mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-11 21:56:21 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/*
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* Copyright (C) 2016 Marek Vasut <marex@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/addrspace.h>
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#include <asm/types.h>
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#include <mach/ath79.h>
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#include <mach/ar71xx_regs.h>
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#include <mach/ddr.h>
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#include <debug_uart.h>
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#ifdef CONFIG_USB
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static void wdr4300_usb_start(void)
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{
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void __iomem *gpio_regs = map_physmem(AR71XX_GPIO_BASE,
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AR71XX_GPIO_SIZE, MAP_NOCACHE);
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if (!gpio_regs)
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return;
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/* Power up the USB HUB. */
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clrbits_be32(gpio_regs + AR71XX_GPIO_REG_OE, BIT(21) | BIT(22));
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writel(BIT(21) | BIT(22), gpio_regs + AR71XX_GPIO_REG_SET);
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mdelay(1);
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ath79_usb_reset();
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}
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#else
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static inline void wdr4300_usb_start(void) {}
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#endif
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void wdr4300_pinmux_config(void)
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{
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void __iomem *regs;
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regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE,
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MAP_NOCACHE);
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/* Assure JTAG is not disconnected. */
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writel(0x40, regs + AR934X_GPIO_REG_FUNC);
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/* Configure default GPIO input/output regs. */
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writel(0x3031b, regs + AR71XX_GPIO_REG_OE);
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writel(0x0f804, regs + AR71XX_GPIO_REG_OUT);
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/* Configure pin multiplexing. */
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writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC0);
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writel(0x0b0a0980, regs + AR934X_GPIO_REG_OUT_FUNC1);
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writel(0x00180000, regs + AR934X_GPIO_REG_OUT_FUNC2);
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writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC3);
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writel(0x0000004d, regs + AR934X_GPIO_REG_OUT_FUNC4);
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writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC5);
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}
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#ifdef CONFIG_DEBUG_UART_BOARD_INIT
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void board_debug_uart_init(void)
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{
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wdr4300_pinmux_config();
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}
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#endif
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#ifdef CONFIG_BOARD_EARLY_INIT_F
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int board_early_init_f(void)
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{
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#ifndef CONFIG_DEBUG_UART_BOARD_INIT
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wdr4300_pinmux_config();
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#endif
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#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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ar934x_pll_init(560, 480, 240);
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ar934x_ddr_init(560, 480, 240);
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#endif
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wdr4300_usb_start();
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ath79_eth_reset();
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return 0;
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}
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#endif
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