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MIPS: replace add_memory_region with memblock

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add_memory_region was the old interface for registering memory and
was already changed to used memblock internaly. Replace it by
directly calling memblock functions.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Thomas Bogendoerfer 2020-10-09 14:14:46 +02:00
parent 73826d604b
commit e7ae8d174e
28 changed files with 82 additions and 149 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/mips/alchemy/common/prom.c
View File

@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/sizes.h>
#include <linux/string.h>
@ -93,7 +94,7 @@ void __init prom_init(void)
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = SZ_64M; /* minimum memsize is 64MB RAM */
add_memory_region(0, memsize, BOOT_MEM_RAM);
memblock_add(0, memsize);
}
static inline unsigned char str2hexnum(unsigned char c)

2
arch/mips/ar7/memory.c
View File

@ -47,7 +47,7 @@ void __init prom_meminit(void)
unsigned long pages;
pages = memsize() >> PAGE_SHIFT;
add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, BOOT_MEM_RAM);
memblock_add(PHYS_OFFSET, pages << PAGE_SHIFT);
}
void __init prom_free_prom_memory(void)

3
arch/mips/ath25/ar2315.c
View File

@ -19,6 +19,7 @@
#include <linux/bitops.h>
#include <linux/irqdomain.h>
#include <linux/interrupt.h>
#include <linux/memblock.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <asm/bootinfo.h>
@ -266,7 +267,7 @@ void __init ar2315_plat_mem_setup(void)
memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_COL_WIDTH);
memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_ROW_WIDTH);
memsize <<= 3;
add_memory_region(0, memsize, BOOT_MEM_RAM);
memblock_add(0, memsize);
iounmap(sdram_base);
ar2315_rst_base = ioremap(AR2315_RST_BASE, AR2315_RST_SIZE);

3
arch/mips/ath25/ar5312.c
View File

@ -19,6 +19,7 @@
#include <linux/bitops.h>
#include <linux/irqdomain.h>
#include <linux/interrupt.h>
#include <linux/memblock.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/reboot.h>
@ -363,7 +364,7 @@ void __init ar5312_plat_mem_setup(void)
memsize = (bank0_ac ? (1 << (bank0_ac + 1)) : 0) +
(bank1_ac ? (1 << (bank1_ac + 1)) : 0);
memsize <<= 20;
add_memory_region(0, memsize, BOOT_MEM_RAM);
memblock_add(0, memsize);
iounmap(sdram_base);
ar5312_rst_base = ioremap(AR5312_RST_BASE, AR5312_RST_SIZE);

3
arch/mips/bcm47xx/prom.c
View File

@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/spinlock.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_regs.h>
@ -97,7 +98,7 @@ static __init void prom_init_mem(void)
*/
if (c->cputype == CPU_74K && (mem == (128 << 20)))
mem -= 0x1000;
add_memory_region(0, mem, BOOT_MEM_RAM);
memblock_add(0, mem);
}
/*

2
arch/mips/bcm47xx/setup.c
View File

@ -141,7 +141,7 @@ static void __init bcm47xx_register_bcma(void)
/*
* Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed
* to detect memory and record it with add_memory_region.
* to detect memory and record it with memblock_add.
* Any extra initializaion performed here must not use kmalloc or bootmem.
*/
void __init plat_mem_setup(void)

2
arch/mips/bcm63xx/setup.c
View File

@ -146,7 +146,7 @@ void __init plat_time_init(void)
void __init plat_mem_setup(void)
{
add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM);
memblock_add(0, bcm63xx_get_memory_size());
_machine_halt = bcm63xx_machine_halt;
_machine_restart = __bcm63xx_machine_reboot;

