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Diffstat (limited to 'arch/mips/ath79/prom.c')
-rw-r--r--arch/mips/ath79/prom.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/arch/mips/ath79/prom.c b/arch/mips/ath79/prom.c
index e9cbd7c2918f..e1fe63051136 100644
--- a/arch/mips/ath79/prom.c
+++ b/arch/mips/ath79/prom.c
@@ -13,42 +13,24 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/string.h>
+#include <linux/initrd.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
+#include <asm/fw/fw.h>
#include "common.h"
-static inline int is_valid_ram_addr(void *addr)
-{
- if (((u32) addr > KSEG0) &&
- ((u32) addr < (KSEG0 + ATH79_MEM_SIZE_MAX)))
- return 1;
-
- if (((u32) addr > KSEG1) &&
- ((u32) addr < (KSEG1 + ATH79_MEM_SIZE_MAX)))
- return 1;
-
- return 0;
-}
-
-static __init void ath79_prom_init_cmdline(int argc, char **argv)
-{
- int i;
-
- if (!is_valid_ram_addr(argv))
- return;
-
- for (i = 0; i < argc; i++)
- if (is_valid_ram_addr(argv[i])) {
- strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
- strlcat(arcs_cmdline, argv[i], sizeof(arcs_cmdline));
- }
-}
-
void __init prom_init(void)
{
- ath79_prom_init_cmdline(fw_arg0, (char **)fw_arg1);
+ fw_init_cmdline();
+
+ /* Read the initrd address from the firmware environment */
+ initrd_start = fw_getenvl("initrd_start");
+ if (initrd_start) {
+ initrd_start = KSEG0ADDR(initrd_start);
+ initrd_end = initrd_start + fw_getenvl("initrd_size");
+ }
}
void __init prom_free_prom_memory(void)