diff options
Diffstat (limited to 'target/linux/generic/patches-3.12/020-ssb_update.patch')
-rw-r--r-- | target/linux/generic/patches-3.12/020-ssb_update.patch | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/target/linux/generic/patches-3.12/020-ssb_update.patch b/target/linux/generic/patches-3.12/020-ssb_update.patch deleted file mode 100644 index 3a9916197b..0000000000 --- a/target/linux/generic/patches-3.12/020-ssb_update.patch +++ /dev/null @@ -1,561 +0,0 @@ ---- a/drivers/ssb/Kconfig -+++ b/drivers/ssb/Kconfig -@@ -168,6 +168,7 @@ config SSB_DRIVER_GIGE - config SSB_DRIVER_GPIO - bool "SSB GPIO driver" - depends on SSB && GPIOLIB -+ select IRQ_DOMAIN if SSB_EMBEDDED - help - Driver to provide access to the GPIO pins on the bus. - ---- a/drivers/ssb/driver_chipcommon_sflash.c -+++ b/drivers/ssb/driver_chipcommon_sflash.c -@@ -37,7 +37,7 @@ static const struct ssb_sflash_tbl_e ssb - { "M25P32", 0x15, 0x10000, 64, }, - { "M25P64", 0x16, 0x10000, 128, }, - { "M25FL128", 0x17, 0x10000, 256, }, -- { 0 }, -+ { NULL }, - }; - - static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = { -@@ -55,7 +55,7 @@ static const struct ssb_sflash_tbl_e ssb - { "SST25VF016", 0x41, 0x1000, 512, }, - { "SST25VF032", 0x4a, 0x1000, 1024, }, - { "SST25VF064", 0x4b, 0x1000, 2048, }, -- { 0 }, -+ { NULL }, - }; - - static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = { -@@ -66,7 +66,7 @@ static const struct ssb_sflash_tbl_e ssb - { "AT45DB161", 0x2c, 512, 4096, }, - { "AT45DB321", 0x34, 512, 8192, }, - { "AT45DB642", 0x3c, 1024, 8192, }, -- { 0 }, -+ { NULL }, - }; - - static void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode) ---- a/drivers/ssb/driver_gpio.c -+++ b/drivers/ssb/driver_gpio.c -@@ -9,16 +9,40 @@ - */ - - #include <linux/gpio.h> -+#include <linux/irq.h> -+#include <linux/interrupt.h> -+#include <linux/irqdomain.h> - #include <linux/export.h> - #include <linux/ssb/ssb.h> - - #include "ssb_private.h" - -+ -+/************************************************** -+ * Shared -+ **************************************************/ -+ - static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip) - { - return container_of(chip, struct ssb_bus, gpio); - } - -+#if IS_ENABLED(CONFIG_SSB_EMBEDDED) -+static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) -+{ -+ struct ssb_bus *bus = ssb_gpio_get_bus(chip); -+ -+ if (bus->bustype == SSB_BUSTYPE_SSB) -+ return irq_find_mapping(bus->irq_domain, gpio); -+ else -+ return -EINVAL; -+} -+#endif -+ -+/************************************************** -+ * ChipCommon -+ **************************************************/ -+ - static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio) - { - struct ssb_bus *bus = ssb_gpio_get_bus(chip); -@@ -74,19 +98,129 @@ static void ssb_gpio_chipco_free(struct - ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); - } - --static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio) -+#if IS_ENABLED(CONFIG_SSB_EMBEDDED) -+static void ssb_gpio_irq_chipco_mask(struct irq_data *d) - { -- struct ssb_bus *bus = ssb_gpio_get_bus(chip); -+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d); -+ int gpio = irqd_to_hwirq(d); - -- if (bus->bustype == SSB_BUSTYPE_SSB) -- return ssb_mips_irq(bus->chipco.dev) + 2; -- else -- return -EINVAL; -+ ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), 0); -+} -+ -+static void ssb_gpio_irq_chipco_unmask(struct irq_data *d) -+{ -+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d); -+ int gpio = irqd_to_hwirq(d); -+ u32 val = ssb_chipco_gpio_in(&bus->chipco, BIT(gpio)); -+ -+ ssb_chipco_gpio_polarity(&bus->chipco, BIT(gpio), val); -+ ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), BIT(gpio)); -+} -+ -+static struct irq_chip ssb_gpio_irq_chipco_chip = { -+ .name = "SSB-GPIO-CC", -+ .irq_mask = ssb_gpio_irq_chipco_mask, -+ .irq_unmask = ssb_gpio_irq_chipco_unmask, -+}; -+ -+static irqreturn_t ssb_gpio_irq_chipco_handler(int irq, void *dev_id) -+{ -+ struct ssb_bus *bus = dev_id; -+ struct ssb_chipcommon *chipco = &bus->chipco; -+ u32 val = chipco_read32(chipco, SSB_CHIPCO_GPIOIN); -+ u32 mask = chipco_read32(chipco, SSB_CHIPCO_GPIOIRQ); -+ u32 pol = chipco_read32(chipco, SSB_CHIPCO_GPIOPOL); -+ unsigned long irqs = (val ^ pol) & mask; -+ int gpio; -+ -+ if (!irqs) -+ return IRQ_NONE; -+ -+ for_each_set_bit(gpio, &irqs, bus->gpio.ngpio) -+ generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio)); -+ ssb_chipco_gpio_polarity(chipco, irqs, val & irqs); -+ -+ return IRQ_HANDLED; -+} -+ -+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus) -+{ -+ struct ssb_chipcommon *chipco = &bus->chipco; -+ struct gpio_chip *chip = &bus->gpio; -+ int gpio, hwirq, err; -+ -+ if (bus->bustype != SSB_BUSTYPE_SSB) -+ return 0; -+ -+ bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio, -+ &irq_domain_simple_ops, chipco); -+ if (!bus->irq_domain) { -+ err = -ENODEV; -+ goto err_irq_domain; -+ } -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_create_mapping(bus->irq_domain, gpio); -+ -+ irq_set_chip_data(irq, bus); -+ irq_set_chip_and_handler(irq, &ssb_gpio_irq_chipco_chip, -+ handle_simple_irq); -+ } -+ -+ hwirq = ssb_mips_irq(bus->chipco.dev) + 2; -+ err = request_irq(hwirq, ssb_gpio_irq_chipco_handler, IRQF_SHARED, -+ "gpio", bus); -+ if (err) -+ goto err_req_irq; -+ -+ ssb_chipco_gpio_intmask(&bus->chipco, ~0, 0); -+ chipco_set32(chipco, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO); -+ -+ return 0; -+ -+err_req_irq: -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_find_mapping(bus->irq_domain, gpio); -+ -+ irq_dispose_mapping(irq); -+ } -+ irq_domain_remove(bus->irq_domain); -+err_irq_domain: -+ return err; -+} -+ -+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus) -+{ -+ struct ssb_chipcommon *chipco = &bus->chipco; -+ struct gpio_chip *chip = &bus->gpio; -+ int gpio; -+ -+ if (bus->bustype != SSB_BUSTYPE_SSB) -+ return; -+ -+ chipco_mask32(chipco, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO); -+ free_irq(ssb_mips_irq(bus->chipco.dev) + 2, chipco); -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_find_mapping(bus->irq_domain, gpio); -+ -+ irq_dispose_mapping(irq); -+ } -+ irq_domain_remove(bus->irq_domain); -+} -+#else -+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus) -+{ -+ return 0; -+} -+ -+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus) -+{ - } -+#endif - - static int ssb_gpio_chipco_init(struct ssb_bus *bus) - { - struct gpio_chip *chip = &bus->gpio; -+ int err; - - chip->label = "ssb_chipco_gpio"; - chip->owner = THIS_MODULE; -@@ -96,7 +230,9 @@ static int