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authornoz <noz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-06-21 20:10:50 +0000
committernoz <noz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-06-21 20:10:50 +0000
commit6546ee2d5f04d335314782ca0577901b7c2d83b0 (patch)
treeb8c2124cfa4e97458937733d65bfac60ff625457
parentebd093f2fa1855b10efdc70772e1024dd37b1a4a (diff)
brcm43xx: update SSB driver
* files/ now contains the wireless-dev tree version * patches/210-ssb_merge is nbd's subsequent changes git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7691 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig19
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile17
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c (renamed from target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon/chipcommon.c)52
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c (renamed from target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mips/mips.c)122
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c (renamed from target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c)31
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/main.c (renamed from target/linux/brcm47xx-2.6/files/drivers/ssb/core.c)377
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c196
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c104
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c58
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h10
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c254
-rw-r--r--target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h90
-rw-r--r--target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h47
-rw-r--r--target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h32
-rw-r--r--target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h9
-rw-r--r--target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h3
-rw-r--r--target/linux/brcm47xx-2.6/patches/200-b44_ssb_fixup.patch256
-rw-r--r--target/linux/brcm47xx-2.6/patches/205-ssb_integrate.patch78
-rw-r--r--target/linux/brcm47xx-2.6/patches/210-ssb_merge.patch421
19 files changed, 1841 insertions, 335 deletions
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig b/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig
index 09330dfa6..03c494586 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig
@@ -71,4 +71,23 @@ config SSB_PCICORE_HOSTMODE
help
PCIcore hostmode operation (external PCI bus).
+config SSB_DRIVER_MIPS
+ bool "SSB Broadcom MIPS core driver"
+ depends on SSB && MIPS
+ select SSB_SERIAL
+ help
+ Driver for the Sonics Silicon Backplane attached
+ Broadcom MIPS core.
+
+ If unsure, say N
+
+config SSB_DRIVER_EXTIF
+ bool "SSB Broadcom EXTIF core driver"
+ depends on SSB_DRIVER_MIPS
+ help
+ Driver for the Sonics Silicon Backplane attached
+ Broadcom EXTIF core.
+
+ If unsure, say N
+
endmenu
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile b/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile
index 9f85d225d..9a2b379fb 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile
@@ -1,14 +1,11 @@
-ssb-driver-chipcommon-y := driver_chipcommon/chipcommon.o
-ssb-driver-mips-$(CONFIG_BCM947XX) := driver_mips/mips.o
-ssb-driver-pci-$(CONFIG_SSB_DRIVER_PCICORE) := driver_pci/pcicore.o
+ssb-builtin-drivers-y += driver_chipcommon.o
+ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
+ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
-ssb-$(CONFIG_SSB_PCIHOST) += pci.o
-ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
+ssb-hostsupport-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
+ssb-hostsupport-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
obj-$(CONFIG_SSB) += ssb.o
-ssb-objs := core.o scan.o \
- $(ssb-y) $(ssb-m) \
- $(ssb-driver-chipcommon-y) \
- $(ssb-driver-mips-y) \
- $(ssb-driver-pci-y)
+ssb-objs := main.o scan.o \
+ $(ssb-hostsupport-y) $(ssb-builtin-drivers-y)
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon/chipcommon.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c
index a17910947..8e511c77b 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon/chipcommon.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c
@@ -12,7 +12,7 @@
#include <linux/ssb/ssb_regs.h>
#include <linux/pci.h>
-#include "../ssb_private.h"
+#include "ssb_private.h"
/* Clock sources */
@@ -39,7 +39,6 @@ static inline void chipco_write32(struct ssb_chipcommon *cc,
ssb_write32(cc->dev, offset, value);
}
-
void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
enum ssb_clkmode mode)
{
@@ -89,7 +88,6 @@ void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
assert(0);
}
}
-EXPORT_SYMBOL(ssb_chipco_set_clockmode);
/* Get the Slow Clock Source */
static int chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc)
@@ -98,8 +96,8 @@ static int chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc)
u32 tmp = 0;
if (cc->dev->id.revision < 6) {
- if (bus->bustype == SSB_BUSTYPE_SSB /*TODO ||
- bus->bustype == SSB_BUSTYPE_PCMCIA*/)
+ if (bus->bustype == SSB_BUSTYPE_SSB ||
+ bus->bustype == SSB_BUSTYPE_PCMCIA)
return SSB_CHIPCO_CLKSRC_XTALOS;
if (bus->bustype == SSB_BUSTYPE_PCI) {
pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &tmp);
@@ -246,8 +244,8 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return; /* We don't have a ChipCommon */
- ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
chipco_powercontrol_init(cc);
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
calc_fast_powerup_delay(cc);
}
@@ -262,37 +260,8 @@ void ssb_chipco_resume(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return;
- ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
chipco_powercontrol_init(cc);
-}
-
-void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, u32 chip_id, u32 *rate,
- u32 *plltype, u32 *n, u32 *m)
-{
- *rate = 0;
- *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
- *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
- switch (*plltype) {
- case SSB_PLLTYPE_2:
- case SSB_PLLTYPE_4:
- case SSB_PLLTYPE_6:
- case SSB_PLLTYPE_7:
- *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
- break;
- case SSB_PLLTYPE_5:
- *rate = 200000000;
- break;
- case SSB_PLLTYPE_3:
- /* 5350 uses m2 to control mips */
- *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
- break;
- default:
- *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
- break;
- }
-
- if (*rate == 0 && chip_id == 0x5365)
- *rate = 200000000;
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
}
void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
@@ -351,6 +320,7 @@ void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
}
}
+
#ifdef CONFIG_SSB_SERIAL
int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
struct ssb_serial_port *ports)
@@ -430,13 +400,3 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
return nr_ports;
}
#endif /* CONFIG_SSB_SERIAL */
-
-/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
-int
-ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks)
-{
- /* instant NMI */
- chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
- return 0;
-}
-EXPORT_SYMBOL(ssb_chipco_watchdog);
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mips/mips.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c
index 7b3880ab0..67d10178b 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mips/mips.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c
@@ -4,7 +4,6 @@
*
* Copyright 2005, Broadcom Corporation
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
- * Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -16,12 +15,21 @@
#include <linux/serial_reg.h>
#include <asm/time.h>
-#include "../ssb_private.h"
+#include "ssb_private.h"
-#define mips_read32(mcore, offset) ssb_read32((mcore)->dev, offset)
-#define mips_write32(mcore, offset, value) ssb_write32((mcore)->dev, offset, value)
-#define extif_read32(extif, offset) ssb_read32((extif)->dev, offset)
-#define extif_write32(extif, offset, value) ssb_write32((extif)->dev, offset, value)
+
+static inline u32 mips_read32(struct ssb_mipscore *mcore,
+ u16 offset)
+{
+ return ssb_read32(mcore->dev, offset);
+}
+
+static inline void mips_write32(struct ssb_mipscore *mcore,
+ u16 offset,
+ u32 value)
+{
+ ssb_write32(mcore->dev, offset, value);
+}
static const u32 ipsflag_irq_mask[] = {
0,
@@ -109,8 +117,17 @@ static void set_irq(struct ssb_device *dev, unsigned int irq)
ssb_write32(mdev, SSB_IPSFLAG, irqflag);
}
-static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports)
+/* XXX: leave here or move into separate extif driver? */
+static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports)
+{
+
+}
+
+
+static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
{
+ struct ssb_bus *bus = mcore->dev->bus;
+
//TODO if (EXTIF available
#if 0
extifregs_t *eir = (extifregs_t *) regs;
@@ -145,14 +162,6 @@ static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *
add((void *) &eir->uartdata, irq, sb_clock(sbh), 2);
#endif
-
-}
-
-
-static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
-{
- struct ssb_bus *bus = mcore->dev->bus;
-
if (bus->extif.dev)
mcore->nr_serial_ports = ssb_extif_serial_init(&bus->extif, mcore->serial_ports);
else if (bus->chipco.dev)
@@ -165,68 +174,18 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
{
struct ssb_bus *bus = mcore->dev->bus;
- mcore->flash_buswidth = 2;
if (bus->chipco.dev) {
mcore->flash_window = 0x1c000000;
- mcore->flash_window_size = 0x02000000;
- if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
- & SSB_CHIPCO_CFG_DS16) == 0)
- mcore->flash_buswidth = 1;
+ mcore->flash_window_size = 0x800000;
} else {
mcore->flash_window = 0x1fc00000;
- mcore->flash_window_size = 0x00400000;
+ mcore->flash_window_size = 0x400000;
}
}
-static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns)
-{
- u32 tmp;
-
- /* Initialize extif so we can get to the LEDs and external UART */
- extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN);
-
- /* Set timing for the flash */
- tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
- tmp |= ceildiv(40, ns) << SSB_PROG_WCNT_1_SHIFT;
- tmp |= ceildiv(120, ns);
- extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
-
- /* Set programmable interface timing for external uart */
- tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
- tmp |= ceildiv(20, ns) << SSB_PROG_WCNT_2_SHIFT;
- tmp |= ceildiv(100, ns) << SSB_PROG_WCNT_1_SHIFT;
- tmp |= ceildiv(120, ns);
- extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
-}
-
-static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
- u32 *pll_type, u32 *n, u32 *m)
-{
- *pll_type = SSB_PLLTYPE_1;
- *n = extif_read32(extif, SSB_EXTIF_CLOCK_N);
- *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
-}
-u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
+static void ssb_cpu_clock(struct ssb_mipscore *mcore)
{
- struct ssb_bus *bus = mcore->dev->bus;
- u32 pll_type, n, m, rate = 0;
-
- if (bus->extif.dev) {
- ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m);
- } else if (bus->chipco.dev) {
- ssb_chipco_get_clockcpu(&bus->chipco, bus->chip_id, &rate,
- &pll_type, &n, &m);
- } else
- return 0;
-
- if (rate == 0)
- rate = ssb_calc_clock_rate(pll_type, n, m);
-
- if (pll_type == SSB_PLLTYPE_6)
- rate *= 2;
-
- return rate;
}
void ssb_mipscore_init(struct ssb_mipscore *mcore)
@@ -246,9 +205,28 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
hz = 100000000;
ns = 1000000000 / hz;
- if (bus->extif.dev)
- ssb_extif_timing_init(&bus->extif, ns);
- else if (bus->chipco.dev)
+//TODO
+#if 0
+ if (have EXTIF) {
+ /* Initialize extif so we can get to the LEDs and external UART */
+ W_REG(&eir->prog_config, CF_EN);
+
+ /* Set timing for the flash */
+ tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+ tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */
+ tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+ W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */
+
+ /* Set programmable interface timing for external uart */
+ tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+ tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */
+ tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */
+ tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+ W_REG(&eir->prog_waitcount, tmp);
+ }
+ else... chipcommon
+#endif
+ if (bus->chipco.dev)
ssb_chipco_timing_init(&bus->chipco, ns);
/* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */
@@ -278,5 +256,3 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
ssb_mips_serial_init(mcore);
ssb_mips_flash_detect(mcore);
}
-
-EXPORT_SYMBOL(ssb_mips_irq);
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c
index 3ad97036f..a59dff083 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c
@@ -12,7 +12,8 @@
#include <linux/pci.h>
#include <linux/delay.h>
-#include "../ssb_private.h"
+#include "ssb_private.h"
+
static inline
u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset)
@@ -92,9 +93,6 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
/* Enable PCI bridge BAR1 prefetch and burst */
pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
-
- /* Make sure our latency is high enough to handle the devices behind us */
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8);
}
DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);
@@ -112,7 +110,7 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
if (unlikely(pc->cardbusmode && dev > 1))
goto out;
- if (bus == 0) {//FIXME busnumber ok?
