+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011
* Graeme Russ, <graeme.russ@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
+
#include <common.h>
-#include <fdtdec.h>
-#include <spi.h>
-#include <asm/sections.h>
+#include <linux/errno.h>
+#include <asm/mtrr.h>
DECLARE_GLOBAL_DATA_PTR;
return gd->ram_size;
}
-int calculate_relocation_address(void)
+int init_cache_f_r(void)
{
- const ulong uboot_size = (uintptr_t)&__bss_end -
- (uintptr_t)&__text_start;
- ulong total_size;
- ulong dest_addr;
- ulong fdt_size = 0;
+#if CONFIG_IS_ENABLED(X86_32BIT_INIT) && !defined(CONFIG_HAVE_FSP)
+ int ret;
-#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
- if (gd->fdt_blob)
- fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
+ ret = mtrr_commit(false);
+ /* If MTRR MSR is not implemented by the processor, just ignore it */
+ if (ret && ret != -ENOSYS)
+ return ret;
#endif
- total_size = ALIGN(uboot_size, 1 << 12) + CONFIG_SYS_MALLOC_LEN +
- CONFIG_SYS_STACK_SIZE + fdt_size;
-
- dest_addr = board_get_usable_ram_top(total_size);
- /*
- * NOTE: All destination address are rounded down to 16-byte
- * boundary to satisfy various worst-case alignment
- * requirements
- */
- dest_addr &= ~15;
-
-#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
- /*
- * If the device tree is sitting immediate above our image then we
- * must relocate it. If it is embedded in the data section, then it
- * will be relocated with other data.
- */
- if (gd->fdt_blob) {
- dest_addr -= fdt_size;
- gd->new_fdt = (void *)dest_addr;
- dest_addr &= ~15;
- }
-#endif
- /* U-Boot is below the FDT */
- dest_addr -= uboot_size;
- dest_addr &= ~((1 << 12) - 1);
- gd->relocaddr = dest_addr;
- gd->reloc_off = dest_addr - (uintptr_t)&__text_start;
-
- /* Stack is at the bottom, so it can grow down */
- gd->start_addr_sp = dest_addr - CONFIG_SYS_MALLOC_LEN;
-
- return 0;
-}
-
-int init_cache_f_r(void)
-{
/* Initialise the CPU cache(s) */
return init_cache();
}
-
-bd_t bd_data;
-
-int init_bd_struct_r(void)
-{
- gd->bd = &bd_data;
- memset(gd->bd, 0, sizeof(bd_t));
-
- return 0;
-}
-
-int init_func_spi(void)
-{
- puts("SPI: ");
- spi_init();
- puts("ready\n");
- return 0;
-}
-
-int find_fdt(void)
-{
-#ifdef CONFIG_OF_EMBED
- /* Get a pointer to the FDT */
- gd->fdt_blob = _binary_dt_dtb_start;
-#elif defined CONFIG_OF_SEPARATE
- /* FDT is at end of image */
- gd->fdt_blob = (ulong *)&_end;
-#endif
- /* Allow the early environment to override the fdt address */
- gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
- (uintptr_t)gd->fdt_blob);
-
- return 0;
-}
-
-int prepare_fdt(void)
-{
- /* For now, put this check after the console is ready */
- if (fdtdec_prepare_fdt()) {
- panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
- "doc/README.fdt-control");
- }
-
- return 0;
-}