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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 12:40:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 12:40:55 -0700
commit09a31a7e3723afd79022d5d3ff3634c2630c2eeb (patch)
treeb9bbf21da582f1c62b0ae8f1e4498754f0198458 /arch/mips/fw/arc/memory.c
parent847d4287a0c6709fd1ce24002b96d404a6da8b5b (diff)
parentcf3af0a4d3b62ab48e0b90180ea161d0f5d4953f (diff)
downloadlinux-09a31a7e3723afd79022d5d3ff3634c2630c2eeb.tar.bz2
Merge tag 'mips_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer: - removed support for PNX833x alias NXT_STB22x - included Ingenic SoC support into generic MIPS kernels - added support for new Ingenic SoCs - converted workaround selection to use Kconfig - replaced old boot mem functions by memblock_* - enabled COP2 usage in kernel for Loongson64 to make use of 16byte load/stores possible - cleanups and fixes * tag 'mips_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (92 commits) MIPS: DEC: Restore bootmem reservation for firmware working memory area MIPS: dec: fix section mismatch bcm963xx_tag.h: fix duplicated word mips: ralink: enable zboot support MIPS: ingenic: Remove CPU_SUPPORTS_HUGEPAGES MIPS: cpu-probe: remove MIPS_CPU_BP_GHIST option bit MIPS: cpu-probe: introduce exclusive R3k CPU probe MIPS: cpu-probe: move fpu probing/handling into its own file MIPS: replace add_memory_region with memblock MIPS: Loongson64: Clean up numa.c MIPS: Loongson64: Select SMP in Kconfig to avoid build error mips: octeon: Add Ubiquiti E200 and E220 boards MIPS: SGI-IP28: disable use of ll/sc in kernel MIPS: tx49xx: move tx4939_add_memory_regions into only user MIPS: pgtable: Remove used PAGE_USERIO define MIPS: alchemy: Share prom_init implementation MIPS: alchemy: Fix build breakage, if TOUCHSCREEN_WM97XX is disabled MIPS: process: include exec.h header in process.c MIPS: process: Add prototype for function arch_dup_task_struct MIPS: idle: Add prototype for function check_wait ...
Diffstat (limited to 'arch/mips/fw/arc/memory.c')
-rw-r--r--arch/mips/fw/arc/memory.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index da0712ad85f5..37625ae5e35d 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -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;
+
+ memblock_add(base, size);
+
+ if (type == mem_reserved)
+ memblock_reserve(base, size);
- if (type == BOOT_MEM_ROM_DATA) {
+ if (type == mem_prom_used) {
+ memblock_reserve(base, size);
if (nr_prom_mem >= 5) {
pr_err("Too many ROM DATA regions");
continue;