diff options
28 files changed, 3324 insertions, 4 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ce00c57..d654c4f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -223,6 +223,12 @@ config ARCH_IOP33X help Support for Intel's IOP33X (XScale) family of processors. +config ARCH_IOP13XX + bool "IOP13xx-based" + select PCI + help + Support for Intel's IOP13XX (XScale) family of processors. + config ARCH_IXP4XX bool "IXP4xx-based" depends on MMU @@ -331,6 +337,8 @@ source "arch/arm/mach-iop32x/Kconfig" source "arch/arm/mach-iop33x/Kconfig" +source "arch/arm/mach-iop13xx/Kconfig" + source "arch/arm/mach-ixp4xx/Kconfig" source "arch/arm/mach-ixp2000/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 6f4f8bf..5f6f9a5 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -108,6 +108,7 @@ endif machine-$(CONFIG_ARCH_CLPS711X) := clps711x machine-$(CONFIG_ARCH_IOP32X) := iop32x machine-$(CONFIG_ARCH_IOP33X) := iop33x + machine-$(CONFIG_ARCH_IOP13XX) := iop13xx machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx machine-$(CONFIG_ARCH_IXP2000) := ixp2000 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx diff --git a/arch/arm/mach-iop13xx/Kconfig b/arch/arm/mach-iop13xx/Kconfig new file mode 100644 index 0000000..40c2d68 --- /dev/null +++ b/arch/arm/mach-iop13xx/Kconfig @@ -0,0 +1,20 @@ +if ARCH_IOP13XX + +menu "IOP13XX Implementation Options" + +comment "IOP13XX Platform Support" + +config MACH_IQ81340SC + bool "Enable IQ81340SC Hardware Support" + help + Say Y here if you want to support running on the Intel IQ81340SC + evaluation kit. + +config MACH_IQ81340MC + bool "Enable IQ81340MC Hardware Support" + help + Say Y here if you want to support running on the Intel IQ81340MC + evaluation kit. + +endmenu +endif diff --git a/arch/arm/mach-iop13xx/Makefile b/arch/arm/mach-iop13xx/Makefile new file mode 100644 index 0000000..c3d6c08 --- /dev/null +++ b/arch/arm/mach-iop13xx/Makefile @@ -0,0 +1,12 @@ +obj-y := +obj-m := +obj-n := +obj- := + +obj-$(CONFIG_ARCH_IOP13XX) += setup.o +obj-$(CONFIG_ARCH_IOP13XX) += irq.o +obj-$(CONFIG_ARCH_IOP13XX) += time.o +obj-$(CONFIG_ARCH_IOP13XX) += pci.o +obj-$(CONFIG_ARCH_IOP13XX) += io.o +obj-$(CONFIG_MACH_IQ81340SC) += iq81340sc.o +obj-$(CONFIG_MACH_IQ81340MC) += iq81340mc.o diff --git a/arch/arm/mach-iop13xx/Makefile.boot b/arch/arm/mach-iop13xx/Makefile.boot new file mode 100644 index 0000000..0b0e19f --- /dev/null +++ b/arch/arm/mach-iop13xx/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c new file mode 100644 index 0000000..fbf9f88 --- /dev/null +++ b/arch/arm/mach-iop13xx/io.c @@ -0,0 +1,93 @@ +/* + * iop13xx custom ioremap implementation + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <asm/hardware.h> +#include <asm/io.h> + +void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size, + unsigned long flags) +{ + void __iomem * retval; + + switch (cookie) { + case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA: + if (unlikely(!iop13xx_atux_mem_base)) + retval = NULL; + else + retval = (void *)(iop13xx_atux_mem_base + + (cookie - IOP13XX_PCIX_LOWER_MEM_RA)); + break; + case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA: + if (unlikely(!iop13xx_atue_mem_base)) + retval = NULL; + else + retval = (void *)(iop13xx_atue_mem_base + + (cookie - IOP13XX_PCIE_LOWER_MEM_RA)); + break; + case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA: + retval = __ioremap(IOP13XX_PBI_LOWER_MEM_PA + + (cookie - IOP13XX_PBI_LOWER_MEM_RA), + size, flags); + break; + case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA: + retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie); + break; + case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA: + retval = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(cookie); + break; + case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA: + retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie); + break; + default: + retval = __ioremap(cookie, size, flags); + } + + return retval; +} +EXPORT_SYMBOL(__iop13xx_ioremap); + +void __iop13xx_iounmap(void __iomem *addr) +{ + extern void __iounmap(volatile void __iomem *addr); + + if (iop13xx_atue_mem_base) + if (addr >= (void __iomem *) iop13xx_atue_mem_base && + addr < (void __iomem *) (iop13xx_atue_mem_base + + iop13xx_atue_mem_size)) + goto skip; + + if (iop13xx_atux_mem_base) + if (addr >= (void __iomem *) iop13xx_atux_mem_base && + addr < (void __iomem *) (iop13xx_atux_mem_base + + iop13xx_atux_mem_size)) + goto skip; + + switch ((u32) addr) { + case IOP13XX_PCIE_LOWER_IO_VA ... IOP13XX_PCIE_UPPER_IO_VA: + case IOP13XX_PCIX_LOWER_IO_VA ... IOP13XX_PCIX_UPPER_IO_VA: + case IOP13XX_PMMR_VIRT_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_VA: + goto skip; + } + __iounmap(addr); + +skip: + return; +} +EXPORT_SYMBOL(__iop13xx_iounmap); diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c new file mode 100644 index 0000000..ee59578 --- /dev/null +++ b/arch/arm/mach-iop13xx/iq81340mc.c @@ -0,0 +1,98 @@ +/* + * iq81340mc board support + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#include <linux/pci.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/mach/pci.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/arch/pci.h> +#include <asm/mach/time.h> + +extern int init_atu; /* Flag to select which ATU(s) to initialize / disable */ + +static int __init +iq81340mc_pcix_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) +{ + switch (idsel) { + case 1: + switch (pin) { + case 1: return ATUX_INTB; + case 2: return ATUX_INTC; + case 3: return ATUX_INTD; + case 4: return ATUX_INTA; + default: return -1; + } + case 2: + switch (pin) { + case 1: return ATUX_INTC; + case 2: return ATUX_INTD; + case 3: return ATUX_INTC; + case 4: return ATUX_INTD; + default: return -1; + } + default: return -1; + } +} + +static struct hw_pci iq81340mc_pci __initdata = { + .swizzle = pci_std_swizzle, + .nr_controllers = 0, + .setup = iop13xx_pci_setup, + .map_irq = iq81340mc_pcix_map_irq, + .scan = iop13xx_scan_bus, + .preinit = iop13xx_pci_init, +}; + +static int __init iq81340mc_pci_init(void) +{ + iop13xx_atu_select(&iq81340mc_pci); + pci_common_init(&iq81340mc_pci); + iop13xx_map_pci_memory(); + + return 0; +} + +static void __init iq81340mc_init(void) +{ + iop13xx_platform_init(); + iq81340mc_pci_init(); +} + +static void __init iq81340mc_timer_init(void) +{ + iop13xx_init_time(400000000); +} + +static struct sys_timer iq81340mc_timer = { + .init = iq81340mc_timer_init, + .offset = iop13xx_gettimeoffset, +}; + +MACHINE_START(IQ81340MC, "Intel IQ81340MC") + /* Maintainer: Dan Williams <dan.j.williams@intel.com> */ + .phys_io = PHYS_IO, + .io_pg_offst = IO_PG_OFFSET, + .map_io = iop13xx_map_io, + .init_irq = iop13xx_init_irq, + .timer = &iq81340mc_timer, + .boot_params = BOOT_PARAM_OFFSET, + .init_machine = iq81340mc_init, +MACHINE_END diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c new file mode 100644 index 0000000..6677e14 --- /dev/null +++ b/arch/arm/mach-iop13xx/iq81340sc.c @@ -0,0 +1,100 @@ +/* + * iq81340sc board support + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#include <linux/pci.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/mach/pci.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/arch/pci.h> +#include <asm/mach/time.h> + +extern int init_atu; + +static int __init +iq81340sc_atux_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) +{ + WARN_ON(idsel < 1 || idsel > 2); + + switch (idsel) { + case 1: + switch (pin) { + case 1: return ATUX_INTB; + case 2: return ATUX_INTC; + case 3: return ATUX_INTD; + case 4: return ATUX_INTA; + default: return -1; + } + case 2: + switch (pin) { + case 1: return ATUX_INTC; + case 2: return ATUX_INTC; + case 3: return ATUX_INTC; + case 4: return ATUX_INTC; + default: return -1; + } + default: return -1; + } +} + +static struct hw_pci iq81340sc_pci __initdata = { + .swizzle = pci_std_swizzle, + .nr_controllers = 0, + .setup = iop13xx_pci_setup, + .scan = iop13xx_scan_bus, + .map_irq = iq81340sc_atux_map_irq, + .preinit = iop13xx_pci_init +}; + +static int __init iq81340sc_pci_init(void) +{ + iop13xx_atu_select(&iq81340sc_pci); + pci_common_init(&iq81340sc_pci); + iop13xx_map_pci_memory(); + + return 0; +} + +static void __init iq81340sc_init(void) +{ + iop13xx_platform_init(); + iq81340sc_pci_init(); +} + +static void __init iq81340sc_timer_init(void) +{ + iop13xx_init_time(400000000); +} + +static struct sys_timer iq81340sc_timer = { + .init = iq81340sc_timer_init, + .offset = iop13xx_gettimeoffset, +}; + +MACHINE_START(IQ81340SC, "Intel IQ81340SC") + /* Maintainer: Dan Williams <dan.j.williams@intel.com> */ + .phys_io = PHYS_IO, + .io_pg_offst = IO_PG_OFFSET, + .map_io = iop13xx_map_io, + .init_irq = iop13xx_init_irq, + .timer = &iq81340sc_timer, + .boot_params = BOOT_PARAM_OFFSET, + .init_machine = iq81340sc_init, +MACHINE_END diff --git a/arch/arm/mach-iop13xx/irq.c b/arch/arm/mach-iop13xx/irq.c new file mode 100644 index 0000000..c4d9c8c --- /dev/null +++ b/arch/arm/mach-iop13xx/irq.c @@ -0,0 +1,286 @@ +/* + * iop13xx IRQ handling / support functions + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/sysctl.h> +#include <asm/uaccess.h> +#include <asm/mach/irq.h> +#include <asm/irq.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/arch/irqs.h> + +/* INTCTL0 CP6 R0 Page 4 + */ +static inline u32 read_intctl_0(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c0, c4, 0":"=r" (val)); + return val; +} +static inline void write_intctl_0(u32 val) +{ + asm volatile("mcr p6, 0, %0, c0, c4, 0"::"r" (val)); +} + +/* INTCTL1 CP6 R1 Page 4 + */ +static inline u32 read_intctl_1(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c1, c4, 0":"=r" (val)); + return val; +} +static inline void write_intctl_1(u32 val) +{ + asm volatile("mcr p6, 0, %0, c1, c4, 0"::"r" (val)); +} + +/* INTCTL2 CP6 R2 Page 4 + */ +static inline u32 read_intctl_2(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c2, c4, 0":"=r" (val)); + return val; +} +static inline void write_intctl_2(u32 val) +{ + asm volatile("mcr p6, 0, %0, c2, c4, 0"::"r" (val)); +} + +/* INTCTL3 CP6 R3 Page 4 + */ +static inline u32 read_intctl_3(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c3, c4, 0":"=r" (val)); + return val; +} +static inline void write_intctl_3(u32 val) +{ + asm volatile("mcr p6, 0, %0, c3, c4, 0"::"r" (val)); +} + +/* INTSTR0 CP6 R0 Page 5 + */ +static inline u32 read_intstr_0(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c0, c5, 0":"=r" (val)); + return val; +} +static inline void write_intstr_0(u32 val) +{ + asm volatile("mcr p6, 0, %0, c0, c5, 0"::"r" (val)); +} + +/* INTSTR1 CP6 R1 Page 5 + */ +static inline u32 read_intstr_1(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c1, c5, 0":"=r" (val)); + return val; +} +static void write_intstr_1(u32 val) +{ + asm volatile("mcr p6, 0, %0, c1, c5, 0"::"r" (val)); +} + +/* INTSTR2 CP6 R2 Page 5 + */ +static inline u32 read_intstr_2(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c2, c5, 0":"=r" (val)); + return val; +} +static void write_intstr_2(u32 val) +{ + asm volatile("mcr p6, 0, %0, c2, c5, 0"::"r" (val)); +} + +/* INTSTR3 CP6 R3 Page 5 + */ +static inline u32 read_intstr_3(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c3, c5, 0":"=r" (val)); + return val; +} +static void write_intstr_3(u32 val) +{ + asm volatile("mcr p6, 0, %0, c3, c5, 0"::"r" (val)); +} + +/* INTBASE CP6 R0 Page 2 + */ +static inline u32 read_intbase(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c0, c2, 0":"=r" (val)); + return val; +} +static void write_intbase(u32 val) +{ + asm volatile("mcr p6, 0, %0, c0, c2, 0"::"r" (val)); +} + +/* INTSIZE CP6 R2 Page 2 + */ +static inline u32 read_intsize(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c2, c2, 0":"=r" (val)); + return val; +} +static void write_intsize(u32 val) +{ + asm volatile("mcr p6, 0, %0, c2, c2, 0"::"r" (val)); +} + +/* 0 = Interrupt Masked and 1 = Interrupt not masked */ +static void +iop13xx_irq_mask0 (unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_0(read_intctl_0() & ~(1 << (irq - 0))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_mask1 (unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_1(read_intctl_1() & ~(1 << (irq - 32))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_mask2 (unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_2(read_intctl_2() & ~(1 << (irq - 64))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_mask3 (unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_3(read_intctl_3() & ~(1 << (irq - 96))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_unmask0(unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_0(read_intctl_0() | (1 << (irq - 0))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_unmask1(unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_1(read_intctl_1() | (1 << (irq - 32))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_unmask2(unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_2(read_intctl_2() | (1 << (irq - 64))); + iop13xx_cp6_restore(cp_flags); +} + +static void +iop13xx_irq_unmask3(unsigned int irq) +{ + u32 cp_flags = iop13xx_cp6_save(); + write_intctl_3(read_intctl_3() | (1 << (irq - 96))); + iop13xx_cp6_restore(cp_flags); +} + +static struct irqchip iop13xx_irqchip0 = { + .ack = iop13xx_irq_mask0, + .mask = iop13xx_irq_mask0, + .unmask = iop13xx_irq_unmask0, +}; + +static struct irqchip iop13xx_irqchip1 = { + .ack = iop13xx_irq_mask1, + .mask = iop13xx_irq_mask1, + .unmask = iop13xx_irq_unmask1, +}; + +static struct irqchip iop13xx_irqchip2 = { + .ack = iop13xx_irq_mask2, + .mask = iop13xx_irq_mask2, + .unmask = iop13xx_irq_unmask2, +}; + +static struct irqchip iop13xx_irqchip3 = { + .ack = iop13xx_irq_mask3, + .mask = iop13xx_irq_mask3, + .unmask = iop13xx_irq_unmask3, +}; + +void __init iop13xx_init_irq(void) +{ + unsigned int i; + + u32 cp_flags = iop13xx_cp6_save(); + + /* disable all interrupts */ + write_intctl_0(0); + write_intctl_1(0); + write_intctl_2(0); + write_intctl_3(0); + + /* treat all as IRQ */ + write_intstr_0(0); + write_intstr_1(0); + write_intstr_2(0); + write_intstr_3(0); + + /* initialize the interrupt vector generator */ + write_intbase(INTBASE); + write_intsize(INTSIZE_4); + + for(i = 0; i < NR_IOP13XX_IRQS; i++) { + if (i < 32) + set_irq_chip(i, &iop13xx_irqchip0); + else if (i < 64) + set_irq_chip(i, &iop13xx_irqchip1); + else if (i < 96) + set_irq_chip(i, &iop13xx_irqchip2); + else + set_irq_chip(i, &iop13xx_irqchip3); + + set_irq_handler(i, do_level_IRQ); + set_irq_flags(i, IRQF_VALID | IRQF_PROBE); + } + + iop13xx_cp6_restore(cp_flags); +} diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c new file mode 100644 index 0000000..89ec70e --- /dev/null +++ b/arch/arm/mach-iop13xx/pci.c @@ -0,0 +1,1113 @@ +/* + * iop13xx PCI support + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ + +#include <linux/pci.h> +#include <linux/delay.h> + +#include <asm/irq.h> +#include <asm/hardware.h> +#include <asm/sizes.h> +#include <asm/mach/pci.h> +#include <asm/arch/pci.h> + +#define IOP13XX_PCI_DEBUG 0 +#define PRINTK(x...) ((void)(IOP13XX_PCI_DEBUG && printk(x))) + +u32 iop13xx_atux_pmmr_offset; /* This offset can change based on strapping */ +u32 iop13xx_atue_pmmr_offset; /* This offset can change based on strapping */ +static struct pci_bus *pci_bus_atux = 0; +static struct pci_bus *pci_bus_atue = 0; +u32 iop13xx_atue_mem_base; +u32 iop13xx_atux_mem_base; +size_t iop13xx_atue_mem_size; +size_t iop13xx_atux_mem_size; +unsigned long iop13xx_pcibios_min_io = 0; +unsigned long iop13xx_pcibios_min_mem = 0; + +EXPORT_SYMBOL(iop13xx_atue_mem_base); +EXPORT_SYMBOL(iop13xx_atux_mem_base); +EXPORT_SYMBOL(iop13xx_atue_mem_size); +EXPORT_SYMBOL(iop13xx_atux_mem_size); + +int init_atu = 0; /* Flag to select which ATU(s) to initialize / disable */ +static unsigned long atux_trhfa_timeout = 0; /* Trhfa = RST# high to first + access */ + +/* Scan the initialized busses and ioremap the requested memory range + */ +void iop13xx_map_pci_memory(void) +{ + int atu; + struct pci_bus *bus; + struct pci_dev *dev; + resource_size_t end = 0; + + for (atu = 0; atu < 2; atu++) { + bus = atu ? pci_bus_atue : pci_bus_atux; + if (bus) { + list_for_each_entry(dev, &bus->devices, bus_list) { + int i; + int max = 7; + + if (dev->subordinate) + max = DEVICE_COUNT_RESOURCE; + + for (i = 0; i < max; i++) { + struct resource *res = &dev->resource[i]; + if (res->flags & IORESOURCE_MEM) + end = max(res->end, end); + } + } + + switch(atu) { + case 0: + iop13xx_atux_mem_size = + (end - IOP13XX_PCIX_LOWER_MEM_RA) + 1; + + /* 16MB align the request */ + if (iop13xx_atux_mem_size & (SZ_16M - 1)) { + iop13xx_atux_mem_size &= ~(SZ_16M - 1); + iop13xx_atux_mem_size += SZ_16M; + } + + if (end) { + iop13xx_atux_mem_base = + (u32) __ioremap_pfn( + __phys_to_pfn(IOP13XX_PCIX_LOWER_MEM_PA) + , 0, iop13xx_atux_mem_size, 0); + if (!iop13xx_atux_mem_base) { + printk("%s: atux allocation " + "failed\n", __FUNCTION__); + BUG(); + } + } else + iop13xx_atux_mem_size = 0; + PRINTK("%s: atu: %d bus_size: %d mem_base: %x\n", + __FUNCTION__, atu, iop13xx_atux_mem_size, + iop13xx_atux_mem_base); + break; + case 1: + iop13xx_atue_mem_size = + (end - IOP13XX_PCIE_LOWER_MEM_RA) + 1; + + /* 16MB align the request */ + if (iop13xx_atue_mem_size & (SZ_16M - 1)) { + iop13xx_atue_mem_size &= ~(SZ_16M - 1); + iop13xx_atue_mem_size += SZ_16M; + } + + if (end) { + iop13xx_atue_mem_base = + (u32) __ioremap_pfn( + __phys_to_pfn(IOP13XX_PCIE_LOWER_MEM_PA) + , 0, iop13xx_atue_mem_size, 0); + if (!iop13xx_atue_mem_base) { + printk("%s: atue allocation " + "failed\n", __FUNCTION__); + BUG(); + } + } else + iop13xx_atue_mem_size = 0; + PRINTK("%s: atu: %d bus_size: %d mem_base: %x\n", + __FUNCTION__, atu, iop13xx_atue_mem_size, + iop13xx_atue_mem_base); + break; + } + + printk("%s: Initialized (%uM @ resource/virtual: %08lx/%08x)\n", + atu ? "ATUE" : "ATUX", + (atu ? iop13xx_atue_mem_size : iop13xx_atux_mem_size) / + SZ_1M, + atu ? IOP13XX_PCIE_LOWER_MEM_RA : + IOP13XX_PCIX_LOWER_MEM_RA, + atu ? iop13xx_atue_mem_base : + iop13xx_atux_mem_base); + end = 0; + } + + } +} + +static inline int iop13xx_atu_function(int atu) +{ + int func = 0; + /* the function number depends on the value of the + * IOP13XX_INTERFACE_SEL_PCIX reset strap + * see C-Spec section 3.17 + */ + switch(atu) { + case IOP13XX_INIT_ATU_ATUX: + if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX) + func = 5; + else + func = 0; + break; + case IOP13XX_INIT_ATU_ATUE: + if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX) + func = 0; + else + func = 5; + break; + default: + BUG(); + } + + return func; +} + +/* iop13xx_atux_cfg_address - format a configuration address for atux + * @bus: Target bus to access + * @devfn: Combined device number and function number + * @where: Desired register's address offset + * + * Convert the parameters to a configuration address formatted + * according the PCI-X 2.0 specification + */ +static u32 iop13xx_atux_cfg_address(struct pci_bus *bus, int devfn, int where) +{ + struct pci_sys_data *sys = bus->sysdata; + u32 addr; + + if (sys->busnr == bus->number) + addr = 1 << (PCI_SLOT(devfn) + 16) | (PCI_SLOT(devfn) << 11); + else + addr = bus->number << 16 | PCI_SLOT(devfn) << 11 | 1; + + addr |= PCI_FUNC(devfn) << 8 | ((where & 0xff) & ~3); + addr |= ((where & 0xf00) >> 8) << 24; /* upper register number */ + + return addr; +} + +/* iop13xx_atue_cfg_address - format a configuration address for atue + * @bus: Target bus to access + * @devfn: Combined device number and function number + * @where: Desired register's address offset + * + * Convert the parameters to an address usable by the ATUE_OCCAR + */ +static u32 iop13xx_atue_cfg_address(struct pci_bus *bus, int devfn, int where) +{ + struct pci_sys_data *sys = bus->sysdata; + u32 addr; + + PRINTK("iop13xx_atue_cfg_address: bus: %d dev: %d func: %d", + bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn)); + addr = ((u32) bus->number) << IOP13XX_ATUE_OCCAR_BUS_NUM | + ((u32) PCI_SLOT(devfn)) << IOP13XX_ATUE_OCCAR_DEV_NUM | + ((u32) PCI_FUNC(devfn)) << IOP13XX_ATUE_OCCAR_FUNC_NUM | + (where & ~0x3); + + if (sys->busnr != bus->number) + addr |= 1; /* type 1 access */ + + return addr; +} + +/* This routine checks the status of the last configuration cycle. If an error + * was detected it returns >0, else it returns a 0. The errors being checked + * are parity, master abort, target abort (master and target). These types of + * errors occure during a config cycle where there is no device, like during + * the discovery stage. + */ +static int iop13xx_atux_pci_status(int clear) +{ + unsigned int status; + int err = 0; + + /* + * Check the status registers. + */ + status = __raw_readw(IOP13XX_ATUX_ATUSR); + if (status & IOP_PCI_STATUS_ERROR) + { + PRINTK("\t\t\tPCI error: ATUSR %#08x", status); + if(clear) + __raw_writew(status & IOP_PCI_STATUS_ERROR, + IOP13XX_ATUX_ATUSR); + err = 1; + } + status = __raw_readl(IOP13XX_ATUX_ATUISR); + if (status & IOP13XX_ATUX_ATUISR_ERROR) + { + PRINTK("\t\t\tPCI error interrupt: ATUISR %#08x", status); + if(clear) + __raw_writel(status & IOP13XX_ATUX_ATUISR_ERROR, + IOP13XX_ATUX_ATUISR); + err = 1; + } + return err; +} + +/* Simply write the address register and read the configuration + * data. Note that the data dependency on %0 encourages an abort + * to be detected before we return. + */ +static inline u32 iop13xx_atux_read(unsigned long addr) +{ + u32 val; + + __asm__ __volatile__( + "str %1, [%2]\n\t" + "ldr %0, [%3]\n\t" + "mov %0, %0\n\t" + : "=r" (val) + : "r" (addr), "r" (IOP13XX_ATUX_OCCAR), "r" (IOP13XX_ATUX_OCCDR)); + + return val; +} + +/* The read routines must check the error status of the last configuration + * cycle. If there was an error, the routine returns all hex f's. + */ +static int +iop13xx_atux_read_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 *value) +{ + unsigned long addr = iop13xx_atux_cfg_address(bus, devfn, where); + u32 val = iop13xx_atux_read(addr) >> ((where & 3) * 8); + + if (iop13xx_atux_pci_status(1) || is_atux_occdr_error()) { + __raw_writel(__raw_readl(IOP13XX_XBG_BECSR) & 3, + IOP13XX_XBG_BECSR); + val = 0xffffffff; + } + + *value = val; + + return PCIBIOS_SUCCESSFUL; +} + +static int +iop13xx_atux_write_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 value) +{ + unsigned long addr = iop13xx_atux_cfg_address(bus, devfn, where); + u32 val; + + if (size != 4) { + val = iop13xx_atux_read(addr); + if (!iop13xx_atux_pci_status(1) == 0) + return PCIBIOS_SUCCESSFUL; + + where = (where & 3) * 8; + + if (size == 1) + val &= ~(0xff << where); + else + val &= ~(0xffff << where); + + __raw_writel(val | value << where, IOP13XX_ATUX_OCCDR); + } else { + __raw_writel(addr, IOP13XX_ATUX_OCCAR); + __raw_writel(value, IOP13XX_ATUX_OCCDR); + } + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops iop13xx_atux_ops = { + .read = iop13xx_atux_read_config, + .write = iop13xx_atux_write_config, +}; + +/* This routine checks the status of the last configuration cycle. If an error + * was detected it returns >0, else it returns a 0. The errors being checked + * are parity, master abort, target abort (master and target). These types of + * errors occure during a config cycle where there is no device, like during + * the discovery stage. + */ +static int iop13xx_atue_pci_status(int clear) +{ + unsigned int status; + int err = 0; + + /* + * Check the status registers. + */ + + /* standard pci status register */ + status = __raw_readw(IOP13XX_ATUE_ATUSR); + if (status & IOP_PCI_STATUS_ERROR) { + PRINTK("\t\t\tPCI error: ATUSR %#08x", status); + if(clear) + __raw_writew(status & IOP_PCI_STATUS_ERROR, + IOP13XX_ATUE_ATUSR); + err++; + } + + /* check the normal status bits in the ATUISR */ + status = __raw_readl(IOP13XX_ATUE_ATUISR); + if (status & IOP13XX_ATUE_ATUISR_ERROR) { + PRINTK("\t\t\tPCI error: ATUISR %#08x", status); + if (clear) + __raw_writew(status & IOP13XX_ATUE_ATUISR_ERROR, + IOP13XX_ATUE_ATUISR); + err++; + + /* check the PCI-E status if the ATUISR reports an interface error */ + if (status & IOP13XX_ATUE_STAT_PCI_IFACE_ERR) { + /* get the unmasked errors */ + status = __raw_readl(IOP13XX_ATUE_PIE_STS) & + ~(__raw_readl(IOP13XX_ATUE_PIE_MSK)); + + if (status) { + PRINTK("\t\t\tPCI-E error: ATUE_PIE_STS %#08x", + __raw_readl(IOP13XX_ATUE_PIE_STS)); + err++; + } else { + PRINTK("\t\t\tPCI-E error: ATUE_PIE_STS %#08x", + __raw_readl(IOP13XX_ATUE_PIE_STS)); + PRINTK("\t\t\tPCI-E error: ATUE_PIE_MSK %#08x", + __raw_readl(IOP13XX_ATUE_PIE_MSK)); + BUG(); + } + + if(clear) + __raw_writel(status, IOP13XX_ATUE_PIE_STS); + } + } + + return