board/Marvell/dkb/dkb.c

/*
 * (C) Copyright 2011
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Lei Wen <leiwen@marvell.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <common.h>
#include <mvmfp.h>
#include <i2c.h>
#include <asm/arch/mfp.h>
#include <asm/arch/cpu.h>
#ifdef CONFIG_GENERIC_MMC
#include <sdhci.h>
#endif
#ifdef CONFIG_USB_ETHER
#include <asm/arch/usb.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

int board_early_init_f(void)
{
	u32 mfp_cfg[] = {
		/* Enable Console on UART2 */
		MFP47_UART2_RXD,
		MFP48_UART2_TXD,

		/* I2C */
		MFP53_CI2C_SCL,
		MFP54_CI2C_SDA,

		/* MMC1 */
		MFP_MMC1_DAT7,
		MFP_MMC1_DAT6,
		MFP_MMC1_DAT5,
		MFP_MMC1_DAT4,
		MFP_MMC1_DAT3,
		MFP_MMC1_DAT2,
		MFP_MMC1_DAT1,
		MFP_MMC1_DAT0,
		MFP_MMC1_CMD,
		MFP_MMC1_CLK,
		MFP_MMC1_CD,
		MFP_MMC1_WP,

		MFP_EOC		/*End of configureation*/
	};
	/* configure MFP's */
	mfp_config(mfp_cfg);

	return 0;
}

int board_init(void)
{
	/* arch number of Board */
	gd->bd->bi_arch_number = MACH_TYPE_TTC_DKB;
	/* adress of boot parameters */
	gd->bd->bi_boot_params = panth_sdram_base(0) + 0x100;
	return 0;
}

#ifdef CONFIG_GENERIC_MMC
#define I2C_SLAVE_ADDR	0x34
#define LDO13_REG	0x28
#define LDO_V30		0x6
#define LDO_VOLTAGE(x)	((x & 0x7) << 1)
#define LDO_EN		0x1
int board_mmc_init(bd_t *bd)
{
	ulong mmc_base_address[CONFIG_SYS_MMC_NUM] = CONFIG_SYS_MMC_BASE;
	u8 i, data;

	/* set LDO 13 to 3.0v */
	data = LDO_VOLTAGE(LDO_V30) | LDO_EN;
	i2c_write(I2C_SLAVE_ADDR, LDO13_REG, 1, &data, 1);

	for (i = 0; i < CONFIG_SYS_MMC_NUM; i++) {
		if (mv_sdh_init(mmc_base_address[i], 0, 0,
				SDHCI_QUIRK_32BIT_DMA_ADDR))
			return 1;
	}

	return 0;
}
#endif

#ifdef CONFIG_USB_ETHER
int usb_lowlevel_init(void)
{
	struct usb_file *file = (struct usb_file *)CONFIG_USB_PHY_BASE;
	int count;

	writel(USB_CTL_29_28(BIT160) | PU_REF | REG_ARC_DPDM_MODE | PU_PLL
	       | PU, &file->UTMI_CTRL);
	writel(PLLCALI12(ALLSET) | PLLVDD18(ALLSET) | PLLVDD12(ALLSET)
	       | PLLREADY | KVCO(MIDKVCO) | ICP(MUA10) | FBDIV(DIV240)
	       | REFDIV(DIV13), &file->UTMI_PLL);
	writel(REG_EXT_FS_RCAL(FS_DEF) | TXVDD18(VDD_DEF) | TXVDD12(VDD_ALL)
	       | TXDATA_BLOCK_EN | CK60_PHSEL(CLK60VAL) | IMPCAL_VTH(VTH45OHM)
	       | HSDRV_EN(HSVAL) | REG_EXT_HS_RCAL(HS45OHM) | AMP(MA18),
	       &file->UTMI_TX);
	writel(EARLY_VOS_ON_EN | RXDATA_BLOCK_EN | RXDATA_BLOCK_LENGTH(DEFLEN)
	       | EDGE_DET_EN | S2TO3_DLY_SEL(CLK_16CYCLE) | PHASE_FREEZE_DLY
	       | REG_USQ_LENGTH | REG_ACQ_LENGTH(DEFLEN)
	       | REQ_SQ_LENGTH(SQUELCH_9HIGH) | DISCON_THRESH(VL2425_VH2925)
	       | SQ_THRESH(VOSL360_V100H450_V150H583) | INTPI(MU20),
	       &file->UTMI_RX);
	writel(RXVDD12(V145) | FSDRV_EN(ALLEN) | REG_IMP_CAL_DLY(REGDEF),
	       &file->UTMI_IVREF);
	writel(0, &file->UTMI_CTL1);
	writel(TEST_GRP_5_VALUE, &file->UTMI_TEST_GRP_5);

	/* make sure phy is ready */
	count = 100;
	while (((readl(&file->UTMI_PLL) & PLLREADY) == 0) && count--)
		udelay(1000);
	if (count <= 0) {
		printf("%s %d: calibrate timeout, UTMI_PLL %x\n",
				__func__, __LINE__, readl(&file->UTMI_PLL));
		return -1;
	}

	return 0;
}
#endif

#ifdef CONFIG_CMD_NET
int board_eth_init(bd_t *bis)
{
	int res = -1;

#if defined(CONFIG_MV_UDC)
	if (usb_eth_initialize(bis) >= 0)
		res = 0;
#endif
	return res;
}
#endif