diff options
Diffstat (limited to 'target/linux/generic/patches-4.1')
| -rw-r--r-- | target/linux/generic/patches-4.1/020-ssb-backport.patch | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.1/020-ssb-backport.patch b/target/linux/generic/patches-4.1/020-ssb-backport.patch new file mode 100644 index 0000000..e96480b --- /dev/null +++ b/target/linux/generic/patches-4.1/020-ssb-backport.patch @@ -0,0 +1,686 @@ +--- a/arch/mips/bcm47xx/Kconfig ++++ b/arch/mips/bcm47xx/Kconfig +@@ -4,6 +4,7 @@ config BCM47XX_SSB + bool "SSB Support for Broadcom BCM47XX" + select SYS_HAS_CPU_BMIPS32_3300 + select SSB ++ select SSB_HOST_SOC + select SSB_DRIVER_MIPS + select SSB_DRIVER_EXTIF + select SSB_EMBEDDED +--- 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 +--- 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 +--- /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); ++} +--- /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 ++}; +--- 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_b + + 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 ss + + 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_ + 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_b + + 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); + } +--- 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; + +--- 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; +--- a/drivers/ssb/ssb_private.h ++++ b/drivers/ssb/ssb_private.h +@@ -85,8 +85,6 @@ static inline int ssb_pci_init(struct ss + + /* 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(str + 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 + { + 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(struc + 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(s + { + 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 s + } + #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); |