+ if (bus == 0) {
/* Type 0 transaction */
if (unlikely(dev >= SSB_PCI_SLOT_MAX))
goto out;
@@ -164,7 +162,8 @@ static int ssb_extpci_read_config(struct ssb_pcicore *pc,
val = 0xffffffff;
goto unmap;
}
-
+
+ val = readl(mmio);
val >>= (8 * (off & 3));
switch (len) {
@@ -212,10 +211,12 @@ static int ssb_extpci_write_config(struct ssb_pcicore *pc,
switch (len) {
case 1:
+ val = readl(mmio);
val &= ~(0xFF << (8 * (off & 3)));
val |= *((const u8 *)buf) << (8 * (off & 3));
break;
case 2:
+ val = readl(mmio);
val &= ~(0xFFFF << (8 * (off & 3)));
val |= *((const u16 *)buf) << (8 * (off & 3));
break;
@@ -223,7 +224,7 @@ static int ssb_extpci_write_config(struct ssb_pcicore *pc,
val = *((const u32 *)buf);
break;
}
- writel(val, mmio);
+ writel(*((const u32 *)buf), mmio);
err = 0;
unmap:
@@ -290,7 +291,10 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
{
u32 val;
- assert(!extpci_core);
+ if (extpci_core) {
+ WARN_ON(1);
+ return;
+ }
extpci_core = pc;
ssb_dprintk(KERN_INFO PFX "PCIcore in host mode found\n");
@@ -303,8 +307,6 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
udelay(150);
val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */
pcicore_write32(pc, SSB_PCICORE_CTL, val);
- val = SSB_PCICORE_ARBCTL_INTERN;
- pcicore_write32(pc, SSB_PCICORE_ARBCTL, val);
udelay(1);
//TODO cardbus mode
@@ -321,7 +323,10 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
/* Enable PCI bridge BAR0 prefetch and burst */
val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 4);
+ ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 2);
+ /* Clear error conditions */
+ val = 0;
+ ssb_extpci_write_config(pc, 0, 0, 0, PCI_STATUS, &val, 2);
/* Enable PCI interrupts */
pcicore_write32(pc, SSB_PCICORE_IMASK,
@@ -331,7 +336,6 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
* The following needs change, if we want to port hostmode
* to non-MIPS platform. */
set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000));
- mdelay(300);
register_pci_controller(&ssb_pcicore_controller);
}
@@ -383,7 +387,8 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
if (!dev)
return;
bus = dev->bus;
- ssb_device_enable(dev, 0);
+ if (!ssb_device_is_enabled(dev))
+ ssb_device_enable(dev, 0);
#ifdef CONFIG_SSB_PCICORE_HOSTMODE
pc->hostmode = pcicore_is_in_hostmode(pc);
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/core.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/main.c
index 2ee13d2d3..a2d22312c 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/core.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/main.c
@@ -35,35 +35,55 @@ static LIST_HEAD(buses);
static int nr_buses;
static DEFINE_MUTEX(buses_mutex);
-#define ssb_buses_lock() do { \
- if (!is_early_boot()) \
- mutex_lock(&buses_mutex); \
- } while (0)
+static void ssb_buses_lock(void);
+static void ssb_buses_unlock(void);
-#define ssb_buses_unlock() do { \
- if (!is_early_boot()) \
- mutex_unlock(&buses_mutex); \
- } while (0)
+#ifdef CONFIG_SSB_PCIHOST
+struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev)
+{
+ struct ssb_bus *bus;
+
+ ssb_buses_lock();
+ list_for_each_entry(bus, &buses, list) {
+ if (bus->bustype == SSB_BUSTYPE_PCI &&
+ bus->host_pci == pdev)
+ goto found;
+ }
+ bus = NULL;
+found:
+ ssb_buses_unlock();
+
+ return bus;
+}
+#endif /* CONFIG_SSB_PCIHOST */
static struct ssb_device * ssb_device_get(struct ssb_device *dev)
{
if (dev)
- get_device(&dev->dev);
+ get_device(dev->dev);
return dev;
}
static void ssb_device_put(struct ssb_device *dev)
{
if (dev)
- put_device(&dev->dev);
+ put_device(dev->dev);
}
-static void ssb_bus_resume(struct ssb_bus *bus)
+static int ssb_bus_resume(struct ssb_bus *bus)
{
-printk("SSB BUS RESUME\n");
+ int err;
+
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
+ err = ssb_pcmcia_init(bus);
+ if (err) {
+ /* No need to disable XTAL, as we don't have one on PCMCIA. */
+ return err;
+ }
ssb_chipco_resume(&bus->chipco);
+
+ return 0;
}
static int ssb_device_resume(struct device *dev)
@@ -73,10 +93,12 @@ static int ssb_device_resume(struct device *dev)
struct ssb_bus *bus;
int err = 0;
-printk("SSB DEV RESUME\n");
bus = ssb_dev->bus;
- if (bus->suspend_cnt == bus->nr_devices)
- ssb_bus_resume(bus);
+ if (bus->suspend_cnt == bus->nr_devices) {
+ err = ssb_bus_resume(bus);
+ if (err)
+ return err;
+ }
bus->suspend_cnt--;
if (dev->driver) {
ssb_drv = drv_to_ssb_drv(dev->driver);
@@ -91,9 +113,15 @@ out:
static void ssb_bus_suspend(struct ssb_bus *bus, pm_message_t state)
{
-printk("SSB BUS SUSPEND\n");
-// ssb_chipco_suspend(&bus->chipco, state);
-// ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
+ ssb_chipco_suspend(&bus->chipco, state);
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
+
+ /* Reset HW state information in memory, so that HW is
+ * completely reinitialized on resume. */
+ bus->mapped_device = NULL;
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ bus->pcicore.setup_done = 0;
+#endif
}
static int ssb_device_suspend(struct device *dev, pm_message_t state)
@@ -103,7 +131,6 @@ static int ssb_device_suspend(struct device *dev, pm_message_t state)
struct ssb_bus *bus;
int err = 0;
-printk("SSB DEV SUSPEND\n");
if (dev->driver) {
ssb_drv = drv_to_ssb_drv(dev->driver);
if (ssb_drv && ssb_drv->suspend)
@@ -123,6 +150,57 @@ out:
return err;
}
+#ifdef CONFIG_SSB_PCIHOST
+int ssb_devices_freeze(struct ssb_bus *bus)
+{
+ struct ssb_device *dev;
+ struct ssb_driver *drv;
+ int err = 0;
+ int i;
+ pm_message_t state = PMSG_FREEZE;
+
+ for (i = 0; i < bus->nr_devices; i++) {
+ dev = &(bus->devices[i]);
+ if (!dev->dev->driver)
+ continue;
+ if (!device_is_registered(dev->dev))
+ continue;
+ drv = drv_to_ssb_drv(dev->dev->driver);
+ if (drv && drv->suspend) {
+ err = drv->suspend(dev, state);
+ if (err)
+ goto out;
+ }
+ }
+out:
+ return err;
+}
+
+int ssb_devices_thaw(struct ssb_bus *bus)
+{
+ struct ssb_device *dev;
+ struct ssb_driver *drv;
+ int err = 0;
+ int i;
+
+ for (i = 0; i < bus->nr_devices; i++) {
+ dev = &(bus->devices[i]);
+ if (!dev->dev->driver)
+ continue;
+ if (!device_is_registered(dev->dev))
+ continue;
+ drv = drv_to_ssb_drv(dev->dev->driver);
+ if (drv && drv->resume) {
+ err = drv->resume(dev);
+ if (err)
+ goto out;
+ }
+ }
+out:
+ return err;
+}
+#endif /* CONFIG_SSB_PCIHOST */
+
static void ssb_device_shutdown(struct device *dev)
{
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
@@ -193,7 +271,7 @@ static int ssb_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
-struct bus_type ssb_bustype = {
+static struct bus_type ssb_bustype = {
.name = NULL, /* Intentionally NULL to indicate early boot */
.match = ssb_bus_match,
.probe = ssb_device_probe,
@@ -205,51 +283,156 @@ struct bus_type ssb_bustype = {
#define is_early_boot() (ssb_bustype.name == NULL)
-void ssb_bus_unregister(struct ssb_bus *bus)
+static void ssb_buses_lock(void)
{
- struct ssb_device *dev;
+ if (!is_early_boot())
+ mutex_lock(&buses_mutex);
+}
+
+static void ssb_buses_unlock(void)
+{
+ if (!is_early_boot())
+ mutex_unlock(&buses_mutex);
+}
+
+static void ssb_devices_unregister(struct ssb_bus *bus)
+{
+ struct ssb_device *sdev;
int i;
- ssb_buses_lock();
for (i = bus->nr_devices - 1; i >= 0; i--) {
- dev = &(bus->devices[i]);
- device_unregister(&dev->dev);
+ sdev = &(bus->devices[i]);
+ if (sdev->dev)
+ device_unregister(sdev->dev);
}
+}
+
+void ssb_bus_unregister(struct ssb_bus *bus)
+{
+ ssb_buses_lock();
+ ssb_devices_unregister(bus);
list_del(&bus->list);
ssb_buses_unlock();
+ /* ssb_pcmcia_exit(bus); */
+ ssb_pci_exit(bus);
ssb_iounmap(bus);
}
EXPORT_SYMBOL(ssb_bus_unregister);
static void ssb_release_dev(struct device *dev)
{
- /* Nothing, devices are allocated together with struct ssb_bus. */
+ struct __ssb_dev_wrapper *devwrap;
+
+ devwrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+ kfree(devwrap);
+}
+
+static int ssb_devices_register(struct ssb_bus *bus)
+{
+ struct ssb_device *sdev;
+ struct device *dev;
+ struct __ssb_dev_wrapper *devwrap;
+ int i, err = 0;
+ int dev_idx = 0;
+
+ for (i = 0; i < bus->nr_devices; i++) {
+ sdev = &(bus->devices[i]);
+
+ /* We don't register SSB-system devices to the kernel,
+ * as the drivers for them are built into SSB. */
+ switch (sdev->id.coreid) {
+ case SSB_DEV_CHIPCOMMON:
+ case SSB_DEV_PCI:
+ case SSB_DEV_PCIE:
+ case SSB_DEV_PCMCIA:
+ case SSB_DEV_MIPS:
+ case SSB_DEV_MIPS_3302:
+ case SSB_DEV_EXTIF:
+ continue;
+ }
+
+ devwrap = kzalloc(sizeof(*devwrap), GFP_KERNEL);
+ if (!devwrap) {
+ ssb_printk(KERN_ERR PFX
+ "Could not allocate device\n");
+ err = -ENOMEM;
+ goto error;
+ }
+ dev = &devwrap->dev;
+ devwrap->sdev = sdev;
+
+ dev->release = ssb_release_dev;
+ dev->bus = &ssb_bustype;
+ snprintf(dev->bus_id, sizeof(dev->bus_id),
+ "ssb%d:%d", bus->busnumber, dev_idx);
+
+ switch (bus->bustype) {
+ case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
+ sdev->irq = bus->host_pci->irq;
+ dev->parent = &bus->host_pci->dev;
+#endif
+ break;
+ case SSB_BUSTYPE_PCMCIA:
+#ifdef CONFIG_SSB_PCMCIAHOST
+ dev->parent = &bus->host_pcmcia->dev;
+#endif
+ break;
+ case SSB_BUSTYPE_SSB:
+ break;
+ }
+
+ sdev->dev = dev;
+ err = device_register(dev);
+ if (err) {
+ ssb_printk(KERN_ERR PFX
+ "Could not register %s\n",
+ dev->bus_id);
+ /* Set dev to NULL to not unregister
+ * dev on error unwinding. */
+ sdev->dev = NULL;
+ kfree(devwrap);
+ goto error;
+ }
+ dev_idx++;
+ }
+
+ return 0;
+error:
+ /* Unwind the already registered devices. */
+ ssb_devices_unregister(bus);
+ return err;
}
/* Needs ssb_buses_lock() */
static int ssb_attach_queued_buses(void)
{
struct ssb_bus *bus, *n;
- struct ssb_device *dev;
- int i, err;
+ int err = 0;
+ int drop_them_all = 0;
list_for_each_entry_safe(bus, n, &attach_queue, list) {
+ if (drop_them_all) {
+ list_del(&bus->list);
+ continue;
+ }
+ /* Can't init the PCIcore in ssb_bus_register(), as that
+ * is too early in boot for embedded systems
+ * (no udelay() available). So do it here in attach stage.
