void aboot(unsigned *info)
{
unsigned bootdevice, n, len;
board_mux_init();
sdelay(100);
scale_vcores();
prcm_init();
board_ddr_init();
gpmc_init();
board_late_init();
serial_init();
serial_puts("\n[ aboot second-stage loader ]\n\n");
if (info) {
bootdevice = info[2] & 0xFF;
} else {
bootdevice = 0x45;
}
switch (bootdevice) {
case 0x45: /* USB */
serial_puts("boot device: USB\n\n");
n = load_from_usb(&len);
break;
case 0x05:
case 0x06:
serial_puts("boot device: MMC\n\n");
n = load_from_mmc(bootdevice, &len);
break;
default:
serial_puts("boot device: unknown\n");
for (;;) ;
}
if (n) {
serial_puts("io error\n");
} else {
boot_image(cfg_machine_type, CONFIG_ADDR_DOWNLOAD, len);
serial_puts("invalid image\n");
}
}
/*
* spl_boot:
*
* All supported booting types of all supported SoCs are listed here.
* Generic readback APIs are provided for each supported booting type
* eg. nand_read_skip_bad
*/
u32 spl_boot(void)
{
void (*image)(void);
#ifdef CONFIG_SPEAR_USBTTY
plat_late_init();
return 1;
#endif
/*
* All the supported booting devices are listed here. Each of
* the booting type supported by the platform would define the
* macro xxx_BOOT_SUPPORTED to TRUE.
*/
if (SNOR_BOOT_SUPPORTED && snor_boot_selected()) {
/* SNOR-SMI initialization */
snor_init();
serial_puts("Booting via SNOR\n");
/* Serial NOR booting */
if (1 == snor_image_load((u8 *)CONFIG_SYS_UBOOT_BASE,
&image, loader_name)) {
/* Platform related late initialasations */
plat_late_init();
/* Jump to boot image */
serial_puts("Jumping to U-Boot\n");
boot_image(image);
return 1;
}
}
if (NAND_BOOT_SUPPORTED && nand_boot_selected()) {
/* NAND booting */
/* Not ported from XLoader to SPL yet */
return 0;
}
if (PNOR_BOOT_SUPPORTED && pnor_boot_selected()) {
/* PNOR booting */
/* Not ported from XLoader to SPL yet */
return 0;
}
if (MMC_BOOT_SUPPORTED && mmc_boot_selected()) {
/* MMC booting */
/* Not ported from XLoader to SPL yet */
return 0;
}
if (SPI_BOOT_SUPPORTED && spi_boot_selected()) {
/* SPI booting */
/* Not supported for any platform as of now */
return 0;
}
if (I2C_BOOT_SUPPORTED && i2c_boot_selected()) {
/* I2C booting */
/* Not supported for any platform as of now */
return 0;
}
/*
* All booting types without memory are listed as below
* Control has to be returned to BootROM in case of all
* the following booting scenarios
*/
if (USB_BOOT_SUPPORTED && usb_boot_selected()) {
plat_late_init();
return 1;
}
if (TFTP_BOOT_SUPPORTED && tftp_boot_selected()) {
plat_late_init();
return 1;
}
if (UART_BOOT_SUPPORTED && uart_boot_selected()) {
plat_late_init();
return 1;
}
/* Ideally, the control should not reach here. */
hang();
}
