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-rw-r--r--board/qca/ap143/ap143.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/board/qca/ap143/ap143.c b/board/qca/ap143/ap143.c
new file mode 100644
index 0000000..1572472
--- /dev/null
+++ b/board/qca/ap143/ap143.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/addrspace.h>
+#include <asm/types.h>
+#include <mach/ar71xx_regs.h>
+#include <mach/ddr.h>
+#include <debug_uart.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+ void __iomem *regs;
+ u32 val;
+
+ regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE,
+ MAP_NOCACHE);
+
+ /*
+ * GPIO9 as input, GPIO10 as output
+ */
+ val = readl(regs + AR71XX_GPIO_REG_OE);
+ val |= QCA953X_GPIO(9);
+ val &= ~QCA953X_GPIO(10);
+ writel(val, regs + AR71XX_GPIO_REG_OE);
+
+ /*
+ * Enable GPIO10 as UART0_SOUT
+ */
+ val = readl(regs + QCA953X_GPIO_REG_OUT_FUNC2);
+ val &= ~QCA953X_GPIO_MUX_MASK(16);
+ val |= QCA953X_GPIO_OUT_MUX_UART0_SOUT << 16;
+ writel(val, regs + QCA953X_GPIO_REG_OUT_FUNC2);
+
+ /*
+ * Enable GPIO9 as UART0_SIN
+ */
+ val = readl(regs + QCA953X_GPIO_REG_IN_ENABLE0);
+ val &= ~QCA953X_GPIO_MUX_MASK(8);
+ val |= QCA953X_GPIO_IN_MUX_UART0_SIN << 8;
+ writel(val, regs + QCA953X_GPIO_REG_IN_ENABLE0);
+
+ /*
+ * Enable GPIO10 output
+ */
+ val = readl(regs + AR71XX_GPIO_REG_OUT);
+ val |= QCA953X_GPIO(10);
+ writel(val, regs + AR71XX_GPIO_REG_OUT);
+}
+#endif
+
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+ debug_uart_init();
+#endif
+ ddr_init();
+ return 0;
+}