diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2022-09-29 15:31:18 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2023-01-10 23:10:27 +0100 |
| commit | b91a69d162aae0f097432c8166956eccf71783d3 (patch) | |
| tree | 7341a50f97333c384d590ea6b7bfd7a14e766570 /arch/arm/mach-iop32x | |
| parent | fd68572b57f2be17e18905d28e5b7165741ad48a (diff) | |
ARM: iop32x: remove the platform
This was marked as unused in 5.19 and can now be removed
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Martin Michlmayr <tbm@cyrius.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-iop32x')
24 files changed, 0 insertions, 2955 deletions
diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig deleted file mode 100644 index 761fbb04faa1..000000000000 --- a/arch/arm/mach-iop32x/Kconfig +++ /dev/null @@ -1,54 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -menuconfig ARCH_IOP32X - bool "IOP32x-based platforms" - depends on ARCH_MULTI_V5 - depends on CPU_LITTLE_ENDIAN - depends on ATAGS && UNUSED_BOARD_FILES - select CPU_XSCALE - select GPIO_IOP - select GPIOLIB - select FORCE_PCI - help - Support for Intel's 80219 and IOP32X (XScale) family of - processors. - -if ARCH_IOP32X - -config MACH_EP80219 - bool - -config MACH_GLANTANK - bool "Enable support for the IO-Data GLAN Tank" - help - Say Y here if you want to run your kernel on the GLAN Tank - NAS appliance or machines from IO-Data's HDL-Gxxx, HDL-GWxxx - and HDL-GZxxx series. - -config ARCH_IQ80321 - bool "Enable support for IQ80321" - help - Say Y here if you want to run your kernel on the Intel IQ80321 - evaluation kit for the IOP321 processor. - -config ARCH_IQ31244 - bool "Enable support for EP80219/IQ31244" - select MACH_EP80219 - help - Say Y here if you want to run your kernel on the Intel EP80219 - evaluation kit for the Intel 80219 processor (a IOP321 variant) - or the IQ31244 evaluation kit for the IOP321 processor. - -config MACH_N2100 - bool "Enable support for the Thecus n2100" - help - Say Y here if you want to run your kernel on the Thecus n2100 - NAS appliance. - -config MACH_EM7210 - bool "Enable support for the Lanner EM7210" - help - Say Y here if you want to run your kernel on the Lanner EM7210 - board. Say also Y here if you have a SS4000e Baxter Creek NAS - appliance." - -endif diff --git a/arch/arm/mach-iop32x/Makefile b/arch/arm/mach-iop32x/Makefile deleted file mode 100644 index c8018ef5c6a9..000000000000 --- a/arch/arm/mach-iop32x/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for the linux kernel. -# - -obj-$(CONFIG_ARCH_IOP32X) += irq.o -obj-$(CONFIG_ARCH_IOP32X) += i2c.o -obj-$(CONFIG_ARCH_IOP32X) += pci.o -obj-$(CONFIG_ARCH_IOP32X) += setup.o -obj-$(CONFIG_ARCH_IOP32X) += time.o -obj-$(CONFIG_ARCH_IOP32X) += cp6.o -obj-$(CONFIG_ARCH_IOP32X) += adma.o -obj-$(CONFIG_ARCH_IOP32X) += pmu.o -obj-$(CONFIG_ARCH_IOP32X) += restart.o - -obj-$(CONFIG_MACH_GLANTANK) += glantank.o -obj-$(CONFIG_ARCH_IQ80321) += iq80321.o -obj-$(CONFIG_ARCH_IQ31244) += iq31244.o -obj-$(CONFIG_MACH_N2100) += n2100.o -obj-$(CONFIG_MACH_EM7210) += em7210.o diff --git a/arch/arm/mach-iop32x/adma.c b/arch/arm/mach-iop32x/adma.c deleted file mode 100644 index 764bcbff98df..000000000000 --- a/arch/arm/mach-iop32x/adma.c +++ /dev/null @@ -1,163 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * platform device definitions for the iop3xx dma/xor engines - * Copyright © 2006, Intel Corporation. - */ -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/platform_data/dma-iop32x.h> - -#include "iop3xx.h" -#include "irqs.h" - -#define IRQ_DMA0_EOT IRQ_IOP32X_DMA0_EOT -#define IRQ_DMA0_EOC IRQ_IOP32X_DMA0_EOC -#define IRQ_DMA0_ERR IRQ_IOP32X_DMA0_ERR - -#define IRQ_DMA1_EOT IRQ_IOP32X_DMA1_EOT -#define IRQ_DMA1_EOC IRQ_IOP32X_DMA1_EOC -#define IRQ_DMA1_ERR IRQ_IOP32X_DMA1_ERR - -#define IRQ_AA_EOT IRQ_IOP32X_AA_EOT -#define IRQ_AA_EOC IRQ_IOP32X_AA_EOC -#define IRQ_AA_ERR IRQ_IOP32X_AA_ERR - -/* AAU and DMA Channels */ -static struct resource iop3xx_dma_0_resources[] = { - [0] = { - .start = IOP3XX_DMA_PHYS_BASE(0), - .end = IOP3XX_DMA_UPPER_PA(0), - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DMA0_EOT, - .end = IRQ_DMA0_EOT, - .flags = IORESOURCE_IRQ - }, - [2] = { - .start = IRQ_DMA0_EOC, - .end = IRQ_DMA0_EOC, - .flags = IORESOURCE_IRQ - }, - [3] = { - .start = IRQ_DMA0_ERR, - .end = IRQ_DMA0_ERR, - .flags = IORESOURCE_IRQ - } -}; - -static struct resource iop3xx_dma_1_resources[] = { - [0] = { - .start = IOP3XX_DMA_PHYS_BASE(1), - .end = IOP3XX_DMA_UPPER_PA(1), - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DMA1_EOT, - .end = IRQ_DMA1_EOT, - .flags = IORESOURCE_IRQ - }, - [2] = { - .start = IRQ_DMA1_EOC, - .end = IRQ_DMA1_EOC, - .flags = IORESOURCE_IRQ - }, - [3] = { - .start = IRQ_DMA1_ERR, - .end = IRQ_DMA1_ERR, - .flags = IORESOURCE_IRQ - } -}; - - -static struct resource iop3xx_aau_resources[] = { - [0] = { - .start = IOP3XX_AAU_PHYS_BASE, - .end = IOP3XX_AAU_UPPER_PA, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_AA_EOT, - .end = IRQ_AA_EOT, - .flags = IORESOURCE_IRQ - }, - [2] = { - .start = IRQ_AA_EOC, - .end = IRQ_AA_EOC, - .flags = IORESOURCE_IRQ - }, - [3] = { - .start = IRQ_AA_ERR, - .end = IRQ_AA_ERR, - .flags = IORESOURCE_IRQ - } -}; - -static u64 iop3xx_adma_dmamask = DMA_BIT_MASK(32); - -static struct iop_adma_platform_data iop3xx_dma_0_data = { - .hw_id = DMA0_ID, - .pool_size = PAGE_SIZE, -}; - -static struct iop_adma_platform_data iop3xx_dma_1_data = { - .hw_id = DMA1_ID, - .pool_size = PAGE_SIZE, -}; - -static struct iop_adma_platform_data iop3xx_aau_data = { - .hw_id = AAU_ID, - .pool_size = 3 * PAGE_SIZE, -}; - -struct platform_device iop3xx_dma_0_channel = { - .name = "iop-adma", - .id = 0, - .num_resources = 4, - .resource = iop3xx_dma_0_resources, - .dev = { - .dma_mask = &iop3xx_adma_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = (void *) &iop3xx_dma_0_data, - }, -}; - -struct platform_device iop3xx_dma_1_channel = { - .name = "iop-adma", - .id = 1, - .num_resources = 4, - .resource = iop3xx_dma_1_resources, - .dev = { - .dma_mask = &iop3xx_adma_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = (void *) &iop3xx_dma_1_data, - }, -}; - -struct platform_device iop3xx_aau_channel = { - .name = "iop-adma", - .id = 2, - .num_resources = 4, - .resource = iop3xx_aau_resources, - .dev = { - .dma_mask = &iop3xx_adma_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = (void *) &iop3xx_aau_data, - }, -}; - -static int __init iop3xx_adma_cap_init(void) -{ - dma_cap_set(DMA_MEMCPY, iop3xx_dma_0_data.cap_mask); - dma_cap_set(DMA_INTERRUPT, iop3xx_dma_0_data.cap_mask); - - dma_cap_set(DMA_MEMCPY, iop3xx_dma_1_data.cap_mask); - dma_cap_set(DMA_INTERRUPT, iop3xx_dma_1_data.cap_mask); - - dma_cap_set(DMA_XOR, iop3xx_aau_data.cap_mask); - dma_cap_set(DMA_INTERRUPT, iop3xx_aau_data.cap_mask); - - return 0; -} - -arch_initcall(iop3xx_adma_cap_init); diff --git a/arch/arm/mach-iop32x/cp6.c b/arch/arm/mach-iop32x/cp6.c deleted file mode 100644 index 7135a0ac9949..000000000000 --- a/arch/arm/mach-iop32x/cp6.c +++ /dev/null @@ -1,48 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * IOP Coprocessor-6 access handler - * Copyright (c) 2006, Intel Corporation. - */ -#include <linux/init.h> -#include <asm/traps.h> -#include <asm/ptrace.h> - -#include "iop3xx.h" - -void iop_enable_cp6(void) -{ - u32 temp; - - /* enable cp6 access */ - asm volatile ( - "mrc p15, 0, %0, c15, c1, 0\n\t" - "orr %0, %0, #(1 << 6)\n\t" - "mcr p15, 0, %0, c15, c1, 0\n\t" - "mrc p15, 0, %0, c15, c1, 0\n\t" - "mov %0, %0\n\t" - "sub pc, pc, #4 @ cp_wait\n\t" - : "=r"(temp)); -} - -static int cp6_trap(struct pt_regs *regs, unsigned int instr) -{ - iop_enable_cp6(); - - return 0; -} - -/* permit kernel space cp6 access - * deny user space cp6 access - */ -static struct undef_hook cp6_hook = { - .instr_mask = 0x0f000ff0, - .instr_val = 0x0e000610, - .cpsr_mask = MODE_MASK, - .cpsr_val = SVC_MODE, - .fn = cp6_trap, -}; - -void __init iop_init_cp6_handler(void) -{ - register_undef_hook(&cp6_hook); -} diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c deleted file mode 100644 index ac130aba5a6e..000000000000 --- a/arch/arm/mach-iop32x/em7210.c +++ /dev/null @@ -1,232 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-iop32x/em7210.c - * - * Board support code for the Lanner EM7210 platforms. - * - * Based on arch/arm/mach-iop32x/iq31244.c file. - * - * Copyright (C) 2007 Arnaud Patard <arnaud.patard@rtp-net.org> - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/pm.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/pci.h> -#include <asm/mach/time.h> -#include <asm/mach-types.h> - -#include "hardware.h" -#include "gpio-iop32x.h" -#include "irqs.h" - -static void __init em7210_timer_init(void) -{ - /* http://www.kwaak.net/fotos/fotos-nas/slide_24.html */ - /* 33.333 MHz crystal. */ - iop_init_time(200000000); -} - -/* - * EM7210 RTC - */ -static struct i2c_board_info __initdata em7210_i2c_devices[] = { - { - I2C_BOARD_INFO("rs5c372a", 0x32), - }, -}; - -/* - * EM7210 I/O - */ -static struct map_desc em7210_io_desc[] __initdata = { - { /* on-board devices */ - .virtual = IQ31244_UART, - .pfn = __phys_to_pfn(IQ31244_UART), - .length = 0x00100000, - .type = MT_DEVICE, - }, -}; - -void __init em7210_map_io(void) -{ - iop3xx_map_io(); - iotable_init(em7210_io_desc, ARRAY_SIZE(em7210_io_desc)); -} - - -/* - * EM7210 PCI - */ -#define INTA IRQ_IOP32X_XINT0 -#define INTB IRQ_IOP32X_XINT1 -#define INTC IRQ_IOP32X_XINT2 -#define INTD IRQ_IOP32X_XINT3 - -static int __init -em7210_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static int pci_irq_table[][4] = { - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - {INTB, INTB, INTB, INTB}, /* console / uart */ - {INTA, INTA, INTA, INTA}, /* 1st 82541 */ - {INTD, INTD, INTD, INTD}, /* 2nd 82541 */ - {INTC, INTC, INTC, INTC}, /* GD31244 */ - {INTD, INTA, INTA, INTA}, /* mini-PCI */ - {INTD, INTC, INTA, INTA}, /* NEC USB */ - }; - - if (pin < 1 || pin > 4) - return -1; - - return pci_irq_table[slot % 6][pin - 1]; -} - -static struct hw_pci em7210_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit, - .map_irq = em7210_pci_map_irq, -}; - -static int __init em7210_pci_init(void) -{ - if (machine_is_em7210()) - pci_common_init(&em7210_pci); - - return 0; -} - -subsys_initcall(em7210_pci_init); - - -/* - * EM7210 Flash - */ -static struct physmap_flash_data em7210_flash_data = { - .width = 2, -}; - -static struct resource em7210_flash_resource = { - .start = 0xf0000000, - .end = 0xf1ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device em7210_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &em7210_flash_data, - }, - .num_resources = 1, - .resource = &em7210_flash_resource, -}; - - -/* - * EM7210 UART - * The physical address of the serial port is 0xfe800000, - * so it can be used for physical and virtual address. - */ -static struct plat_serial8250_port em7210_serial_port[] = { - { - .mapbase = IQ31244_UART, - .membase = (char *)IQ31244_UART, - .irq = IRQ_IOP32X_XINT1, - .flags = UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 0, - .uartclk = 1843200, - }, - { }, -}; - -static struct resource em7210_uart_resource = { - .start = IQ31244_UART, - .end = IQ31244_UART + 7, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device em7210_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = em7210_serial_port, - }, - .num_resources = 1, - .resource = &em7210_uart_resource, -}; - -#define EM7210_HARDWARE_POWER 0 - -void em7210_power_off(void) -{ - int ret; - - ret = gpio_direction_output(EM7210_HARDWARE_POWER, 1); - if (ret) - pr_crit("could not drive power off GPIO high\n"); -} - -static int __init em7210_request_gpios(void) -{ - int ret; - - if (!machine_is_em7210()) - return 0; - - ret = gpio_request(EM7210_HARDWARE_POWER, "power"); - if (ret) { - pr_err("could not request power off GPIO\n"); - return 0; - } - - pm_power_off = em7210_power_off; - - return 0; -} -device_initcall(em7210_request_gpios); - -static void __init em7210_init_machine(void) -{ - register_iop32x_gpio(); - platform_device_register(&em7210_serial_device); - gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup); - gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup); - platform_device_register(&iop3xx_i2c0_device); - platform_device_register(&iop3xx_i2c1_device); - platform_device_register(&em7210_flash_device); - platform_device_register(&iop3xx_dma_0_channel); - platform_device_register(&iop3xx_dma_1_channel); - - i2c_register_board_info(0, em7210_i2c_devices, - ARRAY_SIZE(em7210_i2c_devices)); -} - -MACHINE_START(EM7210, "Lanner EM7210") - .atag_offset = 0x100, - .nr_irqs = IOP32X_NR_IRQS, - .map_io = em7210_map_io, - .init_irq = iop32x_init_irq, - .init_time = em7210_timer_init, - .init_machine = em7210_init_machine, - .restart = iop3xx_restart, -MACHINE_END diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c deleted file mode 100644 index cd6e7da2ea10..000000000000 --- a/arch/arm/mach-iop32x/glantank.c +++ /dev/null @@ -1,214 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/mach-iop32x/glantank.c - * - * Board support code for the GLAN Tank. - * - * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com> - * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/f75375s.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/pm.h> -#include <linux/string.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/mtd/physmap.h> -#include <linux/i2c.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/gpio/machine.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/pci.h> -#include <asm/mach/time.h> -#include <asm/mach-types.h> -#include <asm/page.h> - -#include "hardware.h" -#include "gpio-iop32x.h" -#include "irqs.h" - -/* - * GLAN Tank timer tick configuration. - */ -static void __init glantank_timer_init(void) -{ - /* 33.333 MHz crystal. */ - iop_init_time(200000000); -} - - -/* - * GLAN Tank I/O. - */ -static struct map_desc glantank_io_desc[] __initdata = { - { /* on-board devices */ - .virtual = GLANTANK_UART, - .pfn = __phys_to_pfn(GLANTANK_UART), - .length = 0x00100000, - .type = MT_DEVICE - }, -}; - -void __init glantank_map_io(void) -{ - iop3xx_map_io(); - iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc)); -} - - -/* - * GLAN Tank PCI. - */ -#define INTA IRQ_IOP32X_XINT0 -#define INTB IRQ_IOP32X_XINT1 -#define INTC IRQ_IOP32X_XINT2 -#define INTD IRQ_IOP32X_XINT3 - -static int __init -glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static int pci_irq_table[][4] = { - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - {INTD, INTD, INTD, INTD}, /* UART (8250) */ - {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */ - {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */ - {INTC, INTC, INTC, INTC}, /* USB (NEC) */ - }; - - BUG_ON(pin < 1 || pin > 4); - - return pci_irq_table[slot % 4][pin - 1]; -} - -static struct hw_pci glantank_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit, - .map_irq = glantank_pci_map_irq, -}; - -static int __init glantank_pci_init(void) -{ - if (machine_is_glantank()) - pci_common_init(&glantank_pci); - - return 0; -} - -subsys_initcall(glantank_pci_init); - - -/* - * GLAN Tank machine initialization. - */ -static struct physmap_flash_data glantank_flash_data = { - .width = 2, -}; - -static struct resource glantank_flash_resource = { - .start = 0xf0000000, - .end = 0xf007ffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device glantank_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &glantank_flash_data, - }, - .num_resources = 1, - .resource = &glantank_flash_resource, -}; - -static struct plat_serial8250_port glantank_serial_port[] = { - { - .mapbase = GLANTANK_UART, - .membase = (char *)GLANTANK_UART, - .irq = IRQ_IOP32X_XINT3, - .flags = UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 0, - .uartclk = 1843200, - }, - { }, -}; - -static struct resource glantank_uart_resource = { - .start = GLANTANK_UART, - .end = GLANTANK_UART + 7, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device glantank_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = glantank_serial_port, - }, - .num_resources = 1, - .resource = &glantank_uart_resource, -}; - -static struct f75375s_platform_data glantank_f75375s = { - .pwm = { 255, 255 }, - .pwm_enable = { 0, 0 }, -}; - -static struct i2c_board_info __initdata glantank_i2c_devices[] = { - { - I2C_BOARD_INFO("rs5c372a", 0x32), - }, - { - I2C_BOARD_INFO("f75375", 0x2e), - .platform_data = &glantank_f75375s, - }, -}; - -static void glantank_power_off(void) -{ - __raw_writeb(0x01, IOMEM(0xfe8d0004)); - - while (1) - ; -} - -static void __init glantank_init_machine(void) -{ - register_iop32x_gpio(); - gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup); - gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup); - platform_device_register(&iop3xx_i2c0_device); - platform_device_register(&iop3xx_i2c1_device); - platform_device_register(&glantank_flash_device); - platform_device_register(&glantank_serial_device); - platform_device_register(&iop3xx_dma_0_channel); - platform_device_register(&iop3xx_dma_1_channel); - - i2c_register_board_info(0, glantank_i2c_devices, - ARRAY_SIZE(glantank_i2c_devices)); - - pm_power_off = glantank_power_off; -} - -MACHINE_START(GLANTANK, "GLAN Tank") - /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .atag_offset = 0x100, - .nr_irqs = IOP32X_NR_IRQS, - .map_io = glantank_map_io, - .init_irq = iop32x_init_irq, - .init_time = glantank_timer_init, - .init_machine = glantank_init_machine, - .restart = iop3xx_restart, -MACHINE_END diff --git a/arch/arm/mach-iop32x/glantank.h b/arch/arm/mach-iop32x/glantank.h deleted file mode 100644 index f38e86b82c3d..000000000000 --- a/arch/arm/mach-iop32x/glantank.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * IO-Data GLAN Tank board registers - */ - -#ifndef __GLANTANK_H -#define __GLANTANK_H - -#define GLANTANK_UART 0xfe800000 /* UART */ - - -#endif diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h deleted file mode 100644 index 20af87e4c5e8..000000000000 --- a/arch/arm/mach-iop32x/gpio-iop32x.