+ */
ssb_pcicore_init(&bus->pcicore);
- for (i = 0; i < bus->nr_devices; i++) {
- dev = &(bus->devices[i]);
-
- dev->dev.release = ssb_release_dev;
- err = device_register(&dev->dev);
- if (err) {
- ssb_printk(KERN_ERR PFX
- "Could not register %s\n",
- dev->dev.bus_id);
- }
+
+ err = ssb_devices_register(bus);
+ if (err) {
+ drop_them_all = 1;
+ list_del(&bus->list);
+ continue;
}
list_move_tail(&bus->list, &buses);
}
- return 0;
+
+ return err;
}
static void ssb_get_boardtype(struct ssb_bus *bus)
@@ -307,23 +490,6 @@ static int ssb_bus_register(struct ssb_bus *bus,
{
int err;
- ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on ");
- switch (bus->bustype) {
- case SSB_BUSTYPE_SSB:
- ssb_printk("address 0x%08lX\n", baseaddr);
- break;
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- ssb_printk("PCI device %s\n", bus->host_pci->dev.bus_id);
-#endif
- break;
- case SSB_BUSTYPE_PCMCIA:
-#ifdef CONFIG_SSB_PCMCIAHOST
- ssb_printk("PCMCIA device %s\n", bus->host_pcmcia->devname);
-#endif
- break;
- }
-
spin_lock_init(&bus->bar_lock);
INIT_LIST_HEAD(&bus->list);
@@ -346,7 +512,7 @@ static int ssb_bus_register(struct ssb_bus *bus,
/* Init PCMCIA-host device (if any) */
err = ssb_pcmcia_init(bus);
if (err)
- goto err_unmap;
+ goto err_pci_exit;
/* Initialize basic system devices (if available) */
ssb_chipcommon_init(&bus->chipco);
@@ -368,12 +534,16 @@ out:
err_dequeue:
list_del(&bus->list);
+/* err_pcmcia_exit: */
+/* ssb_pcmcia_exit(bus); */
+err_pci_exit:
+ ssb_pci_exit(bus);
err_unmap:
ssb_iounmap(bus);
err_disable_xtal:
ssb_buses_unlock();
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
- goto out;
+ return err;
}
#ifdef CONFIG_SSB_PCIHOST
@@ -387,6 +557,10 @@ int ssb_bus_pcibus_register(struct ssb_bus *bus,
bus->ops = &ssb_pci_ops;
err = ssb_bus_register(bus, 0);
+ if (!err) {
+ ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on "
+ "PCI device %s\n", host_pci->dev.bus_id);
+ }
return err;
}
@@ -407,6 +581,10 @@ int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
fill_sprom(&bus->sprom);
err = ssb_bus_register(bus, baseaddr);
+ if (!err) {
+ ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on "
+ "PCMCIA device %s\n", pcmcia_dev->devname);
+ }
return err;
}
@@ -422,7 +600,12 @@ int ssb_bus_ssbbus_register(struct ssb_bus *bus,
bus->bustype = SSB_BUSTYPE_SSB;
bus->ops = &ssb_ssb_ops;
fill_sprom(&bus->sprom);
+
err = ssb_bus_register(bus, baseaddr);
+ if (!err) {
+ ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found at "
+ "address 0x%08lX\n", baseaddr);
+ }
return err;
}
@@ -603,12 +786,29 @@ u32 ssb_clockspeed(struct ssb_bus *bus)
}
EXPORT_SYMBOL(ssb_clockspeed);
+static u32 ssb_tmslow_reject_bitmask(struct ssb_device *dev)
+{
+ /* The REJECT bit changed position in TMSLOW between
+ * Backplane revisions. */
+ switch (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV) {
+ case SSB_IDLOW_SSBREV_22:
+ return SSB_TMSLOW_REJECT_22;
+ case SSB_IDLOW_SSBREV_23:
+ return SSB_TMSLOW_REJECT_23;
+ default:
+ assert(0);
+ }
+ return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23);
+}
+
int ssb_device_is_enabled(struct ssb_device *dev)
{
u32 val;
+ u32 reject;
+ reject = ssb_tmslow_reject_bitmask(dev);
val = ssb_read32(dev, SSB_TMSLOW);
- val &= SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT;
+ val &= SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET | reject;
return (val == SSB_TMSLOW_CLOCK);
}
@@ -677,22 +877,25 @@ static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags)
{
+ u32 reject;
+
if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET)
return;
- ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_REJECT | SSB_TMSLOW_CLOCK);
- ssb_wait_bit(dev, SSB_TMSLOW, SSB_TMSLOW_REJECT, 1000, 1);
+ reject = ssb_tmslow_reject_bitmask(dev);
+ ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK);
+ ssb_wait_bit(dev, SSB_TMSLOW, reject, 1000, 1);
ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
ssb_write32(dev, SSB_TMSLOW,
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
- SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET |
+ reject | SSB_TMSLOW_RESET |
core_specific_flags);
/* flush */
ssb_read32(dev, SSB_TMSLOW);
udelay(1);
ssb_write32(dev, SSB_TMSLOW,
- SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET |
+ reject | SSB_TMSLOW_RESET |
core_specific_flags);
/* flush */
ssb_read32(dev, SSB_TMSLOW);
@@ -715,7 +918,7 @@ EXPORT_SYMBOL(ssb_dma_translation);
int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask)
{
- struct device *dev = &ssb_dev->dev;
+ struct device *dev = ssb_dev->dev;
#ifdef CONFIG_SSB_PCIHOST
if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI &&
@@ -729,6 +932,50 @@ int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask)
}
EXPORT_SYMBOL(ssb_dma_set_mask);
+int ssb_bus_may_powerdown(struct ssb_bus *bus)
+{
+ struct ssb_chipcommon *cc;
+ int err;
+
+ /* On buses where more than one core may be working
+ * at a time, we must not powerdown stuff if there are
+ * still cores that may want to run. */
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ return 0;
+
+ cc = &bus->chipco;
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW);
+ err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
+ if (err)
+ goto error;
+
+ return 0;
+error:
+ ssb_printk(KERN_ERR PFX "Bus powerdown failed\n");
+ return err;
+}
+EXPORT_SYMBOL(ssb_bus_may_powerdown);
+
+int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl)
+{
+ struct ssb_chipcommon *cc;
+ int err;
+ enum ssb_clkmode mode;
+
+ err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
+ if (err)
+ goto error;
+ cc = &bus->chipco;
+ mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
+ ssb_chipco_set_clockmode(cc, mode);
+
+ return 0;
+error:
+ ssb_printk(KERN_ERR PFX "Bus powerup failed\n");
+ return err;
+}
+EXPORT_SYMBOL(ssb_bus_powerup);
+
u32 ssb_admatch_base(u32 adm)
{
u32 base = 0;
@@ -793,6 +1040,8 @@ static int __init ssb_modinit(void)
ssb_buses_lock();
err = ssb_attach_queued_buses();
ssb_buses_unlock();
+ if (err)
+ bus_unregister(&ssb_bustype);
return err;
}
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c
index 811af789e..fcd8e871c 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c
@@ -121,7 +121,7 @@ int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on)
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
if (err)
goto err_pci;
- msleep(2);
+ msleep(5);
}
}
@@ -240,6 +240,52 @@ static void sprom_do_read(struct ssb_bus *bus, u16 *sprom)
sprom[i] = readw(bus->mmio + SSB_SPROM_BASE + (i * 2));
}
+static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
+{
+ struct pci_dev *pdev = bus->host_pci;
+ int i, err;
+ u32 spromctl;
+
+ ssb_printk(KERN_NOTICE PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
+ err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
+ if (err)
+ goto err_ctlreg;
+ spromctl |= SSB_SPROMCTL_WE;
+ err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
+ if (err)
+ goto err_ctlreg;
+ ssb_printk(KERN_NOTICE PFX "[ 0%%");
+ msleep(500);