err; +} + +static inline int __init +iop13xx_pcie_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) +{ + WARN_ON(idsel != 0); + + switch (pin) { + case 1: return ATUE_INTA; + case 2: return ATUE_INTB; + case 3: return ATUE_INTC; + case 4: return ATUE_INTD; + default: return -1; + } +} + +static inline u32 iop13xx_atue_read(unsigned long addr) +{ + u32 val; + + __raw_writel(addr, IOP13XX_ATUE_OCCAR); + val = __raw_readl(IOP13XX_ATUE_OCCDR); + + rmb(); + + return val; +} + +/* The read routines must check the error status of the last configuration + * cycle. If there was an error, the routine returns all hex f's. + */ +static int +iop13xx_atue_read_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 *value) +{ + u32 val; + unsigned long addr = iop13xx_atue_cfg_address(bus, devfn, where); + + /* Hide device numbers > 0 on the local PCI-E bus (Type 0 access) */ + if (!PCI_SLOT(devfn) || (addr & 1)) { + val = iop13xx_atue_read(addr) >> ((where & 3) * 8); + if( iop13xx_atue_pci_status(1) || is_atue_occdr_error() ) { + __raw_writel(__raw_readl(IOP13XX_XBG_BECSR) & 3, + IOP13XX_XBG_BECSR); + val = 0xffffffff; + } + + PRINTK("addr=%#0lx, val=%#010x", addr, val); + } else + val = 0xffffffff; + + *value = val; + + return PCIBIOS_SUCCESSFUL; +} + +static int +iop13xx_atue_write_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 value) +{ + unsigned long addr = iop13xx_atue_cfg_address(bus, devfn, where); + u32 val; + + if (size != 4) { + val = iop13xx_atue_read(addr); + if (!iop13xx_atue_pci_status(1) == 0) + return PCIBIOS_SUCCESSFUL; + + where = (where & 3) * 8; + + if (size == 1) + val &= ~(0xff << where); + else + val &= ~(0xffff << where); + + __raw_writel(val | value << where, IOP13XX_ATUE_OCCDR); + } else { + __raw_writel(addr, IOP13XX_ATUE_OCCAR); + __raw_writel(value, IOP13XX_ATUE_OCCDR); + } + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops iop13xx_atue_ops = { + .read = iop13xx_atue_read_config, + .write = iop13xx_atue_write_config, +}; + +/* When a PCI device does not exist during config cycles, the XScale gets a + * bus error instead of returning 0xffffffff. We can't rely on the ATU status + * bits to tell us that it was indeed a configuration cycle that caused this + * error especially in the case when the ATUE link is down. Instead we rely + * on data from the south XSI bridge to validate the abort + */ +int +iop13xx_pci_abort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) +{ + PRINTK("Data abort: address = 0x%08lx " + "fsr = 0x%03x PC = 0x%08lx LR = 0x%08lx", + addr, fsr, regs->ARM_pc, regs->ARM_lr); + + PRINTK("IOP13XX_XBG_BECSR: %#10x", __raw_readl(IOP13XX_XBG_BECSR)); + PRINTK("IOP13XX_XBG_BERAR: %#10x", __raw_readl(IOP13XX_XBG_BERAR)); + PRINTK("IOP13XX_XBG_BERUAR: %#10x", __raw_readl(IOP13XX_XBG_BERUAR)); + + /* If it was an imprecise abort, then we need to correct the + * return address to be _after_ the instruction. + */ + if (fsr & (1 << 10)) + regs->ARM_pc += 4; + + if (is_atue_occdr_error() || is_atux_occdr_error()) + return 0; + else + return 1; +} + +/* Scan an IOP13XX PCI bus. nr selects which ATU we use. + */ +struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *sys) +{ + int which_atu; + struct pci_bus *bus = NULL; + + switch (init_atu) { + case IOP13XX_INIT_ATU_ATUX: + which_atu = nr ? 0 : IOP13XX_INIT_ATU_ATUX; + break; + case IOP13XX_INIT_ATU_ATUE: + which_atu = nr ? 0 : IOP13XX_INIT_ATU_ATUE; + break; + case (IOP13XX_INIT_ATU_ATUX | IOP13XX_INIT_ATU_ATUE): + which_atu = nr ? IOP13XX_INIT_ATU_ATUE : IOP13XX_INIT_ATU_ATUX; + break; + default: + which_atu = 0; + } + + if (!which_atu) { + BUG(); + return NULL; + } + + switch (which_atu) { + case IOP13XX_INIT_ATU_ATUX: + if (time_after_eq(jiffies + msecs_to_jiffies(1000), + atux_trhfa_timeout)) /* ensure not wrap */ + while(time_before(jiffies, atux_trhfa_timeout)) + udelay(100); + + bus = pci_bus_atux = pci_scan_bus(sys->busnr, + &iop13xx_atux_ops, + sys); + break; + case IOP13XX_INIT_ATU_ATUE: + bus = pci_bus_atue = pci_scan_bus(sys->busnr, + &iop13xx_atue_ops, + sys); + break; + } + + return bus; +} + +/* This function is called from iop13xx_pci_init() after assigning valid + * values to iop13xx_atue_pmmr_offset. This is the location for common + * setup of ATUE for all IOP13XX implementations. + */ +void __init iop13xx_atue_setup(void) +{ + int func = iop13xx_atu_function(IOP13XX_INIT_ATU_ATUE); + u32 reg_val; + + /* BAR 1 (1:1 mapping with Physical RAM) */ + /* Set limit and enable */ + __raw_writel(~(IOP13XX_MAX_RAM_SIZE - PHYS_OFFSET - 1) & ~0x1, + IOP13XX_ATUE_IALR1); + __raw_writel(0x0, IOP13XX_ATUE_IAUBAR1); + + /* Set base at the top of the reserved address space */ + __raw_writel(PHYS_OFFSET | PCI_BASE_ADDRESS_MEM_TYPE_64 | + PCI_BASE_ADDRESS_MEM_PREFETCH, IOP13XX_ATUE_IABAR1); + + /* 1:1 mapping with physical ram + * (leave big endian byte swap disabled) + */ + __raw_writel(0x0, IOP13XX_ATUE_IAUTVR1); + __raw_writel(PHYS_OFFSET, IOP13XX_ATUE_IATVR1); + + /* Outbound window 1 (PCIX/PCIE memory window) */ + /* 32 bit Address Space */ + __raw_writel(0x0, IOP13XX_ATUE_OUMWTVR1); + /* PA[35:32] */ + __raw_writel(IOP13XX_ATUE_OUMBAR_ENABLE | + (IOP13XX_PCIE_MEM_PHYS_OFFSET >> 32), + IOP13XX_ATUE_OUMBAR1); + + /* Setup the I/O Bar + * A[35-16] in 31-12 + */ + __raw_writel(((IOP13XX_PCIE_LOWER_IO_PA >> 0x4) & 0xfffff000), + IOP13XX_ATUE_OIOBAR); + __raw_writel(IOP13XX_PCIE_LOWER_IO_BA, IOP13XX_ATUE_OIOWTVR); + + /* clear startup errors */ + iop13xx_atue_pci_status(1); + + /* OIOBAR function number + */ + reg_val = __raw_readl(IOP13XX_ATUE_OIOBAR); + reg_val &= ~0x7; + reg_val |= func; + __raw_writel(reg_val, IOP13XX_ATUE_OIOBAR); + + /* OUMBAR function numbers + */ + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR0); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR0); + + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR1); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR1); + + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR2); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR2); + + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR3); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR3); + + /* Enable inbound and outbound cycles + */ + reg_val = __raw_readw(IOP13XX_ATUE_ATUCMD); + reg_val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_PARITY | PCI_COMMAND_SERR; + __raw_writew(reg_val, IOP13XX_ATUE_ATUCMD); + + reg_val = __raw_readl(IOP13XX_ATUE_ATUCR); + reg_val |= IOP13XX_ATUE_ATUCR_OUT_EN | + IOP13XX_ATUE_ATUCR_IVM; + __raw_writel(reg_val, IOP13XX_ATUE_ATUCR); +} + +void __init iop13xx_atue_disable(void) +{ + u32 reg_val; + + __raw_writew(0x0, IOP13XX_ATUE_ATUCMD); + __raw_writel(IOP13XX_ATUE_ATUCR_IVM, IOP13XX_ATUE_ATUCR); + + /* wait for cycles to quiesce */ + while (__raw_readl(IOP13XX_ATUE_PCSR) & (IOP13XX_ATUE_PCSR_OUT_Q_BUSY | + IOP13XX_ATUE_PCSR_IN_Q_BUSY | + IOP13XX_ATUE_PCSR_LLRB_BUSY)) + cpu_relax(); + + /* BAR 0 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUE_IAUBAR0); + __raw_writel(0x0, IOP13XX_ATUE_IABAR0); + __raw_writel(0x0, IOP13XX_ATUE_IAUTVR0); + __raw_writel(0x0, IOP13XX_ATUE_IATVR0); + __raw_writel(0x0, IOP13XX_ATUE_IALR0); + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR0); + reg_val &= ~IOP13XX_ATUE_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR0); + + /* BAR 1 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUE_IAUBAR1); + __raw_writel(0x0, IOP13XX_ATUE_IABAR1); + __raw_writel(0x0, IOP13XX_ATUE_IAUTVR1); + __raw_writel(0x0, IOP13XX_ATUE_IATVR1); + __raw_writel(0x0, IOP13XX_ATUE_IALR1); + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR1); + reg_val &= ~IOP13XX_ATUE_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR1); + + /* BAR 2 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUE_IAUBAR2); + __raw_writel(0x0, IOP13XX_ATUE_IABAR2); + __raw_writel(0x0, IOP13XX_ATUE_IAUTVR2); + __raw_writel(0x0, IOP13XX_ATUE_IATVR2); + __raw_writel(0x0, IOP13XX_ATUE_IALR2); + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR2); + reg_val &= ~IOP13XX_ATUE_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR2); + + /* BAR 3 ( Disabled ) */ + reg_val = __raw_readl(IOP13XX_ATUE_OUMBAR3); + reg_val &= ~IOP13XX_ATUE_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUE_OUMBAR3); + + /* Setup the I/O Bar + * A[35-16] in 31-12 + */ + __raw_writel((IOP13XX_PCIE_LOWER_IO_PA >> 0x4) & 0xfffff000, + IOP13XX_ATUE_OIOBAR); + __raw_writel(IOP13XX_PCIE_LOWER_IO_BA, IOP13XX_ATUE_OIOWTVR); +} + +/* This function is called from iop13xx_pci_init() after assigning valid + * values to iop13xx_atux_pmmr_offset. This is the location for common + * setup of ATUX for all IOP13XX implementations. + */ +void __init iop13xx_atux_setup(void) +{ + u32 reg_val; + int func = iop13xx_atu_function(IOP13XX_INIT_ATU_ATUX); + + /* Take PCI-X bus out of reset if bootloader hasn't already. + * According to spec, we should wait for 2^25 PCI clocks to meet + * the PCI timing parameter Trhfa (RST# high to first access). + * This is rarely necessary and often ignored. + */ + reg_val = __raw_readl(IOP13XX_ATUX_PCSR); + if (reg_val & IOP13XX_ATUX_PCSR_P_RSTOUT) { + int msec = (reg_val >> IOP13XX_ATUX_PCSR_FREQ_OFFSET) & 0x7; + msec = 1000 / (8-msec); /* bits 100=133MHz, 111=>33MHz */ + __raw_writel(reg_val & ~IOP13XX_ATUX_PCSR_P_RSTOUT, + IOP13XX_ATUX_PCSR); + atux_trhfa_timeout = jiffies + msecs_to_jiffies(msec); + } + else + atux_trhfa_timeout = jiffies; + + /* BAR 1 (1:1 mapping with Physical RAM) */ + /* Set limit and enable */ + __raw_writel(~(IOP13XX_MAX_RAM_SIZE - PHYS_OFFSET - 1) & ~0x1, + IOP13XX_ATUX_IALR1); + __raw_writel(0x0, IOP13XX_ATUX_IAUBAR1); + + /* Set base at the top of the reserved address space */ + __raw_writel(PHYS_OFFSET | PCI_BASE_ADDRESS_MEM_TYPE_64 | + PCI_BASE_ADDRESS_MEM_PREFETCH, IOP13XX_ATUX_IABAR1); + + /* 1:1 mapping with physical ram + * (leave big endian byte swap disabled) + */ + __raw_writel(0x0, IOP13XX_ATUX_IAUTVR1); + __raw_writel(PHYS_OFFSET, IOP13XX_ATUX_IATVR1); + + /* Outbound window 1 (PCIX/PCIE memory window) */ + /* 32 bit Address Space */ + __raw_writel(0x0, IOP13XX_ATUX_OUMWTVR1); + /* PA[35:32] */ + __raw_writel(IOP13XX_ATUX_OUMBAR_ENABLE | + IOP13XX_PCIX_MEM_PHYS_OFFSET >> 32, + IOP13XX_ATUX_OUMBAR1); + + /* Setup the I/O Bar + * A[35-16] in 31-12 + */ + __raw_writel((IOP13XX_PCIX_LOWER_IO_PA >> 0x4) & 0xfffff000, + IOP13XX_ATUX_OIOBAR); + __raw_writel(IOP13XX_PCIX_LOWER_IO_BA, IOP13XX_ATUX_OIOWTVR); + + /* clear startup errors */ + iop13xx_atux_pci_status(1); + + /* OIOBAR function number + */ + reg_val = __raw_readl(IOP13XX_ATUX_OIOBAR); + reg_val &= ~0x7; + reg_val |= func; + __raw_writel(reg_val, IOP13XX_ATUX_OIOBAR); + + /* OUMBAR function numbers + */ + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR0); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR0); + + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR1); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR1); + + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR2); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR2); + + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR3); + reg_val &= ~(IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK << + IOP13XX_ATU_OUMBAR_FUNC_NUM); + reg_val |= func << IOP13XX_ATU_OUMBAR_FUNC_NUM; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR3); + + /* Enable inbound and outbound cycles + */ + reg_val = __raw_readw(IOP13XX_ATUX_ATUCMD); + reg_val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_PARITY | PCI_COMMAND_SERR; + __raw_writew(reg_val, IOP13XX_ATUX_ATUCMD); + + reg_val = __raw_readl(IOP13XX_ATUX_ATUCR); + reg_val |= IOP13XX_ATUX_ATUCR_OUT_EN; + __raw_writel(reg_val, IOP13XX_ATUX_ATUCR); +} + +void __init iop13xx_atux_disable(void) +{ + u32 reg_val; + + __raw_writew(0x0, IOP13XX_ATUX_ATUCMD); + __raw_writel(0x0, IOP13XX_ATUX_ATUCR); + + /* wait for cycles to quiesce */ + while (__raw_readl(IOP13XX_ATUX_PCSR) & (IOP13XX_ATUX_PCSR_OUT_Q_BUSY | + IOP13XX_ATUX_PCSR_IN_Q_BUSY)) + cpu_relax(); + + /* BAR 0 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUX_IAUBAR0); + __raw_writel(0x0, IOP13XX_ATUX_IABAR0); + __raw_writel(0x0, IOP13XX_ATUX_IAUTVR0); + __raw_writel(0x0, IOP13XX_ATUX_IATVR0); + __raw_writel(0x0, IOP13XX_ATUX_IALR0); + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR0); + reg_val &= ~IOP13XX_ATUX_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR0); + + /* BAR 1 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUX_IAUBAR1); + __raw_writel(0x0, IOP13XX_ATUX_IABAR1); + __raw_writel(0x0, IOP13XX_ATUX_IAUTVR1); + __raw_writel(0x0, IOP13XX_ATUX_IATVR1); + __raw_writel(0x0, IOP13XX_ATUX_IALR1); + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR1); + reg_val &= ~IOP13XX_ATUX_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR1); + + /* BAR 2 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUX_IAUBAR2); + __raw_writel(0x0, IOP13XX_ATUX_IABAR2); + __raw_writel(0x0, IOP13XX_ATUX_IAUTVR2); + __raw_writel(0x0, IOP13XX_ATUX_IATVR2); + __raw_writel(0x0, IOP13XX_ATUX_IALR2); + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR2); + reg_val &= ~IOP13XX_ATUX_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR2); + + /* BAR 3 ( Disabled ) */ + __raw_writel(0x0, IOP13XX_ATUX_IAUBAR3); + __raw_writel(0x0, IOP13XX_ATUX_IABAR3); + __raw_writel(0x0, IOP13XX_ATUX_IAUTVR3); + __raw_writel(0x0, IOP13XX_ATUX_IATVR3); + __raw_writel(0x0, IOP13XX_ATUX_IALR3); + reg_val = __raw_readl(IOP13XX_ATUX_OUMBAR3); + reg_val &= ~IOP13XX_ATUX_OUMBAR_ENABLE; + __raw_writel(reg_val, IOP13XX_ATUX_OUMBAR3); + + /* Setup the I/O Bar + * A[35-16] in 31-12 + */ + __raw_writel((IOP13XX_PCIX_LOWER_IO_PA >> 0x4) & 0xfffff000, + IOP13XX_ATUX_OIOBAR); + __raw_writel(IOP13XX_PCIX_LOWER_IO_BA, IOP13XX_ATUX_OIOWTVR); +} + +void __init iop13xx_set_atu_mmr_bases(void) +{ + /* Based on ESSR0, determine the ATU X/E offsets */ + switch(__raw_readl(IOP13XX_ESSR0) & + (IOP13XX_CONTROLLER_ONLY | IOP13XX_INTERFACE_SEL_PCIX)) { + /* both asserted */ + case 0: + iop13xx_atux_pmmr_offset = IOP13XX_ATU1_PMMR_OFFSET; + iop13xx_atue_pmmr_offset = IOP13XX_ATU2_PMMR_OFFSET; + break; + /* IOP13XX_CONTROLLER_ONLY = deasserted + * IOP13XX_INTERFACE_SEL_PCIX = asserted + */ + case IOP13XX_CONTROLLER_ONLY: + iop13xx_atux_pmmr_offset = IOP13XX_ATU0_PMMR_OFFSET; + iop13xx_atue_pmmr_offset = IOP13XX_ATU2_PMMR_OFFSET; + break; + /* IOP13XX_CONTROLLER_ONLY = asserted + * IOP13XX_INTERFACE_SEL_PCIX = deasserted + */ + case IOP13XX_INTERFACE_SEL_PCIX: + iop13xx_atux_pmmr_offset = IOP13XX_ATU1_PMMR_OFFSET; + iop13xx_atue_pmmr_offset = IOP13XX_ATU2_PMMR_OFFSET; + break; + /* both deasserted */ + case IOP13XX_CONTROLLER_ONLY | IOP13XX_INTERFACE_SEL_PCIX: + iop13xx_atux_pmmr_offset = IOP13XX_ATU2_PMMR_OFFSET; + iop13xx_atue_pmmr_offset = IOP13XX_ATU0_PMMR_OFFSET; + break; + default: + BUG(); + } +} + +void __init iop13xx_atu_select(struct hw_pci *plat_pci) +{ + int i; + + /* set system defaults + * note: if "iop13xx_init_atu=" is specified this autodetect + * sequence will be bypassed + */ + if (init_atu == IOP13XX_INIT_ATU_DEFAULT) { + /* check for single/dual interface */ + if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX) { + /* ATUE must be present check the device id + * to see if ATUX is present. + */ + init_atu |= IOP13XX_INIT_ATU_ATUE; + switch (__raw_readw(IOP13XX_ATUE_DID) & 0xf0) { + case 0x70: + case 0x80: + case 0xc0: + init_atu |= IOP13XX_INIT_ATU_ATUX; + break; + } + } else { + /* ATUX must be present check the device id + * to see if ATUE is present. + */ + init_atu |= IOP13XX_INIT_ATU_ATUX; + switch (__raw_readw(IOP13XX_ATUX_DID) & 0xf0) { + case 0x70: + case 0x80: + case 0xc0: + init_atu |= IOP13XX_INIT_ATU_ATUE; + break; + } + } + + /* check central resource and root complex capability */ + if (init_atu & IOP13XX_INIT_ATU_ATUX) + if (!(__raw_readl(IOP13XX_ATUX_PCSR) & + IOP13XX_ATUX_PCSR_CENTRAL_RES)) + init_atu &= ~IOP13XX_INIT_ATU_ATUX; + + if (init_atu & IOP13XX_INIT_ATU_ATUE) + if (__raw_readl(IOP13XX_ATUE_PCSR) & + IOP13XX_ATUE_PCSR_END_POINT) + init_atu &= ~IOP13XX_INIT_ATU_ATUE; + } + + for (i = 0; i < 2; i++) { + if((init_atu & (1 << i)) == (1 << i)) + plat_pci->nr_controllers++; + } +} + +void __init iop13xx_pci_init(void) +{ + /* clear pre-existing south bridge errors */ + __raw_writel(__raw_readl(IOP13XX_XBG_BECSR) & 3, IOP13XX_XBG_BECSR); + + /* Setup the Min Address for PCI memory... */ + iop13xx_pcibios_min_mem = IOP13XX_PCIX_LOWER_MEM_BA; + + /* if Linux is given control of an ATU + * clear out its prior configuration, + * otherwise do not touch the registers + */ + if (init_atu & IOP13XX_INIT_ATU_ATUE) { + iop13xx_atue_disable(); + iop13xx_atue_setup(); + } + + if (init_atu & IOP13XX_INIT_ATU_ATUX) { + iop13xx_atux_disable(); + iop13xx_atux_setup(); + } + + hook_fault_code(16+6, iop13xx_pci_abort, SIGBUS, + "imprecise external abort"); +} + +/* intialize the pci memory space. handle any combination of + * atue and atux enabled/disabled + */ +int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) +{ + struct resource *res; + int which_atu; + u32 pcixsr, pcsr; + + if (nr > 1) + return 0; + + res = kmalloc(sizeof(struct resource) * 2, GFP_KERNEL); + if (!res) + panic("PCI: unable to alloc resources"); + + memset(res, 0, sizeof(struct resource) * 2); + + /* 'nr' assumptions: + * ATUX is always 0 + * ATUE is 1 when ATUX is also enabled + * ATUE is 0 when ATUX is disabled + */ + switch(init_atu) { + case IOP13XX_INIT_ATU_ATUX: + which_atu = nr ? 0 : IOP13XX_INIT_ATU_ATUX; + break; + case IOP13XX_INIT_ATU_ATUE: + which_atu = nr ? 0 : IOP13XX_INIT_ATU_ATUE; + break; + case (IOP13XX_INIT_ATU_ATUX | IOP13XX_INIT_ATU_ATUE): + which_atu = nr ? IOP13XX_INIT_ATU_ATUE : IOP13XX_INIT_ATU_ATUX; + break; + default: + which_atu = 0; + } + + if (!which_atu) + return 0; + + switch(which_atu) { + case IOP13XX_INIT_ATU_ATUX: + pcixsr = __raw_readl(IOP13XX_ATUX_PCIXSR); + pcixsr &= ~0xffff; + pcixsr |= sys->busnr << IOP13XX_ATUX_PCIXSR_BUS_NUM | + 0 << IOP13XX_ATUX_PCIXSR_DEV_NUM | + iop13xx_atu_function(IOP13XX_INIT_ATU_ATUX) + << IOP13XX_ATUX_PCIXSR_FUNC_NUM; + __raw_writel(pcixsr, IOP13XX_ATUX_PCIXSR); + + res[0].start = IOP13XX_PCIX_LOWER_IO_PA; + res[0].end = IOP13XX_PCIX_UPPER_IO_PA; + res[0].name = "IQ81340 ATUX PCI I/O Space"; + res[0].flags = IORESOURCE_IO; + + res[1].start = IOP13XX_PCIX_LOWER_MEM_RA; + res[1].end = IOP13XX_PCIX_UPPER_MEM_RA; + res[1].name = "IQ81340 ATUX PCI Memory Space"; + res[1].flags = IORESOURCE_MEM; + sys->mem_offset = IOP13XX_PCIX_MEM_OFFSET; + sys->io_offset = IOP13XX_PCIX_IO_OFFSET; + break; + case IOP13XX_INIT_ATU_ATUE: + /* Note: the function number field in the PCSR is ro */ + pcsr = __raw_readl(IOP13XX_ATUE_PCSR); + pcsr &= ~(0xfff8 << 16); + pcsr |= sys->busnr << IOP13XX_ATUE_PCSR_BUS_NUM | + 0 << IOP13XX_ATUE_PCSR_DEV_NUM; + + __raw_writel(pcsr, IOP13XX_ATUE_PCSR); + + res[0].start = IOP13XX_PCIE_LOWER_IO_PA; + res[0].end = IOP13XX_PCIE_UPPER_IO_PA; + res[0].name = "IQ81340 ATUE PCI I/O Space"; + res[0].flags = IORESOURCE_IO; + + res[1].start = IOP13XX_PCIE_LOWER_MEM_RA; + res[1].end = IOP13XX_PCIE_UPPER_MEM_RA; + res[1].name = "IQ81340 ATUE PCI Memory Space"; + res[1].flags = IORESOURCE_MEM; + sys->mem_offset = IOP13XX_PCIE_MEM_OFFSET; + sys->io_offset = IOP13XX_PCIE_IO_OFFSET; + sys->map_irq = iop13xx_pcie_map_irq; + break; + default: + return 0; + } + + request_resource(&ioport_resource, &res[0]); + request_resource(&iomem_resource, &res[1]); + + sys->resource[0] = &res[0]; + sys->resource[1] = &res[1]; + sys->resource[2] = NULL; + + return 1; +} + +u16 iop13xx_dev_id(void) +{ + if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX) + return __raw_readw(IOP13XX_ATUE_DID); + else + return __raw_readw(IOP13XX_ATUX_DID); +} + +static int __init iop13xx_init_atu_setup(char *str) +{ + init_atu = IOP13XX_INIT_ATU_NONE; + if (str) { + while (*str != '\0') { + switch (*str) { + case 'x': + case 'X': + init_atu |= IOP13XX_INIT_ATU_ATUX; + init_atu &= ~IOP13XX_INIT_ATU_NONE; + break; + case 'e': + case 'E': + init_atu |= IOP13XX_INIT_ATU_ATUE; + init_atu &= ~IOP13XX_INIT_ATU_NONE; + break; + case ',': + case '=': + break; + default: + PRINTK("\"iop13xx_init_atu\" malformed at " + "character: \'%c\'", *str); + *(str + 1) = '\0'; + init_atu = IOP13XX_INIT_ATU_DEFAULT; + } + str++; + } + } + return 1; +} + +__setup("iop13xx_init_atu", iop13xx_init_atu_setup); diff --git a/arch/arm/mach-iop13xx/setup.c b/arch/arm/mach-iop13xx/setup.c new file mode 100644 index 0000000..3756d2c --- /dev/null +++ b/arch/arm/mach-iop13xx/setup.c @@ -0,0 +1,406 @@ +/* + * iop13xx platform Initialization + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ + +#include <linux/serial_8250.h> +#ifdef CONFIG_MTD_PHYSMAP +#include <linux/mtd/physmap.h> +#endif +#include <asm/mach/map.h> +#include <asm/hardware.h> +#include <asm/irq.h> + +#define IOP13XX_UART_XTAL 33334000 +#define IOP13XX_SETUP_DEBUG 0 +#define PRINTK(x...) ((void)(IOP13XX_SETUP_DEBUG && printk(x))) + +/* Standard IO mapping for all IOP13XX based systems + */ +static struct map_desc iop13xx_std_desc[] __initdata = { + { /* mem mapped registers */ + .virtual = IOP13XX_PMMR_VIRT_MEM_BASE, + .pfn = __phys_to_pfn(IOP13XX_PMMR_PHYS_MEM_BASE), + .length = IOP13XX_PMMR_SIZE, + .type = MT_DEVICE, + }, { /* PCIE IO space */ + .virtual = IOP13XX_PCIE_LOWER_IO_VA, + .pfn = __phys_to_pfn(IOP13XX_PCIE_LOWER_IO_PA), + .length = IOP13XX_PCIX_IO_WINDOW_SIZE, + .type = MT_DEVICE, + }, { /* PCIX IO space */ + .virtual = IOP13XX_PCIX_LOWER_IO_VA, + .pfn = __phys_to_pfn(IOP13XX_PCIX_LOWER_IO_PA), + .length = IOP13XX_PCIX_IO_WINDOW_SIZE, + .type = MT_DEVICE, + }, +}; + +static struct resource iop13xx_uart0_resources[] = { + [0] = { + .start = IOP13XX_UART0_PHYS, + .end = IOP13XX_UART0_PHYS + 0x3f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP13XX_UART0, + .end = IRQ_IOP13XX_UART0, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop13xx_uart1_resources[] = { + [0] = { + .start = IOP13XX_UART1_PHYS, + .end = IOP13XX_UART1_PHYS + 0x3f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP13XX_UART1, + .end = IRQ_IOP13XX_UART1, + .flags = IORESOURCE_IRQ + } +}; + +static struct plat_serial8250_port iop13xx_uart0_data[] = { + { + .membase = (char*)(IOP13XX_UART0_VIRT), + .mapbase = (IOP13XX_UART0_PHYS), + .irq = IRQ_IOP13XX_UART0, + .uartclk = IOP13XX_UART_XTAL, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_SKIP_TEST, + }, + { }, +}; + +static struct plat_serial8250_port iop13xx_uart1_data[] = { + { + .membase = (char*)(IOP13XX_UART1_VIRT), + .mapbase = (IOP13XX_UART1_PHYS), + .irq = IRQ_IOP13XX_UART1, + .uartclk = IOP13XX_UART_XTAL, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_SKIP_TEST, + }, + { }, +}; + +/* The ids are fixed up later in iop13xx_platform_init */ +static struct platform_device iop13xx_uart0 = { + .name = "serial8250", + .id = 0, + .dev.platform_data = iop13xx_uart0_data, + .num_resources = 2, + .resource = iop13xx_uart0_resources, +}; + +static struct platform_device iop13xx_uart1 = { + .name = "serial8250", + .id = 0, + .dev.platform_data = iop13xx_uart1_data, + .num_resources = 2, + .resource = iop13xx_uart1_resources +}; + +static struct resource iop13xx_i2c_0_resources[] = { + [0] = { + .start = IOP13XX_I2C0_PHYS, + .end = IOP13XX_I2C0_PHYS + 0x18, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP13XX_I2C_0, + .end = IRQ_IOP13XX_I2C_0, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop13xx_i2c_1_resources[] = { + [0] = { + .start = IOP13XX_I2C1_PHYS, + .end = IOP13XX_I2C1_PHYS + 0x18, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP13XX_I2C_1, + .end = IRQ_IOP13XX_I2C_1, + .flags = IORESOURCE_IRQ + } +}; + +static struct resource iop13xx_i2c_2_resources[] = { + [0] = { + .start = IOP13XX_I2C2_PHYS, + .end = IOP13XX_I2C2_PHYS + 0x18, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IOP13XX_I2C_2, + .end = IRQ_IOP13XX_I2C_2, + .flags = IORESOURCE_IRQ + } +}; + +/* I2C controllers. The IOP13XX uses the same block as the IOP3xx, so + * we just use the same device name. + */ + +/* The ids are fixed up later in iop13xx_platform_init */ +static struct platform_device iop13xx_i2c_0_controller = { + .name = "IOP3xx-I2C", + .id = 0, + .num_resources = 2, + .resource = iop13xx_i2c_0_resources +}; + +static struct platform_device iop13xx_i2c_1_controller = { + .name = "IOP3xx-I2C", + .id = 0, + .num_resources = 2, + .resource = iop13xx_i2c_1_resources +}; + +static struct platform_device iop13xx_i2c_2_controller = { + .name = "IOP3xx-I2C", + .id = 0, + .num_resources = 2, + .resource = iop13xx_i2c_2_resources +}; + +#ifdef CONFIG_MTD_PHYSMAP +/* PBI Flash Device + */ +static struct physmap_flash_data iq8134x_flash_data = { + .width = 2, +}; + +static struct resource iq8134x_flash_resource = { + .start = IQ81340_FLASHBASE, + .end = 0, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device iq8134x_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { .platform_data = &iq8134x_flash_data, }, + .num_resources = 1, + .resource = &iq8134x_flash_resource, +}; + +static unsigned long iq8134x_probe_flash_size(void) +{ + uint8_t __iomem *flash_addr = ioremap(IQ81340_FLASHBASE, PAGE_SIZE); + int i; + char query[3]; + unsigned long size = 0; + int width = iq8134x_flash_data.width; + + if (flash_addr) { + /* send CFI 'query' command */ + writew(0x98, flash_addr); + + /* check for CFI compliance */ + for (i = 0; i < 3 * width; i += width) + query[i / width] = readb(flash_addr + (0x10 * width) + i); + + /* read the size */ + if (memcmp(query, "QRY", 3) == 0) + size = 1 << readb(flash_addr + (0x27 * width)); + + /* send CFI 'read array' command */ + writew(0xff, flash_addr); + + iounmap(flash_addr); + } + + return size; +} +#endif + +void __init iop13xx_map_io(void) +{ + /* Initialize the Static Page Table maps */ + iotable_init(iop13xx_std_desc, ARRAY_SIZE(iop13xx_std_desc)); +} + +static int init_uart = 0; +static int init_i2c = 0; + +void __init iop13xx_platform_init(void) +{ + int i; + u32 uart_idx, i2c_idx, plat_idx; + struct platform_device *iop13xx_devices[IQ81340_MAX_PLAT_DEVICES]; + + /* set the bases so we can read the device id */ + iop13xx_set_atu_mmr_bases(); + + memset(iop13xx_devices, 0, sizeof(iop13xx_devices)); + + if (init_uart == IOP13XX_INIT_UART_DEFAULT) { + switch (iop13xx_dev_id()) { + /* enable both uarts on iop341 and iop342 */ + case 0x3380: + case 0x3384: + case 0x3388: + case 0x338c: + case 0x3382: + case 0x3386: + case 0x338a: + case 0x338e: + init_uart |= IOP13XX_INIT_UART_0; + init_uart |= IOP13XX_INIT_UART_1; + break; + /* only enable uart 1 */ + default: + init_uart |= IOP13XX_INIT_UART_1; + } + } + + if (init_i2c == IOP13XX_INIT_I2C_DEFAULT) { + switch (iop13xx_dev_id()) { + /* enable all i2c units on iop341 and iop342 */ + case 0x3380: + case 0x3384: + case 0x3388: + case 0x338c: + case 0x3382: + case 0x3386: + case 0x338a: + case 0x338e: + init_i2c |= IOP13XX_INIT_I2C_0; + init_i2c |= IOP13XX_INIT_I2C_1; + init_i2c |= IOP13XX_INIT_I2C_2; + break; + /* only enable i2c 1 and 2 */ + default: + init_i2c |= IOP13XX_INIT_I2C_1; + init_i2c |= IOP13XX_INIT_I2C_2; + } + } + + plat_idx = 0; + uart_idx = 0; + i2c_idx = 0; + + /* uart 1 (if enabled) is ttyS0 */ + if (init_uart & IOP13XX_INIT_UART_1) { + PRINTK("Adding uart1 to platform device list\n"); + iop13xx_uart1.id = uart_idx++; + iop13xx_devices[plat_idx++] = &iop13xx_uart1; + } + if (init_uart & IOP13XX_INIT_UART_0) { + PRINTK("Adding uart0 to platform device list\n"); + iop13xx_uart0.id = uart_idx++; + iop13xx_devices[plat_idx++] = &iop13xx_uart0; + } + + for(i = 0; i < IQ81340_NUM_I2C; i++) { + if ((init_i2c & (1 << i)) && IOP13XX_SETUP_DEBUG) + printk("Adding i2c%d to platform device list\n", i); + switch(init_i2c & (1 << i)) { + case IOP13XX_INIT_I2C_0: + iop13xx_i2c_0_controller.id = i2c_idx++; + iop13xx_devices[plat_idx++] = + &iop13xx_i2c_0_controller; + break; + case IOP13XX_INIT_I2C_1: + iop13xx_i2c_1_controller.id = i2c_idx++; + iop13xx_devices[plat_idx++] = + &iop13xx_i2c_1_controller; + break; + case IOP13XX_INIT_I2C_2: + iop13xx_i2c_2_controller.id = i2c_idx++; + iop13xx_devices[plat_idx++] = + &iop13xx_i2c_2_controller; + break; + } + } + +#ifdef CONFIG_MTD_PHYSMAP + iq8134x_flash_resource.end = iq8134x_flash_resource.start + + iq8134x_probe_flash_size(); + if (iq8134x_flash_resource.end > iq8134x_flash_resource.start) + iop13xx_devices[plat_idx++] = &iq8134x_flash; + else + printk(KERN_ERR "%s: Failed to probe flash size\n", __FUNCTION__); +#endif + + platform_add_devices(iop13xx_devices, plat_idx); +} + +static int __init iop13xx_init_uart_setup(char *str) +{ + if (str) { + while (*str != '\0') { + switch(*str) { + case '0': + init_uart |= IOP13XX_INIT_UART_0; + break; + case '1': + init_uart |= IOP13XX_INIT_UART_1; + break; + case ',': + case '=': + break; + default: + PRINTK("\"iop13xx_init_uart\" malformed" + " at character: \'%c\'", *str); + *(str + 1) = '\0'; + init_uart = IOP13XX_INIT_UART_DEFAULT; + } + str++; + } + } + return 1; +} + +static int __init iop13xx_init_i2c_setup(char *str) +{ + if (str) { + while (*str != '\0') { + switch(*str) { + case '0': + init_i2c |= IOP13XX_INIT_I2C_0; + break; + case '1': + init_i2c |= IOP13XX_INIT_I2C_1; + break; + case '2': + init_i2c |= IOP13XX_INIT_I2C_2; + break; + case ',': + case '=': + break; + default: + PRINTK("\"iop13xx_init_i2c\" malformed" + " at character: \'%c\'", *str); + *(str + 1) = '\0'; + init_i2c = IOP13XX_INIT_I2C_DEFAULT; + } + str++; + } + } + return 1; +} + +__setup("iop13xx_init_uart", iop13xx_init_uart_setup); +__setup("iop13xx_init_i2c", iop13xx_init_i2c_setup); diff --git a/arch/arm/mach-iop13xx/time.c b/arch/arm/mach-iop13xx/time.c new file mode 100644 index 0000000..8b21365 --- /dev/null +++ b/arch/arm/mach-iop13xx/time.c @@ -0,0 +1,102 @@ +/* + * arch/arm/mach-iop13xx/time.c + * + * Timer code for IOP13xx (copied from IOP32x/IOP33x implementation) + * + * Author: Deepak Saxena <dsaxena@mvista.com> + * + * Copyright 2002-2003 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/kernel.h> +#include <linux/interrupt.h> +#include <linux/time.h> +#include <linux/init.h> +#include <linux/timex.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/uaccess.h> +#include <asm/mach/irq.h> +#include <asm/mach/time.h> + +static unsigned long ticks_per_jiffy; +static unsigned long ticks_per_usec; +static unsigned long next_jiffy_time; + +static inline u32 read_tcr1(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c3, c9, 0" : "=r" (val)); + return val; +} + +unsigned long iop13xx_gettimeoffset(void) +{ + unsigned long offset; + u32 cp_flags; + + cp_flags = iop13xx_cp6_save(); + offset = next_jiffy_time - read_tcr1(); + iop13xx_cp6_restore(cp_flags); + + return offset / ticks_per_usec; +} + +static irqreturn_t +iop13xx_timer_interrupt(int irq, void *dev_id) +{ + u32 cp_flags = iop13xx_cp6_save(); + + write_seqlock(&xtime_lock); + + asm volatile("mcr p6, 0, %0, c6, c9, 0" : : "r" (1)); + + while ((signed long)(next_jiffy_time - read_tcr1()) + >= ticks_per_jiffy) { + timer_tick(); + next_jiffy_time -= ticks_per_jiffy; + } + + write_sequnlock(&xtime_lock); + + iop13xx_cp6_restore(cp_flags); + + return IRQ_HANDLED; +} + +static struct irqaction iop13xx_timer_irq = { + .name = "IOP13XX Timer Tick", + .handler = iop13xx_timer_interrupt, + .flags = IRQF_DISABLED | IRQF_TIMER, +}; + +void __init iop13xx_init_time(unsigned long tick_rate) +{ + u32 timer_ctl; + u32 cp_flags; + + ticks_per_jiffy = (tick_rate + HZ/2) / HZ; + ticks_per_usec = tick_rate / 1000000; + next_jiffy_time = 0xffffffff; + + timer_ctl = IOP13XX_TMR_EN | IOP13XX_TMR_PRIVILEGED | + IOP13XX_TMR_RELOAD | IOP13XX_TMR_RATIO_1_1; + + /* + * We use timer 0 for our timer interrupt, and timer 1 as + * monotonic counter for tracking missed jiffies. + */ + cp_flags = iop13xx_cp6_save(); + asm volatile("mcr p6, 0, %0, c4, c9, 0" : : "r" (ticks_per_jiffy - 1)); + asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (timer_ctl)); + asm volatile("mcr p6, 0, %0, c5, c9, 0" : : "r" (0xffffffff)); + asm volatile("mcr p6, 0, %0, c1, c9, 0" : : "r" (timer_ctl)); + iop13xx_cp6_restore(cp_flags); + + setup_irq(IRQ_IOP13XX_TIMER0, &iop13xx_timer_irq); +} diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c0bfb82..4c4dae6 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -333,7 +333,7 @@ config CPU_XSCALE # XScale Core Version 3 config CPU_XSC3 bool - depends on ARCH_IXP23XX + depends on ARCH_IXP23XX || ARCH_IOP13XX default y select CPU_32v5 select CPU_ABRT_EV5T diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 510816c..5cbf8b9 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -195,11 +195,11 @@ config I2C_IBM_IIC will be called i2c-ibm_iic. config I2C_IOP3XX - tristate "Intel IOP3xx and IXP4xx on-chip I2C interface" - depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX) && I2C + tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" + depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX) && I2C help Say Y here if you want to use the IIC bus controller on - the Intel IOP3xx I/O Processors or IXP4xx Network Processors. + the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. This driver can also be built as a module. If so, the module will be called i2c-iop3xx. diff --git a/include/asm-arm/arch-iop13xx/debug-macro.S b/include/asm-arm/arch-iop13xx/debug-macro.S new file mode 100644 index 0000000..788b4e3 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/debug-macro.S @@ -0,0 +1,26 @@ +/* + * include/asm-arm/arch-iop13xx/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + + .macro addruart, rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ mmu enabled? + moveq \rx, #0xff000000 @ physical + orreq \rx, \rx, #0x00d80000 + movne \rx, #0xfe000000 @ virtual + orrne \rx, \rx, #0x00e80000 + orr \rx, \rx, #0x00002300 + orr \rx, \rx, #0x00000040 + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/include/asm-arm/arch-iop13xx/dma.h b/include/asm-arm/arch-iop13xx/dma.h new file mode 100644 index 0000000..2e15da53 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/dma.h @@ -0,0 +1,3 @@ +#ifndef _IOP13XX_DMA_H +#define _IOP13XX_DMA_H_ +#endif diff --git a/include/asm-arm/arch-iop13xx/entry-macro.S b/include/asm-arm/arch-iop13xx/entry-macro.S new file mode 100644 index 0000000..94c5028 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/entry-macro.S @@ -0,0 +1,39 @@ +/* + * iop13xx low level irq macros + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ + .macro disable_fiq + .endm + + /* + * Note: a 1-cycle window exists where iintvec will return the value + * of iintbase, so we explicitly check for "bad zeros" + */ + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + mrc p15, 0, \tmp, c15, c1, 0 + orr \tmp, \tmp, #(1 << 6) + mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access + + mrc p6, 0, \irqnr, c3, c2, 0 @ Read IINTVEC + cmp \irqnr, #0 + mrceq p6, 0, \irqnr, c3, c2, 0 @ Re-read on potentially bad zero + adds \irqstat, \irqnr, #1 @ Check for 0xffffffff + movne \irqnr, \irqnr, lsr #2 @ Convert to irqnr + + biceq \tmp, \tmp, #(1 << 6) + mcreq p15, 0, \tmp, c15, c1, 0 @ Disable cp6 access if no more interrupts + .endm diff --git a/include/asm-arm/arch-iop13xx/hardware.h b/include/asm-arm/arch-iop13xx/hardware.h new file mode 100644 index 0000000..8e1d562 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/hardware.h @@ -0,0 +1,28 @@ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H +#include <asm/types.h> + +#define pcibios_assign_all_busses() 1 + +#ifndef __ASSEMBLY__ +extern unsigned long iop13xx_pcibios_min_io; +extern unsigned long iop13xx_pcibios_min_mem; +extern u16 iop13xx_dev_id(void); +extern void iop13xx_set_atu_mmr_bases(void); +#endif + +#define PCIBIOS_MIN_IO (iop13xx_pcibios_min_io) +#define PCIBIOS_MIN_MEM (iop13xx_pcibios_min_mem) + +/* + * Generic chipset bits + * + */ +#include "iop13xx.h" + +/* + * Board specific bits + */ +#include "iq81340.h" + +#endif /* _ASM_ARCH_HARDWARE_H */ diff --git a/include/asm-arm/arch-iop13xx/io.h b/include/asm-arm/arch-iop13xx/io.h new file mode 100644 index 0000000..db6de24 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/io.h @@ -0,0 +1,41 @@ +/* + * iop13xx custom ioremap implementation + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) (a) +#define __mem_pci(a) (a) +#define __mem_isa(a) (a) + +extern void __iomem * __ioremap(unsigned long, size_t, unsigned long); +extern void __iomem *__iop13xx_ioremap(unsigned long cookie, size_t size, + unsigned long flags); +extern void __iop13xx_iounmap(void __iomem *addr); + +extern u32 iop13xx_atue_mem_base; +extern u32 iop13xx_atux_mem_base; +extern size_t iop13xx_atue_mem_size; +extern size_t iop13xx_atux_mem_size; + +#define __arch_ioremap(a, s, f) __iop13xx_ioremap(a, s, f) +#define __arch_iounmap(a) __iop13xx_iounmap(a) + +#endif diff --git