[PATCH 00/13] MIPS: add initial Loongson-based boards support

[PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

This patch series adds very initial Loongson CPU family support.
The only supported board is Loongson-1B-based LS1B development board.

The Loongson-1B SoC has good support in the mainline linux kernel,
so many things can be ported from linux in the future. 

[PATCH 01/13] MIPS: add initial Loongson-based boards support
[PATCH 02/13] MIPS: add initial Loongson-family documentation
[PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff
[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff
[PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe
[PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board
[PATCH 07/13] MIPS: mach-loongson: add DEBUG_LL support
[PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support
[PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console
[PATCH 10/13] MIPS: loongson-ls1b: add PBL support
[PATCH 11/13] MIPS: loongson-ls1b: add NMON support
[PATCH 12/13] MIPS: loongson-ls1b: add documentation
[PATCH 13/13] MIPS: add loongson-ls1b_defconfig

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[PATCH 01/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

Loongson (simplified Chinese: 龙芯; pinyin: Lóngxīn; literally: "Dragon Core")
is a family of general-purpose MIPS CPUs developed at the Institute of Computing
Technology (ICT), Chinese Academy of Sciences (CAS) in the People's Republic of China.

See http://en.wikipedia.org/wiki/Loongson for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/Kconfig               | 4 ++++
 arch/mips/Makefile              | 2 ++
 arch/mips/mach-loongson/Kconfig | 7 +++++++
 3 files changed, 13 insertions(+)
 create mode 100644 arch/mips/mach-loongson/Kconfig

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ca240d2..8cea076 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -63,6 +63,9 @@ config MACH_MIPS_BCM47XX
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select HAS_DEBUG_LL
 
+config MACH_MIPS_LOONGSON
+	bool "Loongson-based boards"
+
 config MACH_MIPS_XBURST
 	bool "Ingenic XBurst-based boards"
 	select SYS_HAS_CPU_MIPS32_R1
@@ -78,6 +81,7 @@ endchoice
 source arch/mips/mach-malta/Kconfig
 source arch/mips/mach-ar231x/Kconfig
 source arch/mips/mach-bcm47xx/Kconfig
+source arch/mips/mach-loongson/Kconfig
 source arch/mips/mach-xburst/Kconfig
 
 endmenu
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 62e1acf..7a6d6c0 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -78,6 +78,8 @@ board-$(CONFIG_BOARD_NETGEAR_WG102)	:= netgear-wg102
 machine-$(CONFIG_MACH_MIPS_BCM47XX)	:= bcm47xx
 board-$(CONFIG_BOARD_DLINK_DIR320)	:= dlink-dir-320
 
+machine-$(CONFIG_MACH_MIPS_LOONGSON)	:= loongson
+
 machine-$(CONFIG_MACH_MIPS_XBURST)	:= xburst
 board-$(CONFIG_BOARD_RZX50)	:= rzx50
 
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
new file mode 100644
index 0000000..b594288
--- /dev/null
+++ b/arch/mips/mach-loongson/Kconfig
@@ -0,0 +1,7 @@
+if MACH_MIPS_LOONGSON
+
+config ARCH_TEXT_BASE
+	hex
+	default 0xa0800000
+
+endif
-- 
1.8.5.3


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[PATCH 02/13] MIPS: add initial Loongson-family documentation

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/mach-loongson/mach-loongson.dox | 5 +++++
 arch/mips/mach-mips.dox                   | 4 ++++
 2 files changed, 9 insertions(+)
 create mode 100644 arch/mips/mach-loongson/mach-loongson.dox

diff --git a/arch/mips/mach-loongson/mach-loongson.dox b/arch/mips/mach-loongson/mach-loongson.dox
new file mode 100644
index 0000000..628ae78
--- /dev/null
+++ b/arch/mips/mach-loongson/mach-loongson.dox
@@ -0,0 +1,5 @@
+/** @page dev_loongson_mach Loongson in barebox
+
+@section loongson_boards Loongson-based boards
+
+*/
diff --git a/arch/mips/mach-mips.dox b/arch/mips/mach-mips.dox
index 750a451..1002b16 100644
--- a/arch/mips/mach-mips.dox
+++ b/arch/mips/mach-mips.dox
@@ -59,6 +59,10 @@ ISBN-13: 978-0120884216
 
 @li @subpage dev_bcm47xx_mach
 
+@subsection mach_loongson_info Loongson-based boards
+
+@li @subpage dev_loongson_mach
+
 @subsection mach_xburst_info XBurst-based boards
 
 @li @subpage dev_xburst_mach
-- 
1.8.5.3


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[PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/Kconfig  | 17 +++++++++++++++++
 arch/mips/Makefile |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8cea076..b819b49 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -118,6 +118,14 @@ choice
 	prompt "CPU type"
 	default CPU_MIPS32_R2
 
+config CPU_LOONGSON1B
+	bool "Loongson 1B"
+	depends on SYS_HAS_CPU_LOONGSON1B
+	select CPU_LOONGSON1
+	help
+	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
+	  release 2 instruction set.
+
 config CPU_MIPS32_R1
 	bool "MIPS32 Release 1"
 	depends on SYS_HAS_CPU_MIPS32_R1
@@ -174,6 +182,15 @@ config CPU_MIPS64_R2
 
 endchoice
 
+config CPU_LOONGSON1
+	bool
+	select CPU_MIPS32
+	select CPU_MIPSR2
+	select CPU_SUPPORTS_32BIT_KERNEL
+
+config SYS_HAS_CPU_LOONGSON1B
+	bool
+
 config SYS_HAS_CPU_MIPS32_R1
 	bool
 