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -static struct resource iop32x_gpio_res[] = { - DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10), -}; - -static inline void register_iop32x_gpio(void) -{ - platform_device_register_simple("gpio-iop", 0, - iop32x_gpio_res, - ARRAY_SIZE(iop32x_gpio_res)); -} diff --git a/arch/arm/mach-iop32x/hardware.h b/arch/arm/mach-iop32x/hardware.h deleted file mode 100644 index 43ab4fb8f9b0..000000000000 --- a/arch/arm/mach-iop32x/hardware.h +++ /dev/null @@ -1,38 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __HARDWARE_H -#define __HARDWARE_H - -#include <asm/types.h> - -/* - * Note about PCI IO space mappings - * - * To make IO space accesses efficient, we store virtual addresses in - * the IO resources. - * - * The PCI IO space is located at virtual 0xfe000000 from physical - * 0x90000000. The PCI BARs must be programmed with physical addresses, - * but when we read them, we convert them to virtual addresses. See - * arch/arm/plat-iop/pci.c. - */ - -#ifndef __ASSEMBLY__ -void iop32x_init_irq(void); -#endif - - -/* - * Generic chipset bits - */ -#include "iop3xx.h" - -/* - * Board specific bits - */ -#include "glantank.h" -#include "iq80321.h" -#include "iq31244.h" -#include "n2100.h" - - -#endif diff --git a/arch/arm/mach-iop32x/i2c.c b/arch/arm/mach-iop32x/i2c.c deleted file mode 100644 index e422286af469..000000000000 --- a/arch/arm/mach-iop32x/i2c.c +++ /dev/null @@ -1,92 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/plat-iop/i2c.c - * - * Author: Nicolas Pitre <nico@cam.org> - * Copyright (C) 2001 MontaVista Software, Inc. - * Copyright (C) 2004 Intel Corporation. - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/fs.h> -#include <linux/platform_device.h> -#include <linux/serial.h> -#include <linux/tty.h> -#include <linux/serial_core.h> -#include <linux/io.h> -#include <linux/gpio/machine.h> -#include <asm/page.h> -#include <asm/mach/map.h> -#include <asm/setup.h> -#include <asm/memory.h> -#include <asm/mach/arch.h> - -#include "hardware.h" -#include "iop3xx.h" -#include "irqs.h" - -/* - * Each of the I2C busses have corresponding GPIO lines, and the driver - * need to access these directly to drive the bus low at times. - */ - -struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup = { - .dev_id = "IOP3xx-I2C.0", - .table = { - GPIO_LOOKUP("gpio-iop", 7, "scl", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("gpio-iop", 6, "sda", GPIO_ACTIVE_HIGH), - { } - }, -}; - -struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup = { - .dev_id = "IOP3xx-I2C.1", - .table = { - GPIO_LOOKUP("gpio-iop", 5, "scl", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("gpio-iop", 4, "sda", GPIO_ACTIVE_HIGH), - { } - }, -}; - -static struct resource iop3xx_i2c0_resources[] = { - [0] = { - .start = 0xfffff680, - .end = 0xfffff697, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_IOP32X_I2C_0, - .end = IRQ_IOP32X_I2C_0, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device iop3xx_i2c0_device = { - .name = "IOP3xx-I2C", - .id = 0, - .num_resources = 2, - .resource = iop3xx_i2c0_resources, -}; - - -static struct resource iop3xx_i2c1_resources[] = { - [0] = { - .start = 0xfffff6a0, - .end = 0xfffff6b7, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_IOP32X_I2C_1, - .end = IRQ_IOP32X_I2C_1, - .flags = IORESOURCE_IRQ, - } -}; - -struct platform_device iop3xx_i2c1_device = { - .name = "IOP3xx-I2C", - .id = 1, - .num_resources = 2, - .resource = iop3xx_i2c1_resources, -}; diff --git a/arch/arm/mach-iop32x/iop3xx.h b/arch/arm/mach-iop32x/iop3xx.h deleted file mode 100644 index a6ec7ebadb35..000000000000 --- a/arch/arm/mach-iop32x/iop3xx.h +++ /dev/null @@ -1,326 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Intel IOP32X and IOP33X register definitions - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - * Copyright (C) 2004 Intel Corp. - */ - -#ifndef __IOP3XX_H -#define __IOP3XX_H - -/* - * Peripherals that are shared between the iop32x and iop33x but - * located at different addresses. - */ -#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg)) - -#include "iop3xx.h" - -/* ATU Parameters - * set up a 1:1 bus to physical ram relationship - * w/ physical ram on top of pci in the memory map - */ -#define IOP32X_MAX_RAM_SIZE 0x40000000UL -#define IOP3XX_MAX_RAM_SIZE IOP32X_MAX_RAM_SIZE -#define IOP3XX_PCI_LOWER_MEM_BA 0x80000000 - -/* - * IOP3XX GPIO handling - */ -#define IOP3XX_GPIO_LINE(x) (x) - -#ifndef __ASSEMBLY__ -extern int init_atu; -extern int iop3xx_get_init_atu(void); -#endif - - -/* - * IOP3XX processor registers - */ -#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000 -#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfedfe000 -#define IOP3XX_PERIPHERAL_SIZE 0x00002000 -#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\ - IOP3XX_PERIPHERAL_SIZE - 1) -#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\ - IOP3XX_PERIPHERAL_SIZE - 1) -#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\ - (IOP3XX_PERIPHERAL_PHYS_BASE\ - - IOP3XX_PERIPHERAL_VIRT_BASE)) -#define IOP3XX_REG_ADDR(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + (reg)) - -/* Address Translation Unit */ -#define IOP3XX_ATUVID (volatile u16 *)IOP3XX_REG_ADDR(0x0100) -#define IOP3XX_ATUDID (volatile u16 *)IOP3XX_REG_ADDR(0x0102) -#define IOP3XX_ATUCMD (volatile u16 *)IOP3XX_REG_ADDR(0x0104) -#define IOP3XX_ATUSR (volatile u16 *)IOP3XX_REG_ADDR(0x0106) -#define IOP3XX_ATURID (volatile u8 *)IOP3XX_REG_ADDR(0x0108) -#define IOP3XX_ATUCCR (volatile u32 *)IOP3XX_REG_ADDR(0x0109) -#define IOP3XX_ATUCLSR (volatile u8 *)IOP3XX_REG_ADDR(0x010c) -#define IOP3XX_ATULT (volatile u8 *)IOP3XX_REG_ADDR(0x010d) -#define IOP3XX_ATUHTR (volatile u8 *)IOP3XX_REG_ADDR(0x010e) -#define IOP3XX_ATUBIST (volatile u8 *)IOP3XX_REG_ADDR(0x010f) -#define IOP3XX_IABAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0110) -#define IOP3XX_IAUBAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0114) -#define IOP3XX_IABAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0118) -#define IOP3XX_IAUBAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x011c) -#define IOP3XX_IABAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0120) -#define IOP3XX_IAUBAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0124) -#define IOP3XX_ASVIR (volatile u16 *)IOP3XX_REG_ADDR(0x012c) -#define IOP3XX_ASIR (volatile u16 *)IOP3XX_REG_ADDR(0x012e) -#define IOP3XX_ERBAR (volatile u32 *)IOP3XX_REG_ADDR(0x0130) -#define IOP3XX_ATUILR (volatile u8 *)IOP3XX_REG_ADDR(0x013c) -#define IOP3XX_ATUIPR (volatile u8 *)IOP3XX_REG_ADDR(0x013d) -#define IOP3XX_ATUMGNT (volatile u8 *)IOP3XX_REG_ADDR(0x013e) -#define IOP3XX_ATUMLAT (volatile u8 *)IOP3XX_REG_ADDR(0x013f) -#define IOP3XX_IALR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0140) -#define IOP3XX_IATVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0144) -#define IOP3XX_ERLR (volatile u32 *)IOP3XX_REG_ADDR(0x0148) -#define IOP3XX_ERTVR (volatile u32 *)IOP3XX_REG_ADDR(0x014c) -#define IOP3XX_IALR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0150) -#define IOP3XX_IALR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0154) -#define IOP3XX_IATVR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0158) -#define IOP3XX_OIOWTVR (volatile u32 *)IOP3XX_REG_ADDR(0x015c) -#define IOP3XX_OMWTVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0160) -#define IOP3XX_OUMWTVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0164) -#define IOP3XX_OMWTVR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0168) -#define IOP3XX_OUMWTVR1 (volatile u32 *)IOP3XX_REG_ADDR(0x016c) -#define IOP3XX_OUDWTVR (volatile u32 *)IOP3XX_REG_ADDR(0x0178) -#define IOP3XX_ATUCR (volatile u32 *)IOP3XX_REG_ADDR(0x0180) -#define IOP3XX_PCSR (volatile u32 *)IOP3XX_REG_ADDR(0x0184) -#define IOP3XX_ATUISR (volatile u32 *)IOP3XX_REG_ADDR(0x0188) -#define IOP3XX_ATUIMR (volatile u32 *)IOP3XX_REG_ADDR(0x018c) -#define IOP3XX_IABAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0190) -#define IOP3XX_IAUBAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0194) -#define IOP3XX_IALR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0198) -#define IOP3XX_IATVR3 (volatile u32 *)IOP3XX_REG_ADDR(0x019c) -#define IOP3XX_OCCAR (volatile u32 *)IOP3XX_REG_ADDR(0x01a4) -#define IOP3XX_OCCDR (volatile u32 *)IOP3XX_REG_ADDR(0x01ac) -#define IOP3XX_PDSCR (volatile u32 *)IOP3XX_REG_ADDR(0x01bc) -#define IOP3XX_PMCAPID (volatile u8 *)IOP3XX_REG_ADDR(0x01c0) -#define IOP3XX_PMNEXT (volatile u8 *)IOP3XX_REG_ADDR(0x01c1) -#define IOP3XX_APMCR (volatile u16 *)IOP3XX_REG_ADDR(0x01c2) -#define IOP3XX_APMCSR (volatile u16 *)IOP3XX_REG_ADDR(0x01c4) -#define IOP3XX_PCIXCAPID (volatile u8 *)IOP3XX_REG_ADDR(0x01e0) -#define IOP3XX_PCIXNEXT (volatile u8 *)IOP3XX_REG_ADDR(0x01e1) -#define IOP3XX_PCIXCMD (volatile u16 *)IOP3XX_REG_ADDR(0x01e2) -#define IOP3XX_PCIXSR (volatile u32 *)IOP3XX_REG_ADDR(0x01e4) -#define IOP3XX_PCIIRSR (volatile u32 *)IOP3XX_REG_ADDR(0x01ec) -#define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15) -#define IOP3XX_PCSR_IN_Q_BUSY (1 << 14) -#define IOP3XX_ATUCR_OUT_EN (1 << 1) - -#define IOP3XX_INIT_ATU_DEFAULT 0 -#define IOP3XX_INIT_ATU_DISABLE -1 -#define IOP3XX_INIT_ATU_ENABLE 1 - -/* Messaging Unit */ -#define IOP3XX_IMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0310) -#define IOP3XX_IMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0314) -#define IOP3XX_OMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0318) -#define IOP3XX_OMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x031c) -#define IOP3XX_IDR (volatile u32 *)IOP3XX_REG_ADDR(0x0320) -#define IOP3XX_IISR (volatile u32 *)IOP3XX_REG_ADDR(0x0324) -#define IOP3XX_IIMR (volatile u32 *)IOP3XX_REG_ADDR(0x0328) -#define IOP3XX_ODR (volatile u32 *)IOP3XX_REG_ADDR(0x032c) -#define IOP3XX_OISR (volatile u32 *)IOP3XX_REG_ADDR(0x0330) -#define IOP3XX_OIMR (volatile u32 *)IOP3XX_REG_ADDR(0x0334) -#define IOP3XX_MUCR (volatile u32 *)IOP3XX_REG_ADDR(0x0350) -#define IOP3XX_QBAR (volatile u32 *)IOP3XX_REG_ADDR(0x0354) -#define IOP3XX_IFHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0360) -#define IOP3XX_IFTPR (volatile u32 *)IOP3XX_REG_ADDR(0x0364) -#define IOP3XX_IPHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0368) -#define IOP3XX_IPTPR (volatile u32 *)IOP3XX_REG_ADDR(0x036c) -#define