mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-23 22:59:55 +02:00
4cca99b95f
List of patches that Jo-Philipp groveled out of git. Redux: defuzzed. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30366 3c298f89-4303-0410-b956-a3cf2f4a3e73
133 lines
3.6 KiB
Diff
133 lines
3.6 KiB
Diff
index dc5f1d3..a24bf8c 100644
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--- a/arch/x86/platform/geode/alix.c
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+++ b/arch/x86/platform/geode/alix.c
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@@ -6,6 +6,7 @@
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*
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* Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
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* Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
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+ * and Philip Prindeville <philipp@redfish-solutions.com>
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*
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* TODO: There are large similarities with leds-net5501.c
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* by Alessandro Zummo <a.zummo@towertech.it>
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@@ -24,14 +25,47 @@
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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+#include <linux/input.h>
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+#include <linux/gpio_keys.h>
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+#include <linux/dmi.h>
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#include <asm/geode.h>
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-static int force = 0;
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+#define BIOS_SIGNATURE_TINYBIOS 0xf0000
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+#define BIOS_SIGNATURE_COREBOOT 0x500
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+#define BIOS_REGION_SIZE 0x10000
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+
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+static bool force = 0;
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module_param(force, bool, 0444);
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/* FIXME: Award bios is not automatically detected as Alix platform */
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MODULE_PARM_DESC(force, "Force detection as ALIX.2/ALIX.3 platform");
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+static struct gpio_keys_button alix_gpio_buttons[] = {
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+ {
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+ .code = KEY_RESTART,
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+ .gpio = 24,
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+ .active_low = 1,
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+ .desc = "Reset button",
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+ .type = EV_KEY,
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+ .wakeup = 0,
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+ .debounce_interval = 100,
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+ .can_disable = 0,
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+ }
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+};
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+static struct gpio_keys_platform_data alix_buttons_data = {
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+ .buttons = alix_gpio_buttons,
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+ .nbuttons = ARRAY_SIZE(alix_gpio_buttons),
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+ .poll_interval = 20,
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+};
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+
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+static struct platform_device alix_buttons_dev = {
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+ .name = "gpio-keys-polled",
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+ .id = 1,
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+ .dev = {
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+ .platform_data = &alix_buttons_data,
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+ }
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+};
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+
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static struct gpio_led alix_leds[] = {
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{
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.name = "alix:1",
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@@ -64,17 +98,22 @@ static struct platform_device alix_leds_
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.dev.platform_data = &alix_leds_data,
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};
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+static struct __initdata platform_device *alix_devs[] = {
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+ &alix_buttons_dev,
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+ &alix_leds_dev,
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+};
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+
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static void __init register_alix(void)
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{
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/* Setup LED control through leds-gpio driver */
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- platform_device_register(&alix_leds_dev);
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+ platform_add_devices(alix_devs, ARRAY_SIZE(alix_devs));
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}
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static int __init alix_present(unsigned long bios_phys,
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const char *alix_sig,
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size_t alix_sig_len)
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{
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- const size_t bios_len = 0x00010000;
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+ const size_t bios_len = BIOS_REGION_SIZE;
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const char *bios_virt;
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const char *scan_end;
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const char *p;
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@@ -109,7 +148,8 @@ static int __init alix_present(unsigned
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*a = '\0';
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tail = p + alix_sig_len;
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- if ((tail[0] == '2' || tail[0] == '3')) {
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+ if ((tail[0] == '2' || tail[0] == '3' || tail[0] == '6')) {
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+
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printk(KERN_INFO
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"%s: system is recognized as \"%s\"\n",
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KBUILD_MODNAME, name);
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@@ -120,6 +160,24 @@ static int __init alix_present(unsigned
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return 0;
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}
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+static bool __init alix_present_dmi(void)
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+{
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+ const char *vendor, *product;
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+
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+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
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+ if (!vendor || strcmp(vendor, "PC Engines"))
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+ return false;
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+
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+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
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+ if (!product || (strcmp(product, "ALIX.2D") && strcmp(product, "ALIX.6")))
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+ return false;
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+
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+ printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
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+ KBUILD_MODNAME, vendor, product);
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+
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+ return true;
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+}
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+
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static int __init alix_init(void)
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{
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const char tinybios_sig[] = "PC Engines ALIX.";
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@@ -128,8 +186,9 @@ static int __init alix_init(void)
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if (!is_geode())
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return 0;
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- if (alix_present(0xf0000, tinybios_sig, sizeof(tinybios_sig) - 1) ||
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- alix_present(0x500, coreboot_sig, sizeof(coreboot_sig) - 1))
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+ if (alix_present(BIOS_SIGNATURE_TINYBIOS, tinybios_sig, sizeof(tinybios_sig) - 1) ||
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+ alix_present(BIOS_SIGNATURE_COREBOOT, coreboot_sig, sizeof(coreboot_sig) - 1) ||
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+ alix_present_dmi())
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register_alix();
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return 0;
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