mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 07:23:40 +03:00
Remove the eeprom patches, but move the git-newsetup to generic, so that the x86 target can benefit from them
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8374 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
00853f9f71
commit
72d3ca6175
11942
target/linux/generic-2.6/patches-2.6.22/000-git-newsetup.patch
Normal file
11942
target/linux/generic-2.6/patches-2.6.22/000-git-newsetup.patch
Normal file
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,22 @@
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From: Andrew Morton <akpm@linux-foundation.org>
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Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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---
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arch/i386/kernel/cpu/Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff -puN arch/i386/kernel/cpu/Makefile~git-newsetup-fixup arch/i386/kernel/cpu/Makefile
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--- a/arch/i386/kernel/cpu/Makefile~git-newsetup-fixup
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+++ a/arch/i386/kernel/cpu/Makefile
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@@ -8,7 +8,7 @@ obj-y += amd.o
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obj-y += cyrix.o
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obj-y += centaur.o
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obj-y += transmeta.o
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-obj-y += intel.o intel_cacheinfo.o
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+obj-y += intel.o intel_cacheinfo.o addon_cpuid_features.o
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obj-y += rise.o
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obj-y += nexgen.o
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obj-y += umc.o
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_
|
@ -1,358 +0,0 @@
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From: Ivo van Doorn <ivdoorn@gmail.com>
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Date: Fri, 11 May 2007 19:59:40 +0000 (-0400)
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Subject: [PATCH] Add 93cx6 eeprom library
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X-Git-Tag: v2.6.23-rc1~1201^2~74
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X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=9467d64b0e88763914c01f71ddf591b166c4f526
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[PATCH] Add 93cx6 eeprom library
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This patch adds a library for reading from 93cx6 eeproms.
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Signed-off-by: Michael Wu <flamingice@sourmilk.net>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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---
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diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
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index 616eee9..bd601ef 100644
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--- a/drivers/misc/Kconfig
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+++ b/drivers/misc/Kconfig
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@@ -34,6 +34,11 @@ config PHANTOM
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If you choose to build module, its name will be phantom. If unsure,
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say N here.
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+config EEPROM_93CX6
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+ tristate "EEPROM 93CX6 support"
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+ ---help---
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+ This is a driver for the EEPROM chipsets 93c46 and 93c66.
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+ The driver supports both read as well as write commands.
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If unsure, say N.
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@@ -187,5 +192,4 @@ config THINKPAD_ACPI_BAY
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If you are not sure, say Y here.
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-
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endmenu
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diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
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index 8abbf2f..b5ce0e3 100644
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--- a/drivers/misc/Makefile
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+++ b/drivers/misc/Makefile
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@@ -14,3 +14,4 @@ obj-$(CONFIG_PHANTOM) += phantom.o
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obj-$(CONFIG_SGI_IOC4) += ioc4.o
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obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
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obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
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+obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o
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diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
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new file mode 100644
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index 0000000..bfcb434
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--- /dev/null
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+++ b/drivers/misc/eeprom_93cx6.c
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@@ -0,0 +1,229 @@
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+/*
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+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
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+ <http://rt2x00.serialmonkey.com>
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+
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+ This program is free software; you can redistribute it and/or modify
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||||
+ 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.
|
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+
|
||||
+ 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.
|
||||
+
|
||||
+ You should have received a copy of the GNU General Public License
|
||||
+ along with this program; if not, write to the
|
||||
+ Free Software Foundation, Inc.,
|
||||
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
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+ */
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+
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+/*
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+ Module: eeprom_93cx6
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+ Abstract: EEPROM reader routines for 93cx6 chipsets.
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+ Supported chipsets: 93c46 & 93c66.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/version.h>
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+#include <linux/delay.h>
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+#include <linux/eeprom_93cx6.h>
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+
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+MODULE_AUTHOR("http://rt2x00.serialmonkey.com");
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+MODULE_VERSION("1.0");
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+MODULE_DESCRIPTION("EEPROM 93cx6 chip driver");
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+MODULE_LICENSE("GPL");
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+
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+static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom)
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+{
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+ eeprom->reg_data_clock = 1;
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+ eeprom->register_write(eeprom);
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+ udelay(1);
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+}
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+
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+static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
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+{
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+ eeprom->reg_data_clock = 0;
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+ eeprom->register_write(eeprom);
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+ udelay(1);
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+}
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+
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+static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)
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+{
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+ /*
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+ * Clear all flags, and enable chip select.
