platform: Add marvell platforms common components

Add common platform components to be used by all
supported Marvell platforms.

Change-Id: Ie5f70fc7ff668c8f8073d6dd936458f35890ebcf
Signed-off-by: Haim Boot <hayim@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/38133

5 files changed, 528 insertions, 0 deletions

diff --git a/include/plat/marvell/common/aarch64/arm_macros.S b/include/plat/marvell/common/aarch64/arm_macros.S
new file mode 100644
index 00000000..cf21c155
--- /dev/null
+++ b/include/plat/marvell/common/aarch64/arm_macros.S
@@ -0,0 +1,189 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * 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 Marvell 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.
+ *
+ ***************************************************************************
+ */
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * 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 ARM 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 __ARM_MACROS_S__
+#define __ARM_MACROS_S__
+
+#include <cci.h>
+#include <gic_common.h>
+#include <gicv2.h>
+#include <gicv3.h>
+#include <platform_def.h>
+
+/*
+ *	These Macros are required by ATF
+ */
+
+.section .rodata.gic_reg_name, "aS"
+/* Applicable only to GICv2 and GICv3 with SRE disabled (legacy mode) */
+gicc_regs:
+	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+
+#ifdef USE_CCI
+/* Applicable only to GICv3 with SRE enabled */
+icc_regs:
+	.asciz "icc_hppir0_el1", "icc_hppir1_el1", "icc_ctlr_el3", ""
+#endif
+/* Registers common to both GICv2 and GICv3 */
+gicd_pend_reg:
+	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n"	\
+		" Offset:\t\t\tvalue\n"
+newline:
+	.asciz "\n"
+spacer:
+	.asciz ":\t\t0x"
+
+	/* ---------------------------------------------
+	 * The below utility macro prints out relevant GIC
+	 * registers whenever an unhandled exception is
+	 * taken in BL31 on ARM standard platforms.
+	 * Expects: GICD base in x16, GICC base in x17
+	 * Clobbers: x0 - x10, sp
+	 * ---------------------------------------------
+	 */
+	.macro arm_print_gic_regs
+	/* Check for GICv3 system register access */
+	mrs	x7, id_aa64pfr0_el1
+	ubfx	x7, x7, #ID_AA64PFR0_GIC_SHIFT, #ID_AA64PFR0_GIC_WIDTH
+	cmp	x7, #1
+	b.ne	print_gicv2
+
+	/* Check for SRE enable */
+	mrs	x8, ICC_SRE_EL3
+	tst	x8, #ICC_SRE_SRE_BIT
+	b.eq	print_gicv2
+
+#ifdef USE_CCI
+	/* Load the icc reg list to x6 */
+	adr	x6, icc_regs
+	/* Load the icc regs to gp regs used by str_in_crash_buf_print */
+	mrs	x8, ICC_HPPIR0_EL1
+	mrs	x9, ICC_HPPIR1_EL1
+	mrs	x10, ICC_CTLR_EL3
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+#endif
+	b	print_gic_common
+
+print_gicv2:
+	/* Load the gicc reg list to x6 */
+	adr	x6, gicc_regs
+	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
+	ldr	w8, [x17, #GICC_HPPIR]
+	ldr	w9, [x17, #GICC_AHPPIR]
+	ldr	w10, [x17, #GICC_CTLR]
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+
+print_gic_common:
+	/* Print the GICD_ISPENDR regs */
+	add	x7, x16, #GICD_ISPENDR
+	adr	x4, gicd_pend_reg
+	bl	asm_print_str
+gicd_ispendr_loop:
+	sub	x4, x7, x16
+	cmp	x4, #0x280
+	b.eq	exit_print_gic_regs
+	bl	asm_print_hex
+
+	adr	x4, spacer
+	bl	asm_print_str
+
+	ldr	x4, [x7], #8
+	bl	asm_print_hex
+
+	adr	x4, newline
+	bl	asm_print_str
+	b	gicd_ispendr_loop
+exit_print_gic_regs:
+	.endm
+
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+	/* ------------------------------------------------
+	 * The below required platform porting macro prints
+	 * out relevant interconnect registers whenever an
+	 * unhandled exception is taken in BL31.
