u-boot/arch/arm/cpu/armv7/sunxi/board.c
Ian Campbell 5835823da3 sunxi: add gmac Ethernet support
Add support for the GMAC Ethernet controller on Allwinner A20 (sun7i)
processors. Enable for the Cubietruck.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Tom Rini <trini@ti.com>
2014-05-25 16:25:12 +02:00

111 lines
2.2 KiB
C

/*
* (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