diff options
Diffstat (limited to 'arch/sh/kernel/early_printk.c')
-rw-r--r-- | arch/sh/kernel/early_printk.c | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index a00022722e9e..60340823798a 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c | |||
@@ -12,7 +12,7 @@ | |||
12 | #include <linux/console.h> | 12 | #include <linux/console.h> |
13 | #include <linux/tty.h> | 13 | #include <linux/tty.h> |
14 | #include <linux/init.h> | 14 | #include <linux/init.h> |
15 | #include <asm/io.h> | 15 | #include <linux/io.h> |
16 | 16 | ||
17 | #ifdef CONFIG_SH_STANDARD_BIOS | 17 | #ifdef CONFIG_SH_STANDARD_BIOS |
18 | #include <asm/sh_bios.h> | 18 | #include <asm/sh_bios.h> |
@@ -62,17 +62,9 @@ static struct console bios_console = { | |||
62 | #include <linux/serial_core.h> | 62 | #include <linux/serial_core.h> |
63 | #include "../../../drivers/serial/sh-sci.h" | 63 | #include "../../../drivers/serial/sh-sci.h" |
64 | 64 | ||
65 | #ifdef CONFIG_CPU_SH4 | ||
66 | #define SCIF_REG 0xffe80000 | ||
67 | #elif defined(CONFIG_CPU_SUBTYPE_SH72060) | ||
68 | #define SCIF_REG 0xfffe9800 | ||
69 | #else | ||
70 | #error "Undefined SCIF for this subtype" | ||
71 | #endif | ||
72 | |||
73 | static struct uart_port scif_port = { | 65 | static struct uart_port scif_port = { |
74 | .mapbase = SCIF_REG, | 66 | .mapbase = CONFIG_EARLY_SCIF_CONSOLE_PORT, |
75 | .membase = (char __iomem *)SCIF_REG, | 67 | .membase = (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT, |
76 | }; | 68 | }; |
77 | 69 | ||
78 | static void scif_sercon_putc(int c) | 70 | static void scif_sercon_putc(int c) |
@@ -113,23 +105,29 @@ static struct console scif_console = { | |||
113 | .index = -1, | 105 | .index = -1, |
114 | }; | 106 | }; |
115 | 107 | ||
108 | #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) | ||
109 | /* | ||
110 | * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4 | ||
111 | * devices that aren't using sh-ipl+g. | ||
112 | */ | ||
116 | static void scif_sercon_init(int baud) | 113 | static void scif_sercon_init(int baud) |
117 | { | 114 | { |
118 | ctrl_outw(0, SCIF_REG + 8); | 115 | ctrl_outw(0, scif_port.mapbase + 8); |
119 | ctrl_outw(0, SCIF_REG); | 116 | ctrl_outw(0, scif_port.mapbase); |
120 | 117 | ||
121 | /* Set baud rate */ | 118 | /* Set baud rate */ |
122 | ctrl_outb((CONFIG_SH_PCLK_FREQ + 16 * baud) / | 119 | ctrl_outb((CONFIG_SH_PCLK_FREQ + 16 * baud) / |
123 | (32 * baud) - 1, SCIF_REG + 4); | 120 | (32 * baud) - 1, scif_port.mapbase + 4); |
124 | 121 | ||
125 | ctrl_outw(12, SCIF_REG + 24); | 122 | ctrl_outw(12, scif_port.mapbase + 24); |
126 | ctrl_outw(8, SCIF_REG + 24); | 123 | ctrl_outw(8, scif_port.mapbase + 24); |
127 | ctrl_outw(0, SCIF_REG + 32); | 124 | ctrl_outw(0, scif_port.mapbase + 32); |
128 | ctrl_outw(0x60, SCIF_REG + 16); | 125 | ctrl_outw(0x60, scif_port.mapbase + 16); |
129 | ctrl_outw(0, SCIF_REG + 36); | 126 | ctrl_outw(0, scif_port.mapbase + 36); |
130 | ctrl_outw(0x30, SCIF_REG + 8); | 127 | ctrl_outw(0x30, scif_port.mapbase + 8); |
131 | } | 128 | } |
132 | #endif | 129 | #endif /* CONFIG_CPU_SH4 && !CONFIG_SH_STANDARD_BIOS */ |
130 | #endif /* CONFIG_EARLY_SCIF_CONSOLE */ | ||
133 | 131 | ||
134 | /* | 132 | /* |
135 | * Setup a default console, if more than one is compiled in, rely on the | 133 | * Setup a default console, if more than one is compiled in, rely on the |
@@ -168,7 +166,7 @@ int __init setup_early_printk(char *opt) | |||
168 | if (!strncmp(buf, "serial", 6)) { | 166 | if (!strncmp(buf, "serial", 6)) { |
169 | early_console = &scif_console; | 167 | early_console = &scif_console; |
170 | 168 | ||
171 | #ifdef CONFIG_CPU_SH4 | 169 | #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) |
172 | scif_sercon_init(115200); | 170 | scif_sercon_init(115200); |
173 | #endif | 171 | #endif |
174 | } | 172 | } |