24
arch/mips/cavium-octeon/setup.c
View File

@ -16,6 +16,7 @@
#include <linux/export.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/memblock.h>
#include <linux/serial.h>
#include <linux/smp.h>
#include <linux/types.h>
@ -930,7 +931,7 @@ static __init void memory_exclude_page(u64 addr, u64 *mem, u64 *size)
{
if (addr > *mem && addr < *mem + *size) {
u64 inc = addr - *mem;
add_memory_region(*mem, inc, BOOT_MEM_RAM);
memblock_add(*mem, inc);
*mem += inc;
*size -= inc;
}
@ -992,19 +993,18 @@ void __init plat_mem_setup(void)
/* Crashkernel ignores bootmem list. It relies on mem=X@Y option */
#ifdef CONFIG_CRASH_DUMP
add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM);
memblock_add(reserve_low_mem, max_memory);
total += max_memory;
#else
#ifdef CONFIG_KEXEC
if (crashk_size > 0) {
add_memory_region(crashk_base, crashk_size, BOOT_MEM_RAM);
memblock_add(crashk_base, crashk_size);
crashk_end = crashk_base + crashk_size;
}
#endif
/*
* When allocating memory, we want incrementing addresses from
* bootmem_alloc so the code in add_memory_region can merge
* regions next to each other.
* When allocating memory, we want incrementing addresses,
* which is handled by memblock
*/
cvmx_bootmem_lock();
while (total < max_memory) {
@ -1039,13 +1039,9 @@ void __init plat_mem_setup(void)
*/
if (memory < crashk_base && end > crashk_end) {
/* region is fully in */
add_memory_region(memory,
crashk_base - memory,
BOOT_MEM_RAM);
memblock_add(memory, crashk_base - memory);
total += crashk_base - memory;
add_memory_region(crashk_end,
end - crashk_end,
BOOT_MEM_RAM);
memblock_add(crashk_end, end - crashk_end);
total += end - crashk_end;
continue;
}
@ -1073,7 +1069,7 @@ void __init plat_mem_setup(void)
*/
mem_alloc_size -= end - crashk_base;
#endif
add_memory_region(memory, mem_alloc_size, BOOT_MEM_RAM);
memblock_add(memory, mem_alloc_size);
total += mem_alloc_size;
/* Recovering mem_alloc_size */
mem_alloc_size = 4 << 20;
@ -1088,7 +1084,7 @@ void __init plat_mem_setup(void)
/* Adjust for physical offset. */
kernel_start &= ~0xffffffff80000000ULL;
add_memory_region(kernel_start, kernel_size, BOOT_MEM_RAM);
memblock_add(kernel_start, kernel_size);
#endif /* CONFIG_CRASH_DUMP */
#ifdef CONFIG_CAVIUM_RESERVE32

3
arch/mips/cobalt/setup.c
View File

@ -13,6 +13,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/memblock.h>
#include <linux/pm.h>
#include <asm/bootinfo.h>
@ -112,7 +113,7 @@ void __init prom_init(void)
strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
}
add_memory_region(0x0, memsz, BOOT_MEM_RAM);
memblock_add(0, memsz);
setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
}

8
arch/mips/dec/prom/memory.c
View File

@ -12,7 +12,6 @@
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <asm/dec/machtype.h>
#include <asm/dec/prom.h>
#include <asm/page.h>
@ -50,8 +49,7 @@ static inline void pmax_setup_memory_region(void)
}
memcpy((void *)(CKSEG0 + 0x80), &old_handler, 0x80);
add_memory_region(0, (unsigned long)memory_page - CKSEG1 - CHUNK_SIZE,
BOOT_MEM_RAM);
memblock_add(0, (unsigned long)memory_page - CKSEG1 - CHUNK_SIZE);
}
/*
@ -76,13 +74,13 @@ static inline void rex_setup_memory_region(void)
else if (!mem_size)
mem_start += (8 * bm->pagesize);
else {
add_memory_region(mem_start, mem_size, BOOT_MEM_RAM);
memblock_add(mem_start, mem_size);
mem_start += mem_size + (8 * bm->pagesize);
mem_size = 0;
}
}
if (mem_size)
add_memory_region(mem_start, mem_size, BOOT_MEM_RAM);
memblock_add(mem_start, mem_size);
}
void __init prom_meminit(u32 magic)

