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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2019-08-19 22:23:09 +0800 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-08-23 14:47:16 +0100 |
| commit | b3c948e2c00f561b22a9865a9b9b952072973285 (patch) | |
| tree | 73fe09bbc6a95e21d99641ba6dce5080123228d2 | |
| parent | 79fd0fe44731188054b6f4c433b5f805217a396c (diff) | |
| download | linux-stable-b3c948e2c00f561b22a9865a9b9b952072973285.tar.gz linux-stable-b3c948e2c00f561b22a9865a9b9b952072973285.tar.bz2 linux-stable-b3c948e2c00f561b22a9865a9b9b952072973285.zip | |
MIPS: msp: Record prom memory
boot_mem_map is nolonger exist so we need to maintain a list
of prom memory by ourselves
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: yasha.che3@gmail.com
Cc: aurelien@aurel32.net
Cc: sfr@canb.auug.org.au
Cc: fancer.lancer@gmail.com
Cc: matt.redfearn@mips.com
Cc: chenhc@lemote.com
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_prom.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/mips/pmcs-msp71xx/msp_prom.c b/arch/mips/pmcs-msp71xx/msp_prom.c index 6fdcb3d6fbb5..dfb527961a27 100644 --- a/arch/mips/pmcs-msp71xx/msp_prom.c +++ b/arch/mips/pmcs-msp71xx/msp_prom.c @@ -61,6 +61,10 @@ int init_debug = 1; /* memory blocks */ struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; +static phys_addr_t prom_mem_base[MAX_PROM_MEM] __initdata; +static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata; +static unsigned int nr_prom_mem __initdata; + /* default feature sets */ static char msp_default_features[] = #if defined(CONFIG_PMC_MSP4200_EVAL) \ @@ -352,6 +356,16 @@ void __init prom_meminit(void) add_memory_region(base, size, type); p++; + + if (type == BOOT_MEM_ROM_DATA) { + if (nr_prom_mem >= 5) { + pr_err("Too many ROM DATA regions"); + continue; + } + prom_mem_base[nr_prom_mem] = base; + prom_mem_size[nr_prom_mem] = size; + nr_prom_mem++; + } } } @@ -407,13 +421,9 @@ void __init prom_free_prom_memory(void) envp[i] = NULL; /* end array with null pointer */ prom_envp = envp; - for (i = 0; i < boot_mem_map.nr_map; i++) { - if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) - continue; - - addr = boot_mem_map.map[i].addr; + for (i = 0; i < nr_prom_mem; i++) { free_init_pages("prom memory", - addr, addr + boot_mem_map.map[i].size); + prom_mem_base[i], prom_mem_base[i] + prom_mem_size[i]); } } |