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-rw-r--r--arch/arm/cpu/armv7/sunxi/board.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
new file mode 100644
index 000000000..49c94489e
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+++ b/arch/arm/cpu/armv7/sunxi/board.c
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+/*
+ * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * Some init for sunxi platform.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <miiphy.h>
+#include <serial.h>
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#endif
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/timer.h>
+
+#ifdef CONFIG_SPL_BUILD
+/* Pointer to the global data structure for SPL */
+DECLARE_GLOBAL_DATA_PTR;
+
+/* The sunxi internal brom will try to loader external bootloader
+ * from mmc0, nand flash, mmc2.
+ * Unfortunately we can't check how SPL was loaded so assume
+ * it's always the first SD/MMC controller
+ */
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_MMC1;
+}
+
+/* No confirmation data available in SPL yet. Hardcode bootmode */
+u32 spl_boot_mode(void)
+{
+ return MMCSD_MODE_RAW;
+}
+#endif
+
+int gpio_init(void)
+{
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUN4I_GPB22_UART0_TX);
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUN4I_GPB23_UART0_RX);
+ sunxi_gpio_set_pull(SUNXI_GPB(23), 1);
+
+ return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+/* do some early init */
+void s_init(void)
+{
+#if !defined CONFIG_SPL_BUILD && (defined CONFIG_SUN7I || defined CONFIG_SUN6I)
+ /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */
+ asm volatile(
+ "mrc p15, 0, r0, c1, c0, 1\n"
+ "orr r0, r0, #1 << 6\n"
+ "mcr p15, 0, r0, c1, c0, 1\n");
+#endif
+
+ clock_init();
+ timer_init();
+ gpio_init();
+
+#ifdef CONFIG_SPL_BUILD
+ gd = &gdata;
+ preloader_console_init();
+
+ sunxi_board_init();
+#endif
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif
+
+#ifdef CONFIG_CMD_NET
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+ int rc;
+
+#ifdef CONFIG_SUNXI_GMAC
+ rc = sunxi_gmac_initialize(bis);
+ if (rc < 0) {
+ printf("sunxi: failed to initialize gmac\n");
+ return rc;
+ }
+#endif
+
+ return 0;
+}
+#endif