u-boot/board/freescale/ls1012aqds/ls1012aqds.c

/*
 * Copyright 2016 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <i2c.h>
#include <fdt_support.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#ifdef CONFIG_FSL_LS_PPA
#include <asm/arch/ppa.h>
#endif
#include <asm/arch/fdt.h>
#include <asm/arch/soc.h>
#include <ahci.h>
#include <hwconfig.h>
#include <mmc.h>
#include <scsi.h>
#include <fm_eth.h>
#include <fsl_esdhc.h>
#include <fsl_mmdc.h>
#include <spl.h>
#include <netdev.h>

#include "../common/qixis.h"
#include "ls1012aqds_qixis.h"

DECLARE_GLOBAL_DATA_PTR;

int checkboard(void)
{
	char buf[64];
	u8 sw;

	sw = QIXIS_READ(arch);
	printf("Board Arch: V%d, ", sw >> 4);
	printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);

	sw = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);

	if (sw & QIXIS_LBMAP_ALTBANK)
		printf("flash: 2\n");
	else
		printf("flash: 1\n");

	printf("FPGA: v%d (%s), build %d",
	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
	       (int)qixis_read_minor());

	/* the timestamp string contains "\n" at the end */
	printf(" on %s", qixis_read_time(buf));
	return 0;
}

int dram_init(void)
{
	static const struct fsl_mmdc_info mparam = {
		0x05180000,	/* mdctl */
		0x00030035,	/* mdpdc */
		0x12554000,	/* mdotc */
		0xbabf7954,	/* mdcfg0 */
		0xdb328f64,	/* mdcfg1 */
		0x01ff00db,	/* mdcfg2 */
		0x00001680,	/* mdmisc */
		0x0f3c8000,	/* mdref */
		0x00002000,	/* mdrwd */
		0x00bf1023,	/* mdor */
		0x0000003f,	/* mdasp */
		0x0000022a,	/* mpodtctrl */
		0xa1390003,	/* mpzqhwctrl */
	};

	mmdc_init(&mparam);

	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;

	return 0;
}

int board_early_init_f(void)
{
	fsl_lsch2_early_init_f();

	return 0;
}

#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
	u8 mux_sdhc_cd = 0x80;

	i2c_set_bus_num(0);

	i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
	return 0;
}
#endif

int board_init(void)
{
	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)
				   CONFIG_SYS_CCI400_ADDR;

	/* Set CCI-400 control override register to enable barrier
	 * transaction */
	out_le32(&cci->ctrl_ord,
		 CCI400_CTRLORD_EN_BARRIER);

#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
	erratum_a010315();
#endif

#ifdef CONFIG_ENV_IS_NOWHERE
	gd->env_addr = (ulong)&default_environment[0];
#endif

#ifdef CONFIG_FSL_LS_PPA
	ppa_init();
#endif
	return 0;
}

int board_eth_init(bd_t *bis)
{
	return pci_eth_init(bis);
}

int esdhc_status_fixup(void *blob, const char *compat)
{
	char esdhc0_path[] = "/soc/esdhc@1560000";
	char esdhc1_path[] = "/soc/esdhc@1580000";
	u8 card_id;

	do_fixup_by_path(blob, esdhc0_path, "status", "okay",
			 sizeof("okay"), 1);

	/*
	 * The Presence Detect 2 register detects the installation
	 * of cards in various PCI Express or SGMII slots.
	 *
	 * STAT_PRS2[7:5]: Specifies the type of card installed in the
	 * SDHC2 Adapter slot. 0b111 indicates no adapter is installed.
	 */
	card_id = (QIXIS_READ(present2) & 0xe0) >> 5;

	/* If no adapter is installed in SDHC2, disable SDHC2 */
	if (card_id == 0x7)
		do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
				 sizeof("disabled"), 1);
	else
		do_fixup_by_path(blob, esdhc1_path, "status", "okay",
				 sizeof("okay"), 1);
	return 0;
}

#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
	arch_fixup_fdt(blob);

	ft_cpu_setup(blob, bd);

	return 0;
}
#endif