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+ */
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+ eeprom->register_read(eeprom);
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+ eeprom->reg_data_in = 0;
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+ eeprom->reg_data_out = 0;
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+ eeprom->reg_data_clock = 0;
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+ eeprom->reg_chip_select = 1;
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+ eeprom->register_write(eeprom);
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+
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+ /*
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+ * kick a pulse.
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+ */
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+ eeprom_93cx6_pulse_high(eeprom);
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+ eeprom_93cx6_pulse_low(eeprom);
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+}
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+
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+static void eeprom_93cx6_cleanup(struct eeprom_93cx6 *eeprom)
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+{
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+ /*
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+ * Clear chip_select and data_in flags.
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+ */
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+ eeprom->register_read(eeprom);
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+ eeprom->reg_data_in = 0;
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+ eeprom->reg_chip_select = 0;
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+ eeprom->register_write(eeprom);
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+
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+ /*
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+ * kick a pulse.
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+ */
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+ eeprom_93cx6_pulse_high(eeprom);
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+ eeprom_93cx6_pulse_low(eeprom);
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+}
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+
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+static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom,
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+ const u16 data, const u16 count)
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+{
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+ unsigned int i;
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+
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+ eeprom->register_read(eeprom);
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+
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+ /*
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+ * Clear data flags.
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+ */
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+ eeprom->reg_data_in = 0;
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+ eeprom->reg_data_out = 0;
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+
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+ /*
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+ * Start writing all bits.
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+ */
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+ for (i = count; i > 0; i--) {
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+ /*
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+ * Check if this bit needs to be set.
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+ */
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+ eeprom->reg_data_in = !!(data & (1 << (i - 1)));
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+
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+ /*
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+ * Write the bit to the eeprom register.
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+ */
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+ eeprom->register_write(eeprom);
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+
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+ /*
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+ * Kick a pulse.
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+ */
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+ eeprom_93cx6_pulse_high(eeprom);
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+ eeprom_93cx6_pulse_low(eeprom);
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+ }
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+
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+ eeprom->reg_data_in = 0;
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+ eeprom->register_write(eeprom);
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+}
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+
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+static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom,
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+ u16 *data, const u16 count)
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+{
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+ unsigned int i;
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+ u16 buf = 0;
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+
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+ eeprom->register_read(eeprom);
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+
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+ /*
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+ * Clear data flags.
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+ */
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+ eeprom->reg_data_in = 0;
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+ eeprom->reg_data_out = 0;
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+
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+ /*
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+ * Start reading all bits.
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+ */
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+ for (i = count; i > 0; i--) {
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+ eeprom_93cx6_pulse_high(eeprom);
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+
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+ eeprom->register_read(eeprom);
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+
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+ /*
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+ * Clear data_in flag.
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+ */
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+ eeprom->reg_data_in = 0;
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+
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+ /*
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+ * Read if the bit has been set.
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+ */
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+ if (eeprom->reg_data_out)
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+ buf |= (1 << (i - 1));
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+
|
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+ eeprom_93cx6_pulse_low(eeprom);
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+ }
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+
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+ *data = buf;
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+}
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+
|
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+/**
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+ * eeprom_93cx6_read - Read multiple words from eeprom
|
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+ * @eeprom: Pointer to eeprom structure
|
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+ * @word: Word index from where we should start reading
|
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+ * @data: target pointer where the information will have to be stored
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+ *
|
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+ * This function will read the eeprom data as host-endian word
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+ * into the given data pointer.
|
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+ */
|
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+void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, const u8 word,
|
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+ u16 *data)
|
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+{
|
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+ u16 command;
|
||||
+
|
||||
+ /*
|
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+ * Initialize the eeprom register
|
||||
+ */
|
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+ eeprom_93cx6_startup(eeprom);
|
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+
|
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+ /*
|
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+ * Select the read opcode and the word to be read.
|
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+ */
|
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+ command = (PCI_EEPROM_READ_OPCODE << eeprom->width) | word;
|
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+ eeprom_93cx6_write_bits(eeprom, command,
|
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+ PCI_EEPROM_WIDTH_OPCODE + eeprom->width);
|
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+
|
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+ /*
|
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+ * Read the requested 16 bits.
|
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+ */
|
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+ eeprom_93cx6_read_bits(eeprom, data, 16);
|
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+
|
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+ /*
|
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+ * Cleanup eeprom register.