+ for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) {
+ if (i == SSB_SPROMSIZE_WORDS / 4)
+ ssb_printk("25%%");
+ else if (i == SSB_SPROMSIZE_WORDS / 2)
+ ssb_printk("50%%");
+ else if (i == (SSB_SPROMSIZE_WORDS / 4) * 3)
+ ssb_printk("75%%");
+ else if (i % 2)
+ ssb_printk(".");
+ writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2));
+ mmiowb();
+ msleep(20);
+ }
+ err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
+ if (err)
+ goto err_ctlreg;
+ spromctl &= ~SSB_SPROMCTL_WE;
+ err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
+ if (err)
+ goto err_ctlreg;
+ msleep(500);
+ ssb_printk("100%% ]\n");
+ ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
+
+ return 0;
+err_ctlreg:
+ ssb_printk(KERN_ERR PFX "Could not access SPROM control register.\n");
+ return err;
+}
+
static void sprom_extract_r1(struct ssb_sprom_r1 *out, const u16 *in)
{
int i;
@@ -472,9 +518,155 @@ const struct ssb_bus_ops ssb_pci_ops = {
.write32 = ssb_pci_write32,
};
+static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len)
+{
+ int i, pos = 0;
+
+ for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) {
+ pos += snprintf(buf + pos, buf_len - pos - 1,
+ "%04X", swab16(sprom[i]) & 0xFFFF);
+ }
+ pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
+
+ return pos + 1;
+}
+
+static int hex2sprom(u16 *sprom, const char *dump, size_t len)
+{
+ char tmp[5] = { 0 };
+ int cnt = 0;
+ unsigned long parsed;
+
+ if (len < SSB_SPROMSIZE_BYTES * 2)
+ return -EINVAL;
+
+ while (cnt < SSB_SPROMSIZE_WORDS) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+ parsed = simple_strtoul(tmp, NULL, 16);
+ sprom[cnt++] = swab16((u16)parsed);
+ }
+
+ return 0;
+}
+
+static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
+ struct ssb_bus *bus;
+ u16 *sprom;
+ int err = -ENODEV;
+ ssize_t count = 0;
+
+ bus = ssb_pci_dev_to_bus(pdev);
+ if (!bus)
+ goto out;
+ err = -ENOMEM;
+ sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ goto out;
+
+ err = -ERESTARTSYS;
+ if (mutex_lock_interruptible(&bus->pci_sprom_mutex))
+ goto out_kfree;
+ sprom_do_read(bus, sprom);
+ mutex_unlock(&bus->pci_sprom_mutex);
+
+ count = sprom2hex(sprom, buf, PAGE_SIZE);
+ err = 0;
+
+out_kfree:
+ kfree(sprom);
+out:
+ return err ? err : count;
+}
+
+static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
+ struct ssb_bus *bus;
+ u16 *sprom;
+ int res = 0, err = -ENODEV;
+
+ bus = ssb_pci_dev_to_bus(pdev);
+ if (!bus)
+ goto out;
+ err = -ENOMEM;
+ sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ goto out;
+ err = hex2sprom(sprom, buf, count);
+ if (err) {
+ err = -EINVAL;
+ goto out_kfree;
+ }
+ err = sprom_check_crc(sprom);
+ if (err) {
+ err = -EINVAL;
+ goto out_kfree;
+ }
+
+ err = -ERESTARTSYS;
+ if (mutex_lock_interruptible(&bus->pci_sprom_mutex))
+ goto out_kfree;
+ err = ssb_devices_freeze(bus);
+ if (err) {
+ ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n");
+ goto out_unlock;
+ }
+ res = sprom_do_write(bus, sprom);
+ err = ssb_devices_thaw(bus);
+ if (err)
+ ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n");
+out_unlock:
+ mutex_unlock(&bus->pci_sprom_mutex);
+out_kfree:
+ kfree(sprom);
+out:
+ if (res)
+ return res;
+ return err ? err : count;
+}
+
+static DEVICE_ATTR(ssb_sprom, 0600,
+ ssb_pci_attr_sprom_show,
+ ssb_pci_attr_sprom_store);
+
+void ssb_pci_exit(struct ssb_bus *bus)
+{
+ struct pci_dev *pdev;
+
+ if (bus->bustype != SSB_BUSTYPE_PCI)
+ return;
+
+ pdev = bus->host_pci;
+ device_remove_file(&pdev->dev, &dev_attr_ssb_sprom);
+}
+
int ssb_pci_init(struct ssb_bus *bus)
{
+ struct pci_dev *pdev;
+ int err;
+
if (bus->bustype != SSB_BUSTYPE_PCI)
return 0;
- return ssb_pci_sprom_get(bus);
+
+ pdev = bus->host_pci;
+ mutex_init(&bus->pci_sprom_mutex);
+ err = device_create_file(&pdev->dev, &dev_attr_ssb_sprom);
+ if (err)
+ goto out;
+ err = ssb_pci_sprom_get(bus);
+ if (err)
+ goto err_remove_sprom_file;
+
+out:
+ return err;
+err_remove_sprom_file:
+ device_remove_file(&pdev->dev, &dev_attr_ssb_sprom);
+ return err;
}
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c
new file mode 100644
index 000000000..82a10abef
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c
@@ -0,0 +1,104 @@
+/*
+ * Sonics Silicon Backplane
+ * PCI Hostdevice wrapper
+ *
+ * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
+ * Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
+ * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
+ * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
+
+#ifdef CONFIG_PM
+static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
+{
+ pci_save_state(dev);
+ pci_disable_device(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
+
+ return 0;
+}
+
+static int ssb_pcihost_resume(struct pci_dev *dev)
+{
+ int err;
+
+ pci_set_power_state(dev, 0);
+ err = pci_enable_device(dev);
+ if (err)
+ return err;
+ pci_restore_state(dev);
+
+ return 0;
+}
+#else /* CONFIG_PM */
+# define ssb_pcihost_suspend NULL
+# define ssb_pcihost_resume NULL
+#endif /* CONFIG_PM */
+
+static int ssb_pcihost_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ struct ssb_bus *ssb;
+ int err = -ENOMEM;
+ const char *name;
+
+ ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+ if (!ssb)
+ goto out;
+ err = pci_enable_device(dev);
+ if (err)
+ goto err_kfree_ssb;
+ name = dev->dev.bus_id;
+ if (dev->driver && dev->driver->name)
+ name = dev->driver->name;
+ err = pci_request_regions(dev, name);
+ if (err)
+ goto err_pci_disable;
+ pci_set_master(dev);
+
+ err = ssb_bus_pcibus_register(ssb, dev);
+ if (err)
+ goto err_pci_release_regions;
+
+ pci_set_drvdata(dev, ssb);
+
+out:
+ return err;
+
+err_pci_release_regions:
+ pci_release_regions(dev);
+err_pci_disable:
+ pci_disable_device(dev);
+err_kfree_ssb:
+ kfree(ssb);
+ return err;
+}
+
+static void ssb_pcihost_remove(struct pci_dev *dev)
+{
+ struct ssb_bus *ssb = pci_get_drvdata(dev);
+
+ ssb_bus_unregister(ssb);
+ pci_release_regions(dev);
+ pci_disable_device(dev);
+ kfree(ssb);
+ pci_set_drvdata(dev, NULL);
+}
+
+int ssb_pcihost_register(struct pci_driver *driver)
+{
+ driver->probe = ssb_pcihost_probe;
+ driver->remove = ssb_pcihost_remove;
+ driver->suspend = ssb_pcihost_suspend;
+ driver->resume = ssb_pcihost_resume;
+
+ return pci_register_driver(driver);
+}
+EXPORT_SYMBOL(ssb_pcihost_register);
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c
index 9e4a121c1..feaf1e57d 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c
@@ -17,6 +17,13 @@
#include <linux/pci.h>
#include <asm/io.h>
+#ifdef CONFIG_SSB_PCMCIAHOST
+# include <pcmcia/cs_types.h>
+# include <pcmcia/cs.h>
+# include <pcmcia/cistpl.h>
+# include <pcmcia/ds.h>
+#endif
+
#include "ssb_private.h"
@@ -222,14 +229,32 @@ static void __iomem * ssb_ioremap(struct ssb_bus *bus,
return mmio;
}
+static int we_support_multiple_80211_cores(struct ssb_bus *bus)
+{
+ /* More than one 802.11 core is only supported by special chips.
+ * There are chips with two 802.11 cores, but with dangling
+ * pins on the second core. Be careful and reject them here.
