From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Fri, 26 Jul 2013 18:08:56 +0100 Subject: [PATCH] ARM: debug: use generic option for ep93xx PL10x debug port In-Reply-To: References: <201307171048.17430.hartleys@visionengravers.com> Message-ID: <20130726170856.GV24642@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jul 26, 2013 at 12:04:10PM -0500, H Hartley Sweeten wrote: > Russell, > > Ping... Any comments on this? I did reply on the 22nd, suggesting it gets put in the patch system. > -----Original Message----- > From: linux-arm-kernel [mailto:linux-arm-kernel-bounces at lists.infradead.org] On Behalf Of H Hartley Sweeten > Sent: Wednesday, July 17, 2013 10:48 AM > To: ARM Kernel > Cc: Russell King; Ryan Mallon > Subject: [PATCH] ARM: debug: use generic option for ep93xx PL10x debug port > > The generic option DEBUG_LL_UART_PL01X is now used to select the UART > type for the kernel low-level debugging on the ep93xx platform. This > enables two config options to provide the physical and virtual base > address of the debug UART. > > Use the generic options instead of providing platform specific options > to select the debug UART. > > UART1 is selected with: DEBUG_UART_PHYS = 0x808c0000 > DEBUG_UART_VIRT = 0xfedc0000 > > UART2 is selected with: DEBUG_UART_PHYS = 0x808d0000 > DEBUG_UART_VIRT = 0xfedd0000 > > UART3 is selected with: DEBUG_UART_PHYS = 0x808e0000 > DEBUG_UART_VIRT = 0xfede0000 > > The selected UART must already be initialized by the bootloader. If it > isn't setup nothing will appear (which might be desired). > > Signed-off-by: H Hartley Sweeten > Cc: Russell King > Cc: Ryan Mallon > --- > This applies on top of Russell King's "Clean up the debugging support". > > arch/arm/mach-ep93xx/Kconfig | 14 -------------- > arch/arm/mach-ep93xx/include/mach/uncompress.h | 14 ++------------ > 2 files changed, 2 insertions(+), 26 deletions(-) > > diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig > index fe3c1fa..93e54fd 100644 > --- a/arch/arm/mach-ep93xx/Kconfig > +++ b/arch/arm/mach-ep93xx/Kconfig > @@ -194,20 +194,6 @@ config MACH_VISION_EP9307 > Say 'Y' here if you want your kernel to support the > Vision Engraving Systems EP9307 SoM. > > -choice > - prompt "Select a UART for early kernel messages" > - > -config EP93XX_EARLY_UART1 > - bool "UART1" > - > -config EP93XX_EARLY_UART2 > - bool "UART2" > - > -config EP93XX_EARLY_UART3 > - bool "UART3" > - > -endchoice > - > endmenu > > endif > diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h > index b5cc77d..03c42e5 100644 > --- a/arch/arm/mach-ep93xx/include/mach/uncompress.h > +++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h > @@ -31,18 +31,8 @@ static void __raw_writel(unsigned int value, unsigned int ptr) > *((volatile unsigned int *)ptr) = value; > } > > -#if defined(CONFIG_EP93XX_EARLY_UART1) > -#define UART_BASE EP93XX_UART1_PHYS_BASE > -#elif defined(CONFIG_EP93XX_EARLY_UART2) > -#define UART_BASE EP93XX_UART2_PHYS_BASE > -#elif defined(CONFIG_EP93XX_EARLY_UART3) > -#define UART_BASE EP93XX_UART3_PHYS_BASE > -#else > -#define UART_BASE EP93XX_UART1_PHYS_BASE > -#endif > - > -#define PHYS_UART_DATA (UART_BASE + 0x00) > -#define PHYS_UART_FLAG (UART_BASE + 0x18) > +#define PHYS_UART_DATA (CONFIG_DEBUG_UART_PHYS + 0x00) > +#define PHYS_UART_FLAG (CONFIG_DEBUG_UART_PHYS + 0x18) > #define UART_FLAG_TXFF 0x20 > > static inline void putc(int c) > -- > 1.8.3.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel