+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arch/mach-ixp4xx/vulcan-pci.c
- *
- * Vulcan board-level PCI initialization
- *
- * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
- *
- * based on ixdp425-pci.c:
- * Copyright (C) 2002 Intel Corporation.
- * Copyright (C) 2003-2004 MontaVista Software, Inc.
- */
-
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <asm/mach/pci.h>
-#include <asm/mach-types.h>
-
-#include "irqs.h"
-
-/* PCI controller GPIO to IRQ pin mappings */
-#define INTA 2
-#define INTB 3
-
-void __init vulcan_pci_preinit(void)
-{
-#ifndef CONFIG_IXP4XX_INDIRECT_PCI
- /*
- * Cardbus bridge wants way more than the SoC can actually offer,
- * and leaves the whole PCI bus in a mess. Artificially limit it
- * to 8MB per region. Of course indirect mode doesn't have this
- * limitation...
- */
- pci_cardbus_mem_size = SZ_8M;
- pr_info("Vulcan PCI: limiting CardBus memory size to %dMB\n",
- (int)(pci_cardbus_mem_size >> 20));
-#endif
- irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);
- irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);
- ixp4xx_pci_preinit();
-}
-
-static int __init vulcan_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- if (slot == 1)
- return IXP4XX_GPIO_IRQ(INTA);
-
- if (slot == 2)
- return IXP4XX_GPIO_IRQ(INTB);
-
- return -1;
-}
-
-struct hw_pci vulcan_pci __initdata = {
- .nr_controllers = 1,
- .ops = &ixp4xx_ops,
- .preinit = vulcan_pci_preinit,
- .setup = ixp4xx_setup,
- .map_irq = vulcan_map_irq,
-};
-
-int __init vulcan_pci_init(void)
-{
- if (machine_is_arcom_vulcan())
- pci_common_init(&vulcan_pci);
- return 0;
-}
-
-subsys_initcall(vulcan_pci_init);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/arm/mach-ixp4xx/vulcan-setup.c
- *
- * Arcom/Eurotech Vulcan board-setup
- *
- * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
- *
- * based on fsg-setup.c:
- * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
- */
-
-#include <linux/if_ether.h>
-#include <linux/irq.h>
-#include <linux/serial.h>
-#include <linux/serial_8250.h>
-#include <linux/io.h>
-#include <linux/w1-gpio.h>
-#include <linux/gpio/machine.h>
-#include <linux/mtd/plat-ram.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-
-#include "irqs.h"
-
-static struct flash_platform_data vulcan_flash_data = {
- .map_name = "cfi_probe",
- .width = 2,
-};
-
-static struct resource vulcan_flash_resource = {
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device vulcan_flash = {
- .name = "IXP4XX-Flash",
- .id = 0,
- .dev = {
- .platform_data = &vulcan_flash_data,
- },
- .resource = &vulcan_flash_resource,
- .num_resources = 1,
-};
-
-static struct platdata_mtd_ram vulcan_sram_data = {
- .mapname = "Vulcan SRAM",
- .bankwidth = 1,
-};
-
-static struct resource vulcan_sram_resource = {
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device vulcan_sram = {
- .name = "mtd-ram",
- .id = 0,
- .dev = {
- .platform_data = &vulcan_sram_data,
- },
- .resource = &vulcan_sram_resource,
- .num_resources = 1,
-};
-
-static struct resource vulcan_uart_resources[] = {
- [0] = {
- .start = IXP4XX_UART1_BASE_PHYS,
- .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IXP4XX_UART2_BASE_PHYS,
- .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct plat_serial8250_port vulcan_uart_data[] = {
- [0] = {
- .mapbase = IXP4XX_UART1_BASE_PHYS,
- .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
- .irq = IRQ_IXP4XX_UART1,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = IXP4XX_UART_XTAL,
- },
- [1] = {
- .mapbase = IXP4XX_UART2_BASE_PHYS,
- .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
- .irq = IRQ_IXP4XX_UART2,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = IXP4XX_UART_XTAL,
- },
- [2] = {
- .irq = IXP4XX_GPIO_IRQ(4),
- .irqflags = IRQF_TRIGGER_LOW,
- .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM,
- .uartclk = 1843200,
- },
- [3] = {
- .irq = IXP4XX_GPIO_IRQ(4),
- .irqflags = IRQF_TRIGGER_LOW,
- .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM,
- .uartclk = 1843200,
- },
- { }
-};
-
-static struct platform_device vulcan_uart = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = vulcan_uart_data,
- },
- .resource = vulcan_uart_resources,
