[PATCH v2 2/2] arm: sti LL_UART: add STiH418 SBC UART0 support

From: Alain Volmat <avolmat@me.com>
To: Russell King <linux@armlinux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Olof Johansson <olof@lixom.net>,
	Linus Walleij <linus.walleij@linaro.org>,
	Nathan Huckleberry <nhuck15@gmail.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Claudiu Beznea <claudiu.beznea@microchip.com>,
	Enrico Weigelt <info@metux.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: patrice.chotard@st.com, avolmat@me.com
Subject: [PATCH v2 2/2] arm: sti LL_UART: add STiH418 SBC UART0 support
Date: Sun, 30 Aug 2020 21:57:48 +0200	[thread overview]
Message-ID: <20200830195748.30221-3-avolmat@me.com> (raw)
In-Reply-To: <20200830195748.30221-1-avolmat@me.com>

Add the entry for the STiH418 SBC UART0 low level uart.

Signed-off-by: Alain Volmat <avolmat@me.com>
---
 arch/arm/Kconfig.debug | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index e97d6e5c8898..447d177fcf8d 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1204,6 +1204,16 @@ choice
 
 		  If unsure, say N.
 
+	config DEBUG_STIH418_SBC_ASC0
+		bool "Use StiH418 SBC ASC0 UART for low-level debug"
+		depends on ARCH_STI
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on STiH418 based platforms which has default UART wired
+		  up to SBC ASC0.
+
+		  If unsure, say N.
+
 	config STM32F4_DEBUG_UART
 		bool "Use STM32F4 UART for low-level debug"
 		depends on MACH_STM32F429 || MACH_STM32F469
@@ -1587,6 +1597,7 @@ config DEBUG_LL_INCLUDE
 	default "debug/sirf.S" if DEBUG_SIRFSOC_UART
 	default "debug/sti.S" if DEBUG_STIH41X_ASC2
 	default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1
+	default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0
 	default "debug/stm32.S" if DEBUG_STM32_UART
 	default "debug/tegra.S" if DEBUG_TEGRA_UART
 	default "debug/ux500.S" if DEBUG_UX500_UART
@@ -1620,6 +1631,7 @@ config DEBUG_UART_PHYS
 	default 0x03010fe0 if ARCH_RPC
 	default 0x07000000 if DEBUG_SUN9I_UART0
 	default 0x09405000 if DEBUG_ZTE_ZX
+	default 0x09530000 if DEBUG_STIH418_SBC_ASC0
 	default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
 				DEBUG_VEXPRESS_UART0_CA9
 	default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
@@ -1750,7 +1762,8 @@ config DEBUG_UART_PHYS
 		DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
 		DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
 		DEBUG_AT91_UART || DEBUG_STM32_UART || \
-		DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1
+		DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \
+		DEBUG_STIH418_SBC_ASC0
 
 config DEBUG_UART_VIRT
 	hex "Virtual base address of debug UART"
@@ -1796,6 +1809,7 @@ config DEBUG_UART_VIRT
 	default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
 	default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU
 	default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU
+	default 0xf9530000 if DEBUG_STIH418_SBC_ASC0
 	default 0xf9e09000 if DEBUG_AM33XXUART1
 	default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
 	default 0xfa022000 if DEBUG_TI81XXUART2
@@ -1864,7 +1878,8 @@ config DEBUG_UART_VIRT
 		DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
 		DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
 		DEBUG_AT91_UART || DEBUG_STM32_UART || \
-		DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1
+  		DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \
+		DEBUG_STIH418_SBC_ASC0
 
 config DEBUG_UART_8250_SHIFT
 	int "Register offset shift for the 8250 debug UART"
-- 
2.17.1

