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Date: Wed, 25 Nov 2015 17:06:53 +0100 From: Arnd Bergmann <arnd@...db.de> To: linux-arm-kernel@...ts.infradead.org Cc: linux-kernel@...r.kernel.org, Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <k.kozlowski@...sung.com>, Mark Brown <broonie@...nel.org>, Vasily Khoruzhick <anarsoul@...il.com>, Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>, Tomasz Figa <tfiga@...omium.org>, Ben Dooks <ben.dooks@...ethink.co.uk>, linux-samsung-soc@...r.kernel.org, Arnd Bergmann <arnd@...db.de> Subject: [PATCH 08/10] ARM: s3c64xx: use common debug-ll implementation The uart on s3c64xx is essentially the same as on s3c24xx, so we can share a single assembler file. However, the addresses are different, and we need to add the respective Kconfig magic to get the right addresses. Signed-off-by: Arnd Bergmann <arnd@...db.de> --- arch/arm/Kconfig.debug | 19 +++++++++++- arch/arm/mach-s3c64xx/include/mach/debug-macro.S | 38 ------------------------ 2 files changed, 18 insertions(+), 39 deletions(-) delete mode 100644 arch/arm/mach-s3c64xx/include/mach/debug-macro.S diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 259c0ca9c99a..17ca2b5f8be7 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -857,6 +857,7 @@ choice depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS select DEBUG_S3C24XX_UART if ARCH_S3C24XX + select DEBUG_S3C64XX_UART if ARCH_S3C64XX select DEBUG_S5PV210_UART if ARCH_S5PV210 bool "Use Samsung S3C UART 0 for low-level debug" help @@ -868,6 +869,7 @@ choice depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS select DEBUG_S3C24XX_UART if ARCH_S3C24XX + select DEBUG_S3C64XX_UART if ARCH_S3C64XX select DEBUG_S5PV210_UART if ARCH_S5PV210 bool "Use Samsung S3C UART 1 for low-level debug" help @@ -879,6 +881,7 @@ choice depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS select DEBUG_S3C24XX_UART if ARCH_S3C24XX + select DEBUG_S3C64XX_UART if ARCH_S3C64XX select DEBUG_S5PV210_UART if ARCH_S5PV210 bool "Use Samsung S3C UART 2 for low-level debug" help @@ -889,6 +892,7 @@ choice config DEBUG_S3C_UART3 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C64XX_UART if ARCH_S3C64XX select DEBUG_S5PV210_UART if ARCH_S5PV210 bool "Use Samsung S3C UART 3 for low-level debug" help @@ -1253,6 +1257,9 @@ config DEBUG_S3C2410_UART config DEBUG_S3C24XX_UART bool +config DEBUG_S3C64XX_UART + bool + config DEBUG_S5PV210_UART bool @@ -1338,7 +1345,7 @@ config DEBUG_LL_INCLUDE default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 - default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART + default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART default "debug/s5pv210.S" if DEBUG_S5PV210_UART default "debug/sirf.S" if DEBUG_SIRFSOC_UART default "debug/sti.S" if DEBUG_STI_UART @@ -1416,6 +1423,10 @@ config DEBUG_UART_PHYS DEBUG_S3C2410_UART2) default 0x78000000 if DEBUG_CNS3XXX default 0x7c0003f8 if FOOTBRIDGE + default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 + default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 + default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 + default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 default 0x80010000 if DEBUG_ASM9260_UART default 0x80070000 if DEBUG_IMX23_UART default 0x80074000 if DEBUG_IMX28_UART @@ -1474,6 +1485,7 @@ config DEBUG_UART_PHYS DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ + DEBUG_S3C64XX_UART || \ DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ DEBUG_AT91_UART @@ -1499,8 +1511,12 @@ config DEBUG_UART_VIRT default 0xf4090000 if ARCH_LPC32XX default 0xf4200000 if ARCH_GEMINI default 0xf7000000 if DEBUG_SUN9I_UART0 + default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ DEBUG_S3C2410_UART0) + default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 + default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 + default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ DEBUG_S3C2410_UART1) default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ @@ -1566,6 +1582,7 @@ config DEBUG_UART_VIRT DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ DEBUG_NETX_UART || \ DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ + DEBUG_S3C64XX_UART || \ DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 diff --git a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S deleted file mode 100644 index c9b95325b672..000000000000 --- a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S +++ /dev/null @@ -1,38 +0,0 @@ -/* arch/arm/mach-s3c6400/include/mach/debug-macro.S - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@...tec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* pull in the relevant register and map files. */ - -#include <linux/serial_s3c.h> -#include <mach/map.h> - - /* note, for the boot process to work we have to keep the UART - * virtual address aligned to an 1MiB boundary for the L1 - * mapping the head code makes. We keep the UART virtual address - * aligned and add in the offset when we load the value here. - */ - - .macro addruart, rp, rv, tmp - ldr \rp, = S3C_PA_UART - ldr \rv, = (S3C_VA_UART + S3C_PA_UART & 0xfffff) -#if CONFIG_DEBUG_S3C_UART != 0 - add \rp, \rp, #(0x400 * CONFIG_DEBUG_S3C_UART) - add \rv, \rv, #(0x400 * CONFIG_DEBUG_S3C_UART) -#endif - .endm - -/* include the reset of the code which will do the work, we're only - * compiling for a single cpu processor type so the default of s3c2440 - * will be fine with us. - */ - -#include <debug/samsung.S> -- 2.1.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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