Add i.MX8 SoCs support

This patch adds i.MX8 SoCs ATFW support, including below
basic features:

* LPUART
* SCFW RPC
* SMP boot up

Each SoC will have its own platform definition and driver
to support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Bai Ping <ping.bai@nxp.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/plat/freescale/common/include/lpuart.h b/plat/freescale/common/include/lpuart.h
new file mode 100644
index 00000000..2c5914a1
--- /dev/null
+++ b/plat/freescale/common/include/lpuart.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of NXP nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __IMX_LPUART_H__
+#define __IMX_LPUART_H__
+
+#define VERID	0x0
+#define PARAM	0x4
+#define GLOBAL	0x8
+#define PINCFG	0xC
+#define BAUD	0x10
+#define STAT	0x14
+#define CTRL	0x18
+#define DATA	0x1C
+#define MATCH	0x20
+#define MODIR	0x24
+#define FIFO	0x28
+#define WATER	0x2C
+
+#define CTRL_TE		(1 << 19)
+#define CTRL_RE		(1 << 18)
+
+#define FIFO_TXFE	0x80
+#define FIFO_RXFE	0x40
+
+#define WATER_TXWATER_OFF	1
+#define WATER_RXWATER_OFF	16
+
+#define LPUART_CTRL_PT_MASK	0x1
+#define LPUART_CTRL_PE_MASK	0x2
+#define LPUART_CTRL_M_MASK	0x10
+
+#define LPUART_BAUD_OSR_MASK                     (0x1F000000U)
+#define LPUART_BAUD_OSR_SHIFT                    (24U)
+#define LPUART_BAUD_OSR(x)                       (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_OSR_SHIFT)) & LPUART_BAUD_OSR_MASK)
+
+#define LPUART_BAUD_SBR_MASK                     (0x1FFFU)
+#define LPUART_BAUD_SBR_SHIFT                    (0U)
+#define LPUART_BAUD_SBR(x)                       (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_SBR_SHIFT)) & LPUART_BAUD_SBR_MASK)
+
+#define LPUART_BAUD_SBNS_MASK                    (0x2000U)
+#define LPUART_BAUD_BOTHEDGE_MASK                (0x20000U)
+#define LPUART_BAUD_M10_MASK                     (0x20000000U)
+
+#endif  /* __IMX_LPUART_H__*/