void platform_init()
{
arm_setup();
mmu_setup();
tasks_setup();
// Basic prerequisites for everything else
miu_setup();
power_setup();
clock_setup();
// Need interrupts for everything afterwards
interrupt_setup();
gpio_setup();
// For scheduling/sleeping niceties
timer_setup();
event_setup();
wdt_setup();
// Other devices
uart_setup();
i2c_setup();
// dma_setup();
spi_setup();
LeaveCriticalSection();
aes_setup();
displaypipe_init();
framebuffer_setup();
framebuffer_setdisplaytext(TRUE);
lcd_set_backlight_level(186);
// audiohw_init();
//TODO: remove
task_init(&iboot_loader_task, "iboot loader", TASK_DEFAULT_STACK_SIZE);
task_start(&iboot_loader_task, &iboot_loader_run, NULL);
}
void platform_init()
{
arm_setup();
mmu_setup();
tasks_setup();
// Basic prerequisites for everything else
miu_setup();
power_setup();
clock_setup();
// Need interrupts for everything afterwards
interrupt_setup();
gpio_setup();
// For scheduling/sleeping niceties
timer_setup();
event_setup();
wdt_setup();
// Other devices
uart_setup();
i2c_setup();
dma_setup();
spi_setup();
LeaveCriticalSection();
clock_set_sdiv(0);
aes_setup();
lcd_setup();
framebuffer_setup();
audiohw_init();
framebuffer_setdisplaytext(TRUE);
}
static int setup_openiboot() {
arm_setup();
mmu_setup();
tasks_setup();
setup_devices();
LeaveCriticalSection();
clock_set_sdiv(0);
aes_setup();
nor_setup();
images_setup();
nvram_setup();
lcd_setup();
framebuffer_setup();
audiohw_init();
return 0;
}
void platform_init()
{
arm_setup();
mmu_setup();
tasks_setup();
// Basic prerequisites for everything else
miu_setup();
power_setup();
//framebuffer_hook(); // TODO: Remove once LCD implemented -- Ricky26
//framebuffer_setdisplaytext(TRUE);
clock_setup();
// Need interrupts for everything afterwards
interrupt_setup();
gpio_setup();
// For scheduling/sleeping niceties
timer_setup();
event_setup();
// Other devices
dma_setup();
//usb_shutdown();
uart_setup();
i2c_setup();
spi_setup();
LeaveCriticalSection();
aes_setup();
}
void OpenIBootStart() {
setup_processor();
mmu_setup();
setup_tasks();
setup_devices();
LeaveCriticalSection();
int i;
for(i = 0; i < 5; i++) {
printf("Devices loaded. OpenIBoot starting in: %d\r\n", 5 - i);
udelay(uSecPerSec);
}
event_add(&testEvent, uSecPerSec, &testEventHandler, NULL);
while(TRUE) {
void* x = malloc(10021);
udelay(100000);
free(x);
}
DebugReboot();
}
void sbromsw_entry(void)
{
toc0_private_head_t *toc0 = (toc0_private_head_t *)CONFIG_SBROMSW_BASE;
uint dram_size;
int ret, flag;
timer_init();
set_pll();
sunxi_serial_init(toc0_config->uart_port, toc0_config->uart_ctrl, 2);
printf("try to probe rtc region\n");
flag = rtc_region_probe_fel_flag();
printf("flag=0x%x\n", flag);
if(flag == SUNXI_RUN_EFEX_FLAG)
{
printf("sbromsw_entry sbromsw_probe_fel_flag\n");
rtc_region_clear_fel_flag();
goto __sbromsw_entry_err0;
}
#ifdef CONFIG_BOOT_A15
// printf("toc0_config->boot_cpu=0x%x\n", toc0_config->boot_cpu);
// if(toc0_config->boot_cpu)
// {
// flag = BOOT_A7_FLAG;
// }
// else
// {
// flag = BOOT_A15_FLAG;
// }
/*
boot_cpu 含义
bit0~7 bit8~15
0:不需要保存标志位 1:当前应该切换a15启动
1:通知u-boot保存 0:当前应该切换a7启动
每次从brom读取的boot_cpu只能是0x100或者0
*/
if(flag == BOOT_A15_FLAG)
{
rtc_region_clear_fel_flag();
if(toc0_config->boot_cpu == 0x00)
toc0_config->boot_cpu = 0x101; //a15启动，需要保存标志位
switch_to_a15(toc0_config->pwr_en);
}
else if(flag == BOOT_A7_FLAG)
{
rtc_region_clear_fel_flag();
if(toc0_config->boot_cpu == 0x100) //如果原本是a15启动
toc0_config->boot_cpu = 0x01; //a7启动，需要保存标志位
}
else
{
if(toc0_config->boot_cpu == 0x100)
{
switch_to_a15(toc0_config->pwr_en); //a15启动，不需要保存标志位
}
else
{
toc0_config->boot_cpu = 0x0; //a7启动，不需要保存标志位
}
}
//printf("toc0_config->boot_cpu=0x%x\n", toc0_config->boot_cpu);
#endif
printf("try to setup mmu\n");
//mmu init
mmu_setup();
printf("mmu setup ok\n");
//dram init
printf("try to init dram\n");