+ */
+
+#ifdef CONFIG_SSB_PCIHOST
+ if (bus->bustype == SSB_BUSTYPE_PCI) {
+ if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM &&
+ bus->host_pci->device == 0x4324)
+ return 1;
+ }
+#endif /* CONFIG_SSB_PCIHOST */
+ return 0;
+}
+
int ssb_bus_scan(struct ssb_bus *bus,
unsigned long baseaddr)
{
int err = -ENOMEM;
void __iomem *mmio;
u32 idhi, cc, rev, tmp;
- int i;
+ int dev_i, i;
struct ssb_device *dev;
+ int nr_80211_cores = 0;
mmio = ssb_ioremap(bus, baseaddr);
if (!mmio)
@@ -293,11 +318,11 @@ int ssb_bus_scan(struct ssb_bus *bus,
}
/* Fetch basic information about each core/device */
- for (i = 0; i < bus->nr_devices; i++) {
+ for (i = 0, dev_i = 0; i < bus->nr_devices; i++) {
err = scan_switchcore(bus, i);
if (err)
goto err_unmap;
- dev = &(bus->devices[i]);
+ dev = &(bus->devices[dev_i]);
idhi = scan_read32(bus, i, SSB_IDHIGH);
dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT;
@@ -306,8 +331,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT;
dev->core_index = i;
dev->bus = bus;
- if ((dev->bus->bustype == SSB_BUSTYPE_PCI) && (bus->host_pci))
- dev->irq = bus->host_pci->irq;
+ dev->ops = bus->ops;
ssb_dprintk(KERN_INFO PFX
"Core %d found: %s "
@@ -315,13 +339,19 @@ int ssb_bus_scan(struct ssb_bus *bus,
i, ssb_core_name(dev->id.coreid),
dev->id.coreid, dev->id.revision, dev->id.vendor);
- dev->dev.bus = &ssb_bustype;
- snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
- "ssb%02x:%02x", bus->busnumber, i);
-
switch (dev->id.coreid) {
+ case SSB_DEV_80211:
+ nr_80211_cores++;
+ if (nr_80211_cores > 1) {
+ if (!we_support_multiple_80211_cores(bus)) {
+ ssb_dprintk(KERN_INFO PFX "Ignoring additional "
+ "802.11 core\n");
+ continue;
+ }
+ }
+ break;
case SSB_DEV_EXTIF:
-#ifdef CONFIG_BCM947XX
+#ifdef CONFIG_SSB_DRIVER_EXTIF
if (bus->extif.dev) {
ssb_printk(KERN_WARNING PFX
"WARNING: Multiple EXTIFs found\n");
@@ -340,14 +370,14 @@ int ssb_bus_scan(struct ssb_bus *bus,
break;
case SSB_DEV_MIPS:
case SSB_DEV_MIPS_3302:
-#ifdef CONFIG_BCM947XX
+#ifdef CONFIG_SSB_DRIVER_MIPS
if (bus->mipscore.dev) {
ssb_printk(KERN_WARNING PFX
"WARNING: Multiple MIPS cores found\n");
break;
}
bus->mipscore.dev = dev;
-#endif /* CONFIG_BCM947XX */
+#endif /* CONFIG_SSB_DRIVER_MIPS */
break;
case SSB_DEV_PCI:
case SSB_DEV_PCIE:
@@ -363,7 +393,11 @@ int ssb_bus_scan(struct ssb_bus *bus,
default:
break;
}
+
+ dev_i++;
}
+ bus->nr_devices = dev_i;
+
err = 0;
out:
return err;
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h b/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h
index 59645f5a6..ae1fc0633 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h
@@ -53,6 +53,7 @@ extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
int turn_on);
extern int ssb_pci_sprom_get(struct ssb_bus *bus);
extern void ssb_pci_get_boardtype(struct ssb_bus *bus);
+extern void ssb_pci_exit(struct ssb_bus *bus);
extern int ssb_pci_init(struct ssb_bus *bus);
extern const struct ssb_bus_ops ssb_pci_ops;
@@ -80,6 +81,9 @@ static inline int ssb_pci_sprom_get(struct ssb_bus *bus)
static inline void ssb_pci_get_boardtype(struct ssb_bus *bus)
{
}
+static inline void ssb_pci_exit(struct ssb_bus *bus)
+{
+}
static inline int ssb_pci_init(struct ssb_bus *bus)
{
return 0;
@@ -128,8 +132,12 @@ extern void ssb_iounmap(struct ssb_bus *ssb);
/* core.c */
-extern struct bus_type ssb_bustype;
extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
+#ifdef CONFIG_SSB_PCIHOST
+extern int ssb_devices_freeze(struct ssb_bus *bus);
+extern int ssb_devices_thaw(struct ssb_bus *bus);
+extern struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev);
+#endif /* CONFIG_SSB_PCIHOST */
/* Ceiling division helper. Divides x by y. */
diff --git a/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c b/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c
new file mode 100644
index 000000000..2b3ef36b1
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c
@@ -0,0 +1,254 @@
+/*
+ * Sonics Silicon Backplane
+ * Broadcom USB-core OHCI driver
+ *
+ * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ *
+ * Derived from the OHCI-PCI driver
+ * Copyright 1999 Roman Weissgaerber
+ * Copyright 2000-2002 David Brownell
+ * Copyright 1999 Linus Torvalds
+ * Copyright 1999 Gregory P. Smith
+ *
+ * Derived from the USBcore related parts of Broadcom-SB
+ * Copyright 2005 Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+
+
+#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
+
+struct ssb_ohci_device {
+ struct ohci_hcd ohci; /* _must_ be at the beginning. */
+
+ u32 enable_flags;
+};
+
+
+static inline
+struct ssb_ohci_device * hcd_to_ssb_ohci(struct usb_hcd *hcd)
+{
+ return (struct ssb_ohci_device *)(hcd->hcd_priv);
+}
+
+
+static const struct ssb_device_id ssb_ohci_table[] = {
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
+ SSB_DEVTABLE_END
+};
+MODULE_DEVICE_TABLE(ssb, ssb_ohci_table);
+
+
+static int ssb_ohci_reset(struct usb_hcd *hcd)
+{
+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
+ struct ohci_hcd *ohci = &ohcidev->ohci;
+ int err;
+
+ ohci_hcd_init(ohci);
+ err = ohci_init(ohci);
+
+ return err;
+}
+
+static int ssb_ohci_start(struct usb_hcd *hcd)
+{
+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
+ struct ohci_hcd *ohci = &ohcidev->ohci;
+ int err;
+
+ err = ohci_run(ohci);
+ if (err < 0) {
+ ohci_err(ohci, "can't start\n");
+ ohci_stop(hcd);
+ }
+
+ return err;
+}
+
+#ifdef CONFIG_PM
+static int ssb_ohci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message)
+{
+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
+ struct ohci_hcd *ohci = &ohcidev->ohci;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ohci->lock, flags);
+
+ ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
+ ohci_readl(ohci, &ohci->regs->intrdisable); /* commit write */
+
+ /* make sure snapshot being resumed re-enumerates everything */
+ if (message.event == PM_EVENT_PRETHAW)
+ ohci_usb_reset(ohci);
+
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+
+ spin_unlock_irqrestore(&ohci->lock, flags);
+
+ return 0;
+}
+
+static int ssb_ohci_hcd_resume(struct usb_hcd *hcd)
+{
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ usb_hcd_resume_root_hub(hcd);
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+static const struct hc_driver ssb_ohci_hc_driver = {
+ .description = "ssb-usb-ohci",
+ .product_desc = "SSB OHCI Controller",
+ .hcd_priv_size = sizeof(struct ssb_ohci_device),
+
+ .irq = ohci_irq,
+ .flags = HCD_MEMORY | HCD_USB11,
+
+ .reset = ssb_ohci_reset,
+ .start = ssb_ohci_start,
+ .stop = ohci_stop,
+ .shutdown = ohci_shutdown,
+
+#ifdef CONFIG_PM
+ .suspend = ssb_ohci_hcd_suspend,
+ .resume = ssb_ohci_hcd_resume,
+#endif
+
+ .urb_enqueue = ohci_urb_enqueue,
+ .urb_dequeue = ohci_urb_dequeue,
+ .endpoint_disable = ohci_endpoint_disable,
+
+ .get_frame_number = ohci_get_frame,
+
+ .hub_status_data = ohci_hub_status_data,
+ .hub_control = ohci_hub_control,
+ .hub_irq_enable = ohci_rhsc_enable,
+
+#ifdef CONFIG_PM
+ .bus_suspend = ohci_bus_suspend,
+ .bus_resume = ohci_bus_resume,
+#endif
+
+ .start_port_reset = ohci_start_port_reset,
+};
+
+
+static void ssb_ohci_detach(struct ssb_device *dev)
+{
+ struct usb_hcd *hcd = ssb_get_drvdata(dev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ usb_put_hcd(hcd);
+ ssb_device_disable(dev, 0);
+}
+
+static int ssb_ohci_attach(struct ssb_device *dev)
+{
+ struct ssb_ohci_device *ohcidev;
+ struct usb_hcd *hcd;
+ int err = -ENOMEM;
+ u32 tmp, flags = 0;
+
+ if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
+ flags |= SSB_OHCI_TMSLOW_HOSTMODE;
+
+ ssb_device_enable(dev, flags);
+
+ hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
+ dev->dev->bus_id);
+ if (!hcd)
+ goto err_dev_disable;
+ ohcidev = hcd_to_ssb_ohci(hcd);
+ ohcidev->enable_flags = flags;
+
+ tmp = ssb_read32(dev, SSB_ADMATCH0);
+ hcd->rsrc_start = ssb_admatch_base(tmp);
+ hcd->rsrc_len = ssb_admatch_size(tmp);
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
+ if (!hcd->regs)
+ goto err_put_hcd;
+ err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED);
+ if (err)
+ goto err_iounmap;
+
+ ssb_set_drvdata(dev, hcd);
+
+ return err;
+
+err_iounmap:
+ iounmap(hcd->regs);
+err_put_hcd:
+ usb_put_hcd(hcd);
+err_dev_disable:
+ ssb_device_disable(dev, flags);
+ return err;
+}
+
+static int ssb_ohci_probe(struct ssb_device *dev,
+ const struct ssb_device_id *id)
+{
+ int err;
+ u16 chipid_top;
+
+ chipid_top = (dev->bus->chip_id & 0xFF00);
+ if (chipid_top != 0x4700 &&
+ chipid_top != 0x5300) {
+ /* USBcores are only connected on embedded devices. */
+ return -ENODEV;
+ }
+ /* TODO: Probably need more checks here whether the core is connected. */
+
+ if (usb_disabled())
+ return -ENODEV;
+
+ /* We currently always attach SSB_DEV_USB11_HOSTDEV
+ * as HOST OHCI. If we want to attach it as Client device,
+ * we must branch here and call into the (yet to
+ * be written) Client mode driver. Same for remove(). */
+
+ err = ssb_ohci_attach(dev);
+
+ return err;
+}
+
+static void ssb_ohci_remove(struct ssb_device *dev)
+{
+ ssb_ohci_detach(dev);
+}
+
+#ifdef CONFIG_PM
+static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state)
+{
+ ssb_device_disable(dev, 0);
+
+ return 0;
+}
+
+static int ssb_ohci_resume(struct ssb_device *dev)
+{
+ struct usb_hcd *hcd = ssb_get_drvdata(dev);
+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
+
+ ssb_device_enable(dev, ohcidev->enable_flags);
+
+ return 0;
+}
+#else /* CONFIG_PM */
+# define ssb_ohci_suspend NULL
+# define ssb_ohci_resume NULL
+#endif /* CONFIG_PM */
+
+static struct ssb_driver ssb_ohci_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = ssb_ohci_table,
+ .probe = ssb_ohci_probe,
+ .remove = ssb_ohci_remove,
+ .suspend = ssb_ohci_suspend,
+ .resume = ssb_ohci_resume,
+};
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
index 7fdeae71c..1ed3cbc1e 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
@@ -6,6 +6,9 @@
#include <linux/list.h>
#include <linux/types.h>
#include <linux/spinlock.h>
+#ifdef CONFIG_SSB_PCIHOST
+# include <linux/pci.h>
+#endif
#include <linux/ssb/ssb_regs.h>
@@ -98,6 +101,17 @@ struct ssb_sprom {
};
+struct ssb_device;
+/* Lowlevel read/write operations on the device MMIO.
