From: Hauke Mehrtens Date: Fri, 22 Jul 2011 23:20:13 +0000 (+0200) Subject: bcm47xx: make it possible to build bcm47xx without ssb. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a656ffcbc7a98a80d2136ae6bbdd8ae2eb48c78a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git bcm47xx: make it possible to build bcm47xx without ssb. Signed-off-by: Hauke Mehrtens Acked-by: Ralf Baechle Signed-off-by: John W. Linville --- diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 177cdaf83564..0dbb4edc2dd1 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -91,15 +91,8 @@ config BCM47XX select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU - select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN - select SSB - select SSB_DRIVER_MIPS - select SSB_DRIVER_EXTIF - select SSB_EMBEDDED - select SSB_B43_PCI_BRIDGE if PCI - select SSB_PCICORE_HOSTMODE if PCI select GENERIC_GPIO select SYS_HAS_EARLY_PRINTK select CFE @@ -788,6 +781,7 @@ endchoice source "arch/mips/alchemy/Kconfig" source "arch/mips/ath79/Kconfig" +source "arch/mips/bcm47xx/Kconfig" source "arch/mips/bcm63xx/Kconfig" source "arch/mips/jazz/Kconfig" source "arch/mips/jz4740/Kconfig" diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig new file mode 100644 index 000000000000..0346f92d12a2 --- /dev/null +++ b/arch/mips/bcm47xx/Kconfig @@ -0,0 +1,18 @@ +if BCM47XX + +config BCM47XX_SSB + bool "SSB Support for Broadcom BCM47XX" + select SYS_HAS_CPU_MIPS32_R1 + select SSB + select SSB_DRIVER_MIPS + select SSB_DRIVER_EXTIF + select SSB_EMBEDDED + select SSB_B43_PCI_BRIDGE if PCI + select SSB_PCICORE_HOSTMODE if PCI + default y + help + Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support. + + This will generate an image with support for SSB and MIPS32 R1 instruction set. + +endif diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile index 7465e8a72d9a..4add17349ff9 100644 --- a/arch/mips/bcm47xx/Makefile +++ b/arch/mips/bcm47xx/Makefile @@ -3,4 +3,5 @@ # under Linux. # -obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o +obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o +obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c index 99e1c50caf6b..2b804c36750b 100644 --- a/arch/mips/bcm47xx/gpio.c +++ b/arch/mips/bcm47xx/gpio.c @@ -21,6 +21,7 @@ static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); int gpio_request(unsigned gpio, const char *tag) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) @@ -34,6 +35,7 @@ int gpio_request(unsigned gpio, const char *tag) return -EBUSY; return 0; +#endif } return -EINVAL; } @@ -42,6 +44,7 @@ EXPORT_SYMBOL(gpio_request); void gpio_free(unsigned gpio) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) @@ -53,6 +56,7 @@ void gpio_free(unsigned gpio) clear_bit(gpio, gpio_in_use); return; +#endif } } EXPORT_SYMBOL(gpio_free); @@ -60,6 +64,7 @@ EXPORT_SYMBOL(gpio_free); int gpio_to_irq(unsigned gpio) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco)) return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2; @@ -67,6 +72,7 @@ int gpio_to_irq(unsigned gpio) return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2; else return -EINVAL; +#endif } return -EINVAL; } diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c index bcac2ffd1248..4e994edb1425 100644 --- a/arch/mips/bcm47xx/nvram.c +++ b/arch/mips/bcm47xx/nvram.c @@ -26,7 +26,9 @@ static char nvram_buf[NVRAM_SPACE]; /* Probe for NVRAM header */ static void early_nvram_init(void) { +#ifdef CONFIG_BCM47XX_SSB struct ssb_mipscore *mcore_ssb; +#endif struct nvram_header *header; int i; u32 base = 0; @@ -35,11 +37,13 @@ static void early_nvram_init(void) u32 *src, *dst; switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: mcore_ssb = &bcm47xx_bus.ssb.mipscore; base = mcore_ssb->flash_window; lim = mcore_ssb->flash_window_size; break; +#endif } off = FLASH_MIN; diff --git a/arch/mips/bcm47xx/serial.c b/arch/mips/bcm47xx/serial.c index 17c67e24b549..fcef68836979 100644 --- a/arch/mips/bcm47xx/serial.c +++ b/arch/mips/bcm47xx/serial.c @@ -23,6 +23,7 @@ static struct platform_device uart8250_device = { }, }; +#ifdef CONFIG_BCM47XX_SSB static int __init uart8250_init_ssb(void) { int i; @@ -44,12 +45,15 @@ static int __init uart8250_init_ssb(void) } return platform_device_register(&uart8250_device); } +#endif static int __init uart8250_init(void) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: return uart8250_init_ssb(); +#endif } return -EINVAL; } diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 271cedb339ae..142cf1bc8884 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -47,9 +47,11 @@ static void bcm47xx_machine_restart(char *command) local_irq_disable(); /* Set the watchdog timer to reset immediately */ switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1); break; +#endif } while (1) cpu_relax(); @@ -60,14 +62,17 @@ static void bcm47xx_machine_halt(void) /* Disable interrupts and watchdog and spin forever */ local_irq_disable(); switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0); break; +#endif } while (1) cpu_relax(); } +#ifdef CONFIG_BCM47XX_SSB #define READ_FROM_NVRAM(_outvar, name, buf) \ if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\ sprom->_outvar = simple_strtoul(buf, NULL, 0); @@ -288,13 +293,16 @@ static void __init bcm47xx_register_ssb(void) } } } +#endif void __init plat_mem_setup(void) { struct cpuinfo_mips *c = ¤t_cpu_data; +#ifdef CONFIG_BCM47XX_SSB bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB; bcm47xx_register_ssb(); +#endif _machine_restart = bcm47xx_machine_restart; _machine_halt = bcm47xx_machine_halt; diff --git a/arch/mips/bcm47xx/time.c b/arch/mips/bcm47xx/time.c index 50aea2e1808c..03dfc65b1b60 100644 --- a/arch/mips/bcm47xx/time.c +++ b/arch/mips/bcm47xx/time.c @@ -40,9 +40,11 @@ void __init plat_time_init(void) write_c0_compare(0xffff); switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: hz = ssb_cpu_clock(&bcm47xx_bus.ssb.mipscore) / 2; break; +#endif } if (!hz) diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h index 7cf481bb1a05..d037afb6677e 100644 --- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h +++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h @@ -22,11 +22,15 @@ #include enum bcm47xx_bus_type { +#ifdef CONFIG_BCM47XX_SSB BCM47XX_BUS_TYPE_SSB, +#endif }; union bcm47xx_bus { +#ifdef CONFIG_BCM47XX_SSB struct ssb_bus ssb; +#endif }; extern union bcm47xx_bus bcm47xx_bus; diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h index 6b78827dd140..1d5f5af56b5f 100644 --- a/arch/mips/include/asm/mach-bcm47xx/gpio.h +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -22,8 +22,10 @@ extern int gpio_to_irq(unsigned gpio); static inline int gpio_get_value(unsigned gpio) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio); +#endif } return -EINVAL; } @@ -31,18 +33,22 @@ static inline int gpio_get_value(unsigned gpio) static inline void gpio_set_value(unsigned gpio, int value) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, value ? 1 << gpio : 0); +#endif } } static inline int gpio_direction_input(unsigned gpio) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0); return 0; +#endif } return -EINVAL; } @@ -50,6 +56,7 @@ static inline int gpio_direction_input(unsigned gpio) static inline int gpio_direction_output(unsigned gpio, int value) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: /* first set the gpio out value */ ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, @@ -57,6 +64,7 @@ static inline int gpio_direction_output(unsigned gpio, int value) /* then set the gpio mode */ ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio); return 0; +#endif } return -EINVAL; } @@ -64,10 +72,12 @@ static inline int gpio_direction_output(unsigned gpio, int value) static inline int gpio_intmask(unsigned gpio, int value) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio, value ? 1 << gpio : 0); return 0; +#endif } return -EINVAL; } @@ -75,10 +85,12 @@ static inline int gpio_intmask(unsigned gpio, int value) static inline int gpio_polarity(unsigned gpio, int value) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio, value ? 1 << gpio : 0); return 0; +#endif } return -EINVAL; } diff --git a/arch/mips/pci/pci-bcm47xx.c b/arch/mips/pci/pci-bcm47xx.c index 455f8e50a007..400535a955d0 100644 --- a/arch/mips/pci/pci-bcm47xx.c +++ b/arch/mips/pci/pci-bcm47xx.c @@ -25,6 +25,7 @@ #include #include #include +#include int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -33,9 +34,13 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) int pcibios_plat_dev_init(struct pci_dev *dev) { +#ifdef CONFIG_BCM47XX_SSB int res; u8 slot, pin; + if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB) + return 0; + res = ssb_pcibios_plat_dev_init(dev); if (res < 0) { printk(KERN_ALERT "PCI: Failed to init device %s\n", @@ -55,5 +60,6 @@ int pcibios_plat_dev_init(struct pci_dev *dev) } dev->irq = res; +#endif return 0; } diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c index c43406c48613..6b037024464f 100644 --- a/drivers/watchdog/bcm47xx_wdt.c +++ b/drivers/watchdog/bcm47xx_wdt.c @@ -55,17 +55,21 @@ static inline void bcm47xx_wdt_hw_start(void) { /* this is 2,5s on 100Mhz clock and 2s on 133 Mhz */ switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0xfffffff); break; +#endif } } static inline int bcm47xx_wdt_hw_stop(void) { switch (bcm47xx_bus_type) { +#ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: return ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0); +#endif } return -EINVAL; }