//extern char _text_end;
//=============================================================================
// IRAM code
//=============================================================================
// call_user_start() - вызов из заголовка, загрузчиком
// ENTRY(call_user_start) in eagle.app.v6.ld
//-----------------------------------------------------------------------------
void __attribute__ ((noreturn)) call_user_start(void)
{
// Cache_Read_Disable();
IO_RTC_4 = 0; // Отключить блок WiFi (уменьшение потребления на время загрузки)
GPIO0_MUX_alt = VAL_MUX_GPIO0_SDK_DEF; // Отключить вывод CLK на GPIO0
SPI0_USER |= SPI_CS_SETUP; // +1 такт перед CS = 0x80000064
#if FQSPI == 80 // xSPI на 80 MHz
GPIO_MUX_CFG_alt |= BIT(MUX_SPI0_CLK_BIT); // QSPI = 80 MHz
SPI0_CTRL = (SPI0_CTRL & SPI_CTRL_F_MASK) | SPI_CTRL_F80MHZ;
#else // xSPI на 40 MHz
GPIO_MUX_CFG_alt &= ~(1<< MUX_SPI0_CLK_BIT);
SPI0_CTRL = (SPI0_CTRL & SPI_CTRL_F_MASK) | SPI_CTRL_F40MHZ;
#endif
// OTA
#if DEBUGSOO > 1
p_printf("\nStart OTA loader.\n");
#endif
uint32_t buffer[SPI_FLASH_SEC_SIZE/4];
SPIRead(esp_init_data_default_addr + MAX_SYS_CONST_BLOCK, buffer, (sizeof(OTA_flash_struct)+3)&~3);
OTA_flash_struct *OTA = (OTA_flash_struct *)buffer;
if(OTA->id == OTA_flash_struct_id) {
uint32 image_start = OTA->image_addr;
uint32 sectors = OTA->image_sectors;
SPIRead(image_start, buffer, 4);
if(*(uint8 *)buffer == firmware_start_magic) {
#if DEBUGSOO > 0
p_printf("Update firmware from 0x%x, %u sectors: ", image_start, sectors);
#endif
ets_delay_us(1000000); // 1 sec
uint32 write_to = 0;
for(uint32 i = 0; i < sectors; i++) {
SPIRead(image_start + i * SPI_FLASH_SEC_SIZE, buffer, SPI_FLASH_SEC_SIZE);
SPIEraseSector(i);
SPIWrite(write_to, buffer, SPI_FLASH_SEC_SIZE);
write_to += SPI_FLASH_SEC_SIZE;
#if DEBUGSOO > 0
p_printf("x");
#endif
}
#if DEBUGSOO > 0
p_printf("\nOk.");
#endif
if(image_start >= write_to) SPIEraseSector(image_start / SPI_FLASH_SEC_SIZE);
_ResetVector();
}
}
#if DEBUGSOO > 1
p_printf("\nGoto next loader.\n");
#endif
// Всё, включаем кеширование, далее можно вызывать процедуры из flash
Cache_Read_Enable(0, 0, 0);
// Переход в область кеширования flash,
// Запускаем загрузку SDK с указателем на заголовок SPIFlashHeader (находится за данным загручиком по адресу с align 16)
// ((loader_call)((uint32)(&loader_flash_boot) + FLASH_BASE - IRAM_BASE + 0x10))((struct SPIFlashHeader *)(((uint32)(&_text_end) + FLASH_BASE - IRAM_BASE + 0x17) & (~15)));
((loader_call)(loader_flash_boot_addr))((struct SPIFlashHeader *)(next_flash_header_addr));
}
void
io_statistics(void)
{
#ifdef PRINT_PORT
p_printf("rep: inb: %i, inw: %i, inl: %i, outb: %i, outw: %i, outl: %i\n",
r_inb,r_inw,r_inl,r_outb,r_outw,r_outl);
p_printf("inb: %i, inw: %i, inl: %i, outb: %i, outw: %i, outl: %i\n",
in_b,in_w,in_l,out_b,out_w,out_l);
#endif
}
void
p_outw(CARD16 port, CARD16 val)
{
out_w++;
p_printf(" outw(%#x, %4.4x)"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
outw(port,val);
}
void
p_outb(CARD16 port, CARD8 val)
{
out_b++;
p_printf(" outb(%#x, %2.2x)"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
outb(port,val);
}
CARD16
p_inw(CARD16 port)
{
CARD16 val = 0;
in_w++;
val = inw(port);
p_printf(" inw(%#x) = %4.4x"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
return val;
}
void
p_outl(CARD16 port, CARD32 val)
{
out_l++;
p_printf(" outl(%#x, %8.8x)"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
#ifdef NEED_PCI_IO
if (cfg1out(port,val))
return;
#endif
outl(port,val);
}
CARD8
p_inb(CARD16 port)
{
CARD8 val = 0;
in_b++;
val = inb(port);
p_printf(" inb(%#x) = %2.2x"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
if (port == 0x3d5) s_break();
return val;
}
int
port_rep_outb(CARD16 port, CARD8 *base, int d_f, CARD32 count)
{
register int inc = d_f ? -1 : 1;
CARD8 *dst = base;
p_printf(" rep_outb(%#x) %d bytes at %p %s"RET_N,
port, count, base, d_f?"up":"down");
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
r_outb++;
while (count--) {
outb(port,*dst);
dst += inc;
}
return (dst-base);
}
CARD32
p_inl(CARD16 port)
{
CARD32 val = 0;
in_l++;
#ifdef NEED_PCI_IO
if (cfg1in(port,&val))
return val;
else
#endif
val = inl(port);
p_printf(" inl(%#x) = %8.8x"RET_N,port,val);
#ifdef PRINT_IP
p_printf(" %x\n",getIP());
#endif
return val;
}
