ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/arch/sandbox/config.mk b/marvell/uboot/arch/sandbox/config.mk
new file mode 100644
index 0000000..6142dd4
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/config.mk
@@ -0,0 +1,9 @@
+# Copyright (c) 2011 The Chromium OS Authors.
+# SPDX-License-Identifier: GPL-2.0+
+
+PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__ -U_FORTIFY_SOURCE
+PLATFORM_CPPFLAGS += -DCONFIG_ARCH_MAP_SYSMEM -DCONFIG_SYS_GENERIC_BOARD
+PLATFORM_LIBS += -lrt
+
+# Support generic board on sandbox
+__HAVE_ARCH_GENERIC_BOARD := y
diff --git a/marvell/uboot/arch/sandbox/cpu/Makefile b/marvell/uboot/arch/sandbox/cpu/Makefile
new file mode 100644
index 0000000..58c2537
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/Makefile
@@ -0,0 +1,16 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := cpu.o os.o start.o state.o
+
+# os.c is build in the system environment, so needs standard includes
+$(obj)os.o: ALL_CFLAGS := $(BASE_CPPFLAGS) \
+ $(patsubst %, -idirafter %, $(BASE_INCLUDE_DIRS))
+$(obj).depend.os: CPPFLAGS := $(BASE_CPPFLAGS) \
+ $(patsubst %, -idirafter %, $(BASE_INCLUDE_DIRS))
diff --git a/marvell/uboot/arch/sandbox/cpu/cpu.c b/marvell/uboot/arch/sandbox/cpu/cpu.c
new file mode 100644
index 0000000..38019e0
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/cpu.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <os.h>
+#include <asm/state.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void reset_cpu(ulong ignored)
+{
+ if (state_uninit())
+ os_exit(2);
+
+ /* This is considered normal termination for now */
+ os_exit(0);
+}
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ reset_cpu(0);
+
+ return 0;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ os_usleep(usec);
+}
+
+unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
+{
+ return os_get_nsec() / 1000;
+}
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
+ bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+ printf("## Transferring control to Linux (at address %08lx)...\n",
+ images->ep);
+ reset_cpu(0);
+ }
+
+ return 0;
+}
+
+int cleanup_before_linux(void)
+{
+ return 0;
+}
+
+void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+ return (void *)(gd->arch.ram_buf + paddr);
+}
+
+phys_addr_t map_to_sysmem(void *ptr)
+{
+ return (u8 *)ptr - gd->arch.ram_buf;
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+}
diff --git a/marvell/uboot/arch/sandbox/cpu/os.c b/marvell/uboot/arch/sandbox/cpu/os.c
new file mode 100644
index 0000000..725b505
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/os.c
@@ -0,0 +1,440 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <linux/types.h>
+
+#include <asm/getopt.h>
+#include <asm/sections.h>
+#include <asm/state.h>
+#include <os.h>
+
+/* Operating System Interface */
+
+struct os_mem_hdr {
+ size_t length; /* number of bytes in the block */
+};
+
+ssize_t os_read(int fd, void *buf, size_t count)
+{
+ return read(fd, buf, count);
+}
+
+ssize_t os_read_no_block(int fd, void *buf, size_t count)
+{
+ const int flags = fcntl(fd, F_GETFL, 0);
+
+ fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+ return os_read(fd, buf, count);
+}
+
+ssize_t os_write(int fd, const void *buf, size_t count)
+{
+ return write(fd, buf, count);
+}
+
+off_t os_lseek(int fd, off_t offset, int whence)
+{
+ if (whence == OS_SEEK_SET)
+ whence = SEEK_SET;
+ else if (whence == OS_SEEK_CUR)
+ whence = SEEK_CUR;
+ else if (whence == OS_SEEK_END)
+ whence = SEEK_END;
+ else
+ os_exit(1);
+ return lseek(fd, offset, whence);
+}
+
+int os_open(const char *pathname, int os_flags)
+{
+ int flags;
+
+ switch (os_flags & OS_O_MASK) {
+ case OS_O_RDONLY:
+ default:
+ flags = O_RDONLY;
+ break;
+
+ case OS_O_WRONLY:
+ flags = O_WRONLY;
+ break;
+
+ case OS_O_RDWR:
+ flags = O_RDWR;
+ break;
+ }
+
+ if (os_flags & OS_O_CREAT)
+ flags |= O_CREAT;
+
+ return open(pathname, flags, 0777);
+}
+
+int os_close(int fd)
+{
+ return close(fd);
+}
+
+void os_exit(int exit_code)
+{
+ exit(exit_code);
+}
+
+/* Restore tty state when we exit */
+static struct termios orig_term;
+
+static void os_fd_restore(void)
+{
+ tcsetattr(0, TCSANOW, &orig_term);
+}
+
+/* Put tty into raw mode so <tab> and <ctrl+c> work */
+void os_tty_raw(int fd)
+{
+ static int setup = 0;
+ struct termios term;
+
+ if (setup)
+ return;
+ setup = 1;
+
+ /* If not a tty, don't complain */
+ if (tcgetattr(fd, &orig_term))
+ return;
+
+ term = orig_term;
+ term.c_iflag = IGNBRK | IGNPAR;
+ term.c_oflag = OPOST | ONLCR;
+ term.c_cflag = CS8 | CREAD | CLOCAL;
+ term.c_lflag = 0;
+ if (tcsetattr(fd, TCSANOW, &term))
+ return;
+
+ atexit(os_fd_restore);
+}
+
+void *os_malloc(size_t length)
+{
+ struct os_mem_hdr *hdr;
+
+ hdr = mmap(NULL, length + sizeof(*hdr), PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (hdr == MAP_FAILED)
+ return NULL;
+ hdr->length = length;
+
+ return hdr + 1;
+}
+
+void *os_free(void *ptr)
+{
+ struct os_mem_hdr *hdr = ptr;
+
+ hdr--;
+ if (ptr)
+ munmap(hdr, hdr->length + sizeof(*hdr));
+}
+
+void *os_realloc(void *ptr, size_t length)
+{
+ struct os_mem_hdr *hdr = ptr;
+ void *buf = NULL;
+
+ hdr--;
+ if (length != 0) {
+ buf = os_malloc(length);
+ if (!buf)
+ return buf;
+ if (ptr) {
+ if (length > hdr->length)
+ length = hdr->length;
+ memcpy(buf, ptr, length);
+ }
+ }
+ os_free(ptr);
+
+ return buf;
+}
+
+void os_usleep(unsigned long usec)
+{
+ usleep(usec);
+}
+
+uint64_t __attribute__((no_instrument_function)) os_get_nsec(void)
+{
+#if defined(CLOCK_MONOTONIC) && defined(_POSIX_MONOTONIC_CLOCK)
+ struct timespec tp;
+ if (EINVAL == clock_gettime(CLOCK_MONOTONIC, &tp)) {
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ tp.tv_sec = tv.tv_sec;
+ tp.tv_nsec = tv.tv_usec * 1000;
+ }
+ return tp.tv_sec * 1000000000ULL + tp.tv_nsec;
+#else
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec * 1000000000ULL + tv.tv_usec * 1000;
+#endif
+}
+
+static char *short_opts;
+static struct option *long_opts;
+
+int os_parse_args(struct sandbox_state *state, int argc, char *argv[])
+{
+ struct sandbox_cmdline_option **sb_opt = __u_boot_sandbox_option_start;
+ size_t num_options = __u_boot_sandbox_option_count();
+ size_t i;
+
+ int hidden_short_opt;
+ size_t si;
+
+ int c;
+
+ if (short_opts || long_opts)
+ return 1;
+
+ state->argc = argc;
+ state->argv = argv;
+
+ /* dynamically construct the arguments to the system getopt_long */
+ short_opts = os_malloc(sizeof(*short_opts) * num_options * 2 + 1);
+ long_opts = os_malloc(sizeof(*long_opts) * num_options);
+ if (!short_opts || !long_opts)
+ return 1;
+
+ /*
+ * getopt_long requires "val" to be unique (since that is what the
+ * func returns), so generate unique values automatically for flags
+ * that don't have a short option. pick 0x100 as that is above the
+ * single byte range (where ASCII/ISO-XXXX-X charsets live).
