* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <os.h>
#include <post.h>
#include <spi.h>
+#include <trace.h>
#include <watchdog.h>
#include <asm/errno.h>
#include <asm/io.h>
#ifndef CONFIG_SANDBOX
ulong bss_start, bss_end;
-#ifdef CONFIG_SYS_SYM_OFFSETS
- bss_start = _bss_start_ofs + _TEXT_BASE;
- bss_end = _bss_end_ofs + _TEXT_BASE;
-#else
bss_start = (ulong)&__bss_start;
bss_end = (ulong)&__bss_end;
-#endif
+
debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n",
CONFIG_SYS_TEXT_BASE, bss_start, bss_end);
#endif
return 0;
}
-ulong get_effective_memsize(void)
-{
-#ifndef CONFIG_VERY_BIG_RAM
- return gd->ram_size;
-#else
- /* limit stack to what we can reasonable map */
- return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
- CONFIG_MAX_MEM_MAPPED : gd->ram_size);
-#endif
-}
-
void __dram_init_banksize(void)
{
#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
void dram_init_banksize(void)
__attribute__((weak, alias("__dram_init_banksize")));
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
static int init_func_i2c(void)
{
puts("I2C: ");
+#ifdef CONFIG_SYS_I2C
+ i2c_init_all();
+#else
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
puts("ready\n");
return 0;
}
static int setup_mon_len(void)
{
-#ifdef CONFIG_SYS_SYM_OFFSETS
- gd->mon_len = _bss_end_ofs;
+#ifdef __ARM__
+ gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#elif defined(CONFIG_SANDBOX)
gd->mon_len = (ulong)&_end - (ulong)_init;
#else
#ifdef CONFIG_SANDBOX
static int setup_ram_buf(void)
{
- gd->arch.ram_buf = os_malloc(CONFIG_SYS_SDRAM_SIZE);
- assert(gd->arch.ram_buf);
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ struct sandbox_state *state = state_get_current();
+
+ gd->arch.ram_buf = state->ram_buf;
+ gd->ram_size = state->ram_size;
return 0;
}
{
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
- gd->fdt_blob = _binary_dt_dtb_start;
+ gd->fdt_blob = __dtb_dt_begin;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
-# ifdef CONFIG_SYS_SYM_OFFSETS
- gd->fdt_blob = (void *)(_end_ofs + CONFIG_SYS_TEXT_BASE);
-# else
gd->fdt_blob = (ulong *)&_end;
-# endif
#elif defined(CONFIG_OF_HOSTFILE)
if (read_fdt_from_file()) {
puts("Failed to read control FDT\n");
#endif
gd->ram_top += get_effective_memsize();
gd->ram_top = board_get_usable_ram_top(gd->mon_len);
- gd->dest_addr = gd->ram_top;
+ gd->relocaddr = gd->ram_top;
debug("Ram top: %08lX\n", (ulong)gd->ram_top);
#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
/*
* We need to make sure the location we intend to put secondary core
* boot code is reserved and not used by any part of u-boot
*/
- if (gd->dest_addr > determine_mp_bootpg(NULL)) {
- gd->dest_addr = determine_mp_bootpg(NULL);
- debug("Reserving MP boot page to %08lx\n", gd->dest_addr);
+ if (gd->relocaddr > determine_mp_bootpg(NULL)) {
+ gd->relocaddr = determine_mp_bootpg(NULL);
+ debug("Reserving MP boot page to %08lx\n", gd->relocaddr);
}
#endif
- gd->dest_addr_sp = gd->dest_addr;
return 0;
}
static int reserve_logbuffer(void)
{
/* reserve kernel log buffer */
- gd->dest_addr -= LOGBUFF_RESERVE;
+ gd->relocaddr -= LOGBUFF_RESERVE;
debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
- gd->dest_addr);
+ gd->relocaddr);
return 0;
}
#endif
ulong reg;
reg = getenv_ulong("pram", 10, CONFIG_PRAM);
- gd->dest_addr -= (reg << 10); /* size is in kB */
+ gd->relocaddr -= (reg << 10); /* size is in kB */
debug("Reserving %ldk for protected RAM at %08lx\n", reg,
- gd->dest_addr);
+ gd->relocaddr);
return 0;
}
#endif /* CONFIG_PRAM */
/* Round memory pointer down to next 4 kB limit */
static int reserve_round_4k(void)
{
- gd->dest_addr &= ~(4096 - 1);
+ gd->relocaddr &= ~(4096 - 1);
return 0;
}
static int reserve_mmu(void)
{
/* reserve TLB table */
- gd->arch.tlb_size = 4096 * 4;
- gd->dest_addr -= gd->arch.tlb_size;
+ gd->arch.tlb_size = PGTABLE_SIZE;
+ gd->relocaddr -= gd->arch.tlb_size;
/* round down to next 64 kB limit */
