Jaguar ATX - Revision history

Ralf at 10:47, 17 August 2012

2012-08-17T10:47:14Z

Ralf: Better looking info boxes. Still looking odd.

2012-08-13T14:21:59Z

Better looking info boxes. Still looking odd.

Kpc: Fix commit hash for removing LIMITED_DMA

2010-07-28T19:10:04Z

Fix commit hash for removing LIMITED_DMA

Ralf: CONFIG_LIMITED_DMA is gone.

2007-05-09T13:49:26Z

CONFIG_LIMITED_DMA is gone.

Ralf: Jaguar ATX is dead.

2007-05-09T13:45:42Z

Jaguar ATX is dead.

Ralf: Jaguar ATX is scheduled for nuking.

2006-06-02T12:09:02Z

Jaguar ATX is scheduled for nuking.

Ralf: /* Detailed Description */

2006-03-17T11:41:14Z

‎Detailed Description

Ralf: Make HT a link

2006-03-17T11:40:22Z

Make HT a link

Ralf: It's Marvell damnit and no, they don't make any cores.

2005-08-01T12:59:11Z

It's Marvell damnit and no, they don't make any cores.

Alec v at 10:53, 30 July 2005

2005-07-30T10:53:08Z

← Older revision		Revision as of 10:47, 17 August 2012
Line 33:		Line 33:
	== Linux support ==		== Linux support ==
	Supported in Linux 2.4 and 2.6 but suffering from bitrot. The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal. The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.		Supported in Linux 2.4 and 2.6 but suffering from bitrot. The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal. The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.
		+
		+	[[category:PMON 2000]]

@@ Line 1: / Line 1: @@
 == General Information ==
 Momentum Jaguar ATX board has a [[RM9000]] processor (internal name Gemini) . This can be single core or dual core. The board has a [[Marvell_system_controllers|Marvell Discovery II]] (MV64340) system controller. Newer versions of the board have a Marvell Discovery III (MV64440) system controller. This new board is called Jaguar-3.
@@ Line 23: / Line 29: @@
 . 384 MB memory. DMA data in the 128 MB Discovery memory has to be moved to the 256 MB Rm9000 memory and vice-versa. One of the methods used in 2.4 Linux was putting the entire dmable memory into [[Memory_zones|ZONE_DMA]] but this did require modification of many drivers and I/O subsubsystems so wasn't really acceptable.
-. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.  This feature used to be called <tt>CONFIG_LIMITED_DMA</tt> and the Jaguar&nbsp;ATX was its only user.  Therefore it has also been removed when Jaguar&nbsp;ATX support was removed.  {{removed-feature|name=CONFIG_LIMITED_DMA|date=2007-05-09 (after the 2.6.21 release)|sha=599ca0fb639ba843da46c3ad1a53590763539750}}
+. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.  This feature used to be called <tt>CONFIG_LIMITED_DMA</tt> and the Jaguar&nbsp;ATX was its only user.  Therefore it has also been removed when Jaguar&nbsp;ATX support was removed.
 == Linux support ==
-Supported in Linux&nbsp;2.4 and 2.6 but suffering from bitrot.  The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal.  The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.  {{removed-feature|name=Jaguar ATX support|date=2007-05-09 (after the 2.6.18 release)|sha=3dedafcc0cdb8c1c56bae5ff8ded0b3fd398d13f}}
+Supported in Linux&nbsp;2.4 and 2.6 but suffering from bitrot.  The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal.  The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.

@@ Line 23: / Line 23: @@
 . 384 MB memory. DMA data in the 128 MB Discovery memory has to be moved to the 256 MB Rm9000 memory and vice-versa. One of the methods used in 2.4 Linux was putting the entire dmable memory into [[Memory_zones|ZONE_DMA]] but this did require modification of many drivers and I/O subsubsystems so wasn't really acceptable.
-. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.  This feature used to be called <tt>CONFIG_LIMITED_DMA</tt> and the Jaguar&nbsp;ATX was its only user.  Therefore it has also been removed when Jaguar&nbsp;ATX support was removed.  {{removed-feature|name=CONFIG_LIMITED_DMA|date=2007-05-09 (after the 2.6.21 release)|sha=d684759e3b8a05e48d2ccfe4c5d6e9a90f519e9f}}
+. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.  This feature used to be called <tt>CONFIG_LIMITED_DMA</tt> and the Jaguar&nbsp;ATX was its only user.  Therefore it has also been removed when Jaguar&nbsp;ATX support was removed.  {{removed-feature|name=CONFIG_LIMITED_DMA|date=2007-05-09 (after the 2.6.21 release)|sha=599ca0fb639ba843da46c3ad1a53590763539750}}
 == Linux support ==
 Supported in Linux&nbsp;2.4 and 2.6 but suffering from bitrot.  The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal.  The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.  {{removed-feature|name=Jaguar ATX support|date=2007-05-09 (after the 2.6.18 release)|sha=3dedafcc0cdb8c1c56bae5ff8ded0b3fd398d13f}}