+ */
+ hidden_short_opt = 0x100;
+ si = 0;
+ for (i = 0; i < num_options; ++i) {
+ long_opts[i].name = sb_opt[i]->flag;
+ long_opts[i].has_arg = sb_opt[i]->has_arg ?
+ required_argument : no_argument;
+ long_opts[i].flag = NULL;
+
+ if (sb_opt[i]->flag_short) {
+ short_opts[si++] = long_opts[i].val = sb_opt[i]->flag_short;
+ if (long_opts[i].has_arg == required_argument)
+ short_opts[si++] = ':';
+ } else
+ long_opts[i].val = sb_opt[i]->flag_short = hidden_short_opt++;
+ }
+ short_opts[si] = '\0';
+
+ /* we need to handle output ourselves since u-boot provides printf */
+ opterr = 0;
+
+ /*
+ * walk all of the options the user gave us on the command line,
+ * figure out what u-boot option structure they belong to (via
+ * the unique short val key), and call the appropriate callback.
+ */
+ while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
+ for (i = 0; i < num_options; ++i) {
+ if (sb_opt[i]->flag_short == c) {
+ if (sb_opt[i]->callback(state, optarg)) {
+ state->parse_err = sb_opt[i]->flag;
+ return 0;
+ }
+ break;
+ }
+ }
+ if (i == num_options) {
+ /*
+ * store the faulting flag for later display. we have to
+ * store the flag itself as the getopt parsing itself is
+ * tricky: need to handle the following flags (assume all
+ * of the below are unknown):
+ * -a optopt='a' optind=<next>
+ * -abbbb optopt='a' optind=<this>
+ * -aaaaa optopt='a' optind=<this>
+ * --a optopt=0 optind=<this>
+ * as you can see, it is impossible to determine the exact
+ * faulting flag without doing the parsing ourselves, so
+ * we just report the specific flag that failed.
+ */
+ if (optopt) {
+ static char parse_err[3] = { '-', 0, '\0', };
+ parse_err[1] = optopt;
+ state->parse_err = parse_err;
+ } else
+ state->parse_err = argv[optind - 1];
+ break;
+ }
+ }
+
+ return 0;
+}
+
+void os_dirent_free(struct os_dirent_node *node)
+{
+ struct os_dirent_node *next;
+
+ while (node) {
+ next = node->next;
+ free(node);
+ node = next;
+ }
+}
+
+int os_dirent_ls(const char *dirname, struct os_dirent_node **headp)
+{
+ struct dirent entry, *result;
+ struct os_dirent_node *head, *node, *next;
+ struct stat buf;
+ DIR *dir;
+ int ret;
+ char *fname;
+ int len;
+
+ *headp = NULL;
+ dir = opendir(dirname);
+ if (!dir)
+ return -1;
+
+ /* Create a buffer for the maximum filename length */
+ len = sizeof(entry.d_name) + strlen(dirname) + 2;
+ fname = malloc(len);
+ if (!fname) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ for (node = head = NULL;; node = next) {
+ ret = readdir_r(dir, &entry, &result);
+ if (ret || !result)
+ break;
+ next = malloc(sizeof(*node) + strlen(entry.d_name) + 1);
+ if (!next) {
+ os_dirent_free(head);
+ ret = -ENOMEM;
+ goto done;
+ }
+ strcpy(next->name, entry.d_name);
+ switch (entry.d_type) {
+ case DT_REG:
+ next->type = OS_FILET_REG;
+ break;
+ case DT_DIR:
+ next->type = OS_FILET_DIR;
+ break;
+ case DT_LNK:
+ next->type = OS_FILET_LNK;
+ break;
+ }
+ next->size = 0;
+ snprintf(fname, len, "%s/%s", dirname, next->name);
+ if (!stat(fname, &buf))
+ next->size = buf.st_size;
+ if (node)
+ node->next = next;
+ if (!head)
+ head = node;
+ }
+ *headp = head;
+
+done:
+ closedir(dir);
+ return ret;
+}
+
+const char *os_dirent_typename[OS_FILET_COUNT] = {
+ " ",
+ "SYM",
+ "DIR",
+ "???",
+};
+
+const char *os_dirent_get_typename(enum os_dirent_t type)
+{
+ if (type >= 0 && type < OS_FILET_COUNT)
+ return os_dirent_typename[type];
+
+ return os_dirent_typename[OS_FILET_UNKNOWN];
+}
+
+ssize_t os_get_filesize(const char *fname)
+{
+ struct stat buf;
+ int ret;
+
+ ret = stat(fname, &buf);
+ if (ret)
+ return ret;
+ return buf.st_size;
+}
+
+void os_putc(int ch)
+{
+ putchar(ch);
+}
+
+void os_puts(const char *str)
+{
+ while (*str)
+ os_putc(*str++);
+}
+
+int os_write_ram_buf(const char *fname)
+{
+ struct sandbox_state *state = state_get_current();
+ int fd, ret;
+
+ fd = open(fname, O_CREAT | O_WRONLY, 0777);
+ if (fd < 0)
+ return -ENOENT;
+ ret = write(fd, state->ram_buf, state->ram_size);
+ close(fd);
+ if (ret != state->ram_size)
+ return -EIO;
+
+ return 0;
+}
+
+int os_read_ram_buf(const char *fname)
+{
+ struct sandbox_state *state = state_get_current();
+ int fd, ret;
+ int size;
+
+ size = os_get_filesize(fname);
+ if (size < 0)
+ return -ENOENT;
+ if (size != state->ram_size)
+ return -ENOSPC;
+ fd = open(fname, O_RDONLY);
+ if (fd < 0)
+ return -ENOENT;
+
+ ret = read(fd, state->ram_buf, state->ram_size);
+ close(fd);
+ if (ret != state->ram_size)
+ return -EIO;
+
+ return 0;
+}
diff --git a/marvell/uboot/arch/sandbox/cpu/start.c b/marvell/uboot/arch/sandbox/cpu/start.c
new file mode 100644
index 0000000..1df21d4
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/start.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <os.h>
+#include <asm/getopt.h>
+#include <asm/sections.h>
+#include <asm/state.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int sandbox_early_getopt_check(void)
+{
+ struct sandbox_state *state = state_get_current();
+ struct sandbox_cmdline_option **sb_opt = __u_boot_sandbox_option_start;
+ size_t num_options = __u_boot_sandbox_option_count();
+ size_t i;
+ int max_arg_len, max_noarg_len;
+
+ /* parse_err will be a string of the faulting option */
+ if (!state->parse_err)
+ return 0;
+
+ if (strcmp(state->parse_err, "help")) {
+ printf("u-boot: error: failed while parsing option: %s\n"
+ "\ttry running with --help for more information.\n",
+ state->parse_err);
+ os_exit(1);
+ }
+
+ printf(
+ "u-boot, a command line test interface to U-Boot\n\n"
+ "Usage: u-boot [options]\n"
+ "Options:\n");
+
+ max_arg_len = 0;
+ for (i = 0; i < num_options; ++i)
