// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2013 Michael Burkey * Based on code by Sascha Hauer <s.hauer@pengutronix.de> */ #include <debug_ll.h> #include <common.h> #include <linux/sizes.h> #include <io.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> #include <asm/sections.h> #include <asm/cache.h> #include <asm/mmu.h> #include <mach/imx6.h> static inline void setup_uart(void) { void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR; writel(0x03, iomuxbase + 0x0280); writel(0x03, iomuxbase + 0x0284); imx6_ungate_all_peripherals(); imx6_uart_setup_ll(); putc_ll('>'); } extern char __dtb_imx6q_var_custom_start[]; ENTRY_FUNCTION(start_variscite_custom, r0, r1, r2) { void *fdt; imx6_cpu_lowlevel_init(); arm_setup_stack(0x00920000); if (IS_ENABLED(CONFIG_DEBUG_LL)) setup_uart(); fdt = __dtb_imx6q_var_custom_start + get_runtime_offset(); barebox_arm_entry(0x10000000, SZ_1G, fdt); }