IOP3XX_OFHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0370) -#define IOP3XX_OFTPR (volatile u32 *)IOP3XX_REG_ADDR(0x0374) -#define IOP3XX_OPHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0378) -#define IOP3XX_OPTPR (volatile u32 *)IOP3XX_REG_ADDR(0x037c) -#define IOP3XX_IAR (volatile u32 *)IOP3XX_REG_ADDR(0x0380) - -/* DMA Controller */ -#define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \ - (0x400 + (chan << 6))) -#define IOP3XX_DMA_UPPER_PA(chan) (IOP3XX_DMA_PHYS_BASE(chan) + 0x27) - -/* Peripheral bus interface */ -#define IOP3XX_PBCR (volatile u32 *)IOP3XX_REG_ADDR(0x0680) -#define IOP3XX_PBISR (volatile u32 *)IOP3XX_REG_ADDR(0x0684) -#define IOP3XX_PBBAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0688) -#define IOP3XX_PBLR0 (volatile u32 *)IOP3XX_REG_ADDR(0x068c) -#define IOP3XX_PBBAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0690) -#define IOP3XX_PBLR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0694) -#define IOP3XX_PBBAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0698) -#define IOP3XX_PBLR2 (volatile u32 *)IOP3XX_REG_ADDR(0x069c) -#define IOP3XX_PBBAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x06a0) -#define IOP3XX_PBLR3 (volatile u32 *)IOP3XX_REG_ADDR(0x06a4) -#define IOP3XX_PBBAR4 (volatile u32 *)IOP3XX_REG_ADDR(0x06a8) -#define IOP3XX_PBLR4 (volatile u32 *)IOP3XX_REG_ADDR(0x06ac) -#define IOP3XX_PBBAR5 (volatile u32 *)IOP3XX_REG_ADDR(0x06b0) -#define IOP3XX_PBLR5 (volatile u32 *)IOP3XX_REG_ADDR(0x06b4) -#define IOP3XX_PMBR0 (volatile u32 *)IOP3XX_REG_ADDR(0x06c0) -#define IOP3XX_PMBR1 (volatile u32 *)IOP3XX_REG_ADDR(0x06e0) -#define IOP3XX_PMBR2 (volatile u32 *)IOP3XX_REG_ADDR(0x06e4) - -/* Peripheral performance monitoring unit */ -#define IOP3XX_GTMR (volatile u32 *)IOP3XX_REG_ADDR(0x0700) -#define IOP3XX_ESR (volatile u32 *)IOP3XX_REG_ADDR(0x0704) -#define IOP3XX_EMISR (volatile u32 *)IOP3XX_REG_ADDR(0x0708) -#define IOP3XX_GTSR (volatile u32 *)IOP3XX_REG_ADDR(0x0710) -/* PERCR0 DOESN'T EXIST - index from 1! */ -#define IOP3XX_PERCR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0710) - -/* Timers */ -#define IOP3XX_TU_TMR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0000) -#define IOP3XX_TU_TMR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0004) -#define IOP3XX_TU_TCR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0008) -#define IOP3XX_TU_TCR1 (volatile u32 *)IOP3XX_TIMER_REG(0x000c) -#define IOP3XX_TU_TRR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0010) -#define IOP3XX_TU_TRR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0014) -#define IOP3XX_TU_TISR (volatile u32 *)IOP3XX_TIMER_REG(0x0018) -#define IOP3XX_TU_WDTCR (volatile u32 *)IOP3XX_TIMER_REG(0x001c) -#define IOP_TMR_EN 0x02 -#define IOP_TMR_RELOAD 0x04 -#define IOP_TMR_PRIVILEGED 0x08 -#define IOP_TMR_RATIO_1_1 0x00 - -/* Watchdog timer definitions */ -#define IOP_WDTCR_EN_ARM 0x1e1e1e1e -#define IOP_WDTCR_EN 0xe1e1e1e1 -/* iop3xx does not support stopping the watchdog, so we just re-arm */ -#define IOP_WDTCR_DIS_ARM (IOP_WDTCR_EN_ARM) -#define IOP_WDTCR_DIS (IOP_WDTCR_EN) - -/* Application accelerator unit */ -#define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800) -#define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7) - -/* I2C bus interface unit */ -#define IOP3XX_ICR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1680) -#define IOP3XX_ISR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1684) -#define IOP3XX_ISAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1688) -#define IOP3XX_IDBR0 (volatile u32 *)IOP3XX_REG_ADDR(0x168c) -#define IOP3XX_IBMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1694) -#define IOP3XX_ICR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a0) -#define IOP3XX_ISR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a4) -#define IOP3XX_ISAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a8) -#define IOP3XX_IDBR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16ac) -#define IOP3XX_IBMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16b4) - - -/* - * IOP3XX I/O and Mem space regions for PCI autoconfiguration - */ -#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000 -#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x08000000 - -#define IOP3XX_PCI_LOWER_IO_PA 0x90000000 -#define IOP3XX_PCI_LOWER_IO_BA 0x00000000 - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <linux/reboot.h> - -void iop3xx_map_io(void); -void iop_enable_cp6(void); -void iop_init_cp6_handler(void); -void iop_init_time(unsigned long tickrate); -void iop3xx_restart(enum reboot_mode, const char *); - -static inline u32 read_tmr0(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val)); - return val; -} - -static inline void write_tmr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val)); -} - -static inline void write_tmr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val)); -} - -static inline u32 read_tcr0(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val)); - return val; -} - -static inline void write_tcr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val)); -} - -static inline u32 read_tcr1(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val)); - return val; -} - -static inline void write_tcr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val)); -} - -static inline void write_trr0(u32 val) -{ - asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val)); -} - -static inline void write_trr1(u32 val) -{ - asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val)); -} - -static inline void write_tisr(u32 val) -{ - asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val)); -} - -static inline u32 read_wdtcr(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val)); - return val; -} -static inline void write_wdtcr(u32 val) -{ - asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val)); -} - -extern unsigned long get_iop_tick_rate(void); - -/* only iop13xx has these registers, we define these to present a - * common register interface for the iop_wdt driver. - */ -#define IOP_RCSR_WDT (0) -static inline u32 read_rcsr(void) -{ - return 0; -} -static inline void write_wdtsr(u32 val) -{ - do { } while (0); -} - -extern struct platform_device iop3xx_dma_0_channel; -extern struct platform_device iop3xx_dma_1_channel; -extern struct platform_device iop3xx_aau_channel; -extern struct platform_device iop3xx_i2c0_device; -extern struct platform_device iop3xx_i2c1_device; -extern struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup; -extern struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup; - -#endif - - -#endif diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c deleted file mode 100644 index 8b4c29d17265..000000000000 --- a/arch/arm/mach-iop32x/iq31244.c +++ /dev/null @@ -1,333 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/mach-iop32x/iq31244.c - * - * Board support code for the Intel EP80219 and IQ31244 platforms. - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - * Copyright 2003 (c) MontaVista, Software, Inc. - * Copyright (C) 2004 Intel Corp. - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/pm.h> -#include <linux/string.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/gpio/machine.h> -#include <asm/cputype.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/pci.h> -#include <asm/mach/time.h> -#include <asm/mach-types.h> -#include <asm/page.h> - -#include "hardware.h" -#include "irqs.h" -#include "gpio-iop32x.h" - -/* - * Until March of 2007 iq31244 platforms and ep80219 platforms shared the - * same machine id, and the processor type was used to select board type. - * However this assumption breaks for an iq80219 board which is an iop219 - * processor on an iq31244 board. The force_ep80219 flag has been added - * for old boot loaders using the iq31244 machine id for an ep80219 platform. - */ -static int force_ep80219; - -static int is_80219(void) -{ - return !!((read_cpuid_id() & 0xffffffe0) == 0x69052e20); -} - -static int is_ep80219(void) -{ - if (machine_is_ep80219() || force_ep80219) - return 1; - else - return 0; -} - - -/* - * EP80219/IQ31244 timer tick configuration. - */ -static void __init iq31244_timer_init(void) -{ - if (is_ep80219()) { - /* 33.333 MHz crystal. */ - iop_init_time(200000000); - } else { - /* 33.000 MHz crystal. */ - iop_init_time(198000000); - } -} - - -/* - * IQ31244 I/O. - */ -static struct map_desc iq31244_io_desc[] __initdata = { - { /* on-board devices */ - .virtual = IQ31244_UART, - .pfn = __phys_to_pfn(IQ31244_UART), - .length = 0x00100000, - .type = MT_DEVICE, - }, -}; - -void __init iq31244_map_io(void) -{ - iop3xx_map_io(); - iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc)); -} - - -/* - * EP80219/IQ31244 PCI. - */ -static int __init -ep80219_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq; - - if (slot == 0) { - /* CFlash */ - irq = IRQ_IOP32X_XINT1; - } else if (slot == 1) { - /* 82551 Pro 100 */ - irq = IRQ_IOP32X_XINT0; - } else if (slot == 2) { - /* PCI-X Slot */ - irq = IRQ_IOP32X_XINT3; - } else if (slot == 3) { - /* SATA */ - irq = IRQ_IOP32X_XINT2; - } else { - printk(KERN_ERR "ep80219_pci_map_irq() called for unknown " - "device PCI:%d:%d:%d\n", dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); - irq = -1; - } - - return irq; -} - -static struct hw_pci ep80219_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit, - .map_irq = ep80219_pci_map_irq, -}; - -static int __init -iq31244_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq; - - if (slot == 0) { - /* CFlash */ - irq = IRQ_IOP32X_XINT1; - } else if (slot == 1) { - /* SATA */ - irq = IRQ_IOP32X_XINT2; - } else if (slot == 2) { - /* PCI-X Slot */ - irq = IRQ_IOP32X_XINT3; - } else if (slot == 3) { - /* 82546 GigE */ - irq = IRQ_IOP32X_XINT0; - } else { - printk(KERN_ERR "iq31244_pci_map_irq called for unknown " - "device PCI:%d:%d:%d\n", dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); - irq = -1; - } - - return irq; -} - -static struct hw_pci iq31244_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit, - .map_irq = iq31244_pci_map_irq, -}; - -static int __init iq31244_pci_init(void) -{ - if (is_ep80219()) - pci_common_init(&ep80219_pci); - else if (machine_is_iq31244()) { - if (is_80219()) { - printk("note: iq31244 board type has been selected\n"); - printk("note: to select ep80219 operation:\n"); - printk("\t1/ specify \"force_ep80219\" on the kernel" - " command line\n"); - printk("\t2/ update boot loader to pass" - " the ep80219 id: %d\n", MACH_TYPE_EP80219); - } - pci_common_init(&iq31244_pci); - } - - return 0; -} - -subsys_initcall(iq31244_pci_init); - - -/* - * IQ31244 machine initialisation. - */ -static struct physmap_flash_data iq31244_flash_data = { - .width = 2, -}; - -static struct resource iq31244_flash_resource = { - .start = 0xf0000000, - .end = 0xf07fffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device iq31244_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &iq31244_flash_data, - }, - .num_resources = 1, - .resource = &iq31244_flash_resource, -}; - -static struct plat_serial8250_port iq31244_serial_port[] = { - { - .mapbase = IQ31244_UART, - .membase = (char *)IQ31244_UART, - .irq = IRQ_IOP32X_XINT1, - .flags = UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 0, - .uartclk = 1843200, - }, - { }, -}; - -static struct resource iq31244_uart_resource = { - .start = IQ31244_UART, - .end = IQ31244_UART + 7, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device iq31244_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = iq31244_serial_port, - }, - .num_resources = 1, - .resource = &iq31244_uart_resource, -}; - -/* - * This function will send a SHUTDOWN_COMPLETE message to the PIC - * controller over I2C. We are not using the i2c subsystem since - * we are going to power off and it may be removed - */ -void ep80219_power_off(void) -{ - /* - * Send the Address byte w/ the start condition - */ - *IOP3XX_IDBR1 = 0x60; - *IOP3XX_ICR1 = 0xE9; - mdelay(1); - - /* - * Send the START_MSG byte w/ no start or stop condition - */ - *IOP3XX_IDBR1 = 0x0F; - *IOP3XX_ICR1 = 0xE8; - mdelay(1); - - /* - * Send the SHUTDOWN_COMPLETE Message ID byte w/ no start or - * stop condition - */ - *IOP3XX_IDBR1 = 0x03; - *IOP3XX_ICR1 = 0xE8; - mdelay(1); - - /* - * Send an ignored byte w/ stop condition - */ - *IOP3XX_IDBR1 = 0x00; - *IOP3XX_ICR1 = 0xEA; - - while (1) - ; -} - -static void __init iq31244_init_machine(void) -{ - register_iop32x_gpio(); - gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup); - gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup); - platform_device_register(&iop3xx_i2c0_device); - platform_device_register(&iop3xx_i2c1_device); - platform_device_register(&iq31244_flash_device); - platform_device_register(&iq31244_serial_device); - platform_device_register(&iop3xx_dma_0_channel); - platform_device_register(&iop3xx_dma_1_channel); - - if (is_ep80219()) - pm_power_off = ep80219_power_off; - - if (!is_80219()) - platform_device_register(&iop3xx_aau_channel); -} - -static int __init force_ep80219_setup(char *str) -{ - force_ep80219 = 1; - return 1; -} - -__setup("force_ep80219", force_ep80219_setup); - -MACHINE_START(IQ31244, "Intel IQ31244") - /* Maintainer: Intel Corp. */ - .atag_offset = 0x100, - .map_io = iq31244_map_io, - .init_irq = iop32x_init_irq, - .init_time = iq31244_timer_init, - .init_machine = iq31244_init_machine, - .restart = iop3xx_restart, -MACHINE_END - -/* There should have been an ep80219 machine identifier from the beginning. - * Boot roms older than March 2007 do not know the ep80219 machine id. Pass - * "force_ep80219" on the kernel command line, otherwise iq31244 operation - * will be selected. - */ -MACHINE_START(EP80219, "Intel EP80219") - /* Maintainer: Intel Corp. */ - .atag_offset = 0x100, - .nr_irqs = IOP32X_NR_IRQS, - .map_io = iq31244_map_io, - .init_irq = iop32x_init_irq, - .init_time = iq31244_timer_init, - .init_machine = iq31244_init_machine, - .restart = iop3xx_restart, -MACHINE_END diff --git a/arch/arm/mach-iop32x/iq31244.h b/arch/arm/mach-iop32x/iq31244.h deleted file mode 100644 index a7ac691e48d3..000000000000 --- a/arch/arm/mach-iop32x/iq31244.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Intel IQ31244 evaluation board registers - */ - -#ifndef __IQ31244_H -#define __IQ31244_H - -#define IQ31244_UART 0xfe800000 /* UART #1 */ -#define IQ31244_7SEG_1 0xfe840000 /* 7-Segment MSB */ -#define IQ31244_7SEG_0 0xfe850000 /* 7-Segment LSB (WO) */ -#define IQ31244_ROTARY_SW 0xfe8d0000 /* Rotary Switch */ -#define IQ31244_BATT_STAT 0xfe8f0000 /* Battery Status */ - - -#endif diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c deleted file mode 100644 index d9780c4660cb..000000000000 --- a/arch/arm/mach-iop32x/iq80321.c +++ /dev/null @@ -1,192 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/mach-iop32x/iq80321.c - * - * Board support code for the Intel IQ80321 platform. - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - * Copyright (C) 2004 Intel Corp. - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/string.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/gpio/machine.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/pci.h> -#include <asm/mach/time.h> -#include <asm/mach-types.h> -#include <asm/page.h> - -#include "hardware.h" -#include "irqs.h" -#include "gpio-iop32x.h" - -/* - * IQ80321 timer tick configuration. - */ -static void __init iq80321_timer_init(void) -{ - /* 33.333 MHz crystal. */ - iop_init_time(200000000); -} - - -/* - * IQ80321 I/O. - */ -static struct map_desc iq80321_io_desc[] __initdata = { - { /* on-board devices */ - .virtual = IQ80321_UART, - .pfn = __phys_to_pfn(IQ80321_UART), - .length = 0x00100000, - .type = MT_DEVICE, - }, -}; - -void __init iq80321_map_io(void) -{ - iop3xx_map_io(); - iotable_init(iq80321_io_desc, ARRAY_SIZE(iq80321_io_desc)); -} - - -/* - * IQ80321 PCI. - */ -static int __init -iq80321_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq; - - if ((slot == 2 || slot == 6) && pin == 1) { - /* PCI-X Slot INTA */ - irq = IRQ_IOP32X_XINT2; - } else if ((slot == 2 || slot == 6) && pin == 2) { - /* PCI-X Slot INTA */ - irq = IRQ_IOP32X_XINT3; - } else if ((slot == 2 || slot == 6) && pin == 3) { - /* PCI-X Slot INTA */ - irq = IRQ_IOP32X_XINT0; - } else if ((slot == 2 || slot == 6) && pin == 4) { - /* PCI-X Slot INTA */ - irq = IRQ_IOP32X_XINT1; - } else if (slot == 4 || slot == 8) { - /* Gig-E */ - irq = IRQ_IOP32X_XINT0; - } else { - printk(KERN_ERR "iq80321_pci_map_irq() called for unknown " - "device PCI:%d:%d:%d\n", dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); - irq = -1; - } - - return irq; -} - -static struct hw_pci iq80321_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit_cond, - .map_irq = iq80321_pci_map_irq, -}; - -static int __init iq80321_pci_init(void) -{ - if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && - machine_is_iq80321()) - pci_common_init(&iq80321_pci); - - return 0; -} - -subsys_initcall(iq80321_pci_init); - - -/* - * IQ80321 machine initialisation. - */ -static struct physmap_flash_data iq80321_flash_data = { - .width = 1, -}; - -static struct resource iq80321_flash_resource = { - .start = 0xf0000000, - .end = 0xf07fffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device iq80321_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &iq80321_flash_data, - }, - .num_resources = 1, - .resource = &iq80321_flash_resource, -}; - -static struct plat_serial8250_port iq80321_serial_port[] = { - { - .mapbase = IQ80321_UART, - .membase = (char *)IQ80321_UART, - .irq = IRQ_IOP32X_XINT1, - .flags = UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 0, - .uartclk = 1843200, - }, - { }, -}; - -static struct resource iq80321_uart_resource = { - .start = IQ80321_UART, - .end = IQ80321_UART + 7, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device iq80321_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = iq80321_serial_port, - }, - .num_resources = 1, - .resource = &iq80321_uart_resource, -}; - -static void __init iq80321_init_machine(void) -{ - register_iop32x_gpio(); - gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup); - gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup); - platform_device_register(&iop3xx_i2c0_device); - platform_device_register(&iop3xx_i2c1_device); - platform_device_register(&iq80321_flash_device); - platform_device_register(&iq80321_serial_device); - platform_device_register(&iop3xx_dma_0_channel); - platform_device_register(&iop3xx_dma_1_channel); - platform_device_register(&iop3xx_aau_channel); -} - -MACHINE_START(IQ80321, "Intel IQ80321") - /* Maintainer: Intel Corp. */ - .atag_offset = 0x100, - .nr_irqs = IOP32X_NR_IRQS, - .map_io = iq80321_map_io, - .init_irq = iop32x_init_irq, - .init_time = iq80321_timer_init, - .init_machine = iq80321_init_machine, - .restart = iop3xx_restart, -MACHINE_END diff --git a/arch/arm/mach-iop32x/iq80321.h b/arch/arm/mach-iop32x/iq80321.h deleted file mode 100644 index 3a5d10626ea6..000000000000 --- a/arch/arm/mach-iop32x/iq80321.