warp: Add initial WaRP Board support
The WaRP Board is a Wearable Reference Plaform. The board features:
- Freescale i.MX6 SoloLite processor with 512MB of RAM
- Freescale FXOS8700CQ 6-axis Xtrinsic sensor
- Freescale Kinetis KL16 MCU
- Freescale Xtrinsic MMA955xL intelligent motion sensing platform
The board implements a hybrid architecture to address the evolving
needs of the wearables market. The platform consists of a main board
and an example daughtercard with the ability to add additional
daughtercards for different usage models.
For more information about the project, visit:
http://www.warpboard.org/
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
diff --git a/board/warp/Kconfig b/board/warp/Kconfig
new file mode 100644
index 0000000..7b569cc
--- /dev/null
+++ b/board/warp/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_WARP
+
+config SYS_BOARD
+ default "warp"
+
+config SYS_SOC
+ default "mx6"
+
+config SYS_CONFIG_NAME
+ default "warp"
+
+endif
diff --git a/board/warp/MAINTAINERS b/board/warp/MAINTAINERS
new file mode 100644
index 0000000..ee2114d
--- /dev/null
+++ b/board/warp/MAINTAINERS
@@ -0,0 +1,6 @@
+WaRP BOARD
+M: Otavio Salvador <otavio@ossystems.com.br>
+S: Maintained
+F: board/warp/
+F: include/configs/warp.h
+F: configs/warp_defconfig
diff --git a/board/warp/Makefile b/board/warp/Makefile
new file mode 100644
index 0000000..c555f87
--- /dev/null
+++ b/board/warp/Makefile
@@ -0,0 +1,8 @@
+# Copyright (C) 2014 O.S. Systems Software LTDA.
+# Copyright (C) 2014 Kynetics LLC.
+# Copyright (C) 2014 Revolution Robotics, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := warp.o
diff --git a/board/warp/warp.c b/board/warp/warp.c
new file mode 100644
index 0000000..3b275c2
--- /dev/null
+++ b/board/warp/warp.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2014, 2015 O.S. Systems Software LTDA.
+ * Copyright (C) 2014 Kynetics LLC.
+ * Copyright (C) 2014 Revolution Robotics, Inc.
+ *
+ * Author: Otavio Salvador <otavio@ossystems.com.br>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/io.h>
+#include <linux/sizes.h>
+#include <common.h>
+#include <watchdog.h>
+#include <fsl_esdhc.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS | \
+ PAD_CTL_LVE)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_22K_UP | \
+ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS | \
+ PAD_CTL_LVE)
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+ return 0;
+}
+
+static void setup_iomux_uart(void)
+{
+ static iomux_v3_cfg_t const uart1_pads[] = {
+ MX6_PAD_UART1_TXD__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+ {USDHC2_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+ return 1; /* Assume boot SD always present */
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_RST__USDHC2_RST | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT4__USDHC2_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT5__USDHC2_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT6__USDHC2_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT7__USDHC2_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
+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 board_late_init(void)
+{
+#ifdef CONFIG_HW_WATCHDOG
+ hw_watchdog_init();
+#endif
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: WaRP Board\n");
+
+ return 0;
+}