+	 * Clobbers: x0 - x9, sp
+	 * ------------------------------------------------
+	 */
+	.macro plat_print_interconnect_regs
+#ifdef USE_CCI
+	adr	x6, cci_iface_regs
+	/* Store in x7 the base address of the first interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER0_SL_IFACE_IX))
+	ldr	w8, [x7, #SNOOP_CTRL_REG]
+	/* Store in x7 the base address of the second interface */
+	mov_imm	x7, (PLAT_MARVELL_CCI_BASE + SLAVE_IFACE_OFFSET(	\
+			PLAT_MARVELL_CCI_CLUSTER1_SL_IFACE_IX))
+	ldr	w9, [x7, #SNOOP_CTRL_REG]
+	/* Store to the crash buf and print to console */
+	bl	str_in_crash_buf_print
+#endif
+	.endm
+
+
+#endif /* __ARM_MACROS_S__ */
diff --git a/include/plat/marvell/common/board/board_marvell_def.h b/include/plat/marvell/common/board/board_marvell_def.h
new file mode 100644
index 00000000..90706bb8
--- /dev/null
+++ b/include/plat/marvell/common/board/board_marvell_def.h
@@ -0,0 +1,131 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * 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 Marvell 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.
+ *
+ ***************************************************************************
+ */
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * 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 ARM 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 __BOARD_MARVELL_DEF_H__
+#define __BOARD_MARVELL_DEF_H__
+
+/*
+ * Required platform porting definitions common to all ARM
+ * development platforms
+ */
+
+/* Size of cacheable stacks */
+#if DEBUG_XLAT_TABLE
+# define PLATFORM_STACK_SIZE 0x800
+#elif IMAGE_BL1
+#if TRUSTED_BOARD_BOOT
+# define PLATFORM_STACK_SIZE 0x1000
+#else
+# define PLATFORM_STACK_SIZE 0x440
+#endif
+#elif IMAGE_BL2
+# if TRUSTED_BOARD_BOOT
+#  define PLATFORM_STACK_SIZE 0x1000
+# else
+#  define PLATFORM_STACK_SIZE 0x400
+# endif
+#elif IMAGE_BL31
+# define PLATFORM_STACK_SIZE 0x400
+#endif
+
+/*
+ * PLAT_MARVELL_MMAP_ENTRIES depends on the number of entries in the
+ * plat_arm_mmap array defined for each BL stage.
+ */
+#if IMAGE_BLE
+#  define PLAT_MARVELL_MMAP_ENTRIES	3
+#endif
+#if IMAGE_BL1
+#  if TRUSTED_BOARD_BOOT
+#   define PLAT_MARVELL_MMAP_ENTRIES	7
+#  else
+#   define PLAT_MARVELL_MMAP_ENTRIES	6
+#  endif	/* TRUSTED_BOARD_BOOT */
+#endif
+#if IMAGE_BL2
+#  define PLAT_MARVELL_MMAP_ENTRIES		8
+#endif
+#if IMAGE_BL31
+#define PLAT_MARVELL_MMAP_ENTRIES		5
+#endif
+
+/*
+ * Platform specific page table and MMU setup constants
+ */
+#if IMAGE_BL1
+#define MAX_XLAT_TABLES			4
+#elif IMAGE_BLE
+#  define MAX_XLAT_TABLES		4
+#elif IMAGE_BL2
+#  define MAX_XLAT_TABLES		4
+#elif IMAGE_BL31
+# define MAX_XLAT_TABLES		4
+#endif
+
+
+#define MAX_IO_DEVICES			3
+#define MAX_IO_HANDLES			4
+
+#define PLAT_MARVELL_TRUSTED_SRAM_SIZE	0x40000	/* 256 KB */
+
+
+#endif /* __BOARD_MARVELL_DEF_H__ */
diff --git a/include/plat/marvell/common/mvebu.h b/include/plat/marvell/common/mvebu.h
new file mode 100644
index 00000000..6a6539b9
--- /dev/null
+++ b/include/plat/marvell/common/mvebu.h
@@ -0,0 +1,101 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * 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 Marvell 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 _MVEBU_H_
+#define _MVEBU_H_
+
+/* Bit definitions */
+#define NO_BIT		0x00000000
+#define BIT0		0x00000001
+#define BIT1		0x00000002
+#define BIT2		0x00000004