28
arch/mips/fw/arc/memory.c
View File

@ -68,20 +68,24 @@ static char *arc_mtypes[8] = {
: arc_mtypes[a.arc]
#endif
enum {
mem_free, mem_prom_used, mem_reserved
};
static inline int memtype_classify_arcs(union linux_memtypes type)
{
switch (type.arcs) {
case arcs_fcontig:
case arcs_free:
return BOOT_MEM_RAM;
return mem_free;
case arcs_atmp:
return BOOT_MEM_ROM_DATA;
return mem_prom_used;
case arcs_eblock:
case arcs_rvpage:
case arcs_bmem:
case arcs_prog:
case arcs_aperm:
return BOOT_MEM_RESERVED;
return mem_reserved;
default:
BUG();
}
@ -93,15 +97,15 @@ static inline int memtype_classify_arc(union linux_memtypes type)
switch (type.arc) {
case arc_free:
case arc_fcontig:
return BOOT_MEM_RAM;
return mem_free;
case arc_atmp:
return BOOT_MEM_ROM_DATA;
return mem_prom_used;
case arc_eblock:
case arc_rvpage:
case arc_bmem:
case arc_prog:
case arc_aperm:
return BOOT_MEM_RESERVED;
return mem_reserved;
default:
BUG();
}
@ -143,9 +147,17 @@ void __weak __init prom_meminit(void)
size = p->pages << ARC_PAGE_SHIFT;
type = prom_memtype_classify(p->type);
add_memory_region(base, size, type);
/* ignore mirrored RAM on IP28/IP30 */
if (base < PHYS_OFFSET)
continue;
if (type == BOOT_MEM_ROM_DATA) {
memblock_add(base, size);
if (type == mem_reserved)
memblock_reserve(base, size);
if (type == mem_prom_used) {
memblock_reserve(base, size);
if (nr_prom_mem >= 5) {
pr_err("Too many ROM DATA regions");
continue;

4
arch/mips/fw/sni/sniprom.c
View File

@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/memblock.h>
#include <linux/string.h>
#include <linux/console.h>
@ -131,8 +132,7 @@ static void __init sni_mem_init(void)
}
pr_debug("Bank%d: %08x @ %08x\n", i,
memconf[i].size, memconf[i].base);
add_memory_region(memconf[i].base, memconf[i].size,
BOOT_MEM_RAM);
memblock_add(memconf[i].base, memconf[i].size);
}
}

7
arch/mips/include/asm/bootinfo.h
View File

@ -90,13 +90,6 @@ const char *get_system_type(void);
extern unsigned long mips_machtype;
#define BOOT_MEM_RAM 1
#define BOOT_MEM_ROM_DATA 2
#define BOOT_MEM_RESERVED 3
#define BOOT_MEM_INIT_RAM 4
#define BOOT_MEM_NOMAP 5
extern void add_memory_region(phys_addr_t start, phys_addr_t size, long type);
extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max);
extern void prom_init(void);

1
arch/mips/include/asm/netlogic/psb-bootinfo.h
View File

@ -87,6 +87,7 @@ struct nlm_boot_mem_map {
uint32_t type; /* type of memory segment */
} map[NLM_BOOT_MEM_MAP_MAX];
};
#define NLM_BOOT_MEM_RAM 1
/* Pointer to saved boot loader info */
extern struct psb_info nlm_prom_info;

25
arch/mips/kernel/prom.c
View File

@ -36,31 +36,6 @@ char *mips_get_machine_name(void)
}
#ifdef CONFIG_USE_OF
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
if (base >= PHYS_ADDR_MAX) {
pr_warn("Trying to add an invalid memory region, skipped\n");
return;
}
/* Truncate the passed memory region instead of type casting */
if (base + size - 1 >= PHYS_ADDR_MAX || base + size < base) {
pr_warn("Truncate memory region %llx @ %llx to size %llx\n",
size, base, PHYS_ADDR_MAX - base);
size = PHYS_ADDR_MAX - base;
}
add_memory_region(base, size, BOOT_MEM_RAM);
}
int __init early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
add_memory_region(base, size,
nomap ? BOOT_MEM_NOMAP : BOOT_MEM_RESERVED);
return 0;
}
void __init __dt_setup_arch(void *bph)
{

