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authorYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>2007-10-11 09:54:13 -0400
committerRalf Baechle <ralf@linux-mips.org>2007-10-11 18:46:19 -0400
commit2c4d13570d8e512cca65d159502622e1666ad4bd (patch)
tree29498acd98392dacd7ac9f0c6a8d1a039e08935b /arch/mips/gt64120
parent572afc248c33c902760f6f24a72c180f0e4f1719 (diff)
[MIPS] WRPPMC serial support move to platform device
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/gt64120')
-rw-r--r--arch/mips/gt64120/wrppmc/Makefile2
-rw-r--r--arch/mips/gt64120/wrppmc/serial.c80
-rw-r--r--arch/mips/gt64120/wrppmc/setup.c34
3 files changed, 81 insertions, 35 deletions
diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile
index bef15c90ae15..b49d282bee8a 100644
--- a/arch/mips/gt64120/wrppmc/Makefile
+++ b/arch/mips/gt64120/wrppmc/Makefile
@@ -9,6 +9,6 @@
9# Makefile for the Wind River MIPS 4KC PPMC Eval Board 9# Makefile for the Wind River MIPS 4KC PPMC Eval Board
10# 10#
11 11
12obj-y += irq.o reset.o setup.o time.o pci.o 12obj-y += irq.o pci.o reset.o serial.o setup.o time.o
13 13
14EXTRA_CFLAGS += -Werror 14EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/gt64120/wrppmc/serial.c b/arch/mips/gt64120/wrppmc/serial.c
new file mode 100644
index 000000000000..5ec1c2ffd3a5
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/serial.c
@@ -0,0 +1,80 @@
1/*
2 * Registration of WRPPMC UART platform device.
3 *
4 * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20#include <linux/errno.h>
21#include <linux/init.h>
22#include <linux/ioport.h>
23#include <linux/platform_device.h>
24#include <linux/serial_8250.h>
25
26#include <asm/gt64120.h>
27
28static struct resource wrppmc_uart_resource[] __initdata = {
29 {
30 .start = WRPPMC_UART16550_BASE,
31 .end = WRPPMC_UART16550_BASE + 7,
32 .flags = IORESOURCE_MEM,
33 },
34 {
35 .start = WRPPMC_UART16550_IRQ,
36 .end = WRPPMC_UART16550_IRQ,
37 .flags = IORESOURCE_IRQ,
38 },
39};
40
41static struct plat_serial8250_port wrppmc_serial8250_port[] = {
42 {
43 .irq = WRPPMC_UART16550_IRQ,
44 .uartclk = WRPPMC_UART16550_CLOCK,
45 .iotype = UPIO_MEM,
46 .flags = UPF_IOREMAP | UPF_SKIP_TEST,
47 .mapbase = WRPPMC_UART16550_BASE,
48 },
49 {},
50};
51
52static __init int wrppmc_uart_add(void)
53{
54 struct platform_device *pdev;
55 int retval;
56
57 pdev = platform_device_alloc("serial8250", -1);
58 if (!pdev)
59 return -ENOMEM;
60
61 pdev->id = PLAT8250_DEV_PLATFORM;
62 pdev->dev.platform_data = wrppmc_serial8250_port;
63
64 retval = platform_device_add_resources(pdev, wrppmc_uart_resource,
65 ARRAY_SIZE(wrppmc_uart_resource));
66 if (retval)
67 goto err_free_device;
68
69 retval = platform_device_add(pdev);
70 if (retval)
71 goto err_free_device;
72
73 return 0;
74
75err_free_device:
76 platform_device_put(pdev);
77
78 return retval;
79}
80device_initcall(wrppmc_uart_add);
diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c
index f2ccf101e6d9..51f6b7862460 100644
--- a/arch/mips/gt64120/wrppmc/setup.c
+++ b/arch/mips/gt64120/wrppmc/setup.c
@@ -11,10 +11,6 @@
11#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/string.h> 12#include <linux/string.h>
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/tty.h>
15#include <linux/serial.h>
16#include <linux/serial_core.h>
17#include <linux/serial_8250.h>
18#include <linux/pm.h> 14#include <linux/pm.h>
19 15
20#include <asm/io.h> 16#include <asm/io.h>
@@ -98,32 +94,6 @@ void __init prom_free_prom_memory(void)
98{ 94{
99} 95}
100 96
101#ifdef CONFIG_SERIAL_8250
102static void wrppmc_setup_serial(void)
103{
104 struct uart_port up;
105
106 memset(&up, 0x00, sizeof(struct uart_port));
107
108 /*
109 * A note about mapbase/membase
110 * -) mapbase is the physical address of the IO port.
111 * -) membase is an 'ioremapped' cookie.
112 */
113 up.line = 0;
114 up.type = PORT_16550;
115 up.iotype = UPIO_MEM;
116 up.mapbase = WRPPMC_UART16550_BASE;
117 up.membase = ioremap(up.mapbase, 8);
118 up.irq = WRPPMC_UART16550_IRQ;
119 up.uartclk = WRPPMC_UART16550_CLOCK;
120 up.flags = UPF_SKIP_TEST/* | UPF_BOOT_AUTOCONF */;
121 up.regshift = 0;
122
123 early_serial_setup(&up);
124}
125#endif
126
127void __init plat_mem_setup(void) 97void __init plat_mem_setup(void)
128{ 98{
129 extern void wrppmc_machine_restart(char *command); 99 extern void wrppmc_machine_restart(char *command);
@@ -138,10 +108,6 @@ void __init plat_mem_setup(void)
138 * physical address ( < KSEG0) can work via KSEG1 108 * physical address ( < KSEG0) can work via KSEG1
139 */ 109 */
140 set_io_port_base(KSEG1); 110 set_io_port_base(KSEG1);
141
142#ifdef CONFIG_SERIAL_8250
143 wrppmc_setup_serial();
144#endif
145} 111}
146 112
147const char *get_system_type(void) 113const char *get_system_type(void)