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7a6d6c0..b4c0e7a 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -49,6 +49,9 @@ cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS
 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) -Wa,-mips32r2 -Wa,--trap
 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) -Wa,-mips64 -Wa,--trap
 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) -Wa,-mips64r2 -Wa,--trap
+cflags-$(CONFIG_CPU_LOONGSON1)	+= \
+	$(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
+	-Wa,-mips32r2 -Wa,--trap
 
 CPPFLAGS += -DTEXT_BASE=$(CONFIG_TEXT_BASE)
 
-- 
1.8.5.3


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[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff

[Antony Pavlov]

This code is based on linux-3.6 code.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/mach-loongson/Makefile                 |  1 +
 arch/mips/mach-loongson/include/mach/loongson1.h | 32 ++++++++++++++++++++++++
 arch/mips/mach-loongson/loongson1_reset.c        | 27 ++++++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 arch/mips/mach-loongson/Makefile
 create mode 100644 arch/mips/mach-loongson/include/mach/loongson1.h
 create mode 100644 arch/mips/mach-loongson/loongson1_reset.c

diff --git a/arch/mips/mach-loongson/Makefile b/arch/mips/mach-loongson/Makefile
new file mode 100644
index 0000000..52b36f3
--- /dev/null
+++ b/arch/mips/mach-loongson/Makefile
@@ -0,0 +1 @@
+obj-y += loongson1_reset.o
diff --git a/arch/mips/mach-loongson/include/mach/loongson1.h b/arch/mips/mach-loongson/include/mach/loongson1.h
new file mode 100644
index 0000000..98bddfb
--- /dev/null
+++ b/arch/mips/mach-loongson/include/mach/loongson1.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Register mappings for Loongson 1
+ *
+ * This program is free software; you can redistribute	it and/or modify it
+ * under  the terms of	the GNU General	 Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_MACH_LOONGSON1_LOONGSON1_H
+#define __ASM_MACH_LOONGSON1_LOONGSON1_H
+
+#include <asm/addrspace.h>
+
+/* Loongson 1 Register Bases */
+#define LS1X_UART0_BASE			0x1fe40000
+#define LS1X_UART1_BASE			0x1fe44000
+#define LS1X_UART2_BASE			0x1fe48000
+#define LS1X_UART3_BASE			0x1fe4c000
+#define LS1X_WDT_BASE			0x1fe5c060
+
+/* Loongson 1 watchdog register definitions */
+#define LS1X_WDT_REG(x) \
+		((void __iomem *)KSEG1ADDR(LS1X_WDT_BASE + (x)))
+
+#define LS1X_WDT_EN			LS1X_WDT_REG(0x0)
+#define LS1X_WDT_SET			LS1X_WDT_REG(0x4)
+#define LS1X_WDT_TIMER			LS1X_WDT_REG(0x8)
+
+#endif /* __ASM_MACH_LOONGSON1_LOONGSON1_H */
diff --git a/arch/mips/mach-loongson/loongson1_reset.c b/arch/mips/mach-loongson/loongson1_reset.c
new file mode 100644
index 0000000..21f09b5
--- /dev/null
+++ b/arch/mips/mach-loongson/loongson1_reset.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <io.h>
+#include <mach/loongson1.h>
+
+void __noreturn reset_cpu(ulong addr)
+{
+	__raw_writel(0x1, LS1X_WDT_EN);
+	__raw_writel(0x1, LS1X_WDT_SET);
+	__raw_writel(0x1, LS1X_WDT_TIMER);
+
+	unreachable();
+}
+EXPORT_SYMBOL(reset_cpu);
-- 
1.8.5.3


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[PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe

[Antony Pavlov]

This commit is based on this linux commit:

    commit 2fa36399e63c911134f28b6878aada9b395c4209
    Author: Kelvin Cheung <keguang.zhang@gmail.com>
    Date:   Wed Jun 20 20:05:32 2012 +0100

        MIPS: Add CPU support for Loongson1B

        Loongson 1B is a 32-bit SoC designed by Institute of Computing Technology
        (ICT) and the Chinese Academy of Sciences (CAS), which implements the
        MIPS32 release 2 instruction set.

        [ralf@linux-mips.org: But which is not strictly a MIPS32 compliant device
        which also is why it identifies itself with the Legacy Vendor ID in the
        PrID register.  When applying the patch I shoveled some code around to
        keep things in alphabetical order and avoid forward declarations.]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/include/asm/cpu.h | 27 +++++++++++++++++++++++++++
 arch/mips/lib/cpu-probe.c   | 21 +++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index e63f847..dcc2a27 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -28,6 +28,20 @@
 #define PRID_COMP_BROADCOM	0x020000
 #define PRID_COMP_INGENIC	0xd00000
 
+/*
+ * Assigned Processor ID (implementation) values for bits 15:8 of the PRId
+ * register.  In order to detect a certain CPU type exactly eventually
+ * additional registers may need to be examined.
+ */
+
+#define PRID_IMP_MASK		0xff00
+
+/*
+ * These are valid when 23:16 == PRID_COMP_LEGACY
+ */
+
+#define PRID_IMP_LOONGSON1	0x4200
+
 #define PRID_IMP_UNKNOWN	0xff00
 
