linux-kernel - [PATCH v2] ARM: at91: debug: add lan966 support

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Message-ID: <20220324131031.32430-1-kavyasree.kotagiri@microchip.com>
Date:   Thu, 24 Mar 2022 18:40:31 +0530
From:   Kavyasree Kotagiri <kavyasree.kotagiri@...rochip.com>
To:     <alexandre.belloni@...tlin.com>, <linux@...linux.org.uk>,
        <linus.walleij@...aro.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <UNGLinuxDriver@...rochip.com>,
        <michael@...le.cc>, <Manohar.Puri@...rochip.com>,
        <Kavyasree.Kotagiri@...rochip.com>
Subject: [PATCH v2] ARM: at91: debug: add lan966 support

Add support for low-level debugging on FLEXCOM3 USART of
LAN966 SoC.

Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@...rochip.com>
---
v1 -> v2:
- Corrected flexcom3 base address - 0xe0064200.

 arch/arm/Kconfig.debug | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 0c9497d549e3..04501ddc7ab4 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -210,6 +210,14 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on the FLEXCOM3 port of SAMA7G5.
 
+        config DEBUG_AT91_LAN966_FLEXCOM3
+                bool "Kernel low-level debugging on LAN966 FLEXCOM3 USART"
+                select DEBUG_AT91_UART
+                depends on SOC_LAN966
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on the FLEXCOM3 port of LAN966.
+
 	config DEBUG_BCM2835
 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
 		depends on ARCH_BCM2835 && ARCH_MULTI_V6
@@ -1685,6 +1693,7 @@ config DEBUG_UART_PHYS
 	default 0xd4017000 if DEBUG_MMP_UART2
 	default 0xd4018000 if DEBUG_MMP_UART3
 	default 0xe0000000 if DEBUG_SPEAR13XX
+	default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM3
 	default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3
 	default 0xe4007000 if DEBUG_HIP04_UART
 	default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
@@ -1805,6 +1814,7 @@ config DEBUG_UART_VIRT
 	default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
 	default 0xfcfe8600 if DEBUG_BCM63XX_UART
 	default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX
+	default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM3
 	default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1
 	default 0xfd883000 if DEBUG_ALPINE_UART0
 	default 0xfdd32000 if DEBUG_STIH41X_ASC2
-- 
2.17.1