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@ -8,21 +8,92 @@ |
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int bcma_bus_register(struct bcma_bus *bus);
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void bcma_bus_unregister(struct bcma_bus *bus);
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int __init bcma_bus_early_register(struct bcma_bus *bus);
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@@ -101,6 +102,11 @@ static inline void __exit bcma_host_soc_
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@@ -42,6 +43,9 @@ int bcma_bus_scan(struct bcma_bus *bus);
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int bcma_sprom_get(struct bcma_bus *bus);
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/* driver_chipcommon.c */
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+void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
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+void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
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+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
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#ifdef CONFIG_BCMA_DRIVER_MIPS
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void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
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extern struct platform_device bcma_pflash_dev;
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@@ -52,6 +56,8 @@ int bcma_core_chipcommon_b_init(struct b
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void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb);
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/* driver_chipcommon_pmu.c */
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+void bcma_pmu_early_init(struct bcma_drv_cc *cc);
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+void bcma_pmu_init(struct bcma_drv_cc *cc);
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u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
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u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
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@@ -101,6 +107,14 @@ static inline void __exit bcma_host_soc_
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/* driver_pci.c */
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u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
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+void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
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+void bcma_core_pci_init(struct bcma_drv_pci *pc);
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+void bcma_core_pci_up(struct bcma_drv_pci *pc);
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+void bcma_core_pci_down(struct bcma_drv_pci *pc);
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+
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+/* driver_pcie2.c */
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+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
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+void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
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extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
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@@ -117,6 +131,39 @@ static inline void bcma_core_pci_hostmod
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}
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#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
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+/**************************************************
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+ * driver_mips.c
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+ **************************************************/
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+
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+#ifdef CONFIG_BCMA_DRIVER_MIPS
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+unsigned int bcma_core_mips_irq(struct bcma_device *dev);
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+void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
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+void bcma_core_mips_init(struct bcma_drv_mips *mcore);
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+#else
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+static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
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+{
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+ return 0;
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+}
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+static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
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+{
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+}
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+static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore)
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+{
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+}
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+#endif
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+
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+/**************************************************
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+ * driver_gmac_cmn.c
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+ **************************************************/
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+
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+#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN
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+void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
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+#else
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+static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc)
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+{
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+}
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+#endif
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+
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#ifdef CONFIG_BCMA_DRIVER_GPIO
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/* driver_gpio.c */
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int bcma_gpio_init(struct bcma_drv_cc *cc);
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--- a/drivers/bcma/driver_gpio.c
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+++ b/drivers/bcma/driver_gpio.c
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@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
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@@ -17,6 +17,8 @@
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#include "bcma_private.h"
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+#define BCMA_GPIO_MAX_PINS 32
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+
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static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip)
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{
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return container_of(chip, struct bcma_drv_cc, gpio);
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@@ -76,7 +78,7 @@ static void bcma_gpio_free(struct gpio_c
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bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
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}
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@ -31,7 +102,15 @@ |
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static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
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{
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struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
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@@ -215,7 +215,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
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@@ -204,6 +206,7 @@ static void bcma_gpio_irq_domain_exit(st
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int bcma_gpio_init(struct bcma_drv_cc *cc)
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{
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+ struct bcma_bus *bus = cc->core->bus;
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struct gpio_chip *chip = &cc->gpio;
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int err;
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@@ -215,14 +218,14 @@ int bcma_gpio_init(struct bcma_drv_cc *c
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chip->set = bcma_gpio_set_value;
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chip->direction_input = bcma_gpio_direction_input;
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chip->direction_output = bcma_gpio_direction_output;
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@ -40,6 +119,39 @@ |
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chip->to_irq = bcma_gpio_to_irq;
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#endif
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#if IS_BUILTIN(CONFIG_OF)
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if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
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chip->of_node = cc->core->dev.of_node;
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#endif
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- switch (cc->core->bus->chipinfo.id) {
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+ switch (bus->chipinfo.id) {
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case BCMA_CHIP_ID_BCM5357:
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case BCMA_CHIP_ID_BCM53572:
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chip->ngpio = 32;
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@@ -231,13 +234,17 @@ int bcma_gpio_init(struct bcma_drv_cc *c
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chip->ngpio = 16;
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}
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- /* There is just one SoC in one device and its GPIO addresses should be
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- * deterministic to address them more easily. The other buses could get
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- * a random base number. */
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- if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
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- chip->base = 0;
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- else
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- chip->base = -1;
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+ /*
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+ * On MIPS we register GPIO devices (LEDs, buttons) using absolute GPIO
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+ * pin numbers. We don't have Device Tree there and we can't really use
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+ * relative (per chip) numbers.