dram_size = init_DRAM(0, (void *)toc0_config->dram_para);
if (dram_size)
{
printf("init dram ok, size=%dM\n", dram_size);
}
else
{
printf("init dram fail\n");
goto __sbromsw_entry_err;
}
printf("init heap\n");
create_heap(CONFIG_HEAP_BASE, CONFIG_HEAP_SIZE);
printf("init gic\n");
gic_init();
printf("init flash\n");
ret = sunxi_flash_init(toc0->platform[0] & 0x0f); //初始化外部介质，准备读取TOC1数据
if(ret)
{
printf("sbromsw_entry sunxi_flash_init failed\n");
goto __sbromsw_entry_err;
}
ret = toc1_init(); //TOC1初始化，判断TOC1的头部是否合格
if(ret)
{
printf("sbromsw_entry toc1_init failed\n");
goto __sbromsw_entry_err;
}
ret = sbromsw_toc1_traverse();
if(ret)
{
printf("sbromsw_entry sbromsw_toc1_traverse failed\n");
goto __sbromsw_entry_err;
}
__sbromsw_entry_err:
#ifdef CONFIG_BOOT_A15
if(!(toc0_config->boot_cpu & 0xff00))
{
sbromsw_clear_env();
boot0_jump(SUNXI_FEL_ADDR_IN_SECURE);
}
else
{
rtc_region_set_flag(SUNXI_RUN_EFEX_FLAG);
sbromsw_clear_env();
watchdog_enable();
}
#endif
__sbromsw_entry_err0:
sbromsw_clear_env();
boot0_jump(SUNXI_FEL_ADDR_IN_SECURE);
}
/*******************************************************************************
*函数名称: Boot0_C_part
*函数原型：void Boot0_C_part( void )
*函数功能: Boot0中用C语言编写的部分的主流程
*入口参数: void
*返 回 值: void
*备 注:
*******************************************************************************/
void main( void )
{
__u32 status;
__s32 dram_size;
int ddr_aotu_scan = 0;
int pwr_en = 0;
__u32 fel_flag;
__u32 boot_cpu=0;
bias_calibration();
timer_init();
sunxi_serial_init( BT0_head.prvt_head.uart_port, (void *)BT0_head.prvt_head.uart_ctrl, 6 );
if( BT0_head.prvt_head.enable_jtag )
{
boot_set_gpio((normal_gpio_cfg *)BT0_head.prvt_head.jtag_gpio, 6, 1);
}
printf("HELLO! BOOT0 is starting!\n");
print_version();
#ifdef CONFIG_ARCH_SUN7I
reset_cpux(1);
#endif
fel_flag = rtc_region_probe_fel_flag();
if(fel_flag == SUNXI_RUN_EFEX_FLAG)
{
rtc_region_clear_fel_flag();
printf("eraly jump fel\n");
goto __boot0_entry_err0;
}
#ifdef CONFIG_BOOT_A15
// printf("BT0_head.boot_head.boot_cpu=0x%x\n", BT0_head.boot_head.boot_cpu);
// if(BT0_head.boot_head.boot_cpu)
// {
// fel_flag = BOOT_A7_FLAG;
// }
// else
// {
// fel_flag = BOOT_A15_FLAG;
// }
/*
boot_cpu 含义
bit0~7 bit8~15
0:不需要保存标志位 1:当前应该切换a15启动
1:通知u-boot保存 0:当前应该切换a7启动
每次从brom读取的boot_cpu只能是0x100或者0
*/
boot_cpu = BT0_head.boot_head.boot_cpu;
pwr_en = BT0_head.boot_head.pwr_en;
if(fel_flag == BOOT_A15_FLAG)
{
rtc_region_clear_fel_flag();
if(boot_cpu == 0x00) //如果原本是a7启动
boot_cpu = 0x101; //a15启动，需要保存标志位
switch_to_a15(pwr_en);
}
else if(fel_flag == BOOT_A7_FLAG)
{
rtc_region_clear_fel_flag();
if(boot_cpu == 0x100) //如果原本是a15启动
boot_cpu = 0x01; //a7启动，需要保存标志位
}
else
{
if(boot_cpu == 0x100)
{
switch_to_a15(pwr_en); //a15启动，不需要保存标志位
}
else
{
boot_cpu = 0x0; //a7启动，不需要保存标志位
}
}
// printf("BT0_head.boot_head.boot_cpu=0x%x\n", BT0_head.boot_head.boot_cpu);
#endif
mmu_setup();
ddr_aotu_scan = 0;
dram_size = init_DRAM(ddr_aotu_scan, (void *)BT0_head.prvt_head.dram_para);
if(dram_size)
{
//mdfs_save_value();
printf("dram size =%d\n", dram_size);
}
else
{
printf("initializing SDRAM Fail.\n");
goto __boot0_entry_err;
}
#if defined(CONFIG_ARCH_SUN9IW1P1)
__msdelay(100);
#endif
#ifdef CONFIG_ARCH_SUN7I
check_super_standby_flag();
#endif
status = load_boot1();
printf("Ready to disable icache.\n");
mmu_turn_off( ); // disable instruction cache
if( status == 0 )
{
//跳转之前，把所有的dram参数写到boot1中
set_dram_para((void *)&BT0_head.prvt_head.dram_para, dram_size, boot_cpu);
printf("Jump to secend Boot.\n");
boot0_jump(CONFIG_SYS_TEXT_BASE); // 如果载入Boot1成功，跳转到Boot1处执行
}
__boot0_entry_err:
#ifdef CONFIG_BOOT_A15
if(!(boot_cpu & 0xff00))
{
boot0_clear_env();
boot0_jump(FEL_BASE);
}
else
{
rtc_region_set_flag(SUNXI_RUN_EFEX_FLAG);
boot0_clear_env();
watchdog_enable();
}
#endif
__boot0_entry_err0:
boot0_clear_env();
boot0_jump(FEL_BASE);
}
