The move is necessary to support early debug output on exynos with multiplatform configurations. This implies also moving the plat/debug-macro.S file, but we are leaving the remaining users of that file in place, to avoid adding large numbers of extra configuration options to Kconfig.debug Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- arch/arm/Kconfig.debug | 8 +++ arch/arm/include/debug/exynos.S | 39 +++++++++++ arch/arm/include/debug/samsung.S | 87 ++++++++++++++++++++++++ arch/arm/mach-exynos/include/mach/debug-macro.S | 39 ----------- arch/arm/mach-s3c24xx/include/mach/debug-macro.S | 2 +- arch/arm/mach-s3c64xx/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5p64x0/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5pc100/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5pv210/include/mach/debug-macro.S | 2 +- arch/arm/plat-samsung/include/plat/debug-macro.S | 87 ------------------------ 10 files changed, 139 insertions(+), 131 deletions(-) create mode 100644 arch/arm/include/debug/exynos.S create mode 100644 arch/arm/include/debug/samsung.S delete mode 100644 arch/arm/mach-exynos/include/mach/debug-macro.S delete mode 100644 arch/arm/plat-samsung/include/plat/debug-macro.S diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index acdddda..3c6851a 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -330,6 +330,7 @@ choice config DEBUG_S3C_UART0 depends on PLAT_SAMSUNG + select DEBUG_EXYNOS_UART if ARCH_EXYNOS bool "Use S3C UART 0 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -341,6 +342,7 @@ choice config DEBUG_S3C_UART1 depends on PLAT_SAMSUNG + select DEBUG_EXYNOS_UART if ARCH_EXYNOS bool "Use S3C UART 1 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -352,6 +354,7 @@ choice config DEBUG_S3C_UART2 depends on PLAT_SAMSUNG + select DEBUG_EXYNOS_UART if ARCH_EXYNOS bool "Use S3C UART 2 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -363,6 +366,7 @@ choice config DEBUG_S3C_UART3 depends on PLAT_SAMSUNG && ARCH_EXYNOS + select DEBUG_EXYNOS_UART bool "Use S3C UART 3 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -485,6 +489,9 @@ choice endchoice +config DEBUG_EXYNOS_UART + bool + config DEBUG_IMX_UART_PORT int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ DEBUG_IMX25_UART || \ @@ -579,6 +586,7 @@ endchoice config DEBUG_LL_INCLUDE string + default "debug/exynos.S" if DEBUG_EXYNOS_UART default "debug/icedcc.S" if DEBUG_ICEDCC default "debug/imx.S" if DEBUG_IMX1_UART || \ DEBUG_IMX25_UART || \ diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S new file mode 100644 index 0000000..b17fdb7 --- /dev/null +++ b/arch/arm/include/debug/exynos.S @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * 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. */ + +#define S3C_ADDR_BASE 0xF6000000 +#define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 +#define EXYNOS4_PA_UART 0x13800000 +#define EXYNOS5_PA_UART 0x12C00000 + + /* 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 + mrc p15, 0, \tmp, c0, c0, 0 + and \tmp, \tmp, #0xf0 + teq \tmp, #0xf0 @@ A15 + ldreq \rp, =EXYNOS5_PA_UART + movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 + ldr \rv, =S3C_VA_UART +#if CONFIG_DEBUG_S3C_UART != 0 + add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) + add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) +#endif + .endm + +#define fifo_full fifo_full_s5pv210 +#define fifo_level fifo_level_s5pv210 + +#include <debug/samsung.S> diff --git a/arch/arm/include/debug/samsung.S b/arch/arm/include/debug/samsung.S new file mode 100644 index 0000000..8d8d922 --- /dev/null +++ b/arch/arm/include/debug/samsung.S @@ -0,0 +1,87 @@ +/* arch/arm/plat-samsung/include/plat/debug-macro.S + * + * Copyright 2005, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@xxxxxxxxxxxx> + * + * 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. +*/ + +#include <linux/serial_s3c.h> + +/* The S5PV210/S5PC110 implementations are as belows. */ + + .macro fifo_level_s5pv210 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + and \rd, \rd, #S5PV210_UFSTAT_TXMASK + .endm + + .macro fifo_full_s5pv210 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + tst \rd, #S5PV210_UFSTAT_TXFULL + .endm + +/* The S3C2440 implementations are used by default as they are the + * most widely re-used */ + + .macro fifo_level_s3c2440 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + and \rd, \rd, #S3C2440_UFSTAT_TXMASK + .endm + +#ifndef fifo_level +#define fifo_level fifo_level_s3c2440 +#endif + + .macro fifo_full_s3c2440 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + tst \rd, #S3C2440_UFSTAT_TXFULL + .endm + +#ifndef fifo_full +#define fifo_full fifo_full_s3c2440 +#endif + + .macro senduart,rd,rx + strb \rd, [\rx, # S3C2410_UTXH] + .endm + + .macro busyuart, rd, rx + ldr \rd, [\rx, # S3C2410_UFCON] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_full \rd, \rx + bne 1003b + b 1002f + +1001: + @ busy waiting for non fifo + ldr \rd, [\rx, # S3C2410_UTRSTAT] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm + + .macro waituart,rd,rx + ldr \rd, [\rx, # S3C2410_UFCON] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_level \rd, \rx + teq \rd, #0 + bne 1003b + b 1002f +1001: + @ idle waiting for non fifo + ldr \rd, [\rx, # S3C2410_UTRSTAT] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S deleted file mode 100644 index e0c86ea..0000000 --- a/arch/arm/mach-exynos/include/mach/debug-macro.S +++ /dev/null @@ -1,39 +0,0 @@ -/* linux/arch/arm/mach-exynos4/include/mach/debug-macro.S - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S - * - * 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 <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 - mrc p15, 0, \tmp, c0, c0, 0 - and \tmp, \tmp, #0xf0 - teq \tmp, #0xf0 @@ A15 - ldreq \rp, =EXYNOS5_PA_UART - movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 - ldr \rv, =S3C_VA_UART -#if CONFIG_DEBUG_S3C_UART != 0 - add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) - add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) -#endif - .endm - -#define fifo_full fifo_full_s5pv210 -#define fifo_level fifo_level_s5pv210 - -#include <plat/debug-macro.S> diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S index 13ed33c..2558952 100644 --- a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S +++ b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S @@ -98,4 +98,4 @@ /* include the reset of the code which will do the work */ -#include <plat/debug-macro.S> +#include <debug/samsung.S> diff --git a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S index c0c076a..dd9ccca 100644 --- a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S +++ b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S @@ -35,4 +35,4 @@ * will be fine with us. */ -#include <plat/debug-macro.S> +#include <debug/samsung.S> diff --git a/arch/arm/mach-s5p64x0/include/mach/debug-macro.S b/arch/arm/mach-s5p64x0/include/mach/debug-macro.S index e80ba3c..5e2916f 100644 --- a/arch/arm/mach-s5p64x0/include/mach/debug-macro.S +++ b/arch/arm/mach-s5p64x0/include/mach/debug-macro.S @@ -30,4 +30,4 @@ #endif .endm -#include <plat/debug-macro.S> +#include <debug/samsung.S> diff --git a/arch/arm/mach-s5pc100/include/mach/debug-macro.S b/arch/arm/mach-s5pc100/include/mach/debug-macro.S index 694f759..66cb7f1 100644 --- a/arch/arm/mach-s5pc100/include/mach/debug-macro.S +++ b/arch/arm/mach-s5pc100/include/mach/debug-macro.S @@ -36,4 +36,4 @@ * will be fine with us. */ -#include <plat/debug-macro.S> +#include <debug/samsung.S> diff --git a/arch/arm/mach-s5pv210/include/mach/debug-macro.S b/arch/arm/mach-s5pv210/include/mach/debug-macro.S index 79e5559..80c2199 100644 --- a/arch/arm/mach-s5pv210/include/mach/debug-macro.S +++ b/arch/arm/mach-s5pv210/include/mach/debug-macro.S @@ -38,4 +38,4 @@ * will be fine with us. */ -#include <plat/debug-macro.S> +#include <debug/samsung.S> diff --git a/arch/arm/plat-samsung/include/plat/debug-macro.S b/arch/arm/plat-samsung/include/plat/debug-macro.S deleted file mode 100644 index f3a9cff..0000000 --- a/arch/arm/plat-samsung/include/plat/debug-macro.S +++ /dev/null @@ -1,87 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/debug-macro.S - * - * Copyright 2005, 2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@xxxxxxxxxxxx> - * - * 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. -*/ - -#include <plat/regs-serial.h> - -/* The S5PV210/S5PC110 implementations are as belows. */ - - .macro fifo_level_s5pv210 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - and \rd, \rd, #S5PV210_UFSTAT_TXMASK - .endm - - .macro fifo_full_s5pv210 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - tst \rd, #S5PV210_UFSTAT_TXFULL - .endm - -/* The S3C2440 implementations are used by default as they are the - * most widely re-used */ - - .macro fifo_level_s3c2440 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - and \rd, \rd, #S3C2440_UFSTAT_TXMASK - .endm - -#ifndef fifo_level -#define fifo_level fifo_level_s3c2440 -#endif - - .macro fifo_full_s3c2440 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - tst \rd, #S3C2440_UFSTAT_TXFULL - .endm - -#ifndef fifo_full -#define fifo_full fifo_full_s3c2440 -#endif - - .macro senduart,rd,rx - strb \rd, [\rx, # S3C2410_UTXH] - .endm - - .macro busyuart, rd, rx - ldr \rd, [\rx, # S3C2410_UFCON] - tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? - beq 1001f @ - @ FIFO enabled... -1003: - fifo_full \rd, \rx - bne 1003b - b 1002f - -1001: - @ busy waiting for non fifo - ldr \rd, [\rx, # S3C2410_UTRSTAT] - tst \rd, #S3C2410_UTRSTAT_TXFE - beq 1001b - -1002: @ exit busyuart - .endm - - .macro waituart,rd,rx - ldr \rd, [\rx, # S3C2410_UFCON] - tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? - beq 1001f @ - @ FIFO enabled... -1003: - fifo_level \rd, \rx - teq \rd, #0 - bne 1003b - b 1002f -1001: - @ idle waiting for non fifo - ldr \rd, [\rx, # S3C2410_UTRSTAT] - tst \rd, #S3C2410_UTRSTAT_TXFE - beq 1001b - -1002: @ exit busyuart - .endm -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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