linux-kernel - [PATCH 2/3] ARM: Prepare Realtek RTD1195

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Message-Id: <20191021021035.7032-3-afaerber@suse.de>
Date:   Mon, 21 Oct 2019 04:10:34 +0200
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        Andreas Färber <afaerber@...e.de>,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] ARM: Prepare Realtek RTD1195

Introduce ARCH_REALTEK Kconfig option also for 32-bit Arm.

Override the text offset to cope with boot ROM living up to 0xf4000.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 arch/arm/Kconfig              |  2 ++
 arch/arm/Makefile             |  1 +
 arch/arm/mach-realtek/Kconfig | 16 ++++++++++++++++
 3 files changed, 19 insertions(+)
 create mode 100644 arch/arm/mach-realtek/Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8a50efb559f3..ac0d1837253d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -700,6 +700,8 @@ source "arch/arm/mach-qcom/Kconfig"
 
 source "arch/arm/mach-rda/Kconfig"
 
+source "arch/arm/mach-realtek/Kconfig"
+
 source "arch/arm/mach-realview/Kconfig"
 
 source "arch/arm/mach-rockchip/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index db857d07114f..60c76380f380 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -148,6 +148,7 @@ head-y		:= arch/arm/kernel/head$(MMUEXT).o
 textofs-y	:= 0x00008000
 # We don't want the htc bootloader to corrupt kernel during resume
 textofs-$(CONFIG_PM_H1940)      := 0x00108000
+textofs-$(CONFIG_ARCH_REALTEK)  := 0x00108000
 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
 ifeq ($(CONFIG_ARCH_SA1100),y)
 textofs-$(CONFIG_SA1111) := 0x00208000
diff --git a/arch/arm/mach-realtek/Kconfig b/arch/arm/mach-realtek/Kconfig
new file mode 100644
index 000000000000..67ae5f122acb
--- /dev/null
+++ b/arch/arm/mach-realtek/Kconfig
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+menuconfig ARCH_REALTEK
+	bool "Realtek SoCs"
+	depends on ARCH_MULTI_V7
+	select ARM_AMBA
+	select ARM_GIC
+	select ARM_GLOBAL_TIMER
+	select CACHE_L2X0
+	select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
+	select COMMON_CLK
+	select GENERIC_IRQ_CHIP
+	select HAVE_ARM_SCU if SMP
+	select HAVE_ARM_TWD if SMP
+	select RESET_CONTROLLER
+	help
+	  This enables support for the Realtek RTD1195 SoC family.
-- 
2.16.4