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-rw-r--r--drivers/bcma/Kconfig13
-rw-r--r--drivers/bcma/Makefile2
-rw-r--r--drivers/bcma/bcma_private.h16
-rw-r--r--drivers/bcma/core.c2
-rw-r--r--drivers/bcma/driver_chipcommon.c53
-rw-r--r--drivers/bcma/driver_chipcommon_pmu.c191
-rw-r--r--drivers/bcma/driver_mips.c256
-rw-r--r--drivers/bcma/driver_pci.c16
-rw-r--r--drivers/bcma/host_soc.c183
-rw-r--r--drivers/bcma/main.c70
-rw-r--r--drivers/bcma/scan.c348
-rw-r--r--drivers/bcma/sprom.c15
12 files changed, 1041 insertions, 124 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index ae0a02e1b808..c1172dafdffa 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -33,6 +33,19 @@ config BCMA_DRIVER_PCI_HOSTMODE
help
PCI core hostmode operation (external PCI bus).
+config BCMA_HOST_SOC
+ bool
+ depends on BCMA_DRIVER_MIPS
+
+config BCMA_DRIVER_MIPS
+ bool "BCMA Broadcom MIPS core driver"
+ depends on BCMA && MIPS
+ help
+ Driver for the Broadcom MIPS core attached to Broadcom specific
+ Advanced Microcontroller Bus.
+
+ If unsure, say N
+
config BCMA_DEBUG
bool "BCMA debugging"
depends on BCMA
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
index a2161cceafb9..82de24e5340c 100644
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -2,7 +2,9 @@ bcma-y += main.o scan.o core.o sprom.o
bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
bcma-y += driver_pci.o
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
+bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o
+bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o
obj-$(CONFIG_BCMA) += bcma.o
ccflags-$(CONFIG_BCMA_DEBUG) := -DDEBUG
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index e02ff21835c9..30a3085d3354 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -15,13 +15,29 @@ struct bcma_bus;
/* main.c */
int bcma_bus_register(struct bcma_bus *bus);
void bcma_bus_unregister(struct bcma_bus *bus);
+int __init bcma_bus_early_register(struct bcma_bus *bus,
+ struct bcma_device *core_cc,
+ struct bcma_device *core_mips);
/* scan.c */
int bcma_bus_scan(struct bcma_bus *bus);
+int __init bcma_bus_scan_early(struct bcma_bus *bus,
+ struct bcma_device_id *match,
+ struct bcma_device *core);
+void bcma_init_bus(struct bcma_bus *bus);
/* sprom.c */
int bcma_sprom_get(struct bcma_bus *bus);
+/* driver_chipcommon.c */
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
+
+/* driver_chipcommon_pmu.c */
+u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc);
+u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc);
+
#ifdef CONFIG_BCMA_HOST_PCI
/* host_pci.c */
extern int __init bcma_host_pci_init(void);
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 4a04a49cc06d..189a97b51be9 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -110,6 +110,8 @@ EXPORT_SYMBOL_GPL(bcma_core_pll_ctl);
u32 bcma_core_dma_translation(struct bcma_device *core)
{
switch (core->bus->hosttype) {
+ case BCMA_HOSTTYPE_SOC:
+ return 0;
case BCMA_HOSTTYPE_PCI:
if (bcma_aread32(core, BCMA_IOST) & BCMA_IOST_DMA64)
return BCMA_DMA_TRANSLATION_DMA64_CMT;
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index 851e05bc948a..47cce9d69630 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -26,6 +26,9 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
u32 leddc_on = 10;
u32 leddc_off = 90;
+ if (cc->setup_done)
+ return;
+
if (cc->core->id.rev >= 11)
cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
@@ -52,6 +55,8 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) |
(leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
}
+
+ cc->setup_done = true;
}
/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
@@ -101,3 +106,51 @@ u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
}
+
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
+{
+ unsigned int irq;
+ u32 baud_base;
+ u32 i;
+ unsigned int ccrev = cc->core->id.rev;
+ struct bcma_serial_port *ports = cc->serial_ports;
+
+ if (ccrev >= 11 && ccrev != 15) {
+ /* Fixed ALP clock */
+ baud_base = bcma_pmu_alp_clock(cc);
+ if (ccrev >= 21) {
+ /* Turn off UART clock before switching clocksource. */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ & ~BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ /* Set the override bit so we don't divide it */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ | BCMA_CC_CORECTL_UARTCLK0);
+ if (ccrev >= 21) {
