diff options
Diffstat (limited to 'drivers/ssb')
| -rw-r--r-- | drivers/ssb/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/ssb/Makefile | 3 | ||||
| -rw-r--r-- | drivers/ssb/bridge_pcmcia_80211.c | 128 | ||||
| -rw-r--r-- | drivers/ssb/host_soc.c | 173 | ||||
| -rw-r--r-- | drivers/ssb/main.c | 173 | ||||
| -rw-r--r-- | drivers/ssb/pcmcia.c | 3 | ||||
| -rw-r--r-- | drivers/ssb/sdio.c | 2 | ||||
| -rw-r--r-- | drivers/ssb/ssb_private.h | 34 |
8 files changed, 340 insertions, 185 deletions
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index f0d22cdb51cd..149214beeda9 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -80,6 +80,15 @@ config SSB_SDIOHOST If unsure, say N +config SSB_HOST_SOC + bool "Support for SSB bus on SoC" + depends on SSB + help + Host interface for a SSB directly mapped into memory. This is + for some Broadcom SoCs from the BCM47xx and BCM53xx lines. + + If unsure, say N + config SSB_SILENT bool "No SSB kernel messages" depends on SSB && EXPERT diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index b1ddc116d387..64a09681cee0 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -5,8 +5,9 @@ ssb-$(CONFIG_SSB_SPROM) += sprom.o # host support ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o -ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o +ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o bridge_pcmcia_80211.o ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o +ssb-$(CONFIG_SSB_HOST_SOC) += host_soc.o # built-in drivers ssb-y += driver_chipcommon.o diff --git a/drivers/ssb/bridge_pcmcia_80211.c b/drivers/ssb/bridge_pcmcia_80211.c new file mode 100644 index 000000000000..d70568ea02d5 --- /dev/null +++ b/drivers/ssb/bridge_pcmcia_80211.c @@ -0,0 +1,128 @@ +/* + * Broadcom 43xx PCMCIA-SSB bridge module + * + * Copyright (c) 2007 Michael Buesch <m@bues.ch> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/ssb/ssb.h> +#include <linux/slab.h> +#include <linux/module.h> + +#include <pcmcia/cistpl.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> +#include <pcmcia/cisreg.h> + +#include "ssb_private.h" + +static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = { + PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448), + PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476), + PCMCIA_DEVICE_NULL, +}; + +MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl); + +static int ssb_host_pcmcia_probe(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb; + int err = -ENOMEM; + int res = 0; + + ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); + if (!ssb) + goto out_error; + + err = -ENODEV; + + dev->config_flags |= CONF_ENABLE_IRQ; + + dev->resource[2]->flags |= WIN_ENABLE | WIN_DATA_WIDTH_16 | + WIN_USE_WAIT; + dev->resource[2]->start = 0; + dev->resource[2]->end = SSB_CORE_SIZE; + res = pcmcia_request_window(dev, dev->resource[2], 250); + if (res != 0) + goto err_kfree_ssb; + + res = pcmcia_map_mem_page(dev, dev->resource[2], 0); + if (res != 0) + goto err_disable; + + if (!dev->irq) + goto err_disable; + + res = pcmcia_enable_device(dev); + if (res != 0) + goto err_disable; + + err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start); + if (err) + goto err_disable; + dev->priv = ssb; + + return 0; + +err_disable: + pcmcia_disable_device(dev); +err_kfree_ssb: + kfree(ssb); +out_error: + ssb_err("Initialization failed (%d, %d)\n", res, err); + return err; +} + +static void ssb_host_pcmcia_remove(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb = dev->priv; + + ssb_bus_unregister(ssb); + pcmcia_disable_device(dev); + kfree(ssb); + dev->priv = NULL; +} + +#ifdef CONFIG_PM +static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb = dev->priv; + + return ssb_bus_suspend(ssb); +} + +static int ssb_host_pcmcia_resume(struct pcmcia_device *dev) +{ + struct ssb_bus *ssb = dev->priv; + + return ssb_bus_resume(ssb); +} +#else /* CONFIG_PM */ +# define ssb_host_pcmcia_suspend NULL +# define ssb_host_pcmcia_resume NULL +#endif /* CONFIG_PM */ + +static struct pcmcia_driver ssb_host_pcmcia_driver = { + .owner = THIS_MODULE, + .name = "ssb-pcmcia", + .id_table = ssb_host_pcmcia_tbl, + .probe = ssb_host_pcmcia_probe, + .remove = ssb_host_pcmcia_remove, + .suspend = ssb_host_pcmcia_suspend, + .resume = ssb_host_pcmcia_resume, +}; + +/* + * These are not module init/exit functions! + * The module_pcmcia_driver() helper cannot be used here. + */ +int ssb_host_pcmcia_init(void) +{ + return pcmcia_register_driver(&ssb_host_pcmcia_driver); +} + +void ssb_host_pcmcia_exit(void) +{ + pcmcia_unregister_driver(&ssb_host_pcmcia_driver); +} diff --git a/drivers/ssb/host_soc.c b/drivers/ssb/host_soc.c new file mode 100644 index 000000000000..c809f255af34 --- /dev/null +++ b/drivers/ssb/host_soc.c @@ -0,0 +1,173 @@ +/* + * Sonics Silicon Backplane SoC host related functions. + * Subsystem core + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch <m@bues.ch> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/ssb/ssb.h> + +#include "ssb_private.h" + +static u8 ssb_host_soc_read8(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + return readb(bus->mmio + offset); +} + +static u16 ssb_host_soc_read16(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + return readw(bus->mmio + offset); +} + +static u32 ssb_host_soc_read32(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + return readl(bus->mmio + offset); +} + +#ifdef CONFIG_SSB_BLOCKIO +static void ssb_host_soc_block_read(struct ssb_device *dev, void *buffer, + size_t count, u16 offset, u8 reg_width) +{ + struct ssb_bus *bus = dev->bus; + void __iomem *addr; + + offset += dev->core_index * SSB_CORE_SIZE; + addr = bus->mmio + offset; + + switch (reg_width) { + case sizeof(u8): { + u8 *buf = buffer; + + while (count) { + *buf = __raw_readb(addr); + buf++; + count--; + } + break; + } + case sizeof(u16): { + __le16 *buf = buffer; + + SSB_WARN_ON(count & 1); + while (count) { + *buf = (__force __le16)__raw_readw(addr); + buf++; + count -= 2; + } + break; + } + case sizeof(u32): { + __le32 *buf = buffer; + + SSB_WARN_ON(count & 3); + while (count) { + *buf = (__force __le32)__raw_readl(addr); + buf++; + count -= 4; + } + break; + } + default: + SSB_WARN_ON(1); + } +} +#endif /* CONFIG_SSB_BLOCKIO */ + +static void ssb_host_soc_write8(struct ssb_device *dev, u16 offset, u8 value) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + writeb(value, bus->mmio + offset); +} + +static void ssb_host_soc_write16(struct ssb_device *dev, u16 offset, u16 value) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + writew(value, bus->mmio + offset); +} + +static void ssb_host_soc_write32(struct ssb_device *dev, u16 offset, u32 value) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + writel(value, bus->mmio + offset); +} + +#ifdef CONFIG_SSB_BLOCKIO +static void ssb_host_soc_block_write(struct ssb_device *dev, const void *buffer, + size_t count, u16 offset, u8 reg_width) +{ + struct ssb_bus *bus = dev->bus; + void __iomem *addr; + + offset += dev->core_index * SSB_CORE_SIZE; + addr = bus->mmio + offset; + + switch (reg_width) { + case sizeof(u8): { + const u8 *buf = buffer; + + while (count) { + __raw_writeb(*buf, addr); + buf++; + count--; + } + break; + } + case sizeof(u16): { + const __le16 *buf = buffer; + + SSB_WARN_ON(count & 1); + while (count) { + __raw_writew((__force u16)(*buf), addr); + buf++; + count -= 2; + } + break; + } + case sizeof(u32): { + const __le32 *buf = buffer; + + SSB_WARN_ON(count & 3); + while (count) { + __raw_writel((__force u32)(*buf), addr); + buf++; + count -= 4; + } + break; + } + default: + SSB_WARN_ON(1); + } +} +#endif /* CONFIG_SSB_BLOCKIO */ + +/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */ +const struct ssb_bus_ops ssb_host_soc_ops = { + .read8 = ssb_host_soc_read8, + .read16 = ssb_host_soc_read16, + .read32 = ssb_host_soc_read32, + .write8 = ssb_host_soc_write8, + .write16 = ssb_host_soc_write16, + .write32 = ssb_host_soc_write32, +#ifdef CONFIG_SSB_BLOCKIO + .block_read = ssb_host_soc_block_read, + .block_write = ssb_host_soc_block_write, +#endif +}; diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index a48a7439a206..5d1e9a0fc389 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -596,166 +596,6 @@ error: return err; } -static u8 ssb_ssb_read8(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - return readb(bus->mmio + offset); -} - -static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - return readw(bus->mmio + offset); -} - -static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - return readl(bus->mmio + offset); -} - -#ifdef CONFIG_SSB_BLOCKIO -static void ssb_ssb_block_read(struct ssb_device *dev, void *buffer, - size_t count, u16 offset, u8 reg_width) -{ - struct ssb_bus *bus = dev->bus; - void __iomem *addr; - - offset += dev->core_index * SSB_CORE_SIZE; - addr = bus->mmio + offset; - - switch (reg_width) { - case sizeof(u8): { - u8 *buf = buffer; - - while (count) { - *buf = __raw_readb(addr); - buf++; - count--; - } - break; - } - case sizeof(u16): { - __le16 *buf = buffer; - - SSB_WARN_ON(count & 1); - while (count) { - *buf = (__force __le16)__raw_readw(addr); - buf++; - count -= 2; - } - break; - } - case sizeof(u32): { - __le32 *buf = buffer; - - SSB_WARN_ON(count & 3); - while (count) { - *buf = (__force __le32)__raw_readl(addr); - buf++; - count -= 4; - } - break; - } - default: - SSB_WARN_ON(1); - } -} -#endif /* CONFIG_SSB_BLOCKIO */ - -static void ssb_ssb_write8(struct ssb_device *dev, u16 offset, u8 value) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - writeb(value, bus->mmio + offset); -} - -static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - writew(value, bus->mmio + offset); -} - -static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - writel(value, bus->mmio + offset); -} - -#ifdef CONFIG_SSB_BLOCKIO -static void ssb_ssb_block_write(struct ssb_device *dev, const void *buffer, - size_t count, u16 offset, u8 reg_width) -{ - struct ssb_bus *bus = dev->bus; - void __iomem *addr; - - offset += dev->core_index * SSB_CORE_SIZE; - addr = bus->mmio + offset; - - switch (reg_width) { - case sizeof(u8): { - const u8 *buf = buffer; - - while (count) { - __raw_writeb(*buf, addr); - buf++; - count--; - } - break; - } - case sizeof(u16): { - const __le16 *buf = buffer; - - SSB_WARN_ON(count & 1); - while (count) { - __raw_writew((__force u16)(*buf), addr); - buf++; - count -= 2; - } - break; - } - case sizeof(u32): { - const __le32 *buf = buffer; - - SSB_WARN_ON(count & 3); - while (count) { - __raw_writel((__force u32)(*buf), addr); - buf++; - count -= 4; - } - break; - } - default: - SSB_WARN_ON(1); - } -} -#endif /* CONFIG_SSB_BLOCKIO */ - -/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */ -static const struct ssb_bus_ops ssb_ssb_ops = { - .read8 = ssb_ssb_read8, - .read16 = ssb_ssb_read16, - .read32 = ssb_ssb_read32, - .write8 = ssb_ssb_write8, - .write16 = ssb_ssb_write16, - .write32 = ssb_ssb_write32, -#ifdef CONFIG_SSB_BLOCKIO - .block_read = ssb_ssb_block_read, - .block_write = ssb_ssb_block_write, -#endif -}; - static int ssb_fetch_invariants(struct ssb_bus *bus, ssb_invariants_func_t get_invariants) { @@ -876,7 +716,6 @@ int ssb_bus_pcibus_register(struct ssb_bus *bus, struct pci_dev *host_pci) return err; } -EXPORT_SYMBOL(ssb_bus_pcibus_register); #endif /* CONFIG_SSB_PCIHOST */ #ifdef CONFIG_SSB_PCMCIAHOST @@ -898,7 +737,6 @@ int ssb_bus_pcmciabus_register(struct ssb_bus *bus, return err; } -EXPORT_SYMBOL(ssb_bus_pcmciabus_register); #endif /* CONFIG_SSB_PCMCIAHOST */ #ifdef CONFIG_SSB_SDIOHOST @@ -923,13 +761,14 @@ int ssb_bus_sdiobus_register(struct ssb_bus *bus, struct sdio_func *func, EXPORT_SYMBOL(ssb_bus_sdiobus_register); #endif /* CONFIG_SSB_PCMCIAHOST */ +#ifdef CONFIG_SSB_HOST_SOC int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr, ssb_invariants_func_t get_invariants) { int err; bus->bustype = SSB_BUSTYPE_SSB; - bus->ops = &ssb_ssb_ops; + bus->ops = &ssb_host_soc_ops; err = ssb_bus_register(bus, get_invariants, baseaddr); if (!err) { @@ -939,6 +778,7 @@ int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr, return err; } +#endif int __ssb_driver_register(struct ssb_driver *drv, struct module *owner) { @@ -1465,6 +1305,12 @@ static int __init ssb_modinit(void) /* don't fail SSB init because of this */ err = 0; } + err = ssb_host_pcmcia_init(); + if (err) { + ssb_err("PCMCIA host initialization failed\n"); + /* don't fail SSB init because of this */ + err = 0; + } err = ssb_gige_init(); if (err) { ssb_err("SSB Broadcom Gigabit Ethernet driver initialization failed\n"); @@ -1482,6 +1328,7 @@ fs_initcall(ssb_modinit); static void __exit ssb_modexit(void) { ssb_gige_exit(); + ssb_host_pcmcia_exit(); b43_pci_ssb_bridge_exit(); bus_unregister(&ssb_bustype); } diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c index b413e0187087..f03422bbf087 100644 --- a/drivers/ssb/pcmcia.c +++ b/drivers/ssb/pcmcia.c @@ -147,8 +147,7 @@ error: return err; } -int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) +static int ssb_pcmcia_switch_core(struct ssb_bus *bus, struct ssb_device *dev) { int err; diff --git a/drivers/ssb/sdio.c b/drivers/ssb/sdio.c index b2d36f7736c5..2278e43614bd 100644 --- a/drivers/ssb/sdio.c +++ b/drivers/ssb/sdio.c @@ -200,7 +200,7 @@ out: } /* host must be already claimed */ -int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev) +static int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev) { u8 coreidx = dev->core_index; u32 sbaddr; diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index eb507a50a564..15bfd5c7d2d7 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -85,8 +85,6 @@ static inline int ssb_pci_init(struct ssb_bus *bus) /* pcmcia.c */ #ifdef CONFIG_SSB_PCMCIAHOST -extern int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev); extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, u8 coreidx); extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus, @@ -96,13 +94,10 @@ extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus, extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus); extern void ssb_pcmcia_exit(struct ssb_bus *bus); extern int ssb_pcmcia_init(struct ssb_bus *bus); +extern int ssb_host_pcmcia_init(void); +extern void ssb_host_pcmcia_exit(void); extern const struct ssb_bus_ops ssb_pcmcia_ops; #else /* CONFIG_SSB_PCMCIAHOST */ -static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - return 0; -} static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, u8 coreidx) { @@ -124,6 +119,13 @@ static inline int ssb_pcmcia_init(struct ssb_bus *bus) { return 0; } +static inline int ssb_host_pcmcia_init(void) +{ + return 0; +} +static inline void ssb_host_pcmcia_exit(void) +{ +} #endif /* CONFIG_SSB_PCMCIAHOST */ /* sdio.c */ @@ -132,9 +134,7 @@ extern int ssb_sdio_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv); extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset); -extern int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev); extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx); -extern int ssb_sdio_hardware_setup(struct ssb_bus *bus); extern void ssb_sdio_exit(struct ssb_bus *bus); extern int ssb_sdio_init(struct ssb_bus *bus); @@ -144,19 +144,10 @@ static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset) { return 0; } -static inline int ssb_sdio_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - return 0; -} static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx) { return 0; } -static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus) -{ - return 0; -} static inline void ssb_sdio_exit(struct ssb_bus *bus) { } @@ -166,6 +157,13 @@ static inline int ssb_sdio_init(struct ssb_bus *bus) } #endif /* CONFIG_SSB_SDIOHOST */ +/************************************************** + * host_soc.c + **************************************************/ + +#ifdef CONFIG_SSB_HOST_SOC +extern const struct ssb_bus_ops ssb_host_soc_ops; +#endif /* scan.c */ extern const char *ssb_core_name(u16 coreid); |
