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/*
* (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
* (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
*
* (C) Copyright 2007-2011
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Tom Cubie <tangliang@allwinnertech.com>
*
* Some board init for the Allwinner A10-evb board.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/dram.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc.h>
DECLARE_GLOBAL_DATA_PTR;
/* add board specific code here */
int board_init(void)
{
int id_pfr1;
gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
debug("id_pfr1: 0x%08x\n", id_pfr1);
/* Generic Timer Extension available? */
if ((id_pfr1 >> 16) & 0xf) {
debug("Setting CNTFRQ\n");
/* CNTFRQ == 24 MHz */
asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000));
}
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE);
return 0;
}
#ifdef CONFIG_GENERIC_MMC
static void mmc_pinmux_setup(int sdc)
{
unsigned int pin;
switch (sdc) {
case 0:
/* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */
for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
sunxi_gpio_set_cfgpin(pin, SUNXI_GPF0_SDC0);
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
break;
case 1:
/* CMD-PH22, CLK-PH23, D0~D3-PH24~27 : 5 */
for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
sunxi_gpio_set_cfgpin(pin, SUN4I_GPH22_SDC1);
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
break;
case 2:
/* CMD-PC6, CLK-PC7, D0-PC8, D1-PC9, D2-PC10, D3-PC11 */
for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
sunxi_gpio_set_cfgpin(pin, SUNXI_GPC6_SDC2);
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
break;
case 3:
/* CMD-PI4, CLK-PI5, D0~D3-PI6~9 : 2 */
for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
sunxi_gpio_set_cfgpin(pin, SUN4I_GPI4_SDC3);
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
break;
default:
printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
break;
}
}
int board_mmc_init(bd_t *bis)
{
mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
#if !defined (CONFIG_SPL_BUILD) && defined (CONFIG_MMC_SUNXI_SLOT_EXTRA)
mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
#endif
return 0;
}
#endif
void i2c_init_board(void)
{
sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUNXI_GPB0_TWI0);
sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUNXI_GPB0_TWI0);
clock_twi_onoff(0, 1);
}
#ifdef CONFIG_SPL_BUILD
void sunxi_board_init(void)
{
unsigned long ramsize;
printf("DRAM:");
ramsize = sunxi_dram_init();
printf(" %lu MiB\n", ramsize >> 20);
if (!ramsize)
hang();
}
#endif
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