+ /* Re-enable the UART clock. */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ | BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ } else {
+ pr_err("serial not supported on this device ccrev: 0x%x\n",
+ ccrev);
+ return;
+ }
+
+ irq = bcma_core_mips_irq(cc->core);
+
+ /* Determine the registers of the UARTs */
+ cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART);
+ for (i = 0; i < cc->nr_serial_ports; i++) {
+ ports[i].regs = cc->core->io_addr + BCMA_CC_UART0_DATA +
+ (i * 256);
+ ports[i].irq = irq;
+ ports[i].baud_base = baud_base;
+ ports[i].reg_shift = 0;
+ }
+}
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index fcc63db0ce75..2968d809d49f 100644
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -11,20 +11,47 @@
#include "bcma_private.h"
#include <linux/bcma/bcma.h>
-static void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
- u32 offset, u32 mask, u32 set)
+static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
{
- u32 value;
+ bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
+ bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
+ return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
+}
- bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
+void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
+{
+ bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
+ bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
+ bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
+
+void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+ u32 set)
+{
+ bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
+ bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
+ bcma_cc_maskset32(cc, BCMA_CC_PLLCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
+
+void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
+ u32 offset, u32 mask, u32 set)
+{
bcma_cc_write32(cc, BCMA_CC_CHIPCTL_ADDR, offset);
bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
- value = bcma_cc_read32(cc, BCMA_CC_CHIPCTL_DATA);
- value &= mask;
- value |= set;
- bcma_cc_write32(cc, BCMA_CC_CHIPCTL_DATA, value);
- bcma_cc_read32(cc, BCMA_CC_CHIPCTL_DATA);
+ bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
+
+void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+ u32 set)
+{
+ bcma_cc_write32(cc, BCMA_CC_REGCTL_ADDR, offset);
+ bcma_cc_read32(cc, BCMA_CC_REGCTL_ADDR);
+ bcma_cc_maskset32(cc, BCMA_CC_REGCTL_DATA, mask, set);
}
+EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
{
@@ -83,6 +110,24 @@ void bcma_pmu_swreg_init(struct bcma_drv_cc *cc)
}
}
+/* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 val;
+
+ val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
+ if (enable) {
+ val |= BCMA_CHIPCTL_4331_EXTPA_EN;
+ if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
+ val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+ } else {
+ val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
+ val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+ }
+ bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
+}
+
void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
@@ -92,7 +137,7 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7);
break;
case 0x4331:
- pr_err("Enabling Ext PA lines not implemented\n");
+ /* BCM4331 workaround is SPROM-related, we put it in sprom.c */
break;
case 43224:
if (bus->chipinfo.rev == 0) {
@@ -136,3 +181,129 @@ void bcma_pmu_init(struct bcma_drv_cc *cc)
bcma_pmu_swreg_init(cc);
bcma_pmu_workarounds(cc);
}
+
+u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case 0x4716:
+ case 0x4748:
+ case 47162:
+ case 0x4313:
+ case 0x5357:
+ case 0x4749:
+ case 53572:
+ /* always 20Mhz */
+ return 20000 * 1000;
+ case 0x5356:
+ case 0x5300:
+ /* always 25Mhz */
+ return 25000 * 1000;
+ default:
+ pr_warn("No ALP clock specified for %04X device, "
+ "pmu rev. %d, using default %d Hz\n",
+ bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
+ }
+ return BCMA_CC_PMU_ALP_CLOCK;
+}
+
+/* Find the output of the "m" pll divider given pll controls that start with
+ * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
+ */
+static u32 bcma_pmu_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
+{
+ u32 tmp, div, ndiv, p1, p2, fc;
+ struct bcma_bus *bus = cc->core->bus;
+
+ BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
+
+ BUG_ON(!m || m > 4);
+
+ if (bus->chipinfo.id == 0x5357 || bus->chipinfo.id == 0x4749) {
+ /* Detect failure in clock setting */
+ tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
+ if (tmp & 0x40000)
+ return 133 * 1000000;
+ }
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
+ p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
+ p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
+ div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
+ BCMA_CC_PPL_MDIV_MASK;
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
+ ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
+
+ /* Do calculation in Mhz */
+ fc = bcma_pmu_alp_clock(cc) / 1000000;
+ fc = (p1 * ndiv * fc) / p2;
+
+ /* Return clock in Hertz */
+ return (fc / div) * 1000000;
+}
+
+/* query bus clock frequency for PMU-enabled chipcommon */
+u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case 0x4716:
+ case 0x4748:
+ case 47162:
+ return bcma_pmu_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case 0x5356:
+ return bcma_pmu_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case 0x5357:
+ case 0x4749:
+ return bcma_pmu_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case 0x5300:
+ return bcma_pmu_clock(cc, BCMA_CC_PMU4706_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case 53572:
+ return 75000000;
+ default:
+ pr_warn("No backplane clock specified for %04X device, "
+ "pmu rev. %d, using default %d Hz\n",
+ bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
+ }
+ return BCMA_CC_PMU_HT_CLOCK;
+}
+
+/* query cpu clock frequency for PMU-enabled chipcommon */
+u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id == 53572)
+ return 300000000;
+
+ if (cc->pmu.rev >= 5) {
+ u32 pll;
+ switch (bus->chipinfo.id) {
+ case 0x5356:
+ pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
+ break;
+ case 0x5357:
+ case 0x4749:
+ pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
+ break;
+ default:
+ pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
+ break;
+ }
+
+ /* TODO: if (bus->chipinfo.id == 0x5300)
+ return si_4706_pmu_clock(sih, osh, cc, PMU4706_MAINPLL_PLL0, PMU5_MAINPLL_CPU); */
+ return bcma_pmu_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
+ }
+
+ return bcma_pmu_get_clockcontrol(cc);
+}
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
new file mode 100644
index 000000000000..c3e9dff4224e
--- /dev/null
+++ b/drivers/bcma/driver_mips.c
@@ -0,0 +1,256 @@
+/*
+ * Broadcom specific AMBA
+ * Broadcom MIPS32 74K core driver
+ *
+ * Copyright 2009, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
+ * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_reg.h>
+#include <linux/time.h>
+
+/* The 47162a0 hangs when reading MIPS DMP registers registers */
+static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
+{
+ return dev->bus->chipinfo.id == 47162 && dev->bus->chipinfo.rev == 0 &&
+ dev->id.id == BCMA_CORE_MIPS_74K;
+}
+
+/* The 5357b0 hangs when reading USB20H DMP registers */
+static inline bool bcma_core_mips_bcm5357b0_quirk(struct bcma_device *dev)
+{
+ return (dev->bus->chipinfo.id == 0x5357 ||
+ dev->bus->chipinfo.id == 0x4749) &&
+ dev->bus->chipinfo.pkg == 11 &&
+ dev->id.id == BCMA_CORE_USB20_HOST;
+}
+
+static inline u32 mips_read32(struct bcma_drv_mips *mcore,
+ u16 offset)
+{
+ return bcma_read32(mcore->core, offset);
+}
+
+static inline void mips_write32(struct bcma_drv_mips *mcore,
+ u16 offset,
+ u32 value)
+{
+ bcma_write32(mcore->core, offset, value);
+}
+
+static const u32 ipsflag_irq_mask[] = {
+ 0,
+ BCMA_MIPS_IPSFLAG_IRQ1,
+ BCMA_MIPS_IPSFLAG_IRQ2,
+ BCMA_MIPS_IPSFLAG_IRQ3,
+ BCMA_MIPS_IPSFLAG_IRQ4,
+};
+
+static const u32 ipsflag_irq_shift[] = {
+ 0,
+ BCMA_MIPS_IPSFLAG_IRQ1_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ2_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ3_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ4_SHIFT,
+};
+
+static u32 bcma_core_mips_irqflag(struct bcma_device *dev)
+{
+ u32 flag;
+
+ if (bcma_core_mips_bcm47162a0_quirk(dev))
+ return dev->core_index;
+ if (bcma_core_mips_bcm5357b0_quirk(dev))
+ return dev->core_index;
+ flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30);
+
+ return flag & 0x1F;
+}
+
+/* Get the MIPS IRQ assignment for a specified device.
+ * If unassigned, 0 is returned.
+ */
+unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+{
+ struct bcma_device *mdev = dev->bus->drv_mips.core;
+ u32 irqflag;
+ unsigned int irq;
+
+ irqflag = bcma_core_mips_irqflag(dev);
+
+ for (irq = 1; irq <= 4; irq++)
+ if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) &
