kernel: update bcma with most patches from wireless-drivers-next

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44955 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 255 insertions, 7 deletions

diff --git a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
index d43b48f1ff..83d1f31f42 100644
--- a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
+++ b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch
@@ -8,21 +8,92 @@
  int bcma_bus_register(struct bcma_bus *bus);
  void bcma_bus_unregister(struct bcma_bus *bus);
  int __init bcma_bus_early_register(struct bcma_bus *bus);
-@@ -101,6 +102,11 @@ static inline void __exit bcma_host_soc_
+@@ -42,6 +43,9 @@ int bcma_bus_scan(struct bcma_bus *bus);
+ int bcma_sprom_get(struct bcma_bus *bus);
+ 
+ /* driver_chipcommon.c */
++void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
++void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
++void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+ extern struct platform_device bcma_pflash_dev;
+@@ -52,6 +56,8 @@ int bcma_core_chipcommon_b_init(struct b
+ void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb);
+ 
+ /* driver_chipcommon_pmu.c */
++void bcma_pmu_early_init(struct bcma_drv_cc *cc);
++void bcma_pmu_init(struct bcma_drv_cc *cc);
+ u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
+ u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
+ 
+@@ -101,6 +107,14 @@ static inline void __exit bcma_host_soc_
  
  /* driver_pci.c */
  u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
++void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
++void bcma_core_pci_init(struct bcma_drv_pci *pc);
 +void bcma_core_pci_up(struct bcma_drv_pci *pc);
 +void bcma_core_pci_down(struct bcma_drv_pci *pc);
 +
 +/* driver_pcie2.c */
++void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
 +void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
  
  extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
  
+@@ -117,6 +131,39 @@ static inline void bcma_core_pci_hostmod
+ }
+ #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+ 
++/**************************************************
++ * driver_mips.c
++ **************************************************/
++
++#ifdef CONFIG_BCMA_DRIVER_MIPS
++unsigned int bcma_core_mips_irq(struct bcma_device *dev);
++void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
++void bcma_core_mips_init(struct bcma_drv_mips *mcore);
++#else
++static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
++{
++	return 0;
++}
++static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
++{
++}
++static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore)
++{
++}
++#endif
++
++/**************************************************
++ * driver_gmac_cmn.c
++ **************************************************/
++
++#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN
++void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
++#else
++static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc)
++{
++}
++#endif
++
+ #ifdef CONFIG_BCMA_DRIVER_GPIO
+ /* driver_gpio.c */
+ int bcma_gpio_init(struct bcma_drv_cc *cc);
 --- a/drivers/bcma/driver_gpio.c
 +++ b/drivers/bcma/driver_gpio.c
-@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
+@@ -17,6 +17,8 @@
+ 
+ #include "bcma_private.h"
+ 
++#define BCMA_GPIO_MAX_PINS	32
++
+ static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip)
+ {
+ 	return container_of(chip, struct bcma_drv_cc, gpio);
+@@ -76,7 +78,7 @@ static void bcma_gpio_free(struct gpio_c
  	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
  }
  
@@ -31,7 +102,15 @@
  static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
  {
  	struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
-@@ -215,7 +215,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+@@ -204,6 +206,7 @@ static void bcma_gpio_irq_domain_exit(st
+ 
+ int bcma_gpio_init(struct bcma_drv_cc *cc)
+ {
++	struct bcma_bus *bus = cc->core->bus;
+ 	struct gpio_chip *chip = &cc->gpio;
+ 	int err;
+ 
+@@ -215,14 +218,14 @@ int bcma_gpio_init(struct bcma_drv_cc *c
  	chip->set		= bcma_gpio_set_value;
  	chip->direction_input	= bcma_gpio_direction_input;
  	chip->direction_output	= bcma_gpio_direction_output;
@@ -40,6 +119,39 @@
  	chip->to_irq		= bcma_gpio_to_irq;
  #endif
  #if IS_BUILTIN(CONFIG_OF)
+ 	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
+ 		chip->of_node	= cc->core->dev.of_node;
+ #endif
+-	switch (cc->core->bus->chipinfo.id) {
++	switch (bus->chipinfo.id) {
+ 	case BCMA_CHIP_ID_BCM5357:
+ 	case BCMA_CHIP_ID_BCM53572:
+ 		chip->ngpio	= 32;
+@@ -231,13 +234,17 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ 		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
+-	 * a random base number. */
+-	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
+-		chip->base		= 0;
+-	else
+-		chip->base		= -1;
++	/*
++	 * On MIPS we register GPIO devices (LEDs, buttons) using absolute GPIO
++	 * pin numbers. We don't have Device Tree there and we can't really use
++	 * relative (per chip) numbers.
++	 * So let's use predictable base for BCM47XX and "random" for all other.
++	 */
++#if IS_BUILTIN(CONFIG_BCM47XX)
++	chip->base		= bus->num * BCMA_GPIO_MAX_PINS;
++#else
++	chip->base		= -1;
++#endif
+ 
+ 	err = bcma_gpio_irq_domain_init(cc);
+ 	if (err)
 --- a/drivers/bcma/driver_pci.c
 +++ b/drivers/bcma/driver_pci.c
 @@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
@@ -318,22 +430,33 @@
  	}
 --- a/include/linux/bcma/bcma.h
 +++ b/include/linux/bcma/bcma.h
-@@ -434,6 +434,9 @@ static inline struct bcma_device *bcma_f
+@@ -434,6 +434,18 @@ static inline struct bcma_device *bcma_f
  	return bcma_find_core_unit(bus, coreid, 0);
  }
  