|
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+ */
|
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+ eeprom_93cx6_cleanup(eeprom);
|
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+}
|
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+EXPORT_SYMBOL_GPL(eeprom_93cx6_read);
|
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+
|
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+/**
|
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+ * eeprom_93cx6_multiread - Read multiple words from eeprom
|
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+ * @eeprom: Pointer to eeprom structure
|
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+ * @word: Word index from where we should start reading
|
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+ * @data: target pointer where the information will have to be stored
|
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+ * @words: Number of words that should be read.
|
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+ *
|
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+ * This function will read all requested words from the eeprom,
|
||||
+ * this is done by calling eeprom_93cx6_read() multiple times.
|
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+ * But with the additional change that while the eeprom_93cx6_read
|
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+ * will return host ordered bytes, this method will return little
|
||||
+ * endian words.
|
||||
+ */
|
||||
+void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word,
|
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+ __le16 *data, const u16 words)
|
||||
+{
|
||||
+ unsigned int i;
|
||||
+ u16 tmp;
|
||||
+
|
||||
+ for (i = 0; i < words; i++) {
|
||||
+ tmp = 0;
|
||||
+ eeprom_93cx6_read(eeprom, word + i, &tmp);
|
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+ data[i] = cpu_to_le16(tmp);
|
||||
+ }
|
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+}
|
||||
+EXPORT_SYMBOL_GPL(eeprom_93cx6_multiread);
|
||||
+
|
||||
diff --git a/include/linux/eeprom_93cx6.h b/include/linux/eeprom_93cx6.h
|
||||
new file mode 100644
|
||||
index 0000000..d774b77
|
||||
--- /dev/null
|
||||
+++ b/include/linux/eeprom_93cx6.h
|
||||
@@ -0,0 +1,72 @@
|
||||
+/*
|
||||
+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
|
||||
+ <http://rt2x00.serialmonkey.com>
|
||||
+
|
||||
+ 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.
|
||||
+
|
||||
+ 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.
|
||||
+
|
||||
+ You should have received a copy of the GNU General Public License
|
||||
+ along with this program; if not, write to the
|
||||
+ Free Software Foundation, Inc.,
|
||||
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
+ */
|
||||
+
|
||||
+/*
|
||||
+ Module: eeprom_93cx6
|
||||
+ Abstract: EEPROM reader datastructures for 93cx6 chipsets.
|
||||
+ Supported chipsets: 93c46 & 93c66.
|
||||
+ */
|
||||
+
|
||||
+/*
|
||||
+ * EEPROM operation defines.
|
||||
+ */
|
||||
+#define PCI_EEPROM_WIDTH_93C46 6
|
||||
+#define PCI_EEPROM_WIDTH_93C66 8
|
||||
+#define PCI_EEPROM_WIDTH_OPCODE 3
|
||||
+#define PCI_EEPROM_WRITE_OPCODE 0x05
|
||||
+#define PCI_EEPROM_READ_OPCODE 0x06
|
||||
+#define PCI_EEPROM_EWDS_OPCODE 0x10
|
||||
+#define PCI_EEPROM_EWEN_OPCODE 0x13
|
||||
+
|
||||
+/**
|
||||
+ * struct eeprom_93cx6 - control structure for setting the commands
|
||||
+ * for reading the eeprom data.
|
||||
+ * @data: private pointer for the driver.
|
||||
+ * @register_read(struct eeprom_93cx6 *eeprom): handler to
|
||||
+ * read the eeprom register, this function should set all reg_* fields.
|
||||
+ * @register_write(struct eeprom_93cx6 *eeprom): handler to
|
||||
+ * write to the eeprom register by using all reg_* fields.
|
||||
+ * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines
|
||||
+ * @reg_data_in: register field to indicate data input
|
||||
+ * @reg_data_out: register field to indicate data output
|
||||
+ * @reg_data_clock: register field to set the data clock
|
||||
+ * @reg_chip_select: register field to set the chip select
|
||||
+ *
|
||||
+ * This structure is used for the communication between the driver
|
||||
+ * and the eeprom_93cx6 handlers for reading the eeprom.