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Intel IQ80321 evaluation board registers - */ - -#ifndef __IQ80321_H -#define __IQ80321_H - -#define IQ80321_UART 0xfe800000 /* UART #1 */ -#define IQ80321_7SEG_1 0xfe840000 /* 7-Segment MSB */ -#define IQ80321_7SEG_0 0xfe850000 /* 7-Segment LSB (WO) */ -#define IQ80321_ROTARY_SW 0xfe8d0000 /* Rotary Switch */ -#define IQ80321_BATT_STAT 0xfe8f0000 /* Battery Status */ - - -#endif diff --git a/arch/arm/mach-iop32x/irq.c b/arch/arm/mach-iop32x/irq.c deleted file mode 100644 index 6dca7e97d81f..000000000000 --- a/arch/arm/mach-iop32x/irq.c +++ /dev/null @@ -1,95 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-iop32x/irq.c - * - * Generic IOP32X IRQ handling functionality - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/list.h> -#include <asm/mach/irq.h> -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include "hardware.h" - -static u32 iop32x_mask; - -static void intctl_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val)); -} - -static void intstr_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c4, c0, 0" : : "r" (val)); -} - -static u32 iintsrc_read(void) -{ - int irq; - - asm volatile("mrc p6, 0, %0, c8, c0, 0" : "=r" (irq)); - - return irq; -} - -static void -iop32x_irq_mask(struct irq_data *d) -{ - iop32x_mask &= ~(1 << (d->irq - 1)); - intctl_write(iop32x_mask); -} - -static void -iop32x_irq_unmask(struct irq_data *d) -{ - iop32x_mask |= 1 << (d->irq - 1); - intctl_write(iop32x_mask); -} - -struct irq_chip ext_chip = { - .name = "IOP32x", - .irq_ack = iop32x_irq_mask, - .irq_mask = iop32x_irq_mask, - .irq_unmask = iop32x_irq_unmask, -}; - -static void iop_handle_irq(struct pt_regs *regs) -{ - u32 mask; - - iop_enable_cp6(); - - do { - mask = iintsrc_read(); - if (mask) - generic_handle_irq(fls(mask)); - } while (mask); -} - -void __init iop32x_init_irq(void) -{ - int i; - - iop_init_cp6_handler(); - set_handle_irq(iop_handle_irq); - - intctl_write(0); - intstr_write(0); - if (machine_is_glantank() || - machine_is_iq80321() || - machine_is_iq31244() || - machine_is_n2100() || - machine_is_em7210()) - *IOP3XX_PCIIRSR = 0x0f; - - for (i = 1; i < NR_IRQS; i++) { - irq_set_chip_and_handler(i, &ext_chip, handle_level_irq); - irq_clear_status_flags(i, IRQ_NOREQUEST | IRQ_NOPROBE); - } -} diff --git a/arch/arm/mach-iop32x/irqs.h b/arch/arm/mach-iop32x/irqs.h deleted file mode 100644 index e9fc88e09189..000000000000 --- a/arch/arm/mach-iop32x/irqs.h +++ /dev/null @@ -1,48 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright: (C) 2002 Rory Bolt - */ - -#ifndef __IOP32X_IRQS_H -#define __IOP32X_IRQS_H - -/* Interrupts in Linux start at 1, hardware starts at 0 */ - -#define IOP_IRQ(x) ((x) + 1) - -/* - * IOP80321 chipset interrupts - */ -#define IRQ_IOP32X_DMA0_EOT IOP_IRQ(0) -#define IRQ_IOP32X_DMA0_EOC IOP_IRQ(1) -#define IRQ_IOP32X_DMA1_EOT IOP_IRQ(2) -#define IRQ_IOP32X_DMA1_EOC IOP_IRQ(3) -#define IRQ_IOP32X_AA_EOT IOP_IRQ(6) -#define IRQ_IOP32X_AA_EOC IOP_IRQ(7) -#define IRQ_IOP32X_CORE_PMON IOP_IRQ(8) -#define IRQ_IOP32X_TIMER0 IOP_IRQ(9) -#define IRQ_IOP32X_TIMER1 IOP_IRQ(10) -#define IRQ_IOP32X_I2C_0 IOP_IRQ(11) -#define IRQ_IOP32X_I2C_1 IOP_IRQ(12) -#define IRQ_IOP32X_MESSAGING IOP_IRQ(13) -#define IRQ_IOP32X_ATU_BIST IOP_IRQ(14) -#define IRQ_IOP32X_PERFMON IOP_IRQ(15) -#define IRQ_IOP32X_CORE_PMU IOP_IRQ(16) -#define IRQ_IOP32X_BIU_ERR IOP_IRQ(17) -#define IRQ_IOP32X_ATU_ERR IOP_IRQ(18) -#define IRQ_IOP32X_MCU_ERR IOP_IRQ(19) -#define IRQ_IOP32X_DMA0_ERR IOP_IRQ(20) -#define IRQ_IOP32X_DMA1_ERR IOP_IRQ(21) -#define IRQ_IOP32X_AA_ERR IOP_IRQ(23) -#define IRQ_IOP32X_MSG_ERR IOP_IRQ(24) -#define IRQ_IOP32X_SSP IOP_IRQ(25) -#define IRQ_IOP32X_XINT0 IOP_IRQ(27) -#define IRQ_IOP32X_XINT1 IOP_IRQ(28) -#define IRQ_IOP32X_XINT2 IOP_IRQ(29) -#define IRQ_IOP32X_XINT3 IOP_IRQ(30) -#define IRQ_IOP32X_HPI IOP_IRQ(31) - -#define IOP32X_NR_IRQS (IRQ_IOP32X_HPI + 1) - -#endif diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c deleted file mode 100644 index bb1e2e11bf35..000000000000 --- a/arch/arm/mach-iop32x/n2100.c +++ /dev/null @@ -1,367 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/mach-iop32x/n2100.c - * - * Board support code for the Thecus N2100 platform. - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - * Copyright 2003 (c) MontaVista, Software, Inc. - * Copyright (C) 2004 Intel Corp. - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/f75375s.h> -#include <linux/leds-pca9532.h> -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/pm.h> -#include <linux/string.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/mtd/physmap.h> -#include <linux/i2c.h> -#include <linux/platform_device.h> -#include <linux/reboot.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/pci.h> -#include <asm/mach/time.h> -#include <asm/mach-types.h> -#include <asm/page.h> - -#include "hardware.h" -#include "irqs.h" -#include "gpio-iop32x.h" - -/* - * N2100 timer tick configuration. - */ -static void __init n2100_timer_init(void) -{ - /* 33.000 MHz crystal. */ - iop_init_time(198000000); -} - - -/* - * N2100 I/O. - */ -static struct map_desc n2100_io_desc[] __initdata = { - { /* on-board devices */ - .virtual = N2100_UART, - .pfn = __phys_to_pfn(N2100_UART), - .length = 0x00100000, - .type = MT_DEVICE - }, -}; - -void __init n2100_map_io(void) -{ - iop3xx_map_io(); - iotable_init(n2100_io_desc, ARRAY_SIZE(n2100_io_desc)); -} - - -/* - * N2100 PCI. - */ -static int n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq; - - if (PCI_SLOT(dev->devfn) == 1) { - /* RTL8110SB #1 */ - irq = IRQ_IOP32X_XINT0; - } else if (PCI_SLOT(dev->devfn) == 2) { - /* RTL8110SB #2 */ - irq = IRQ_IOP32X_XINT3; - } else if (PCI_SLOT(dev->devfn) == 3) { - /* Sil3512 */ - irq = IRQ_IOP32X_XINT2; - } else if (PCI_SLOT(dev->devfn) == 4 && pin == 1) { - /* VT6212 INTA */ - irq = IRQ_IOP32X_XINT1; - } else if (PCI_SLOT(dev->devfn) == 4 && pin == 2) { - /* VT6212 INTB */ - irq = IRQ_IOP32X_XINT0; - } else if (PCI_SLOT(dev->devfn) == 4 && pin == 3) { - /* VT6212 INTC */ - irq = IRQ_IOP32X_XINT2; - } else if (PCI_SLOT(dev->devfn) == 5) { - /* Mini-PCI slot */ - irq = IRQ_IOP32X_XINT3; - } else { - printk(KERN_ERR "n2100_pci_map_irq() called for unknown " - "device PCI:%d:%d:%d\n", dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); - irq = -1; - } - - return irq; -} - -static struct hw_pci n2100_pci __initdata = { - .nr_controllers = 1, - .ops = &iop3xx_ops, - .setup = iop3xx_pci_setup, - .preinit = iop3xx_pci_preinit, - .map_irq = n2100_pci_map_irq, -}; - -/* - * Both r8169 chips on the n2100 exhibit PCI parity problems. Turn - * off parity reporting for both ports so we don't get error interrupts - * for them. - */ -static void n2100_fixup_r8169(struct pci_dev *dev) -{ - if (dev->bus->number == 0 && - (dev->devfn == PCI_DEVFN(1, 0) || - dev->devfn == PCI_DEVFN(2, 0))) - pci_disable_parity(dev); -} -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169); - -static int __init n2100_pci_init(void) -{ - if (machine_is_n2100()) - pci_common_init(&n2100_pci); - - return 0; -} - -subsys_initcall(n2100_pci_init); - - -/* - * N2100 machine initialisation. - */ -static struct physmap_flash_data n2100_flash_data = { - .width = 2, -}; - -static struct resource n2100_flash_resource = { - .start = 0xf0000000, - .end = 0xf0ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device n2100_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &n2100_flash_data, - }, - .num_resources = 1, - .resource = &n2100_flash_resource, -}; - - -static struct plat_serial8250_port n2100_serial_port[] = { - { - .mapbase = N2100_UART, - .membase = (char *)N2100_UART, - .irq = 0, - .flags = UPF_SKIP_TEST | UPF_AUTO_IRQ | UPF_SHARE_IRQ, - .iotype = UPIO_MEM, - .regshift = 0, - .uartclk = 1843200, - }, - { }, -}; - -static struct resource n2100_uart_resource = { - .start = N2100_UART, - .end = N2100_UART + 7, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device n2100_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = n2100_serial_port, - }, - .num_resources = 1, - .resource = &n2100_uart_resource, -}; - -static struct f75375s_platform_data n2100_f75375s = { - .pwm = { 255, 255 }, - .pwm_enable = { 0, 0 }, -}; - -static struct pca9532_platform_data n2100_leds = { - .leds = { - { .name = "n2100:red:satafail0", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - { .name = "n2100:red:satafail1", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - { .name = "n2100:blue:usb", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - { .type = PCA9532_TYPE_NONE }, - - { .type = PCA9532_TYPE_NONE }, - { .type = PCA9532_TYPE_NONE }, - { .type = PCA9532_TYPE_NONE }, - { .name = "n2100:red:usb", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - - { .type = PCA9532_TYPE_NONE }, /* power OFF gpio */ - { .type = PCA9532_TYPE_NONE }, /* reset gpio */ - { .type = PCA9532_TYPE_NONE }, - { .type = PCA9532_TYPE_NONE }, - - { .type = PCA9532_TYPE_NONE }, - { .name = "n2100:orange:system", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - { .name = "n2100:red:system", - .state = PCA9532_OFF, - .type = PCA9532_TYPE_LED, - }, - { .name = "N2100 beeper" , - .state = PCA9532_OFF, - .type = PCA9532_TYPE_N2100_BEEP, - }, - }, - .psc = { 0, 0 }, - .pwm = { 0, 0 }, -}; - -static struct i2c_board_info __initdata n2100_i2c_devices[] = { - { - I2C_BOARD_INFO("rs5c372b", 