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authorPaul Mundt <lethal@linux-sh.org>2006-09-27 03:48:46 -0400
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 03:48:46 -0400
commitade2b3f6ed199dc4a7a0be53edf20f9399023640 (patch)
tree839523b6b551e44e1c37669d74d664974d50a3a4 /arch/sh/boards
parenta3e61d50dc82475ebca3ff8b18c174c02c5ff511 (diff)
sh: VoyagerGX cleanups and 8250 UART support.
This adds the VoyagerGX UART to the RTS7751R2D setup code, and cleans up a few build issues. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/renesas/rts7751r2d/setup.c77
1 files changed, 69 insertions, 8 deletions
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index 60907f574f34..f6ce7021feba 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -1,18 +1,76 @@
1/* 1/*
2 * linux/arch/sh/kernel/setup_rts7751r2d.c
3 *
4 * Copyright (C) 2000 Kazumoto Kojima
5 *
6 * Renesas Technology Sales RTS7751R2D Support. 2 * Renesas Technology Sales RTS7751R2D Support.
7 * 3 *
8 * Modified for RTS7751R2D by 4 * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
9 * Atom Create Engineering Co., Ltd. 2002. 5 * Copyright (C) 2004 - 2006 Paul Mundt
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */ 10 */
11
12#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/platform_device.h>
13#include <linux/serial_8250.h>
13#include <linux/pm.h> 14#include <linux/pm.h>
14#include <asm/io.h> 15#include <asm/io.h>
15#include <asm/rts7751r2d/rts7751r2d.h> 16#include <asm/mach/rts7751r2d.h>
17#include <asm/mach/voyagergx_reg.h>
18
19static struct plat_serial8250_port uart_platform_data[] = {
20 {
21 .membase = (void *)VOYAGER_UART_BASE,
22 .mapbase = VOYAGER_UART_BASE,
23 .iotype = UPIO_MEM,
24 .irq = VOYAGER_UART0_IRQ,
25 .flags = UPF_BOOT_AUTOCONF,
26 .regshift = 2,
27 .uartclk = (9600 * 16),
28 }, {
29 .flags = 0,
30 },
31};
32
33static void __init voyagergx_serial_init(void)
34{
35 unsigned long val;
36
37 /*
38 * GPIO Control
39 */
40 val = inl(GPIO_MUX_HIGH);
41 val |= 0x00001fe0;
42 outl(val, GPIO_MUX_HIGH);
43
44 /*
45 * Power Mode Gate
46 */
47 val = inl(POWER_MODE0_GATE);
48 val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
49 outl(val, POWER_MODE0_GATE);
50
51 val = inl(POWER_MODE1_GATE);
52 val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
53 outl(val, POWER_MODE1_GATE);
54}
55
56static struct platform_device uart_device = {
57 .name = "serial8250",
58 .id = -1,
59 .dev = {
60 .platform_data = uart_platform_data,
61 },
62};
63
64static struct platform_device *rts7751r2d_devices[] __initdata = {
65 &uart_device,
66};
67
68static int __init rts7751r2d_devices_setup(void)
69{
70 return platform_add_devices(rts7751r2d_devices,
71 ARRAY_SIZE(rts7751r2d_devices));
72}
73__initcall(rts7751r2d_devices_setup);
16 74
17const char *get_system_type(void) 75const char *get_system_type(void)
18{ 76{
@@ -32,4 +90,7 @@ void __init platform_setup(void)
32 printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); 90 printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
33 ctrl_outw(0x0000, PA_OUTPORT); 91 ctrl_outw(0x0000, PA_OUTPORT);
34 pm_power_off = rts7751r2d_power_off; 92 pm_power_off = rts7751r2d_power_off;
93
94 voyagergx_serial_init();
95
35} 96}