- gd->dest_addr &= ~(0x10000 - 1);
+ gd->relocaddr &= ~(0x10000 - 1);
- gd->arch.tlb_addr = gd->dest_addr;
+ 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);
return 0;
gd->fb_base = CONFIG_FB_ADDR;
#else
/* reserve memory for LCD display (always full pages) */
- gd->dest_addr = lcd_setmem(gd->dest_addr);
- gd->fb_base = gd->dest_addr;
+ gd->relocaddr = lcd_setmem(gd->relocaddr);
+ gd->fb_base = gd->relocaddr;
#endif /* CONFIG_FB_ADDR */
return 0;
}
#endif /* CONFIG_LCD */
+static int reserve_trace(void)
+{
+#ifdef CONFIG_TRACE
+ gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE;
+ gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE);
+ debug("Reserving %dk for trace data at: %08lx\n",
+ CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr);
+#endif
+
+ return 0;
+}
+
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \
&& !defined(CONFIG_ARM) && !defined(CONFIG_X86)
static int reserve_video(void)
{
/* reserve memory for video display (always full pages) */
- gd->dest_addr = video_setmem(gd->dest_addr);
- gd->fb_base = gd->dest_addr;
+ gd->relocaddr = video_setmem(gd->relocaddr);
+ gd->fb_base = gd->relocaddr;
return 0;
}
* reserve memory for U-Boot code, data & bss
* round down to next 4 kB limit
*/
- gd->dest_addr -= gd->mon_len;
- gd->dest_addr &= ~(4096 - 1);
+ gd->relocaddr -= gd->mon_len;
+ gd->relocaddr &= ~(4096 - 1);
#ifdef CONFIG_E500
/* round down to next 64 kB limit so that IVPR stays aligned */
- gd->dest_addr &= ~(65536 - 1);
+ gd->relocaddr &= ~(65536 - 1);
#endif
debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10,
- gd->dest_addr);
+ gd->relocaddr);
+
+ gd->start_addr_sp = gd->relocaddr;
+
return 0;
}
/* reserve memory for malloc() area */
static int reserve_malloc(void)
{
- gd->dest_addr_sp = gd->dest_addr - TOTAL_MALLOC_LEN;
+ gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
debug("Reserving %dk for malloc() at: %08lx\n",
- TOTAL_MALLOC_LEN >> 10, gd->dest_addr_sp);
+ TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
return 0;
}
/* (permanently) allocate a Board Info struct */
static int reserve_board(void)
{
- gd->dest_addr_sp -= sizeof(bd_t);
- gd->bd = (bd_t *)map_sysmem(gd->dest_addr_sp, sizeof(bd_t));
+ gd->start_addr_sp -= 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",
- sizeof(bd_t), gd->dest_addr_sp);
+ sizeof(bd_t), gd->start_addr_sp);
return 0;
}
#endif
static int reserve_global_data(void)
{
- gd->dest_addr_sp -= sizeof(gd_t);
- gd->new_gd = (gd_t *)map_sysmem(gd->dest_addr_sp, sizeof(gd_t));
+ gd->start_addr_sp -= 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->dest_addr_sp);
+ sizeof(gd_t), gd->start_addr_sp);
return 0;
}
if (gd->fdt_blob) {
gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
- gd->dest_addr_sp -= gd->fdt_size;
- gd->new_fdt = map_sysmem(gd->dest_addr_sp, gd->fdt_size);
+ gd->start_addr_sp -= 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->dest_addr_sp);
+ gd->fdt_size, gd->start_addr_sp);
}
return 0;
{
#ifdef CONFIG_SPL_BUILD
# ifdef CONFIG_ARM
- gd->dest_addr_sp -= 128; /* leave 32 words for abort-stack */
- gd->irq_sp = gd->dest_addr_sp;
+ gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */
+ gd->irq_sp = gd->start_addr_sp;
# endif
#else
# ifdef CONFIG_PPC
# endif
/* setup stack pointer for exceptions */
- gd->dest_addr_sp -= 16;
- gd->dest_addr_sp &= ~0xf;
- gd->irq_sp = gd->dest_addr_sp;
+ gd->start_addr_sp -= 16;
+ gd->start_addr_sp &= ~0xf;
+ gd->irq_sp = gd->start_addr_sp;
/*
* Handle architecture-specific things here
* TODO(sjg@chromium.org): Perhaps create arch_reserve_stack()
* to handle this and put in arch/xxx/lib/stack.c
*/
-# ifdef CONFIG_ARM
+# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
# ifdef CONFIG_USE_IRQ
- gd->dest_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
+ gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
- CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->dest_addr_sp);
+ CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp);
/* 8-byte alignment for ARM ABI compliance */
- gd->dest_addr_sp &= ~0x07;
+ gd->start_addr_sp &= ~0x07;
# endif
/* leave 3 words for abort-stack, plus 1 for alignment */
- gd->dest_addr_sp -= 16;
+ gd->start_addr_sp -= 16;
# elif defined(CONFIG_PPC)
/* Clear initial stack frame */
- s = (ulong *) gd->dest_addr_sp;
+ s = (ulong *) gd->start_addr_sp;
*s = 0; /* Terminate back chain */
*++s = 0; /* NULL return address */
# endif /* Architecture specific code */
static int display_new_sp(void)
{
- debug("New Stack Pointer is: %08lx\n", gd->dest_addr_sp);
+ debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp);
return 0;
}
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
#endif
-#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
+#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
#endif
static int setup_reloc(void)
{
- gd->relocaddr = gd->dest_addr;
- gd->start_addr_sp = gd->dest_addr_sp;
- gd->reloc_off = gd->dest_addr - CONFIG_SYS_TEXT_BASE;
+ gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
debug("Relocation Offset is: %08lx\n", gd->reloc_off);
debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n",
- gd->dest_addr, (ulong)map_to_sysmem(gd->new_gd),
- gd->dest_addr_sp);
+ gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd),
+ gd->start_addr_sp);
return 0;
}
/* ARM calls relocate_code from its crt0.S */
-#if !defined(CONFIG_ARM)
+#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
static int jump_to_copy(void)
{
* (CPU cache)
*/
board_init_f_r_trampoline(gd->start_addr_sp);
-#elif defined(CONFIG_SANDBOX)
- board_init_r(gd->new_gd, 0);
#else
- relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr);
+ relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr);
#endif
return 0;
}
static init_fnc_t init_sequence_f[] = {
-#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
- !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
- !defined(CONFIG_MPC86xx) && !defined(CONFIG_X86)
- zero_global_data,
-#endif
#ifdef CONFIG_SANDBOX
setup_ram_buf,
#endif
- setup_fdt,
setup_mon_len,
+ setup_fdt,
+ trace_early_init,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/* TODO: can this go into arch_cpu_init()? */
probecpu,
#endif
display_options, /* say that we are here */
display_text_info, /* show debugging info if required */
-#if defined(CONFIG_8260)
+#if defined(CONFIG_MPC8260)
prt_8260_rsr,
prt_8260_clks,
-#endif /* CONFIG_8260 */
+#endif /* CONFIG_MPC8260 */
#if defined(CONFIG_MPC83xx)
prt_83xx_rsr,
#endif
#ifdef CONFIG_PPC
checkcpu,
#endif
-#if defined(CONFIG_DISPLAY_CPUINFO)
print_cpuinfo, /* display cpu info (and speed) */
-#endif
#if defined(CONFIG_MPC5xxx)
prt_mpc5xxx_clks,
#endif /* CONFIG_MPC5xxx */
misc_init_f,
#endif
INIT_FUNC_WATCHDOG_RESET
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
init_func_i2c,
#endif
#if defined(CONFIG_HARD_SPI)
#ifdef CONFIG_LCD
reserve_lcd,
#endif
+ reserve_trace,
/* TODO: Why the dependency on CONFIG_8xx? */
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \
&& !defined(CONFIG_ARM) && !defined(CONFIG_X86)
INIT_FUNC_WATCHDOG_RESET
reloc_fdt,
setup_reloc,
-#ifndef CONFIG_ARM
+#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
jump_to_copy,
#endif
NULL,
gd = &data;
#endif
+ /*
+ * Clear global data before it is accessed at debug print
+ * in initcall_run_list. Otherwise the debug print probably
+ * get the wrong vaule of gd->have_console.
+ */
+#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
+ !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
+ !defined(CONFIG_MPC86xx) && !defined(CONFIG_X86)
+ zero_global_data();
+#endif
+
gd->flags = boot_flags;
+ gd->have_console = 0;
if (initcall_run_list(init_sequence_f))
hang();
-#ifndef CONFIG_ARM
+#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
/* NOTREACHED - jump_to_copy() does not return */
hang();
#endif