From: "Steven J. Hill" <Steven.Hill@xxxxxxxxxx>
Get rid of obsolete KEXEC and CRASH_DUMP code. This is to
prepare for adding in the new hotplug CPU code.
Signed-off-by: Steven J. Hill <steven.hill@xxxxxxxxxx>
Acked-by: David Daney <david.daney@xxxxxxxxxx>
---
arch/mips/cavium-octeon/setup.c | 168 ++--------------------------------------
1 file changed, 7 insertions(+), 161 deletions(-)
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 2085138..46e2bb0 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -100,56 +100,6 @@ static void octeon_kexec_smp_down(void *ignored)
}
#endif
-#define OCTEON_DDR0_BASE (0x0ULL)
-#define OCTEON_DDR0_SIZE (0x010000000ULL)
-#define OCTEON_DDR1_BASE (0x410000000ULL)
-#define OCTEON_DDR1_SIZE (0x010000000ULL)
-#define OCTEON_DDR2_BASE (0x020000000ULL)
-#define OCTEON_DDR2_SIZE (0x3e0000000ULL)
-#define OCTEON_MAX_PHY_MEM_SIZE (16*1024*1024*1024ULL)
-
-static struct kimage *kimage_ptr;
-
-static void kexec_bootmem_init(uint64_t mem_size, uint32_t low_reserved_bytes)
-{
- int64_t addr;
- struct cvmx_bootmem_desc *bootmem_desc;
-
- bootmem_desc = cvmx_bootmem_get_desc();
-
- if (mem_size > OCTEON_MAX_PHY_MEM_SIZE) {
- mem_size = OCTEON_MAX_PHY_MEM_SIZE;
- pr_err("Error: requested memory too large,"
- "truncating to maximum size\n");
- }
-
- bootmem_desc->major_version = CVMX_BOOTMEM_DESC_MAJ_VER;
- bootmem_desc->minor_version = CVMX_BOOTMEM_DESC_MIN_VER;
-
- addr = (OCTEON_DDR0_BASE + reserve_low_mem + low_reserved_bytes);
- bootmem_desc->head_addr = 0;
-
- if (mem_size <= OCTEON_DDR0_SIZE) {
- __cvmx_bootmem_phy_free(addr,
- mem_size - reserve_low_mem -
- low_reserved_bytes, 0);
- return;
- }
-
- __cvmx_bootmem_phy_free(addr,
- OCTEON_DDR0_SIZE - reserve_low_mem -
- low_reserved_bytes, 0);
-
- mem_size -= OCTEON_DDR0_SIZE;
-
- if (mem_size > OCTEON_DDR1_SIZE) {
- __cvmx_bootmem_phy_free(OCTEON_DDR1_BASE, OCTEON_DDR1_SIZE, 0);
- __cvmx_bootmem_phy_free(OCTEON_DDR2_BASE,
- mem_size - OCTEON_DDR1_SIZE, 0);
- } else
- __cvmx_bootmem_phy_free(OCTEON_DDR1_BASE, mem_size, 0);
-}
-
static int octeon_kexec_prepare(struct kimage *image)
{
int i;
@@ -181,72 +131,23 @@ static int octeon_kexec_prepare(struct kimage *image)
break;
}
}
-
- /*
- * Information about segments will be needed during pre-boot memory
- * initialization.
- */
- kimage_ptr = image;
return 0;
}
static void octeon_generic_shutdown(void)
{
- int i;
#ifdef CONFIG_SMP
int cpu;
-#endif
- struct cvmx_bootmem_desc *bootmem_desc;
- void *named_block_array_ptr;
- bootmem_desc = cvmx_bootmem_get_desc();
- named_block_array_ptr =
- cvmx_phys_to_ptr(bootmem_desc->named_block_array_addr);
-
-#ifdef CONFIG_SMP
+ secondary_kexec_args[2] = 0UL; /* running on secondary cpu */
+ secondary_kexec_args[3] = (unsigned long)octeon_boot_desc_ptr;
/* disable watchdogs */
for_each_online_cpu(cpu)
cvmx_write_csr(CVMX_CIU_WDOGX(cpu_logical_map(cpu)), 0);
#else
cvmx_write_csr(CVMX_CIU_WDOGX(cvmx_get_core_num()), 0);
-#endif
- if (kimage_ptr != kexec_crash_image) {
- memset(named_block_array_ptr,
- 0x0,
- CVMX_BOOTMEM_NUM_NAMED_BLOCKS *
- sizeof(struct cvmx_bootmem_named_block_desc));
- /*
- * Mark all memory (except low 0x100000 bytes) as free.
- * It is the same thing that bootloader does.
- */
- kexec_bootmem_init(octeon_bootinfo->dram_size*1024ULL*1024ULL,
- 0x100000);
- /*
- * Allocate all segments to avoid their corruption during boot.
