diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx')
| -rw-r--r-- | arch/powerpc/platforms/85xx/misc.c | 32 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc8544_ds.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_ads.c | 32 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_cds.c | 116 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_mds.c | 28 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/pci.c | 11 |
7 files changed, 82 insertions, 154 deletions
diff --git a/arch/powerpc/platforms/85xx/misc.c b/arch/powerpc/platforms/85xx/misc.c index 3e62fcb04c1..4fe376e9c3b 100644 --- a/arch/powerpc/platforms/85xx/misc.c +++ b/arch/powerpc/platforms/85xx/misc.c @@ -13,11 +13,43 @@ #include <linux/irq.h> #include <linux/module.h> #include <asm/irq.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <sysdev/fsl_soc.h> + +static __be32 __iomem *rstcr; extern void abort(void); +static int __init mpc85xx_rstcr(void) +{ + struct device_node *np; + np = of_find_node_by_name(NULL, "global-utilities"); + if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { + const u32 *prop = of_get_property(np, "reg", NULL); + if (prop) { + /* map reset control register + * 0xE00B0 is offset of reset control register + */ + rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); + if (!rstcr) + printk (KERN_EMERG "Error: reset control " + "register not mapped!\n"); + } + } else + printk (KERN_INFO "rstcr compatible register does not exist!\n"); + if (np) + of_node_put(np); + return 0; +} + +arch_initcall(mpc85xx_rstcr); + void mpc85xx_restart(char *cmd) { local_irq_disable(); + if (rstcr) + /* set reset control register */ + out_be32(rstcr, 0x2); /* HRESET_REQ */ abort(); } diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index bec84ffe708..6fb90aab879 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -61,24 +61,11 @@ void __init mpc8544_ds_pic_init(void) return; } - /* Alloc mpic structure and per isu has 16 INT entries. */ mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 16, 64, " OPENPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - /* - * 48 Internal Interrupts - */ - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10400); - mpic_assign_isu(mpic, 2, r.start + 0x10600); - - /* - * 16 External interrupts - */ - mpic_assign_isu(mpic, 3, r.start + 0x10000); - mpic_init(mpic); #ifdef CONFIG_PPC_I8259 diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h index 83415db3337..7286ffac2c1 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx.h +++ b/arch/powerpc/platforms/85xx/mpc85xx.h @@ -15,4 +15,4 @@ */ extern void mpc85xx_restart(char *); -extern int add_bridge(struct device_node *dev); +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 5d27621f092..7235f702394 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -38,13 +38,9 @@ #include <asm/fs_pd.h> #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - #ifdef CONFIG_PCI -static int mpc85xx_exclude_device(u_char bus, u_char devfn) +static int mpc85xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { if (bus == 0 && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; @@ -91,30 +87,10 @@ static void __init mpc85xx_ads_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - - /* Unused on this platform (leave room for 8548) */ - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_CPM2 @@ -241,7 +217,7 @@ static void __init mpc85xx_ads_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc85xx_add_bridge(np); 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 1490eb3ce0d..50c8d645836 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -47,11 +47,6 @@ #include <sysdev/fsl_soc.h> #include "mpc85xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static int cds_pci_slot = 2; static volatile u8 *cadmus; @@ -60,15 +55,11 @@ static volatile u8 *cadmus; #define ARCADIA_HOST_BRIDGE_IDSEL 17 #define ARCADIA_2ND_BRIDGE_IDSEL 3 -extern int mpc85xx_pci2_busno; - -static int mpc85xx_exclude_device(u_char bus, u_char devfn) +static int mpc85xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { - if (bus == 0 && PCI_SLOT(devfn) == 0) + if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc85xx_pci2_busno) - if (bus == (mpc85xx_pci2_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; @@ -78,52 +69,44 @@ static int mpc85xx_exclude_device(u_char bus, u_char devfn) return PCIBIOS_SUCCESSFUL; } -static void __init mpc85xx_cds_pcibios_fixup(void) +static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) { - struct pci_dev *dev; - u_char c; - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_1, NULL))) { + u_char c; + if (dev->vendor == PCI_VENDOR_ID_VIA) { + switch (dev->device) { + case PCI_DEVICE_ID_VIA_82C586_1: + /* + * U-Boot does not set the enable bits + * for the IDE device. Force them on here. + */ + pci_read_config_byte(dev, 0x40, &c); + c |= 0x03; /* IDE: Chip Enable Bits */ + pci_write_config_byte(dev, 0x40, c); + + /* + * Since only primary interface works, force the + * IDE function to standard primary IDE interrupt + * w/ 8259 offset + */ + dev->irq = 14; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + break; /* - * U-Boot does not set the enable bits - * for the IDE device. Force them on here. + * Force legacy USB interrupt routing */ - pci_read_config_byte(dev, 0x40, &c); - c |= 0x03; /* IDE: Chip Enable Bits */ - pci_write_config_byte(dev, 0x40, c); - - /* - * Since only primary interface works, force the - * IDE function to standard primary IDE interrupt - * w/ 8259 offset + case PCI_DEVICE_ID_VIA_82C586_2: + /* There are two USB controllers. + * Identify them by functon number */ - dev->irq = 14; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - pci_dev_put(dev); - } - - /* - * Force legacy USB interrupt routing - */ - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, NULL))) { - dev->irq = 10; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10); - pci_dev_put(dev); - } - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, dev))) { - dev->irq = 11; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); - pci_dev_put(dev); + if (PCI_FUNC(dev->devfn)) + dev->irq = 11; + else + dev->irq = 10; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + default: + break; + } } - - /* Now map all the PCI irqs */ - dev = NULL; - for_each_pci_dev(dev) - pci_read_irq_line(dev); } #ifdef CONFIG_PPC_I8259 @@ -165,33 +148,12 @@ static void __init mpc85xx_cds_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); /* Return the mpic node */ of_node_put(np); - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - - /* Used only for 8548 so far, but no harm in - * allocating them for everyone */ - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_PPC_I8259 @@ -257,9 +219,9 @@ static void __init mpc85xx_cds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc85xx_add_bridge(np); - ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup; + ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index e3dddbfe66f..004b80bd0b8 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -59,11 +59,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture @@ -100,7 +95,7 @@ static void __init mpc85xx_mds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) { - add_bridge(np); + mpc85xx_add_bridge(np); } of_node_put(np); #endif @@ -181,29 +176,10 @@ static void __init mpc85xx_mds_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); - /* Internal Interrupts */ - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_QUICC_ENGINE diff --git a/arch/powerpc/platforms/85xx/pci.c b/arch/powerpc/platforms/85xx/pci.c index 48f17e23d77..8118417b736 100644 --- a/arch/powerpc/platforms/85xx/pci.c +++ b/arch/powerpc/platforms/85xx/pci.c @@ -33,10 +33,8 @@ #define DBG(x...) #endif -int mpc85xx_pci2_busno = 0; - #ifdef CONFIG_PCI -int __init add_bridge(struct device_node *dev) +int __init mpc85xx_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -57,11 +55,10 @@ int __init add_bridge(struct device_node *dev) " bus 0\n", dev->full_name); } - hose = pcibios_alloc_controller(); + pci_assign_all_buses = 1; + hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; - hose->arch_data = dev; - hose->set_cfg_type = 1; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; @@ -74,8 +71,6 @@ int __init add_bridge(struct device_node *dev) if ((rsrc.start & 0xfffff) == 0x9000) { setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004); primary = 0; - hose->bus_offset = hose->first_busno; - mpc85xx_pci2_busno = hose->first_busno; } printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. " |