50
arch/mips/kernel/setup.c
View File

@ -91,45 +91,6 @@ unsigned long ARCH_PFN_OFFSET;
EXPORT_SYMBOL(ARCH_PFN_OFFSET);
#endif
void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type)
{
/*
* Note: This function only exists for historical reason,
* new code should use memblock_add or memblock_add_node instead.
*/
/*
* If the region reaches the top of the physical address space, adjust
* the size slightly so that (start + size) doesn't overflow
*/
if (start + size - 1 == PHYS_ADDR_MAX)
--size;
/* Sanity check */
if (start + size < start) {
pr_warn("Trying to add an invalid memory region, skipped\n");
return;
}
if (start < PHYS_OFFSET)
return;
memblock_add(start, size);
/* Reserve any memory except the ordinary RAM ranges. */
switch (type) {
case BOOT_MEM_RAM:
break;
case BOOT_MEM_NOMAP: /* Discard the range from the system. */
memblock_remove(start, size);
break;
default: /* Reserve the rest of the memory types at boot time */
memblock_reserve(start, size);
break;
}
}
void __init detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max)
{
void *dm = &detect_magic;
@ -146,7 +107,7 @@ void __init detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_add
((unsigned long long) sz_min) / SZ_1M,
((unsigned long long) sz_max) / SZ_1M);
add_memory_region(start, size, BOOT_MEM_RAM);
memblock_add(start, size);
}
/*
@ -400,7 +361,7 @@ static int __init early_parse_mem(char *p)
if (*p == '@')
start = memparse(p + 1, &p);
add_memory_region(start, size, BOOT_MEM_RAM);
memblock_add(start, size);
return 0;
}
@ -426,13 +387,14 @@ static int __init early_parse_memmap(char *p)
if (*p == '@') {
start_at = memparse(p+1, &p);
add_memory_region(start_at, mem_size, BOOT_MEM_RAM);
memblock_add(start_at, mem_size);
} else if (*p == '#') {
pr_err("\"memmap=nn#ss\" (force ACPI data) invalid on MIPS\n");
return -EINVAL;
} else if (*p == '$') {
start_at = memparse(p+1, &p);
add_memory_region(start_at, mem_size, BOOT_MEM_RESERVED);
memblock_add(start_at, mem_size);
memblock_reserve(start_at, mem_size);
} else {
pr_err("\"memmap\" invalid format!\n");
return -EINVAL;
@ -644,7 +606,7 @@ static void __init bootcmdline_init(void)
* arch_mem_init - initialize memory management subsystem
*
* o plat_mem_setup() detects the memory configuration and will record detected
* memory areas using add_memory_region.
* memory areas using memblock_add.
*
* At this stage the memory configuration of the system is known to the
* kernel but generic memory management system is still entirely uninitialized.

12
arch/mips/loongson2ef/common/mem.c
View File

@ -17,10 +17,7 @@ u32 memsize, highmemsize;
void __init prom_init_memory(void)
{
add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize <<
20), BOOT_MEM_RESERVED);
memblock_add(0x0, (memsize << 20));
#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
{
@ -41,12 +38,7 @@ void __init prom_init_memory(void)
#ifdef CONFIG_64BIT
if (highmemsize > 0)
add_memory_region(LOONGSON_HIGHMEM_START,
highmemsize << 20, BOOT_MEM_RAM);
add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START -
LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED);
memblock_add(LOONGSON_HIGHMEM_START, highmemsize << 20);
#endif /* !CONFIG_64BIT */
}

4
arch/mips/loongson32/common/prom.c
View File

@ -7,8 +7,8 @@
#include <linux/io.h>
#include <linux/init.h>
#include <linux/memblock.h>
#include <linux/serial_reg.h>
#include <asm/bootinfo.h>
#include <asm/fw/fw.h>
#include <loongson1.h>
@ -42,5 +42,5 @@ void __init prom_free_prom_memory(void)
void __init plat_mem_setup(void)
{
add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
memblock_add(0x0, (memsize << 20));
}

2
arch/mips/netlogic/xlp/setup.c
View File

@ -89,7 +89,7 @@ static void __init xlp_init_mem_from_bars(void)
if (map[i] > 0x10000000 && map[i] < 0x20000000)
map[i] = 0x20000000;
add_memory_region(map[i], map[i+1] - map[i], BOOT_MEM_RAM);
memblock_add(map[i], map[i+1] - map[i]);
}
}

5
arch/mips/netlogic/xlr/setup.c
View File

@ -34,6 +34,7 @@
#include <linux/kernel.h>
#include <linux/serial_8250.h>
#include <linux/memblock.h>
#include <linux/pm.h>
#include <asm/idle.h>
@ -149,7 +150,7 @@ static void prom_add_memory(void)
bootm = (void *)(long)nlm_prom_info.psb_mem_map;
for (i = 0; i < bootm->nr_map; i++) {
if (bootm->map[i].type != BOOT_MEM_RAM)
if (bootm->map[i].type != NLM_BOOT_MEM_RAM)
continue;
start = bootm->map[i].addr;
size = bootm->map[i].size;
@ -158,7 +159,7 @@ static void prom_add_memory(void)
if (i == 0 && start == 0 && size == 0x0c000000)
size = 0x0ff00000;
add_memory_region(start, size - pref_backup, BOOT_MEM_RAM);
memblock_add(start, size - pref_backup);
}
}

