diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/nvram.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/nvram.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index ae54d7fe68f3..86989c5779c2 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -147,6 +147,11 @@ static ssize_t core99_nvram_size(void) static volatile unsigned char __iomem *nvram_addr; static int nvram_mult; +static ssize_t ppc32_nvram_size(void) +{ + return NVRAM_SIZE; +} + static unsigned char direct_nvram_read_byte(int addr) { return in_8(&nvram_data[(addr & (NVRAM_SIZE - 1)) * nvram_mult]); @@ -514,6 +519,9 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr) return -EINVAL; } nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES); + if (!nvram_image) + panic("%s: Failed to allocate %u bytes\n", __func__, + NVRAM_SIZE); nvram_data = ioremap(addr, NVRAM_SIZE*2); nvram_naddrs = 1; /* Make sure we get the correct case */ @@ -590,21 +598,25 @@ int __init pmac_nvram_init(void) nvram_mult = 1; ppc_md.nvram_read_val = direct_nvram_read_byte; ppc_md.nvram_write_val = direct_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 1) { nvram_data = ioremap(r1.start, s1); nvram_mult = (s1 + NVRAM_SIZE - 1) / NVRAM_SIZE; ppc_md.nvram_read_val = direct_nvram_read_byte; ppc_md.nvram_write_val = direct_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 2) { nvram_addr = ioremap(r1.start, s1); nvram_data = ioremap(r2.start, s2); ppc_md.nvram_read_val = indirect_nvram_read_byte; ppc_md.nvram_write_val = indirect_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 0 && sys_ctrler == SYS_CTRLER_PMU) { #ifdef CONFIG_ADB_PMU nvram_naddrs = -1; ppc_md.nvram_read_val = pmu_nvram_read_byte; ppc_md.nvram_write_val = pmu_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; #endif /* CONFIG_ADB_PMU */ } else { printk(KERN_ERR "Incompatible type of NVRAM\n"); |