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authorArnd Bergmann <arnd@arndb.de>2022-09-29 15:31:18 +0200
committerArnd Bergmann <arnd@arndb.de>2023-01-10 23:10:27 +0100
commitb91a69d162aae0f097432c8166956eccf71783d3 (patch)
tree7341a50f97333c384d590ea6b7bfd7a14e766570 /arch/arm/mach-iop32x/n2100.c
parentfd68572b57f2be17e18905d28e5b7165741ad48a (diff)
downloadlinux-next-b91a69d162aae0f097432c8166956eccf71783d3.tar.gz
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/n2100.c')
-rw-r--r--arch/arm/mach-iop32x/n2100.c367
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