3
arch/mips/ralink/of.c
View File

@ -84,8 +84,7 @@ void __init plat_mem_setup(void)
if (memory_dtb)
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
else if (soc_info.mem_size)
add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M,
BOOT_MEM_RAM);
memblock_add(soc_info.mem_base, soc_info.mem_size * SZ_1M);
else
detect_memory_region(soc_info.mem_base,
soc_info.mem_size_min * SZ_1M,

2
arch/mips/rb532/prom.c
View File

@ -126,5 +126,5 @@ void __init prom_init(void)
/* give all RAM to boot allocator,
* except for the first 0x400 and the last 0x200 bytes */
add_memory_region(ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM);
memblock_add(ddrbase + 0x400, memsize - 0x600);
}

3
arch/mips/sgi-ip32/ip32-memory.c
View File

@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <asm/ip32/crime.h>
@ -36,7 +37,7 @@ void __init prom_meminit(void)
printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
bank, base, size >> 20);
add_memory_region(base, size, BOOT_MEM_RAM);
memblock_add(base, size);
}
}

16
arch/mips/sibyte/common/cfe.c
View File

@ -114,16 +114,14 @@ static __init void prom_meminit(void)
if (initrd_start) {
if ((initrd_pstart > addr) &&
(initrd_pstart < (addr + size))) {
add_memory_region(addr,
initrd_pstart - addr,
BOOT_MEM_RAM);
memblock_add(addr,
initrd_pstart - addr);
rd_flag = 1;
}
if ((initrd_pend > addr) &&
(initrd_pend < (addr + size))) {
add_memory_region(initrd_pend,
(addr + size) - initrd_pend,
BOOT_MEM_RAM);
memblock_add(initrd_pend,
(addr + size) - initrd_pend);
rd_flag = 1;
}
}
@ -142,7 +140,7 @@ static __init void prom_meminit(void)
*/
if (size > 512)
size -= 512;
add_memory_region(addr, size, BOOT_MEM_RAM);
memblock_add(addr, size);
}
board_mem_region_addrs[board_mem_region_count] = addr;
board_mem_region_sizes[board_mem_region_count] = size;
@ -158,8 +156,8 @@ static __init void prom_meminit(void)
}
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start) {
add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
BOOT_MEM_RESERVED);
memblock_add(initrd_pstart, initrd_pend - initrd_pstart);
memblock_reserve(initrd_pstart, initrd_pend - initrd_pstart);
}
#endif
}

4
arch/mips/txx9/jmr3927/prom.c
View File

@ -37,7 +37,7 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/bootinfo.h>
#include <linux/memblock.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/jmr3927.h>
@ -47,6 +47,6 @@ void __init jmr3927_prom_init(void)
if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
pr_err("TX3927 TLB off\n");
add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
memblock_add(0, JMR3927_SDRAM_SIZE);
txx9_sio_putchar_init(TX3927_SIO_REG(1));
}

5
arch/mips/txx9/rbtx4927/prom.c
View File

@ -29,13 +29,14 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <asm/bootinfo.h>
#include <linux/memblock.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4927.h>
void __init rbtx4927_prom_init(void)
{
add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
memblock_add(0, tx4927_get_mem_size());
txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
}

3
arch/mips/txx9/rbtx4938/prom.c
View File

@ -12,12 +12,11 @@
#include <linux/init.h>
#include <linux/memblock.h>
#include <asm/bootinfo.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4938.h>
void __init rbtx4938_prom_init(void)
{
add_memory_region(0, tx4938_get_mem_size(), BOOT_MEM_RAM);
memblock_add(0, tx4938_get_mem_size());
txx9_sio_putchar_init(TX4938_SIO_REG(0) & 0xfffffffffULL);
}

4
arch/mips/txx9/rbtx4939/prom.c
View File

@ -7,7 +7,7 @@
*/
#include <linux/init.h>
#include <asm/bootinfo.h>
#include <linux/memblock.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4939.h>
@ -23,7 +23,7 @@ void __init rbtx4939_prom_init(void)
win = ____raw_readq(&tx4939_ddrcptr->win[i]);
start = (unsigned long)(win >> 48);
size = (((unsigned long)(win >> 32) & 0xffff) + 1) - start;
add_memory_region(start << 20, size << 20, BOOT_MEM_RAM);
memblock_add(start << 20, size << 20);
}
txx9_sio_putchar_init(TX4939_SIO_REG(0) & 0xfffffffffULL);
}