[PATCH 1/3] riscv: Add place-holder for FU540 clk and gpio

[Pragnesh Patel <pragnesh.patel@sifive.com>]

Added FU540 place-holder so that SoC specific values
will be kept here.

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
---
 arch/riscv/include/asm/arch-fu540/clk.h    | 14 ++++++++
 arch/riscv/include/asm/arch-fu540/gpio.h   | 42 ++++++++++++++++++++++
 arch/riscv/include/asm/arch-generic/gpio.h | 32 ++---------------
 board/sifive/fu540/Kconfig                 |  3 ++
 4 files changed, 62 insertions(+), 29 deletions(-)
 create mode 100644 arch/riscv/include/asm/arch-fu540/clk.h
 create mode 100644 arch/riscv/include/asm/arch-fu540/gpio.h

diff --git a/arch/riscv/include/asm/arch-fu540/clk.h b/arch/riscv/include/asm/arch-fu540/clk.h
new file mode 100644
index 0000000000..b39f5b55c9
--- /dev/null
+++ b/arch/riscv/include/asm/arch-fu540/clk.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2019 SiFive, Inc.
+ *
+ * Authors:
+ *   Pragnesh Patel <pragnesh.patel@sifive.com>
+ */
+
+#ifndef _CLK_FU540_H
+#define _CLK_FU540_H
+
+/* Note: This is a placeholder header for driver compilation. */
+
+#endif
diff --git a/arch/riscv/include/asm/arch-fu540/gpio.h b/arch/riscv/include/asm/arch-fu540/gpio.h
new file mode 100644
index 0000000000..f8ddd75852
--- /dev/null
+++ b/arch/riscv/include/asm/arch-fu540/gpio.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2019 SiFive, Inc.
+ *
+ * Authors:
+ *   Sagar Shrikant Kadam <sagar.kadam@sifive.com>
+ */
+
+#ifndef _GPIO_FU540_H
+#define _GPIO_FU540_H
+
+#define GPIO_INPUT_VAL  (0x00)
+#define GPIO_INPUT_EN   (0x04)
+#define GPIO_OUTPUT_EN  (0x08)
+#define GPIO_OUTPUT_VAL (0x0C)
+#define GPIO_PULLUP_EN  (0x10)
+#define GPIO_DRIVE      (0x14)
+#define GPIO_RISE_IE    (0x18)
+#define GPIO_RISE_IP    (0x1C)
+#define GPIO_FALL_IE    (0x20)
+#define GPIO_FALL_IP    (0x24)
+#define GPIO_HIGH_IE    (0x28)
+#define GPIO_HIGH_IP    (0x2C)
+#define GPIO_LOW_IE     (0x30)
+#define GPIO_LOW_IP     (0x34)
+#define GPIO_IOF_EN     (0x38)
+#define GPIO_IOF_SEL    (0x3C)
+#define GPIO_OUTPUT_XOR    (0x40)
+
+#define NR_GPIOS       16
+
+enum gpio_state {
+	LOW,
+	HIGH
+};
+
+/* Details about a GPIO bank */
+struct sifive_gpio_platdata {
+	void *base;     /* address of registers in physical memory */
+};
+
+#endif /* _GPIO_FU540_H */
diff --git a/arch/riscv/include/asm/arch-generic/gpio.h b/arch/riscv/include/asm/arch-generic/gpio.h
index dfcb753051..5f0dc0a801 100644
--- a/arch/riscv/include/asm/arch-generic/gpio.h
+++ b/arch/riscv/include/asm/arch-generic/gpio.h
@@ -3,33 +3,7 @@
  * Copyright (C) 2019 SiFive, Inc.
  */
 
-#ifndef _GPIO_SIFIVE_H
-#define _GPIO_SIFIVE_H
+#ifndef __ASM_RISCV_ARCH_GPIO_H
+#define __ASM_RISCV_ARCH_GPIO_H
 
-#define GPIO_INPUT_VAL	0x00
-#define GPIO_INPUT_EN	0x04
-#define GPIO_OUTPUT_EN	0x08
-#define GPIO_OUTPUT_VAL	0x0C
-#define GPIO_RISE_IE	0x18
-#define GPIO_RISE_IP	0x1C
-#define GPIO_FALL_IE	0x20
-#define GPIO_FALL_IP	0x24
-#define GPIO_HIGH_IE	0x28
-#define GPIO_HIGH_IP	0x2C
-#define GPIO_LOW_IE	0x30
-#define GPIO_LOW_IP	0x34
-#define GPIO_OUTPUT_XOR	0x40
-
-#define NR_GPIOS	16
-
-enum gpio_state {
-	LOW,
-	HIGH
-};
-
-/* Details about a GPIO bank */
-struct sifive_gpio_platdata {
-	void *base;     /* address of registers in physical memory */
-};
-
-#endif /* _GPIO_SIFIVE_H */
+#endif /* __ASM_RISCV_ARCH_GPIO_H */
diff --git a/board/sifive/fu540/Kconfig b/board/sifive/fu540/Kconfig
index 5ca21474de..816a135b21 100644
--- a/board/sifive/fu540/Kconfig
+++ b/board/sifive/fu540/Kconfig
@@ -12,6 +12,9 @@ config SYS_CPU
 config SYS_CONFIG_NAME
 	default "sifive-fu540"
 
+config SYS_SOC
+	default "fu540"
+
 config SYS_TEXT_BASE
 	default 0x80000000 if !RISCV_SMODE
 	default 0x80200000 if RISCV_SMODE
-- 
2.17.1