From f2ccccaa81ec14a80fedb48c37226e5d852ada7a Mon Sep 17 00:00:00 2001
From: Rohit Mathew <rohit.mathew@arm.com>
Date: Mon, 13 Dec 2021 13:50:15 +0000
Subject: [PATCH] feat(sgi): deviate from arm css common uart related
 definitions

The Neoverse reference design platforms will migrate to use different
set of secure and non-secure UART ports. This implies that the board
specific macros defined in the common Arm platform code will no longer
be usable for Neoverse reference design platforms.

In preparation for migrating to a different set of UART ports, add a
Neoverse reference design platform specific copy of the board
definitions. The value of these definitions will be changed in
subsequent patches.

Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Change-Id: I39170848ecd81a7c1bbd3689bd905e45f9435f5c
---
 plat/arm/css/sgi/include/sgi_soc_css_def.h    | 57 +++++++++++++++++++
 .../css/sgi/include/sgi_soc_platform_def.h    |  6 +-
 2 files changed, 60 insertions(+), 3 deletions(-)
 create mode 100644 plat/arm/css/sgi/include/sgi_soc_css_def.h

diff --git a/plat/arm/css/sgi/include/sgi_soc_css_def.h b/plat/arm/css/sgi/include/sgi_soc_css_def.h
new file mode 100644
index 000000000..8d3d1b99e
--- /dev/null
+++ b/plat/arm/css/sgi/include/sgi_soc_css_def.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SGI_SOC_CSS_DEF_H
+#define SGI_SOC_CSS_DEF_H
+
+#include <lib/utils_def.h>
+#include <plat/arm/board/common/v2m_def.h>
+#include <plat/arm/soc/common/soc_css_def.h>
+#include <plat/common/common_def.h>
+
+/*
+ * Definitions common to all ARM CSSv1-based development platforms
+ */
+
+/* Platform ID address */
+#define BOARD_CSS_PLAT_ID_REG_ADDR		UL(0x7ffe00e0)
+
+/* Platform ID related accessors */
+#define BOARD_CSS_PLAT_ID_REG_ID_MASK		0x0f
+#define BOARD_CSS_PLAT_ID_REG_ID_SHIFT		0x0
+#define BOARD_CSS_PLAT_TYPE_EMULATOR		0x02
+
+#ifndef __ASSEMBLER__
+
+#include <lib/mmio.h>
+
+#define BOARD_CSS_GET_PLAT_TYPE(addr)					\
+	((mmio_read_32(addr) & BOARD_CSS_PLAT_ID_REG_ID_MASK)		\
+	>> BOARD_CSS_PLAT_ID_REG_ID_SHIFT)
+
+#endif /* __ASSEMBLER__ */
+
+#define MAX_IO_DEVICES			3
+#define MAX_IO_HANDLES			4
+
+/* Reserve the last block of flash for PSCI MEM PROTECT flag */
+#define PLAT_ARM_FLASH_IMAGE_BASE	V2M_FLASH0_BASE
+#define PLAT_ARM_FLASH_IMAGE_MAX_SIZE	(V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+#define PLAT_ARM_NVM_BASE		V2M_FLASH0_BASE
+#define PLAT_ARM_NVM_SIZE		(V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+/* UART related constants */
+#define PLAT_ARM_BOOT_UART_BASE			SOC_CSS_UART0_BASE
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ		SOC_CSS_UART0_CLK_IN_HZ
+
+#define PLAT_ARM_RUN_UART_BASE			SOC_CSS_UART1_BASE
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ		SOC_CSS_UART1_CLK_IN_HZ
+
+#define PLAT_ARM_CRASH_UART_BASE		PLAT_ARM_RUN_UART_BASE
+#define PLAT_ARM_CRASH_UART_CLK_IN_HZ		PLAT_ARM_RUN_UART_CLK_IN_HZ
+
+#endif /* SGI_SOC_CSS_DEF_H */
diff --git a/plat/arm/css/sgi/include/sgi_soc_platform_def.h b/plat/arm/css/sgi/include/sgi_soc_platform_def.h
index 405d62f12..3b8d9c664 100644
--- a/plat/arm/css/sgi/include/sgi_soc_platform_def.h
+++ b/plat/arm/css/sgi/include/sgi_soc_platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2022, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,10 +7,10 @@
 #ifndef SGI_SOC_PLATFORM_DEF_H
 #define SGI_SOC_PLATFORM_DEF_H
 
-#include <sgi_base_platform_def.h>
-#include <plat/arm/board/common/board_css_def.h>
 #include <plat/arm/board/common/v2m_def.h>
 #include <plat/arm/soc/common/soc_css_def.h>
+#include <sgi_base_platform_def.h>
+#include <sgi_soc_css_def.h>
 
 /* Map the System registers to access from S-EL0 */
 #define CSS_SYSTEMREG_DEVICE_BASE	(0x1C010000)