+ max_arg_len = max(strlen(sb_opt[i]->flag), max_arg_len);
+ max_noarg_len = max_arg_len + 7;
+
+ for (i = 0; i < num_options; ++i) {
+ struct sandbox_cmdline_option *opt = sb_opt[i];
+
+ /* first output the short flag if it has one */
+ if (opt->flag_short >= 0x100)
+ printf(" ");
+ else
+ printf(" -%c, ", opt->flag_short);
+
+ /* then the long flag */
+ if (opt->has_arg)
+ printf("--%-*s <arg> ", max_arg_len, opt->flag);
+ else
+ printf("--%-*s", max_noarg_len, opt->flag);
+
+ /* finally the help text */
+ printf(" %s\n", opt->help);
+ }
+
+ os_exit(0);
+}
+
+static int sandbox_cmdline_cb_help(struct sandbox_state *state, const char *arg)
+{
+ /* just flag to sandbox_early_getopt_check to show usage */
+ return 1;
+}
+SANDBOX_CMDLINE_OPT_SHORT(help, 'h', 0, "Display help");
+
+int sandbox_main_loop_init(void)
+{
+ struct sandbox_state *state = state_get_current();
+
+ /* Execute command if required */
+ if (state->cmd) {
+ run_command_list(state->cmd, -1, 0);
+ if (!state->interactive)
+ os_exit(state->exit_type);
+ }
+
+ return 0;
+}
+
+static int sandbox_cmdline_cb_command(struct sandbox_state *state,
+ const char *arg)
+{
+ state->cmd = arg;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command");
+
+static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg)
+{
+ state->fdt_fname = arg;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT");
+
+static int sandbox_cmdline_cb_interactive(struct sandbox_state *state,
+ const char *arg)
+{
+ state->interactive = true;
+ return 0;
+}
+
+SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode");
+
+static int sandbox_cmdline_cb_memory(struct sandbox_state *state,
+ const char *arg)
+{
+ int err;
+
+ /* For now assume we always want to write it */
+ state->write_ram_buf = true;
+ state->ram_buf_fname = arg;
+
+ if (os_read_ram_buf(arg)) {
+ printf("Failed to read RAM buffer\n");
+ return err;
+ }
+
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(memory, 'm', 1,
+ "Read/write ram_buf memory contents from file");
+
+static int sandbox_cmdline_cb_state(struct sandbox_state *state,
+ const char *arg)
+{
+ state->state_fname = arg;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(state, 's', 1, "Specify the sandbox state FDT");
+
+static int sandbox_cmdline_cb_read(struct sandbox_state *state,
+ const char *arg)
+{
+ state->read_state = true;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(read, 'r', 0, "Read the state FDT on startup");
+
+static int sandbox_cmdline_cb_write(struct sandbox_state *state,
+ const char *arg)
+{
+ state->write_state = true;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(write, 'w', 0, "Write state FDT on exit");
+
+static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state,
+ const char *arg)
+{
+ state->ignore_missing_state_on_read = true;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0,
+ "Ignore missing state on read");
+
+int main(int argc, char *argv[])
+{
+ struct sandbox_state *state;
+ int ret;
+
+ ret = state_init();
+ if (ret)
+ goto err;
+
+ state = state_get_current();
+ if (os_parse_args(state, argc, argv))
+ return 1;
+
+ ret = sandbox_read_state(state, state->state_fname);
+ if (ret)
+ goto err;
+
+ /* Do pre- and post-relocation init */
+ board_init_f(0);
+
+ board_init_r(gd->new_gd, 0);
+
+ /* NOTREACHED - board_init_r() does not return */
+ return 0;
+
+err:
+ printf("Error %d\n", ret);
+ return 1;
+}
diff --git a/marvell/uboot/arch/sandbox/cpu/state.c b/marvell/uboot/arch/sandbox/cpu/state.c
new file mode 100644
index 0000000..a145808
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/state.c
@@ -0,0 +1,388 @@
+/*
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <os.h>
+#include <asm/state.h>
+
+/* Main state record for the sandbox */
+static struct sandbox_state main_state;
+static struct sandbox_state *state; /* Pointer to current state record */
+
+void state_record_exit(enum exit_type_id exit_type)
+{
+ state->exit_type = exit_type;
+}
+
+static int state_ensure_space(int extra_size)
+{
+ void *blob = state->state_fdt;
+ int used, size, free;
+ void *buf;
+ int ret;
+
+ used = fdt_off_dt_strings(blob) + fdt_size_dt_strings(blob);
+ size = fdt_totalsize(blob);
+ free = size - used;
+ if (free > extra_size)
+ return 0;
+
+ size = used + extra_size;
+ buf = os_malloc(size);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = fdt_open_into(blob, buf, size);
+ if (ret) {
+ os_free(buf);
+ return -EIO;
+ }
+
+ os_free(blob);
+ state->state_fdt = buf;
+ return 0;
+}
+
+static int state_read_file(struct sandbox_state *state, const char *fname)
+{
+ int size;
+ int ret;
+ int fd;
+
+ size = os_get_filesize(fname);
+ if (size < 0) {
+ printf("Cannot find sandbox state file '%s'\n", fname);
+ return -ENOENT;
+ }
+ state->state_fdt = os_malloc(size);
+ if (!state->state_fdt) {
+ puts("No memory to read sandbox state\n");
+ return -ENOMEM;
+ }
+ fd = os_open(fname, OS_O_RDONLY);
+ if (fd < 0) {
+ printf("Cannot open sandbox state file '%s'\n", fname);
+ ret = -EPERM;
+ goto err_open;
+ }
+ if (os_read(fd, state->state_fdt, size) != size) {
+ printf("Cannot read sandbox state file '%s'\n", fname);
+ ret = -EIO;
+ goto err_read;
+ }
+ os_close(fd);
+
+ return 0;
+err_read:
+ os_close(fd);
+err_open:
+ os_free(state->state_fdt);
+ state->state_fdt = NULL;
+
+ return ret;
+}
+
+/***
+ * sandbox_read_state_nodes() - Read state associated with a driver
+ *
+ * This looks through all compatible nodes and calls the read function on
+ * each one, to read in the state.
+ *
+ * If nothing is found, it still calls the read function once, to set up a
+ * single global state for that driver.
