| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * arch/arm/mach-iop33x/uart.c |
| * |
| * Author: Dave Jiang (dave.jiang@intel.com) |
| * Copyright (C) 2004 Intel Corporation. |
| */ |
| |
| #include <linux/mm.h> |
| #include <linux/init.h> |
| #include <linux/major.h> |
| #include <linux/fs.h> |
| #include <linux/platform_device.h> |
| #include <linux/serial.h> |
| #include <linux/tty.h> |
| #include <linux/serial_8250.h> |
| #include <linux/io.h> |
| #include <asm/pgtable.h> |
| #include <asm/page.h> |
| #include <asm/mach/map.h> |
| #include <asm/setup.h> |
| #include <asm/memory.h> |
| #include <mach/hardware.h> |
| #include <asm/hardware/iop3xx.h> |
| #include <asm/mach/arch.h> |
| |
| #define IOP33X_UART_XTAL 33334000 |
| |
| static struct plat_serial8250_port iop33x_uart0_data[] = { |
| { |
| .membase = (char *)IOP33X_UART0_VIRT, |
| .mapbase = IOP33X_UART0_PHYS, |
| .irq = IRQ_IOP33X_UART0, |
| .uartclk = IOP33X_UART_XTAL, |
| .regshift = 2, |
| .iotype = UPIO_MEM, |
| .flags = UPF_SKIP_TEST, |
| }, |
| { }, |
| }; |
| |
| static struct resource iop33x_uart0_resources[] = { |
| [0] = { |
| .start = IOP33X_UART0_PHYS, |
| .end = IOP33X_UART0_PHYS + 0x3f, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = IRQ_IOP33X_UART0, |
| .end = IRQ_IOP33X_UART0, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| struct platform_device iop33x_uart0_device = { |
| .name = "serial8250", |
| .id = PLAT8250_DEV_PLATFORM, |
| .dev = { |
| .platform_data = iop33x_uart0_data, |
| }, |
| .num_resources = 2, |
| .resource = iop33x_uart0_resources, |
| }; |
| |
| |
| static struct resource iop33x_uart1_resources[] = { |
| [0] = { |
| .start = IOP33X_UART1_PHYS, |
| .end = IOP33X_UART1_PHYS + 0x3f, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = IRQ_IOP33X_UART1, |
| .end = IRQ_IOP33X_UART1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct plat_serial8250_port iop33x_uart1_data[] = { |
| { |
| .membase = (char *)IOP33X_UART1_VIRT, |
| .mapbase = IOP33X_UART1_PHYS, |
| .irq = IRQ_IOP33X_UART1, |
| .uartclk = IOP33X_UART_XTAL, |
| .regshift = 2, |
| .iotype = UPIO_MEM, |
| .flags = UPF_SKIP_TEST, |
| }, |
| { }, |
| }; |
| |
| struct platform_device iop33x_uart1_device = { |
| .name = "serial8250", |
| .id = PLAT8250_DEV_PLATFORM1, |
| .dev = { |
| .platform_data = iop33x_uart1_data, |
| }, |
| .num_resources = 2, |
| .resource = iop33x_uart1_resources, |
| }; |