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 20:41:38 +0200 [thread overview]
Message-ID: <1411324904-14881-3-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
next prev parent reply other threads:[~2014-09-21 18:41 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 ` Oleksij Rempel [this message]
2014-09-21 18:45 ` [PATCH v2 2/8] add include/debug/asm9260.S Oleksij Rempel
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
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