reset didn't work, just use the default reset. + */ + mpc85xx_restart(NULL); +} + static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) { u_char c; @@ -98,7 +129,7 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) /* There are two USB controllers. * Identify them by functon number */ - if (PCI_FUNC(dev->devfn)) + if (PCI_FUNC(dev->devfn) == 3) dev->irq = 11; else dev->irq = 10; @@ -109,17 +140,41 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) } } +static void __devinit skip_fake_bridge(struct pci_dev *dev) +{ + /* Make it an error to skip the fake bridge + * in pci_setup_device() in probe.c */ + dev->hdr_type = 0x7f; +} +DECLARE_PCI_FIXUP_EARLY(0x1957, 0x3fff, skip_fake_bridge); +DECLARE_PCI_FIXUP_EARLY(0x3fff, 0x1957, skip_fake_bridge); +DECLARE_PCI_FIXUP_EARLY(0xff3f, 0x5719, skip_fake_bridge); + #ifdef CONFIG_PPC_I8259 -#warning The i8259 PIC support is currently broken -static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void mpc85xx_8259_cascade_handler(unsigned int irq, + struct irq_desc *desc) { unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) + /* handle an interrupt from the 8259 */ generic_handle_irq(cascade_irq); - desc->chip->eoi(irq); + /* check for any interrupts from the shared IRQ line */ + handle_fasteoi_irq(irq, desc); +} + +static irqreturn_t mpc85xx_8259_cascade_action(int irq, void *dev_id) +{ + return IRQ_HANDLED; } + +static struct irqaction mpc85xxcds_8259_irqaction = { + .handler = mpc85xx_8259_cascade_action, + .flags = IRQF_SHARED, + .mask = CPU_MASK_NONE, + .name = "8259 cascade", +}; #endif /* PPC_I8259 */ #endif /* CONFIG_PCI */ @@ -128,10 +183,6 @@ static void __init mpc85xx_cds_pic_init(void) struct mpic *mpic; struct resource r; struct device_node *np = NULL; -#ifdef CONFIG_PPC_I8259 - struct device_node *cascade_node = NULL; - int cascade_irq; -#endif np = of_find_node_by_type(np, "open-pic"); @@ -155,8 +206,19 @@ static void __init mpc85xx_cds_pic_init(void) of_node_put(np); mpic_init(mpic); +} + +#if defined(CONFIG_PPC_I8259) && defined(CONFIG_PCI) +static int mpc85xx_cds_8259_attach(void) +{ + int ret; + struct device_node *np = NULL; + struct device_node *cascade_node = NULL; + int cascade_irq; + + if (!machine_is(mpc85xx_cds)) + return 0; -#ifdef CONFIG_PPC_I8259 /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") if (of_device_is_compatible(np, "chrp,iic")) { @@ -166,22 +228,39 @@ static void __init mpc85xx_cds_pic_init(void) if (cascade_node == NULL) { printk(KERN_DEBUG "Could not find i8259 PIC\n"); - return; + return -ENODEV; } cascade_irq = irq_of_parse_and_map(cascade_node, 0); if (cascade_irq == NO_IRQ) { printk(KERN_ERR "Failed to map cascade interrupt\n"); - return; + return -ENXIO; } i8259_init(cascade_node, 0); of_node_put(cascade_node); - set_irq_chained_handler(cascade_irq, mpc85xx_8259_cascade); -#endif /* CONFIG_PPC_I8259 */ + /* + * Hook the interrupt to make sure desc->action is never NULL. + * This is required to ensure that the interrupt does not get + * disabled when the last user of the shared IRQ line frees their + * interrupt. + */ + if ((ret = setup_irq(cascade_irq, &mpc85xxcds_8259_irqaction))) { + printk(KERN_ERR "Failed to setup cascade interrupt\n"); + return ret; + } + + /* Success. Connect our low-level cascade handler. */ + set_irq_handler(cascade_irq, mpc85xx_8259_cascade_handler); + + return 0; } +device_initcall(mpc85xx_cds_8259_attach); + +#endif /* CONFIG_PPC_I8259 */ + /* * Setup the architecture */ @@ -218,9 +297,14 @@ static void __init mpc85xx_cds_setup_arch(void) } #ifdef CONFIG_PCI - for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - mpc85xx_add_bridge(np); - + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + } ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif @@ -265,7 +349,12 @@ define_machine(mpc85xx_cds) { .init_IRQ = mpc85xx_cds_pic_init, .show_cpuinfo = mpc85xx_cds_show_cpuinfo, .get_irq = mpic_get_irq, +#ifdef CONFIG_PCI + .restart = mpc85xx_cds_restart, +#else .restart = mpc85xx_restart, +#endif .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 004b80bd0b8..e8003bf00c9 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -46,6 +46,7 @@ #include <asm/prom.h> #include <asm/udbg.h> #include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> #include <asm/qe.h> #include <asm/qe_ic.h> #include <asm/mpic.h> @@ -94,9 +95,8 @@ static void __init mpc85xx_mds_setup_arch(void) } #ifdef CONFIG_PCI - for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) { - mpc85xx_add_bridge(np); - } + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) + fsl_add_bridge(np, 1); of_node_put(np); #endif @@ -208,4 +208,5 @@ define_machine(mpc85xx_mds) { .restart = mpc85xx_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, }; diff --git a/arch/powerpc/platforms/85xx/pci.c b/arch/powerpc/platforms/85xx/pci.c deleted file mode 100644 index 8118417b736..00000000000 --- a/arch/powerpc/platforms/85xx/pci.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * FSL SoC setup code - * - * Maintained by Kumar Gala (see MAINTAINERS for contact information) - * - * 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/pci.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/module.h> - -#include <asm/system.h> -#include <asm/atomic.h> -#include <asm/io.h> -#include <asm/pci-bridge.h> -#include <asm/prom.h> -#include <sysdev/fsl_soc.h> - -#undef DEBUG - -#ifdef DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) -#endif - -#ifdef CONFIG_PCI -int __init mpc85xx_add_bridge(struct device_node *dev) -{ - int len; - struct pci_controller *hose; - struct resource rsrc; - const int *bus_range; - int primary = 1, has_address = 0; - phys_addr_t immr = get_immrbase(); - - DBG("Adding PCI host bridge %s\n", dev->full_name); - - /* Fetch host bridge registers address */ - has_address = (of_address_to_resource(dev, 0, &rsrc) == 0); - - /* Get bus range if any */ - bus_range = of_get_property(dev, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING "Can't get bus-range for %s, assume" - " bus 0\n", dev->full_name); - } - - pci_assign_all_buses = 1; - hose = pcibios_alloc_controller(dev); - if (!hose) - return -ENOMEM; - - hose->first_busno = bus_range ? bus_range[0] : 0; - hose->last_busno = bus_range ? bus_range[1] : 0xff; - - /* PCI 1 */ - if ((rsrc.start & 0xfffff) == 0x8000) { - setup_indirect_pci(hose, immr + 0x8000, immr + 0x8004); - } - /* PCI 2 */ - if ((rsrc.start & 0xfffff) == 0x9000) { - setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004); - primary = 0; - } - - printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. " - "Firmware bus number: %d->%d\n", - (unsigned long long)rsrc.start, hose->first_busno, - hose->last_busno); - - DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n", - hose, hose->cfg_addr, hose->cfg_data); - - /* Interpret the "ranges" property */ - /* This also maps the I/O region and sets isa_io/mem_base */ - pci_process_bridge_OF_ranges(hose, dev, primary); - - return 0; -} - -#endif |