- */
- for (i = 0; i < kimage_ptr->nr_segments; i++)
- cvmx_bootmem_alloc_address(
- kimage_ptr->segment[i].memsz + 2*PAGE_SIZE,
- kimage_ptr->segment[i].mem - PAGE_SIZE,
- PAGE_SIZE);
- } else {
- /*
- * Do not mark all memory as free. Free only named sections
- * leaving the rest of memory unchanged.
- */
- struct cvmx_bootmem_named_block_desc *ptr =
- (struct cvmx_bootmem_named_block_desc *)
- named_block_array_ptr;
-
- for (i = 0; i < bootmem_desc->named_block_num_blocks; i++)
- if (ptr[i].size)
- cvmx_bootmem_free_named(ptr[i].name);
- }
kexec_args[2] = 1UL; /* running on octeon_main_processor */
kexec_args[3] = (unsigned long)octeon_boot_desc_ptr;
-#ifdef CONFIG_SMP
- secondary_kexec_args[2] = 0UL; /* running on secondary cpu */
- secondary_kexec_args[3] = (unsigned long)octeon_boot_desc_ptr;
#endif
}
@@ -928,7 +829,6 @@ void __init prom_init(void)
}
/* Exclude a single page from the regions obtained in plat_mem_setup. */
-#ifndef CONFIG_CRASH_DUMP
static __init void memory_exclude_page(u64 addr, u64 *mem, u64 *size)
{
if (addr > *mem && addr < *mem + *size) {
@@ -944,7 +844,6 @@ static __init void memory_exclude_page(u64 addr, u64 *mem, u64 *size)
*size -= PAGE_SIZE;
}
}
-#endif /* CONFIG_CRASH_DUMP */
void __init fw_init_cmdline(void)
{
@@ -975,11 +874,7 @@ void __init plat_mem_setup(void)
uint64_t mem_alloc_size;
uint64_t total;
uint64_t crashk_end;
-#ifndef CONFIG_CRASH_DUMP
int64_t memory;
- uint64_t kernel_start;
- uint64_t kernel_size;
-#endif
total = 0;
crashk_end = 0;
@@ -1020,9 +915,6 @@ void __init plat_mem_setup(void)
CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (memory >= 0) {
u64 size = mem_alloc_size;
-#ifdef CONFIG_KEXEC
- uint64_t end;
-#endif
/*
* exclude a page at the beginning and end of
@@ -1035,66 +927,20 @@ void __init plat_mem_setup(void)
memory_exclude_page(CVMX_PCIE_BAR1_PHYS_BASE +
CVMX_PCIE_BAR1_PHYS_SIZE,
&memory, &size);
-#ifdef CONFIG_KEXEC
- end = memory + mem_alloc_size;
/*
- * This function automatically merges address regions
- * next to each other if they are received in
- * incrementing order
+ * This function automatically merges address
+ * regions next to each other if they are
+ * received in incrementing order.
*/
- if (memory < crashk_base && end > crashk_end) {
- /* region is fully in */
- add_memory_region(memory,
- crashk_base - memory,
- BOOT_MEM_RAM);
- total += crashk_base - memory;
- add_memory_region(crashk_end,
- end - crashk_end,
- BOOT_MEM_RAM);
- total += end - crashk_end;
- continue;
- }
-
- if (memory >= crashk_base && end <= crashk_end)
- /*
- * Entire memory region is within the new
- * kernel's memory, ignore it.
- */
- continue;
-
- if (memory > crashk_base && memory < crashk_end &&
- end > crashk_end) {
- /*
- * Overlap with the beginning of the region,
- * reserve the beginning.
- */
- mem_alloc_size -= crashk_end - memory;
- memory = crashk_end;
- } else if (memory < crashk_base && end > crashk_base &&
- end < crashk_end)
- /*
- * Overlap with the beginning of the region,
- * chop of end.
- */
- mem_alloc_size -= end - crashk_base;
-#endif
- add_memory_region(memory, mem_alloc_size, BOOT_MEM_RAM);
+ if (size)
+ add_memory_region(memory, size, BOOT_MEM_RAM);
total += mem_alloc_size;
- /* Recovering mem_alloc_size */
- mem_alloc_size = 4 << 20;
} else {
break;
}
}
cvmx_bootmem_unlock();
- /* Add the memory region for the kernel. */
- kernel_start = (unsigned long) _text;
- kernel_size = _end - _text;
-
- /* Adjust for physical offset. */
- kernel_start &= ~0xffffffff80000000ULL;
- add_memory_region(kernel_start, kernel_size, BOOT_MEM_RAM);
#endif /* CONFIG_CRASH_DUMP */
#ifdef CONFIG_CAVIUM_RESERVE32
--
2.1.4
