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u-boot/board/syteco/zmx25/zmx25.c
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style 
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

173 lines
4.8 KiB
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// SPDX-License-Identifier: GPL-2.0+
/*
* (c) 2011 Graf-Syteco, Matthias Weisser
* <weisserm@arcor.de>
*
* Based on tx25.c:
* (C) Copyright 2009 DENX Software Engineering
* Author: John Rigby <jrigby@gmail.com>
*
* Based on imx27lite.c:
* Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net>
* Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com>
* And:
* RedBoot tx25_misc.c Copyright (C) 2009 Red Hat
*/
#include <common.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux-mx25.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init()
{
static const iomux_v3_cfg_t sdhc1_pads[] = {
NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_SD1_CLK__SD1_CLK, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_SD1_DATA0__SD1_DATA0, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_SD1_DATA1__SD1_DATA1, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_SD1_DATA2__SD1_DATA2, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_SD1_DATA3__SD1_DATA3, NO_PAD_CTRL),
};
static const iomux_v3_cfg_t dig_out_pads[] = {
MX25_PAD_CSI_D8__GPIO_1_7, /* Ouput 1 Ctrl */
MX25_PAD_CSI_D7__GPIO_1_6, /* Ouput 2 Ctrl */
NEW_PAD_CTRL(MX25_PAD_CSI_D6__GPIO_1_31, 0), /* Ouput 1 Stat */
NEW_PAD_CTRL(MX25_PAD_CSI_D5__GPIO_1_30, 0), /* Ouput 2 Stat */
};
static const iomux_v3_cfg_t led_pads[] = {
MX25_PAD_CSI_D9__GPIO_4_21,
MX25_PAD_CSI_D4__GPIO_1_29,
};
static const iomux_v3_cfg_t can_pads[] = {
NEW_PAD_CTRL(MX25_PAD_GPIO_A__CAN1_TX, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_GPIO_B__CAN1_RX, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_GPIO_C__CAN2_TX, NO_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_GPIO_D__CAN2_RX, NO_PAD_CTRL),
};
static const iomux_v3_cfg_t i2c3_pads[] = {
MX25_PAD_CSPI1_SS1__I2C3_DAT,
MX25_PAD_GPIO_E__I2C3_CLK,
};
icache_enable();
/* Setup of core voltage selection pin to run at 1.4V */
imx_iomux_v3_setup_pad(MX25_PAD_EXT_ARMCLK__GPIO_3_15); /* VCORE */
gpio_direction_output(IMX_GPIO_NR(3, 15), 1);
/* Setup of SD card pins*/
imx_iomux_v3_setup_multiple_pads(sdhc1_pads, ARRAY_SIZE(sdhc1_pads));
/* Setup of digital output for USB power and OC */
imx_iomux_v3_setup_pad(MX25_PAD_CSI_D3__GPIO_1_28); /* USB Power */
gpio_direction_output(IMX_GPIO_NR(1, 28), 1);
imx_iomux_v3_setup_pad(MX25_PAD_CSI_D2__GPIO_1_27); /* USB OC */
gpio_direction_input(IMX_GPIO_NR(1, 18));
/* Setup of digital output control pins */
imx_iomux_v3_setup_multiple_pads(dig_out_pads,
ARRAY_SIZE(dig_out_pads));
/* Switch both output drivers off */
gpio_direction_output(IMX_GPIO_NR(1, 7), 0);
gpio_direction_output(IMX_GPIO_NR(1, 6), 0);
/* Setup of key input pin */
imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX25_PAD_KPP_ROW0__GPIO_2_29, 0));
gpio_direction_input(IMX_GPIO_NR(2, 29));
/* Setup of status LED outputs */
imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads));
/* Switch both LEDs off */
gpio_direction_output(IMX_GPIO_NR(4, 21), 0);
gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
/* Setup of CAN1 and CAN2 signals */
imx_iomux_v3_setup_multiple_pads(can_pads, ARRAY_SIZE(can_pads));
/* Setup of I2C3 signals */
imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
return 0;
}
int board_late_init(void)
{
const char *e;
#ifdef CONFIG_FEC_MXC
/*
* FIXME: need to revisit this
* The original code enabled PUE and 100-k pull-down without PKE, so the right
* value here is likely:
* 0 for no pull
* or:
* PAD_CTL_PUS_100K_DOWN for 100-k pull-down
*/
#define FEC_OUT_PAD_CTRL 0
static const iomux_v3_cfg_t fec_pads[] = {
MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
MX25_PAD_FEC_RX_DV__FEC_RX_DV,
MX25_PAD_FEC_RDATA0__FEC_RDATA0,
NEW_PAD_CTRL(MX25_PAD_FEC_TDATA0__FEC_TDATA0, FEC_OUT_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_FEC_TX_EN__FEC_TX_EN, FEC_OUT_PAD_CTRL),
NEW_PAD_CTRL(MX25_PAD_FEC_MDC__FEC_MDC, FEC_OUT_PAD_CTRL),
MX25_PAD_FEC_MDIO__FEC_MDIO,
MX25_PAD_FEC_RDATA1__FEC_RDATA1,
NEW_PAD_CTRL(MX25_PAD_FEC_TDATA1__FEC_TDATA1, FEC_OUT_PAD_CTRL),
MX25_PAD_UPLL_BYPCLK__GPIO_3_16, /* LAN-RESET */
MX25_PAD_UART2_CTS__FEC_RX_ER, /* FEC_RX_ERR */
};
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
/* assert PHY reset (low) */
gpio_direction_output(IMX_GPIO_NR(3, 16), 0);
udelay(5000);
/* deassert PHY reset */
gpio_set_value(IMX_GPIO_NR(3, 16), 1);
udelay(5000);
#endif
e = env_get("gs_base_board");
if (e != NULL) {
if (strcmp(e, "G283") == 0) {
int key = gpio_get_value(IMX_GPIO_NR(2, 29));
if (key) {
/* Switch on both LEDs to inidcate boot mode */
gpio_set_value(IMX_GPIO_NR(1, 29), 0);
gpio_set_value(IMX_GPIO_NR(4, 21), 0);
env_set("preboot", "run gs_slow_boot");
} else
env_set("preboot", "run gs_fast_boot");
}
}
return 0;
}
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
PHYS_SDRAM_SIZE);
return 0;
}
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