summaryrefslogtreecommitdiff
path: root/arch/mips/loongson1/common/prom.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/loongson1/common/prom.c')
-rw-r--r--arch/mips/loongson1/common/prom.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/mips/loongson1/common/prom.c b/arch/mips/loongson1/common/prom.c
deleted file mode 100644
index 68600980e..000000000
--- a/arch/mips/loongson1/common/prom.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- *
- * Modified from arch/mips/pnx833x/common/prom.c.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/serial_reg.h>
-#include <asm/bootinfo.h>
-
-#include <loongson1.h>
-#include <prom.h>
-
-int prom_argc;
-char **prom_argv, **prom_envp;
-unsigned long memsize, highmemsize;
-
-char *prom_getenv(char *envname)
-{
- char **env = prom_envp;
- int i;
-
- i = strlen(envname);
-
- while (*env) {
- if (strncmp(envname, *env, i) == 0 && *(*env + i) == '=')
- return *env + i + 1;
- env++;
- }
-
- return 0;
-}
-
-static inline unsigned long env_or_default(char *env, unsigned long dfl)
-{
- char *str = prom_getenv(env);
- return str ? simple_strtol(str, 0, 0) : dfl;
-}
-
-void __init prom_init_cmdline(void)
-{
- char *c = &(arcs_cmdline[0]);
- int i;
-
- for (i = 1; i < prom_argc; i++) {
- strcpy(c, prom_argv[i]);
- c += strlen(prom_argv[i]);
- if (i < prom_argc - 1)
- *c++ = ' ';
- }
- *c = 0;
-}
-
-void __init prom_init(void)
-{
- void __iomem *uart_base;
- prom_argc = fw_arg0;
- prom_argv = (char **)fw_arg1;
- prom_envp = (char **)fw_arg2;
-
- prom_init_cmdline();
-
- memsize = env_or_default("memsize", DEFAULT_MEMSIZE);
- highmemsize = env_or_default("highmemsize", 0x0);
-
- if (strstr(arcs_cmdline, "console=ttyS3"))
- uart_base = ioremap_nocache(LS1X_UART3_BASE, 0x0f);
- else if (strstr(arcs_cmdline, "console=ttyS2"))
- uart_base = ioremap_nocache(LS1X_UART2_BASE, 0x0f);
- else if (strstr(arcs_cmdline, "console=ttyS1"))
- uart_base = ioremap_nocache(LS1X_UART1_BASE, 0x0f);
- else
- uart_base = ioremap_nocache(LS1X_UART0_BASE, 0x0f);
- setup_8250_early_printk_port((unsigned long)uart_base, 0, 0);
-}
-
-void __init prom_free_prom_memory(void)
-{
-}