+ *
+ * @state: Sandbox state
+ * @io: Method to use for reading state
+ * @blob: FDT containing state
+ * @return 0 if OK, -EINVAL if the read function returned failure
+ */
+int sandbox_read_state_nodes(struct sandbox_state *state,
+ struct sandbox_state_io *io, const void *blob)
+{
+ int count;
+ int node;
+ int ret;
+
+ debug(" - read %s\n", io->name);
+ if (!io->read)
+ return 0;
+
+ node = -1;
+ count = 0;
+ while (blob) {
+ node = fdt_node_offset_by_compatible(blob, node, io->compat);
+ if (node < 0)
+ return 0; /* No more */
+ debug(" - read node '%s'\n", fdt_get_name(blob, node, NULL));
+ ret = io->read(blob, node);
+ if (ret) {
+ printf("Unable to read state for '%s'\n", io->compat);
+ return -EINVAL;
+ }
+ count++;
+ }
+
+ /*
+ * If we got no saved state, call the read function once without a
+ * node, to set up the global state.
+ */
+ if (count == 0) {
+ debug(" - read global\n");
+ ret = io->read(NULL, -1);
+ if (ret) {
+ printf("Unable to read global state for '%s'\n",
+ io->name);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+int sandbox_read_state(struct sandbox_state *state, const char *fname)
+{
+ struct sandbox_state_io *io;
+ const void *blob;
+ bool got_err;
+ int ret;
+
+ if (state->read_state && fname) {
+ ret = state_read_file(state, fname);
+ if (ret == -ENOENT && state->ignore_missing_state_on_read)
+ ret = 0;
+ if (ret)
+ return ret;
+ }
+
+ /* Call all the state read funtcions */
+ got_err = false;
+ blob = state->state_fdt;
+ io = ll_entry_start(struct sandbox_state_io, state_io);
+ for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) {
+ ret = sandbox_read_state_nodes(state, io, blob);
+ if (ret < 0)
+ got_err = true;
+ }
+
+ if (state->read_state && fname) {
+ debug("Read sandbox state from '%s'%s\n", fname,
+ got_err ? " (with errors)" : "");
+ }
+
+ return got_err ? -1 : 0;
+}
+
+/***
+ * sandbox_write_state_node() - Write state associated with a driver
+ *
+ * This calls the write function to write out global state for that driver.
+ *
+ * TODO(sjg@chromium.org): Support writing out state from multiple drivers
+ * of the same time. We don't need this yet,and it will be much easier to
+ * do when driver model is available.
+ *
+ * @state: Sandbox state
+ * @io: Method to use for writing state
+ * @return 0 if OK, -EIO if there is a fatal error (such as out of space
+ * for adding the data), -EINVAL if the write function failed.
+ */
+int sandbox_write_state_node(struct sandbox_state *state,
+ struct sandbox_state_io *io)
+{
+ void *blob;
+ int node;
+ int ret;
+
+ if (!io->write)
+ return 0;
+
+ ret = state_ensure_space(SANDBOX_STATE_MIN_SPACE);
+ if (ret) {
+ printf("Failed to add more space for state\n");
+ return -EIO;
+ }
+
+ /* The blob location can change when the size increases */
+ blob = state->state_fdt;
+ node = fdt_node_offset_by_compatible(blob, -1, io->compat);
+ if (node == -FDT_ERR_NOTFOUND) {
+ node = fdt_add_subnode(blob, 0, io->name);
+ if (node < 0) {
+ printf("Cannot create node '%s': %s\n", io->name,
+ fdt_strerror(node));
+ return -EIO;
+ }
+
+ if (fdt_setprop_string(blob, node, "compatible", io->compat)) {
+ puts("Cannot set compatible\n");
+ return -EIO;
+ }
+ } else if (node < 0) {
+ printf("Cannot access node '%s': %s\n", io->name,
+ fdt_strerror(node));
+ return -EIO;
+ }
+ debug("Write state for '%s' to node %d\n", io->compat, node);
+ ret = io->write(blob, node);
+ if (ret) {
+ printf("Unable to write state for '%s'\n", io->compat);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int sandbox_write_state(struct sandbox_state *state, const char *fname)
+{
+ struct sandbox_state_io *io;
+ bool got_err;
+ int size;
+ int ret;
+ int fd;
+
+ /* Create a state FDT if we don't have one */
+ if (!state->state_fdt) {
+ size = 0x4000;
+ state->state_fdt = os_malloc(size);
+ if (!state->state_fdt) {
+ puts("No memory to create FDT\n");
+ return -ENOMEM;
+ }
+ ret = fdt_create_empty_tree(state->state_fdt, size);
+ if (ret < 0) {
+ printf("Cannot create empty state FDT: %s\n",
+ fdt_strerror(ret));
+ ret = -EIO;
+ goto err_create;
+ }
+ }
+
+ /* Call all the state write funtcions */
+ got_err = false;
+ io = ll_entry_start(struct sandbox_state_io, state_io);
+ ret = 0;
+ for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) {
+ ret = sandbox_write_state_node(state, io);
+ if (ret == -EIO)
+ break;
+ else if (ret)
+ got_err = true;
+ }
+
+ if (ret == -EIO) {
+ printf("Could not write sandbox state\n");
+ goto err_create;
+ }
+
+ ret = fdt_pack(state->state_fdt);
+ if (ret < 0) {
+ printf("Cannot pack state FDT: %s\n", fdt_strerror(ret));
+ ret = -EINVAL;
+ goto err_create;
+ }
+ size = fdt_totalsize(state->state_fdt);
+ fd = os_open(fname, OS_O_WRONLY | OS_O_CREAT);
+ if (fd < 0) {
+ printf("Cannot open sandbox state file '%s'\n", fname);
+ ret = -EIO;
+ goto err_create;
+ }
+ if (os_write(fd, state->state_fdt, size) != size) {
+ printf("Cannot write sandbox state file '%s'\n", fname);
+ ret = -EIO;
+ goto err_write;
+ }
+ os_close(fd);
+
+ debug("Wrote sandbox state to '%s'%s\n", fname,
+ got_err ? " (with errors)" : "");
+
+ return 0;
+err_write:
+ os_close(fd);
+err_create:
+ os_free(state->state_fdt);
+
+ return ret;
+}
+
+int state_setprop(int node, const char *prop_name, const void *data, int size)
+{
+ void *blob;
+ int len;
+ int ret;
+
+ fdt_getprop(state->state_fdt, node, prop_name, &len);
+
+ /* Add space for the new property, its name and some overhead */
+ ret = state_ensure_space(size - len + strlen(prop_name) + 32);
+ if (ret)
+ return ret;
+
+ /* This should succeed, barring a mutiny */
+ blob = state->state_fdt;
+ ret = fdt_setprop(blob, node, prop_name, data, size);
+ if (ret) {
+ printf("%s: Unable to set property '%s' in node '%s': %s\n",
+ __func__, prop_name, fdt_get_name(blob, node, NULL),
+ fdt_strerror(ret));
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
+struct sandbox_state *state_get_current(void)
+{
+ assert(state);
+ return state;
+}
+
+int state_init(void)
+{
+ state = &main_state;
+
+ state->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ state->ram_buf = os_malloc(state->ram_size);
+ assert(state->ram_buf);
+
+ /*
+ * Example of how to use GPIOs:
+ *
+ * sandbox_gpio_set_direction(170, 0);
+ * sandbox_gpio_set_value(170, 0);
+ */
+ return 0;
+}
+
+int state_uninit(void)
+{
+ int err;
+
+ state = &main_state;
+
+ if (state->write_ram_buf) {
+ err = os_write_ram_buf(state->ram_buf_fname);
+ if (err) {
+ printf("Failed to write RAM buffer\n");
+ return err;
+ }
+ }
+
+ if (state->write_state) {
+ if (sandbox_write_state(state, state->state_fname)) {
+ printf("Failed to write sandbox state\n");
+ return -1;
+ }
+ }
+
+ if (state->state_fdt)
+ os_free(state->state_fdt);
+ memset(state, '\0', sizeof(*state));
+
+ return 0;
+}
diff --git a/marvell/uboot/arch/sandbox/cpu/u-boot.lds b/marvell/uboot/arch/sandbox/cpu/u-boot.lds
new file mode 100644
index 0000000..7e92b4a
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/cpu/u-boot.lds
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+SECTIONS
+{
+
+ . = ALIGN(4);
+ .u_boot_list : {
+ KEEP(*(SORT(.u_boot_list*)));
+ }
+
+ __u_boot_sandbox_option_start = .;
+ _u_boot_sandbox_getopt : { *(.u_boot_sandbox_getopt) }
+ __u_boot_sandbox_option_end = .;
+
+ __bss_start = .;
+}
+
+INSERT BEFORE .data;
diff --git a/marvell/uboot/arch/sandbox/include/asm/bitops.h b/marvell/uboot/arch/sandbox/include/asm/bitops.h
new file mode 100644
index 0000000..74219c5
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/bitops.h
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * Copyright 1995, Russell King.