 /*
@@ -50,6 +64,18 @@
 #define PRID_IMP_JZRISC		0x0200
 
 /*
+ * Particular Revision values for bits 7:0 of the PRId register.
+ */
+
+#define PRID_REV_MASK		0x00ff
+
+/*
+ * Definitions for 7:0 on legacy processors
+ */
+
+#define PRID_REV_LOONGSON1B	0x0020
+
+/*
  * Older processors used to encode processor version and revision in two
  * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
  * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
@@ -80,6 +106,7 @@ enum cpu_type_enum {
 	CPU_24K,
 	CPU_BMIPS3300,
 	CPU_JZRISC,
+	CPU_LOONGSON1,
 
 	CPU_LAST
 };
diff --git a/arch/mips/lib/cpu-probe.c b/arch/mips/lib/cpu-probe.c
index de45421..8235a54 100644
--- a/arch/mips/lib/cpu-probe.c
+++ b/arch/mips/lib/cpu-probe.c
@@ -81,6 +81,24 @@ static void decode_configs(struct cpuinfo_mips *c)
 	BUG_ON(!ok);				/* Arch spec violation!  */
 }
 
+static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
+{
+	switch (c->processor_id & PRID_IMP_MASK) {
+	case PRID_IMP_LOONGSON1:
+		decode_configs(c);
+
+		c->cputype = CPU_LOONGSON1;
+
+		switch (c->processor_id & PRID_REV_MASK) {
+		case PRID_REV_LOONGSON1B:
+			__cpu_name = "Loongson 1B";
+			break;
+		}
+
+		break;
+	}
+}
+
 static inline void cpu_probe_mips(struct cpuinfo_mips *c)
 {
 	decode_configs(c);
@@ -130,6 +148,9 @@ void cpu_probe(void)
 
 	c->processor_id = read_c0_prid();
 	switch (c->processor_id & 0xff0000) {
+	case PRID_COMP_LEGACY:
+		cpu_probe_legacy(c);
+		break;
 	case PRID_COMP_MIPS:
 		cpu_probe_mips(c);
 		break;
-- 
1.8.5.3


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[PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/Makefile                      |  1 +
 arch/mips/boards/loongson-ls1b/Makefile |  1 +
 arch/mips/boards/loongson-ls1b/ram.c    | 12 ++++++++++++
 arch/mips/mach-loongson/Kconfig         | 12 ++++++++++++
 4 files changed, 26 insertions(+)
 create mode 100644 arch/mips/boards/loongson-ls1b/Makefile
 create mode 100644 arch/mips/boards/loongson-ls1b/ram.c

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index b4c0e7a..8986fcf 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -82,6 +82,7 @@ machine-$(CONFIG_MACH_MIPS_BCM47XX)	:= bcm47xx
 board-$(CONFIG_BOARD_DLINK_DIR320)	:= dlink-dir-320
 
 machine-$(CONFIG_MACH_MIPS_LOONGSON)	:= loongson
+board-$(CONFIG_BOARD_LOONGSON_TECH_LS1B)	:= loongson-ls1b
 
 machine-$(CONFIG_MACH_MIPS_XBURST)	:= xburst
 board-$(CONFIG_BOARD_RZX50)	:= rzx50
diff --git a/arch/mips/boards/loongson-ls1b/Makefile b/arch/mips/boards/loongson-ls1b/Makefile
new file mode 100644
index 0000000..0899b66
--- /dev/null
+++ b/arch/mips/boards/loongson-ls1b/Makefile
@@ -0,0 +1 @@
+obj-y += ram.o
diff --git a/arch/mips/boards/loongson-ls1b/ram.c b/arch/mips/boards/loongson-ls1b/ram.c
new file mode 100644
index 0000000..9e655ab
--- /dev/null
+++ b/arch/mips/boards/loongson-ls1b/ram.c
@@ -0,0 +1,12 @@
+#include <common.h>
+#include <init.h>
+#include <sizes.h>
+#include <asm/memory.h>
+
+static int mem_init(void)
+{
+	mips_add_ram0(SZ_64M);
+
+	return 0;
+}
+mem_initcall(mem_init);
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index b594288..9db9607 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -4,4 +4,16 @@ config ARCH_TEXT_BASE
 	hex
 	default 0xa0800000
 
+choice
+	prompt "Board type"
+
+config BOARD_LOONGSON_TECH_LS1B
+	bool "Loongson Tech. LS1B demo board"
+	select SYS_HAS_CPU_LOONGSON1B
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select CSRC_R4K_LIB
+
+endchoice
+
 endif
-- 
1.8.5.3