+ (1 << irqflag))
+ return irq;
+
+ return 0;
+}
+EXPORT_SYMBOL(bcma_core_mips_irq);
+
+static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
+{
+ unsigned int oldirq = bcma_core_mips_irq(dev);
+ struct bcma_bus *bus = dev->bus;
+ struct bcma_device *mdev = bus->drv_mips.core;
+ u32 irqflag;
+
+ irqflag = bcma_core_mips_irqflag(dev);
+ BUG_ON(oldirq == 6);
+
+ dev->irq = irq + 2;
+
+ /* clear the old irq */
+ if (oldirq == 0)
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) &
+ ~(1 << irqflag));
+ else
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq), 0);
+
+ /* assign the new one */
+ if (irq == 0) {
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) |
+ (1 << irqflag));
+ } else {
+ u32 oldirqflag = bcma_read32(mdev,
+ BCMA_MIPS_MIPS74K_INTMASK(irq));
+ if (oldirqflag) {
+ struct bcma_device *core;
+
+ /* backplane irq line is in use, find out who uses
+ * it and set user to irq 0
+ */
+ list_for_each_entry_reverse(core, &bus->cores, list) {
+ if ((1 << bcma_core_mips_irqflag(core)) ==
+ oldirqflag) {
+ bcma_core_mips_set_irq(core, 0);
+ break;
+ }
+ }
+ }
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq),
+ 1 << irqflag);
+ }
+
+ pr_info("set_irq: core 0x%04x, irq %d => %d\n",
+ dev->id.id, oldirq + 2, irq + 2);
+}
+
+static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq)
+{
+ int i;
+ static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"};
+ printk(KERN_INFO KBUILD_MODNAME ": core 0x%04x, irq :", dev->id.id);
+ for (i = 0; i <= 6; i++)
+ printk(" %s%s", irq_name[i], i == irq ? "*" : " ");
+ printk("\n");
+}
+
+static void bcma_core_mips_dump_irq(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry_reverse(core, &bus->cores, list) {
+ bcma_core_mips_print_irq(core, bcma_core_mips_irq(core));
+ }
+}
+
+u32 bcma_cpu_clock(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus = mcore->core->bus;
+
+ if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU)
+ return bcma_pmu_get_clockcpu(&bus->drv_cc);
+
+ pr_err("No PMU available, need this to get the cpu clock\n");
+ return 0;
+}
+EXPORT_SYMBOL(bcma_cpu_clock);
+
+static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus = mcore->core->bus;
+
+ switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
+ case BCMA_CC_FLASHT_STSER:
+ case BCMA_CC_FLASHT_ATSER:
+ pr_err("Serial flash not supported.\n");
+ break;
+ case BCMA_CC_FLASHT_PARA:
+ pr_info("found parallel flash.\n");
+ bus->drv_cc.pflash.window = 0x1c000000;
+ bus->drv_cc.pflash.window_size = 0x02000000;
+
+ if ((bcma_read32(bus->drv_cc.core, BCMA_CC_FLASH_CFG) &
+ BCMA_CC_FLASH_CFG_DS) == 0)
+ bus->drv_cc.pflash.buswidth = 1;
+ else
+ bus->drv_cc.pflash.buswidth = 2;
+ break;
+ default:
+ pr_err("flash not supported.\n");
+ }
+}
+
+void bcma_core_mips_init(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus;
+ struct bcma_device *core;
+ bus = mcore->core->bus;
+
+ pr_info("Initializing MIPS core...\n");
+
+ if (!mcore->setup_done)
+ mcore->assigned_irqs = 1;
+
+ /* Assign IRQs to all cores on the bus */
+ list_for_each_entry_reverse(core, &bus->cores, list) {
+ int mips_irq;
+ if (core->irq)
+ continue;
+
+ mips_irq = bcma_core_mips_irq(core);
+ if (mips_irq > 4)
+ core->irq = 0;
+ else
+ core->irq = mips_irq + 2;
+ if (core->irq > 5)
+ continue;
+ switch (core->id.id) {
+ case BCMA_CORE_PCI:
+ case BCMA_CORE_PCIE:
+ case BCMA_CORE_ETHERNET:
+ case BCMA_CORE_ETHERNET_GBIT:
+ case BCMA_CORE_MAC_GBIT:
+ case BCMA_CORE_80211:
+ case BCMA_CORE_USB20_HOST:
+ /* These devices get their own IRQ line if available,
+ * the rest goes on IRQ0
+ */
+ if (mcore->assigned_irqs <= 4)
+ bcma_core_mips_set_irq(core,
+ mcore->assigned_irqs++);
+ break;
+ }
+ }
+ pr_info("IRQ reconfiguration done\n");
+ bcma_core_mips_dump_irq(bus);
+
+ if (mcore->setup_done)
+ return;
+
+ bcma_chipco_serial_init(&bus->drv_cc);
+ bcma_core_mips_flash_detect(mcore);
+ mcore->setup_done = true;
+}
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index 25f3ddf33823..81f3d0a4b856 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -173,7 +173,7 @@ static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
return false;
#ifdef CONFIG_SSB_DRIVER_PCICORE
- if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI)
+ if (bus->sprom.boardflags_lo & SSB_BFL_NOPCI)
return false;
#endif /* CONFIG_SSB_DRIVER_PCICORE */
@@ -189,6 +189,9 @@ static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
