[PATCH u-boot v2019.04-aspeed-openbmc 2/3] board: ast2600_qualcomm: add initial version of Qualcomm DC-SCM V1 board

[Jae Hyun Yoo]

Add initial version of Qualcomm DC-SCM V1 board to support Qualcomm
specific options.

Signed-off-by: Jae Hyun Yoo <quic_jaehyoo at quicinc.com>
---
 arch/arm/mach-aspeed/ast2600/Kconfig      |  8 ++++++
 board/aspeed/ast2600_qualcomm/Kconfig     | 15 +++++++++++
 board/aspeed/ast2600_qualcomm/Makefile    |  1 +
 board/aspeed/ast2600_qualcomm/dc-scm-v1.c | 33 +++++++++++++++++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 board/aspeed/ast2600_qualcomm/Kconfig
 create mode 100644 board/aspeed/ast2600_qualcomm/Makefile
 create mode 100644 board/aspeed/ast2600_qualcomm/dc-scm-v1.c

diff --git a/arch/arm/mach-aspeed/ast2600/Kconfig b/arch/arm/mach-aspeed/ast2600/Kconfig
index 46cc1ad1dbd9..252458846a84 100644
--- a/arch/arm/mach-aspeed/ast2600/Kconfig
+++ b/arch/arm/mach-aspeed/ast2600/Kconfig
@@ -46,6 +46,13 @@ config TARGET_AST2600_INTEL
 	  AST2600-INTEL is an Intel Eagle Stream CRB with
 	  AST2600 as the BMC.
 
+config TARGET_AST2600_QUALCOMM_DC_SCM_V1
+	bool "AST2600_QUALCOMM_DC_SCM_V1"
+	depends on ASPEED_AST2600
+	help
+	  AST2600-QUALCOMM-DC-SCM-V1 is a Qualcomm DC-SCM V1 board which is
+	  equipped with AST2600.
+
 endchoice
 
 source "board/aspeed/evb_ast2600/Kconfig"
@@ -53,5 +60,6 @@ source "board/aspeed/fpga_ast2600/Kconfig"
 source "board/aspeed/slt_ast2600/Kconfig"
 source "board/aspeed/ast2600_ibm/Kconfig"
 source "board/aspeed/ast2600_intel/Kconfig"
+source "board/aspeed/ast2600_qualcomm/Kconfig"
 
 endif
diff --git a/board/aspeed/ast2600_qualcomm/Kconfig b/board/aspeed/ast2600_qualcomm/Kconfig
new file mode 100644
index 000000000000..3ede24c34dee
--- /dev/null
+++ b/board/aspeed/ast2600_qualcomm/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_AST2600_QUALCOMM_DC_SCM_V1
+
+config SYS_BOARD
+	default "ast2600_qualcomm"
+
+config SYS_VENDOR
+	default "aspeed"
+
+config SYS_SOC
+	default "ast2600"
+
+config SYS_CONFIG_NAME
+	default "evb_ast2600"
+
+endif
diff --git a/board/aspeed/ast2600_qualcomm/Makefile b/board/aspeed/ast2600_qualcomm/Makefile
new file mode 100644
index 000000000000..cb2aae7f9298
--- /dev/null
+++ b/board/aspeed/ast2600_qualcomm/Makefile
@@ -0,0 +1 @@
+obj-y += dc-scm-v1.o
diff --git a/board/aspeed/ast2600_qualcomm/dc-scm-v1.c b/board/aspeed/ast2600_qualcomm/dc-scm-v1.c
new file mode 100644
index 000000000000..40bc85e068ad
--- /dev/null
+++ b/board/aspeed/ast2600_qualcomm/dc-scm-v1.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+/* GPIO registers */
+#define GPIO_BASE		0x1e780000
+#define GPIO_UVWX_VAL		(GPIO_BASE + 0x88)
+#define GPIO_UVWX_VAL_V3	BIT(11)
+#define GPIO_UVWX_DIR		(GPIO_BASE + 0x8c)
+#define GPIO_UVWX_DIR_V3	BIT(11)
+
+static void gpio_init(void)
+{
+	/* Set GPIOV3 (BMC_OK) as an output with value low explicitly. */
+	writel(readl(GPIO_UVWX_DIR) | GPIO_UVWX_DIR_V3, GPIO_UVWX_DIR);
+	writel(readl(GPIO_UVWX_VAL) & ~GPIO_UVWX_VAL_V3, GPIO_UVWX_VAL);
+}
+
+int board_early_init_f(void)
+{
+	gpio_init();
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	return 0;
+}
-- 
2.25.1