- .num_resources = ARRAY_SIZE(vulcan_uart_resources),
-};
-
-static struct resource vulcan_npeb_resources[] = {
- {
- .start = IXP4XX_EthB_BASE_PHYS,
- .end = IXP4XX_EthB_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct resource vulcan_npec_resources[] = {
- {
- .start = IXP4XX_EthC_BASE_PHYS,
- .end = IXP4XX_EthC_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct eth_plat_info vulcan_plat_eth[] = {
- [0] = {
- .phy = 0,
- .rxq = 3,
- .txreadyq = 20,
- },
- [1] = {
- .phy = 1,
- .rxq = 4,
- .txreadyq = 21,
- },
-};
-
-static struct platform_device vulcan_eth[] = {
- [0] = {
- .name = "ixp4xx_eth",
- .id = IXP4XX_ETH_NPEB,
- .dev = {
- .platform_data = &vulcan_plat_eth[0],
- },
- .num_resources = ARRAY_SIZE(vulcan_npeb_resources),
- .resource = vulcan_npeb_resources,
- },
- [1] = {
- .name = "ixp4xx_eth",
- .id = IXP4XX_ETH_NPEC,
- .dev = {
- .platform_data = &vulcan_plat_eth[1],
- },
- .num_resources = ARRAY_SIZE(vulcan_npec_resources),
- .resource = vulcan_npec_resources,
- },
-};
-
-static struct resource vulcan_max6369_resource = {
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device vulcan_max6369 = {
- .name = "max6369_wdt",
- .id = -1,
- .resource = &vulcan_max6369_resource,
- .num_resources = 1,
-};
-
-static struct gpiod_lookup_table vulcan_w1_gpiod_table = {
- .dev_id = "w1-gpio",
- .table = {
- GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", 14, NULL, 0,
- GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
- },
-};
-
-static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
- /* Intentionally left blank */
-};
-
-static struct platform_device vulcan_w1_gpio = {
- .name = "w1-gpio",
- .id = 0,
- .dev = {
- .platform_data = &vulcan_w1_gpio_pdata,
- },
-};
-
-static struct platform_device *vulcan_devices[] __initdata = {
- &vulcan_uart,
- &vulcan_flash,
- &vulcan_sram,
- &vulcan_max6369,
- &vulcan_eth[0],
- &vulcan_eth[1],
- &vulcan_w1_gpio,
-};
-
-static void __init vulcan_init(void)
-{
- ixp4xx_sys_init();
-
- /* Flash is spread over both CS0 and CS1 */
- vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
- vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
- *IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_STROBE_T(3) |
- IXP4XX_EXP_BUS_SIZE(0xF) |
- IXP4XX_EXP_BUS_BYTE_RD16 |
- IXP4XX_EXP_BUS_WR_EN;
- *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
-
- /* SRAM on CS2, (256kB, 8bit, writable) */
- vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2);
- vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
- *IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_STROBE_T(1) |
- IXP4XX_EXP_BUS_HOLD_T(2) |
- IXP4XX_EXP_BUS_SIZE(9) |
- IXP4XX_EXP_BUS_SPLT_EN |
- IXP4XX_EXP_BUS_WR_EN |
- IXP4XX_EXP_BUS_BYTE_EN;
-
- /* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
- vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3);
- vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
- vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start;
- vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8;
- *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_STROBE_T(3) |
- IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)|
- IXP4XX_EXP_BUS_WR_EN |
- IXP4XX_EXP_BUS_BYTE_EN;
-
- /* GPIOS on CS4 (512 bytes, 8bits, writable) */
- *IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_WR_EN |
- IXP4XX_EXP_BUS_BYTE_EN;
-
- /* max6369 on CS5 (512 bytes, 8bits, writable) */
- vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5);
- vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5);
- *IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_WR_EN |
- IXP4XX_EXP_BUS_BYTE_EN;
-
- gpiod_add_lookup_table(&vulcan_w1_gpiod_table);
- platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
-}
-
-MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
- /* Maintainer: Marc Zyngier <maz@misterjones.org> */
- .map_io = ixp4xx_map_io,
- .init_early = ixp4xx_init_early,
- .init_irq = ixp4xx_init_irq,
- .init_time = ixp4xx_timer_init,
- .atag_offset = 0x100,
- .init_machine = vulcan_init,
-#if defined(CONFIG_PCI)
- .dma_zone_size = SZ_64M,
-#endif
- .restart = ixp4xx_restart,
-MACHINE_END
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