void bcma_core_pci_init(struct bcma_drv_pci *pc)
{
+ if (pc->setup_done)
+ return;
+
if (bcma_core_pci_is_in_hostmode(pc)) {
#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
bcma_core_pci_hostmode_init(pc);
@@ -198,6 +201,8 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc)
} else {
bcma_core_pci_clientmode_init(pc);
}
+
+ pc->setup_done = true;
}
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
@@ -205,7 +210,14 @@ int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
{
struct pci_dev *pdev = pc->core->bus->host_pci;
u32 coremask, tmp;
- int err;
+ int err = 0;
+
+ if (core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ /* This bcma device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
if (err)
diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c
new file mode 100644
index 000000000000..3c381fb8f9c4
--- /dev/null
+++ b/drivers/bcma/host_soc.c
@@ -0,0 +1,183 @@
+/*
+ * Broadcom specific AMBA
+ * System on Chip (SoC) Host
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include "scan.h"
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_soc.h>
+
+static u8 bcma_host_soc_read8(struct bcma_device *core, u16 offset)
+{
+ return readb(core->io_addr + offset);
+}
+
+static u16 bcma_host_soc_read16(struct bcma_device *core, u16 offset)
+{
+ return readw(core->io_addr + offset);
+}
+
+static u32 bcma_host_soc_read32(struct bcma_device *core, u16 offset)
+{
+ return readl(core->io_addr + offset);
+}
+
+static void bcma_host_soc_write8(struct bcma_device *core, u16 offset,
+ u8 value)
+{
+ writeb(value, core->io_addr + offset);
+}
+
+static void bcma_host_soc_write16(struct bcma_device *core, u16 offset,
+ u16 value)
+{
+ writew(value, core->io_addr + offset);
+}
+
+static void bcma_host_soc_write32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ writel(value, core->io_addr + offset);
+}
+
+#ifdef CONFIG_BCMA_BLOCKIO
+static void bcma_host_soc_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->io_addr + 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;
+
+ WARN_ON(count & 1);
+ while (count) {
+ *buf = (__force __le16)__raw_readw(addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ __le32 *buf = buffer;
+
+ WARN_ON(count & 3);
+ while (count) {
+ *buf = (__force __le32)__raw_readl(addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ WARN_ON(1);
+ }
+}
+
+static void bcma_host_soc_block_write(struct bcma_device *core,
+ const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->io_addr + 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;
+
+ WARN_ON(count & 1);
+ while (count) {
+ __raw_writew((__force u16)(*buf), addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ const __le32 *buf = buffer;
+
+ WARN_ON(count & 3);
+ while (count) {
+ __raw_writel((__force u32)(*buf), addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ WARN_ON(1);
+ }
+}
+#endif /* CONFIG_BCMA_BLOCKIO */
+
+static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset)
+{
+ return readl(core->io_wrap + offset);
+}
+
+static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ writel(value, core->io_wrap + offset);
+}
+
+const struct bcma_host_ops bcma_host_soc_ops = {
+ .read8 = bcma_host_soc_read8,
+ .read16 = bcma_host_soc_read16,
+ .read32 = bcma_host_soc_read32,
+ .write8 = bcma_host_soc_write8,
+ .write16 = bcma_host_soc_write16,
+ .write32 = bcma_host_soc_write32,
+#ifdef CONFIG_BCMA_BLOCKIO
+ .block_read = bcma_host_soc_block_read,
+ .block_write = bcma_host_soc_block_write,
+#endif
+ .aread32 = bcma_host_soc_aread32,
+ .awrite32 = bcma_host_soc_awrite32,
+};
+
+int __init bcma_host_soc_register(struct bcma_soc *soc)
+{
+ struct bcma_bus *bus = &soc->bus;
+ int err;
+
+ /* iomap only first core. We have to read some register on this core
+ * to scan the bus.
+ */
+ bus->mmio = ioremap_nocache(BCMA_ADDR_BASE, BCMA_CORE_SIZE * 1);
+ if (!bus->mmio)
+ return -ENOMEM;
+
+ /* Host specific */
+ bus->hosttype = BCMA_HOSTTYPE_SOC;
+ bus->ops = &bcma_host_soc_ops;
+
+ /* Register */
+ err = bcma_bus_early_register(bus, &soc->core_cc, &soc->core_mips);
+ if (err)
+ iounmap(bus->mmio);
+
+ return err;
+}
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 73b7b1a18fab..8c09c3e547cd 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -68,6 +68,10 @@ static struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
static void bcma_release_core_dev(struct device *dev)