ssb_gpio_chipco_init(struct s - chip->set = ssb_gpio_chipco_set_value; - chip->direction_input = ssb_gpio_chipco_direction_input; - chip->direction_output = ssb_gpio_chipco_direction_output; -- chip->to_irq = ssb_gpio_chipco_to_irq; -+#if IS_ENABLED(CONFIG_SSB_EMBEDDED) -+ chip->to_irq = ssb_gpio_to_irq; -+#endif - chip->ngpio = 16; - /* There is just one SoC in one device and its GPIO addresses should be - * deterministic to address them more easily. The other buses could get -@@ -106,9 +242,23 @@ static int ssb_gpio_chipco_init(struct s - else - chip->base = -1; - -- return gpiochip_add(chip); -+ err = ssb_gpio_irq_chipco_domain_init(bus); -+ if (err) -+ return err; -+ -+ err = gpiochip_add(chip); -+ if (err) { -+ ssb_gpio_irq_chipco_domain_exit(bus); -+ return err; -+ } -+ -+ return 0; - } - -+/************************************************** -+ * EXTIF -+ **************************************************/ -+ - #ifdef CONFIG_SSB_DRIVER_EXTIF - - static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio) -@@ -145,19 +295,127 @@ static int ssb_gpio_extif_direction_outp - return 0; - } - --static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio) -+#if IS_ENABLED(CONFIG_SSB_EMBEDDED) -+static void ssb_gpio_irq_extif_mask(struct irq_data *d) - { -- struct ssb_bus *bus = ssb_gpio_get_bus(chip); -+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d); -+ int gpio = irqd_to_hwirq(d); - -- if (bus->bustype == SSB_BUSTYPE_SSB) -- return ssb_mips_irq(bus->extif.dev) + 2; -- else -- return -EINVAL; -+ ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), 0); -+} -+ -+static void ssb_gpio_irq_extif_unmask(struct irq_data *d) -+{ -+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d); -+ int gpio = irqd_to_hwirq(d); -+ u32 val = ssb_extif_gpio_in(&bus->extif, BIT(gpio)); -+ -+ ssb_extif_gpio_polarity(&bus->extif, BIT(gpio), val); -+ ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), BIT(gpio)); -+} -+ -+static struct irq_chip ssb_gpio_irq_extif_chip = { -+ .name = "SSB-GPIO-EXTIF", -+ .irq_mask = ssb_gpio_irq_extif_mask, -+ .irq_unmask = ssb_gpio_irq_extif_unmask, -+}; -+ -+static irqreturn_t ssb_gpio_irq_extif_handler(int irq, void *dev_id) -+{ -+ struct ssb_bus *bus = dev_id; -+ struct ssb_extif *extif = &bus->extif; -+ u32 val = ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN); -+ u32 mask = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTMASK); -+ u32 pol = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTPOL); -+ unsigned long irqs = (val ^ pol) & mask; -+ int gpio; -+ -+ if (!irqs) -+ return IRQ_NONE; -+ -+ for_each_set_bit(gpio, &irqs, bus->gpio.ngpio) -+ generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio)); -+ ssb_extif_gpio_polarity(extif, irqs, val & irqs); -+ -+ return IRQ_HANDLED; -+} -+ -+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus) -+{ -+ struct ssb_extif *extif = &bus->extif; -+ struct gpio_chip *chip = &bus->gpio; -+ int gpio, hwirq, err; -+ -+ if (bus->bustype != SSB_BUSTYPE_SSB) -+ return 0; -+ -+ bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio, -+ &irq_domain_simple_ops, extif); -+ if (!bus->irq_domain) { -+ err = -ENODEV; -+ goto err_irq_domain; -+ } -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_create_mapping(bus->irq_domain, gpio); -+ -+ irq_set_chip_data(irq, bus); -+ irq_set_chip_and_handler(irq, &ssb_gpio_irq_extif_chip, -+ handle_simple_irq); -+ } -+ -+ hwirq = ssb_mips_irq(bus->extif.dev) + 2; -+ err = request_irq(hwirq, ssb_gpio_irq_extif_handler, IRQF_SHARED, -+ "gpio", bus); -+ if (err) -+ goto err_req_irq; -+ -+ ssb_extif_gpio_intmask(&bus->extif, ~0, 0); -+ -+ return 0; -+ -+err_req_irq: -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_find_mapping(bus->irq_domain, gpio); -+ -+ irq_dispose_mapping(irq); -+ } -+ irq_domain_remove(bus->irq_domain); -+err_irq_domain: -+ return err; - } - -+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus) -+{ -+ struct ssb_extif *extif = &bus->extif; -+ struct gpio_chip *chip = &bus->gpio; -+ int gpio; -+ -+ if (bus->bustype != SSB_BUSTYPE_SSB) -+ return; -+ -+ free_irq(ssb_mips_irq(bus->extif.dev) + 2, extif); -+ for (gpio = 0; gpio < chip->ngpio; gpio++) { -+ int irq = irq_find_mapping(bus->irq_domain, gpio); -+ -+ irq_dispose_mapping(irq); -+ } -+ irq_domain_remove(bus->irq_domain); -+} -+#else -+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus) -+{ -+ return 0; -+} -+ -+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus) -+{ -+} -+#endif -+ - static int ssb_gpio_extif_init(struct ssb_bus *bus) - { - struct gpio_chip *chip = &bus->gpio; -+ int err; - - chip->label = "ssb_extif_gpio"; - chip->owner = THIS_MODULE; -@@ -165,7 +423,9 @@ static int ssb_gpio_extif_init(struct ss - chip->set = ssb_gpio_extif_set_value; - chip->direction_input = ssb_gpio_extif_direction_input; - chip->direction_output = ssb_gpio_extif_direction_output; -- chip->to_irq = ssb_gpio_extif_to_irq; -+#if IS_ENABLED(CONFIG_SSB_EMBEDDED) -+ chip->to_irq = ssb_gpio_to_irq; -+#endif - chip->ngpio = 5; - /* There is just one SoC in one device and its GPIO addresses should be - * deterministic to address them more easily. The other buses could get -@@ -175,7 +435,17 @@ static int ssb_gpio_extif_init(struct ss - else - chip->base = -1; - -- return gpiochip_add(chip); -+ err = ssb_gpio_irq_extif_domain_init(bus); -+ if (err) -+ return err; -+ -+ err = gpiochip_add(chip); -+ if (err) { -+ ssb_gpio_irq_extif_domain_exit(bus); -+ return err; -+ } -+ -+ return 0; - } - - #else -@@ -185,6 +455,10 @@ static int ssb_gpio_extif_init(struct ss - } - #endif - -+/************************************************** -+ * Init -+ **************************************************/ -+ - int ssb_gpio_init(struct ssb_bus *bus) - { - if (ssb_chipco_available(&bus->chipco)) ---- a/drivers/ssb/main.c -+++ b/drivers/ssb/main.c -@@ -374,7 +374,8 @@ static ssize_t \ - attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \ - { \ - return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \ --} -+} \ -+static DEVICE_ATTR_RO(attrib); - - ssb_config_attr(core_num, core_index, "%u\n") - ssb_config_attr(coreid, id.coreid, "0x%04x\n") -@@ -387,16 +388,18 @@ name_show(struct device *dev, struct dev - return sprintf(buf, "%s\n", - ssb_core_name(dev_to_ssb_dev(dev)->id.coreid)); - } -+static DEVICE_ATTR_RO(name); - --static struct device_attribute ssb_device_attrs[] = { -- __ATTR_RO(name), -- __ATTR_RO(core_num), -- __ATTR_RO(coreid), -- __ATTR_RO(vendor), -- __ATTR_RO(revision), -- __ATTR_RO(irq), -- __ATTR_NULL, -+static struct attribute *ssb_device_attrs[] = { -+ &dev_attr_name.attr, -+ &dev_attr_core_num.attr, -+ &dev_attr_coreid.attr, -+ &dev_attr_vendor.attr, -+ &dev_attr_revision.attr, -+ &dev_attr_irq.attr, -+ NULL, - }; -+ATTRIBUTE_GROUPS(ssb_device); - - static struct bus_type ssb_bustype = { - .name = "ssb", -@@ -407,7 +410,7 @@ static struct bus_type ssb_bustype = { - .suspend = ssb_device_suspend, - .resume = ssb_device_resume, - .uevent = ssb_device_uevent, -- .dev_attrs = ssb_device_attrs, -+ .dev_groups = ssb_device_groups, - }; - - static void ssb_buses_lock(void) -@@ -590,6 +593,13 @@ static int ssb_attach_queued_buses(void) - ssb_pcicore_init(&bus->pcicore); - if (bus->bustype == SSB_BUSTYPE_SSB) - ssb_watchdog_register(bus); -+ -+ err = ssb_gpio_init(bus); -+ if (err == -ENOTSUPP) -+ ssb_dbg("GPIO driver not activated\n"); -+ else if (err) -+ ssb_dbg("Error registering GPIO driver: %i\n", err); -+ - ssb_bus_may_powerdown(bus); - - err = ssb_devices_register(bus); -@@ -827,11 +837,6 @@ static int ssb_bus_register(struct ssb_b - ssb_chipcommon_init(&bus->chipco); - ssb_extif_init(&bus->extif); - ssb_mipscore_init(&bus->mipscore); -- err = ssb_gpio_init(bus); -- if (err == -ENOTSUPP) -- ssb_dbg("GPIO driver not activated\n"); -- else if (err) -- ssb_dbg("Error registering GPIO driver: %i\n", err); - err = ssb_fetch_invariants(bus, get_invariants); - if (err) { - ssb_bus_may_powerdown(bus); ---- a/include/linux/ssb/ssb.h -+++ b/include/linux/ssb/ssb.h -@@ -33,6 +33,7 @@ struct ssb_sprom { - u8 et1phyaddr; /* MII address for enet1 */ - u8 et0mdcport; /* MDIO for enet0 */ - u8 et1mdcport; /* MDIO for enet1 */ -+ u16 dev_id; /* Device ID overriding e.g. PCI ID */ - u16 board_rev; /* Board revision number from SPROM. */ - u16 board_num; /* Board number from SPROM. */ - u16 board_type; /* Board type from SPROM. */ -@@ -486,6 +487,7 @@ struct ssb_bus { - #endif /* EMBEDDED */ - #ifdef CONFIG_SSB_DRIVER_GPIO - struct gpio_chip gpio; -+ struct irq_domain *irq_domain; - #endif /* DRIVER_GPIO */ - - /* Internal-only stuff follows. Do not touch. */ ---- a/include/linux/ssb/ssb_driver_gige.h -+++ b/include/linux/ssb/ssb_driver_gige.h -@@ -108,6 +108,16 @@ static inline int ssb_gige_get_macaddr(s - return 0; - } - -+/* Get the device phy address */ -+static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev) -+{ -+ struct ssb_gige *dev = pdev_to_ssb_gige(pdev); -+ if (!dev) -+ return -ENODEV; -+ -+ return dev->dev->bus->sprom.et0phyaddr; -+} -+ - extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, - struct pci_dev *pdev); - extern int ssb_gige_map_irq(struct ssb_device *sdev, -@@ -174,6 +184,10 @@ static inline int ssb_gige_get_macaddr(s - { - return -ENODEV; - } -+static inline int ssb_gige_get_phyaddr(struct pci_dev *pdev) -+{ -+ return -ENODEV; -+} - - #endif /* CONFIG_SSB_DRIVER_GIGE */ - #endif /* LINUX_SSB_DRIVER_GIGE_H_ */ ---- a/arch/mips/bcm47xx/sprom.c -+++ b/arch/mips/bcm47xx/sprom.c -@@ -168,6 +168,7 @@ static void nvram_read_alpha2(const char - static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom, - const char *prefix, bool fallback) - { -+ nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback); - nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback); - nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback); - nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback); |