leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mips: ath79: Add support for TPLink WDR4300

Browse Source 
Add support for the TPLink WDR4300 router, which is based on the
AR9344 MIPS 74Kc CPU and has 128 MiB of RAM. The USB is supported
on this system as well.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Wills Wang <wills.wang@live.com>
This commit is contained in:
Marek Vasut
2016-05-06 20:10:41 +02:00
committed by Daniel Schwierzeck
parent e08539b791
commit 400df30998
9 changed files with 295 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
board/tplink/wdr4300/Kconfig Normal file
View File

@@ -0,0 +1,15 @@
if BOARD_TPLINK_WDR4300
config SYS_VENDOR
default "tplink"
config SYS_SOC
default "ath79"
config SYS_BOARD
default "wdr4300"
config SYS_CONFIG_NAME
default "tplink_wdr4300"
endif

6
board/tplink/wdr4300/MAINTAINERS Normal file
View File

@@ -0,0 +1,6 @@
TPLINK_WDR4300 BOARD
M: Marek Vasut <marex@denx.de>
S: Maintained
F: board/tplink/wdr4300/
F: include/configs/tplink_wdr4300.h
F: configs/tplink_wdr4300_defconfig

5
board/tplink/wdr4300/Makefile Normal file
View File

@@ -0,0 +1,5 @@
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y = wdr4300.o

74
board/tplink/wdr4300/wdr4300.c Normal file
View File

@@ -0,0 +1,74 @@
/*
* Copyright (C) 2016 Marek Vasut <marex@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#include <asm/types.h>
#include <mach/ath79.h>
#include <mach/ar71xx_regs.h>
#include <mach/ddr.h>
#include <debug_uart.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_USB
static void wdr4300_usb_start(void)
{
void __iomem *gpio_regs = map_physmem(AR71XX_GPIO_BASE,
AR71XX_GPIO_SIZE, MAP_NOCACHE);
if (!gpio_regs)
return;
/* Power up the USB HUB. */
clrbits_be32(gpio_regs + AR71XX_GPIO_REG_OE, BIT(21) | BIT(22));
writel(BIT(21) | BIT(22), gpio_regs + AR71XX_GPIO_REG_SET);
mdelay(1);
ath79_usb_reset();
}
#else
static inline void wdr4300_usb_start(void) {}
#endif
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
void __iomem *regs;
regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE,
MAP_NOCACHE);
/* Assure JTAG is not disconnected. */
writel(0x40, regs + AR934X_GPIO_REG_FUNC);
/* Configure default GPIO input/output regs. */
writel(0x3031b, regs + AR71XX_GPIO_REG_OE);
writel(0x0f804, regs + AR71XX_GPIO_REG_OUT);
/* Configure pin multiplexing. */
writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC0);
writel(0x0b0a0980, regs + AR934X_GPIO_REG_OUT_FUNC1);
writel(0x00180000, regs + AR934X_GPIO_REG_OUT_FUNC2);
writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC3);
writel(0x0000004d, regs + AR934X_GPIO_REG_OUT_FUNC4);
writel(0x00000000, regs + AR934X_GPIO_REG_OUT_FUNC5);
#ifdef CONFIG_DEBUG_UART
debug_uart_init();
#endif
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
ar934x_pll_init(560, 480, 240);
ar934x_ddr_init(560, 480, 240);
#endif
wdr4300_usb_start();
ath79_eth_reset();
return 0;
}
#endif