@@ Line 23: / Line 23: @@
 . 384 MB memory. DMA data in the 128 MB Discovery memory has to be moved to the 256 MB Rm9000 memory and vice-versa. One of the methods used in 2.4 Linux was putting the entire dmable memory into [[Memory_zones|ZONE_DMA]] but this did require modification of many drivers and I/O subsubsystems so wasn't really acceptable.
-. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.
+. All RM9000 memory configured as [[Highmem|highmem]].  This is the solution used in Linux 2.6.  It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.  This feature used to be called <tt>CONFIG_LIMITED_DMA</tt> and the Jaguar&nbsp;ATX was its only user.  Therefore it has also been removed when Jaguar&nbsp;ATX support was removed.  {{removed-feature|name=CONFIG_LIMITED_DMA|date=2007-05-09 (after the 2.6.21 release)|sha=d684759e3b8a05e48d2ccfe4c5d6e9a90f519e9f}}
 == Linux support ==
 Supported in Linux&nbsp;2.4 and 2.6 but suffering from bitrot.  The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal.  The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra.  {{removed-feature|name=Jaguar ATX support|date=2007-05-09 (after the 2.6.18 release)|sha=3dedafcc0cdb8c1c56bae5ff8ded0b3fd398d13f}}

← Older revision		Revision as of 13:45, 9 May 2007
Line 26:		Line 26:

	== Linux support ==		== Linux support ==
−	Supported in Linux 2.4 and 2.6 but suffering from bitrot. The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal. The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra. {{~~feature~~-~~removal~~\|name=Jaguar ATX support\|date=~~September 2006~~ (after the 2.6.18 release)}}	+	Supported in Linux 2.4 and 2.6 but suffering from bitrot. The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal. The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra. {{removed-feature\|name=Jaguar ATX support\|date=2007-05-09 (after the 2.6.18 release)\|sha=3dedafcc0cdb8c1c56bae5ff8ded0b3fd398d13f}}

← Older revision		Revision as of 12:09, 2 June 2006
Line 24:		Line 24:

	3. All RM9000 memory configured as [[Highmem\|highmem]]. This is the solution used in Linux 2.6. It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.		3. All RM9000 memory configured as [[Highmem\|highmem]]. This is the solution used in Linux 2.6. It's the preferable way of doing things because it's consistant with the published internal Linux APIs and doesn't require extensive modifcations.
		+
		+	== Linux support ==
		+	Supported in Linux 2.4 and 2.6 but suffering from bitrot. The odd DMA restrictions make the board hard to support in Linux and result in the need to maintain an old feature of the generic memory managment which by itself was already scheduled for removal. The board became obsolete also through the availability of supperior [[SOC]]s by RM9000 maker PMC-Sierra. {{feature-removal\|name=Jaguar ATX support\|date=September 2006 (after the 2.6.18 release)}}

@@ Line 13: / Line 13: @@
 The board supports upto 384 MB memory with 128 MB supported by the Discovery controller and 256 MB supported by the Rm9000 core. The Discovery controller has three onboard Gigabit Ethernet interfaces, two PCI busses (2 64-bit PCI slots and 2 32-bit PCI slots), serial port (16550 compatible). The board also has a [[HyperTransport]] interface.
-This board is supported in Linux 2.4 and 2.6 versions (32-bit and 64-bit). The Hypertransport interface is compatible with Alliance Natasha/Sipacket HT-PCIX bridge and the PLX HT-PCIX bridge
+This board is supported in Linux 2.4 and 2.6 versions (32-bit and 64-bit). The Hypertransport interface is compatible with Alliance Natasha/Sipacket HT-to-PCI-X bridge and the PLX HT-to-PCI-X bridges.
 == Board Limitations ==

@@ Line 1: / Line 1: @@
 == General Information ==
-Momentum Jaguar ATX board has a [[RM9000|Rm9000]] processor (internal name Gemini) . This can be single core or dual core. The board has a Marvell Discovery II (MV64340) system controller. Newer versions of the board have a Marvell Discovery III (MV64440) system controller. This new board is called Jaguar-3.
+Momentum Jaguar ATX board has a [[RM9000|Rm9000]] processor (internal name Gemini) . This can be single core or dual core. The board has a [[Marvel_core|Marvell Discovery II]] (MV64340) system controller. Newer versions of the board have a Marvell Discovery III (MV64440) system controller. This new board is called Jaguar-3.
 == Block Diagram ==