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authorSteven J. Hill <Steven.Hill@imgtec.com>2013-03-25 14:35:30 -0500
committerRalf Baechle <ralf@linux-mips.org>2013-05-08 12:30:09 +0200
commit0be2abbceeb837bf938c85db03142b5b0e4675f4 (patch)
treefe0a9776b3dc8402c16c2f381a896dcb4f784515 /arch/mips/mti-sead3/sead3-init.c
parentMIPS: FW: Add environment variable processing. (diff)
downloadlinux-dev-0be2abbceeb837bf938c85db03142b5b0e4675f4.tar.xz
linux-dev-0be2abbceeb837bf938c85db03142b5b0e4675f4.zip
MIPS: FW: sead3: Use new common FW library variable processing.
Remove old YAMON prom code and use common firmware library code. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Diffstat (limited to 'arch/mips/mti-sead3/sead3-init.c')
-rw-r--r--arch/mips/mti-sead3/sead3-init.c81
1 files changed, 46 insertions, 35 deletions
diff --git a/arch/mips/mti-sead3/sead3-init.c b/arch/mips/mti-sead3/sead3-init.c
index f95abaa1aa5d..357c0e105600 100644
--- a/arch/mips/mti-sead3/sead3-init.c
+++ b/arch/mips/mti-sead3/sead3-init.c
@@ -13,37 +13,51 @@
#include <asm/traps.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/prom.h>
-
-extern void prom_init_early_console(char port);
+#include <asm/fw/fw.h>
extern char except_vec_nmi;
extern char except_vec_ejtag_debug;
-int prom_argc;
-int *_prom_argv, *_prom_envp;
-
-#define prom_envp(index) ((char *)(long)_prom_envp[(index)])
-
-char *prom_getenv(char *envname)
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static void __init console_config(void)
{
- /*
- * Return a pointer to the given environment variable.
- * In 64-bit mode: we're using 64-bit pointers, but all pointers
- * in the PROM structures are only 32-bit, so we need some
- * workarounds, if we are running in 64-bit mode.
- */
- int i, index = 0;
-
- i = strlen(envname);
-
- while (prom_envp(index)) {
- if (strncmp(envname, prom_envp(index), i) == 0)
- return prom_envp(index+1);
- index += 2;
+ char console_string[40];
+ int baud = 0;
+ char parity = '\0', bits = '\0', flow = '\0';
+ char *s;
+
+ if ((strstr(fw_getcmdline(), "console=")) == NULL) {
+ s = fw_getenv("modetty0");
+ if (s) {
+ while (*s >= '0' && *s <= '9')
+ baud = baud*10 + *s++ - '0';
+ if (*s == ',')
+ s++;
+ if (*s)
+ parity = *s++;
+ if (*s == ',')
+ s++;
+ if (*s)
+ bits = *s++;
+ if (*s == ',')
+ s++;
+ if (*s == 'h')
+ flow = 'r';
+ }
+ if (baud == 0)
+ baud = 38400;
+ if (parity != 'n' && parity != 'o' && parity != 'e')
+ parity = 'n';
+ if (bits != '7' && bits != '8')
+ bits = '8';
+ if (flow == '\0')
+ flow = 'r';
+ sprintf(console_string, " console=ttyS0,%d%c%c%c", baud,
+ parity, bits, flow);
+ strcat(fw_getcmdline(), console_string);
}
-
- return NULL;
}
+#endif
static void __init mips_nmi_setup(void)
{
@@ -69,23 +83,20 @@ static void __init mips_ejtag_setup(void)
void __init prom_init(void)
{
- prom_argc = fw_arg0;
- _prom_argv = (int *) fw_arg1;
- _prom_envp = (int *) fw_arg2;
-
board_nmi_handler_setup = mips_nmi_setup;
board_ejtag_handler_setup = mips_ejtag_setup;
- prom_init_cmdline();
+ fw_init_cmdline();
#ifdef CONFIG_EARLY_PRINTK
- if ((strstr(prom_getcmdline(), "console=ttyS0")) != NULL)
- prom_init_early_console(0);
- else if ((strstr(prom_getcmdline(), "console=ttyS1")) != NULL)
- prom_init_early_console(1);
+ if ((strstr(fw_getcmdline(), "console=ttyS0")) != NULL)
+ fw_init_early_console(0);
+ else if ((strstr(fw_getcmdline(), "console=ttyS1")) != NULL)
+ fw_init_early_console(1);
#endif
#ifdef CONFIG_SERIAL_8250_CONSOLE
- if ((strstr(prom_getcmdline(), "console=")) == NULL)
- strcat(prom_getcmdline(), " console=ttyS0,38400n8r");
+ if ((strstr(fw_getcmdline(), "console=")) == NULL)
+ strcat(fw_getcmdline(), " console=ttyS0,38400n8r");
+ console_config();
#endif
}