diff --git a/arch/mips/include/asm/mach-loongson2ef/loongson.h b/arch/mips/include/asm/mach-loongson2ef/loongson.h
index 8ed460a64d1007a70041e2d2f4559f2202ded6aa..622456539addc0f0af2f835b7602cacca6766680 100644
--- a/arch/mips/include/asm/mach-loongson2ef/loongson.h
+++ b/arch/mips/include/asm/mach-loongson2ef/loongson.h
@@ -25,7 +25,6 @@ extern const struct plat_smp_ops loongson3_smp_ops;
/* loongson-specific command line, env and memory initialization */
extern void __init prom_init_memory(void);
-extern void __init prom_init_cmdline(void);
extern void __init prom_init_machtype(void);
extern void __init prom_init_env(void);
#ifdef CONFIG_LOONGSON_UART_BASE
diff --git a/arch/mips/include/asm/mach-loongson32/prom.h b/arch/mips/include/asm/mach-loongson32/prom.h
deleted file mode 100644
index cb789f18d7902398515d670f14cf717e26bf3a1e..0000000000000000000000000000000000000000
--- a/arch/mips/include/asm/mach-loongson32/prom.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- */
-
-#ifndef __ASM_MACH_LOONGSON32_PROM_H
-#define __ASM_MACH_LOONGSON32_PROM_H
-
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-
-/* environment arguments from bootloader */
-extern unsigned long memsize, highmemsize;
-
-/* loongson-specific command line, env and memory initialization */
-extern char *prom_getenv(char *name);
-extern void __init prom_init_cmdline(void);
-
-#endif /* __ASM_MACH_LOONGSON32_PROM_H */
diff --git a/arch/mips/include/asm/mach-loongson64/loongson.h b/arch/mips/include/asm/mach-loongson64/loongson.h
index bc00c2d88225be6a788ee5fa2ee99fb3ea62a476..a8fce112a9b00e9d438a654eb4cec7fa2eab74ab 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson.h
@@ -24,7 +24,6 @@ extern const struct plat_smp_ops loongson3_smp_ops;
/* loongson-specific command line, env and memory initialization */
extern void __init prom_init_memory(void);
-extern void __init prom_init_cmdline(void);
extern void __init prom_init_env(void);
/* irq operation functions */
diff --git a/arch/mips/loongson2ef/common/Makefile b/arch/mips/loongson2ef/common/Makefile
index 684624f61f5a5235c032a0dd028da740f1b5a27a..10dd009a20a03bca8d48255e5d4a2e950123a706 100644
--- a/arch/mips/loongson2ef/common/Makefile
+++ b/arch/mips/loongson2ef/common/Makefile
@@ -3,7 +3,7 @@
# Makefile for loongson based machines.
#
-obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
+obj-y += setup.o init.o env.o time.o reset.o irq.o \
bonito-irq.o mem.o machtype.o platform.o serial.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/mips/loongson2ef/common/cmdline.c b/arch/mips/loongson2ef/common/cmdline.c
deleted file mode 100644
index a735460682cf3c20920c9294d01d8f868c289438..0000000000000000000000000000000000000000
--- a/arch/mips/loongson2ef/common/cmdline.c
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Based on Ocelot Linux port, which is
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * Copyright 2003 ICT CAS
- * Author: Michael Guo <guoyi@ict.ac.cn>
- *
- * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- *
- * Copyright (C) 2009 Lemote Inc.
