diff options
author | Arnd Bergmann <arnd@arndb.de> | 2022-09-29 15:31:18 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2023-01-10 23:10:27 +0100 |
commit | b91a69d162aae0f097432c8166956eccf71783d3 (patch) | |
tree | 7341a50f97333c384d590ea6b7bfd7a14e766570 /arch/arm/mach-iop32x/iq31244.c | |
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/iq31244.c')
-rw-r--r-- | arch/arm/mach-iop32x/iq31244.c | 333 |
1 files changed, 0 insertions, 333 deletions
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 |