mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
118 lines
3.8 KiB
Diff
118 lines
3.8 KiB
Diff
From 4d2bd7f66bac81b042afc2a6e742bd776a5a3938 Mon Sep 17 00:00:00 2001
|
|
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
|
|
Date: Wed, 11 Sep 2019 20:25:44 +0200
|
|
Subject: [PATCH] arm64: rename variables used to calculate
|
|
ZONE_DMA32's size
|
|
|
|
commit a573cdd7973dedd87e62196c400332896bb236c8 upstream.
|
|
|
|
Let the name indicate that they are used to calculate ZONE_DMA32's size
|
|
as opposed to ZONE_DMA.
|
|
|
|
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
|
|
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
|
|
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
|
|
---
|
|
arch/arm64/mm/init.c | 30 +++++++++++++++---------------
|
|
1 file changed, 15 insertions(+), 15 deletions(-)
|
|
|
|
--- a/arch/arm64/mm/init.c
|
|
+++ b/arch/arm64/mm/init.c
|
|
@@ -50,7 +50,7 @@
|
|
s64 memstart_addr __ro_after_init = -1;
|
|
EXPORT_SYMBOL(memstart_addr);
|
|
|
|
-phys_addr_t arm64_dma_phys_limit __ro_after_init;
|
|
+phys_addr_t arm64_dma32_phys_limit __ro_after_init;
|
|
|
|
#ifdef CONFIG_KEXEC_CORE
|
|
/*
|
|
@@ -168,7 +168,7 @@ static void __init reserve_elfcorehdr(vo
|
|
* currently assumes that for memory starting above 4G, 32-bit devices will
|
|
* use a DMA offset.
|
|
*/
|
|
-static phys_addr_t __init max_zone_dma_phys(void)
|
|
+static phys_addr_t __init max_zone_dma32_phys(void)
|
|
{
|
|
phys_addr_t offset = memblock_start_of_DRAM() & GENMASK_ULL(63, 32);
|
|
return min(offset + (1ULL << 32), memblock_end_of_DRAM());
|
|
@@ -181,7 +181,7 @@ static void __init zone_sizes_init(unsig
|
|
unsigned long max_zone_pfns[MAX_NR_ZONES] = {0};
|
|
|
|
#ifdef CONFIG_ZONE_DMA32
|
|
- max_zone_pfns[ZONE_DMA32] = PFN_DOWN(arm64_dma_phys_limit);
|
|
+ max_zone_pfns[ZONE_DMA32] = PFN_DOWN(arm64_dma32_phys_limit);
|
|
#endif
|
|
max_zone_pfns[ZONE_NORMAL] = max;
|
|
|
|
@@ -194,16 +194,16 @@ static void __init zone_sizes_init(unsig
|
|
{
|
|
struct memblock_region *reg;
|
|
unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
|
|
- unsigned long max_dma = min;
|
|
+ unsigned long max_dma32 = min;
|
|
|
|
memset(zone_size, 0, sizeof(zone_size));
|
|
|
|
/* 4GB maximum for 32-bit only capable devices */
|
|
#ifdef CONFIG_ZONE_DMA32
|
|
- max_dma = PFN_DOWN(arm64_dma_phys_limit);
|
|
- zone_size[ZONE_DMA32] = max_dma - min;
|
|
+ max_dma32 = PFN_DOWN(arm64_dma32_phys_limit);
|
|
+ zone_size[ZONE_DMA32] = max_dma32 - min;
|
|
#endif
|
|
- zone_size[ZONE_NORMAL] = max - max_dma;
|
|
+ zone_size[ZONE_NORMAL] = max - max_dma32;
|
|
|
|
memcpy(zhole_size, zone_size, sizeof(zhole_size));
|
|
|
|
@@ -215,14 +215,14 @@ static void __init zone_sizes_init(unsig
|
|
continue;
|
|
|
|
#ifdef CONFIG_ZONE_DMA32
|
|
- if (start < max_dma) {
|
|
- unsigned long dma_end = min(end, max_dma);
|
|
+ if (start < max_dma32) {
|
|
+ unsigned long dma_end = min(end, max_dma32);
|
|
zhole_size[ZONE_DMA32] -= dma_end - start;
|
|
}
|
|
#endif
|
|
- if (end > max_dma) {
|
|
+ if (end > max_dma32) {
|
|
unsigned long normal_end = min(end, max);
|
|
- unsigned long normal_start = max(start, max_dma);
|
|
+ unsigned long normal_start = max(start, max_dma32);
|
|
zhole_size[ZONE_NORMAL] -= normal_end - normal_start;
|
|
}
|
|
}
|
|
@@ -410,9 +410,9 @@ void __init arm64_memblock_init(void)
|
|
|
|
/* 4GB maximum for 32-bit only capable devices */
|
|
if (IS_ENABLED(CONFIG_ZONE_DMA32))
|
|
- arm64_dma_phys_limit = max_zone_dma_phys();
|
|
+ arm64_dma32_phys_limit = max_zone_dma32_phys();
|
|
else
|
|
- arm64_dma_phys_limit = PHYS_MASK + 1;
|
|
+ arm64_dma32_phys_limit = PHYS_MASK + 1;
|
|
|
|
reserve_crashkernel();
|
|
|
|
@@ -420,7 +420,7 @@ void __init arm64_memblock_init(void)
|
|
|
|
high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
|
|
|
|
- dma_contiguous_reserve(arm64_dma_phys_limit);
|
|
+ dma_contiguous_reserve(arm64_dma32_phys_limit);
|
|
}
|
|
|
|
void __init bootmem_init(void)
|
|
@@ -524,7 +524,7 @@ static void __init free_unused_memmap(vo
|
|
void __init mem_init(void)
|
|
{
|
|
if (swiotlb_force == SWIOTLB_FORCE ||
|
|
- max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
|
|
+ max_pfn > (arm64_dma32_phys_limit >> PAGE_SHIFT))
|
|
swiotlb_init(1);
|
|
else
|
|
swiotlb_force = SWIOTLB_NO_FORCE;
|