+ * Internal, don't use that outside of ssb. */
+struct ssb_bus_ops {
+ u16 (*read16)(struct ssb_device *dev, u16 offset);
+ u32 (*read32)(struct ssb_device *dev, u16 offset);
+ void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
+ void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
+};
+
+
/* Core-ID values. */
#define SSB_DEV_CHIPCOMMON 0x800
#define SSB_DEV_ILINE20 0x801
@@ -149,18 +163,37 @@ struct ssb_device_id {
#define SSB_ANY_ID 0xFFFF
#define SSB_ANY_REV 0xFF
+/* Some kernel subsystems poke with dev->drvdata, so we must use the
+ * following ugly workaround to get from struct device to struct ssb_device */
+struct __ssb_dev_wrapper {
+ struct device dev;
+ struct ssb_device *sdev;
+};
struct ssb_device {
- struct device dev;
+ /* Having a copy of the ops pointer in each dev struct
+ * is an optimization. */
+ const struct ssb_bus_ops *ops;
+
+ struct device *dev;
struct ssb_bus *bus;
struct ssb_device_id id;
u8 core_index;
unsigned int irq;
+
+ /* Internal-only stuff follows. */
void *drvdata; /* Per-device data */
void *devtypedata; /* Per-devicetype (eg 802.11) data */
};
-#define dev_to_ssb_dev(_dev) container_of(_dev, struct ssb_device, dev)
+
+/* Go from struct device to struct ssb_device. */
+static inline
+struct ssb_device * dev_to_ssb_dev(struct device *dev)
+{
+ struct __ssb_dev_wrapper *wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+ return wrap->sdev;
+}
/* Device specific user data */
static inline
@@ -182,13 +215,6 @@ void * ssb_get_devtypedata(struct ssb_device *dev)
return dev->devtypedata;
}
-struct ssb_bus_ops {
- u16 (*read16)(struct ssb_device *dev, u16 offset);
- u32 (*read32)(struct ssb_device *dev, u16 offset);
- void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
- void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
-};
-
struct ssb_driver {
const char *name;
@@ -218,7 +244,6 @@ enum ssb_bustype {
SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */
SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */
SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */
- //TODO SSB_BUSTYPE_JTAG,
};
/* board_vendor */
@@ -238,12 +263,6 @@ enum ssb_bustype {
#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
-static inline u16 ssb_read16(struct ssb_device *dev, u16 offset);
-static inline u32 ssb_read32(struct ssb_device *dev, u16 offset);
-static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value);
-static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value);
-static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value);
-
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_driver_mips.h>
#include <linux/ssb/ssb_driver_extif.h>
@@ -269,6 +288,10 @@ struct ssb_bus {
/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
struct pcmcia_device *host_pcmcia;
+#ifdef CONFIG_SSB_PCIHOST
+ struct mutex pci_sprom_mutex;
+#endif
+
/* ID information about the PCB. */
u16 board_vendor;
u16 board_type;
@@ -328,32 +351,22 @@ void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
+/* Device MMIO register read/write functions. */
static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
{
- return dev->bus->ops->read16(dev, offset);
+ return dev->ops->read16(dev, offset);
}
static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
{
- return dev->bus->ops->read32(dev, offset);
+ return dev->ops->read32(dev, offset);
}
static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
{
- dev->bus->ops->write16(dev, offset, value);
+ dev->ops->write16(dev, offset, value);
}
static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
{
- dev->bus->ops->write32(dev, offset, value);
-}
-
-static inline u32 ssb_write32_masked(struct ssb_device *dev,
- u16 offset,
- u32 mask,
- u32 value)
-{
- value &= mask;
- value |= ssb_read32(dev, offset) & ~mask;
- ssb_write32(dev, offset, value);
- return value;
+ dev->ops->write32(dev, offset, value);
}
@@ -366,6 +379,21 @@ extern u32 ssb_dma_translation(struct ssb_device *dev);
extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask);
+#ifdef CONFIG_SSB_PCIHOST
+/* PCI-host wrapper driver */
+extern int ssb_pcihost_register(struct pci_driver *driver);
+static inline void ssb_pcihost_unregister(struct pci_driver *driver)
+{
+ pci_unregister_driver(driver);
+}
+#endif /* CONFIG_SSB_PCIHOST */
+
+
+/* Bus-Power handling functions. */
+extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
+extern int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl);
+
+
/* Various helper functions */
extern u32 ssb_admatch_base(u32 adm);
extern u32 ssb_admatch_size(u32 adm);
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
index e0c0e61b8..885659023 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
@@ -124,8 +124,8 @@
#define SSB_CHIPCO_GPIOOUT 0x0064
#define SSB_CHIPCO_GPIOOUTEN 0x0068
#define SSB_CHIPCO_GPIOCTL 0x006C
-#define SSB_CHIPCO_GPIOINTPOL 0x0070
-#define SSB_CHIPCO_GPIOINTMASK 0x0074
+#define SSB_CHIPCO_GPIOPOL 0x0070
+#define SSB_CHIPCO_GPIOIRQ 0x0074
#define SSB_CHIPCO_WATCHDOG 0x0080
#define SSB_CHIPCO_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */
#define SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT 16
@@ -364,8 +364,6 @@ extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
-extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, u32 chip_id,
- u32 *rate, u32 *plltype, u32 *n, u32 *m);
extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
u32 *plltype, u32 *n, u32 *m);
extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
@@ -380,47 +378,6 @@ enum ssb_clkmode {
extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
enum ssb_clkmode mode);
-
-/* GPIO functions */
-static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc,
- u32 mask)
-{
- return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask;
-}
-
-static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTMASK, mask, value);
-}
-
-static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTPOL, mask, value);
-}
-/* TODO: GPIO reservation */
-
-extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks);
-
#ifdef CONFIG_SSB_SERIAL
extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
struct ssb_serial_port *ports);
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
index 63add5662..278a637e8 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h
@@ -159,37 +159,5 @@ struct ssb_extif {
#define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */
-/* GPIO functions */
-static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif,
- u32 mask)
-{
- return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask;
-}
-
-static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value);
-}
-
-static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value);
-}
-
-static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value);
-}
-
-static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif,
- u32 mask, u32 value)
-{
- return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value);
-}
-
-
#endif /* __KERNEL__ */
#endif /* LINUX_SSB_EXTIFCORE_H_ */
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
index 61c766550..91f2373be 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h
@@ -3,7 +3,7 @@
#ifdef __KERNEL__
-#ifdef CONFIG_BCM947XX
+#ifdef CONFIG_SSB_DRIVER_MIPS
struct ssb_device;
@@ -22,17 +22,16 @@ struct ssb_mipscore {
int nr_serial_ports;
struct ssb_serial_port serial_ports[4];
- int flash_buswidth;
u32 flash_window;
u32 flash_window_size;
};
extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
-extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
+
extern unsigned int ssb_mips_irq(struct ssb_device *dev);
-#else /* CONFIG_BCM947XX */
+#else /* CONFIG_SSB_DRIVER_MIPS */
struct ssb_mipscore {
};
@@ -42,7 +41,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
{
}
-#endif /* CONFIG_BCM947XX */
+#endif /* CONFIG_SSB_DRIVER_MIPS */
#endif /* __KERNEL__ */
#endif /* LINUX_SSB_MIPSCORE_H_ */
diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
index 6bb40464d..e1c7ff78a 100644
--- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
+++ b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
@@ -96,7 +96,8 @@
#define SSB_INTVEC_ENET1 0x00000040 /* Enable interrupts for enet 1 */
#define SSB_TMSLOW 0x0F98 /* SB Target State Low */
#define SSB_TMSLOW_RESET 0x00000001 /* Reset */
-#define SSB_TMSLOW_REJECT 0x00000002 /* Reject */
+#define SSB_TMSLOW_REJECT_22 0x00000002 /* Reject (Backplane rev 2.2) */
+#define SSB_TMSLOW_REJECT_23 0x00000004 /* Reject (Backplane rev 2.3) */
#define SSB_TMSLOW_CLOCK 0x00010000 /* Clock Enable */
#define SSB_TMSLOW_FGC 0x00020000 /* Force Gated Clocks On */
#define SSB_TMSLOW_PE 0x40000000 /* Power Management Enable */
diff --git a/target/linux/brcm47xx-2.6/patches/200-b44_ssb_fixup.patch b/target/linux/brcm47xx-2.6/patches/200-b44_ssb_fixup.patch
new file mode 100644
index 000000000..816d7e18b
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/patches/200-b44_ssb_fixup.patch
@@ -0,0 +1,256 @@
+Index: linux-2.6.22-rc4/drivers/net/b44.c
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/net/b44.c 2007-06-10 21:33:15.000000000 +0100
++++ linux-2.6.22-rc4/drivers/net/b44.c 2007-06-10 21:33:23.000000000 +0100
+@@ -128,7 +128,7 @@
+ unsigned long offset,
+ enum dma_data_direction dir)
+ {
+- dma_sync_single_range_for_device(&sdev->dev, dma_base,
++ dma_sync_single_range_for_device(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
+ }
+@@ -138,7 +138,7 @@
+ unsigned long offset,
+ enum dma_data_direction dir)
+ {
+- dma_sync_single_range_for_cpu(&sdev->dev, dma_base,
++ dma_sync_single_range_for_cpu(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
+ }
+@@ -563,7 +563,7 @@
+
+ BUG_ON(skb == NULL);
+
+- dma_unmap_single(&bp->sdev->dev,
++ dma_unmap_single(bp->sdev->dev,