0x32), - }, - { - I2C_BOARD_INFO("f75375", 0x2e), - .platform_data = &n2100_f75375s, - }, - { - I2C_BOARD_INFO("pca9532", 0x60), - .platform_data = &n2100_leds, - }, -}; - -/* - * Pull PCA9532 GPIO #8 low to power off the machine. - */ -static void n2100_power_off(void) -{ - local_irq_disable(); - - /* Start condition, I2C address of PCA9532, write transaction. */ - *IOP3XX_IDBR0 = 0xc0; - *IOP3XX_ICR0 = 0xe9; - mdelay(1); - - /* Write address 0x08. */ - *IOP3XX_IDBR0 = 0x08; - *IOP3XX_ICR0 = 0xe8; - mdelay(1); - - /* Write data 0x01, stop condition. */ - *IOP3XX_IDBR0 = 0x01; - *IOP3XX_ICR0 = 0xea; - - while (1) - ; -} - -static void n2100_restart(enum reboot_mode mode, const char *cmd) -{ - int ret; - - ret = gpio_direction_output(N2100_HARDWARE_RESET, 0); - if (ret) { - pr_crit("could not drive reset GPIO low\n"); - return; - } - /* Wait for reset to happen */ - while (1) - ; -} - - -static struct timer_list power_button_poll_timer; - -static void power_button_poll(struct timer_list *unused) -{ - if (gpio_get_value(N2100_POWER_BUTTON) == 0) { - ctrl_alt_del(); - return; - } - - power_button_poll_timer.expires = jiffies + (HZ / 10); - add_timer(&power_button_poll_timer); -} - -static int __init n2100_request_gpios(void) -{ - int ret; - - if (!machine_is_n2100()) - return 0; - - ret = gpio_request(N2100_HARDWARE_RESET, "reset"); - if (ret) - pr_err("could not request reset GPIO\n"); - - ret = gpio_request(N2100_POWER_BUTTON, "power"); - if (ret) - pr_err("could not request power GPIO\n"); - else { - ret = gpio_direction_input(N2100_POWER_BUTTON); - if (ret) - pr_err("could not set power GPIO as input\n"); - } - /* Set up power button poll timer */ - timer_setup(&power_button_poll_timer, power_button_poll, 0); - power_button_poll_timer.expires = jiffies + (HZ / 10); - add_timer(&power_button_poll_timer); - return 0; -} -device_initcall(n2100_request_gpios); - -static void __init n2100_init_machine(void) -{ - register_iop32x_gpio(); - gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup); - platform_device_register(&iop3xx_i2c0_device); - platform_device_register(&n2100_flash_device); - platform_device_register(&n2100_serial_device); - platform_device_register(&iop3xx_dma_0_channel); - platform_device_register(&iop3xx_dma_1_channel); - - i2c_register_board_info(0, n2100_i2c_devices, - ARRAY_SIZE(n2100_i2c_devices)); - - pm_power_off = n2100_power_off; -} - -MACHINE_START(N2100, "Thecus N2100") - /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .atag_offset = 0x100, - .nr_irqs = IOP32X_NR_IRQS, - .map_io = n2100_map_io, - .init_irq = iop32x_init_irq, - .init_time = n2100_timer_init, - .init_machine = n2100_init_machine, - .restart = n2100_restart, -MACHINE_END diff --git a/arch/arm/mach-iop32x/n2100.h b/arch/arm/mach-iop32x/n2100.h deleted file mode 100644 index 0b97b940d3e7..000000000000 --- a/arch/arm/mach-iop32x/n2100.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Thecus N2100 board registers - */ - -#ifndef __N2100_H -#define __N2100_H - -#define N2100_UART 0xfe800000 /* UART */ - -#define N2100_COPY_BUTTON IOP3XX_GPIO_LINE(0) -#define N2100_PCA9532_RESET IOP3XX_GPIO_LINE(2) -#define N2100_RESET_BUTTON IOP3XX_GPIO_LINE(3) -#define N2100_HARDWARE_RESET IOP3XX_GPIO_LINE(4) -#define N2100_POWER_BUTTON IOP3XX_GPIO_LINE(5) - - -#endif diff --git a/arch/arm/mach-iop32x/pci.c b/arch/arm/mach-iop32x/pci.c deleted file mode 100644 index 7a215d2ee7e2..000000000000 --- a/arch/arm/mach-iop32x/pci.c +++ /dev/null @@ -1,404 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/plat-iop/pci.c - * - * PCI support for the Intel IOP32X and IOP33X processors - * - * Author: Rory Bolt <rorybolt@pacbell.net> - * Copyright (C) 2002 Rory Bolt - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <asm/irq.h> -#include <asm/signal.h> -#include <asm/mach/pci.h> -#include "hardware.h" -#include "iop3xx.h" - -// #define DEBUG - -#ifdef DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) do { } while (0) -#endif - -/* - * This routine builds either a type0 or type1 configuration command. If the - * bus is on the 803xx then a type0 made, else a type1 is created. - */ -static u32 iop3xx_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 & ~3); - - return addr; -} - -/* - * This routine checks the status of the last configuration cycle. If an error - * was detected it returns a 1, else it returns a 0. The errors being checked - * are parity, master abort, target abort (master and target). These types of - * errors occur during a config cycle where there is no device, like during - * the discovery stage. - */ -static int iop3xx_pci_status(void) -{ - unsigned int status; - int ret = 0; - - /* - * Check the status registers. - */ - status = *IOP3XX_ATUSR; - if (status & 0xf900) { - DBG("\t\t\tPCI: P0 - status = 0x%08x\n", status); - *IOP3XX_ATUSR = status & 0xf900; - ret = 1; - } - - status = *IOP3XX_ATUISR; - if (status & 0x679f) { - DBG("\t\t\tPCI: P1 - status = 0x%08x\n", status); - *IOP3XX_ATUISR = status & 0x679f; - ret = 1; - } - - return ret; -} - -/* - * Simply write the address register and read the configuration - * data. Note that the 4 nops ensure that we are able to handle - * a delayed abort (in theory.) - */ -static u32 iop3xx_read(unsigned long addr) -{ - u32 val; - - __asm__ __volatile__( - "str %1, [%2]\n\t" - "ldr %0, [%3]\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - : "=r" (val) - : "r" (addr), "r" (IOP3XX_OCCAR), "r" (IOP3XX_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 -iop3xx_read_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 *value) -{ - unsigned long addr = iop3xx_cfg_address(bus, devfn, where); - u32 val = iop3xx_read(addr) >> ((where & 3) * 8); - - if (iop3xx_pci_status()) - val = 0xffffffff; - - *value = val; - - return PCIBIOS_SUCCESSFUL; -} - -static int -iop3xx_write_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 value) -{ - unsigned long addr = iop3xx_cfg_address(bus, devfn, where); - u32 val; - - if (size != 4) { - val = iop3xx_read(addr); - if (iop3xx_pci_status()) - return PCIBIOS_SUCCESSFUL; - - where = (where & 3) * 8; - - if (size == 1) - val &= ~(0xff << where); - else - val &= ~(0xffff << where); - - *IOP3XX_OCCDR = val | value << where; - } else { - asm volatile( - "str %1, [%2]\n\t" - "str %0, [%3]\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - : - : "r" (value), "r" (addr), - "r" (IOP3XX_OCCAR), "r" (IOP3XX_OCCDR)); - } - - return PCIBIOS_SUCCESSFUL; -} - -struct pci_ops iop3xx_ops = { - .read = iop3xx_read_config, - .write = iop3xx_write_config, -}; - -/* - * When a PCI device does not exist during config cycles, the 80200 gets a - * bus error instead of returning 0xffffffff. This handler simply returns. - */ -static int -iop3xx_pci_abort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) -{ - DBG("PCI abort: address = 0x%08lx fsr = 0x%03x PC = 0x%08lx LR = 0x%08lx\n", - addr, fsr, regs->ARM_pc, regs->ARM_lr); - - /* - * 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; - - return 0; -} - -int iop3xx_pci_setup(int nr, struct pci_sys_data *sys) -{ - struct resource *res; - struct resource realio; - - if (nr != 0) - return 0; - - res = kzalloc(sizeof(struct resource), GFP_KERNEL); - if (!res) - panic("PCI: unable to alloc resources"); - - res->start = IOP3XX_PCI_LOWER_MEM_PA; - res->end = IOP3XX_PCI_LOWER_MEM_PA + IOP3XX_PCI_MEM_WINDOW_SIZE - 1; - res->name = "IOP3XX PCI Memory Space"; - res->flags = IORESOURCE_MEM; - request_resource(&iomem_resource, res); - - /* - * Use whatever translation is already setup. - */ - sys->mem_offset = IOP3XX_PCI_LOWER_MEM_PA - *IOP3XX_OMWTVR0; - - pci_add_resource_offset(&sys->resources, res, sys->mem_offset); - - realio.start = 0; - realio.end = realio.start + SZ_64K - 1; - pci_remap_iospace(&realio, IOP3XX_PCI_LOWER_IO_PA); - - return 1; -} - -void __init iop3xx_atu_setup(void) -{ - /* BAR 0 ( Disabled ) */ - *IOP3XX_IAUBAR0 = 0x0; - *IOP3XX_IABAR0 = 0x0; - *IOP3XX_IATVR0 = 0x0; - *IOP3XX_IALR0 = 0x0; - - /* BAR 1 ( Disabled ) */ - *IOP3XX_IAUBAR1 = 0x0; - *IOP3XX_IABAR1 = 0x0; - *IOP3XX_IALR1 = 0x0; - - /* BAR 2 (1:1 mapping with Physical RAM) */ - /* Set limit and enable */ - *IOP3XX_IALR2 = ~((u32)IOP3XX_MAX_RAM_SIZE - 1) & ~0x1; - *IOP3XX_IAUBAR2 = 0x0; - - /* Align the inbound bar with the base of memory */ - *IOP3XX_IABAR2 = PHYS_OFFSET | - PCI_BASE_ADDRESS_MEM_TYPE_64 | - PCI_BASE_ADDRESS_MEM_PREFETCH; - - *IOP3XX_IATVR2 = PHYS_OFFSET; - - /* Outbound window 0 */ - *IOP3XX_OMWTVR0 = IOP3XX_PCI_LOWER_MEM_BA; - *IOP3XX_OUMWTVR0 = 0; - - /* Outbound window 1 */ - *IOP3XX_OMWTVR1 = IOP3XX_PCI_LOWER_MEM_BA + - IOP3XX_PCI_MEM_WINDOW_SIZE / 2; - *IOP3XX_OUMWTVR1 = 0; - - /* BAR 3 ( Disabled ) */ - *IOP3XX_IAUBAR3 = 0x0; - *IOP3XX_IABAR3 = 0x0; - *IOP3XX_IATVR3 = 0x0; - *IOP3XX_IALR3 = 0x0; - - /* Setup the I/O Bar - */ - *IOP3XX_OIOWTVR = IOP3XX_PCI_LOWER_IO_BA; - - /* Enable inbound and outbound cycles - */ - *IOP3XX_ATUCMD |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | - PCI_COMMAND_PARITY | PCI_COMMAND_SERR; - *IOP3XX_ATUCR |= IOP3XX_ATUCR_OUT_EN; -} - -void __init iop3xx_atu_disable(void) -{ - *IOP3XX_ATUCMD = 0; - *IOP3XX_ATUCR = 0; - - /* wait for cycles to quiesce */ - while (*IOP3XX_PCSR & (IOP3XX_PCSR_OUT_Q_BUSY | - IOP3XX_PCSR_IN_Q_BUSY)) - cpu_relax(); - - /* BAR 0 ( Disabled ) */ - *IOP3XX_IAUBAR0 = 0x0; - *IOP3XX_IABAR0 = 0x0; - *IOP3XX_IATVR0 = 0x0; - *IOP3XX_IALR0 = 0x0; - - /* BAR 1 ( Disabled ) */ - *IOP3XX_IAUBAR1 = 0x0; - *IOP3XX_IABAR1 = 0x0; - *IOP3XX_IALR1 = 0x0; - - /* BAR 2 ( Disabled ) */ - *IOP3XX_IAUBAR2 = 0x0; - *IOP3XX_IABAR2 = 0x0; - *IOP3XX_IATVR2 = 0x0; - *IOP3XX_IALR2 = 0x0; - - /* BAR 3 ( Disabled ) */ - *IOP3XX_IAUBAR3 = 0x0; - *IOP3XX_IABAR3 = 0x0; - *IOP3XX_IATVR3 = 0x0; - *IOP3XX_IALR3 = 0x0; - - /* Clear the outbound windows */ - *IOP3XX_OIOWTVR = 0; - - /* Outbound window 0 */ - *IOP3XX_OMWTVR0 = 0; - *IOP3XX_OUMWTVR0 = 0; - - /* Outbound window 1 */ - *IOP3XX_OMWTVR1 = 0; - *IOP3XX_OUMWTVR1 = 0; -} - -/* Flag to determine whether the ATU is initialized and the PCI bus scanned */ -int init_atu; - -int iop3xx_get_init_atu(void) { - /* check if default has been overridden */ - if (init_atu != IOP3XX_INIT_ATU_DEFAULT) - return init_atu; - else - return IOP3XX_INIT_ATU_DISABLE; -} - -static void __init iop3xx_atu_debug(void) -{ - DBG("PCI: Intel IOP3xx PCI init.