diff options
Diffstat (limited to 'arch/arm/mach-iop32x/n2100.c')
| -rw-r--r-- | arch/arm/mach-iop32x/n2100.c | 367 |
1 files changed, 0 insertions, 367 deletions
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 |