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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-iop33x/uart.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-iop33x/uart.c')
-rw-r--r-- | arch/arm/mach-iop33x/uart.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-iop33x/uart.c b/arch/arm/mach-iop33x/uart.c new file mode 100644 index 000000000..bbf54d794 --- /dev/null +++ b/arch/arm/mach-iop33x/uart.c @@ -0,0 +1,103 @@ +/* + * arch/arm/mach-iop33x/uart.c + * + * Author: Dave Jiang (dave.jiang@intel.com) + * Copyright (C) 2004 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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, +}; |