diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8544ds.dts | 88 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8641_hpcn.dts | 114 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc8544_ds.c | 214 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 224 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Makefile | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/fsl_uli1575.c | 255 |
9 files changed, 363 insertions, 545 deletions
diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts b/arch/powerpc/boot/dts/mpc8544ds.dts index 4680e2010887..3e79bf0a3159 100644 --- a/arch/powerpc/boot/dts/mpc8544ds.dts +++ b/arch/powerpc/boot/dts/mpc8544ds.dts @@ -44,8 +44,18 @@ #size-cells = <1>; #interrupt-cells = <2>; device_type = "soc"; - ranges = <0 e0000000 00100000>; - reg = <e0000000 00100000>; // CCSRBAR 1M + + + ranges = <00001000 e0001000 000ff000 + 80000000 80000000 20000000 + a0000000 a0000000 10000000 + b0000000 b0000000 00100000 + c0000000 c0000000 20000000 + b0100000 b0100000 00100000 + e1000000 e1000000 00010000 + e1010000 e1010000 00010000 + e1020000 e1020000 00010000>; + reg = <e0000000 00001000>; // CCSRBAR 1M bus-frequency = <0>; // Filled out by uboot. memory-controller@2000 { @@ -161,8 +171,8 @@ interrupt-parent = <&mpic>; interrupts = <18 2>; bus-range = <0 ff>; - ranges = <02000000 0 80000000 80000000 0 10000000 - 01000000 0 00000000 e2000000 0 00800000>; + ranges = <02000000 0 c0000000 c0000000 0 20000000 + 01000000 0 00000000 e1000000 0 00010000>; clock-frequency = <3f940aa>; #interrupt-cells = <1>; #size-cells = <2>; @@ -178,8 +188,8 @@ #address-cells = <3>; reg = <9000 1000>; bus-range = <0 ff>; - ranges = <02000000 0 90000000 90000000 0 10000000 - 01000000 0 00000000 e3000000 0 00800000>; + ranges = <02000000 0 80000000 80000000 0 20000000 + 01000000 0 00000000 e1010000 0 00010000>; clock-frequency = <1fca055>; interrupt-parent = <&mpic>; interrupts = <1a 2>; @@ -202,7 +212,7 @@ reg = <a000 1000>; bus-range = <0 ff>; ranges = <02000000 0 a0000000 a0000000 0 10000000 - 01000000 0 00000000 e2800000 0 00800000>; + 01000000 0 00000000 e1020000 0 00010000>; clock-frequency = <1fca055>; interrupt-parent = <&mpic>; interrupts = <19 2>; @@ -224,49 +234,29 @@ #address-cells = <3>; reg = <b000 1000>; bus-range = <0 ff>; - ranges = <02000000 0 b0000000 b0000000 0 10000000 - 01000000 0 00000000 e3800000 0 00800000>; + ranges = <02000000 0 b0000000 b0000000 0 00100000 + 01000000 0 00000000 b0100000 0 00100000>; clock-frequency = <1fca055>; interrupt-parent = <&mpic>; interrupts = <1b 2>; - interrupt-map-mask = <f800 0 0 7>; + interrupt-map-mask = <fb00 0 0 0>; interrupt-map = < - - // IDSEL 0x1a - d000 0 0 1 &i8259 6 2 - d000 0 0 2 &i8259 3 2 - d000 0 0 3 &i8259 4 2 - d000 0 0 4 &i8259 5 2 - - // IDSEL 0x1b - d800 0 0 1 &i8259 5 2 - d800 0 0 2 &i8259 0 0 - d800 0 0 3 &i8259 0 0 - d800 0 0 4 &i8259 0 0 - // IDSEL 0x1c USB - e000 0 0 1 &i8259 9 2 - e000 0 0 2 &i8259 a 2 - e000 0 0 3 &i8259 c 2 - e000 0 0 4 &i8259 7 2 + e000 0 0 0 &i8259 c 2 + e100 0 0 0 &i8259 9 2 + e200 0 0 0 &i8259 a 2 + e300 0 0 0 &i8259 b 2 // IDSEL 0x1d Audio - e800 0 0 1 &i8259 9 2 - e800 0 0 2 &i8259 a 2 - e800 0 0 3 &i8259 b 2 - e800 0 0 4 &i8259 0 0 + e800 0 0 0 &i8259 6 2 // IDSEL 0x1e Legacy - f000 0 0 1 &i8259 c 2 - f000 0 0 2 &i8259 0 0 - f000 0 0 3 &i8259 0 0 - f000 0 0 4 &i8259 0 0 + f000 0 0 0 &i8259 7 2 + f100 0 0 0 &i8259 7 2 // IDSEL 0x1f IDE/SATA - f800 0 0 1 &i8259 6 2 - f800 0 0 2 &i8259 0 0 - f800 0 0 3 &i8259 0 0 - f800 0 0 4 &i8259 0 0 + f800 0 0 0 &i8259 e 2 + f900 0 0 0 &i8259 5 2 >; uli1575@0 { reg = <0 0 0 0 0>; @@ -274,10 +264,10 @@ #address-cells = <3>; ranges = <02000000 0 b0000000 02000000 0 b0000000 - 0 10000000 + 0 00100000 01000000 0 00000000 01000000 0 00000000 - 0 00080000>; + 0 00100000>; pci_bridge@0 { reg = <0 0 0 0 0>; @@ -285,10 +275,10 @@ #address-cells = <3>; ranges = <02000000 0 b0000000 02000000 0 b0000000 - 0 20000000 + 0 00100000 01000000 0 00000000 01000000 0 00000000 - 0 00100000>; + 0 00100000>; isa@1e { device_type = "isa"; @@ -296,7 +286,8 @@ #size-cells = <1>; #address-cells = <2>; reg = <f000 0 0 0 0>; - ranges = <1 0 01000000 0 0 + ranges = <1 0 + 01000000 0 0 00001000>; interrupt-parent = <&i8259>; @@ -312,8 +303,7 @@ built-in; compatible = "chrp,iic"; interrupts = <9 2>; - interrupt-parent = - <&mpic>; + interrupt-parent = <&mpic>; }; i8042@60 { @@ -321,8 +311,7 @@ #address-cells = <1>; reg = <1 60 1 1 64 1>; interrupts = <1 3 c 3>; - interrupt-parent = - <&i8259>; + interrupt-parent = <&i8259>; keyboard@0 { reg = <0>; @@ -336,8 +325,7 @@ }; rtc@70 { - compatible = - "pnpPNP,b00"; + compatible = "pnpPNP,b00"; reg = <1 70 2>; }; diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index 5d82709cfcbb..b0166e5c177e 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -224,98 +224,36 @@ clock-frequency = <1fca055>; interrupt-parent = <&mpic>; interrupts = <18 2>; - interrupt-map-mask = <f800 0 0 7>; + interrupt-map-mask = <fb00 0 0 0>; interrupt-map = < /* IDSEL 0x11 */ - 8800 0 0 1 &i8259 3 2 - 8800 0 0 2 &i8259 4 2 - 8800 0 0 3 &i8259 5 2 - 8800 0 0 4 &i8259 6 2 + 8800 0 0 1 &i8259 9 2 + 8800 0 0 2 &i8259 a 2 + 8800 0 0 3 &i8259 b 2 + 8800 0 0 4 &i8259 c 2 /* IDSEL 0x12 */ - 9000 0 0 1 &i8259 4 2 - 9000 0 0 2 &i8259 5 2 - 9000 0 0 3 &i8259 6 2 - 9000 0 0 4 &i8259 3 2 - - /* IDSEL 0x13 */ - 9800 0 0 1 &i8259 0 0 - 9800 0 0 2 &i8259 0 0 - 9800 0 0 3 &i8259 0 0 - 9800 0 0 4 &i8259 0 0 - - /* IDSEL 0x14 */ - a000 0 0 1 &i8259 0 0 - a000 0 0 2 &i8259 0 0 - a000 0 0 3 &i8259 0 0 - a000 0 0 4 &i8259 0 0 - - /* IDSEL 0x15 */ - a800 0 0 1 &i8259 0 0 - a800 0 0 2 &i8259 0 0 - a800 0 0 3 &i8259 0 0 - a800 0 0 4 &i8259 0 0 - - /* IDSEL 0x16 */ - b000 0 0 1 &i8259 0 0 - b000 0 0 2 &i8259 0 0 - b000 0 0 3 &i8259 0 0 - b000 0 0 4 &i8259 0 0 - - /* IDSEL 0x17 */ - b800 0 0 1 &i8259 0 0 - b800 0 0 2 &i8259 0 0 - b800 0 0 3 &i8259 0 0 - b800 0 0 4 &i8259 0 0 - - /* IDSEL 0x18 */ - c000 0 0 1 &i8259 0 0 - c000 0 0 2 &i8259 0 0 - c000 0 0 3 &i8259 0 0 - c000 0 0 4 &i8259 0 0 - - /* IDSEL 0x19 */ - c800 0 0 1 &i8259 0 0 - c800 0 0 2 &i8259 0 0 - c800 0 0 3 &i8259 0 0 - c800 0 0 4 &i8259 0 0 - - /* IDSEL 0x1a */ - d000 0 0 1 &i8259 6 2 - d000 0 0 2 &i8259 3 2 - d000 0 0 3 &i8259 4 2 - d000 0 0 4 &i8259 5 2 - - - /* IDSEL 0x1b */ - d800 0 0 1 &i8259 5 2 - d800 0 0 2 &i8259 0 0 - d800 0 0 3 &i8259 0 0 - d800 0 0 4 &i8259 0 0 - - /* IDSEL 0x1c */ - e000 0 0 1 &i8259 9 2 - e000 0 0 2 &i8259 a 2 - e000 0 0 3 &i8259 c 2 - e000 0 0 4 &i8259 7 2 - - /* IDSEL 0x1d */ - e800 0 0 1 &i8259 9 2 - e800 0 0 2 &i8259 a 2 - e800 0 0 3 &i8259 b 2 - e800 0 0 4 &i8259 0 0 - - /* IDSEL 0x1e */ - f000 0 0 1 &i8259 c 2 - f000 0 0 2 &i8259 0 0 - f000 0 0 3 &i8259 0 0 - f000 0 0 4 &i8259 0 0 - - /* IDSEL 0x1f */ - f800 0 0 1 &i8259 6 2 - f800 0 0 2 &i8259 0 0 - f800 0 0 3 &i8259 0 0 - f800 0 0 4 &i8259 0 0 + 9000 0 0 1 &i8259 a 2 + 9000 0 0 2 &i8259 b 2 + 9000 0 0 3 &i8259 c 2 + 9000 0 0 4 &i8259 9 2 + + // IDSEL 0x1c USB + e000 0 0 0 &i8259 c 2 + e100 0 0 0 &i8259 9 2 + e200 0 0 0 &i8259 a 2 + e300 0 0 0 &i8259 b 2 + + // IDSEL 0x1d Audio + e800 0 0 0 &i8259 6 2 + + // IDSEL 0x1e Legacy + f000 0 0 0 &i8259 7 2 + f100 0 0 0 &i8259 7 2 + + // IDSEL 0x1f IDE/SATA + f800 0 0 0 &i8259 e 2 + f900 0 0 0 &i8259 5 2 >; uli1575@0 { reg = <0 0 0 0 0>; diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index f58184086c8c..f620171ad6b1 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -33,6 +33,7 @@ config MPC8544_DS bool "Freescale MPC8544 DS" select PPC_I8259 select DEFAULT_UIMAGE + select FSL_ULI1575 help This option enables support for the MPC8544 DS board diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index 4905f6f8903b..0f834d8be444 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -114,211 +114,25 @@ void __init mpc8544_ds_pic_init(void) } #ifdef CONFIG_PCI -enum pirq { PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH }; +extern int uses_fsl_uli_m1575; +extern int uli_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn); -/* - * 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) +static int mpc85xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { - 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 */ + struct device_node* node; + struct resource rsrc; - 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); -} + node = (struct device_node *)hose->arch_data; + of_address_to_resource(node, 0, &rsrc); -/* 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); -} + if ((rsrc.start & 0xfffff) == 0xb000) { + return uli_exclude_device(hose, bus, devfn); + } -/*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; + return PCIBIOS_SUCCESSFUL; } - -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 */ /* @@ -342,6 +156,8 @@ static void __init mpc8544_ds_setup_arch(void) else fsl_add_bridge(np, 0); } + uses_fsl_uli_m1575 = 1; + ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif printk("MPC8544 DS board from Freescale Semiconductor\n"); diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 343b76d0d793..685b2fbbbe00 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -7,6 +7,7 @@ config MPC8641_HPCN bool "Freescale MPC8641 HPCN" select PPC_I8259 select DEFAULT_UIMAGE + select FSL_ULI1575 help This option enables support for the MPC8641 HPCN board. diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index e9eaa0749ae6..56b27caf7a27 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -107,220 +107,25 @@ mpc86xx_hpcn_init_irq(void) } #ifdef CONFIG_PCI +extern int uses_fsl_uli_m1575; +extern int uli_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn); -enum pirq{PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH}; -const unsigned char uli1575_irq_route_table[16] = { - 0, /* 0: Reserved */ - 0x8, /* 1: 0b1000 */ - 0, /* 2: Reserved */ - 0x2, /* 3: 0b0010 */ - 0x4, /* 4: 0b0100 */ - 0x5, /* 5: 0b0101 */ - 0x7, /* 6: 0b0111 */ - 0x6, /* 