linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: linux@rempel-privat.de (Oleksij Rempel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/8] add include/debug/asm9260.S
Date: Sun, 21 Sep 2014 20:45:45 +0200	[thread overview]
Message-ID: <1411325151-15107-1-git-send-email-linux@rempel-privat.de> (raw)
In-Reply-To: <1411324904-14881-1-git-send-email-linux@rempel-privat.de>

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
---
 arch/arm/Kconfig.debug           | 33 ++++++++++++++++++++++++++++++---
 arch/arm/include/debug/asm9260.S | 31 +++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/include/debug/asm9260.S

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..6902a57 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -953,6 +953,27 @@ choice
 		  options; the platform specific options are deprecated
 		  and will be soon removed.
 
+	config DEBUG_ASM9260_UART
+		bool "Kernel low-level debugging via asm9260 UART"
+		depends on MACH_ASM9260
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to an UART or USART port on asm9260 based
+		  machines.
+
+		    DEBUG_UART_PHYS | DEBUG_UART_VIRT
+
+		    0x80000000      | 0xf0000000     | UART0
+		    0x80004000      | 0xf0004000     | UART1
+		    0x80008000      | 0xf0008000     | UART2
+		    0x8000c000      | 0xf000c000     | UART3
+		    0x80010000      | 0xf0010000     | UART4
+		    0x80014000      | 0xf0014000     | UART5
+		    0x80018000      | 0xf0018000     | UART6
+		    0x8001c000      | 0xf001c000     | UART7
+		    0x80020000      | 0xf0020000     | UART8
+		    0x80024000      | 0xf0024000     | UART9
+
 endchoice
 
 config DEBUG_EXYNOS_UART
@@ -1038,6 +1059,7 @@ config DEBUG_LL_INCLUDE
 	default "debug/vf.S" if DEBUG_VF_UART
 	default "debug/vt8500.S" if DEBUG_VT8500_UART0
 	default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
+	default "debug/asm9260.S" if DEBUG_ASM9260_UART
 	default "mach/debug-macro.S"
 
 # Compatibility options for PL01x
@@ -1094,6 +1116,7 @@ config DEBUG_UART_PHYS
 	default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
 				DEBUG_S3C2410_UART2)
 	default 0x7c0003f8 if FOOTBRIDGE
+	default 0x80010000 if DEBUG_ASM9260_UART
 	default 0x80070000 if DEBUG_IMX23_UART
 	default 0x80074000 if DEBUG_IMX28_UART
 	default 0x80230000 if DEBUG_PICOXCELL_UART
@@ -1126,7 +1149,8 @@ config DEBUG_UART_PHYS
 	depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
 		DEBUG_LL_UART_EFM32 || \
 		DEBUG_UART_8250 || DEBUG_UART_PL01X || \
-		DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART
+		DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || \
+		DEBUG_S3C24XX_UART || DEBUG_ASM9260_UART
 
 config DEBUG_UART_VIRT
 	hex "Virtual base address of debug UART"
@@ -1134,6 +1158,7 @@ config DEBUG_UART_VIRT
 	default 0xe1000000 if DEBUG_MSM_UART
 	default 0xf0000be0 if ARCH_EBSA110
 	default 0xf0009000 if DEBUG_CNS3XXX
+	default 0xf0010000 if DEBUG_ASM9260_UART
 	default 0xf01fb000 if DEBUG_NOMADIK_UART
 	default 0xf0201000 if DEBUG_BCM2835
 	default 0xf1000300 if DEBUG_BCM_5301X
@@ -1194,7 +1219,8 @@ config DEBUG_UART_VIRT
 	default DEBUG_UART_PHYS if !MMU
 	depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
 		DEBUG_UART_8250 || DEBUG_UART_PL01X || \
-		DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART
+		DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || \
+		DEBUG_S3C24XX_UART || DEBUG_ASM9260_UART
 
 config DEBUG_UART_8250_SHIFT
 	int "Register offset shift for the 8250 debug UART"
@@ -1236,7 +1262,8 @@ config DEBUG_UNCOMPRESS
 config UNCOMPRESS_INCLUDE
 	string
 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
-					PLAT_SAMSUNG || ARCH_EFM32
+					PLAT_SAMSUNG || ARCH_EFM32 || \
+					MACH_ASM9260
 	default "mach/uncompress.h"
 