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[PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 .../boards/loongson-ls1b/include/board/debug_ll.h  | 34 ++++++++++++++++++++++
 arch/mips/mach-loongson/Kconfig                    |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 arch/mips/boards/loongson-ls1b/include/board/debug_ll.h

diff --git a/arch/mips/boards/loongson-ls1b/include/board/debug_ll.h b/arch/mips/boards/loongson-ls1b/include/board/debug_ll.h
new file mode 100644
index 0000000..e60ce4c
--- /dev/null
+++ b/arch/mips/boards/loongson-ls1b/include/board/debug_ll.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/** @file
+ *  This File contains declaration for early output support
+ */
+#ifndef __LOONGSON_TECH_LS1B_DEBUG_LL_H__
+#define __LOONGSON_TECH_LS1B_DEBUG_LL_H__
+
+#include <asm/addrspace.h>
+#include <mach/loongson1.h>
+
+#define DEBUG_LL_UART_ADDR	KSEG1ADDR(LS1X_UART2_BASE)
+#define DEBUG_LL_UART_SHIFT	0
+
+#define DEBUG_LL_UART_CLK   (83000000 / 16)
+#define DEBUG_LL_UART_BPS   CONFIG_BAUDRATE
+#define DEBUG_LL_UART_DIVISOR   (DEBUG_LL_UART_CLK / DEBUG_LL_UART_BPS)
+
+#endif /* __LOONGSON_TECH_LS1B_DEBUG_LL_H__ */
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index 9db9607..c2cb774 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -13,6 +13,7 @@ config BOARD_LOONGSON_TECH_LS1B
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select CSRC_R4K_LIB
+	select HAS_DEBUG_LL
 
 endchoice
 
-- 
1.8.5.3


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[PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/boards/loongson-ls1b/Makefile |  1 +
 arch/mips/boards/loongson-ls1b/serial.c | 22 ++++++++++++++++++++++
 arch/mips/mach-loongson/Kconfig         |  1 +
 3 files changed, 24 insertions(+)
 create mode 100644 arch/mips/boards/loongson-ls1b/serial.c

diff --git a/arch/mips/boards/loongson-ls1b/Makefile b/arch/mips/boards/loongson-ls1b/Makefile
index 0899b66..a21952b 100644
--- a/arch/mips/boards/loongson-ls1b/Makefile
+++ b/arch/mips/boards/loongson-ls1b/Makefile
@@ -1 +1,2 @@
 obj-y += ram.o
+obj-y += serial.o
diff --git a/arch/mips/boards/loongson-ls1b/serial.c b/arch/mips/boards/loongson-ls1b/serial.c
new file mode 100644
index 0000000..d8e0f7c
--- /dev/null
+++ b/arch/mips/boards/loongson-ls1b/serial.c
@@ -0,0 +1,22 @@
+#include <common.h>
+#include <init.h>
+#include <ns16550.h>
+
+#include <mach/loongson1.h>
+
+static struct NS16550_plat serial_plat = {
+	.clock = 83000000,
+	.shift = 0,
+};
+
+static int console_init(void)
+{
+	barebox_set_model("Loongson Tech LS1B Demo Board");
+	barebox_set_hostname("ls1b");
+
+	add_ns16550_device(DEVICE_ID_DYNAMIC, KSEG1ADDR(LS1X_UART2_BASE),
+		8, IORESOURCE_MEM_8BIT, &serial_plat);
+
+	return 0;
+}
+console_initcall(console_init);
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index c2cb774..263b67e 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -14,6 +14,7 @@ config BOARD_LOONGSON_TECH_LS1B
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select CSRC_R4K_LIB
 	select HAS_DEBUG_LL
+	select DRIVER_SERIAL_NS16550
 
 endchoice
 
-- 
1.8.5.3


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[PATCH 10/13] MIPS: loongson-ls1b: add PBL support

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 .../loongson-ls1b/include/board/board_pbl_start.h  | 38 ++++++++++++++++++++++
 arch/mips/mach-loongson/Kconfig                    |  2 ++
 2 files changed, 40 insertions(+)
 create mode 100644 arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h

diff --git a/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h b/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h
new file mode 100644
index 0000000..aa30e8d
--- /dev/null
+++ b/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <asm/pbl_macros.h>
+#include <mach/loongson1.h>
+#include <mach/debug_ll.h>
+
+	.macro	board_pbl_start
+	.set	push
+	.set	noreorder
+
+	mips_barebox_10h
+
+	mips_disable_interrupts
+
+	debug_ll_ns16550_init
+
+	debug_ll_ns16550_outc '.'
+	debug_ll_ns16550_outnl
+
+	copy_to_link_location	pbl_start
+
+	.set	pop
+	.endm
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index 263b67e..fe48ed6 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -15,6 +15,8 @@ config BOARD_LOONGSON_TECH_LS1B
 	select CSRC_R4K_LIB
 	select HAS_DEBUG_LL
 	select DRIVER_SERIAL_NS16550
+	select HAVE_PBL_IMAGE
+	select HAVE_IMAGE_COMPRESSION
 
 endchoice
 
-- 
1.8.5.3


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[PATCH 11/13] MIPS: loongson-ls1b: add NMON support

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h | 3 +++
 arch/mips/mach-loongson/Kconfig                                | 1 +
 2 files changed, 4 insertions(+)

diff --git a/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h b/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h
index aa30e8d..1a92794 100644
--- a/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h
+++ b/arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h
@@ -18,6 +18,7 @@
 #include <asm/pbl_macros.h>
 #include <mach/loongson1.h>
 #include <mach/debug_ll.h>
+#include <asm/pbl_nmon.h>
 
 	.macro	board_pbl_start
 	.set	push
@@ -32,6 +33,8 @@
 	debug_ll_ns16550_outc '.'
 	debug_ll_ns16550_outnl
 
