#include <common.h>
#include <bloblist.h>
+#include <clock_legacy.h>
#include <console.h>
#include <cpu.h>
+#include <cpu_func.h>
#include <dm.h>
#include <env.h>
#include <env_internal.h>
#include <fdtdec.h>
#include <fs.h>
+#include <hang.h>
#include <i2c.h>
+#include <init.h>
#include <initcall.h>
#include <lcd.h>
#include <malloc.h>
char desc[512];
int ret;
- ret = uclass_first_device_err(UCLASS_CPU, &dev);
- if (ret) {
- debug("%s: Could not get CPU device (err = %d)\n",
- __func__, ret);
- return ret;
+ dev = cpu_get_current_dev();
+ if (!dev) {
+ debug("%s: Could not get CPU device\n",
+ __func__);
+ return -ENODEV;
}
ret = cpu_get_desc(dev, desc, sizeof(desc));
/* Get the top of usable RAM */
__weak ulong board_get_usable_ram_top(ulong total_size)
{
-#ifdef CONFIG_SYS_SDRAM_BASE
+#if defined(CONFIG_SYS_SDRAM_BASE) && CONFIG_SYS_SDRAM_BASE > 0
/*
* Detect whether we have so much RAM that it goes past the end of our
* 32-bit address space. If so, clip the usable RAM so it doesn't.
return 0;
}
-#ifdef CONFIG_ARM
-__weak int reserve_mmu(void)
+__weak int arch_reserve_mmu(void)
{
-#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
- /* reserve TLB table */
- gd->arch.tlb_size = PGTABLE_SIZE;
- gd->relocaddr -= gd->arch.tlb_size;
-
- /* round down to next 64 kB limit */
- gd->relocaddr &= ~(0x10000 - 1);
-
- gd->arch.tlb_addr = gd->relocaddr;
- debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
- gd->arch.tlb_addr + gd->arch.tlb_size);
-
-#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
- /*
- * Record allocated tlb_addr in case gd->tlb_addr to be overwritten
- * with location within secure ram.
- */
- gd->arch.tlb_allocated = gd->arch.tlb_addr;
-#endif
-#endif
-
return 0;
}
-#endif
static int reserve_video(void)
{
return 0;
}
+/*
+ * reserve after start_addr_sp the requested size and make the stack pointer
+ * 16-byte aligned, this alignment is needed for cast on the reserved memory
+ * ref = x86_64 ABI: https://reviews.llvm.org/D30049: 16 bytes
+ * = ARMv8 Instruction Set Overview: quad word, 16 bytes
+ */
+static unsigned long reserve_stack_aligned(size_t size)
+{
+ return ALIGN_DOWN(gd->start_addr_sp - size, 16);
+}
+
#ifdef CONFIG_SYS_NONCACHED_MEMORY
static int reserve_noncached(void)
{
/* reserve memory for malloc() area */
static int reserve_malloc(void)
{
- gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
+ gd->start_addr_sp = reserve_stack_aligned(TOTAL_MALLOC_LEN);
debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
#ifdef CONFIG_SYS_NONCACHED_MEMORY
static int reserve_board(void)
{
if (!gd->bd) {
- gd->start_addr_sp -= sizeof(bd_t);
+ gd->start_addr_sp = reserve_stack_aligned(sizeof(bd_t));
gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t));
memset(gd->bd, '\0', sizeof(bd_t));
debug("Reserving %zu Bytes for Board Info at: %08lx\n",
static int reserve_global_data(void)
{
- gd->start_addr_sp -= sizeof(gd_t);
+ gd->start_addr_sp = reserve_stack_aligned(sizeof(gd_t));
gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t));
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof(gd_t), gd->start_addr_sp);
if (gd->fdt_blob) {
gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
- gd->start_addr_sp -= gd->fdt_size;
+ gd->start_addr_sp = reserve_stack_aligned(gd->fdt_size);
gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size);
debug("Reserving %lu Bytes for FDT at: %08lx\n",
gd->fdt_size, gd->start_addr_sp);
#ifdef CONFIG_BOOTSTAGE
int size = bootstage_get_size();
- gd->start_addr_sp -= size;
+ gd->start_addr_sp = reserve_stack_aligned(size);
gd->new_bootstage = map_sysmem(gd->start_addr_sp, size);
debug("Reserving %#x Bytes for bootstage at: %08lx\n", size,
gd->start_addr_sp);
static int reserve_stacks(void)
{
/* make stack pointer 16-byte aligned */
- gd->start_addr_sp -= 16;
- gd->start_addr_sp &= ~0xf;
+ gd->start_addr_sp = reserve_stack_aligned(16);
/*
* let the architecture-specific code tailor gd->start_addr_sp and
static int reserve_bloblist(void)
{
#ifdef CONFIG_BLOBLIST
- gd->start_addr_sp &= ~0xf;
- gd->start_addr_sp -= CONFIG_BLOBLIST_SIZE;
+ gd->start_addr_sp = reserve_stack_aligned(CONFIG_BLOBLIST_SIZE);
gd->new_bloblist = map_sysmem(gd->start_addr_sp, CONFIG_BLOBLIST_SIZE);
#endif
return 0;
}
+__weak int checkcpu(void)
+{
+ return 0;
+}
+
+__weak int clear_bss(void)
+{
+ return 0;
+}
+
static const init_fnc_t init_sequence_f[] = {
setup_mon_len,
#ifdef CONFIG_OF_CONTROL
console_init_f, /* stage 1 init of console */
display_options, /* say that we are here */
display_text_info, /* show debugging info if required */
-#if defined(CONFIG_PPC) || defined(CONFIG_SH) || defined(CONFIG_X86)
checkcpu,
-#endif
#if defined(CONFIG_SYSRESET)
print_resetinfo,
#endif
reserve_pram,
#endif
reserve_round_4k,
-#ifdef CONFIG_ARM
- reserve_mmu,
-#endif
+ arch_reserve_mmu,
reserve_video,
reserve_trace,
reserve_uboot,
#if defined(CONFIG_X86) || defined(CONFIG_ARC)
copy_uboot_to_ram,
do_elf_reloc_fixups,
- clear_bss,
#endif
-#if defined(CONFIG_XTENSA)
clear_bss,
-#endif
#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
!CONFIG_IS_ENABLED(X86_64)
jump_to_copy,
projects / oweals / u-boot.git / blobdiff