\n"); - DBG("PCI: Outbound memory window 0: PCI 0x%08x%08x\n", - *IOP3XX_OUMWTVR0, *IOP3XX_OMWTVR0); - DBG("PCI: Outbound memory window 1: PCI 0x%08x%08x\n", - *IOP3XX_OUMWTVR1, *IOP3XX_OMWTVR1); - DBG("PCI: Outbound IO window: PCI 0x%08x\n", - *IOP3XX_OIOWTVR); - - DBG("PCI: Inbound memory window 0: PCI 0x%08x%08x 0x%08x -> 0x%08x\n", - *IOP3XX_IAUBAR0, *IOP3XX_IABAR0, *IOP3XX_IALR0, *IOP3XX_IATVR0); - DBG("PCI: Inbound memory window 1: PCI 0x%08x%08x 0x%08x\n", - *IOP3XX_IAUBAR1, *IOP3XX_IABAR1, *IOP3XX_IALR1); - DBG("PCI: Inbound memory window 2: PCI 0x%08x%08x 0x%08x -> 0x%08x\n", - *IOP3XX_IAUBAR2, *IOP3XX_IABAR2, *IOP3XX_IALR2, *IOP3XX_IATVR2); - DBG("PCI: Inbound memory window 3: PCI 0x%08x%08x 0x%08x -> 0x%08x\n", - *IOP3XX_IAUBAR3, *IOP3XX_IABAR3, *IOP3XX_IALR3, *IOP3XX_IATVR3); - - DBG("PCI: Expansion ROM window: PCI 0x%08x%08x 0x%08x -> 0x%08x\n", - 0, *IOP3XX_ERBAR, *IOP3XX_ERLR, *IOP3XX_ERTVR); - - DBG("ATU: IOP3XX_ATUCMD=0x%04x\n", *IOP3XX_ATUCMD); - DBG("ATU: IOP3XX_ATUCR=0x%08x\n", *IOP3XX_ATUCR); - - hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, 0, "imprecise external abort"); -} - -/* for platforms that might be host-bus-adapters */ -void __init iop3xx_pci_preinit_cond(void) -{ - if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) { - iop3xx_atu_disable(); - iop3xx_atu_setup(); - iop3xx_atu_debug(); - } -} - -void __init iop3xx_pci_preinit(void) -{ - pcibios_min_mem = 0; - - iop3xx_atu_disable(); - iop3xx_atu_setup(); - iop3xx_atu_debug(); -} - -/* allow init_atu to be user overridden */ -static int __init iop3xx_init_atu_setup(char *str) -{ - init_atu = IOP3XX_INIT_ATU_DEFAULT; - if (str) { - while (*str != '\0') { - switch (*str) { - case 'y': - case 'Y': - init_atu = IOP3XX_INIT_ATU_ENABLE; - break; - case 'n': - case 'N': - init_atu = IOP3XX_INIT_ATU_DISABLE; - break; - case ',': - case '=': - break; - default: - printk(KERN_DEBUG "\"%s\" malformed at " - "character: \'%c\'", - __func__, - *str); - *(str + 1) = '\0'; - } - str++; - } - } - - return 1; -} - -__setup("iop3xx_init_atu", iop3xx_init_atu_setup); - diff --git a/arch/arm/mach-iop32x/pmu.c b/arch/arm/mach-iop32x/pmu.c deleted file mode 100644 index bdbc7a3cb8a3..000000000000 --- a/arch/arm/mach-iop32x/pmu.c +++ /dev/null @@ -1,29 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * PMU IRQ registration for the iop3xx xscale PMU families. - * Copyright (C) 2010 Will Deacon, ARM Ltd. - */ - -#include <linux/platform_device.h> -#include "irqs.h" - -static struct resource pmu_resource = { - .start = IRQ_IOP32X_CORE_PMU, - .end = IRQ_IOP32X_CORE_PMU, - .flags = IORESOURCE_IRQ, -}; - -static struct platform_device pmu_device = { - .name = "xscale-pmu", - .id = -1, - .resource = &pmu_resource, - .num_resources = 1, -}; - -static int __init iop3xx_pmu_init(void) -{ - platform_device_register(&pmu_device); - return 0; -} - -arch_initcall(iop3xx_pmu_init); diff --git a/arch/arm/mach-iop32x/restart.c b/arch/arm/mach-iop32x/restart.c deleted file mode 100644 index 3dfa54d3a7a8..000000000000 --- a/arch/arm/mach-iop32x/restart.c +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * restart.c - * - * Copyright (C) 2001 MontaVista Software, Inc. - */ -#include <asm/system_misc.h> -#include "hardware.h" -#include "iop3xx.h" - -void iop3xx_restart(enum reboot_mode mode, const char *cmd) -{ - *IOP3XX_PCSR = 0x30; - - /* Jump into ROM at address 0 */ - soft_restart(0); -} diff --git a/arch/arm/mach-iop32x/setup.c b/arch/arm/mach-iop32x/setup.c deleted file mode 100644 index a0a81c28a632..000000000000 --- a/arch/arm/mach-iop32x/setup.c +++ /dev/null @@ -1,31 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/plat-iop/setup.c - * - * Author: Nicolas Pitre <nico@fluxnic.net> - * Copyright (C) 2001 MontaVista Software, Inc. - * Copyright (C) 2004 Intel Corporation. - */ - -#include <linux/mm.h> -#include <linux/init.h> -#include <asm/mach/map.h> -#include "iop3xx.h" - -/* - * Standard IO mapping for all IOP3xx based systems. Note that - * the IOP3xx OCCDR must be mapped uncached and unbuffered. - */ -static struct map_desc iop3xx_std_desc[] __initdata = { - { /* mem mapped registers */ - .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, - .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), - .length = IOP3XX_PERIPHERAL_SIZE, - .type = MT_UNCACHED, - }, -}; - -void __init iop3xx_map_io(void) -{ - iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc)); -} diff --git a/arch/arm/mach-iop32x/time.c b/arch/arm/mach-iop32x/time.c deleted file mode 100644 index ae533b66fefd..000000000000 --- a/arch/arm/mach-iop32x/time.c +++ /dev/null @@ -1,179 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/plat-iop/time.c - * - * Timer code for IOP32x and IOP33x based systems - * - * Author: Deepak Saxena <dsaxena@mvista.com> - * - * Copyright 2002-2003 MontaVista Software Inc. - */ - -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/init.h> -#include <linux/timex.h> -#include <linux/io.h> -#include <linux/clocksource.h> -#include <linux/clockchips.h> -#include <linux/export.h> -#include <linux/sched_clock.h> -#include <asm/irq.h> -#include <linux/uaccess.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> - -#include "hardware.h" -#include "irqs.h" - -/* - * Minimum clocksource/clockevent timer range in seconds - */ -#define IOP_MIN_RANGE 4 - -/* - * IOP clocksource (free-running timer 1). - */ -static u64 notrace iop_clocksource_read(struct clocksource *unused) -{ - return 0xffffffffu - read_tcr1(); -} - -static struct clocksource iop_clocksource = { - .name = "iop_timer1", - .rating = 300, - .read = iop_clocksource_read, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -/* - * IOP sched_clock() implementation via its clocksource. - */ -static u64 notrace iop_read_sched_clock(void) -{ - return 0xffffffffu - read_tcr1(); -} - -/* - * IOP clockevents (interrupting timer 0). - */ -static int iop_set_next_event(unsigned long delta, - struct clock_event_device *unused) -{ - u32 tmr = IOP_TMR_PRIVILEGED | IOP_TMR_RATIO_1_1; - - BUG_ON(delta == 0); - write_tmr0(tmr & ~(IOP_TMR_EN | IOP_TMR_RELOAD)); - write_tcr0(delta); - write_tmr0((tmr & ~IOP_TMR_RELOAD) | IOP_TMR_EN); - - return 0; -} - -static unsigned long ticks_per_jiffy; - -static int iop_set_periodic(struct clock_event_device *evt) -{ - u32 tmr = read_tmr0(); - - write_tmr0(tmr & ~IOP_TMR_EN); - write_tcr0(ticks_per_jiffy - 1); - write_trr0(ticks_per_jiffy - 1); - tmr |= (IOP_TMR_RELOAD | IOP_TMR_EN); - - write_tmr0(tmr); - return 0; -} - -static int iop_set_oneshot(struct clock_event_device *evt) -{ - u32 tmr = read_tmr0(); - - /* ->set_next_event sets period and enables timer */ - tmr &= ~(IOP_TMR_RELOAD | IOP_TMR_EN); - write_tmr0(tmr); - return 0; -} - -static int iop_shutdown(struct clock_event_device *evt) -{ - u32 tmr = read_tmr0(); - - tmr &= ~IOP_TMR_EN; - write_tmr0(tmr); - return 0; -} - -static int iop_resume(struct clock_event_device *evt) -{ - u32 tmr = read_tmr0(); - - tmr |= IOP_TMR_EN; - write_tmr0(tmr); - return 0; -} - -static struct clock_event_device iop_clockevent = { - .name = "iop_timer0", - .features = CLOCK_EVT_FEAT_PERIODIC | - CLOCK_EVT_FEAT_ONESHOT, - .rating = 300, - .set_next_event = iop_set_next_event, - .set_state_shutdown = iop_shutdown, - .set_state_periodic = iop_set_periodic, - .tick_resume = iop_resume, - .set_state_oneshot = iop_set_oneshot, -}; - -static irqreturn_t -iop_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *evt = dev_id; - - write_tisr(1); - evt->event_handler(evt); - return IRQ_HANDLED; -} - -static unsigned long iop_tick_rate; -unsigned long get_iop_tick_rate(void) -{ - return iop_tick_rate; -} -EXPORT_SYMBOL(get_iop_tick_rate); - -void __init iop_init_time(unsigned long tick_rate) -{ - u32 timer_ctl; - int irq = IRQ_IOP32X_TIMER0; - - sched_clock_register(iop_read_sched_clock, 32, tick_rate); - - ticks_per_jiffy = DIV_ROUND_CLOSEST(tick_rate, HZ); - iop_tick_rate = tick_rate; - - timer_ctl = IOP_TMR_EN | IOP_TMR_PRIVILEGED | - IOP_TMR_RELOAD | IOP_TMR_RATIO_1_1; - - /* - * Set up interrupting clockevent timer 0. - */ - write_tmr0(timer_ctl & ~IOP_TMR_EN); - write_tisr(1); - if (request_irq(irq, iop_timer_interrupt, IRQF_TIMER | IRQF_IRQPOLL, - "IOP Timer Tick", &iop_clockevent)) - pr_err("Failed to request irq() %d (IOP Timer Tick)\n", irq); - iop_clockevent.cpumask = cpumask_of(0); - clockevents_config_and_register(&iop_clockevent, tick_rate, - 0xf, 0xfffffffe); - - /* - * Set up free-running clocksource timer 1. - */ - write_trr1(0xffffffff); - write_tcr1(0xffffffff); - write_tmr1(timer_ctl); - clocksource_register_hz(&iop_clocksource, tick_rate); -} |