7: 0b0110 */ - 0, /* 8: Reserved */ - 0x1, /* 9: 0b0001 */ - 0x3, /* 10: 0b0011 */ - 0x9, /* 11: 0b1001 */ - 0xb, /* 12: 0b1011 */ - 0, /* 13: Reserved */ - 0xd, /* 14, 0b1101 */ - 0xf, /* 15, 0b1111 */ -}; - -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("mpc86xx_hpcn: pci irq addr %x, slot %d, pin %d, irq %d\n", - laddr[0], slot, pin, oirq.specifier[0]); - return oirq.specifier[0]; -} - -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], c; - unsigned long pirq_map_word = 0; - u32 irq; - int i; - - /* - * ULI1575 interrupts route setup - */ - memset(irq2pin, 0, 16); /* Initialize default value 0 */ - - /* - * PIRQA -> PIRQD mapping read from OF-tree - * - * interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD - * PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA - */ - for (i = 0; i < 4; i++){ - irq = get_pci_irq_from_of(hose, 17, i + 1); - if (irq > 0 && irq < 16) - irq2pin[irq] = PIRQA + i; - else - printk(KERN_WARNING "ULI1575 device" - "(slot %d, pin %d) irq %d is invalid.\n", - 17, i, irq); - } - - /* - * 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); - - /* ULI1575 IRQ mapping conf register default value is 0xb9317542 */ - DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n", - 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 - - /* Disable the HD interface and enable the AC97 interface. */ - pci_read_config_byte(dev, 0xb8, &c); - c &= 0x7f; - pci_write_config_byte(dev, 0xb8, c); -} - -static void __devinit quirk_uli5288(struct pci_dev *dev) +static int mpc86xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { - unsigned char c; + struct device_node* node; + struct resource rsrc; - pci_read_config_byte(dev,0x83,&c); - c |= 0x80; - pci_write_config_byte(dev, 0x83, c); + node = (struct device_node *)hose->arch_data; + of_address_to_resource(node, 0, &rsrc); - pci_write_config_byte(dev, 0x09, 0x01); - pci_write_config_byte(dev, 0x0a, 0x06); - - 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; - pci_write_config_byte(dev, 0x84, c); -} - -static void __devinit quirk_uli5229(struct pci_dev *dev) -{ - unsigned short temp; - pci_write_config_word(dev, 0x04, 0x0405); - dev->class &= ~0x5; - pci_read_config_word(dev, 0x4a, &temp); - temp |= 0x1000; - pci_write_config_word(dev, 0x4a, temp); -} + if ((rsrc.start & 0xfffff) == 0x8000) { + return uli_exclude_device(hose, bus, devfn); + } -static void __devinit early_uli5249(struct pci_dev *dev) -{ - unsigned char temp; - pci_write_config_word(dev, 0x04, 0x0007); - pci_read_config_byte(dev, 0x7c, &temp); - pci_write_config_byte(dev, 0x7c, 0x80); - pci_write_config_byte(dev, 0x09, 0x01); - pci_write_config_byte(dev, 0x7c, temp); - dev->class |= 0x1; + return PCIBIOS_SUCCESSFUL; } - -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 */ @@ -353,6 +158,9 @@ mpc86xx_hpcn_setup_arch(void) else fsl_add_bridge(np, 0); } + uses_fsl_uli_m1575 = 1; + ppc_md.pci_exclude_device = mpc86xx_exclude_device; + #endif printk("MPC86xx HPCN board from Freescale Semiconductor\n"); diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 932538a93c2b..cfc249741592 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -282,4 +282,12 @@ config AXON_RAM minor numbers are available in /proc/devices, /proc/partitions or in /sys/block/axonram?