#include <version.h>
#include <environment.h>
#include <fdtdec.h>
+#include <fs.h>
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
#endif
#include <mpc5xxx.h>
#endif
+#include <os.h>
#include <post.h>
#include <spi.h>
#include <watchdog.h>
+#include <asm/errno.h>
#include <asm/io.h>
#ifdef CONFIG_MP
#include <asm/mp.h>
#include <asm/init_helpers.h>
#include <asm/relocate.h>
#endif
+#ifdef CONFIG_SANDBOX
+#include <asm/state.h>
+#endif
#include <linux/compiler.h>
/*
static int display_text_info(void)
{
+#ifndef CONFIG_SANDBOX
ulong bss_start, bss_end;
#ifdef CONFIG_SYS_SYM_OFFSETS
#endif
debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n",
CONFIG_SYS_TEXT_BASE, bss_start, bss_end);
+#endif
#ifdef CONFIG_MODEM_SUPPORT
debug("Modem Support enabled\n");
{
#ifdef CONFIG_SYS_SYM_OFFSETS
gd->mon_len = _bss_end_ofs;
+#elif defined(CONFIG_SANDBOX)
+ gd->mon_len = (ulong)&_end - (ulong)_init;
#else
/* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
return 0;
}
+#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();
+ void *blob;
+ int size;
+ int err;
+
+ blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
+ if (!state->fdt_fname) {
+ err = make_empty_fdt(blob);
+ if (!err)
+ goto done;
+ return err;
+ }
+ 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)
+ return -EIO;
+
+done:
+ gd->fdt_blob = blob;
+
+ return 0;
+}
+#endif
+
+#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;
+
+ return 0;
+}
+#endif
+
static int setup_fdt(void)
{
#ifdef CONFIG_OF_EMBED
# else
gd->fdt_blob = (ulong *)&_end;
# endif
+#elif defined(CONFIG_OF_HOSTFILE)
+ if (read_fdt_from_file()) {
+ puts("Failed to read control FDT\n");
+ return -1;
+ }
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
static int reserve_board(void)
{
gd->dest_addr_sp -= sizeof(bd_t);
- gd->bd = (bd_t *)gd->dest_addr_sp;
+ gd->bd = (bd_t *)map_sysmem(gd->dest_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);
static int reserve_global_data(void)
{
gd->dest_addr_sp -= sizeof(gd_t);
- gd->new_gd = (gd_t *)gd->dest_addr_sp;
+ gd->new_gd = (gd_t *)map_sysmem(gd->dest_addr_sp, sizeof(gd_t));
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
sizeof(gd_t), gd->dest_addr_sp);
return 0;
gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
gd->dest_addr_sp -= gd->fdt_size;
- gd->new_fdt = (void *)gd->dest_addr_sp;
- debug("Reserving %lu Bytes for FDT at: %p\n",
- gd->fdt_size, gd->new_fdt);
+ gd->new_fdt = map_sysmem(gd->dest_addr_sp, gd->fdt_size);
+ debug("Reserving %lu Bytes for FDT at: %08lx\n",
+ gd->fdt_size, gd->dest_addr_sp);
}
return 0;
#if defined(CONFIG_MPC83xx)
bd->bi_immrbar = CONFIG_SYS_IMMR;
#endif
-#if defined(CONFIG_MPC8220)
- bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
- bd->bi_inpfreq = gd->arch.inp_clk;
- bd->bi_pcifreq = gd->pci_clk;
- bd->bi_vcofreq = gd->arch.vco_clk;
- bd->bi_pevfreq = gd->arch.pev_clk;
- bd->bi_flbfreq = gd->arch.flb_clk;
-
- /* store bootparam to sram (backward compatible), here? */
- {
- u32 *sram = (u32 *) CONFIG_SYS_SRAM_BASE;
-
- *sram++ = gd->ram_size;
- *sram++ = gd->bus_clk;
- *sram++ = gd->arch.inp_clk;
- *sram++ = gd->cpu_clk;
- *sram++ = gd->arch.vco_clk;
- *sram++ = gd->arch.flb_clk;
- *sram++ = 0xb8c3ba11; /* boot signature */
- }
-#endif
return 0;
}
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 %p, sp at %08lx\n",
- gd->dest_addr, gd->new_gd, gd->dest_addr_sp);
+ 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);
return 0;
}
* (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);
#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_MPC86xx) && !defined(CONFIG_X86)
zero_global_data,
+#endif
+#ifdef CONFIG_SANDBOX
+ setup_ram_buf,
#endif
setup_fdt,
setup_mon_len,
/* TODO: can we rename this to timer_init()? */
init_timebase,
#endif
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
- board_early_init_f,
-#endif
#ifdef CONFIG_ARM
timer_init, /* initialize timer */
#endif
init_baud_rate, /* initialze baudrate settings */
serial_init, /* serial communications setup */
console_init_f, /* stage 1 init of console */
-#if defined(CONFIG_X86) && defined(CONFIG_OF_CONTROL)
- prepare_fdt, /* TODO(sjg@chromium.org): remove */
+#ifdef CONFIG_SANDBOX
+ sandbox_early_getopt_check,
+#endif
+#ifdef CONFIG_OF_CONTROL
+ fdtdec_prepare_fdt,
#endif
display_options, /* say that we are here */
display_text_info, /* show debugging info if required */
#if defined(CONFIG_MPC5xxx)
prt_mpc5xxx_clks,
#endif /* CONFIG_MPC5xxx */
-#if defined(CONFIG_MPC8220)
- prt_mpc8220_clks,
-#endif
#if defined(CONFIG_DISPLAY_BOARDINFO)
checkboard, /* display board info */
#endif
#endif
#ifdef CONFIG_X86
dram_init_f, /* configure available RAM banks */
- /* x86 would prefer that this happens after relocation */
- dram_init,
+ calculate_relocation_address,
#endif
announce_dram_init,
/* TODO: unify all these dram functions? */
hang();
}
#endif /* CONFIG_X86 */
-
-void hang(void)
-{
- puts("### ERROR ### Please RESET the board ###\n");
- for (;;);
-}
projects / karo-tx-uboot.git / blobdiff