+	mips_nmon
+
 	copy_to_link_location	pbl_start
 
 	.set	pop
diff --git a/arch/mips/mach-loongson/Kconfig b/arch/mips/mach-loongson/Kconfig
index fe48ed6..c9f1902 100644
--- a/arch/mips/mach-loongson/Kconfig
+++ b/arch/mips/mach-loongson/Kconfig
@@ -17,6 +17,7 @@ config BOARD_LOONGSON_TECH_LS1B
 	select DRIVER_SERIAL_NS16550
 	select HAVE_PBL_IMAGE
 	select HAVE_IMAGE_COMPRESSION
+	select HAS_NMON
 
 endchoice
 
-- 
1.8.5.3


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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

Hi Antony,

On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> This patch series adds very initial Loongson CPU family support.
> The only supported board is Loongson-1B-based LS1B development board.
> 
> The Loongson-1B SoC has good support in the mainline linux kernel,
> so many things can be ported from linux in the future. 
> 
> [PATCH 01/13] MIPS: add initial Loongson-based boards support
> [PATCH 02/13] MIPS: add initial Loongson-family documentation
> [PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff
> [PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff
> [PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe
> [PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board
> [PATCH 07/13] MIPS: mach-loongson: add DEBUG_LL support
> [PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support
> [PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console
> [PATCH 10/13] MIPS: loongson-ls1b: add PBL support
> [PATCH 11/13] MIPS: loongson-ls1b: add NMON support
> [PATCH 12/13] MIPS: loongson-ls1b: add documentation
> [PATCH 13/13] MIPS: add loongson-ls1b_defconfig

All applied, thanks

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> This patch series adds very initial Loongson CPU family support.
> The only supported board is Loongson-1B-based LS1B development board.
> 
> The Loongson-1B SoC has good support in the mainline linux kernel,
> so many things can be ported from linux in the future. 
> 
> [PATCH 01/13] MIPS: add initial Loongson-based boards support
> [PATCH 02/13] MIPS: add initial Loongson-family documentation
> [PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff
> [PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff
> [PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe
> [PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board
> [PATCH 07/13] MIPS: mach-loongson: add DEBUG_LL support
> [PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support
> [PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console
> [PATCH 10/13] MIPS: loongson-ls1b: add PBL support
> [PATCH 11/13] MIPS: loongson-ls1b: add NMON support
> [PATCH 12/13] MIPS: loongson-ls1b: add documentation
> [PATCH 13/13] MIPS: add loongson-ls1b_defconfig

Compilation of the loongson-ls1b_defconfig fails with:

In file included from arch/mips/mach-loongson/include/mach/debug_ll.h:24,
                 from include/debug_ll.h:31,
                 from common/console.c:36:
arch/mips/boards/loongson-ls1b//include/board/debug_ll.h:25:28: error: mach/loongson1.h: No such file or directory
In file included from arch/mips/mach-loongson/include/mach/debug_ll.h:25,
                 from include/debug_ll.h:31,
                 from common/console.c:36:
/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h: In function 'PUTC_LL':
/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: (Each undeclared identifier is reported only once
/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: for each function it appears in.)
make[1]: *** [common/console.o] Error 1
make[1]: *** Waiting for unfinished jobs....
scripts/Makefile.build:41: /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/mach-loongson/Makefile: No such file or directory
make[1]: *** No rule to make target `/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/mach-loongson/Makefile'.  Stop.
make: *** [arch/mips/mach-loongson] Error 2
make: *** Waiting for unfinished jobs....
arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)

arch/mips/mach-loongson/include/mach/loongson1.h and
arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Wed, 22 Jan 2014 12:15:58 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > This patch series adds very initial Loongson CPU family support.
> > The only supported board is Loongson-1B-based LS1B development board.
> > 
> > The Loongson-1B SoC has good support in the mainline linux kernel,
> > so many things can be ported from linux in the future. 
> > 
> > [PATCH 01/13] MIPS: add initial Loongson-based boards support
> > [PATCH 02/13] MIPS: add initial Loongson-family documentation
> > [PATCH 03/13] MIPS: add Loongson-1B CPU Kbuild stuff
> > [PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff
> > [PATCH 05/13] MIPS: add Loongson-1B processor constants and CPU probe
> > [PATCH 06/13] MIPS: mach-loongson: add loongson-ls1b board
> > [PATCH 07/13] MIPS: mach-loongson: add DEBUG_LL support
> > [PATCH 08/13] MIPS: loongson-ls1b: add DEBUG_LL support
> > [PATCH 09/13] MIPS: loongson-ls1b: add ns16550-based console
> > [PATCH 10/13] MIPS: loongson-ls1b: add PBL support
> > [PATCH 11/13] MIPS: loongson-ls1b: add NMON support
> > [PATCH 12/13] MIPS: loongson-ls1b: add documentation
> > [PATCH 13/13] MIPS: add loongson-ls1b_defconfig
> 
> Compilation of the loongson-ls1b_defconfig fails with:
> 
> In file included from arch/mips/mach-loongson/include/mach/debug_ll.h:24,
>                  from include/debug_ll.h:31,
>                  from common/console.c:36:
> arch/mips/boards/loongson-ls1b//include/board/debug_ll.h:25:28: error: mach/loongson1.h: No such file or directory
> In file included from arch/mips/mach-loongson/include/mach/debug_ll.h:25,
>                  from include/debug_ll.h:31,
>                  from common/console.c:36:
> /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h: In function 'PUTC_LL':
> /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: (Each undeclared identifier is reported only once
> /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/include/asm/debug_ll_ns16550.h:62: error: for each function it appears in.)
> make[1]: *** [common/console.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> scripts/Makefile.build:41: /ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/mach-loongson/Makefile: No such file or directory
> make[1]: *** No rule to make target `/ptx/work/dude/WORK_A/sha/barebox/barebox-test/arch/mips/mach-loongson/Makefile'.  Stop.
> make: *** [arch/mips/mach-loongson] Error 2
> make: *** Waiting for unfinished jobs....
> arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> 
> arch/mips/mach-loongson/include/mach/loongson1.h and
> arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?