+#define BIT3		0x00000008
+#define BIT4		0x00000010
+#define BIT5		0x00000020
+#define BIT6		0x00000040
+#define BIT7		0x00000080
+#define BIT8		0x00000100
+#define BIT9		0x00000200
+#define BIT10		0x00000400
+#define BIT11		0x00000800
+#define BIT12		0x00001000
+#define BIT13		0x00002000
+#define BIT14		0x00004000
+#define BIT15		0x00008000
+#define BIT16		0x00010000
+#define BIT17		0x00020000
+#define BIT18		0x00040000
+#define BIT19		0x00080000
+#define BIT20		0x00100000
+#define BIT21		0x00200000
+#define BIT22		0x00400000
+#define BIT23		0x00800000
+#define BIT24		0x01000000
+#define BIT25		0x02000000
+#define BIT26		0x04000000
+#define BIT27		0x08000000
+#define BIT28		0x10000000
+#define BIT29		0x20000000
+#define BIT30		0x40000000
+#define BIT31		0x80000000
+#define BIT(x)		(1 << (x))
+
+/* Use this functions only when printf is allowed */
+#if defined(CONFIG_MVEBU_DEBUG_FUNC_IN_OUT) || defined(DEBUG)
+#define debug_enter()	printf("----> Enter %s\n", __func__)
+#define debug_exit()  printf("<---- Exit  %s\n", __func__)
+#else
+#define debug_enter()
+#define debug_exit()
+#endif
+
+/* Macro for testing alignment. Positive if number is NOT aligned */
+#define IS_NOT_ALIGN(number, align)	((number) & ((align) - 1))
+
+/* Macro for alignment up. For example, ALIGN_UP(0x0330, 0x20) = 0x0340 */
+#define ALIGN_UP(number, align) (((number) & ((align) - 1)) ? \
+		(((number) + (align)) & ~((align)-1)) : (number))
+
+/* Macro for testing whether a number is a power of 2. Positive if so */
+#define IS_POWER_OF_2(number)	(number != 0 && ((number & (number - 1)) == 0))
+
+/*
+ * Macro for ronding up to next power of 2
+ * it is done by count leading 0 (clz assembly opcode) and see msb set bit.
+ * then you can shift it left and get number which power of 2
+ * Note: this Macro is for 32 bit number
+ */
+#define ROUND_UP_TO_POW_OF_2(number)	(1 << (32 - __builtin_clz(number - 1)))
+
+#endif	/* MVEBU_H */
diff --git a/include/plat/marvell/common/plat_private.h b/include/plat/marvell/common/plat_private.h
new file mode 100644
index 00000000..98cf054a
--- /dev/null
+++ b/include/plat/marvell/common/plat_private.h
@@ -0,0 +1,43 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * 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 Marvell 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 __PLAT_PRIVATE_H__
+#define __PLAT_PRIVATE_H__
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void plat_delay_timer_init(void);
+
+#endif /* __PLAT_PRIVATE_H__ */
diff --git a/include/plat/marvell/common/sys_info.h b/include/plat/marvell/common/sys_info.h
new file mode 100644
index 00000000..86daeebf
--- /dev/null
+++ b/include/plat/marvell/common/sys_info.h
@@ -0,0 +1,64 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * 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 Marvell 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 _SYS_INFO_H_
+#define _SYS_INFO_H_
+
+#define SYSTEM_INFO_ADDRESS	0x4000000
+
+enum sys_info_type {
+	ARRAY_SIZE,
+	DRAM_CS0_SIZE,
+	DRAM_CS1_SIZE,
+	DRAM_CS2_SIZE,
+	DRAM_CS3_SIZE,
+	DRAM_BUS_WIDTH,
+	DRAM_ECC,
+	DRAM_CS0,
+	DRAM_CS1,
+	DRAM_CS2,
+	DRAM_CS3,
+	RECOVERY_MODE,
+	BOOT_MODE,
+	MAX_OPTION,
+};
+
+struct sys_info {
+	enum sys_info_type field_id;
+	uint32_t value;
+};
+
+void set_info(enum sys_info_type field, uint32_t value);
+
+#endif /* _SYS_INFO_H_ */