a/include/asm-arm/arch-iop13xx/iop13xx.h b/include/asm-arm/arch-iop13xx/iop13xx.h new file mode 100644 index 0000000..a88522a --- /dev/null +++ b/include/asm-arm/arch-iop13xx/iop13xx.h @@ -0,0 +1,492 @@ +#ifndef _IOP13XX_HW_H_ +#define _IOP13XX_HW_H_ + +#ifndef __ASSEMBLY__ +/* The ATU offsets can change based on the strapping */ +extern u32 iop13xx_atux_pmmr_offset; +extern u32 iop13xx_atue_pmmr_offset; +void iop13xx_init_irq(void); +void iop13xx_map_io(void); +void iop13xx_platform_init(void); +void iop13xx_init_irq(void); +void iop13xx_init_time(unsigned long tickrate); +unsigned long iop13xx_gettimeoffset(void); + +/* handle cp6 access + * to do: handle access in entry-armv5.S and unify with + * the iop3xx implementation + * note: use iop13xx_cp6_enable_irq_save and iop13xx_cp6_irq_restore (irq.h) + * when interrupts are enabled + */ +static inline unsigned long iop13xx_cp6_save(void) +{ + u32 temp, cp_flags; + + asm volatile ( + "mrc p15, 0, %1, c15, c1, 0\n\t" + "orr %0, %1, #(1 << 6)\n\t" + "mcr p15, 0, %0, c15, c1, 0\n\t" + : "=r" (temp), "=r"(cp_flags)); + + return cp_flags; +} + +static inline void iop13xx_cp6_restore(unsigned long cp_flags) +{ + asm volatile ( + "mcr p15, 0, %0, c15, c1, 0\n\t" + : : "r" (cp_flags) ); +} + +/* CPUID CP6 R0 Page 0 */ +static inline int iop13xx_cpu_id(void) +{ + int id; + asm volatile("mrc p6, 0, %0, c0, c0, 0":"=r" (id)); + return id; +} + +#endif + +/* + * IOP13XX I/O and Mem space regions for PCI autoconfiguration + */ +#define IOP13XX_MAX_RAM_SIZE 0x80000000UL /* 2GB */ +#define IOP13XX_PCI_OFFSET IOP13XX_MAX_RAM_SIZE + +/* PCI MAP + * 0x0000.0000 - 0x8000.0000 1:1 mapping with Physical RAM + * 0x8000.0000 - 0x8800.0000 PCIX/PCIE memory window (128MB) +*/ +#define IOP13XX_PCIX_IO_WINDOW_SIZE 0x10000UL +#define IOP13XX_PCIX_LOWER_IO_PA 0xfffb0000UL +#define IOP13XX_PCIX_LOWER_IO_VA 0xfec60000UL +#define IOP13XX_PCIX_LOWER_IO_BA 0x0fff0000UL +#define IOP13XX_PCIX_UPPER_IO_PA (IOP13XX_PCIX_LOWER_IO_PA +\ + IOP13XX_PCIX_IO_WINDOW_SIZE - 1) +#define IOP13XX_PCIX_UPPER_IO_VA (IOP13XX_PCIX_LOWER_IO_VA +\ + IOP13XX_PCIX_IO_WINDOW_SIZE - 1) +#define IOP13XX_PCIX_IO_OFFSET (IOP13XX_PCIX_LOWER_IO_VA -\ + IOP13XX_PCIX_LOWER_IO_BA) +#define IOP13XX_PCIX_IO_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\ + (IOP13XX_PCIX_LOWER_IO_PA\ + - IOP13XX_PCIX_LOWER_IO_VA)) + +#define IOP13XX_PCIX_MEM_PHYS_OFFSET 0x100000000ULL +#define IOP13XX_PCIX_MEM_WINDOW_SIZE 0x3a000000UL +#define IOP13XX_PCIX_LOWER_MEM_BA (PHYS_OFFSET + IOP13XX_PCI_OFFSET) +#define IOP13XX_PCIX_LOWER_MEM_PA (IOP13XX_PCIX_MEM_PHYS_OFFSET +\ + IOP13XX_PCIX_LOWER_MEM_BA) +#define IOP13XX_PCIX_UPPER_MEM_PA (IOP13XX_PCIX_LOWER_MEM_PA +\ + IOP13XX_PCIX_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PCIX_UPPER_MEM_BA (IOP13XX_PCIX_LOWER_MEM_BA +\ + IOP13XX_PCIX_MEM_WINDOW_SIZE - 1) + +#define IOP13XX_PCIX_MEM_COOKIE 0x80000000UL +#define IOP13XX_PCIX_LOWER_MEM_RA IOP13XX_PCIX_MEM_COOKIE +#define IOP13XX_PCIX_UPPER_MEM_RA (IOP13XX_PCIX_LOWER_MEM_RA +\ + IOP13XX_PCIX_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PCIX_MEM_OFFSET (IOP13XX_PCIX_MEM_COOKIE -\ + IOP13XX_PCIX_LOWER_MEM_BA) + +/* PCI-E ranges */ +#define IOP13XX_PCIE_IO_WINDOW_SIZE 0x10000UL +#define IOP13XX_PCIE_LOWER_IO_PA 0xfffd0000UL +#define IOP13XX_PCIE_LOWER_IO_VA 0xfed70000UL +#define IOP13XX_PCIE_LOWER_IO_BA 0x0fff0000UL +#define IOP13XX_PCIE_UPPER_IO_PA (IOP13XX_PCIE_LOWER_IO_PA +\ + IOP13XX_PCIE_IO_WINDOW_SIZE - 1) +#define IOP13XX_PCIE_UPPER_IO_VA (IOP13XX_PCIE_LOWER_IO_VA +\ + IOP13XX_PCIE_IO_WINDOW_SIZE - 1) +#define IOP13XX_PCIE_UPPER_IO_BA (IOP13XX_PCIE_LOWER_IO_BA +\ + IOP13XX_PCIE_IO_WINDOW_SIZE - 1) +#define IOP13XX_PCIE_IO_OFFSET (IOP13XX_PCIE_LOWER_IO_VA -\ + IOP13XX_PCIE_LOWER_IO_BA) +#define IOP13XX_PCIE_IO_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\ + (IOP13XX_PCIE_LOWER_IO_PA\ + - IOP13XX_PCIE_LOWER_IO_VA)) + +#define IOP13XX_PCIE_MEM_PHYS_OFFSET 0x200000000ULL +#define IOP13XX_PCIE_MEM_WINDOW_SIZE 0x3a000000UL +#define IOP13XX_PCIE_LOWER_MEM_BA (PHYS_OFFSET + IOP13XX_PCI_OFFSET) +#define IOP13XX_PCIE_LOWER_MEM_PA (IOP13XX_PCIE_MEM_PHYS_OFFSET +\ + IOP13XX_PCIE_LOWER_MEM_BA) +#define IOP13XX_PCIE_UPPER_MEM_PA (IOP13XX_PCIE_LOWER_MEM_PA +\ + IOP13XX_PCIE_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PCIE_UPPER_MEM_BA (IOP13XX_PCIE_LOWER_MEM_BA +\ + IOP13XX_PCIE_MEM_WINDOW_SIZE - 1) + +/* All 0xc000.0000 - 0xfdff.ffff addresses belong to PCIe */ +#define IOP13XX_PCIE_MEM_COOKIE 0xc0000000UL +#define IOP13XX_PCIE_LOWER_MEM_RA IOP13XX_PCIE_MEM_COOKIE +#define IOP13XX_PCIE_UPPER_MEM_RA (IOP13XX_PCIE_LOWER_MEM_RA +\ + IOP13XX_PCIE_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PCIE_MEM_OFFSET (IOP13XX_PCIE_MEM_COOKIE -\ + IOP13XX_PCIE_LOWER_MEM_BA) + +/* PBI Ranges */ +#define IOP13XX_PBI_LOWER_MEM_PA 0xf0000000UL +#define IOP13XX_PBI_MEM_WINDOW_SIZE 0x04000000UL +#define IOP13XX_PBI_MEM_COOKIE 0xfa000000UL +#define IOP13XX_PBI_LOWER_MEM_RA IOP13XX_PBI_MEM_COOKIE +#define IOP13XX_PBI_UPPER_MEM_RA (IOP13XX_PBI_LOWER_MEM_RA +\ + IOP13XX_PBI_MEM_WINDOW_SIZE - 1) + +/* + * IOP13XX chipset registers + */ +#define IOP13XX_PMMR_PHYS_MEM_BASE 0xffd80000UL /* PMMR phys. address */ +#define IOP13XX_PMMR_VIRT_MEM_BASE 0xfee80000UL /* PMMR phys. address */ +#define IOP13XX_PMMR_MEM_WINDOW_SIZE 0x80000 +#define IOP13XX_PMMR_UPPER_MEM_VA (IOP13XX_PMMR_VIRT_MEM_BASE +\ + IOP13XX_PMMR_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PMMR_UPPER_MEM_PA (IOP13XX_PMMR_PHYS_MEM_BASE +\ + IOP13XX_PMMR_MEM_WINDOW_SIZE - 1) +#define IOP13XX_PMMR_VIRT_TO_PHYS(addr) (u32) ((u32) addr +\ + (IOP13XX_PMMR_PHYS_MEM_BASE\ + - IOP13XX_PMMR_VIRT_MEM_BASE)) +#define IOP13XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\ + (IOP13XX_PMMR_PHYS_MEM_BASE\ + - IOP13XX_PMMR_VIRT_MEM_BASE)) +#define IOP13XX_REG_ADDR32(reg) (IOP13XX_PMMR_VIRT_MEM_BASE + (reg)) +#define IOP13XX_REG_ADDR16(reg) (IOP13XX_PMMR_VIRT_MEM_BASE + (reg)) +#define IOP13XX_REG_ADDR8(reg) (IOP13XX_PMMR_VIRT_MEM_BASE + (reg)) +#define IOP13XX_REG_ADDR32_PHYS(reg) (IOP13XX_PMMR_PHYS_MEM_BASE + (reg)) +#define IOP13XX_REG_ADDR16_PHYS(reg) (IOP13XX_PMMR_PHYS_MEM_BASE + (reg)) +#define IOP13XX_REG_ADDR8_PHYS(reg) (IOP13XX_PMMR_PHYS_MEM_BASE + (reg)) +#define IOP13XX_PMMR_SIZE 0x00080000 + +/*=================== Defines for Platform Devices =====================*/ +#define IOP13XX_UART0_PHYS (IOP13XX_PMMR_PHYS_MEM_BASE | 0x00002300) +#define IOP13XX_UART1_PHYS (IOP13XX_PMMR_PHYS_MEM_BASE | 0x00002340) +#define IOP13XX_UART0_VIRT (IOP13XX_PMMR_VIRT_MEM_BASE | 0x00002300) +#define IOP13XX_UART1_VIRT (IOP13XX_PMMR_VIRT_MEM_BASE | 0x00002340) + +#define IOP13XX_I2C0_PHYS (IOP13XX_PMMR_PHYS_MEM_BASE | 0x00002500) +#define IOP13XX_I2C1_PHYS (IOP13XX_PMMR_PHYS_MEM_BASE | 0x00002520) +#define IOP13XX_I2C2_PHYS (IOP13XX_PMMR_PHYS_MEM_BASE | 0x00002540) +#define IOP13XX_I2C0_VIRT (IOP13XX_PMMR_VIRT_MEM_BASE | 0x00002500) +#define IOP13XX_I2C1_VIRT (IOP13XX_PMMR_VIRT_MEM_BASE | 0x00002520) +#define IOP13XX_I2C2_VIRT (IOP13XX_PMMR_VIRT_MEM_BASE | 0x00002540) + +/* ATU selection flags */ +/* IOP13XX_INIT_ATU_DEFAULT = Rely on CONFIG_IOP13XX_ATU* */ +#define IOP13XX_INIT_ATU_DEFAULT (0) +#define IOP13XX_INIT_ATU_ATUX (1 << 0) +#define IOP13XX_INIT_ATU_ATUE (1 << 1) +#define IOP13XX_INIT_ATU_NONE (1 << 2) + +/* UART selection flags */ +/* IOP13XX_INIT_UART_DEFAULT = Rely on CONFIG_IOP13XX_UART* */ +#define IOP13XX_INIT_UART_DEFAULT (0) +#define IOP13XX_INIT_UART_0 (1 << 0) +#define IOP13XX_INIT_UART_1 (1 << 1) + +/* I2C selection flags */ +/* IOP13XX_INIT_I2C_DEFAULT = Rely on CONFIG_IOP13XX_I2C* */ +#define IOP13XX_INIT_I2C_DEFAULT (0) +#define IOP13XX_INIT_I2C_0 (1 << 0) +#define IOP13XX_INIT_I2C_1 (1 << 1) +#define IOP13XX_INIT_I2C_2 (1 << 2) + +#define IQ81340_NUM_UART 2 +#define IQ81340_NUM_I2C 3 +#define IQ81340_NUM_PHYS_MAP_FLASH 1 +#define IQ81340_MAX_PLAT_DEVICES (IQ81340_NUM_UART +\ + IQ81340_NUM_I2C +\ + IQ81340_NUM_PHYS_MAP_FLASH) + +/*========================== PMMR offsets for key registers ============*/ +#define IOP13XX_ATU0_PMMR_OFFSET 0x00048000 +#define IOP13XX_ATU1_PMMR_OFFSET 0x0004c000 +#define IOP13XX_ATU2_PMMR_OFFSET 0x0004d000 +#define IOP13XX_ADMA0_PMMR_OFFSET 0x00000000 +#define IOP13XX_ADMA1_PMMR_OFFSET 0x00000200 +#define IOP13XX_ADMA2_PMMR_OFFSET 0x00000400 +#define IOP13XX_PBI_PMMR_OFFSET 0x00001580 +#define IOP13XX_ESSR0_PMMR_OFFSET 0x00002188 +#define IOP13XX_ESSR0 IOP13XX_REG_ADDR32(0x00002188) + +#define IOP13XX_ESSR0_IFACE_MASK 0x00004000 /* Interface PCI-X / PCI-E */ +#define IOP13XX_CONTROLLER_ONLY (1 << 14) +#define IOP13XX_INTERFACE_SEL_PCIX (1 << 15) + +#define IOP13XX_PMON_PMMR_OFFSET 0x0001A000 +#define IOP13XX_PMON_BASE (IOP13XX_PMMR_VIRT_MEM_BASE +\ + IOP13XX_PMON_PMMR_OFFSET) +#define IOP13XX_PMON_PHYSBASE (IOP13XX_PMMR_PHYS_MEM_BASE +\ + IOP13XX_PMON_PMMR_OFFSET) + +#define IOP13XX_PMON_CMD0 (IOP13XX_PMON_BASE + 0x0) +#define IOP13XX_PMON_EVR0 (IOP13XX_PMON_BASE + 0x4) +#define IOP13XX_PMON_STS0 (IOP13XX_PMON_BASE + 0x8) +#define IOP13XX_PMON_DATA0 (IOP13XX_PMON_BASE + 0xC) + +#define IOP13XX_PMON_CMD3 (IOP13XX_PMON_BASE + 0x30) +#define IOP13XX_PMON_EVR3 (IOP13XX_PMON_BASE + 0x34) +#define IOP13XX_PMON_STS3 (IOP13XX_PMON_BASE + 0x38) +#define IOP13XX_PMON_DATA3 (IOP13XX_PMON_BASE + 0x3C) + +#define IOP13XX_PMON_CMD7 (IOP13XX_PMON_BASE + 0x70) +#define IOP13XX_PMON_EVR7 (IOP13XX_PMON_BASE + 0x74) +#define IOP13XX_PMON_STS7 (IOP13XX_PMON_BASE + 0x78) +#define IOP13XX_PMON_DATA7 (IOP13XX_PMON_BASE + 0x7C) + +#define IOP13XX_PMONEN (IOP13XX_PMMR_VIRT_MEM_BASE + 0x4E040) +#define IOP13XX_PMONSTAT (IOP13XX_PMMR_VIRT_MEM_BASE + 0x4E044) + +/*================================ATU===================================*/ +#define IOP13XX_ATUX_OFFSET(ofs) IOP13XX_REG_ADDR32(\ + iop13xx_atux_pmmr_offset + (ofs)) + +#define IOP13XX_ATUX_DID IOP13XX_REG_ADDR16(\ + iop13xx_atux_pmmr_offset + 0x2) + +#define IOP13XX_ATUX_ATUCMD IOP13XX_REG_ADDR16(\ + iop13xx_atux_pmmr_offset + 0x4) +#define IOP13XX_ATUX_ATUSR IOP13XX_REG_ADDR16(\ + iop13xx_atux_pmmr_offset + 0x6) + +#define IOP13XX_ATUX_IABAR0 IOP13XX_ATUX_OFFSET(0x10) +#define IOP13XX_ATUX_IAUBAR0 IOP13XX_ATUX_OFFSET(0x14) +#define IOP13XX_ATUX_IABAR1 IOP13XX_ATUX_OFFSET(0x18) +#define IOP13XX_ATUX_IAUBAR1 IOP13XX_ATUX_OFFSET(0x1c) +#define IOP13XX_ATUX_IABAR2 IOP13XX_ATUX_OFFSET(0x20) +#define IOP13XX_ATUX_IAUBAR2 IOP13XX_ATUX_OFFSET(0x24) +#define IOP13XX_ATUX_IALR0 IOP13XX_ATUX_OFFSET(0x40) +#define IOP13XX_ATUX_IATVR0 IOP13XX_ATUX_OFFSET(0x44) +#define IOP13XX_ATUX_IAUTVR0 IOP13XX_ATUX_OFFSET(0x48) +#define IOP13XX_ATUX_IALR1 IOP13XX_ATUX_OFFSET(0x4c) +#define IOP13XX_ATUX_IATVR1 IOP13XX_ATUX_OFFSET(0x50) +#define IOP13XX_ATUX_IAUTVR1 IOP13XX_ATUX_OFFSET(0x54) +#define IOP13XX_ATUX_IALR2 IOP13XX_ATUX_OFFSET(0x58) +#define IOP13XX_ATUX_IATVR2 IOP13XX_ATUX_OFFSET(0x5c) +#define IOP13XX_ATUX_IAUTVR2 IOP13XX_ATUX_OFFSET(0x60) +#define IOP13XX_ATUX_ATUCR IOP13XX_ATUX_OFFSET(0x70) +#define IOP13XX_ATUX_PCSR IOP13XX_ATUX_OFFSET(0x74) +#define IOP13XX_ATUX_ATUISR IOP13XX_ATUX_OFFSET(0x78) +#define IOP13XX_ATUX_PCIXSR IOP13XX_ATUX_OFFSET(0xD4) +#define IOP13XX_ATUX_IABAR3 IOP13XX_ATUX_OFFSET(0x200) +#define IOP13XX_ATUX_IAUBAR3 IOP13XX_ATUX_OFFSET(0x204) +#define IOP13XX_ATUX_IALR3 IOP13XX_ATUX_OFFSET(0x208) +#define IOP13XX_ATUX_IATVR3 IOP13XX_ATUX_OFFSET(0x20c) +#define IOP13XX_ATUX_IAUTVR3 IOP13XX_ATUX_OFFSET(0x210) + +#define IOP13XX_ATUX_OIOBAR IOP13XX_ATUX_OFFSET(0x300) +#define IOP13XX_ATUX_OIOWTVR IOP13XX_ATUX_OFFSET(0x304) +#define IOP13XX_ATUX_OUMBAR0 IOP13XX_ATUX_OFFSET(0x308) +#define IOP13XX_ATUX_OUMWTVR0 IOP13XX_ATUX_OFFSET(0x30c) +#define IOP13XX_ATUX_OUMBAR1 IOP13XX_ATUX_OFFSET(0x310) +#define IOP13XX_ATUX_OUMWTVR1 IOP13XX_ATUX_OFFSET(0x314) +#define IOP13XX_ATUX_OUMBAR2 IOP13XX_ATUX_OFFSET(0x318) +#define IOP13XX_ATUX_OUMWTVR2 IOP13XX_ATUX_OFFSET(0x31c) +#define IOP13XX_ATUX_OUMBAR3 IOP13XX_ATUX_OFFSET(0x320) +#define IOP13XX_ATUX_OUMWTVR3 IOP13XX_ATUX_OFFSET(0x324) +#define IOP13XX_ATUX_OUDMABAR IOP13XX_ATUX_OFFSET(0x328) +#define IOP13XX_ATUX_OUMSIBAR IOP13XX_ATUX_OFFSET(0x32c) +#define IOP13XX_ATUX_OCCAR IOP13XX_ATUX_OFFSET(0x330) +#define IOP13XX_ATUX_OCCDR IOP13XX_ATUX_OFFSET(0x334) + +#define IOP13XX_ATUX_ATUCR_OUT_EN (1 << 1) +#define IOP13XX_ATUX_PCSR_CENTRAL_RES (1 << 25) +#define IOP13XX_ATUX_PCSR_P_RSTOUT (1 << 21) +#define