The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".

The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html

> Sascha
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |


-- 
-- 
Best regards,
  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> On Wed, 22 Jan 2014 12:15:58 +0100
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
> 
> > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > make: *** Waiting for unfinished jobs....
> > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > 
> > arch/mips/mach-loongson/include/mach/loongson1.h and
> > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> 
> The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> 
> The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html

Indeed. For some reason I didn't receive that mail. I picked it from the
ml archive now.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Thu, 23 Jan 2014 08:02:19 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> > On Wed, 22 Jan 2014 12:15:58 +0100
> > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > 
> > > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > > make: *** Waiting for unfinished jobs....
> > > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > > 
> > > arch/mips/mach-loongson/include/mach/loongson1.h and
> > > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> > 
> > The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> > 
> > The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html
> 
> Indeed. For some reason I didn't receive that mail. I picked it from the
> ml archive now.
> 

May be some other mails affected. Please check this trivial patch too:
  http://lists.infradead.org/pipermail/barebox/2013-December/017226.html

-- 
Best regards,
  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

On Thu, Jan 23, 2014 at 11:59:11AM +0400, Antony Pavlov wrote:
> On Thu, 23 Jan 2014 08:02:19 +0100
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
> 
> > On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> > > On Wed, 22 Jan 2014 12:15:58 +0100
> > > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > > 
> > > > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > > > make: *** Waiting for unfinished jobs....
> > > > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > > > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > > > 
> > > > arch/mips/mach-loongson/include/mach/loongson1.h and
> > > > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> > > 
> > > The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> > > 
> > > The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html
> > 
> > Indeed. For some reason I didn't receive that mail. I picked it from the
> > ml archive now.
> > 
> 
> May be some other mails affected. Please check this trivial patch too:
>   http://lists.infradead.org/pipermail/barebox/2013-December/017226.html

That one was not missing in my inbox, it was my own failure of not
applying it. Did that now.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Thu, 23 Jan 2014 08:02:19 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> > On Wed, 22 Jan 2014 12:15:58 +0100
> > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > 
> > > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > > make: *** Waiting for unfinished jobs....
> > > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > > 
> > > arch/mips/mach-loongson/include/mach/loongson1.h and
> > > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> > 
> > The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> > 
> > The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html
> 
> Indeed. For some reason I didn't receive that mail. I picked it from the
> ml archive now.

I have just fetched next branch from barebox.org.

Now the "MIPS: add initial Loongson-1X SoC stuff" patch is just after all loongson-related
patches save "add loongson-ls1b_defconfig".

Could you please put it before the "add loongson-ls1b board" patch?

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  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

On Thu, Jan 23, 2014 at 02:33:01PM +0400, Antony Pavlov wrote:
> On Thu, 23 Jan 2014 08:02:19 +0100
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
> 
> > On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> > > On Wed, 22 Jan 2014 12:15:58 +0100
> > > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > > 
> > > > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > > > make: *** Waiting for unfinished jobs....
> > > > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > > > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > > > 
> > > > arch/mips/mach-loongson/include/mach/loongson1.h and
> > > > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> > > 
> > > The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> > > 
> > > The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html
> > 
> > Indeed. For some reason I didn't receive that mail. I picked it from the
> > ml archive now.
> 
> I have just fetched next branch from barebox.org.
> 
> Now the "MIPS: add initial Loongson-1X SoC stuff" patch is just after all loongson-related
> patches save "add loongson-ls1b_defconfig".
> 
> Could you please put it before the "add loongson-ls1b board" patch?

Ok. Just did that.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Mon, 27 Jan 2014 09:24:15 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> On Thu, Jan 23, 2014 at 02:33:01PM +0400, Antony Pavlov wrote:
> > On Thu, 23 Jan 2014 08:02:19 +0100
> > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > 
> > > On Thu, Jan 23, 2014 at 01:35:29AM +0400, Antony Pavlov wrote:
> > > > On Wed, 22 Jan 2014 12:15:58 +0100
> > > > Sascha Hauer <s.hauer@pengutronix.de> wrote:
> > > > 
> > > > > On Sat, Jan 18, 2014 at 07:12:50PM +0400, Antony Pavlov wrote:
> > > > > make: *** Waiting for unfinished jobs....
> > > > > arch/mips/boards/loongson-ls1b/serial.c:5:28: error: mach/loongson1.h: No such file or directory
> > > > > arch/mips/boards/loongson-ls1b/serial.c: In function 'console_init':
> > > > > arch/mips/boards/loongson-ls1b/serial.c:17: warning: implicit declaration of function 'KSEG1ADDR'
> > > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: 'LS1X_UART2_BASE' undeclared (first use in this function)
> > > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: (Each undeclared identifier is reported only once
> > > > > arch/mips/boards/loongson-ls1b/serial.c:17: error: for each function it appears in.)
> > > > > 
> > > > > arch/mips/mach-loongson/include/mach/loongson1.h and
> > > > > arch/mips/mach-loongson/Makefile seem to be missing. Could you respin with the missing files?
> > > > 
> > > > The missing files are from "[PATCH 04/13] MIPS: add initial Loongson-1X SoC stuff".
> > > > 
> > > > The missed patch is registered in maillist: see http://lists.infradead.org/pipermail/barebox/2014-January/017521.html
> > > 
> > > Indeed. For some reason I didn't receive that mail. I picked it from the
> > > ml archive now.
> > 
> > I have just fetched next branch from barebox.org.
> > 
> > Now the "MIPS: add initial Loongson-1X SoC stuff" patch is just after all loongson-related
> > patches save "add loongson-ls1b_defconfig".
> > 
> > Could you please put it before the "add loongson-ls1b board" patch?
> 
> Ok. Just did that.