{
struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ if (core->io_addr)
+ iounmap(core->io_addr);
+ if (core->io_wrap)
+ iounmap(core->io_wrap);
kfree(core);
}
@@ -82,6 +86,7 @@ static int bcma_register_cores(struct bcma_bus *bus)
case BCMA_CORE_CHIPCOMMON:
case BCMA_CORE_PCI:
case BCMA_CORE_PCIE:
+ case BCMA_CORE_MIPS_74K:
continue;
}
@@ -95,7 +100,10 @@ static int bcma_register_cores(struct bcma_bus *bus)
core->dma_dev = &bus->host_pci->dev;
core->irq = bus->host_pci->irq;
break;
- case BCMA_HOSTTYPE_NONE:
+ case BCMA_HOSTTYPE_SOC:
+ core->dev.dma_mask = &core->dev.coherent_dma_mask;
+ core->dma_dev = &core->dev;
+ break;
case BCMA_HOSTTYPE_SDIO:
break;
}
@@ -142,6 +150,13 @@ int bcma_bus_register(struct bcma_bus *bus)
bcma_core_chipcommon_init(&bus->drv_cc);
}
+ /* Init MIPS core */
+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ if (core) {
+ bus->drv_mips.core = core;
+ bcma_core_mips_init(&bus->drv_mips);
+ }
+
/* Init PCIE core */
core = bcma_find_core(bus, BCMA_CORE_PCIE);
if (core) {
@@ -171,6 +186,59 @@ void bcma_bus_unregister(struct bcma_bus *bus)
bcma_unregister_cores(bus);
}
+int __init bcma_bus_early_register(struct bcma_bus *bus,
+ struct bcma_device *core_cc,
+ struct bcma_device *core_mips)
+{
+ int err;
+ struct bcma_device *core;
+ struct bcma_device_id match;
+
+ bcma_init_bus(bus);
+
+ match.manuf = BCMA_MANUF_BCM;
+ match.id = BCMA_CORE_CHIPCOMMON;
+ match.class = BCMA_CL_SIM;
+ match.rev = BCMA_ANY_REV;
+
+ /* Scan for chip common core */
+ err = bcma_bus_scan_early(bus, &match, core_cc);
+ if (err) {
+ pr_err("Failed to scan for common core: %d\n", err);
+ return -1;
+ }
+
+ match.manuf = BCMA_MANUF_MIPS;
+ match.id = BCMA_CORE_MIPS_74K;
+ match.class = BCMA_CL_SIM;
+ match.rev = BCMA_ANY_REV;
+
+ /* Scan for mips core */
+ err = bcma_bus_scan_early(bus, &match, core_mips);
+ if (err) {
+ pr_err("Failed to scan for mips core: %d\n", err);
+ return -1;
+ }
+
+ /* Init CC core */
+ core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON);
+ if (core) {
+ bus->drv_cc.core = core;
+ bcma_core_chipcommon_init(&bus->drv_cc);
+ }
+
+ /* Init MIPS core */
+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ if (core) {
+ bus->drv_mips.core = core;
+ bcma_core_mips_init(&bus->drv_mips);
+ }
+
+ pr_info("Early bus registered\n");
+
+ return 0;
+}
+
int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
{
drv->drv.name = drv->name;
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index 40d7dcce8933..cad994857683 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -200,18 +200,162 @@ static s32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 **eromptr,
return addrl;
}
-int bcma_bus_scan(struct bcma_bus *bus)
+static struct bcma_device *bcma_find_core_by_index(struct bcma_bus *bus,
+ u16 index)
{
- u32 erombase;
- u32 __iomem *eromptr, *eromend;
+ struct bcma_device *core;
+ list_for_each_entry(core, &bus->cores, list) {
+ if (core->core_index == index)
+ return core;
+ }
+ return NULL;
+}
+
+static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
+ struct bcma_device_id *match, int core_num,
+ struct bcma_device *core)
+{
+ s32 tmp;
+ u8 i, j;
s32 cia, cib;
u8 ports[2], wrappers[2];
+ /* get CIs */
+ cia = bcma_erom_get_ci(bus, eromptr);
+ if (cia < 0) {
+ bcma_erom_push_ent(eromptr);
+ if (bcma_erom_is_end(bus, eromptr))
+ return -ESPIPE;
+ return -EILSEQ;
+ }
+ cib = bcma_erom_get_ci(bus, eromptr);
+ if (cib < 0)
+ return -EILSEQ;
+
+ /* parse CIs */
+ core->id.class = (cia & SCAN_CIA_CLASS) >> SCAN_CIA_CLASS_SHIFT;
+ core->id.id = (cia & SCAN_CIA_ID) >> SCAN_CIA_ID_SHIFT;
+ core->id.manuf = (cia & SCAN_CIA_MANUF) >> SCAN_CIA_MANUF_SHIFT;
+ ports[0] = (cib & SCAN_CIB_NMP) >> SCAN_CIB_NMP_SHIFT;
+ ports[1] = (cib & SCAN_CIB_NSP) >> SCAN_CIB_NSP_SHIFT;
+ wrappers[0] = (cib & SCAN_CIB_NMW) >> SCAN_CIB_NMW_SHIFT;
+ wrappers[1] = (cib & SCAN_CIB_NSW) >> SCAN_CIB_NSW_SHIFT;
+ core->id.rev = (cib & SCAN_CIB_REV) >> SCAN_CIB_REV_SHIFT;
+
+ if (((core->id.manuf == BCMA_MANUF_ARM) &&
+ (core->id.id == 0xFFF)) ||
+ (ports[1] == 0)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+
+ /* check if component is a core at all */
+ if (wrappers[0] + wrappers[1] == 0) {
+ /* we could save addrl of the router
+ if (cid == BCMA_CORE_OOB_ROUTER)
+ */
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+
+ if (bcma_erom_is_bridge(bus, eromptr)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+
+ if (bcma_find_core_by_index(bus, core_num)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENODEV;
+ }
+
+ if (match && ((match->manuf != BCMA_ANY_MANUF &&
+ match->manuf != core->id.manuf) ||
+ (match->id != BCMA_ANY_ID && match->id != core->id.id) ||
+ (match->rev != BCMA_ANY_REV && match->rev != core->id.rev) ||
+ (match->class != BCMA_ANY_CLASS && match->class != core->id.class)
+ )) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENODEV;
+ }
+
+ /* get & parse master ports */
+ for (i = 0; i < ports[0]; i++) {
+ s32 mst_port_d = bcma_erom_get_mst_port(bus, eromptr);
+ if (mst_port_d < 0)
+ return -EILSEQ;
+ }
+
+ /* get & parse slave ports */
+ for (i = 0; i < ports[1]; i++) {
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_SLAVE, i);
+ if (tmp < 0) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: slave port %d "
+ * "has %d descriptors\n", i, j); */
+ break;
+ } else {
+ if (i == 0 && j == 0)
+ core->addr = tmp;
+ }
+ }
+ }
+
+ /* get & parse master wrappers */
+ for (i = 0; i < wrappers[0]; i++) {
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_MWRAP, i);
+ if (tmp < 0) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: master wrapper %d "
+ * "has %d descriptors\n", i, j); */
+ break;
+ } else {
+ if (i == 0 && j == 0)
+ core->wrap = tmp;
+ }
+ }
+ }
+
+ /* get & parse slave wrappers */
+ for (i = 0; i < wrappers[1]; i++) {
+ u8 hack = (ports[1] == 1) ? 0 : 1;
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_SWRAP, i + hack);
+ if (tmp < 0) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: master wrapper %d "
+ * has %d descriptors\n", i, j); */
+ break;
+ } else {
+ if (wrappers[0] == 0 && !i && !j)
+ core->wrap = tmp;
+ }
+ }
+ }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
+ if (!core->io_addr)
+ return -ENOMEM;
+ core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE);
+ if (!core->io_wrap) {
+ iounmap(core->io_addr);
+ return -ENOMEM;
+ }
+ }
+ return 0;
+}
+
+void bcma_init_bus(struct bcma_bus *bus)
+{
s32 tmp;
- u8 i, j;
- int err;
+ if (bus->init_done)
+ return;
INIT_LIST_HEAD(&bus->cores);
bus->nr_cores = 0;
@@ -222,9 +366,27 @@ int bcma_bus_scan(struct bcma_bus *bus)
bus->chipinfo.id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT;
bus->chipinfo.rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT;
bus->chipinfo.pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT;
+ bus->init_done = true;
+}
+
+int bcma_bus_scan(struct bcma_bus *bus)
+{
+ u32 erombase;
+ u32 __iomem *eromptr, *eromend;
+
+ int err, core_num = 0;
+
+ bcma_init_bus(bus);
erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
- eromptr = bus->mmio;
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+ if (!eromptr)
+ return -ENOMEM;
+ } else {
+ eromptr = bus->mmio;
+ }
+
eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
bcma_scan_switch_core(bus, erombase);
@@ -236,125 +398,89 @@ int bcma_bus_scan(struct bcma_bus *bus)
INIT_LIST_HEAD(&core->list);
core->bus = bus;
- /* get CIs */
- cia = bcma_erom_get_ci(bus, &eromptr);
- if (cia < 0) {
- bcma_erom_push_ent(&eromptr);
- if (bcma_erom_is_end(bus, &eromptr))
- break;
- err= -EILSEQ;
- goto out;
- }
- cib = bcma_erom_get_ci(bus, &eromptr);
- if (cib < 0) {
- err= -EILSEQ;
- goto out;
- }
-
- /* parse CIs */
- core->id.class = (cia & SCAN_CIA_CLASS) >> SCAN_CIA_CLASS_SHIFT;
- core->id.id = (cia & SCAN_CIA_ID) >> SCAN_CIA_ID_SHIFT;
- core->id.manuf = (cia & SCAN_CIA_MANUF) >> SCAN_CIA_MANUF_SHIFT;
- ports[0] = (cib & SCAN_CIB_NMP) >> SCAN_CIB_NMP_SHIFT;
- ports[1] = (cib & SCAN_CIB_NSP) >> SCAN_CIB_NSP_SHIFT;
- wrappers[0] = (cib & SCAN_CIB_NMW) >> SCAN_CIB_NMW_SHIFT;
- wrappers[1] = (cib & SCAN_CIB_NSW) >> SCAN_CIB_NSW_SHIFT;
- core->id.rev = (cib & SCAN_CIB_REV) >> SCAN_CIB_REV_SHIFT;
-
- if (((core->id.manuf == BCMA_MANUF_ARM) &&
- (core->id.id == 0xFFF)) ||
- (ports[1] == 0)) {
- bcma_erom_skip_component(bus, &eromptr);
+ err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
+ if (err == -ENODEV) {
+ core_num++;
continue;
- }
-
- /* check if component is a core at all */
- if (wrappers[0] + wrappers[1] == 0) {
- /* we could save addrl of the router
- if (cid == BCMA_CORE_OOB_ROUTER)
- */
- bcma_erom_skip_component(bus, &eromptr);
+ } else if (err == -ENXIO)
continue;
- }
+ else if (err == -ESPIPE)
+ break;
+ else if (err < 0)
+ return err;
- if (bcma_erom_is_bridge(bus, &eromptr)) {
