* 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_OF_HOSTFILE
-#define CHECK(x) err = (x); if (err) goto failed;
-
-/* Create an empty device tree blob */
-static int make_empty_fdt(void *fdt)
-{
- int err;
-
- CHECK(fdt_create(fdt, 256));
- CHECK(fdt_finish_reservemap(fdt));
- CHECK(fdt_begin_node(fdt, ""));
- CHECK(fdt_end_node(fdt));
- CHECK(fdt_finish(fdt));
-
- return 0;
-failed:
- printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
- return -EACCES;
-}
-
static int read_fdt_from_file(void)
{
struct sandbox_state *state = state_get_current();
+ const char *fname = state->fdt_fname;
void *blob;
- int size;
+ ssize_t size;
int err;
+ int fd;
blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
if (!state->fdt_fname) {
- err = make_empty_fdt(blob);
+ err = fdt_create_empty_tree(blob, 256);
if (!err)
goto done;
- return err;
+ printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
+ return -EINVAL;
+ }
+
+ size = os_get_filesize(fname);
+ if (size < 0) {
+ printf("Failed to file FDT file '%s'\n", fname);
+ return -ENOENT;
+ }
+ fd = os_open(fname, OS_O_RDONLY);
+ if (fd < 0) {
+ printf("Failed to open FDT file '%s'\n", fname);
+ return -EACCES;
}
- err = fs_set_blk_dev("host", NULL, FS_TYPE_SANDBOX);
- if (err)
- return err;
- size = fs_read(state->fdt_fname, CONFIG_SYS_FDT_LOAD_ADDR, 0, 0);
- if (size < 0)
+ if (os_read(fd, blob, size) != size) {
+ os_close(fd);
return -EIO;
+ }
+ os_close(fd);
done:
gd->fdt_blob = blob;
#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");
static int reserve_mmu(void)
{
/* reserve TLB table */
- gd->arch.tlb_size = 4096 * 4;
+ gd->arch.tlb_size = PGTABLE_SIZE;
gd->relocaddr -= gd->arch.tlb_size;
/* round down to next 64 kB limit */
}
#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)
* 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->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
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
}
/* 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->start_addr_sp, gd->new_gd, gd->relocaddr);
#endif
}
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