static noinline void warp7_start(void)
{
void __iomem *iomuxbase = IOMEM(MX7_IOMUXC_BASE_ADDR);
void __iomem *uart = IOMEM(MX7_UART1_BASE_ADDR);
void __iomem *ccmbase = IOMEM(MX7_CCM_BASE_ADDR);
void *fdt;
/* CCM_CCGR148_CLR, uart1 */
writel(0x3, ccmbase + 0x4000 + 16 * 148 + 0x8);
/* CCM_TARGET_ROOT95 = UART1_CLK_ROOT */
writel(0x10000000, ccmbase + 0x8000 + 128 * 95);
/* CCM_CCGR148_SET, uart1 */
writel(0x3, ccmbase + 0x4000 + 16 * 148 + 0x4);
/* MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX without daisy chaining */
writel(0x0, iomuxbase + 0x128);
/* MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX */
writel(0x0, iomuxbase + 0x12c);
imx7_uart_setup(uart);
pbl_set_putc(imx_uart_putc, uart);
pr_debug("Element14 i.MX7 Warp\n");
fdt = __dtb_imx7s_warp_start + get_runtime_offset();
barebox_arm_entry(0x80000000, SZ_512M, fdt);
}
static void setup_uart(void)
{
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
/* mux the uart */
writel(0x00000003, iomuxbase + 0x4c);
writel(0x00000000, iomuxbase + 0x8fc);
imx6_ungate_all_peripherals();
imx6_uart_setup((void *)MX6_UART1_BASE_ADDR);
pbl_set_putc(imx_uart_putc, (void *)MX6_UART1_BASE_ADDR);
pr_debug("\n");
}
static noinline void imx53_guf_vincell_init(int is_lt)
{
void __iomem *ccm = (void *)MX53_CCM_BASE_ADDR;
void __iomem *uart = IOMEM(MX53_UART2_BASE_ADDR);
void *fdt;
u32 r;
enum bootsource src;
int instance;
arm_setup_stack(MX53_IRAM_BASE_ADDR + MX53_IRAM_SIZE - 8);
writel(0x0088494c, ccm + MX5_CCM_CBCDR);
writel(0x02b12f0a, ccm + MX5_CCM_CSCMR2);
imx53_ungate_all_peripherals();
imx53_init_lowlevel_early(800);
writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x27c);
writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x278);
imx53_uart_setup(uart);
pbl_set_putc(imx_uart_putc, uart);
pr_debug("GuF Vincell\n");
/* Skip SDRAM initialization if we run from RAM */
r = get_pc();
if (!(r > 0x70000000 && r < 0xf0000000)) {
disable_watchdog();
configure_dram_iomux();
imx_esdctlv4_init();
imx53_get_boot_source(&src, &instance);
if (src == BOOTSOURCE_NAND &&
IS_ENABLED(CONFIG_MACH_GUF_VINCELL_XLOAD))
imx53_nand_start_image();
}
if (is_lt)
fdt = __dtb_imx53_guf_vincell_lt_start;
else
fdt = __dtb_imx53_guf_vincell_start;
imx53_barebox_entry(fdt);
}