- bcma_erom_skip_component(bus, &eromptr);
- continue;
- }
+ core->core_index = core_num++;
+ bus->nr_cores++;
- /* get & parse master ports */
- for (i = 0; i < ports[0]; i++) {
- u32 mst_port_d = bcma_erom_get_mst_port(bus, &eromptr);
- if (mst_port_d < 0) {
- err= -EILSEQ;
- goto out;
- }
- }
+ pr_info("Core %d found: %s "
+ "(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n",
+ core->core_index, bcma_device_name(&core->id),
+ core->id.manuf, core->id.id, core->id.rev,
+ core->id.class);
- /* get & parse slave ports */
- for (i = 0; i < ports[1]; i++) {
- for (j = 0; ; j++) {
- tmp = bcma_erom_get_addr_desc(bus, &eromptr,
- SCAN_ADDR_TYPE_SLAVE, i);
- if (tmp < 0) {
- /* no more entries for port _i_ */
- /* pr_debug("erom: slave port %d "
- * "has %d descriptors\n", i, j); */
- break;
- } else {
- if (i == 0 && j == 0)
- core->addr = tmp;
- }
- }
- }
+ list_add(&core->list, &bus->cores);
+ }
- /* get & parse master wrappers */
- for (i = 0; i < wrappers[0]; i++) {
- for (j = 0; ; j++) {
- tmp = bcma_erom_get_addr_desc(bus, &eromptr,
- SCAN_ADDR_TYPE_MWRAP, i);
- if (tmp < 0) {
- /* no more entries for port _i_ */
- /* pr_debug("erom: master wrapper %d "
- * "has %d descriptors\n", i, j); */
- break;
- } else {
- if (i == 0 && j == 0)
- core->wrap = tmp;
- }
- }
- }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
- /* get & parse slave wrappers */
- for (i = 0; i < wrappers[1]; i++) {
- u8 hack = (ports[1] == 1) ? 0 : 1;
- for (j = 0; ; j++) {
- tmp = bcma_erom_get_addr_desc(bus, &eromptr,
- SCAN_ADDR_TYPE_SWRAP, i + hack);
- if (tmp < 0) {
- /* no more entries for port _i_ */
- /* pr_debug("erom: master wrapper %d "
- * has %d descriptors\n", i, j); */
- break;
- } else {
- if (wrappers[0] == 0 && !i && !j)
- core->wrap = tmp;
- }
- }
- }
+ return 0;
+}
+
+int __init bcma_bus_scan_early(struct bcma_bus *bus,
+ struct bcma_device_id *match,
+ struct bcma_device *core)
+{
+ u32 erombase;
+ u32 __iomem *eromptr, *eromend;
+
+ int err = -ENODEV;
+ int core_num = 0;
+
+ erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+ if (!eromptr)
+ return -ENOMEM;
+ } else {
+ eromptr = bus->mmio;
+ }
+
+ eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
+
+ bcma_scan_switch_core(bus, erombase);
+
+ while (eromptr < eromend) {
+ memset(core, 0, sizeof(*core));
+ INIT_LIST_HEAD(&core->list);
+ core->bus = bus;
+ err = bcma_get_next_core(bus, &eromptr, match, core_num, core);
+ if (err == -ENODEV) {
+ core_num++;
+ continue;
+ } else if (err == -ENXIO)
+ continue;
+ else if (err == -ESPIPE)
+ break;
+ else if (err < 0)
+ return err;
+
+ core->core_index = core_num++;
+ bus->nr_cores++;
pr_info("Core %d found: %s "
"(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n",
- bus->nr_cores, bcma_device_name(&core->id),
+ core->core_index, bcma_device_name(&core->id),
core->id.manuf, core->id.id, core->id.rev,
core->id.class);
- core->core_index = bus->nr_cores++;
list_add(&core->list, &bus->cores);
- continue;
-out:
- return err;
+ err = 0;
+ break;
}
- return 0;
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+
+ return err;
}
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index 8b5b7856abe3..d7292390d236 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -133,6 +133,15 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
}
+
+ bus->sprom.board_rev = sprom[SPOFF(SSB_SPROM8_BOARDREV)];
+
+ bus->sprom.boardflags_lo = sprom[SPOFF(SSB_SPROM8_BFLLO)];
+ bus->sprom.boardflags_hi = sprom[SPOFF(SSB_SPROM8_BFLHI)];
+ bus->sprom.boardflags2_lo = sprom[SPOFF(SSB_SPROM8_BFL2LO)];
+ bus->sprom.boardflags2_hi = sprom[SPOFF(SSB_SPROM8_BFL2HI)];
+
+ bus->sprom.country_code = sprom[SPOFF(SSB_SPROM8_CCODE)];
}
int bcma_sprom_get(struct bcma_bus *bus)
@@ -152,6 +161,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!sprom)
return -ENOMEM;
+ if (bus->chipinfo.id == 0x4331)
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
+
/* Most cards have SPROM moved by additional offset 0x30 (48 dwords).
* According to brcm80211 this applies to cards with PCIe rev >= 6
* TODO: understand this condition and use it */
@@ -159,6 +171,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
BCMA_CC_SPROM_PCIE6;
bcma_sprom_read(bus, offset, sprom);
+ if (bus->chipinfo.id == 0x4331)
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
+
err = bcma_sprom_valid(sprom);
if (err)
goto out;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.