Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 4462dc02842698f173f518c1f5ce79c0fb89395a / . / arch / arm / mach-iop33x / uart.c
blob: cdae24e46eeae784398f3674973157ece4b6a434 [file] [log] [blame]
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]1/*
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]2 * arch/arm/mach-iop33x/uart.c
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]3 *
4 * Author: Dave Jiang (dave.jiang@intel.com)
5 * Copyright (C) 2004 Intel Corporation.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/mm.h>
13#include <linux/init.h>
14#include <linux/major.h>
15#include <linux/fs.h>
16#include <linux/platform_device.h>
17#include <linux/serial.h>
18#include <linux/tty.h>
19#include <linux/serial_8250.h>
Russell Kingfced80c2008-09-06 12:10:45 +0100[diff] [blame]20#include <linux/io.h>
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]21#include <asm/pgtable.h>
22#include <asm/page.h>
23#include <asm/mach/map.h>
24#include <asm/setup.h>
25#include <asm/system.h>
26#include <asm/memory.h>
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]27#include <mach/hardware.h>
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]28#include <asm/hardware/iop3xx.h>
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]29#include <asm/mach/arch.h>
30
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]31#define IOP33X_UART_XTAL 33334000
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]32
33static struct plat_serial8250_port iop33x_uart0_data[] = {
34 {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]35 .membase = (char *)IOP33X_UART0_VIRT,
36 .mapbase = IOP33X_UART0_PHYS,
37 .irq = IRQ_IOP33X_UART0,
38 .uartclk = IOP33X_UART_XTAL,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]39 .regshift = 2,
40 .iotype = UPIO_MEM,
41 .flags = UPF_SKIP_TEST,
42 },
43 { },
44};
45
46static struct resource iop33x_uart0_resources[] = {
47 [0] = {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]48 .start = IOP33X_UART0_PHYS,
49 .end = IOP33X_UART0_PHYS + 0x3f,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]50 .flags = IORESOURCE_MEM,
51 },
52 [1] = {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]53 .start = IRQ_IOP33X_UART0,
54 .end = IRQ_IOP33X_UART0,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]55 .flags = IORESOURCE_IRQ,
56 },
57};
58
59struct platform_device iop33x_uart0_device = {
60 .name = "serial8250",
61 .id = PLAT8250_DEV_PLATFORM,
62 .dev = {
63 .platform_data = iop33x_uart0_data,
64 },
65 .num_resources = 2,
66 .resource = iop33x_uart0_resources,
67};
68
69
70static struct resource iop33x_uart1_resources[] = {
71 [0] = {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]72 .start = IOP33X_UART1_PHYS,
73 .end = IOP33X_UART1_PHYS + 0x3f,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]74 .flags = IORESOURCE_MEM,
75 },
76 [1] = {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]77 .start = IRQ_IOP33X_UART1,
78 .end = IRQ_IOP33X_UART1,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]79 .flags = IORESOURCE_IRQ,
80 },
81};
82
83static struct plat_serial8250_port iop33x_uart1_data[] = {
84 {
Lennert Buytenhekc852ac82006-09-18 23:26:25 +0100[diff] [blame]85 .membase = (char *)IOP33X_UART1_VIRT,
86 .mapbase = IOP33X_UART1_PHYS,
87 .irq = IRQ_IOP33X_UART1,
88 .uartclk = IOP33X_UART_XTAL,
Lennert Buytenhekc680b772006-09-18 23:24:52 +0100[diff] [blame]89 .regshift = 2,
90 .iotype = UPIO_MEM,
91 .flags = UPF_SKIP_TEST,
92 },
93 { },
94};
95
96struct platform_device iop33x_uart1_device = {
97 .name = "serial8250",
98 .id = PLAT8250_DEV_PLATFORM1,
99 .dev = {
100 .platform_data = iop33x_uart1_data,
101 },
102 .num_resources = 2,
103 .resource = iop33x_uart1_resources,
104};