 config EARLY_PRINTK
diff --git a/arch/arm/include/debug/asm9260.S b/arch/arm/include/debug/asm9260.S
new file mode 100644
index 0000000..c70d51f
--- /dev/null
+++ b/arch/arm/include/debug/asm9260.S
@@ -0,0 +1,31 @@
+/* arch/arm/mach-imx/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *  Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
+ *
+ * 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.
+ *
+ */
+
+		.macro	addruart, rp, rv, tmp
+		ldr	\rp, = CONFIG_DEBUG_UART_PHYS
+		ldr	\rv, = CONFIG_DEBUG_UART_VIRT
+		.endm
+
+		.macro	waituart,rd,rx
+		.endm
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #0x50]	@ TXDATA
+		.endm
+
+		.macro	busyuart,rd,rx
+1002:		ldr	\rd, [\rx, #0x60]	@ STAT
+		tst	\rd, #1 << 27		@ TXEMPTY
+		beq	1002b			@ wait until transmit done
+		.endm
-- 
1.9.1

  parent reply	other threads:[~2014-09-21 18:45 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-21 18:41 [PATCH v2 0/8] initial suport for Alpscale ASM9260 Oleksij Rempel
2014-09-21 18:41 ` [PATCH v2 1/8] ARM: add mach-asm9260 Oleksij Rempel
2014-09-22 15:08   ` Arnd Bergmann
2014-09-23  9:00     ` Oleksij Rempel
2014-09-23 10:19       ` Arnd Bergmann
2014-09-24  8:00         ` Oleksij Rempel
2014-09-24  9:43           ` Russell King - ARM Linux
2014-09-24  9:56             ` Oleksij Rempel
2014-09-24 10:25               ` Russell King - ARM Linux
2014-09-24 10:33                 ` Arnd Bergmann
2014-09-24 11:30                   ` Oleksij Rempel
2014-09-21 18:41 ` [PATCH v2 2/8] add include/debug/asm9260.S Oleksij Rempel
2014-09-21 18:45 ` Oleksij Rempel [this message]
2014-09-21 18:45   ` [PATCH v2 3/8] add alphascale,asm9260.h binding Oleksij Rempel
2014-09-24 10:15     ` Mark Rutland
2014-09-21 18:45   ` [PATCH v2 4/8] ARM: dts: add DT for Alphascale ASM9260 SoC Oleksij Rempel
2014-09-22 15:14     ` Arnd Bergmann
2014-09-24 10:11     ` Mark Rutland
2014-09-21 18:45   ` [PATCH v2 5/8] clk: add clk-asm9260 driver Oleksij Rempel
2014-09-21 18:45   ` [PATCH v2 6/8] clocksource: add asm9260_timer driver Oleksij Rempel
2014-09-21 18:45   ` [PATCH v2 7/8] irqchip: add irq-asm9260 driver Oleksij Rempel
2014-09-22 15:22     ` Arnd Bergmann
2014-09-21 18:45   ` [PATCH v2 8/8] tty/serial: add asm9260-serial driver Oleksij Rempel
2014-09-22 15:26     ` Arnd Bergmann
2014-09-22 16:04       ` Oleksij Rempel
2014-09-24  9:24       ` Oleksij Rempel
2014-09-24 10:20         ` Arnd Bergmann
2014-09-23 11:32 ` [PATCH v2 0/8] initial suport for Alpscale ASM9260 Arnd Bergmann
2014-09-24 10:13 ` Mark Rutland
2014-10-07  8:55 ` [PATCH v3 0/9] initial suport for Alphascale ASM9260 Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 1/9] ARM: add mach-asm9260 Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 2/9] arm: add lolevel debug support for asm9260 Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 3/9] ARM: dts: add DT for Alphascale ASM9260 SoC Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 4/9] ARM: add alphascale,acc.txt bindings documentation Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 5/9] ARM: clk: add clk-asm9260 driver Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 6/9] clocksource: add asm9260_timer driver Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 7/9] irqchip/irq-mxs.c: add asm9260 support Oleksij Rempel
2014-10-08  7:45     ` Thomas Gleixner
2014-10-08 12:11       ` [PATCH v4 1/2] irqchip: mxs: prepare driver for HW with different offsets Oleksij Rempel
2014-10-08 12:11         ` [PATCH v4 2/2] irqchip: mxs: add Alpascale ASM9260 support Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 8/9] tty/serial/mxs-auart.c: add initial Alphascale " Oleksij Rempel
2014-10-07  8:55   ` [PATCH v3 9/9] add Alphascale to vendor-prefixes.txt Oleksij Rempel
2014-10-10  5:38   ` [PATCH v3 0/9] initial suport for Alphascale ASM9260 Oleksij Rempel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1411325151-15107-1-git-send-email-linux@rempel-privat.de \
    --to=linux@rempel-privat.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).