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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-ixp4xx/coyote-setup.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-ixp4xx/coyote-setup.c')
-rw-r--r--arch/arm/mach-ixp4xx/coyote-setup.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
new file mode 100644
index 000000000..7ca43ca28
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+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * arch/arm/mach-ixp4xx/coyote-setup.c
+ *
+ * Board setup for ADI Engineering and IXDGP425 boards
+ *
+ * Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Deepak Saxena <dsaxena@plexity.net>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#include "irqs.h"
+
+#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
+#define COYOTE_IDE_BASE_VIRT 0xFFFE1000
+#define COYOTE_IDE_REGION_SIZE 0x1000
+
+#define COYOTE_IDE_DATA_PORT 0xFFFE10E0
+#define COYOTE_IDE_CTRL_PORT 0xFFFE10FC
+#define COYOTE_IDE_ERROR_PORT 0xFFFE10E2
+#define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5
+
+static struct flash_platform_data coyote_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource coyote_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device coyote_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &coyote_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &coyote_flash_resource,
+};
+
+static struct resource coyote_uart_resource = {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct plat_serial8250_port coyote_uart_data[] = {
+ {
+ .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,
+ },
+ { },
+};
+
+static struct platform_device coyote_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = coyote_uart_data,
+ },
+ .num_resources = 1,
+ .resource = &coyote_uart_resource,
+};
+
+static struct platform_device *coyote_devices[] __initdata = {
+ &coyote_flash,
+ &coyote_uart
+};
+
+static void __init coyote_init(void)
+{
+ ixp4xx_sys_init();
+
+ coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
+
+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+ if (machine_is_ixdpg425()) {
+ coyote_uart_data[0].membase =
+ (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
+ coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
+ coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
+ }
+
+ platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
+}
+
+#ifdef CONFIG_ARCH_ADI_COYOTE
+MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
+ /* Maintainer: MontaVista Software, Inc. */
+ .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 = coyote_init,
+#if defined(CONFIG_PCI)
+ .dma_zone_size = SZ_64M,
+#endif
+ .restart = ixp4xx_restart,
+MACHINE_END
+#endif
+
+/*
+ * IXDPG425 is identical to Coyote except for which serial port
+ * is connected.
+ */
+#ifdef CONFIG_MACH_IXDPG425
+MACHINE_START(IXDPG425, "Intel IXDPG425")
+ /* Maintainer: MontaVista Software, Inc. */
+ .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 = coyote_init,
+ .restart = ixp4xx_restart,
+MACHINE_END
+#endif
+