IOP13XX_ATUX_PCSR_OUT_Q_BUSY (1 << 15) +#define IOP13XX_ATUX_PCSR_IN_Q_BUSY (1 << 14) +#define IOP13XX_ATUX_PCSR_FREQ_OFFSET (16) + +#define IOP13XX_ATUX_STAT_PCI_IFACE_ERR (1 << 18) +#define IOP13XX_ATUX_STAT_VPD_ADDR (1 << 17) +#define IOP13XX_ATUX_STAT_INT_PAR_ERR (1 << 16) +#define IOP13XX_ATUX_STAT_CFG_WRITE (1 << 15) +#define IOP13XX_ATUX_STAT_ERR_COR (1 << 14) +#define IOP13XX_ATUX_STAT_TX_SCEM (1 << 13) +#define IOP13XX_ATUX_STAT_REC_SCEM (1 << 12) +#define IOP13XX_ATUX_STAT_POWER_TRAN (1 << 11) +#define IOP13XX_ATUX_STAT_TX_SERR (1 << 10) +#define IOP13XX_ATUX_STAT_DET_PAR_ERR (1 << 9 ) +#define IOP13XX_ATUX_STAT_BIST (1 << 8 ) +#define IOP13XX_ATUX_STAT_INT_REC_MABORT (1 << 7 ) +#define IOP13XX_ATUX_STAT_REC_SERR (1 << 4 ) +#define IOP13XX_ATUX_STAT_EXT_REC_MABORT (1 << 3 ) +#define IOP13XX_ATUX_STAT_EXT_REC_TABORT (1 << 2 ) +#define IOP13XX_ATUX_STAT_EXT_SIG_TABORT (1 << 1 ) +#define IOP13XX_ATUX_STAT_MASTER_DATA_PAR (1 << 0 ) + +#define IOP13XX_ATUX_PCIXSR_BUS_NUM (8) +#define IOP13XX_ATUX_PCIXSR_DEV_NUM (3) +#define IOP13XX_ATUX_PCIXSR_FUNC_NUM (0) + +#define IOP13XX_ATUX_IALR_DISABLE 0x00000001 +#define IOP13XX_ATUX_OUMBAR_ENABLE 0x80000000 + +#define IOP13XX_ATUE_OFFSET(ofs) IOP13XX_REG_ADDR32(\ + iop13xx_atue_pmmr_offset + (ofs)) + +#define IOP13XX_ATUE_DID IOP13XX_REG_ADDR16(\ + iop13xx_atue_pmmr_offset + 0x2) +#define IOP13XX_ATUE_ATUCMD IOP13XX_REG_ADDR16(\ + iop13xx_atue_pmmr_offset + 0x4) +#define IOP13XX_ATUE_ATUSR IOP13XX_REG_ADDR16(\ + iop13xx_atue_pmmr_offset + 0x6) + +#define IOP13XX_ATUE_IABAR0 IOP13XX_ATUE_OFFSET(0x10) +#define IOP13XX_ATUE_IAUBAR0 IOP13XX_ATUE_OFFSET(0x14) +#define IOP13XX_ATUE_IABAR1 IOP13XX_ATUE_OFFSET(0x18) +#define IOP13XX_ATUE_IAUBAR1 IOP13XX_ATUE_OFFSET(0x1c) +#define IOP13XX_ATUE_IABAR2 IOP13XX_ATUE_OFFSET(0x20) +#define IOP13XX_ATUE_IAUBAR2 IOP13XX_ATUE_OFFSET(0x24) +#define IOP13XX_ATUE_IALR0 IOP13XX_ATUE_OFFSET(0x40) +#define IOP13XX_ATUE_IATVR0 IOP13XX_ATUE_OFFSET(0x44) +#define IOP13XX_ATUE_IAUTVR0 IOP13XX_ATUE_OFFSET(0x48) +#define IOP13XX_ATUE_IALR1 IOP13XX_ATUE_OFFSET(0x4c) +#define IOP13XX_ATUE_IATVR1 IOP13XX_ATUE_OFFSET(0x50) +#define IOP13XX_ATUE_IAUTVR1 IOP13XX_ATUE_OFFSET(0x54) +#define IOP13XX_ATUE_IALR2 IOP13XX_ATUE_OFFSET(0x58) +#define IOP13XX_ATUE_IATVR2 IOP13XX_ATUE_OFFSET(0x5c) +#define IOP13XX_ATUE_IAUTVR2 IOP13XX_ATUE_OFFSET(0x60) +#define IOP13XX_ATUE_PE_LSTS IOP13XX_REG_ADDR16(\ + iop13xx_atue_pmmr_offset + 0xe2) +#define IOP13XX_ATUE_OIOWTVR IOP13XX_ATUE_OFFSET(0x304) +#define IOP13XX_ATUE_OUMBAR0 IOP13XX_ATUE_OFFSET(0x308) +#define IOP13XX_ATUE_OUMWTVR0 IOP13XX_ATUE_OFFSET(0x30c) +#define IOP13XX_ATUE_OUMBAR1 IOP13XX_ATUE_OFFSET(0x310) +#define IOP13XX_ATUE_OUMWTVR1 IOP13XX_ATUE_OFFSET(0x314) +#define IOP13XX_ATUE_OUMBAR2 IOP13XX_ATUE_OFFSET(0x318) +#define IOP13XX_ATUE_OUMWTVR2 IOP13XX_ATUE_OFFSET(0x31c) +#define IOP13XX_ATUE_OUMBAR3 IOP13XX_ATUE_OFFSET(0x320) +#define IOP13XX_ATUE_OUMWTVR3 IOP13XX_ATUE_OFFSET(0x324) + +#define IOP13XX_ATUE_ATUCR IOP13XX_ATUE_OFFSET(0x70) +#define IOP13XX_ATUE_PCSR IOP13XX_ATUE_OFFSET(0x74) +#define IOP13XX_ATUE_ATUISR IOP13XX_ATUE_OFFSET(0x78) +#define IOP13XX_ATUE_OIOBAR IOP13XX_ATUE_OFFSET(0x300) +#define IOP13XX_ATUE_OCCAR IOP13XX_ATUE_OFFSET(0x32c) +#define IOP13XX_ATUE_OCCDR IOP13XX_ATUE_OFFSET(0x330) + +#define IOP13XX_ATUE_PIE_STS IOP13XX_ATUE_OFFSET(0x384) +#define IOP13XX_ATUE_PIE_MSK IOP13XX_ATUE_OFFSET(0x388) + +#define IOP13XX_ATUE_ATUCR_IVM (1 << 6) +#define IOP13XX_ATUE_ATUCR_OUT_EN (1 << 1) +#define IOP13XX_ATUE_OCCAR_BUS_NUM (24) +#define IOP13XX_ATUE_OCCAR_DEV_NUM (19) +#define IOP13XX_ATUE_OCCAR_FUNC_NUM (16) +#define IOP13XX_ATUE_OCCAR_EXT_REG (8) +#define IOP13XX_ATUE_OCCAR_REG (2) + +#define IOP13XX_ATUE_PCSR_BUS_NUM (24) +#define IOP13XX_ATUE_PCSR_DEV_NUM (19) +#define IOP13XX_ATUE_PCSR_FUNC_NUM (16) +#define IOP13XX_ATUE_PCSR_OUT_Q_BUSY (1 << 15) +#define IOP13XX_ATUE_PCSR_IN_Q_BUSY (1 << 14) +#define IOP13XX_ATUE_PCSR_END_POINT (1 << 13) +#define IOP13XX_ATUE_PCSR_LLRB_BUSY (1 << 12) + +#define IOP13XX_ATUE_PCSR_BUS_NUM_MASK (0xff) +#define IOP13XX_ATUE_PCSR_DEV_NUM_MASK (0x1f) +#define IOP13XX_ATUE_PCSR_FUNC_NUM_MASK (0x7) + +#define IOP13XX_ATUE_PCSR_CORE_RESET (8) +#define IOP13XX_ATUE_PCSR_FUNC_NUM (16) + +#define IOP13XX_ATUE_LSTS_TRAINING (1 << 11) +#define IOP13XX_ATUE_STAT_SLOT_PWR_MSG (1 << 28) +#define IOP13XX_ATUE_STAT_PME (1 << 27) +#define IOP13XX_ATUE_STAT_HOT_PLUG_MSG (1 << 26) +#define IOP13XX_ATUE_STAT_IVM (1 << 25) +#define IOP13XX_ATUE_STAT_BIST (1 << 24) +#define IOP13XX_ATUE_STAT_CFG_WRITE (1 << 18) +#define IOP13XX_ATUE_STAT_VPD_ADDR (1 << 17) +#define IOP13XX_ATUE_STAT_POWER_TRAN (1 << 16) +#define IOP13XX_ATUE_STAT_HALT_ON_ERROR (1 << 13) +#define IOP13XX_ATUE_STAT_ROOT_SYS_ERR (1 << 12) +#define IOP13XX_ATUE_STAT_ROOT_ERR_MSG (1 << 11) +#define IOP13XX_ATUE_STAT_PCI_IFACE_ERR (1 << 10) +#define IOP13XX_ATUE_STAT_ERR_COR (1 << 9 ) +#define IOP13XX_ATUE_STAT_ERR_UNCOR (1 << 8 ) +#define IOP13XX_ATUE_STAT_CRS (1 << 7 ) +#define IOP13XX_ATUE_STAT_LNK_DWN (1 << 6 ) +#define IOP13XX_ATUE_STAT_INT_REC_MABORT (1 << 5 ) +#define IOP13XX_ATUE_STAT_DET_PAR_ERR (1 << 4 ) +#define IOP13XX_ATUE_STAT_EXT_REC_MABORT (1 << 3 ) +#define IOP13XX_ATUE_STAT_SIG_TABORT (1 << 2 ) +#define IOP13XX_ATUE_STAT_EXT_REC_TABORT (1 << 1 ) +#define IOP13XX_ATUE_STAT_MASTER_DATA_PAR (1 << 0 ) + +#define IOP13XX_ATUE_ESTAT_REC_UNSUPPORTED_COMP_REQ (1 << 31) +#define IOP13XX_ATUE_ESTAT_REC_COMPLETER_ABORT (1 << 30) +#define IOP13XX_ATUE_ESTAT_TX_POISONED_TLP (1 << 29) +#define IOP13XX_ATUE_ESTAT_TX_PAR_ERR (1 << 28) +#define IOP13XX_ATUE_ESTAT_REC_UNSUPPORTED_REQ (1 << 20) +#define IOP13XX_ATUE_ESTAT_REC_ECRC_ERR (1 << 19) +#define IOP13XX_ATUE_ESTAT_REC_MALFORMED_TLP (1 << 18) +#define IOP13XX_ATUE_ESTAT_TX_RECEIVER_OVERFLOW (1 << 17) +#define IOP13XX_ATUE_ESTAT_REC_UNEXPECTED_COMP (1 << 16) +#define IOP13XX_ATUE_ESTAT_INT_COMP_ABORT (1 << 15) +#define IOP13XX_ATUE_ESTAT_COMP_TIMEOUT (1 << 14) +#define IOP13XX_ATUE_ESTAT_FLOW_CONTROL_ERR (1 << 13) +#define IOP13XX_ATUE_ESTAT_REC_POISONED_TLP (1 << 12) +#define IOP13XX_ATUE_ESTAT_DATA_LNK_ERR (1 << 4 ) +#define IOP13XX_ATUE_ESTAT_TRAINING_ERR (1 << 0 ) + +#define IOP13XX_ATUE_IALR_DISABLE (0x00000001) +#define IOP13XX_ATUE_OUMBAR_ENABLE (0x80000000) +#define IOP13XX_ATU_OUMBAR_FUNC_NUM (28) +#define IOP13XX_ATU_OUMBAR_FUNC_NUM_MASK (0x7) +/*=======================================================================*/ + +/*==============================ADMA UNITS===============================*/ +#define IOP13XX_ADMA_PHYS_BASE(chan) IOP13XX_REG_ADDR32_PHYS((chan << 9)) +#define IOP13XX_ADMA_UPPER_PA(chan) (IOP13XX_ADMA_PHYS_BASE(chan) + 0xc0) +#define IOP13XX_ADMA_OFFSET(chan, ofs) IOP13XX_REG_ADDR32((chan << 9) + (ofs)) + +#define IOP13XX_ADMA_ACCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x0) +#define IOP13XX_ADMA_ACSR(chan) IOP13XX_ADMA_OFFSET(chan, 0x4) +#define IOP13XX_ADMA_ADAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x8) +#define IOP13XX_ADMA_IIPCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x18) +#define IOP13XX_ADMA_IIPAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x1c) +#define IOP13XX_ADMA_IIPUAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x20) +#define IOP13XX_ADMA_ANDAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x24) +#define IOP13XX_ADMA_ADCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x28) +#define IOP13XX_ADMA_CARMD(chan) IOP13XX_ADMA_OFFSET(chan, 0x2c) +#define IOP13XX_ADMA_ABCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x30) +#define IOP13XX_ADMA_DLADR(chan) IOP13XX_ADMA_OFFSET(chan, 0x34) +#define IOP13XX_ADMA_DUADR(chan) IOP13XX_ADMA_OFFSET(chan, 0x38) +#define IOP13XX_ADMA_SLAR(src, chan) IOP13XX_ADMA_OFFSET(chan, 0x3c + (src <<3)) +#define IOP13XX_ADMA_SUAR(src, chan) IOP13XX_ADMA_OFFSET(chan, 0x40 + (src <<3)) + +/*==============================XSI BRIDGE===============================*/ +#define IOP13XX_XBG_BECSR IOP13XX_REG_ADDR32(0x178c) +#define IOP13XX_XBG_BERAR IOP13XX_REG_ADDR32(0x1790) +#define IOP13XX_XBG_BERUAR IOP13XX_REG_ADDR32(0x1794) +#define is_atue_occdr_error(x) ((__raw_readl(IOP13XX_XBG_BERAR) == \ + IOP13XX_PMMR_VIRT_TO_PHYS(\ + IOP13XX_ATUE_OCCDR))\ + && (__raw_readl(IOP13XX_XBG_BECSR) & 1)) +#define is_atux_occdr_error(x) ((__raw_readl(IOP13XX_XBG_BERAR) == \ + IOP13XX_PMMR_VIRT_TO_PHYS(\ + IOP13XX_ATUX_OCCDR))\ + && (__raw_readl(IOP13XX_XBG_BECSR) & 1)) +/*=======================================================================*/ + +#define IOP13XX_PBI_OFFSET(ofs) IOP13XX_REG_ADDR32(IOP13XX_PBI_PMMR_OFFSET +\ + (ofs)) + +#define IOP13XX_PBI_CR IOP13XX_PBI_OFFSET(0x0) +#define IOP13XX_PBI_SR IOP13XX_PBI_OFFSET(0x4) +#define IOP13XX_PBI_BAR0 IOP13XX_PBI_OFFSET(0x8) +#define IOP13XX_PBI_LR0 IOP13XX_PBI_OFFSET(0xc) +#define IOP13XX_PBI_BAR1 IOP13XX_PBI_OFFSET(0x10) +#define IOP13XX_PBI_LR1 IOP13XX_PBI_OFFSET(0x14) + +#define IOP13XX_TMR_TC 0x01 +#define IOP13XX_TMR_EN 0x02 +#define IOP13XX_TMR_RELOAD 0x04 +#define IOP13XX_TMR_PRIVILEGED 0x08 + +#define IOP13XX_TMR_RATIO_1_1 0x00 +#define IOP13XX_TMR_RATIO_4_1 0x10 +#define IOP13XX_TMR_RATIO_8_1 0x20 +#define IOP13XX_TMR_RATIO_16_1 0x30 + +#endif /* _IOP13XX_HW_H_ */ diff --git a/include/asm-arm/arch-iop13xx/iq81340.h b/include/asm-arm/arch-iop13xx/iq81340.h new file mode 100644 index 0000000..b98f8f1 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/iq81340.h @@ -0,0 +1,31 @@ +#ifndef _IQ81340_H_ +#define _IQ81340_H_ + +#define IQ81340_PCE_BAR0 IOP13XX_PBI_LOWER_MEM_RA +#define IQ81340_PCE_BAR1 (IQ81340_PCE_BAR0 + 0x02000000) + +#define IQ81340_FLASHBASE IQ81340_PCE_BAR0 /* Flash */ + +#define IQ81340_PCE_BAR1_OFFSET(a) (IQ81340_PCE_BAR1 + (a)) + +#define IQ81340_PRD_CODE IQ81340_PCE_BAR1_OFFSET(0) +#define IQ81340_BRD_STEP IQ81340_PCE_BAR1_OFFSET(0x10000) +#define IQ81340_CPLD_REV IQ81340_PCE_BAR1_OFFSET(0x20000) +#define IQ81340_LED IQ81340_PCE_BAR1_OFFSET(0x30000) +#define IQ81340_LHEX IQ81340_PCE_BAR1_OFFSET(0x40000) +#define IQ81340_RHEX IQ81340_PCE_BAR1_OFFSET(0x50000) +#define IQ81340_BUZZER IQ81340_PCE_BAR1_OFFSET(0x60000) +#define IQ81340_32K_NVRAM IQ81340_PCE_BAR1_OFFSET(0x70000) +#define IQ81340_256K_NVRAM IQ81340_PCE_BAR1_OFFSET(0x80000) +#define IQ81340_ROTARY_SW IQ81340_PCE_BAR1_OFFSET(0xd0000) +#define IQ81340_BATT_STAT IQ81340_PCE_BAR1_OFFSET(0xf0000) +#define IQ81340_CMP_FLSH IQ81340_PCE_BAR1_OFFSET(0x1000000) /* 16MB */ + +#define PBI_CF_IDE_BASE (IQ81340_CMP_FLSH) +#define PBI_CF_BAR_ADDR (IOP13XX_PBI_BAR1) + +/* These are the values used in the Machine description */ +#define PHYS_IO 0xfeffff00 +#define IO_PG_OFFSET 0xffffff00 +#define BOOT_PARAM_OFFSET 0x00000100 +#endif /* _IQ81340_H_ */ diff --git a/include/asm-arm/arch-iop13xx/irqs.h b/include/asm-arm/arch-iop13xx/irqs.h new file mode 100644 index 0000000..442e35a --- /dev/null +++ b/include/asm-arm/arch-iop13xx/irqs.h @@ -0,0 +1,207 @@ +#ifndef _IOP13XX_IRQS_H_ +#define _IOP13XX_IRQS_H_ + +#ifndef __ASSEMBLER__ +#include <linux/types.h> +#include <asm/system.h> /* local_irq_save */ +#include <asm/arch/iop13xx.h> /* iop13xx_cp6_* */ + +/* INTPND0 CP6 R0 Page 3 + */ +static inline u32 read_intpnd_0(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c0, c3, 0":"=r" (val)); + return val; +} + +/* INTPND1 CP6 R1 Page 3 + */ +static inline u32 read_intpnd_1(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c1, c3, 0":"=r" (val)); + return val; +} + +/* INTPND2 CP6 R2 Page 3 + */ +static inline u32 read_intpnd_2(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c2, c3, 0":"=r" (val)); + return val; +} + +/* INTPND3 CP6 R3 Page 3 + */ +static inline u32 read_intpnd_3(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c3, c3, 0":"=r" (val)); + return val; +} + +static inline void +iop13xx_cp6_enable_irq_save(unsigned long *cp_flags, unsigned long *irq_flags) +{ + local_irq_save(*irq_flags); + *cp_flags = iop13xx_cp6_save(); +} + +static inline void +iop13xx_cp6_irq_restore(unsigned long *cp_flags, + unsigned long *irq_flags) +{ + iop13xx_cp6_restore(*cp_flags); + local_irq_restore(*irq_flags); +} +#endif + +#define INTBASE 0 +#define INTSIZE_4 1 + +/* + * iop34x chipset interrupts + */ +#define IOP13XX_IRQ(x) (IOP13XX_IRQ_OFS + (x)) + +/* + * On IRQ or FIQ register + */ +#define IRQ_IOP13XX_ADMA0_EOT (0) +#define IRQ_IOP13XX_ADMA0_EOC (1) +#define IRQ_IOP13XX_ADMA1_EOT (2) +#define IRQ_IOP13XX_ADMA1_EOC (3) +#define IRQ_IOP13XX_ADMA2_EOT (4) +#define IRQ_IOP13XX_ADMA2_EOC (5) +#define IRQ_IOP134_WATCHDOG (6) +#define IRQ_IOP13XX_RSVD_7 (7) +#define IRQ_IOP13XX_TIMER0 (8) +#define IRQ_IOP13XX_TIMER1 (9) +#define IRQ_IOP13XX_I2C_0 (10) +#define IRQ_IOP13XX_I2C_1 (11) +#define IRQ_IOP13XX_MSG (12) +#define IRQ_IOP13XX_MSGIBQ (13) +#define IRQ_IOP13XX_ATU_IM (14) +#define IRQ_IOP13XX_ATU_BIST (15) +#define IRQ_IOP13XX_PPMU (16) +#define IRQ_IOP13XX_COREPMU (17) +#define IRQ_IOP13XX_CORECACHE (18) +#define IRQ_IOP13XX_RSVD_19 (19) +#define IRQ_IOP13XX_RSVD_20 (20) +#define IRQ_IOP13XX_RSVD_21 (21) +#define IRQ_IOP13XX_RSVD_22 (22) +#define IRQ_IOP13XX_RSVD_23 (23) +#define IRQ_IOP13XX_XINT0 (24) +#define IRQ_IOP13XX_XINT1 (25) +#define IRQ_IOP13XX_XINT2 (26) +#define IRQ_IOP13XX_XINT3 (27) +#define IRQ_IOP13XX_XINT4 (28) +#define IRQ_IOP13XX_XINT5 (29) +#define IRQ_IOP13XX_XINT6 (30) +#define IRQ_IOP13XX_XINT7 (31) + /* IINTSRC1 bit */ +#define IRQ_IOP13XX_XINT8 (32) /* 0 */ +#define IRQ_IOP13XX_XINT9 (33) /* 1 */ +#define IRQ_IOP13XX_XINT10 (34) /* 2 */ +#define IRQ_IOP13XX_XINT11 (35) /* 3 */ +#define IRQ_IOP13XX_XINT12 (36) /* 4 */ +#define IRQ_IOP13XX_XINT13 (37) /* 5 */ +#define IRQ_IOP13XX_XINT14 (38) /* 6 */ +#define IRQ_IOP13XX_XINT15 (39) /* 7 */ +#define IRQ_IOP13XX_RSVD_40 (40) /* 8 */ +#define IRQ_IOP13XX_RSVD_41 (41) /* 9 */ +#define IRQ_IOP13XX_RSVD_42 (42) /* 10 */ +#define IRQ_IOP13XX_RSVD_43 (43) /* 11 */ +#define IRQ_IOP13XX_RSVD_44 (44) /* 12 */ +#define IRQ_IOP13XX_RSVD_45 (45) /* 13 */ +#define IRQ_IOP13XX_RSVD_46 (46) /* 14 */ +#define IRQ_IOP13XX_RSVD_47 (47) /* 15 */ +#define IRQ_IOP13XX_RSVD_48 (48) /* 16 */ +#define IRQ_IOP13XX_RSVD_49 (49) /* 17 */ +#define IRQ_IOP13XX_RSVD_50 (50) /* 18 */ +#define IRQ_IOP13XX_UART0 (51) /* 19 */ +#define IRQ_IOP13XX_UART1 (52) /* 20 */ +#define IRQ_IOP13XX_PBIE (53) /* 21 */ +#define IRQ_IOP13XX_ATU_CRW (54) /* 22 */ +#define IRQ_IOP13XX_ATU_ERR (55) /* 23 */ +#define IRQ_IOP13XX_MCU_ERR (56) /* 24 */ +#define IRQ_IOP13XX_ADMA0_ERR (57) /* 25 */ +#define IRQ_IOP13XX_ADMA1_ERR (58) /* 26 */ +#define IRQ_IOP13XX_ADMA2_ERR (59) /* 27 */ +#define IRQ_IOP13XX_RSVD_60 (60) /* 28 */ +#define IRQ_IOP13XX_RSVD_61 (61) /* 29 */ +#define IRQ_IOP13XX_MSG_ERR (62) /* 30 */ +#define IRQ_IOP13XX_RSVD_63 (63) /* 31 */ + /* IINTSRC2 bit */ +#define IRQ_IOP13XX_INTERPROC (64) /* 0 */ +#define IRQ_IOP13XX_RSVD_65 (65) /* 1 */ +#define IRQ_IOP13XX_RSVD_66 (66) /* 2 */ +#define IRQ_IOP13XX_RSVD_67 (67) /* 3 */ +#define IRQ_IOP13XX_RSVD_68 (68) /* 4 */ +#define IRQ_IOP13XX_RSVD_69 (69) /* 5 */ +#define IRQ_IOP13XX_RSVD_70 (70) /* 6 */ +#define IRQ_IOP13XX_RSVD_71 (71) /* 7 */ +#define IRQ_IOP13XX_RSVD_72 (72) /* 8 */ +#define IRQ_IOP13XX_RSVD_73 (73) /* 9 */ +#define IRQ_IOP13XX_RSVD_74 (74) /* 10 */ +#define IRQ_IOP13XX_RSVD_75 (75) /* 11 */ +#define IRQ_IOP13XX_RSVD_76 (76) /* 12 */ +#define IRQ_IOP13XX_RSVD_77 (77) /* 13 */ +#define IRQ_IOP13XX_RSVD_78 (78) /* 14 */ +#define IRQ_IOP13XX_RSVD_79 (79) /* 15 */ +#define IRQ_IOP13XX_RSVD_80 (80) /* 16 */ +#define IRQ_IOP13XX_RSVD_81 (81) /* 17 */ +#define IRQ_IOP13XX_RSVD_82 (82) /* 18 */ +#define IRQ_IOP13XX_RSVD_83 (83) /* 19 */ +#define IRQ_IOP13XX_RSVD_84 (84) /* 20 */ +#define IRQ_IOP13XX_RSVD_85 (85) /* 21 */ +#define IRQ_IOP13XX_RSVD_86 (86) /* 22 */ +#define IRQ_IOP13XX_RSVD_87 (87) /* 23 */ +#define IRQ_IOP13XX_RSVD_88 (88) /* 24 */ +#define IRQ_IOP13XX_RSVD_89 (89) /* 25 */ +#define IRQ_IOP13XX_RSVD_90 (90) /* 26 */ +#define IRQ_IOP13XX_RSVD_91 (91) /* 27 */ +#define IRQ_IOP13XX_RSVD_92 (92) /* 28 */ +#define IRQ_IOP13XX_RSVD_93 (93) /* 29 */ +#define IRQ_IOP13XX_SIB_ERR (94) /* 30 */ +#define IRQ_IOP13XX_SRAM_ERR (95) /* 31 */ + /* IINTSRC3 bit */ +#define IRQ_IOP13XX_I2C_2 (96) /* 0 */ +#define IRQ_IOP13XX_ATUE_BIST (97) /* 1 */ +#define IRQ_IOP13XX_ATUE_CRW (98) /* 2 */ +#define IRQ_IOP13XX_ATUE_ERR (99) /* 3 */ +#define IRQ_IOP13XX_IMU (100) /* 4 */ +#define IRQ_IOP13XX_RSVD_101 (101) /* 5 */ +#define IRQ_IOP13XX_RSVD_102 (102) /* 6 */ +#define IRQ_IOP13XX_TPMI0_OUT (103) /* 7 */ +#define IRQ_IOP13XX_TPMI1_OUT (104) /* 8 */ +#define IRQ_IOP13XX_TPMI2_OUT (105) /* 9 */ +#define IRQ_IOP13XX_TPMI3_OUT (106) /* 10 */ +#define IRQ_IOP13XX_ATUE_IMA (107) /* 11 */ +#define IRQ_IOP13XX_ATUE_IMB (108) /* 12 */ +#define IRQ_IOP13XX_ATUE_IMC (109) /* 13 */ +#define IRQ_IOP13XX_ATUE_IMD (110) /* 14 */ +#define IRQ_IOP13XX_MU_MSI_TB (111) /* 15 */ +#define IRQ_IOP13XX_RSVD_112 (112) /* 16 */ +#define IRQ_IOP13XX_RSVD_113 (113) /* 17 */ +#define IRQ_IOP13XX_RSVD_114 (114) /* 18 */ +#define IRQ_IOP13XX_RSVD_115 (115) /* 19 */ +#define IRQ_IOP13XX_RSVD_116 (116) /* 20 */ +#define IRQ_IOP13XX_RSVD_117 (117) /* 21 */ +#define IRQ_IOP13XX_RSVD_118 (118) /* 22 */ +#define IRQ_IOP13XX_RSVD_119 (119) /* 23 */ +#define IRQ_IOP13XX_RSVD_120 (120) /* 24 */ +#define IRQ_IOP13XX_RSVD_121 (121) /* 25 */ +#define IRQ_IOP13XX_RSVD_122 (122) /* 26 */ +#define IRQ_IOP13XX_RSVD_123 (123) /* 27 */ +#define IRQ_IOP13XX_RSVD_124 (124) /* 28 */ +#define IRQ_IOP13XX_RSVD_125 (125) /* 29 */ +#define IRQ_IOP13XX_RSVD_126 (126) /* 30 */ +#define IRQ_IOP13XX_HPI (127) /* 31 */ + +#define NR_IOP13XX_IRQS (IRQ_IOP13XX_HPI + 1) +#define NR_IRQS NR_IOP13XX_IRQS + +#endif /* _IOP13XX_IRQ_H_ */ diff --git a/include/asm-arm/arch-iop13xx/memory.h b/include/asm-arm/arch-iop13xx/memory.h new file mode 100644 index 0000000..031a0fa --- /dev/null +++ b/include/asm-arm/arch-iop13xx/memory.h @@ -0,0 +1,64 @@ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/arch/hardware.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0x00000000) +#define TASK_SIZE UL(0x3f000000) +#define PAGE_OFFSET UL(0x40000000) +#define TASK_UNMAPPED_BASE ((TASK_SIZE + 0x01000000) / 3) + +#ifndef __ASSEMBLY__ + +#if defined(CONFIG_ARCH_IOP13XX) +#define IOP13XX_PMMR_V_START (IOP13XX_PMMR_VIRT_MEM_BASE) +#define IOP13XX_PMMR_V_END (IOP13XX_PMMR_VIRT_MEM_BASE + IOP13XX_PMMR_SIZE) +#define IOP13XX_PMMR_P_START (IOP13XX_PMMR_PHYS_MEM_BASE) +#define IOP13XX_PMMR_P_END (IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_SIZE) + +/* + * Virtual view <-> PCI DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + */ + +/* RAM has 1:1 mapping on the PCIe/x Busses */ +#define __virt_to_bus(x) (__virt_to_phys(x)) +#define __bus_to_virt(x) (__phys_to_virt(x)) + +#define virt_to_lbus(x) \ +(( ((void*)(x) >= (void*)IOP13XX_PMMR_V_START) && \ +((void*)(x) < (void*)IOP13XX_PMMR_V_END) ) ? \ +((x) - IOP13XX_PMMR_VIRT_MEM_BASE + IOP13XX_PMMR_PHYS_MEM_BASE) : \ +((x) - PAGE_OFFSET + PHYS_OFFSET)) + +#define lbus_to_virt(x) \ +(( ((x) >= IOP13XX_PMMR_P_START) && ((x) < IOP13XX_PMMR_P_END) ) ? \ +((x) - IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_VIRT_MEM_BASE ) : \ +((x) - PHYS_OFFSET + PAGE_OFFSET)) + +/* Device is an lbus device if it is on the platform bus of the IOP13XX */ +#define is_lbus_device(dev) (dev &&\ + (strncmp(dev->bus->name, "platform", 8) == 0)) + +#define __arch_page_to_dma(dev, page) \ +({is_lbus_device(dev) ? (dma_addr_t)virt_to_lbus(page_address(page)) : \ +(dma_addr_t)__virt_to_bus(page_address(page));}) + +#define __arch_dma_to_virt(dev, addr) \ +({is_lbus_device(dev) ? lbus_to_virt(addr) : __bus_to_virt(addr);}) + +#define __arch_virt_to_dma(dev, addr) \ +({is_lbus_device(dev) ? virt_to_lbus(addr) : __virt_to_bus(addr);}) + +#endif /* CONFIG_ARCH_IOP13XX */ +#endif /* !ASSEMBLY */ + +#define PFN_TO_NID(addr) (0) + +#endif diff --git a/include/asm-arm/arch-iop13xx/pci.h b/include/asm-arm/arch-iop13xx/pci.h new file mode 100644 index 0000000..4041f30 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/pci.h @@ -0,0 +1,57 @@ +#ifndef _IOP13XX_PCI_H_ +#define _IOP13XX_PCI_H_ +#include <asm/arch/irqs.h> +#include <asm/io.h> + +struct pci_sys_data; +struct hw_pci; +int iop13xx_pci_setup(int nr, struct pci_sys_data *sys); +struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *); +void iop13xx_atu_select(struct hw_pci *plat_pci); +void iop13xx_pci_init(void); +void iop13xx_map_pci_memory(void); + +#define IOP_PCI_STATUS_ERROR (PCI_STATUS_PARITY | \ + PCI_STATUS_SIG_TARGET_ABORT | \ + PCI_STATUS_REC_TARGET_ABORT | \ + PCI_STATUS_REC_TARGET_ABORT | \ + PCI_STATUS_REC_MASTER_ABORT | \ + PCI_STATUS_SIG_SYSTEM_ERROR | \ + PCI_STATUS_DETECTED_PARITY) + +#define IOP13XX_ATUE_ATUISR_ERROR (IOP13XX_ATUE_STAT_HALT_ON_ERROR | \ + IOP13XX_ATUE_STAT_ROOT_SYS_ERR | \ + IOP13XX_ATUE_STAT_PCI_IFACE_ERR | \ + IOP13XX_ATUE_STAT_ERR_COR | \ + IOP13XX_ATUE_STAT_ERR_UNCOR | \ + IOP13XX_ATUE_STAT_CRS | \ + IOP13XX_ATUE_STAT_DET_PAR_ERR | \ + IOP13XX_ATUE_STAT_EXT_REC_MABORT | \ + IOP13XX_ATUE_STAT_SIG_TABORT | \ + IOP13XX_ATUE_STAT_EXT_REC_TABORT | \ + IOP13XX_ATUE_STAT_MASTER_DATA_PAR) + +#define IOP13XX_ATUX_ATUISR_ERROR (IOP13XX_ATUX_STAT_TX_SCEM | \ + IOP13XX_ATUX_STAT_REC_SCEM | \ + IOP13XX_ATUX_STAT_TX_SERR | \ + IOP13XX_ATUX_STAT_DET_PAR_ERR | \ + IOP13XX_ATUX_STAT_INT_REC_MABORT | \ + IOP13XX_ATUX_STAT_REC_SERR | \ + IOP13XX_ATUX_STAT_EXT_REC_MABORT | \ + IOP13XX_ATUX_STAT_EXT_REC_TABORT | \ + IOP13XX_ATUX_STAT_EXT_SIG_TABORT | \ + IOP13XX_ATUX_STAT_MASTER_DATA_PAR) + +/* PCI interrupts + */ +#define ATUX_INTA IRQ_IOP13XX_XINT0 +#define ATUX_INTB IRQ_IOP13XX_XINT1 +#define ATUX_INTC IRQ_IOP13XX_XINT2 +#define ATUX_INTD IRQ_IOP13XX_XINT3 + +#define ATUE_INTA IRQ_IOP13XX_ATUE_IMA +#define ATUE_INTB IRQ_IOP13XX_ATUE_IMB +#define ATUE_INTC IRQ_IOP13XX_ATUE_IMC +#define ATUE_INTD IRQ_IOP13XX_ATUE_IMD + +#endif /* _IOP13XX_PCI_H_ */ diff --git a/include/asm-arm/arch-iop13xx/system.h b/include/asm-arm/arch-iop13xx/system.h new file mode 100644 index 0000000..ee3a625 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/system.h @@ -0,0 +1,59 @@ +/* + * linux/include/asm-arm/arch-iop13xx/system.h + * + * Copyright (C) 2004 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <asm/arch/iop13xx.h> +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +/* WDTCR CP6 R7 Page 9 */ +static inline u32 read_wdtcr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c7, c9, 0":"=r" (val)); + return val; +} +static inline void write_wdtcr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c7, c9, 0"::"r" (val)); +} + +/* WDTSR CP6 R8 Page 9 */ +static inline u32 read_wdtsr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c8, c9, 0":"=r" (val)); + return val; +} +static inline void write_wdtsr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c8, c9, 0"::"r" (val)); +} + +#define IOP13XX_WDTCR_EN_ARM 0x1e1e1e1e +#define IOP13XX_WDTCR_EN 0xe1e1e1e1 +#define IOP13XX_WDTCR_DIS_ARM 0x1f1f1f1f +#define IOP13XX_WDTCR_DIS 0xf1f1f1f1 +#define IOP13XX_WDTSR_WRITE_EN (1 << 31) +#define IOP13XX_WDTCR_IB_RESET (1 << 0) +static inline void arch_reset(char mode) +{ + /* + * Reset the internal bus (warning both cores are reset) + */ + u32 cp_flags = iop13xx_cp6_save(); + write_wdtcr(IOP13XX_WDTCR_EN_ARM); + write_wdtcr(IOP13XX_WDTCR_EN); + write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET); + write_wdtcr(0x1000); + iop13xx_cp6_restore(cp_flags); + + for(;;); +} diff --git a/include/asm-arm/arch-iop13xx/timex.h b/include/asm-arm/arch-iop13xx/timex.h new file mode 100644 index 0000000..f0c51dd --- /dev/null +++ b/include/asm-arm/arch-iop13xx/timex.h @@ -0,0 +1,3 @@ +#include <asm/hardware.h> + +#define CLOCK_TICK_RATE (100 * HZ) diff --git a/include/asm-arm/arch-iop13xx/uncompress.h b/include/asm-arm/arch-iop13xx/uncompress.h new file mode 100644 index 0000000..b9525d5 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/uncompress.h @@ -0,0 +1,24 @@ +#include <asm/types.h> +#include <linux/serial_reg.h> +#include <asm/hardware.h> +#include <asm/processor.h> + +#define UART_BASE ((volatile u32 *)IOP13XX_UART1_PHYS) +#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) + +static inline void putc(char c) +{ + while ((UART_BASE[UART_LSR] & TX_DONE) != TX_DONE) + cpu_relax(); + UART_BASE[UART_TX] = c; +} + +static inline void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/include/asm-arm/arch-iop13xx/vmalloc.h b/include/asm-arm/arch-iop13xx/vmalloc.h new file mode 100644 index 0000000..c534567 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/vmalloc.h @@ -0,0 +1,4 @@ +#ifndef _VMALLOC_H_ +#define _VMALLOC_H_ +#define VMALLOC_END 0xfa000000UL +#endif |