++#ifdef CONFIG_BCMA_HOST_PCI
 +extern void bcma_host_pci_up(struct bcma_bus *bus);
 +extern void bcma_host_pci_down(struct bcma_bus *bus);
++#else
++static inline void bcma_host_pci_up(struct bcma_bus *bus)
++{
++}
++static inline void bcma_host_pci_down(struct bcma_bus *bus)
++{
++}
++#endif
 +
  extern bool bcma_core_is_enabled(struct bcma_device *core);
  extern void bcma_core_disable(struct bcma_device *core, u32 flags);
  extern int bcma_core_enable(struct bcma_device *core, u32 flags);
 --- a/include/linux/bcma/bcma_driver_pci.h
 +++ b/include/linux/bcma/bcma_driver_pci.h
-@@ -240,10 +240,8 @@ struct bcma_drv_pci {
+@@ -238,12 +238,8 @@ struct bcma_drv_pci {
+ #define pcicore_write16(pc, offset, val)	bcma_write16((pc)->core, offset, val)
+ #define pcicore_write32(pc, offset, val)	bcma_write32((pc)->core, offset, val)
  
- extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
- extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
+-extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
+-extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
 -extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
 +extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
  				 struct bcma_device *core, bool enable);
@@ -353,3 +476,128 @@
  };
  
  #define pcie2_read16(pcie2, offset)		bcma_read16((pcie2)->core, offset)
+@@ -153,6 +155,4 @@ struct bcma_drv_pcie2 {
+ #define pcie2_set32(pcie2, offset, set)		bcma_set32((pcie2)->core, offset, set)
+ #define pcie2_mask32(pcie2, offset, mask)	bcma_mask32((pcie2)->core, offset, mask)
+ 
+-void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
+-
+ #endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */
+--- a/drivers/bcma/Kconfig
++++ b/drivers/bcma/Kconfig
+@@ -1,6 +1,6 @@
+ config BCMA_POSSIBLE
+ 	bool
+-	depends on HAS_IOMEM && HAS_DMA
++	depends on HAS_IOMEM && HAS_DMA && PCI
+ 	default y
+ 
+ menu "Broadcom specific AMBA"
+@@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE
+ config BCMA_HOST_PCI
+ 	bool "Support for BCMA on PCI-host bus"
+ 	depends on BCMA_HOST_PCI_POSSIBLE
++	select BCMA_DRIVER_PCI
+ 	default y
+ 
+ config BCMA_DRIVER_PCI_HOSTMODE
+@@ -44,6 +45,22 @@ config BCMA_HOST_SOC
+ 
+ 	  If unsure, say N
+ 
++# TODO: make it depend on PCI when ready
++config BCMA_DRIVER_PCI
++	bool
++	default y
++	help
++	  BCMA bus may have many versions of PCIe core. This driver
++	  supports:
++	  1) PCIe core working in clientmode
++	  2) PCIe Gen 2 clientmode core
++
++	  In general PCIe (Gen 2) clientmode core is required on PCIe
++	  hosted buses. It's responsible for initialization and basic
++	  hardware management.
++	  This driver is also prerequisite for a hostmode PCIe core
++	  support.
++
+ 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);
+-extern void bcma_pmu_early_init(struct bcma_drv_cc *cc);
+-
+ extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset,
+ 				  u32 value);
+ extern void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset,
+--- a/include/linux/bcma/bcma_driver_gmac_cmn.h
++++ b/include/linux/bcma/bcma_driver_gmac_cmn.h
+@@ -91,10 +91,4 @@ struct bcma_drv_gmac_cmn {
+ #define gmac_cmn_write16(gc, offset, val)	bcma_write16((gc)->core, offset, val)
+ #define gmac_cmn_write32(gc, offset, val)	bcma_write32((gc)->core, offset, val)
+ 
+-#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN
+-extern void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
+-#else
+-static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc) { }
+-#endif
+-
+ #endif /* LINUX_BCMA_DRIVER_GMAC_CMN_H_ */
+--- a/include/linux/bcma/bcma_driver_mips.h
++++ b/include/linux/bcma/bcma_driver_mips.h
+@@ -39,21 +39,6 @@ struct bcma_drv_mips {
+ 	u8 early_setup_done:1;
+ };
+ 
+-#ifdef CONFIG_BCMA_DRIVER_MIPS
+-extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
+-extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
+-
+-extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+-#else
+-static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
+-static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
+-
+-static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+-{
+-	return 0;
+-}
+-#endif
+-
+ extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
+ 
+ #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */