Add generic board support for sandbox.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
Changes in v2: None
arch/sandbox/config.mk | 3 +++
arch/sandbox/include/asm/io.h | 5 ++++
arch/sandbox/include/asm/u-boot.h | 7 ++++++
arch/sandbox/lib/Makefile | 2 ++
board/sandbox/sandbox/sandbox.c | 2 +-
common/board_f.c | 51 ++++++++++++++++++++++++++++++++-------
common/board_r.c | 8 ++++--
include/asm-generic/sections.h | 2 +-
include/configs/sandbox.h | 7 +++---
lib/fdtdec.c | 2 +-
10 files changed, 72 insertions(+), 17 deletions(-)
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk
index 4fd0d4e..aeb9da9 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -20,3 +20,6 @@
PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__ -U_FORTIFY_SOURCE
PLATFORM_CPPFLAGS += -DCONFIG_ARCH_MAP_SYSMEM
PLATFORM_LIBS += -lrt
+
+# Support generic board on sandbox
+__HAVE_ARCH_GENERIC_BOARD := y
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 54051a3..0c022f1 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -20,6 +20,9 @@
* MA 02111-1307 USA
*/
+#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
@@ -52,3 +55,5 @@ static inline void unmap_sysmem(const void *vaddr)
/* Map from a pointer to our RAM buffer */
phys_addr_t map_to_sysmem(void *ptr);
+
+#endif
diff --git a/arch/sandbox/include/asm/u-boot.h
b/arch/sandbox/include/asm/u-boot.h
index de8120a..7b93acb 100644
--- a/arch/sandbox/include/asm/u-boot.h
+++ b/arch/sandbox/include/asm/u-boot.h
@@ -36,6 +36,11 @@
#ifndef _U_BOOT_H_
#define _U_BOOT_H_ 1
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+#else
+
typedef struct bd_info {
unsigned long bi_memstart; /* start of DRAM memory */
phys_size_t bi_memsize; /* size of DRAM memory in bytes */
@@ -57,6 +62,8 @@ typedef struct bd_info {
} bi_dram[CONFIG_NR_DRAM_BANKS];
} bd_t;
+#endif /* !CONFIG_SYS_GENERIC_BOARD */
+
/* For image.h:image_check_target_arch() */
#define IH_ARCH_DEFAULT IH_ARCH_SANDBOX
diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile
index fbe579b..b1ae168 100644
--- a/arch/sandbox/lib/Makefile
+++ b/arch/sandbox/lib/Makefile
@@ -27,7 +27,9 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).o
+ifndef CONFIG_SYS_GENERIC_BOARD
COBJS-y += board.o
+endif
COBJS-y += interrupts.o
SRCS := $(COBJS-y:.o=.c)
diff --git a/board/sandbox/sandbox/sandbox.c b/board/sandbox/sandbox/sandbox.c
index 9883013..8bdba92 100644
--- a/board/sandbox/sandbox/sandbox.c
+++ b/board/sandbox/sandbox/sandbox.c
@@ -56,6 +56,6 @@ int timer_init(void)
int dram_init(void)
{
- gd->ram_size = CONFIG_DRAM_SIZE;
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
diff --git a/common/board_f.c b/common/board_f.c
index 00ca811..2045055 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -49,9 +49,11 @@
#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>
@@ -61,6 +63,9 @@
#include <asm/init_helpers.h>
#include <asm/relocate.h>
#endif
+#ifdef CONFIG_SANDBOX
+#include <asm/state.h>
+#endif
#include <linux/compiler.h>
/*
@@ -155,6 +160,7 @@ static int init_baud_rate(void)
static int display_text_info(void)
{
+#ifndef CONFIG_SANDBOX
ulong bss_start, bss_end;
#ifdef CONFIG_SYS_SYM_OFFSETS
@@ -166,6 +172,7 @@ static int display_text_info(void)
#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");
@@ -284,6 +291,8 @@ static int setup_mon_len(void)
{
#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;
@@ -296,6 +305,17 @@ __weak int arch_cpu_init(void)
return 0;
}
+#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
@@ -470,7 +490,7 @@ static int reserve_malloc(void)
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);
@@ -489,7 +509,7 @@ static int setup_machine(void)
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;
@@ -506,9 +526,9 @@ static int reserve_fdt(void)
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;
@@ -709,8 +729,9 @@ static int setup_reloc(void)
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;
}
@@ -736,6 +757,8 @@ 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);
#endif
@@ -758,6 +781,9 @@ static init_fnc_t init_sequence_f[] = {
!defined(CONFIG_MPC86xx) && !defined(CONFIG_X86)
zero_global_data,
#endif
+#ifdef CONFIG_SANDBOX
+ setup_ram_buf,
+#endif
setup_fdt,
setup_mon_len,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
@@ -816,8 +842,11 @@ static init_fnc_t init_sequence_f[] = {
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(s...@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 */
@@ -1007,5 +1036,9 @@ void board_init_f_r(void)
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
+#ifdef CONFIG_SANDBOX
+ os_exit(0);
+#else
for (;;);
+#endif
}
diff --git a/common/board_r.c b/common/board_r.c
index 2b17fa6..f801e41 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -136,7 +136,7 @@ static int initr_reloc_global_data(void)
{
#ifdef CONFIG_SYS_SYM_OFFSETS
monitor_flash_len = _end_ofs;
-#else
+#elif !defined(CONFIG_SANDBOX)
monitor_flash_len = (ulong)&__init_end - gd->dest_addr;
#endif
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
@@ -264,7 +264,8 @@ static int initr_malloc(void)
/* The malloc area is immediately below the monitor copy in DRAM */
malloc_start = gd->dest_addr - TOTAL_MALLOC_LEN;
- mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
+ mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
+ TOTAL_MALLOC_LEN);
return 0;
}
@@ -691,6 +692,9 @@ static int initr_modem(void)
static int run_main_loop(void)
{
+#ifdef CONFIG_SANDBOX
+ sandbox_main_loop_init();
+#endif
/* main_loop() can return to retry autoboot, if so just run it again */
for (;;)
main_loop();
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index cca1edb..4b39844 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -29,7 +29,7 @@ extern char _data[], _sdata[], _edata[];
extern char __bss_start[], __bss_stop[];
extern char __init_begin[], __init_end[];
extern char _sinittext[], _einittext[];
-extern char _end[];
+extern char _end[], _init[];
extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
extern char __kprobes_text_start[], __kprobes_text_end[];
extern char __entry_text_start[], __entry_text_end[];
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 406da43..da7cc9a 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -22,9 +22,6 @@
#ifndef __CONFIG_H
#define __CONFIG_H
-#define CONFIG_NR_DRAM_BANKS 1
-#define CONFIG_DRAM_SIZE (128 << 20)
-
/* Number of bits in a C 'long' on this architecture */
#define CONFIG_SANDBOX_BITS_PER_LONG 64
@@ -76,7 +73,11 @@
#define CONFIG_PHYS_64BIT
/* Size of our emulated memory */
+#define CONFIG_SYS_SDRAM_BASE 0
#define CONFIG_SYS_SDRAM_SIZE (128 << 20)
+#define CONFIG_SYS_TEXT_BASE 0
+#define CONFIG_SYS_MONITOR_BASE 0
+#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 92fbefe..60369fb 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -357,7 +357,7 @@ int fdtdec_prepare_fdt(void)
if (((uintptr_t)gd->fdt_blob & 3) || fdt_check_header(gd->fdt_blob)) {
printf("No valid FDT found - please append one to U-Boot "
"binary, use u-boot-dtb.bin or define "
- "CONFIG_OF_EMBED\n");
+ "CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");
return -1;
}
return 0;
--
1.8.2.1
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