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| author | Shane McDonald <mcdonald.shane@gmail.com> | 2009-04-29 01:00:27 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-05-14 14:50:29 +0200 |
| commit | 5c5dd1d29120affb127955277bfba9f60e27a3fe (patch) | |
| tree | bcbb4af82d949b7eef66cc23bbc211b80a5ef4aa /arch/mips | |
| parent | MIPS: Use -mno-check-zero-division (diff) | |
| download | linux-5c5dd1d29120affb127955277bfba9f60e27a3fe.tar.xz linux-5c5dd1d29120affb127955277bfba9f60e27a3fe.zip | |
MIPS: MSP71xx: Remove the RAMROOT functions
The RAMROOT function was a successful but non-portable attempt to append
the root filesystem to the end of the kernel image. The preferred and
portable solution is to use an initramfs instead.
Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/pmc-sierra/Kconfig | 12 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_prom.c | 60 |
2 files changed, 1 insertions, 71 deletions
diff --git a/arch/mips/pmc-sierra/Kconfig b/arch/mips/pmc-sierra/Kconfig index 90261b83db04..c139988bb85d 100644 --- a/arch/mips/pmc-sierra/Kconfig +++ b/arch/mips/pmc-sierra/Kconfig @@ -36,18 +36,6 @@ config PMC_MSP7120_FPGA endchoice -menu "Options for PMC-Sierra MSP chipsets" - depends on PMC_MSP - -config PMC_MSP_EMBEDDED_ROOTFS - bool "Root filesystem embedded in kernel image" - select MTD - select MTD_BLOCK - select MTD_PMC_MSP_RAMROOT - select MTD_RAM - -endmenu - config HYPERTRANSPORT bool "Hypertransport Support for PMC-Sierra Yosemite" depends on PMC_YOSEMITE diff --git a/arch/mips/pmc-sierra/msp71xx/msp_prom.c b/arch/mips/pmc-sierra/msp71xx/msp_prom.c index e5bd5481d8db..c317a3623ce9 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_prom.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_prom.c @@ -40,12 +40,6 @@ #include <linux/string.h> #include <linux/interrupt.h> #include <linux/mm.h> -#ifdef CONFIG_CRAMFS -#include <linux/cramfs_fs.h> -#endif -#ifdef CONFIG_SQUASHFS -#include <linux/squashfs_fs.h> -#endif #include <asm/addrspace.h> #include <asm/bootinfo.h> @@ -435,10 +429,6 @@ struct prom_pmemblock *__init prom_getmdesc(void) char *str; unsigned int memsize; unsigned int heaptop; -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT - void *ramroot_start; - unsigned long ramroot_size; -#endif int i; str = prom_getenv(memsz_env); @@ -506,19 +496,7 @@ struct prom_pmemblock *__init prom_getmdesc(void) i++; /* 3 */ mdesc[i].type = BOOT_MEM_RESERVED; mdesc[i].base = CPHYSADDR((u32)_text); -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT - if (get_ramroot(&ramroot_start, &ramroot_size)) { - /* - * Rootfs in RAM -- follows kernel - * Combine rootfs image with kernel block so a - * page (4k) isn't wasted between memory blocks - */ - mdesc[i].size = CPHYSADDR(PAGE_ALIGN( - (u32)ramroot_start + ramroot_size)) - mdesc[i].base; - } else -#endif - mdesc[i].size = CPHYSADDR(PAGE_ALIGN( - (u32)_end)) - mdesc[i].base; + mdesc[i].size = CPHYSADDR(PAGE_ALIGN((u32)_end)) - mdesc[i].base; /* Remainder of RAM -- under memsize */ i++; /* 5 */ @@ -528,39 +506,3 @@ struct prom_pmemblock *__init prom_getmdesc(void) return &mdesc[0]; } - -/* rootfs functions */ -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT -bool get_ramroot(void **start, unsigned long *size) -{ - extern char _end[]; - - /* Check for start following the end of the kernel */ - void *check_start = (void *)_end; - - /* Check for supported rootfs types */ -#ifdef CONFIG_CRAMFS - if (*(__u32 *)check_start == CRAMFS_MAGIC) { - /* Get CRAMFS size */ - *start = check_start; - *size = PAGE_ALIGN(((struct cramfs_super *) - check_start)->size); - - return true; - } -#endif -#ifdef CONFIG_SQUASHFS - if (*((unsigned int *)check_start) == SQUASHFS_MAGIC) { - /* Get SQUASHFS size */ - *start = check_start; - *size = PAGE_ALIGN(((struct squashfs_super_block *) - check_start)->bytes_used); - - return true; - } -#endif - - return false; -} -EXPORT_SYMBOL(get_ramroot); -#endif |