- * Author: Wu Zhangjin, wuzhangjin@gmail.com
- */
-#include <asm/bootinfo.h>
-
-#include <loongson.h>
-
-void __init prom_init_cmdline(void)
-{
- int prom_argc;
- /* pmon passes arguments in 32bit pointers */
- int *_prom_argv;
- int i;
- long l;
-
- /* firmware arguments are initialized in head.S */
- prom_argc = fw_arg0;
- _prom_argv = (int *)fw_arg1;
-
- /* arg[0] is "g", the rest is boot parameters */
- arcs_cmdline[0] = '\0';
- for (i = 1; i < prom_argc; i++) {
- l = (long)_prom_argv[i];
- if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, ((char *)l));
- strcat(arcs_cmdline, " ");
- }
-
- prom_init_machtype();
-}
diff --git a/arch/mips/loongson2ef/common/env.c b/arch/mips/loongson2ef/common/env.c
index 29c5fecb8282799c011d78b5bc4acadaf1fbac40..6f20bdf9b2420c436c1d4db81a7a9bd9d2676551 100644
--- a/arch/mips/loongson2ef/common/env.c
+++ b/arch/mips/loongson2ef/common/env.c
@@ -15,39 +15,21 @@
*/
#include <linux/export.h>
#include <asm/bootinfo.h>
+#include <asm/fw/fw.h>
#include <loongson.h>
u32 cpu_clock_freq;
EXPORT_SYMBOL(cpu_clock_freq);
-unsigned long long smp_group[4];
-
-#define parse_even_earlier(res, option, p) \
-do { \
- unsigned int tmp __maybe_unused; \
- \
- if (strncmp(option, (char *)p, strlen(option)) == 0) \
- tmp = kstrtou32((char *)p + strlen(option"="), 10, &res); \
-} while (0)
-
void __init prom_init_env(void)
{
/* pmon passes arguments in 32bit pointers */
unsigned int processor_id;
- int *_prom_envp;
- long l;
- /* firmware arguments are initialized in head.S */
- _prom_envp = (int *)fw_arg2;
+ cpu_clock_freq = fw_getenvl("cpuclock");
+ memsize = fw_getenvl("memsize");
+ highmemsize = fw_getenvl("highmemsize");
- l = (long)*_prom_envp;
- while (l != 0) {
- parse_even_earlier(cpu_clock_freq, "cpuclock", l);
- parse_even_earlier(memsize, "memsize", l);
- parse_even_earlier(highmemsize, "highmemsize", l);
- _prom_envp++;
- l = (long)*_prom_envp;
- }
if (memsize == 0)
memsize = 256;
diff --git a/arch/mips/loongson2ef/common/init.c b/arch/mips/loongson2ef/common/init.c
index a4543036572951e0d0ca7d2c018dd4be105334f3..dab3ffda8b145c28cf1f7b52c35773f7d65e22a4 100644
--- a/arch/mips/loongson2ef/common/init.c
+++ b/arch/mips/loongson2ef/common/init.c
@@ -9,6 +9,7 @@
#include <asm/traps.h>
#include <asm/smp-ops.h>
#include <asm/cacheflush.h>
+#include <asm/fw/fw.h>
#include <loongson.h>
@@ -32,7 +33,8 @@ void __init prom_init(void)
ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
#endif
- prom_init_cmdline();
+ fw_init_cmdline();
+ prom_init_machtype();
prom_init_env();
/* init base address of io space */
diff --git a/arch/mips/loongson32/common/prom.c b/arch/mips/loongson32/common/prom.c
index c4e043ee53ff8a625f5c23a98592f8d24c74682d..73dd251424843c1f343b6e609a9d72023ab8be09 100644
--- a/arch/mips/loongson32/common/prom.c
+++ b/arch/mips/loongson32/common/prom.c
@@ -5,63 +5,25 @@
* Modified from arch/mips/pnx833x/common/prom.c.