+ * Various bits and pieces copyrights include:
+ * Linus Torvalds (test_bit).
+ *
+ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
+ *
+ * Please note that the code in this file should never be included
+ * from user space. Many of these are not implemented in assembler
+ * since they would be too costly. Also, they require priviledged
+ * instructions (which are not available from user mode) to ensure
+ * that they are atomic.
+ */
+
+#ifndef __ASM_SANDBOX_BITOPS_H
+#define __ASM_SANDBOX_BITOPS_H
+
+#include <asm/system.h>
+
+#ifdef __KERNEL__
+
+#define smp_mb__before_clear_bit() do { } while (0)
+#define smp_mb__after_clear_bit() do { } while (0)
+
+/*
+ * Function prototypes to keep gcc -Wall happy.
+ */
+extern void set_bit(int nr, void *addr);
+
+extern void clear_bit(int nr, void *addr);
+
+extern void change_bit(int nr, void *addr);
+
+static inline void __change_bit(int nr, void *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+
+ *p ^= mask;
+}
+
+static inline int __test_and_set_bit(int nr, void *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old = *p;
+
+ *p = old | mask;
+ return (old & mask) != 0;
+}
+
+static inline int test_and_set_bit(int nr, void *addr)
+{
+ unsigned long flags;
+ int out;
+
+ local_irq_save(flags);
+ out = __test_and_set_bit(nr, addr);
+ local_irq_restore(flags);
+
+ return out;
+}
+
+static inline int __test_and_clear_bit(int nr, void *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old = *p;
+
+ *p = old & ~mask;
+ return (old & mask) != 0;
+}
+
+static inline int test_and_clear_bit(int nr, void *addr)
+{
+ unsigned long flags;
+ int out;
+
+ local_irq_save(flags);
+ out = __test_and_clear_bit(nr, addr);
+ local_irq_restore(flags);
+
+ return out;
+}
+
+extern int test_and_change_bit(int nr, void *addr);
+
+static inline int __test_and_change_bit(int nr, void *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
+ unsigned long old = *p;
+
+ *p = old ^ mask;
+ return (old & mask) != 0;
+}
+
+extern int find_first_zero_bit(void *addr, unsigned size);
+extern int find_next_zero_bit(void *addr, int size, int offset);
+
+/*
+ * This routine doesn't need to be atomic.
+ */
+static inline int test_bit(int nr, const void *addr)
+{
+ return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7));
+}
+
+/*
+ * ffz = Find First Zero in word. Undefined if no zero exists,
+ * so code should check against ~0UL first..
+ */
+static inline unsigned long ffz(unsigned long word)
+{
+ int k;
+
+ word = ~word;
+ k = 31;
+ if (word & 0x0000ffff) {
+ k -= 16; word <<= 16;
+ }
+ if (word & 0x00ff0000) {
+ k -= 8; word <<= 8;
+ }
+ if (word & 0x0f000000) {
+ k -= 4; word <<= 4;
+ }
+ if (word & 0x30000000) {
+ k -= 2; word <<= 2;
+ }
+ if (word & 0x40000000)
+ k -= 1;
+ return k;
+}
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+#define ext2_set_bit test_and_set_bit
+#define ext2_clear_bit test_and_clear_bit
+#define ext2_test_bit test_bit
+#define ext2_find_first_zero_bit find_first_zero_bit
+#define ext2_find_next_zero_bit find_next_zero_bit
+
+/* Bitmap functions for the minix filesystem. */
+#define minix_test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
+#define minix_set_bit(nr, addr) set_bit(nr, addr)
+#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
+#define minix_test_bit(nr, addr) test_bit(nr, addr)
+#define minix_find_first_zero_bit(addr, size) find_first_zero_bit(addr, size)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ARM_BITOPS_H */
diff --git a/marvell/uboot/arch/sandbox/include/asm/byteorder.h b/marvell/uboot/arch/sandbox/include/asm/byteorder.h
new file mode 100644
index 0000000..ba3c164
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/byteorder.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_SANDBOX_BYTEORDER_H
+#define __ASM_SANDBOX_BYTEORDER_H
+
+
+#include <asm/types.h>
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+# define __BYTEORDER_HAS_U64__
+# define __SWAB_64_THRU_32__
+#endif
+
+#ifdef CONFIG_SANDBOX_BIG_ENDIAN
+#include <linux/byteorder/big_endian.h>
+#else
+#include <linux/byteorder/little_endian.h>
+#endif
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/cache.h b/marvell/uboot/arch/sandbox/include/asm/cache.h
new file mode 100644
index 0000000..d28c385
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/cache.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SANDBOX_CACHE_H__
+#define __SANDBOX_CACHE_H__
+
+/*
+ * For native compilation of the sandbox we should still align
+ * the contents of stack buffers to something reasonable. The
+ * GCC macro __BIGGEST_ALIGNMENT__ is defined to be the maximum
+ * required alignment for any basic type. This seems reasonable.
