1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c b/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c
new file mode 100644
index 0000000000..bb2e3623dc
--- /dev/null
+++ b/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c
@@ -0,0 +1,74 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <common.h>
+#include <linux/sizes.h>
+#include <mach/generic.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <mach/imx6-regs.h>
+#include <io.h>
+#include <debug_ll.h>
+#include <mach/esdctl.h>
+#include <asm/cache.h>
+#include <asm/sections.h>
+#include <image-metadata.h>
+
+static inline void setup_uart(void)
+{
+	void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR);
+	void __iomem *uart = IOMEM(MX6_UART1_BASE_ADDR);
+
+	imx6_ungate_all_peripherals();
+
+	writel(0x0, iomuxbase + 0x84);
+	writel(0x1b0b1, iomuxbase + 0x0310);
+
+	writel(0x0, iomuxbase + 0x88);
+	writel(0x1b0b0, iomuxbase + 0x0314);
+
+	writel(0x3, iomuxbase + 0x624);
+
+	imx6_uart_setup(uart);
+
+	pbl_set_putc(imx_uart_putc, uart);
+
+	putc_ll('>');
+}
+
+extern char __dtb_imx6ull_14x14_evk_start[];
+
+static noinline void nxp_imx6_ull(void)
+{
+	imx6ul_barebox_entry(__dtb_imx6ull_14x14_evk_start);
+}
+
+ENTRY_FUNCTION(start_nxp_imx6ull_evk, r0, r1, r2)
+{
+
+	imx6ul_cpu_lowlevel_init();
+
+	arm_setup_stack(0x00910000 - 8);
+
+	arm_early_mmu_cache_invalidate();
+
+	relocate_to_current_adr();
+	setup_c();
+
+	setup_uart();
+
+	/* disable all watchdog powerdown counters */
+	writew(0x0, IOMEM(MX6_WDOG1_BASE_ADDR + 0x8));
+	writew(0x0, IOMEM(MX6_WDOG2_BASE_ADDR + 0x8));
+	writew(0x0, IOMEM(MX6ULL_WDOG3_BASE_ADDR + 0x8));
+
+	nxp_imx6_ull();
+}