/dev. +config FSL_ULI1575 + bool + default n + help + Supports for the ULI1575 PCIe south bridge that exists on some + Freescale reference boards. The boards all use the ULI in pretty + much the same way. + endmenu diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index d6e041a46d25..d44e832b01f2 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -1,3 +1,6 @@ + +obj-$(CONFIG_FSL_ULI1575) += fsl_uli1575.o + ifeq ($(CONFIG_PPC_MERGE),y) obj-$(CONFIG_PPC_PMAC) += powermac/ else diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c new file mode 100644 index 000000000000..afc9141be63e --- /dev/null +++ b/arch/powerpc/platforms/fsl_uli1575.c @@ -0,0 +1,255 @@ +/* + * ULI M1575 setup code - specific to Freescale boards + * + * Copyright 2007 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/pci.h> +#include <linux/interrupt.h> +#include <linux/mc146818rtc.h> + +#include <asm/system.h> +#include <asm/pci-bridge.h> + +#define ULI_PIRQA 0x08 +#define ULI_PIRQB 0x09 +#define ULI_PIRQC 0x0a +#define ULI_PIRQD 0x0b +#define ULI_PIRQE 0x0c +#define ULI_PIRQF 0x0d +#define ULI_PIRQG 0x0e + +#define ULI_8259_NONE 0x00 +#define ULI_8259_IRQ1 0x08 +#define ULI_8259_IRQ3 0x02 +#define ULI_8259_IRQ4 0x04 +#define ULI_8259_IRQ5 0x05 +#define ULI_8259_IRQ6 0x07 +#define ULI_8259_IRQ7 0x06 +#define ULI_8259_IRQ9 0x01 +#define ULI_8259_IRQ10 0x03 +#define ULI_8259_IRQ11 0x09 +#define ULI_8259_IRQ12 0x0b +#define ULI_8259_IRQ14 0x0d +#define ULI_8259_IRQ15 0x0f + +u8 uli_pirq_to_irq[8] = { + ULI_8259_IRQ9, /* PIRQA */ + ULI_8259_IRQ10, /* PIRQB */ + ULI_8259_IRQ11, /* PIRQC */ + ULI_8259_IRQ12, /* PIRQD */ + ULI_8259_IRQ5, /* PIRQE */ + ULI_8259_IRQ6, /* PIRQF */ + ULI_8259_IRQ7, /* PIRQG */ + ULI_8259_NONE, /* PIRQH */ +}; + +/* set in board code if you want this quirks to do something */ +int uses_fsl_uli_m1575; + +/* Bridge */ +static void __devinit early_uli5249(struct pci_dev *dev) +{ + unsigned char temp; + + if (!uses_fsl_uli_m1575) + return; + + pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + + /* read/write lock */ + pci_read_config_byte(dev, 0x7c, &temp); + pci_write_config_byte(dev, 0x7c, 0x80); + + /* set as P2P bridge */ + pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01); + dev->class |= 0x1; + + /* restore lock */ + pci_write_config_byte(dev, 0x7c, temp); +} + + +static void __devinit quirk_uli1575(struct pci_dev *dev) +{ + int i; + + if (!uses_fsl_uli_m1575) + return; + + /* + * ULI1575 interrupts route setup + */ + + /* ULI1575 IRQ mapping conf register maps PIRQx to IRQn */ + for (i = 0; i < 4; i++) { + u8 val = uli_pirq_to_irq[i*2] | (uli_pirq_to_irq[i*2+1] << 4); + pci_write_config_byte(dev, 0x48 + i, val); + } + + /* USB 1.1 OHCI controller 1: dev 28, func 0 - IRQ12 */ + pci_write_config_byte(dev, 0x86, ULI_PIRQD); + + /* USB 1.1 OHCI controller 2: dev 28, func 1 - IRQ9 */ + pci_write_config_byte(dev, 0x87, ULI_PIRQA); + + /* USB 1.1 OHCI controller 3: dev 28, func 2 - IRQ10 */ + pci_write_config_byte(dev, 0x88, ULI_PIRQB); + + /* Lan controller: dev 27, func 0 - IRQ6 */ + pci_write_config_byte(dev, 0x89, ULI_PIRQF); + + /* AC97 Audio controller: dev 29, func 0 - IRQ6 */ + pci_write_config_byte(dev, 0x8a, ULI_PIRQF); + + /* Modem controller: dev 29, func 1 - IRQ6 */ + pci_write_config_byte(dev, 0x8b, ULI_PIRQF); + + /* HD