+ */
+#define ARCH_DMA_MINALIGN __BIGGEST_ALIGNMENT__
+
+#endif /* __SANDBOX_CACHE_H__ */
diff --git a/marvell/uboot/arch/sandbox/include/asm/config.h b/marvell/uboot/arch/sandbox/include/asm/config.h
new file mode 100644
index 0000000..ec7729e
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/config.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_CONFIG_H_
+#define _ASM_CONFIG_H_
+
+#define CONFIG_SANDBOX_ARCH
+
+/* Used by drivers/spi/sandbox_spi.c and arch/sandbox/include/asm/state.h */
+#ifndef CONFIG_SANDBOX_SPI_MAX_BUS
+#define CONFIG_SANDBOX_SPI_MAX_BUS 1
+#endif
+#ifndef CONFIG_SANDBOX_SPI_MAX_CS
+#define CONFIG_SANDBOX_SPI_MAX_CS 10
+#endif
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/errno.h b/marvell/uboot/arch/sandbox/include/asm/errno.h
new file mode 100644
index 0000000..4c82b50
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/errno.h
@@ -0,0 +1 @@
+#include <asm-generic/errno.h>
diff --git a/marvell/uboot/arch/sandbox/include/asm/getopt.h b/marvell/uboot/arch/sandbox/include/asm/getopt.h
new file mode 100644
index 0000000..3048c2c
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/getopt.h
@@ -0,0 +1,72 @@
+/*
+ * Code for setting up command line flags like `./u-boot --help`
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __SANDBOX_GETOPT_H
+#define __SANDBOX_GETOPT_H
+
+struct sandbox_state;
+
+/*
+ * Internal structure for storing details about the flag.
+ * Most people should not have to dig around in this as
+ * it only gets parsed by the core sandbox code. End
+ * consumer code should focus on the macros below and
+ * the callback function.
+ */
+struct sandbox_cmdline_option {
+ /* The long flag name: "help" for "--help" */
+ const char *flag;
+ /* The (optional) short flag name: "h" for "-h" */
+ int flag_short;
+ /* The help string shown to the user when processing --help */
+ const char *help;
+ /* Whether this flag takes an argument */
+ int has_arg;
+ /* Callback into the end consumer code with the option */
+ int (*callback)(struct sandbox_state *state, const char *opt);
+};
+
+/*
+ * Internal macro to expand the lower macros into the necessary
+ * magic junk that makes this all work.
+ */
+#define _SANDBOX_CMDLINE_OPT(f, s, ha, h) \
+ static struct sandbox_cmdline_option sandbox_cmdline_option_##f = { \
+ .flag = #f, \
+ .flag_short = s, \
+ .help = h, \
+ .has_arg = ha, \
+ .callback = sandbox_cmdline_cb_##f, \
+ }; \
+ /* Ppointer to the struct in a special section for the linker script */ \
+ static __attribute__((section(".u_boot_sandbox_getopt"), used)) \
+ struct sandbox_cmdline_option \
+ *sandbox_cmdline_option_##f##_ptr = \
+ &sandbox_cmdline_option_##f
+
+/**
+ * Macros for end code to declare new command line flags.
+ *
+ * @param f The long flag name e.g. help
+ * @param ha Does the flag have an argument e.g. 0/1
+ * @param h The help string displayed when showing --help
+ *
+ * This invocation:
+ * SANDBOX_CMDLINE_OPT(foo, 0, "The foo arg");
+ * Will create a new flag named "--foo" (no short option) that takes
+ * no argument. If the user specifies "--foo", then the callback func
+ * sandbox_cmdline_cb_foo() will automatically be called.
+ */
+#define SANDBOX_CMDLINE_OPT(f, ha, h) _SANDBOX_CMDLINE_OPT(f, 0, ha, h)
+/*
+ * Same as above, but @s is used to specify a short flag e.g.
+ * SANDBOX_CMDLINE_OPT(foo, 'f', 0, "The foo arg");
+ */
+#define SANDBOX_CMDLINE_OPT_SHORT(f, s, ha, h) _SANDBOX_CMDLINE_OPT(f, s, ha, h)
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/global_data.h b/marvell/uboot/arch/sandbox/include/asm/global_data.h
new file mode 100644
index 0000000..b2e9b48
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/global_data.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * (C) Copyright 2002-2010
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_GBL_DATA_H
+#define __ASM_GBL_DATA_H
+
+/* Architecture-specific global data */
+struct arch_global_data {
+ uint8_t *ram_buf; /* emulated RAM buffer */
+};
+
+#include <asm-generic/global_data.h>
+
+#define DECLARE_GLOBAL_DATA_PTR extern gd_t *gd
+
+#endif /* __ASM_GBL_DATA_H */
diff --git a/marvell/uboot/arch/sandbox/include/asm/gpio.h b/marvell/uboot/arch/sandbox/include/asm/gpio.h
new file mode 100644
index 0000000..afb9c78
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/gpio.h
@@ -0,0 +1,65 @@
+/*
+ * This is the interface to the sandbox GPIO driver for test code which
+ * wants to change the GPIO values reported to U-Boot.
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_SANDBOX_GPIO_H
+#define __ASM_SANDBOX_GPIO_H
+
+/*
+ * We use the generic interface, and add a back-channel.
+ *
+ * The back-channel functions are declared in this file. They should not be used
+ * except in test code.
+ *
+ * Test code can, for example, call sandbox_gpio_set_value() to set the value of
+ * a simulated GPIO. From then on, normal code in U-Boot will see this new
+ * value when it calls gpio_get_value().
+ *
+ * NOTE: DO NOT use the functions in this file except in test code!
+ */
+#include <asm-generic/gpio.h>
+
+/**
+ * Return the simulated value of a GPIO (used only in sandbox test code)
+ *
+ * @param gp GPIO number
+ * @return -1 on error, 0 if GPIO is low, >0 if high
+ */
+int sandbox_gpio_get_value(unsigned gp);
+
+/**
+ * Set the simulated value of a GPIO (used only in sandbox test code)
+ *
+ * @param gp GPIO number
+ * @param value value to set (0 for low, non-zero for high)
+ * @return -1 on error, 0 if ok
+ */
+int sandbox_gpio_set_value(unsigned gp, int value);
+
+/**
+ * Return the simulated direction of a GPIO (used only in sandbox test code)
+ *
+ * @param gp GPIO number
+ * @return -1 on error, 0 if GPIO is input, >0 if output
+ */
+int sandbox_gpio_get_direction(unsigned gp);
+
+/**
+ * Set the simulated direction of a GPIO (used only in sandbox test code)
+ *
+ * @param gp GPIO number
+ * @param output 0 to set as input, 1 to set as output
+ * @return -1 on error, 0 if ok
+ */
+int sandbox_gpio_set_direction(unsigned gp, int output);
+
+/* Display information about each GPIO */
+void gpio_info(void);
+
+#define gpio_status() gpio_info()
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/io.h b/marvell/uboot/arch/sandbox/include/asm/io.h
new file mode 100644
index 0000000..7956041
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/io.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SANDBOX_ASM_IO_H
+#define __SANDBOX_ASM_IO_H
+
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+#define MAP_NOCACHE (0)
+#define MAP_WRCOMBINE (0)
+#define MAP_WRBACK (0)
+#define MAP_WRTHROUGH (0)
+
+void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags);
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
+/* For sandbox, we want addresses to point into our RAM buffer */
+static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
+{
+ return map_physmem(paddr, len, MAP_WRBACK);
+}
+
+static inline void unmap_sysmem(const void *vaddr)
+{
+}
+
+/* Map from a pointer to our RAM buffer */
+phys_addr_t map_to_sysmem(const void *ptr);
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/posix_types.h b/marvell/uboot/arch/sandbox/include/asm/posix_types.h
new file mode 100644
index 0000000..ec18ed7
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/posix_types.h
@@ -0,0 +1,57 @@
+/*
+ * linux/include/asm-arm/posix_types.h
+ *
+ * Copyright (C) 1996-1998 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Changelog:
+ * 27-06-1996 RMK Created
+ */
+#ifndef __ARCH_ARM_POSIX_TYPES_H
+#define __ARCH_ARM_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned short __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+#if CONFIG_SANDBOX_BITS_PER_LONG == 32
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+#else
+typedef unsigned long __kernel_size_t;
+typedef long __kernel_ssize_t;
+typedef long __kernel_ptrdiff_t;
+#endif
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char *__kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/ptrace.h b/marvell/uboot/arch/sandbox/include/asm/ptrace.h
new file mode 100644
index 0000000..e9f552f
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/ptrace.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_SANDBOX_PTRACE_H
+#define __ASM_SANDBOX_PTRACE_H
+
+#ifndef __ASSEMBLY__
+/* This is not used in the sandbox architecture, but required by U-Boot */
+struct pt_regs {
+};
+
+#ifdef __KERNEL__
+extern void show_regs(struct pt_regs *);
+
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/sections.h b/marvell/uboot/arch/sandbox/include/asm/sections.h
new file mode 100644
index 0000000..fbc1bd1
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/sections.h
@@ -0,0 +1,24 @@
+/*
+ * decls for symbols defined in the linker script
+ *
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __SANDBOX_SECTIONS_H
+#define __SANDBOX_SECTIONS_H
+
+#include <asm-generic/sections.h>
+
+struct sandbox_cmdline_option;
+
+extern struct sandbox_cmdline_option *__u_boot_sandbox_option_start[],
+ *__u_boot_sandbox_option_end[];
+
+static inline size_t __u_boot_sandbox_option_count(void)
+{
+ return __u_boot_sandbox_option_end - __u_boot_sandbox_option_start;
+}
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/spi.h b/marvell/uboot/arch/sandbox/include/asm/spi.h
new file mode 100644
index 0000000..49b4a0f
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/spi.h
@@ -0,0 +1,58 @@
+/*
+ * Simulate a SPI port and clients (see README.sandbox for details)
+ *
+ * Copyright (c) 2011-2013 The Chromium OS Authors.