I have just updated from git://git.pengutronix.de/git/barebox.git.

Here is a short log:

$ git log --pretty=oneline arch/mips | cut -c 42- | head -n 18
Merge branch 'for-next/mips' into next
MIPS: mach-ar231x: Fix uninitialized variable
MIPS: csrc-r4k: use CLOCKSOURCE_MASK() macro
MIPS: add loongson-ls1b_defconfig
MIPS: loongson-ls1b: add documentation
MIPS: loongson-ls1b: add NMON support
MIPS: loongson-ls1b: add PBL support
MIPS: loongson-ls1b: add ns16550-based console
MIPS: loongson-ls1b: add DEBUG_LL support
MIPS: mach-loongson: add DEBUG_LL support
MIPS: add initial Loongson-1X SoC stuff
MIPS: mach-loongson: add loongson-ls1b board
MIPS: add Loongson-1B processor constants and CPU probe
MIPS: add Loongson-1B CPU Kbuild stuff
MIPS: add initial Loongson-family documentation
MIPS: add initial Loongson-based boards support
mips asm/types.h: add #ifndef to fix compile error
MIPS: import exception registers saving from linux kernel

You can see that "MIPS: add initial Loongson-1X SoC stuff" is AFTER "MIPS: mach-loongson: add loongson-ls1b board".

This breaks loongson-ls1b board build without "Loongson-1X SoC stuff":

scripts/Makefile.build:41: /home/antony/barebox.git/arch/mips/mach-loongson/Makefile: No such file or directory
make[1]: *** No rule to make target `/home/antony/barebox.git/arch/mips/mach-loongson/Makefile'.  Stop.
make: *** [arch/mips/mach-loongson] Error 2

-- 
Best regards,
  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

> I have just updated from git://git.pengutronix.de/git/barebox.git.
> 
> Here is a short log:
> 
> $ git log --pretty=oneline arch/mips | cut -c 42- | head -n 18
> Merge branch 'for-next/mips' into next
> MIPS: mach-ar231x: Fix uninitialized variable
> MIPS: csrc-r4k: use CLOCKSOURCE_MASK() macro
> MIPS: add loongson-ls1b_defconfig
> MIPS: loongson-ls1b: add documentation
> MIPS: loongson-ls1b: add NMON support
> MIPS: loongson-ls1b: add PBL support
> MIPS: loongson-ls1b: add ns16550-based console
> MIPS: loongson-ls1b: add DEBUG_LL support
> MIPS: mach-loongson: add DEBUG_LL support
> MIPS: add initial Loongson-1X SoC stuff
> MIPS: mach-loongson: add loongson-ls1b board
> MIPS: add Loongson-1B processor constants and CPU probe
> MIPS: add Loongson-1B CPU Kbuild stuff
> MIPS: add initial Loongson-family documentation
> MIPS: add initial Loongson-based boards support
> mips asm/types.h: add #ifndef to fix compile error
> MIPS: import exception registers saving from linux kernel
> 
> You can see that "MIPS: add initial Loongson-1X SoC stuff" is AFTER "MIPS: mach-loongson: add loongson-ls1b board".
> 
> This breaks loongson-ls1b board build without "Loongson-1X SoC stuff":

Try again. Hopefully I got it right this time.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Thu, 30 Jan 2014 10:45:42 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> > I have just updated from git://git.pengutronix.de/git/barebox.git.
> > 
> > Here is a short log:
> > 
> > $ git log --pretty=oneline arch/mips | cut -c 42- | head -n 18
> > Merge branch 'for-next/mips' into next
> > MIPS: mach-ar231x: Fix uninitialized variable
> > MIPS: csrc-r4k: use CLOCKSOURCE_MASK() macro
> > MIPS: add loongson-ls1b_defconfig
> > MIPS: loongson-ls1b: add documentation
> > MIPS: loongson-ls1b: add NMON support
> > MIPS: loongson-ls1b: add PBL support
> > MIPS: loongson-ls1b: add ns16550-based console
> > MIPS: loongson-ls1b: add DEBUG_LL support
> > MIPS: mach-loongson: add DEBUG_LL support
> > MIPS: add initial Loongson-1X SoC stuff
> > MIPS: mach-loongson: add loongson-ls1b board
> > MIPS: add Loongson-1B processor constants and CPU probe
> > MIPS: add Loongson-1B CPU Kbuild stuff
> > MIPS: add initial Loongson-family documentation
> > MIPS: add initial Loongson-based boards support
> > mips asm/types.h: add #ifndef to fix compile error
> > MIPS: import exception registers saving from linux kernel
> > 
> > You can see that "MIPS: add initial Loongson-1X SoC stuff" is AFTER "MIPS: mach-loongson: add loongson-ls1b board".
> > 
> > This breaks loongson-ls1b board build without "Loongson-1X SoC stuff":
> 
> Try again. Hopefully I got it right this time.