+ pci_unmap_addr(rp, mapping),
+ skb->len,
+ DMA_TO_DEVICE);
+@@ -603,7 +603,7 @@
+ if (skb == NULL)
+ return -ENOMEM;
+
+- mapping = dma_map_single(&bp->sdev->dev, skb->data,
++ mapping = dma_map_single(bp->sdev->dev, skb->data,
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+
+@@ -613,18 +613,18 @@
+ mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
+ /* Sigh... */
+ if (!dma_mapping_error(mapping))
+- dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
++ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+ dev_kfree_skb_any(skb);
+ skb = __dev_alloc_skb(RX_PKT_BUF_SZ,GFP_DMA);
+ if (skb == NULL)
+ return -ENOMEM;
+- mapping = dma_map_single(&bp->sdev->dev, skb->data,
++ mapping = dma_map_single(bp->sdev->dev, skb->data,
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(mapping) ||
+ mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
+ if (!dma_mapping_error(mapping))
+- dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
++ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+ dev_kfree_skb_any(skb);
+ return -ENOMEM;
+ }
+@@ -702,7 +702,7 @@
+ dest_idx * sizeof(dest_desc),
+ DMA_BIDIRECTIONAL);
+
+- dma_sync_single_for_device(&bp->sdev->dev, le32_to_cpu(src_desc->addr),
++ dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr),
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+ }
+@@ -724,7 +724,7 @@
+ struct rx_header *rh;
+ u16 len;
+
+- dma_sync_single_for_cpu(&bp->sdev->dev, map,
++ dma_sync_single_for_cpu(bp->sdev->dev, map,
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+ rh = (struct rx_header *) skb->data;
+@@ -758,7 +758,7 @@
+ skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
+ if (skb_size < 0)
+ goto drop_it;
+- dma_unmap_single(&bp->sdev->dev, map,
++ dma_unmap_single(bp->sdev->dev, map,
+ skb_size, DMA_FROM_DEVICE);
+ /* Leave out rx_header */
+ skb_put(skb, len+bp->rx_offset);
+@@ -931,22 +931,22 @@
+ goto err_out;
+ }
+
+- mapping = dma_map_single(&bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
++ mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
+ if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
+ /* Chip can't handle DMA to/from >1GB, use bounce buffer */
+ if (!dma_mapping_error(mapping))
+- dma_unmap_single(&bp->sdev->dev, mapping, len, DMA_TO_DEVICE);
++ dma_unmap_single(bp->sdev->dev, mapping, len, DMA_TO_DEVICE);
+
+ bounce_skb = __dev_alloc_skb(TX_PKT_BUF_SZ,
+ GFP_ATOMIC|GFP_DMA);
+ if (!bounce_skb)
+ goto err_out;
+
+- mapping = dma_map_single(&bp->sdev->dev, bounce_skb->data,
++ mapping = dma_map_single(bp->sdev->dev, bounce_skb->data,
+ len, DMA_TO_DEVICE);
+ if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
+ if (!dma_mapping_error(mapping))
+- dma_unmap_single(&bp->sdev->dev, mapping,
++ dma_unmap_single(bp->sdev->dev, mapping,
+ len, DMA_TO_DEVICE);
+ dev_kfree_skb_any(bounce_skb);
+ goto err_out;
+@@ -1046,7 +1046,7 @@
+
+ if (rp->skb == NULL)
+ continue;
+- dma_unmap_single(&bp->sdev->dev,
++ dma_unmap_single(bp->sdev->dev,
+ pci_unmap_addr(rp, mapping),
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+@@ -1060,7 +1060,7 @@
+
+ if (rp->skb == NULL)
+ continue;
+- dma_unmap_single(&bp->sdev->dev,
++ dma_unmap_single(bp->sdev->dev,
+ pci_unmap_addr(rp, mapping),
+ rp->skb->len,
+ DMA_TO_DEVICE);
+@@ -1085,12 +1085,12 @@
+ memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
+
+ if (bp->flags & B44_FLAG_RX_RING_HACK)
+- dma_sync_single_for_device(&bp->sdev->dev, bp->rx_ring_dma,
++ dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
+
+ if (bp->flags & B44_FLAG_TX_RING_HACK)
+- dma_sync_single_for_device(&bp->sdev->dev, bp->tx_ring_dma,
++ dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
+
+@@ -1112,24 +1112,24 @@
+ bp->tx_buffers = NULL;
+ if (bp->rx_ring) {
+ if (bp->flags & B44_FLAG_RX_RING_HACK) {
+- dma_unmap_single(&bp->sdev->dev, bp->rx_ring_dma,
++ dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
+ kfree(bp->rx_ring);
+ } else
+- dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES,
++ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
+ bp->rx_ring, bp->rx_ring_dma);
+ bp->rx_ring = NULL;
+ bp->flags &= ~B44_FLAG_RX_RING_HACK;
+ }
+ if (bp->tx_ring) {
+ if (bp->flags & B44_FLAG_TX_RING_HACK) {
+- dma_unmap_single(&bp->sdev->dev, bp->tx_ring_dma,
++ dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
+ kfree(bp->tx_ring);
+ } else
+- dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES,
++ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
+ bp->tx_ring, bp->tx_ring_dma);
+ bp->tx_ring = NULL;
+ bp->flags &= ~B44_FLAG_TX_RING_HACK;
+@@ -1155,7 +1155,7 @@
+ goto out_err;
+
+ size = DMA_TABLE_BYTES;
+- bp->rx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC);
++ bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC);
+ if (!bp->rx_ring) {
+ /* Allocation may have failed due to pci_alloc_consistent
+ insisting on use of GFP_DMA, which is more restrictive
+@@ -1167,7 +1167,7 @@
+ if (!rx_ring)
+ goto out_err;
+
+- rx_ring_dma = dma_map_single(&bp->sdev->dev, rx_ring,
++ rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
+
+@@ -1182,7 +1182,7 @@
+ bp->flags |= B44_FLAG_RX_RING_HACK;
+ }
+
+- bp->tx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC);
++ bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC);
+ if (!bp->tx_ring) {
+ /* Allocation may have failed due to dma_alloc_coherent
+ insisting on use of GFP_DMA, which is more restrictive
+@@ -1194,7 +1194,7 @@
+ if (!tx_ring)
+ goto out_err;
+
+- tx_ring_dma = dma_map_single(&bp->sdev->dev, tx_ring,
++ tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
+
+@@ -2314,13 +2314,13 @@
+
+ dev = alloc_etherdev(sizeof(*bp));
+ if (!dev) {
+- dev_err(&sdev->dev, "Etherdev alloc failed, aborting.\n");
++ dev_err(sdev->dev, "Etherdev alloc failed, aborting.\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
+ SET_MODULE_OWNER(dev);
+- SET_NETDEV_DEV(dev,&sdev->dev);
++ SET_NETDEV_DEV(dev,sdev->dev);
+
+ /* No interesting netdevice features in this card... */
+ dev->features |= 0;
+@@ -2358,7 +2358,7 @@
+
+ err = b44_get_invariants(bp);
+ if (err) {
+- dev_err(&sdev->dev,
++ dev_err(sdev->dev,
+ "Problem fetching invariants of chip, aborting.\n");
+ goto err_out_free_dev;
+ }
+@@ -2379,7 +2379,7 @@
+
+ err = register_netdev(dev);
+ if (err) {
+- dev_err(&sdev->dev, "Cannot register net device, aborting.\n");
++ dev_err(sdev->dev, "Cannot register net device, aborting.\n");
+ goto out;
+ }
+
+@@ -2458,7 +2458,6 @@
+ rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
+ if (rc) {
+ printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name);
+- pci_disable_device(pdev);
+ return rc;
+ }
+
diff --git a/target/linux/brcm47xx-2.6/patches/205-ssb_integrate.patch b/target/linux/brcm47xx-2.6/patches/205-ssb_integrate.patch
new file mode 100644
index 000000000..67882454d
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/patches/205-ssb_integrate.patch
@@ -0,0 +1,78 @@
+Index: linux-2.6.22-rc4/drivers/usb/host/Kconfig
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/usb/host/Kconfig 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/drivers/usb/host/Kconfig 2007-06-10 21:33:24.000000000 +0100
+@@ -142,6 +142,19 @@
+ Enables support for PCI-bus plug-in USB controller cards.
+ If unsure, say Y.
+
++config USB_OHCI_HCD_SSB
++ bool "OHCI support for the Broadcom SSB OHCI core (embedded systems only)"
++ depends on USB_OHCI_HCD && ((USB_OHCI_HCD=m && SSB) || (USB_OHCI_HCD=y && SSB=y)) && EXPERIMENTAL
++ default n
++ ---help---
++ Support for the Sonics Silicon Backplane (SSB) attached
++ Broadcom USB OHCI core.
++
++ This device is only present in some embedded devices with
++ Broadcom based SSB bus.
++
++ If unsure, say N.
++
+ config USB_OHCI_BIG_ENDIAN_DESC
+ bool
+ depends on USB_OHCI_HCD
+Index: linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/usb/host/ohci-hcd.c 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c 2007-06-10 21:33:24.000000000 +0100
+@@ -920,11 +920,17 @@
+ #define PS3_SYSTEM_BUS_DRIVER ps3_ohci_sb_driver
+ #endif
+
++#ifdef CONFIG_USB_OHCI_HCD_SSB
++#include "ohci-ssb.c"
++#define SSB_OHCI_DRIVER ssb_ohci_driver
++#endif
++
+ #if !defined(PCI_DRIVER) && \
+ !defined(PLATFORM_DRIVER) && \
+ !defined(OF_PLATFORM_DRIVER) && \
+ !defined(SA1111_DRIVER) && \
+- !defined(PS3_SYSTEM_BUS_DRIVER)
++ !defined(PS3_SYSTEM_BUS_DRIVER) && \
++ !defined(SSB_OHCI_DRIVER)
+ #error "missing bus glue for ohci-hcd"
+ #endif
+
+@@ -972,10 +978,20 @@
+ goto error_pci;
+ #endif
+
++#ifdef SSB_OHCI_DRIVER
++ retval = ssb_driver_register(&SSB_OHCI_DRIVER);
++ if (retval)
++ goto error_ssb;
++#endif
++
+ return retval;
+
+ /* Error path */
++#ifdef SSB_OHCI_DRIVER
++ error_ssb:
++#endif
+ #ifdef PCI_DRIVER
++ pci_unregister_driver(&PCI_DRIVER);
+ error_pci:
+ #endif
+ #ifdef SA1111_DRIVER
+@@ -1001,6 +1017,9 @@
+
+ static void __exit ohci_hcd_mod_exit(void)
+ {
++#ifdef SSB_OHCI_DRIVER
++ ssb_driver_unregister(&SSB_OHCI_DRIVER);
++#endif
+ #ifdef PCI_DRIVER
+ pci_unregister_driver(&PCI_DRIVER);
+ #endif
diff --git a/target/linux/brcm47xx-2.6/patches/210-ssb_merge.patch b/target/linux/brcm47xx-2.6/patches/210-ssb_merge.patch
new file mode 100644
index 000000000..21986b342
--- /dev/null
+++ b/target/linux/brcm47xx-2.6/patches/210-ssb_merge.patch
@@ -0,0 +1,421 @@
+Index: linux-2.6.22-rc4/drivers/ssb/driver_chipcommon.c
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/ssb/driver_chipcommon.c 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/drivers/ssb/driver_chipcommon.c 2007-06-10 21:33:25.000000000 +0100
+@@ -264,6 +264,31 @@
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+ }
+
++/* TODO: These two functions are a clear candidate for merging, but one gets
++ * the processor clock, and the other gets the bus clock.