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_SPI_H__
+#define __ASM_SPI_H__
+
+#include <linux/types.h>
+
+/*
+ * The interface between the SPI bus and the SPI client. The bus will
+ * instantiate a client, and that then call into it via these entry
+ * points. These should be enough for the client to emulate the SPI
+ * device just like the real hardware.
+ */
+struct sandbox_spi_emu_ops {
+ /* The bus wants to instantiate a new client, so setup everything */
+ int (*setup)(void **priv, const char *spec);
+ /* The bus is done with us, so break things down */
+ void (*free)(void *priv);
+ /* The CS has been "activated" -- we won't worry about low/high */
+ void (*cs_activate)(void *priv);
+ /* The CS has been "deactivated" -- we won't worry about low/high */
+ void (*cs_deactivate)(void *priv);
+ /* The client is rx-ing bytes from the bus, so it should tx some */
+ int (*xfer)(void *priv, const u8 *rx, u8 *tx, uint bytes);
+};
+
+/*
+ * There are times when the data lines are allowed to tristate. What
+ * is actually sensed on the line depends on the hardware. It could
+ * always be 0xFF/0x00 (if there are pull ups/downs), or things could
+ * float and so we'd get garbage back. This func encapsulates that
+ * scenario so we can worry about the details here.
+ */
+static inline void sandbox_spi_tristate(u8 *buf, uint len)
+{
+ /* XXX: make this into a user config option ? */
+ memset(buf, 0xff, len);
+}
+
+/*
+ * Extract the bus/cs from the spi spec and return the start of the spi
+ * client spec. If the bus/cs are invalid for the current config, then
+ * it returns NULL.
+ *
+ * Example: arg="0:1:foo" will set bus to 0, cs to 1, and return "foo"
+ */
+const char *sandbox_spi_parse_spec(const char *arg, unsigned long *bus,
+ unsigned long *cs);
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/state.h b/marvell/uboot/arch/sandbox/include/asm/state.h
new file mode 100644
index 0000000..e8e4fea
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/state.h
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SANDBOX_STATE_H
+#define __SANDBOX_STATE_H
+
+#include <config.h>
+#include <stdbool.h>
+#include <linux/stringify.h>
+
+/* How we exited U-Boot */
+enum exit_type_id {
+ STATE_EXIT_NORMAL,
+ STATE_EXIT_COLD_REBOOT,
+ STATE_EXIT_POWER_OFF,
+};
+
+struct sandbox_spi_info {
+ const char *spec;
+ const struct sandbox_spi_emu_ops *ops;
+};
+
+/* The complete state of the test system */
+struct sandbox_state {
+ const char *cmd; /* Command to execute */
+ bool interactive; /* Enable cmdline after execute */
+ const char *fdt_fname; /* Filename of FDT binary */
+ enum exit_type_id exit_type; /* How we exited U-Boot */
+ const char *parse_err; /* Error to report from parsing */
+ int argc; /* Program arguments */
+ char **argv;
+ uint8_t *ram_buf; /* Emulated RAM buffer */
+ unsigned int ram_size; /* Size of RAM buffer */
+ const char *ram_buf_fname; /* Filename to use for RAM buffer */
+ bool write_ram_buf; /* Write RAM buffer on exit */
+ const char *state_fname; /* File containing sandbox state */
+ void *state_fdt; /* Holds saved state for sandbox */
+ bool read_state; /* Read sandbox state on startup */
+ bool write_state; /* Write sandbox state on exit */
+ bool ignore_missing_state_on_read; /* No error if state missing */
+
+ /* Pointer to information for each SPI bus/cs */
+ struct sandbox_spi_info spi[CONFIG_SANDBOX_SPI_MAX_BUS]
+ [CONFIG_SANDBOX_SPI_MAX_CS];
+};
+
+/* Minimum space we guarantee in the state FDT when calling read/write*/
+#define SANDBOX_STATE_MIN_SPACE 0x1000
+
+/**
+ * struct sandbox_state_io - methods to saved/restore sandbox state
+ * @name: Name of of the device tree node, also the name of the variable
+ * holding this data so it should be an identifier (use underscore
+ * instead of minus)
+ * @compat: Compatible string for the node containing this state
+ *
+ * @read: Function to read state from FDT
+ * If data is available, then blob and node will provide access to it. If
+ * not (blob == NULL and node == -1) this function should set up an empty
+ * data set for start-of-day.
+ * @param blob: Pointer to device tree blob, or NULL if no data to read
+ * @param node: Node offset to read from
+ * @return 0 if OK, -ve on error
+ *
+ * @write: Function to write state to FDT
+ * The caller will ensure that there is a node ready for the state. The
+ * node may already contain the old state, in which case it should be
+ * overridden. There is guaranteed to be SANDBOX_STATE_MIN_SPACE bytes
+ * of free space, so error checking is not required for fdt_setprop...()
+ * calls which add up to less than this much space.
+ *
+ * For adding larger properties, use state_setprop().
+ *
+ * @param blob: Device tree blob holding state
+ * @param node: Node to write our state into
+ *
+ * Note that it is possible to save data as large blobs or as individual
+ * hierarchical properties. However, unless you intend to keep state files
+ * around for a long time and be able to run an old state file on a new
+ * sandbox, it might not be worth using individual properties for everything.
