Merge branch '2021-09-23-assorted-updates' into next

- Rework lmb reservation so we have common code for all arches to use
- armv8 cache.S cleanups, crc32 speedup
- ENV_IS_NOWHWERE, pci io/memory base configuration fixes

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/lib/stack.c b/arch/arm/lib/stack.c
index b03e1cfc80c..656084c7e51 100644
--- a/arch/arm/lib/stack.c
+++ b/arch/arm/lib/stack.c
@@ -12,6 +12,7 @@
  */
 #include <common.h>
 #include <init.h>
+#include <lmb.h>
 #include <asm/global_data.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -33,3 +34,16 @@ int arch_reserve_stacks(void)
 
 	return 0;
 }
+
+static ulong get_sp(void)
+{
+	ulong ret;
+
+	asm("mov %0, sp" : "=r"(ret) : );
+	return ret;
+}
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+	arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 16384);
+}