mx6q: Add basic support for mx6qsabreauto

mx6qsabreauto is a board based on mx6q SoC with the following features:
- 2GB of DDR3
- 2 USB ports
- 1 HDMI output port
- SPI NOR
- 2 LVDS LCD ports
- Gigabit Ethernet
- Camera
- eMMC and SD card slot
- Multichannel Audio
- CAN
- SATA
- NAND
- PCIE
- Video Input

Add very basic support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
new file mode 100644
index 0000000000..8913b21924
--- /dev/null
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.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.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6x_pins.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |            \
+	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
+	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |            \
+	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |               \
+	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+iomux_v3_cfg_t uart4_pads[] = {
+	MX6Q_PAD_KEY_COL0__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6Q_PAD_KEY_ROW0__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+iomux_v3_cfg_t usdhc3_pads[] = {
+	MX6Q_PAD_SD3_CLK__USDHC3_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_CMD__USDHC3_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT0__USDHC3_DAT0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT1__USDHC3_DAT1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT2__USDHC3_DAT2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT3__USDHC3_DAT3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT4__USDHC3_DAT4	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT5__USDHC3_DAT5	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT6__USDHC3_DAT6	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_SD3_DAT7__USDHC3_DAT7	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_GPIO_18__USDHC3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6Q_PAD_NANDF_CS2__GPIO_6_15   | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC3_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	gpio_direction_input(IMX_GPIO_NR(6, 15));
+	return !gpio_get_value(IMX_GPIO_NR(6, 15));
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+#endif
+
+u32 get_board_rev(void)
+{
+	return 0x63000;
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: MX6Q-Sabreauto\n");
+
+	return 0;
+}