+ * This is certainly supported, it is just a matter of the effort you wish
+ * to put into the state read/write feature.
+ */
+struct sandbox_state_io {
+ const char *name;
+ const char *compat;
+ int (*write)(void *blob, int node);
+ int (*read)(const void *blob, int node);
+};
+
+/**
+ * SANDBOX_STATE_IO - Declare sandbox state to read/write
+ *
+ * Sandbox permits saving state from one run and restoring it in another. This
+ * allows the test system to retain state between runs and thus better
+ * emulate a real system. Examples of state that might be useful to save are
+ * the emulated GPIOs pin settings, flash memory contents and TPM private
+ * data. U-Boot memory contents is dealth with separately since it is large
+ * and it is not normally useful to save it (since a normal system does not
+ * preserve DRAM between runs). See the '-m' option for this.
+ *
+ * See struct sandbox_state_io above for member documentation.
+ */
+#define SANDBOX_STATE_IO(_name, _compat, _read, _write) \
+ ll_entry_declare(struct sandbox_state_io, _name, state_io) = { \
+ .name = __stringify(_name), \
+ .read = _read, \
+ .write = _write, \
+ .compat = _compat, \
+ }
+
+/**
+ * Record the exit type to be reported by the test program.
+ *
+ * @param exit_type Exit type to record
+ */
+void state_record_exit(enum exit_type_id exit_type);
+
+/**
+ * Gets a pointer to the current state.
+ *
+ * @return pointer to state
+ */
+struct sandbox_state *state_get_current(void);
+
+/**
+ * Read the sandbox state from the supplied device tree file
+ *
+ * This calls all registered state handlers to read in the sandbox state
+ * from a previous test run.
+ *
+ * @param state Sandbox state to update
+ * @param fname Filename of device tree file to read from
+ * @return 0 if OK, -ve on error
+ */
+int sandbox_read_state(struct sandbox_state *state, const char *fname);
+
+/**
+ * Write the sandbox state to the supplied device tree file
+ *
+ * This calls all registered state handlers to write out the sandbox state
+ * so that it can be preserved for a future test run.
+ *
+ * If the file exists it is overwritten.
+ *
+ * @param state Sandbox state to update
+ * @param fname Filename of device tree file to write to
+ * @return 0 if OK, -ve on error
+ */
+int sandbox_write_state(struct sandbox_state *state, const char *fname);
+
+/**
+ * Add a property to a sandbox state node
+ *
+ * This is equivalent to fdt_setprop except that it automatically enlarges
+ * the device tree if necessary. That means it is safe to write any amount
+ * of data here.
+ *
+ * This function can only be called from within struct sandbox_state_io's
+ * ->write method, i.e. within state I/O drivers.
+ *
+ * @param node Device tree node to write to
+ * @param prop_name Property to write
+ * @param data Data to write into property
+ * @param size Size of data to write into property
+ */
+int state_setprop(int node, const char *prop_name, const void *data, int size);
+
+/**
+ * Initialize the test system state
+ */
+int state_init(void);
+
+/**
+ * Uninitialize the test system state, writing out state if configured to
+ * do so.
+ *
+ * @return 0 if OK, -ve on error
+ */
+int state_uninit(void);
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/string.h b/marvell/uboot/arch/sandbox/include/asm/string.h
new file mode 100644
index 0000000..f247ff3
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/string.h
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/string.h>
diff --git a/marvell/uboot/arch/sandbox/include/asm/system.h b/marvell/uboot/arch/sandbox/include/asm/system.h
new file mode 100644
index 0000000..066acc5
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/system.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_SANDBOX_SYSTEM_H
+#define __ASM_SANDBOX_SYSTEM_H
+
+/* Define this as nops for sandbox architecture */
+static inline void local_irq_save(unsigned flags __attribute__((unused)))
+{
+}
+
+#define local_irq_enable()
+#define local_irq_disable()
+#define local_save_flags(x)
+#define local_irq_restore(x)
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/types.h b/marvell/uboot/arch/sandbox/include/asm/types.h
new file mode 100644
index 0000000..6d3eb1f
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/types.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_SANDBOX_TYPES_H
+#define __ASM_SANDBOX_TYPES_H
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__)
+__extension__ typedef __signed__ long long __s64;
+__extension__ typedef unsigned long long __u64;
+#endif
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+#define BITS_PER_LONG CONFIG_SANDBOX_BITS_PER_LONG
+
+typedef unsigned long dma_addr_t;
+typedef u32 phys_addr_t;
+typedef u32 phys_size_t;
+
+#endif /* __KERNEL__ */
+
+#endif
diff --git a/marvell/uboot/arch/sandbox/include/asm/u-boot-sandbox.h b/marvell/uboot/arch/sandbox/include/asm/u-boot-sandbox.h
new file mode 100644
index 0000000..5707c27
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/u-boot-sandbox.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _U_BOOT_SANDBOX_H_
+#define _U_BOOT_SANDBOX_H_
+
+/* board/.../... */
+int board_init(void);
+int dram_init(void);
+
+/* start.c */
+int sandbox_early_getopt_check(void);
+int sandbox_main_loop_init(void);
+
+int cleanup_before_linux(void);
+
+#endif /* _U_BOOT_SANDBOX_H_ */
diff --git a/marvell/uboot/arch/sandbox/include/asm/u-boot.h b/marvell/uboot/arch/sandbox/include/asm/u-boot.h
new file mode 100644
index 0000000..8279894
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/u-boot.h
@@ -0,0 +1,29 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ ********************************************************************
+ * NOTE: This header file defines an interface to U-Boot. Including
+ * this (unmodified) header file in another file is considered normal
+ * use of U-Boot, and does *not* fall under the heading of "derived
+ * work".
+ ********************************************************************
+ */
+
+#ifndef _U_BOOT_H_
+#define _U_BOOT_H_ 1
+
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+
+/* For image.h:image_check_target_arch() */
+#define IH_ARCH_DEFAULT IH_ARCH_SANDBOX
+
+#endif /* _U_BOOT_H_ */
diff --git a/marvell/uboot/arch/sandbox/include/asm/unaligned.h b/marvell/uboot/arch/sandbox/include/asm/unaligned.h
new file mode 100644
index 0000000..e529804
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/include/asm/unaligned.h
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm-generic/unaligned.h>
diff --git a/marvell/uboot/arch/sandbox/lib/Makefile b/marvell/uboot/arch/sandbox/lib/Makefile
new file mode 100644
index 0000000..4c1a38d
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/lib/Makefile
@@ -0,0 +1,11 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# (C) Copyright 2002-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+
+obj-y += interrupts.o
diff --git a/marvell/uboot/arch/sandbox/lib/interrupts.c b/marvell/uboot/arch/sandbox/lib/interrupts.c
new file mode 100644
index 0000000..c6d8ae9
--- /dev/null
+++ b/marvell/uboot/arch/sandbox/lib/interrupts.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+int interrupt_init(void)
+{
+ return 0;
+}
+
+void enable_interrupts(void)
+{
+ return;
+}
+int disable_interrupts(void)
+{
+ return 0;
+}