I have just fetched last next branch.

Sorry, Sascha, but 'git log --pretty=oneline arch/mips | cut -c 42- | head -n 18'
shows that the problem have not gone.

Please see 
http://git.pengutronix.de/?p=barebox.git;a=commit;h=2785363e21f7b4999fd15c8c8eb3d50589eaf07f

your git web says just the same: 'MIPS: mach-loongson: add loongson-ls1b board' is the parent for 'MIPS: add initial Loongson-1X SoC stuff'.


> Sascha
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |


-- 
-- 
Best regards,
  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Antony Pavlov]

On Thu, 30 Jan 2014 10:45:42 +0100
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> > I have just updated from git://git.pengutronix.de/git/barebox.git.
> > 
> > Here is a short log:
> > 
> > $ git log --pretty=oneline arch/mips | cut -c 42- | head -n 18
> > Merge branch 'for-next/mips' into next
> > MIPS: mach-ar231x: Fix uninitialized variable
> > MIPS: csrc-r4k: use CLOCKSOURCE_MASK() macro
> > MIPS: add loongson-ls1b_defconfig
> > MIPS: loongson-ls1b: add documentation
> > MIPS: loongson-ls1b: add NMON support
> > MIPS: loongson-ls1b: add PBL support
> > MIPS: loongson-ls1b: add ns16550-based console
> > MIPS: loongson-ls1b: add DEBUG_LL support
> > MIPS: mach-loongson: add DEBUG_LL support
> > MIPS: add initial Loongson-1X SoC stuff
> > MIPS: mach-loongson: add loongson-ls1b board
> > MIPS: add Loongson-1B processor constants and CPU probe
> > MIPS: add Loongson-1B CPU Kbuild stuff
> > MIPS: add initial Loongson-family documentation
> > MIPS: add initial Loongson-based boards support
> > mips asm/types.h: add #ifndef to fix compile error
> > MIPS: import exception registers saving from linux kernel
> > 
> > You can see that "MIPS: add initial Loongson-1X SoC stuff" is AFTER "MIPS: mach-loongson: add loongson-ls1b board".
> > 
> > This breaks loongson-ls1b board build without "Loongson-1X SoC stuff":
> 
> Try again. Hopefully I got it right this time.
> 
> Sascha

Now (Thu Jan 30 16:50:29 MSK 2014), the first loongson-board commit is

commit 0208fdb15b83e4aaad12ee71695adb88229efab3
Author: Antony Pavlov <antonynpavlov@gmail.com>
Date:   Sat Jan 18 19:12:56 2014 +0400

    MIPS: mach-loongson: add loongson-ls1b board
    
    Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
    Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

It builds fine, thanks!


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  Antony Pavlov

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Re: [PATCH 00/13] MIPS: add initial Loongson-based boards support

[Sascha Hauer]

On Thu, Jan 30, 2014 at 04:52:18PM +0400, Antony Pavlov wrote:
> On Thu, 30 Jan 2014 10:45:42 +0100
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
> 
> > > I have just updated from git://git.pengutronix.de/git/barebox.git.
> > > 
> > > Here is a short log:
> > > 
> > > $ git log --pretty=oneline arch/mips | cut -c 42- | head -n 18
> > > Merge branch 'for-next/mips' into next
> > > MIPS: mach-ar231x: Fix uninitialized variable
> > > MIPS: csrc-r4k: use CLOCKSOURCE_MASK() macro
> > > MIPS: add loongson-ls1b_defconfig
> > > MIPS: loongson-ls1b: add documentation
> > > MIPS: loongson-ls1b: add NMON support
> > > MIPS: loongson-ls1b: add PBL support
> > > MIPS: loongson-ls1b: add ns16550-based console
> > > MIPS: loongson-ls1b: add DEBUG_LL support
> > > MIPS: mach-loongson: add DEBUG_LL support
> > > MIPS: add initial Loongson-1X SoC stuff
> > > MIPS: mach-loongson: add loongson-ls1b board
> > > MIPS: add Loongson-1B processor constants and CPU probe
> > > MIPS: add Loongson-1B CPU Kbuild stuff
> > > MIPS: add initial Loongson-family documentation
> > > MIPS: add initial Loongson-based boards support
> > > mips asm/types.h: add #ifndef to fix compile error
> > > MIPS: import exception registers saving from linux kernel
> > > 
> > > You can see that "MIPS: add initial Loongson-1X SoC stuff" is AFTER "MIPS: mach-loongson: add loongson-ls1b board".
> > > 
> > > This breaks loongson-ls1b board build without "Loongson-1X SoC stuff":
> > 
> > Try again. Hopefully I got it right this time.
> > 
> > Sascha
> 
> Now (Thu Jan 30 16:50:29 MSK 2014), the first loongson-board commit is
> 
> commit 0208fdb15b83e4aaad12ee71695adb88229efab3
> Author: Antony Pavlov <antonynpavlov@gmail.com>
> Date:   Sat Jan 18 19:12:56 2014 +0400
> 
>     MIPS: mach-loongson: add loongson-ls1b board
>     
>     Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
>     Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> 
> It builds fine, thanks!

\o/ finally

Sascha

-- 
Pengutronix e.K.                           |                             |
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Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
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