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authorOlof Johansson <olof@lixom.net>2014-05-31 08:44:32 +0400
committerOlof Johansson <olof@lixom.net>2014-05-31 08:44:49 +0400
commitfe388fac0f18010688032393d042807261791eaf (patch)
treea8893162201072ead0fb353063216b918335fa60 /arch/arm/include/debug
parent8792f59213c3fc39a7f407f27975cce38fbb1b6d (diff)
parent9dfa92ec4033c348aae6bafc1881e07229fabaa6 (diff)
downloadlinux-fe388fac0f18010688032393d042807261791eaf.tar.xz
Merge tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung Exynos updates for 3.16 - add new SoCs support : exynos3250, 5260, 5410 and 5800 - enable multi-platform on exynos : consolidate exynos related Kconfig entries * tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits) ARM: EXYNOS: Enable multi-platform build support ARM: EXYNOS: Consolidate Kconfig entries ARM: EXYNOS: Add support for EXYNOS5410 SoC ARM: EXYNOS: Support secondary CPU boot of Exynos3250 ARM: EXYNOS: Add Exynos3250 SoC ID ARM: EXYNOS: Add 5800 SoC support ARM: EXYNOS: initial board support for exynos5260 SoC cpufreq: exynos: Fix the compile error ARM: S3C24XX: move debug-macro.S into the common space ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro ARM: S3C24XX: trim down debug uart handling ARM: compressed/head.S: remove s3c24xx special case ARM: EXYNOS: Remove unnecessary inclusion of cpu.h ARM: EXYNOS: Migrate Exynos specific macros from plat to mach ARM: EXYNOS: Remove exynos_subsys registration ARM: EXYNOS: Remove duplicate lines in Makefile ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling ARM: dts: Remove g2d_pd node for exynos5420 ARM: dts: Remove mau_pd node for exynos5420 ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount ... Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/include/debug')
-rw-r--r--arch/arm/include/debug/s3c24xx.S46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S
new file mode 100644
index 000000000000..b1f54dc4888c
--- /dev/null
+++ b/arch/arm/include/debug/s3c24xx.S
@@ -0,0 +1,46 @@
+/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Copyright (C) 2005 Simtec Electronics
+ *
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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>
+
+#define S3C2410_UART1_OFF (0x4000)
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, = CONFIG_DEBUG_UART_PHYS
+ ldr \rv, = CONFIG_DEBUG_UART_VIRT
+ .endm
+
+ .macro fifo_full_s3c2410 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S3C2410_UFSTAT_TXFULL
+ .endm
+
+ .macro fifo_level_s3c2410 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S3C2410_UFSTAT_TXMASK
+ .endm
+
+/* Select the correct implementation depending on the configuration. The
+ * S3C2440 will get selected by default, as these are the most widely
+ * used variants of these
+*/
+
+#if defined(CONFIG_DEBUG_S3C2410_UART)
+#define fifo_full fifo_full_s3c2410
+#define fifo_level fifo_level_s3c2410
+#endif
+
+/* include the reset of the code which will do the work */
+
+#include <debug/samsung.S>