Consolidate our setup calls to reduce the amount we need to do from init::start. Also remove a couple of pointless comments from setup(). Reviewed-by: Nikos Nikoleris <nikos.nikoleris@xxxxxxx> Reviewed-by: Alexandru Elisei <alexandru.elisei@xxxxxxx> Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx> --- arm/cstart.S | 6 ------ arm/cstart64.S | 5 ----- lib/arm/setup.c | 7 +++++-- 3 files changed, 5 insertions(+), 13 deletions(-) diff --git a/arm/cstart.S b/arm/cstart.S index b2c0ba061cd5..bf3c78157e6a 100644 --- a/arm/cstart.S +++ b/arm/cstart.S @@ -81,12 +81,7 @@ start: /* complete setup */ pop {r0-r1} bl setup - bl get_mmu_off - cmp r0, #0 - bne 1f - bl setup_vm -1: /* run the test */ ldr r0, =__argc ldr r0, [r0] @@ -108,7 +103,6 @@ enable_vfp: vmsr fpexc, r0 mov pc, lr -.global get_mmu_off get_mmu_off: ldr r0, =auxinfo ldr r0, [r0, #4] diff --git a/arm/cstart64.S b/arm/cstart64.S index 7963e1fea979..27251fe8b5cd 100644 --- a/arm/cstart64.S +++ b/arm/cstart64.S @@ -93,11 +93,7 @@ start: /* complete setup */ bl setup // x0 is the addr of the dtb - bl get_mmu_off - cbnz x0, 1f - bl setup_vm -1: /* run the test */ adrp x0, __argc ldr w0, [x0, :lo12:__argc] @@ -111,7 +107,6 @@ start: .text -.globl get_mmu_off get_mmu_off: adrp x0, auxinfo ldr x0, [x0, :lo12:auxinfo + 8] diff --git a/lib/arm/setup.c b/lib/arm/setup.c index 751ba980000a..9c16f6004e9f 100644 --- a/lib/arm/setup.c +++ b/lib/arm/setup.c @@ -16,6 +16,8 @@ #include <alloc.h> #include <alloc_phys.h> #include <alloc_page.h> +#include <vmalloc.h> +#include <auxinfo.h> #include <argv.h> #include <asm/thread_info.h> #include <asm/setup.h> @@ -233,7 +235,6 @@ void setup(const void *fdt) freemem += initrd_size; } - /* call init functions */ mem_init(PAGE_ALIGN((unsigned long)freemem)); cpu_init(); @@ -243,7 +244,6 @@ void setup(const void *fdt) /* mem_init must be called before io_init */ io_init(); - /* finish setup */ timer_save_state(); ret = dt_get_bootargs(&bootargs); @@ -256,4 +256,7 @@ void setup(const void *fdt) memcpy(env, initrd, initrd_size); setup_env(env, initrd_size); } + + if (!(auxinfo.flags & AUXINFO_MMU_OFF)) + setup_vm(); } -- 2.30.2