From: Olof Johansson Date: Tue, 14 Jun 2016 17:09:24 +0000 (-0700) Subject: Merge tag 'at91-ab-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni... X-Git-Tag: v4.8-rc1~70^2~28 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=cc97d39431e25cf1359f7b29be2e814541f5738d;hp=41f7337c2232b37fb8335fc82d35182dbb8a30a1;p=cascardo%2Flinux.git Merge tag 'at91-ab-4.8-soc' of git://git./linux/kernel/git/abelloni/linux into next/soc SoC changes for 4.8: - Solve an issue with DEBUG_LL and multi_v7 - Also make DEBUG_LL more user friendly * tag 'at91-ab-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: ARM: at91: debug: add default DEBUG_LL addresses ARM: at91: debug: use DEBUG_UART_VIRT Signed-off-by: Olof Johansson --- diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 19a3dcf5eb2e..ba4003e687ac 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -109,23 +109,41 @@ choice 0x80020000 | 0xf0020000 | UART8 0x80024000 | 0xf0024000 | UART9 - config DEBUG_AT91_UART - bool "Kernel low-level debugging on Atmel SoCs" - depends on ARCH_AT91 + config DEBUG_AT91_RM9200_DBGU + bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" + select DEBUG_AT91_UART + depends on SOC_AT91RM9200 || SOC_AT91SAM9 help - Say Y here if you want the debug print routines to direct - their output to the serial port on atmel devices. + Say Y here if you want kernel low-level debugging support + on the DBGU port of: + at91rm9200, at91sam9260, at91sam9g20, at91sam9261, + at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 - SOC DEBUG_UART_PHYS DEBUG_UART_VIRT PORT - rm9200, 9260/9g20, 0xfffff200 0xfefff200 DBGU - 9261/9g10, 9rl - 9263, 9g45, sama5d3 0xffffee00 0xfeffee00 DBGU - sama5d4 0xfc00c000 0xfb00c000 USART3 - sama5d4 0xfc069000 0xfb069000 DBGU - sama5d2 0xf8020000 0xf7020000 UART1 + config DEBUG_AT91_SAM9263_DBGU + bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" + select DEBUG_AT91_UART + depends on SOC_AT91SAM9 || SOC_SAMA5D3 + help + Say Y here if you want kernel low-level debugging support + on the DBGU port of: + at91sam9263, at91sam9g45, at91sam9m10, + sama5d3 - Please adjust DEBUG_UART_PHYS configuration options based on - your needs. + config DEBUG_AT91_SAMA5D2_UART1 + bool "Kernel low-level debugging on SAMA5D2 UART1" + select DEBUG_AT91_UART + depends on SOC_SAMA5D2 + help + Say Y here if you want kernel low-level debugging support + on the UART1 port of sama5d2. + + config DEBUG_AT91_SAMA5D4_USART3 + bool "Kernel low-level debugging on SAMA5D4 USART3" + select DEBUG_AT91_UART + depends on SOC_SAMA5D4 + help + Say Y here if you want kernel low-level debugging support + on the USART3 port of sama5d4. config DEBUG_BCM2835 bool "Kernel low-level debugging on BCM2835 PL011 UART" @@ -1296,6 +1314,10 @@ choice endchoice +config DEBUG_AT91_UART + bool + depends on ARCH_AT91 + config DEBUG_EXYNOS_UART bool @@ -1502,8 +1524,10 @@ config DEBUG_UART_PHYS default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE default 0xf7fc9000 if DEBUG_BERLIN_UART + default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 default 0xf8b00000 if DEBUG_HIX5HD2_UART default 0xf991e000 if DEBUG_QCOM_UARTDM + default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 default 0xfcb00000 if DEBUG_HI3620_UART default 0xfd883000 if DEBUG_ALPINE_UART0 default 0xfe800000 if ARCH_IOP32X @@ -1518,6 +1542,8 @@ config DEBUG_UART_PHYS default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 default 0xfffe8600 if DEBUG_BCM63XX_UART + default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU + default 0xfffff200 if DEBUG_AT91_RM9200_DBGU default 0xfffff700 if ARCH_IOP33X depends on ARCH_EP93XX || \ DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ @@ -1566,13 +1592,17 @@ config DEBUG_UART_VIRT DEBUG_S3C2410_UART1) default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ DEBUG_S3C2410_UART2) + default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 default 0xf7fc9000 if DEBUG_BERLIN_UART default 0xf8007000 if DEBUG_HIP04_UART default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 + default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU + default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU default 0xfa71e000 if DEBUG_QCOM_UARTDM default 0xfb002000 if DEBUG_CNS3XXX default 0xfb009000 if DEBUG_REALVIEW_STD_PORT + default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT default 0xfc40ab00 if DEBUG_BRCMSTB_UART default 0xfc705000 if DEBUG_ZTE_ZX @@ -1627,7 +1657,8 @@ config DEBUG_UART_VIRT DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ DEBUG_S3C64XX_UART || \ DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ - DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 + DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ + DEBUG_AT91_UART config DEBUG_UART_8250_SHIFT int "Register offset shift for the 8250 debug UART" diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S index d4ae3b8e2426..0098401e5aeb 100644 --- a/arch/arm/include/debug/at91.S +++ b/arch/arm/include/debug/at91.S @@ -9,14 +9,6 @@ * */ -#ifdef CONFIG_MMU -#define AT91_IO_P2V(x) ((x) - 0x01000000) -#else -#define AT91_IO_P2V(x) (x) -#endif - -#define AT91_DEBUG_UART_VIRT AT91_IO_P2V(CONFIG_DEBUG_UART_PHYS) - #define AT91_DBGU_SR (0x14) /* Status Register */ #define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */ #define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ @@ -24,7 +16,7 @@ .macro addruart, rp, rv, tmp ldr \rp, =CONFIG_DEBUG_UART_PHYS @ System peripherals (phys address) - ldr \rv, =AT91_DEBUG_UART_VIRT @ System peripherals (virt address) + ldr \rv, =CONFIG_DEBUG_UART_VIRT @ System peripherals (virt address) .endm .macro senduart,rd,rx