summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorPaul Walmsley <paul.walmsley@sifive.com>2019-11-22 18:59:17 -0800
committerPaul Walmsley <paul.walmsley@sifive.com>2019-11-22 18:59:17 -0800
commit8eace9fb39605f0e201223fd34306ba3b53969b7 (patch)
treeb2ad7df8e721af50d2026874b22b885d29c1d8e4
parent5ba9aa56e6d3e8fddb954c2f818d1ce0525235bb (diff)
parent2cc6c4a0da4ab11537b2567952b59af71a90ef12 (diff)
downloadlinux-stable-8eace9fb39605f0e201223fd34306ba3b53969b7.tar.gz
linux-stable-8eace9fb39605f0e201223fd34306ba3b53969b7.tar.bz2
linux-stable-8eace9fb39605f0e201223fd34306ba3b53969b7.zip
Merge branch 'next/misc2' into for-next
-rw-r--r--arch/riscv/Kconfig.socs16
-rw-r--r--arch/riscv/mm/init.c32
2 files changed, 40 insertions, 8 deletions
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 536c0ef4aee8..634759ac8c71 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -1,13 +1,13 @@
menu "SoC selection"
config SOC_SIFIVE
- bool "SiFive SoCs"
- select SERIAL_SIFIVE
- select SERIAL_SIFIVE_CONSOLE
- select CLK_SIFIVE
- select CLK_SIFIVE_FU540_PRCI
- select SIFIVE_PLIC
- help
- This enables support for SiFive SoC platform hardware.
+ bool "SiFive SoCs"
+ select SERIAL_SIFIVE
+ select SERIAL_SIFIVE_CONSOLE
+ select CLK_SIFIVE
+ select CLK_SIFIVE_FU540_PRCI
+ select SIFIVE_PLIC
+ help
+ This enables support for SiFive SoC platform hardware.
endmenu
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index b2fe9d1be833..69f6678db7f3 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -46,6 +46,37 @@ static void setup_zero_page(void)
memset((void *)empty_zero_page, 0, PAGE_SIZE);
}
+#ifdef CONFIG_DEBUG_VM
+static inline void print_mlk(char *name, unsigned long b, unsigned long t)
+{
+ pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld kB)\n", name, b, t,
+ (((t) - (b)) >> 10));
+}
+
+static inline void print_mlm(char *name, unsigned long b, unsigned long t)
+{
+ pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld MB)\n", name, b, t,
+ (((t) - (b)) >> 20));
+}
+
+static void print_vm_layout(void)
+{
+ pr_notice("Virtual kernel memory layout:\n");
+ print_mlk("fixmap", (unsigned long)FIXADDR_START,
+ (unsigned long)FIXADDR_TOP);
+ print_mlm("pci io", (unsigned long)PCI_IO_START,
+ (unsigned long)PCI_IO_END);
+ print_mlm("vmemmap", (unsigned long)VMEMMAP_START,
+ (unsigned long)VMEMMAP_END);
+ print_mlm("vmalloc", (unsigned long)VMALLOC_START,
+ (unsigned long)VMALLOC_END);
+ print_mlm("lowmem", (unsigned long)PAGE_OFFSET,
+ (unsigned long)high_memory);
+}
+#else
+static void print_vm_layout(void) { }
+#endif /* CONFIG_DEBUG_VM */
+
void __init mem_init(void)
{
#ifdef CONFIG_FLATMEM
@@ -56,6 +87,7 @@ void __init mem_init(void)
memblock_free_all();
mem_init_print_info(NULL);
+ print_vm_layout();
}
#ifdef CONFIG_BLK_DEV_INITRD