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Subject[PATCH RESEND 1/2] ARM: socfpga: Add support for UART1 debug uart for earlyprintk
Date
From: Dinh Nguyen <dinguyen@opensource.altera.com>

Add support for hardware uart1 for earlyprintk support on Arria10 devkit.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
CC: Russell King <linux@arm.linux.org.uk>
---
arch/arm/Kconfig.debug | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 970de75..0e52b92 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -920,13 +920,22 @@ choice
on SA-11x0 UART ports. The kernel will check for the first
enabled UART in a sequence 3-1-2.

- config DEBUG_SOCFPGA_UART
+ config DEBUG_SOCFPGA_UART0
depends on ARCH_SOCFPGA
- bool "Use SOCFPGA UART for low-level debug"
+ bool "Use SOCFPGA UART0 for low-level debug"
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
- on SOCFPGA based platforms.
+ on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
+
+ config DEBUG_SOCFPGA_UART1
+ depends on ARCH_SOCFPGA
+ bool "Use SOCFPGA UART1 for low-level debug"
+ select DEBUG_UART_8250
+ help
+ Say Y here if you want kernel low-level debugging support
+ on SOCFPGA(Arria 10) based platforms.
+

config DEBUG_SUN9I_UART0
bool "Kernel low-level debugging messages via sun9i UART0"
@@ -1419,7 +1428,8 @@ config DEBUG_UART_PHYS
default 0xfcb00000 if DEBUG_HI3620_UART
default 0xfe800000 if ARCH_IOP32X
default 0xff690000 if DEBUG_RK32_UART2
- default 0xffc02000 if DEBUG_SOCFPGA_UART
+ default 0xffc02000 if DEBUG_SOCFPGA_UART0
+ default 0xffc02100 if DEBUG_SOCFPGA_UART1
default 0xffd82340 if ARCH_IOP13XX
default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
@@ -1497,7 +1507,8 @@ config DEBUG_UART_VIRT
default 0xfeb26000 if DEBUG_RK3X_UART1
default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
default 0xfeb31000 if DEBUG_KEYSTONE_UART1
- default 0xfec02000 if DEBUG_SOCFPGA_UART
+ default 0xfec02000 if DEBUG_SOCFPGA_UART0
+ default 0xfec02100 if DEBUG_SOCFPGA_UART1
default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
default 0xfec10000 if DEBUG_SIRFATLAS7_UART0
@@ -1542,8 +1553,8 @@ config DEBUG_UART_8250_WORD
bool "Use 32-bit accesses for 8250 UART"
depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
depends on DEBUG_UART_8250_SHIFT >= 2
- default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
- ARCH_KEYSTONE || \
+ default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART0 || \
+ DEBUG_SOCFPGA_UART1 || ARCH_KEYSTONE || \
DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
DEBUG_DAVINCI_DA8XX_UART2 || \
DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
--
2.2.1


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