*/
+#include <linux/io.h>
+#include <linux/init.h>
#include <linux/serial_reg.h>
#include <asm/bootinfo.h>
+#include <asm/fw/fw.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;
-}
+unsigned long memsize;
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();
+ fw_init_cmdline();
- memsize = env_or_default("memsize", DEFAULT_MEMSIZE);
- highmemsize = env_or_default("highmemsize", 0x0);
+ memsize = fw_getenvl("memsize");
+ if(!memsize)
+ memsize = DEFAULT_MEMSIZE;
if (strstr(arcs_cmdline, "console=ttyS3"))
uart_base = ioremap_nocache(LS1X_UART3_BASE, 0x0f);
@@ -77,3 +39,8 @@ void __init prom_init(void)
void __init prom_free_prom_memory(void)
{
}
+
+void __init plat_mem_setup(void)
+{
+ add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
+}
diff --git a/arch/mips/loongson32/common/setup.c b/arch/mips/loongson32/common/setup.c
index 8b03e18fc4d8f59ab71bff640e39042736e5ef7a..4733fe037176f9886aa74ee66fc6af9deb139be1 100644
--- a/arch/mips/loongson32/common/setup.c
+++ b/arch/mips/loongson32/common/setup.c
@@ -3,15 +3,12 @@
* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
*/
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <asm/cpu-info.h>
#include <asm/bootinfo.h>
-#include <prom.h>
-
-void __init plat_mem_setup(void)
-{
- add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
-}
-
const char *get_system_type(void)
{
unsigned int processor_id = (¤t_cpu_data)->processor_id;
diff --git a/arch/mips/loongson64/Makefile b/arch/mips/loongson64/Makefile
index 0b3c65b52965ebc82a0dc643f07654d86735f492..7821891bc5d0ae8c3181b20534a4ba5a8e97e6ba 100644
--- a/arch/mips/loongson64/Makefile
+++ b/arch/mips/loongson64/Makefile
@@ -3,7 +3,7 @@
# Makefile for Loongson-3 family machines
#
obj-$(CONFIG_MACH_LOONGSON64) += irq.o cop2-ex.o platform.o acpi_init.o dma.o \
- setup.o init.o cmdline.o env.o time.o reset.o \
+ setup.o init.o env.o time.o reset.o \
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_NUMA) += numa.o
diff --git a/arch/mips/loongson64/cmdline.c b/arch/mips/loongson64/cmdline.c
deleted file mode 100644
index fb1644b0147103abb3ab7b314d5ae0bf74e1d4ea..0000000000000000000000000000000000000000
--- a/arch/mips/loongson64/cmdline.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Based on Ocelot Linux port, which is
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * Copyright 2003 ICT CAS
- * Author: Michael Guo <guoyi@ict.ac.cn>
- *
- * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- *
- * Copyright (C) 2009 Lemote Inc.
- * Author: Wu Zhangjin, wuzhangjin@gmail.com
- */
-#include <asm/bootinfo.h>
-
-#include <loongson.h>
-
-void __init prom_init_cmdline(void)
-{
- int prom_argc;
- /* pmon passes arguments in 32bit pointers */
- int *_prom_argv;
- int i;
- long l;
-
- /* firmware arguments are initialized in head.S */
- prom_argc = fw_arg0;
- _prom_argv = (int *)fw_arg1;
-
- /* arg[0] is "g", the rest is boot parameters */
- arcs_cmdline[0] = '\0';
- for (i = 1; i < prom_argc; i++) {
- l = (long)_prom_argv[i];
- if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, ((char *)l));
- strcat(arcs_cmdline, " ");
- }
-}
diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c
index 48b44f415059e1a988ecdeac809f45d57fe6ea5d..5ac1a0f35ca4790449f9eb4531b76cd51743967e 100644
--- a/arch/mips/loongson64/init.c
+++ b/arch/mips/loongson64/init.c
@@ -9,6 +9,7 @@
#include <asm/traps.h>
#include <asm/smp-ops.h>
#include <asm/cacheflush.h>
+#include <asm/fw/fw.h>
#include <loongson.h>
@@ -24,7 +25,7 @@ static void __init mips_nmi_setup(void)
void __init prom_init(void)
{
- prom_init_cmdline();
+ fw_init_cmdline();
prom_init_env();
/* init base address of io space */