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+ * So let's use predictable base for BCM47XX and "random" for all other.
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+ */
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+#if IS_BUILTIN(CONFIG_BCM47XX)
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+ chip->base = bus->num * BCMA_GPIO_MAX_PINS;
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+#else
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+ chip->base = -1;
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+#endif
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err = bcma_gpio_irq_domain_init(cc);
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if (err)
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--- a/drivers/bcma/driver_pci.c
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+++ b/drivers/bcma/driver_pci.c
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@@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
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@ -318,22 +430,33 @@ |
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}
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--- a/include/linux/bcma/bcma.h
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+++ b/include/linux/bcma/bcma.h
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@@ -434,6 +434,9 @@ static inline struct bcma_device *bcma_f
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@@ -434,6 +434,18 @@ static inline struct bcma_device *bcma_f
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return bcma_find_core_unit(bus, coreid, 0);
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}
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+#ifdef CONFIG_BCMA_HOST_PCI
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+extern void bcma_host_pci_up(struct bcma_bus *bus);
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+extern void bcma_host_pci_down(struct bcma_bus *bus);
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+#else
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+static inline void bcma_host_pci_up(struct bcma_bus *bus)
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+{
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+}
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+static inline void bcma_host_pci_down(struct bcma_bus *bus)
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+{
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+}
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+#endif
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+
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extern bool bcma_core_is_enabled(struct bcma_device *core);
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extern void bcma_core_disable(struct bcma_device *core, u32 flags);
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extern int bcma_core_enable(struct bcma_device *core, u32 flags);
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--- a/include/linux/bcma/bcma_driver_pci.h
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+++ b/include/linux/bcma/bcma_driver_pci.h
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@@ -240,10 +240,8 @@ struct bcma_drv_pci {
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@@ -238,12 +238,8 @@ struct bcma_drv_pci {
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#define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
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#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
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extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
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extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
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-extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
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-extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
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-extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
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+extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
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struct bcma_device *core, bool enable);
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|
@ -353,3 +476,128 @@ |
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};
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|
#define pcie2_read16(pcie2, offset) bcma_read16((pcie2)->core, offset)
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@@ -153,6 +155,4 @@ struct bcma_drv_pcie2 {
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#define pcie2_set32(pcie2, offset, set) bcma_set32((pcie2)->core, offset, set)
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#define pcie2_mask32(pcie2, offset, mask) bcma_mask32((pcie2)->core, offset, mask)
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-void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
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-
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#endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */
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|
|
--- a/drivers/bcma/Kconfig
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|
+++ b/drivers/bcma/Kconfig
|
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@@ -1,6 +1,6 @@
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|
config BCMA_POSSIBLE
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|
bool
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|
- depends on HAS_IOMEM && HAS_DMA
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|
+ depends on HAS_IOMEM && HAS_DMA && PCI
|
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|
default y
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|
menu "Broadcom specific AMBA"
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|
@@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE
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|
|
config BCMA_HOST_PCI
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|
|
bool "Support for BCMA on PCI-host bus"
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|
|
depends on BCMA_HOST_PCI_POSSIBLE
|
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|
+ select BCMA_DRIVER_PCI
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|
default y
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|
|
config BCMA_DRIVER_PCI_HOSTMODE
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|
@@ -44,6 +45,22 @@ config BCMA_HOST_SOC
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If unsure, say N
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|
+# TODO: make it depend on PCI when ready
|
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|
|
+config BCMA_DRIVER_PCI
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|
|
+ bool
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|
+ default y
|
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|
+ help
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|
|
+ BCMA bus may have many versions of PCIe core. This driver
|
|
|
|
|
+ supports:
|
|
|
|
|
+ 1) PCIe core working in clientmode
|
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|
|
|
+ 2) PCIe Gen 2 clientmode core
|
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|
|
|
+
|
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|
|
+ In general PCIe (Gen 2) clientmode core is required on PCIe
|
|
|
|
|
+ hosted buses. It's responsible for initialization and basic
|
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|
|
|
+ hardware management.
|
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|
|
+ This driver is also prerequisite for a hostmode PCIe core
|
|
|
|
|
+ support.
|
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|
|
|
+
|
|
|
|
|
config BCMA_DRIVER_MIPS
|
|
|
|
|
bool "BCMA Broadcom MIPS core driver"
|
|
|
|
|
depends on BCMA && MIPS
|
|
|
|
|
--- a/drivers/bcma/Makefile
|
|
|
|
|
+++ b/drivers/bcma/Makefile
|
|
|
|
|
@@ -3,8 +3,8 @@ bcma-y += driver_chipcommon.o driver
|
|
|
|
|
bcma-y += driver_chipcommon_b.o
|
|
|
|
|
bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
|
|
|
|
|
bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o
|
|
|
|
|
-bcma-y += driver_pci.o
|
|
|
|
|
-bcma-y += driver_pcie2.o
|
|
|
|
|
+bcma-$(CONFIG_BCMA_DRIVER_PCI) += driver_pci.o
|
|
|
|
|
+bcma-$(CONFIG_BCMA_DRIVER_PCI) += driver_pcie2.o
|
|
|
|
|
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
|
|
|
|
|
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
|
|
|
|
|
bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
|
|
|
|
|
--- a/include/linux/bcma/bcma_driver_chipcommon.h
|
|
|
|
|
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
|
|
|
|
|
@@ -663,14 +663,6 @@ struct bcma_drv_cc_b {
|
|
|
|
|
#define bcma_cc_maskset32(cc, offset, mask, set) \
|
|
|
|
|
bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set))
|
|
|
|
|
|
|
|
|
|
-extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
|
|
|
|
|
-extern void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
|
|
|
|
|
-
|
|
|
|
|
-extern void bcma_chipco_suspend(struct bcma_drv_cc *cc);
|
|
|
|
|
-extern void bcma_chipco_resume(struct bcma_drv_cc *cc);
|
|
|
|
|
-
|
|
|
|
|
-void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
|
|
|
|
|
-
|
|
|
|
|
extern u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks);
|
|
|
|
|
|
|
|
|
|
extern u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc);
|
|
|
|
|
@@ -690,9 +682,6 @@ u32 bcma_chipco_gpio_pullup(struct bcma_
|
|
|
|
|
u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value);
|
|
|
|
|
|
|
|
|
|
/* PMU support */
|
|
|
|
|
-extern void bcma_pmu_init(struct bcma_drv_cc *cc);
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-extern void bcma_pmu_early_init(struct bcma_drv_cc *cc);
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-
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extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset,
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u32 value);
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extern void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset,
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--- a/include/linux/bcma/bcma_driver_gmac_cmn.h
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+++ b/include/linux/bcma/bcma_driver_gmac_cmn.h
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@@ -91,10 +91,4 @@ struct bcma_drv_gmac_cmn {
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#define gmac_cmn_write16(gc, offset, val) bcma_write16((gc)->core, offset, val)
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#define gmac_cmn_write32(gc, offset, val) bcma_write32((gc)->core, offset, val)
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-#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN
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-extern void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
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-#else
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-static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc) { }
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-#endif
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-
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#endif /* LINUX_BCMA_DRIVER_GMAC_CMN_H_ */
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--- a/include/linux/bcma/bcma_driver_mips.h
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+++ b/include/linux/bcma/bcma_driver_mips.h
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@@ -39,21 +39,6 @@ struct bcma_drv_mips {
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u8 early_setup_done:1;
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};
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-#ifdef CONFIG_BCMA_DRIVER_MIPS
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-extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
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-extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
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-
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-extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
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-#else
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-static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
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-static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
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-
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-static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
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-{
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- return 0;
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-}
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-#endif
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-
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extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
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#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */
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Rafał Miłecki
10 years ago