From 058d23168752c2a2ec0a6c3b50296cb5b91ec6d0 Mon Sep 17 00:00:00 2001
From: Boris BREZILLON <boris.brezillon@free-electrons.com>
Date: Wed, 4 Mar 2015 13:13:05 +0100
Subject: board/seco: Add mx6q-uq7 basic board support

Add basic SECO MX6Q/uQ7 board support (Ethernet, UART, SD are supported).
It also adds a Kconfig skeleton to later add more SECO board (supporting
SoC and board variants).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 board/seco/mx6quq7/mx6quq7.c | 162 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 board/seco/mx6quq7/mx6quq7.c

(limited to 'board/seco/mx6quq7/mx6quq7.c')

diff --git a/board/seco/mx6quq7/mx6quq7.c b/board/seco/mx6quq7/mx6quq7.c
new file mode 100644
index 0000000000..ea1d4b8e49
--- /dev/null
+++ b/board/seco/mx6quq7/mx6quq7.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2015 ECA Sinters
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ * Modified by: Boris Brezillon <boris.brezillon@free-electrons.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <micrel.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <i2c.h>
+
+#include "../common/mx6.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	seco_mx6_setup_uart_iomux();
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	seco_mx6_rgmii_rework(phydev);
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	uint32_t base = IMX_FEC_BASE;
+	struct mii_dev *bus = NULL;
+	struct phy_device *phydev = NULL;
+	int ret = 0;
+
+	seco_mx6_setup_enet_iomux();
+
+#ifdef CONFIG_FEC_MXC
+	bus = fec_get_miibus(base, -1);
+	if (!bus)
+		return -ENOMEM;
+
+	/* scan phy 4,5,6,7 */
+	phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
+	if (!phydev) {
+		free(bus);
+		return -ENOMEM;
+	}
+
+	printf("using phy at %d\n", phydev->addr);
+	ret  = fec_probe(bis, -1, base, bus, phydev);
+	if (ret) {
+		free(phydev);
+		free(bus);
+		printf("FEC MXC: %s:failed\n", __func__);
+	}
+#endif
+
+	return ret;
+}
+
+static struct fsl_esdhc_cfg usdhc_cfg[2] = {
+	{USDHC3_BASE_ADDR},
+	{USDHC2_BASE_ADDR},
+};
+
+int board_mmc_init(bd_t *bis)
+{
+	u32 index = 0;
+	int ret;
+
+	/*
+	 * Following map is done:
+	 * (U-boot device node)    (Physical Port)
+	 * mmc0                    eMMC on Board
+	 * mmc1                    Ext SD
+	 */
+	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+		switch (index) {
+		case 0:
+			seco_mx6_setup_usdhc_iomux(3);
+			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+			usdhc_cfg[0].max_bus_width = 4;
+			break;
+		case 1:
+			seco_mx6_setup_usdhc_iomux(4);
+			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+			usdhc_cfg[1].max_bus_width = 4;
+			break;
+
+		default:
+			printf("Warning: %d exceed maximum number of SD ports %d\n",
+			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+			return -EINVAL;
+		}
+
+		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	imx_iomux_v3_setup_pad(MX6_PAD_NANDF_D4__GPIO2_IO04 |
+			       MUX_PAD_CTRL(NO_PAD_CTRL));
+
+	gpio_direction_output(IMX_GPIO_NR(2, 4), 0);
+
+	/* Set Low */
+	gpio_set_value(IMX_GPIO_NR(2, 4), 0);
+	udelay(1000);
+
+	/* Set High */
+	gpio_set_value(IMX_GPIO_NR(2, 4), 1);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: SECO uQ7\n");
+
+	return 0;
+}
-- 
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