++ */
++void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
++ u32 *plltype, u32 *n, u32 *m)
++{
++ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
++ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
++ switch (*plltype) {
++ case SSB_PLLTYPE_2:
++ case SSB_PLLTYPE_4:
++ case SSB_PLLTYPE_6:
++ case SSB_PLLTYPE_7:
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
++ break;
++ case SSB_PLLTYPE_3:
++ /* 5350 uses m2 to control mips */
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
++ break;
++ default:
++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
++ break;
++ }
++}
++
+ void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+ {
+@@ -400,3 +425,13 @@
+ return nr_ports;
+ }
+ #endif /* CONFIG_SSB_SERIAL */
++
++/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
++int
++ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks)
++{
++ /* instant NMI */
++ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
++ return 0;
++}
++EXPORT_SYMBOL(ssb_chipco_watchdog);
+Index: linux-2.6.22-rc4/drivers/ssb/driver_mipscore.c
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/ssb/driver_mipscore.c 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/drivers/ssb/driver_mipscore.c 2007-06-10 21:33:25.000000000 +0100
+@@ -4,6 +4,7 @@
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
++ * Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+@@ -31,6 +32,16 @@
+ ssb_write32(mcore->dev, offset, value);
+ }
+
++static inline u32 extif_read32(struct ssb_extif *extif, u16 offset)
++{
++ return ssb_read32(extif->dev, offset);
++}
++
++static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value)
++{
++ ssb_write32(extif->dev, offset, value);
++}
++
+ static const u32 ipsflag_irq_mask[] = {
+ 0,
+ SSB_IPSFLAG_IRQ1,
+@@ -118,9 +129,9 @@
+ }
+
+ /* XXX: leave here or move into separate extif driver? */
+-static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports)
++static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports)
+ {
+-
++ return 0;
+ }
+
+
+@@ -174,23 +185,76 @@
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
+
++ mcore->flash_buswidth = 2;
+ if (bus->chipco.dev) {
+ mcore->flash_window = 0x1c000000;
+- mcore->flash_window_size = 0x800000;
++ mcore->flash_window_size = 0x02000000;
++ if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
++ & SSB_CHIPCO_CFG_DS16) == 0)
++ mcore->flash_buswidth = 1;
+ } else {
+ mcore->flash_window = 0x1fc00000;
+- mcore->flash_window_size = 0x400000;
++ mcore->flash_window_size = 0x00400000;
+ }
+ }
+
++static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns)
++{
++ u32 tmp;
++
++ /* Initialize extif so we can get to the LEDs and external UART */
++ extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN);
++
++ /* Set timing for the flash */
++ tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
++ tmp |= ceildiv(40, ns) << SSB_PROG_WCNT_1_SHIFT;
++ tmp |= ceildiv(120, ns);
++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
++
++ /* Set programmable interface timing for external uart */
++ tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
++ tmp |= ceildiv(20, ns) << SSB_PROG_WCNT_2_SHIFT;
++ tmp |= ceildiv(100, ns) << SSB_PROG_WCNT_1_SHIFT;
++ tmp |= ceildiv(120, ns);
++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
++}
+
+-static void ssb_cpu_clock(struct ssb_mipscore *mcore)
++static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
++ u32 *pll_type, u32 *n, u32 *m)
+ {
++ *pll_type = SSB_PLLTYPE_1;
++ *n = extif_read32(extif, SSB_EXTIF_CLOCK_N);
++ *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
+ }
+
+-void ssb_mipscore_init(struct ssb_mipscore *mcore)
++u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
++ u32 pll_type, n, m, rate = 0;
++
++ if (bus->extif.dev) {
++ ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m);
++ } else if (bus->chipco.dev) {
++ ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m);
++ } else
++ return 0;
++
++ if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) {
++ rate = 200000000;
++ } else {
++ rate = ssb_calc_clock_rate(pll_type, n, m);
++ }
++
++ if (pll_type == SSB_PLLTYPE_6) {
++ rate *= 2;
++ }
++
++ return rate;
++}
++
++void ssb_mipscore_init(struct ssb_mipscore *mcore)
++{
++ struct ssb_bus *bus;
+ struct ssb_device *dev;
+ unsigned long hz, ns;
+ unsigned int irq, i;
+@@ -198,6 +262,8 @@
+ if (!mcore->dev)
+ return; /* We don't have a MIPS core */
+
++ bus = mcore->dev->bus;
++
+ ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n");
+
+ hz = ssb_clockspeed(bus);
+@@ -205,28 +271,9 @@
+ hz = 100000000;
+ ns = 1000000000 / hz;
+
+-//TODO
+-#if 0
+- if (have EXTIF) {
+- /* Initialize extif so we can get to the LEDs and external UART */
+- W_REG(&eir->prog_config, CF_EN);
+-
+- /* Set timing for the flash */
+- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+- tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */
+- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+- W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */
+-
+- /* Set programmable interface timing for external uart */
+- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */
+- tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */
+- tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */
+- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */
+- W_REG(&eir->prog_waitcount, tmp);
+- }
+- else... chipcommon
+-#endif
+- if (bus->chipco.dev)
++ if (bus->extif.dev)
++ ssb_extif_timing_init(&bus->extif, ns);
++ else if (bus->chipco.dev)
+ ssb_chipco_timing_init(&bus->chipco, ns);
+
+ /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */
+@@ -256,3 +303,5 @@
+ ssb_mips_serial_init(mcore);
+ ssb_mips_flash_detect(mcore);
+ }
++
++EXPORT_SYMBOL(ssb_mips_irq);
+Index: linux-2.6.22-rc4/drivers/ssb/driver_pcicore.c
+===================================================================
+--- linux-2.6.22-rc4.orig/drivers/ssb/driver_pcicore.c 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/drivers/ssb/driver_pcicore.c 2007-06-10 21:33:25.000000000 +0100
+@@ -93,6 +93,9 @@
+
+ /* Enable PCI bridge BAR1 prefetch and burst */
+ pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
++
++ /* Make sure our latency is high enough to handle the devices behind us */
++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8);
+ }
+ DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);
+
+@@ -110,7 +113,7 @@
+
+ if (unlikely(pc->cardbusmode && dev > 1))
+ goto out;
+- if (bus == 0) {
++ if (bus == 0) {//FIXME busnumber ok?
+ /* Type 0 transaction */
+ if (unlikely(dev >= SSB_PCI_SLOT_MAX))
+ goto out;
+@@ -224,7 +227,7 @@
+ val = *((const u32 *)buf);
+ break;
+ }
+- writel(*((const u32 *)buf), mmio);
++ writel(val, mmio);
+
+ err = 0;
+ unmap:
+@@ -307,6 +310,8 @@
+ udelay(150);
+ val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */
+ pcicore_write32(pc, SSB_PCICORE_CTL, val);
++ val = SSB_PCICORE_ARBCTL_INTERN;
++ pcicore_write32(pc, SSB_PCICORE_ARBCTL, val);
+ udelay(1);
+
+ //TODO cardbus mode
+@@ -336,6 +341,7 @@
+ * The following needs change, if we want to port hostmode
+ * to non-MIPS platform. */
+ set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000));
++ mdelay(300);
+ register_pci_controller(&ssb_pcicore_controller);
+ }
+
+Index: linux-2.6.22-rc4/include/linux/ssb/ssb_driver_chipcommon.h
+===================================================================
+--- linux-2.6.22-rc4.orig/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-10 21:33:25.000000000 +0100
+@@ -364,6 +364,8 @@
+ extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
+ extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
+
++extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
++ u32 *plltype, u32 *n, u32 *m);
+ extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m);
+ extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
+@@ -378,6 +380,46 @@
+ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
+ enum ssb_clkmode mode);
+
++/* GPIO functions */
++static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc,
++ u32 mask)
++{
++ return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask;
++}
++
++static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOIRQ, mask, value);
++}
++
++static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOPOL, mask, value);
++}
++/* TODO: GPIO reservation */
++
++extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks);
++
+ #ifdef CONFIG_SSB_SERIAL
+ extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
+ struct ssb_serial_port *ports);
+Index: linux-2.6.22-rc4/include/linux/ssb/ssb_driver_extif.h
+===================================================================
+--- linux-2.6.22-rc4.orig/include/linux/ssb/ssb_driver_extif.h 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/include/linux/ssb/ssb_driver_extif.h 2007-06-10 21:33:25.000000000 +0100
+@@ -158,6 +158,36 @@
+ /* watchdog */
+ #define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */
+
++/* GPIO functions */
++static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif,
++ u32 mask)
++{
++ return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask;
++}
++
++static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value);
++}
++
++static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value);
++}
++
++static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value);
++}
++
++static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif,
++ u32 mask, u32 value)
++{
++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value);
++}
+
+ #endif /* __KERNEL__ */
+ #endif /* LINUX_SSB_EXTIFCORE_H_ */
+Index: linux-2.6.22-rc4/include/linux/ssb/ssb_driver_mips.h
+===================================================================
+--- linux-2.6.22-rc4.orig/include/linux/ssb/ssb_driver_mips.h 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/include/linux/ssb/ssb_driver_mips.h 2007-06-10 21:33:25.000000000 +0100
+@@ -22,11 +22,13 @@
+ int nr_serial_ports;
+ struct ssb_serial_port serial_ports[4];
+
++ int flash_buswidth;
+ u32 flash_window;
+ u32 flash_window_size;
+ };
+
+ extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
++extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
+
+ extern unsigned int ssb_mips_irq(struct ssb_device *dev);
+
+Index: linux-2.6.22-rc4/include/linux/ssb/ssb.h
+===================================================================
+--- linux-2.6.22-rc4.orig/include/linux/ssb/ssb.h 2007-06-10 21:32:11.000000000 +0100
++++ linux-2.6.22-rc4/include/linux/ssb/ssb.h 2007-06-10 21:33:25.000000000 +0100
+@@ -263,6 +263,12 @@
+ #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
+ #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
+
++static inline u16 ssb_read16(struct ssb_device *dev, u16 offset);
++static inline u32 ssb_read32(struct ssb_device *dev, u16 offset);
++static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value);
++static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value);
++static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value);
++
+ #include <linux/ssb/ssb_driver_chipcommon.h>
+ #include <linux/ssb/ssb_driver_mips.h>
+ #include <linux/ssb/ssb_driver_extif.h>
+@@ -369,6 +375,16 @@
+ dev->ops->write32(dev, offset, value);
+ }
+
++static inline u32 ssb_write32_masked(struct ssb_device *dev,
++ u16 offset,
++ u32 mask,
++ u32 value)
++{
++ value &= mask;
++ value |= ssb_read32(dev, offset) & ~mask;
++ ssb_write32(dev, offset, value);
++ return value;
++}
+
+ /* Translation (routing) bits that need to be ORed to DMA
+ * addresses before they are given to a device. */