|
||||
+ */
|
||||
+struct eeprom_93cx6 {
|
||||
+ void *data;
|
||||
+
|
||||
+ void (*register_read)(struct eeprom_93cx6 *eeprom);
|
||||
+ void (*register_write)(struct eeprom_93cx6 *eeprom);
|
||||
+
|
||||
+ int width;
|
||||
+
|
||||
+ char reg_data_in;
|
||||
+ char reg_data_out;
|
||||
+ char reg_data_clock;
|
||||
+ char reg_chip_select;
|
||||
+};
|
||||
+
|
||||
+extern void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom,
|
||||
+ const u8 word, u16 *data);
|
||||
+extern void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom,
|
||||
+ const u8 word, __le16 *data, const u16 words);
|
@ -1,46 +0,0 @@
|
||||
From: Ivo van Doorn <ivdoorn@gmail.com>
|
||||
Date: Mon, 14 May 2007 21:06:01 +0000 (+0200)
|
||||
Subject: [PATCH] eeprom_93cx6: Add comment for 1us delay after pulse
|
||||
X-Git-Tag: v2.6.23-rc1~1201^2~73
|
||||
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=4b914dc0493edff19ff698a18198a173a14ba9d2
|
||||
|
||||
[PATCH] eeprom_93cx6: Add comment for 1us delay after pulse
|
||||
|
||||
This will add a comment for the 1us delay which is taken
|
||||
after the pulse has been switched. The 1us delay is based
|
||||
on the specifications so that should be made clear.
|
||||
|
||||
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
|
||||
Signed-off-by: John W. Linville <linville@tuxdriver.com>
|
||||
---
|
||||
|
||||
diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
|
||||
index bfcb434..0d6d742 100644
|
||||
--- a/drivers/misc/eeprom_93cx6.c
|
||||
+++ b/drivers/misc/eeprom_93cx6.c
|
||||
@@ -39,6 +39,12 @@ static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom)
|
||||
{
|
||||
eeprom->reg_data_clock = 1;
|
||||
eeprom->register_write(eeprom);
|
||||
+
|
||||
+ /*
|
||||
+ * Add a short delay for the pulse to work.
|
||||
+ * According to the specifications the minimal time
|
||||
+ * should be 450ns so a 1us delay is sufficient.
|
||||
+ */
|
||||
udelay(1);
|
||||
}
|
||||
|
||||
@@ -46,6 +52,12 @@ static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
|
||||
{
|
||||
eeprom->reg_data_clock = 0;
|
||||
eeprom->register_write(eeprom);
|
||||
+
|
||||
+ /*
|
||||
+ * Add a short delay for the pulse to work.
|
||||
+ * According to the specifications the minimal time
|
||||
+ * should be 450ns so a 1us delay is sufficient.
|
||||
+ */
|
||||
udelay(1);
|
||||
}
|
||||
|
@ -1,36 +0,0 @@
|
||||
From: John W. Linville <linville@tuxdriver.com>
|
||||
Date: Tue, 12 Jun 2007 01:37:46 +0000 (-0400)
|
||||
Subject: [PATCH] eeprom_93cx6: shorten pulse timing to match spec
|
||||
X-Git-Tag: v2.6.23-rc1~1201^2~71
|
||||
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=7e9400f178d291b2208c4ed9aac0f425c1364000
|
||||
|
||||
[PATCH] eeprom_93cx6: shorten pulse timing to match spec
|
||||
|
||||
93cx6 datasheet available here:
|
||||
|
||||
http://ww1.microchip.com/downloads/en/DeviceDoc/21749F.pdf
|
||||
|
||||
Figure 1-1 and Table 1-2 on pages 4-5 indicate that both Clock High
|
||||
Time and Clock Low Time have largest minimum times of 450ns.
|
||||
|
||||
Signed-off-by: John W. Linville <linville@tuxdriver.com>
|
||||
---
|
||||
|
||||
diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
|
||||
index 0d6d742..ac515b0 100644
|
||||
--- a/drivers/misc/eeprom_93cx6.c
|
||||
+++ b/drivers/misc/eeprom_93cx6.c
|
||||
@@ -42,10 +42,10 @@ static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom)
|
||||
|
||||
/*
|
||||
* Add a short delay for the pulse to work.
|
||||
- * According to the specifications the minimal time
|
||||
- * should be 450ns so a 1us delay is sufficient.
|
||||
+ * According to the specifications the "maximum minimum"
|
||||
+ * time should be 450ns.
|
||||
*/
|
||||
- udelay(1);
|
||||
+ ndelay(450);
|
||||
}
|
||||
|
||||
static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
|
Loading…
Reference in New Issue
Block a user