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https://github.com/openwrt/openwrt.git
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8fe5ad5d33
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
102 lines
2.5 KiB
Diff
102 lines
2.5 KiB
Diff
--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -37,6 +37,7 @@
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#include <linux/ssb/ssb.h>
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#include <linux/ssb/ssb_embedded.h>
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#include <linux/bcma/bcma_soc.h>
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+#include <linux/old_gpio_wdt.h>
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#include <asm/bootinfo.h>
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#include <asm/idle.h>
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#include <asm/prom.h>
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@@ -225,6 +226,33 @@ static struct fixed_phy_status bcm47xx_f
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.duplex = DUPLEX_FULL,
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};
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+static struct gpio_wdt_platform_data gpio_wdt_data;
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+
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+static struct platform_device gpio_wdt_device = {
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+ .name = "gpio-wdt",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &gpio_wdt_data,
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+ },
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+};
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+
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+static int __init bcm47xx_register_gpio_watchdog(void)
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+{
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+ enum bcm47xx_board board = bcm47xx_board_get();
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+
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+ switch (board) {
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+ case BCM47XX_BOARD_HUAWEI_E970:
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+ pr_info("bcm47xx: detected Huawei E970 or similar, starting early gpio_wdt timer\n");
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+ gpio_wdt_data.gpio = 7;
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+ gpio_wdt_data.interval = HZ;
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+ gpio_wdt_data.first_interval = HZ / 5;
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+ return platform_device_register(&gpio_wdt_device);
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+ default:
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+ /* Nothing to do */
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+ return 0;
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+ }
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+}
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+
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static int __init bcm47xx_register_bus_complete(void)
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{
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switch (bcm47xx_bus_type) {
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@@ -244,6 +272,7 @@ static int __init bcm47xx_register_bus_c
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bcm47xx_workarounds();
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fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status, -1);
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+ bcm47xx_register_gpio_watchdog();
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return 0;
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}
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device_initcall(bcm47xx_register_bus_complete);
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--- a/arch/mips/configs/bcm47xx_defconfig
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+++ b/arch/mips/configs/bcm47xx_defconfig
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@@ -66,6 +66,7 @@ CONFIG_HW_RANDOM=y
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CONFIG_GPIO_SYSFS=y
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CONFIG_WATCHDOG=y
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CONFIG_BCM47XX_WDT=y
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+CONFIG_GPIO_WDT=y
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CONFIG_SSB_DEBUG=y
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CONFIG_SSB_DRIVER_GIGE=y
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CONFIG_BCMA_DRIVER_GMAC_CMN=y
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--- a/drivers/ssb/embedded.c
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+++ b/drivers/ssb/embedded.c
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@@ -34,11 +34,36 @@ int ssb_watchdog_timer_set(struct ssb_bu
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}
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EXPORT_SYMBOL(ssb_watchdog_timer_set);
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+#ifdef CONFIG_BCM47XX
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+#include <bcm47xx_board.h>
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+
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+static bool ssb_watchdog_supported(void)
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+{
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+ enum bcm47xx_board board = bcm47xx_board_get();
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+
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+ /* The Huawei E970 has a hardware watchdog using a GPIO */
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+ switch (board) {
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+ case BCM47XX_BOARD_HUAWEI_E970:
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+ return false;
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+ default:
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+ return true;
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+ }
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+}
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+#else
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+static bool ssb_watchdog_supported(void)
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+{
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+ return true;
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+}
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+#endif
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+
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int ssb_watchdog_register(struct ssb_bus *bus)
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{
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struct bcm47xx_wdt wdt = {};
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struct platform_device *pdev;
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+ if (!ssb_watchdog_supported())
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+ return 0;
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+
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if (ssb_chipco_available(&bus->chipco)) {
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wdt.driver_data = &bus->chipco;
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wdt.timer_set = ssb_chipco_watchdog_timer_set_wdt;
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