Audio controller: dev 29, func 2 - IRQ6 */ + pci_write_config_byte(dev, 0x8c, ULI_PIRQF); + + /* SATA controller: dev 31, func 1 - IRQ5 */ + pci_write_config_byte(dev, 0x8d, ULI_PIRQE); + + /* SMB interrupt: dev 30, func 1 - IRQ7 */ + pci_write_config_byte(dev, 0x8e, ULI_PIRQG); + + /* PMU ACPI SCI interrupt: dev 30, func 2 - IRQ7 */ + pci_write_config_byte(dev, 0x8f, ULI_PIRQG); + + /* USB 2.0 controller: dev 28, func 3 */ + pci_write_config_byte(dev, 0x74, ULI_8259_IRQ11); + + /* Primary PATA IDE IRQ: 14 + * Secondary PATA IDE IRQ: 15 + */ + pci_write_config_byte(dev, 0x44, 0x30 | ULI_8259_IRQ14); + pci_write_config_byte(dev, 0x75, ULI_8259_IRQ15); +} + +static void __devinit quirk_final_uli1575(struct pci_dev *dev) +{ + /* 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 + */ + if (!uses_fsl_uli_m1575) + return; + + outb(0xfa, 0x4d0); + outb(0x1e, 0x4d1); + + /* setup RTC */ + CMOS_WRITE(RTC_SET, RTC_CONTROL); + CMOS_WRITE(RTC_24H, RTC_CONTROL); + + /* ensure month, date, and week alarm fields are ignored */ + CMOS_WRITE(0, RTC_VALID); + + outb_p(0x7c, 0x72); + outb_p(RTC_ALARM_DONT_CARE, 0x73); + + outb_p(0x7d, 0x72); + outb_p(RTC_ALARM_DONT_CARE, 0x73); +} + +/* SATA */ +static void __devinit quirk_uli5288(struct pci_dev *dev) +{ + unsigned char c; + unsigned int d; + + if (!uses_fsl_uli_m1575) + return; + + /* read/write lock */ + pci_read_config_byte(dev, 0x83, &c); + pci_write_config_byte(dev, 0x83, c|0x80); + + pci_read_config_dword(dev, PCI_CLASS_REVISION, &d); + d = (d & 0xff) | (PCI_CLASS_STORAGE_SATA_AHCI << 8); + pci_write_config_dword(dev, PCI_CLASS_REVISION, d); + + /* restore lock */ + pci_write_config_byte(dev, 0x83, c); + + /* disable emulated PATA mode enabled */ + pci_read_config_byte(dev, 0x84, &c); + pci_write_config_byte(dev, 0x84, c & ~0x01); +} + +/* PATA */ +static void __devinit quirk_uli5229(struct pci_dev *dev) +{ + unsigned short temp; + + if (!uses_fsl_uli_m1575) + return; + + pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE | + PCI_COMMAND_MASTER | PCI_COMMAND_IO); + + /* Enable Native IRQ 14/15 */ + pci_read_config_word(dev, 0x4a, &temp); + pci_write_config_word(dev, 0x4a, temp | 0x1000); +} + +/* We have to do a dummy read on the P2P for the RTC to work, WTF */ +static void __devinit quirk_final_uli5249(struct pci_dev *dev) +{ + int i; + u8 *dummy; + struct pci_bus *bus = dev->bus; + + for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { + if ((bus->resource[i]) && + (bus->resource[i]->flags & IORESOURCE_MEM)) { + dummy = ioremap(bus->resource[i]->start, 0x4); + if (dummy) { + in_8(dummy); + iounmap(dummy); + } + break; + } + } +} + +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249); +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_FINAL(PCI_VENDOR_ID_AL, 0x5249, quirk_final_uli5249); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x1575, quirk_final_uli1575); + +int uli_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) +{ + if (bus == (hose->first_busno + 2)) { + /* exclude Modem controller */ + if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 1)) + return PCIBIOS_DEVICE_NOT_FOUND; + + /* exclude HD Audio controller */ + if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 2)) + return PCIBIOS_DEVICE_NOT_FOUND; + } + + return PCIBIOS_SUCCESSFUL; +} |