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9943867fae
openwrt-xburst/target/linux/generic/patches-3.0/025-bcma_backport.patch
hauke a604d7454c kernel: update bcma and ssb to version master-2011-12-16 from wireless-testing 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29574 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-12-19 23:33:03 +00:00

2630 lines
74 KiB
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--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -13,6 +13,11 @@ config BCMA
Bus driver for Broadcom specific Advanced Microcontroller Bus
Architecture.
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config BCMA_BLOCKIO
+ bool
+ depends on BCMA
+
config BCMA_HOST_PCI_POSSIBLE
bool
depends on BCMA && PCI = y
@@ -22,6 +27,25 @@ config BCMA_HOST_PCI
bool "Support for BCMA on PCI-host bus"
depends on BCMA_HOST_PCI_POSSIBLE
+config BCMA_DRIVER_PCI_HOSTMODE
+ bool "Driver for PCI core working in hostmode"
+ depends on BCMA && MIPS
+ 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
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,7 +1,10 @@
-bcma-y += main.o scan.o core.o
+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
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -13,11 +13,33 @@
struct bcma_bus;
/* main.c */
-extern int bcma_bus_register(struct bcma_bus *bus);
-extern void bcma_bus_unregister(struct bcma_bus *bus);
+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);
+#ifdef CONFIG_PM
+int bcma_bus_resume(struct bcma_bus *bus);
+#endif
/* 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 */
@@ -25,4 +47,8 @@ extern int __init bcma_host_pci_init(voi
extern void __exit bcma_host_pci_exit(void);
#endif /* CONFIG_BCMA_HOST_PCI */
+#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
+#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+
#endif
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -19,7 +19,7 @@ bool bcma_core_is_enabled(struct bcma_de
}
EXPORT_SYMBOL_GPL(bcma_core_is_enabled);
-static void bcma_core_disable(struct bcma_device *core, u32 flags)
+void bcma_core_disable(struct bcma_device *core, u32 flags)
{
if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
return;
@@ -31,6 +31,7 @@ static void bcma_core_disable(struct bcm
bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
udelay(1);
}
+EXPORT_SYMBOL_GPL(bcma_core_disable);
int bcma_core_enable(struct bcma_device *core, u32 flags)
{
@@ -49,3 +50,77 @@ int bcma_core_enable(struct bcma_device
return 0;
}
EXPORT_SYMBOL_GPL(bcma_core_enable);
+
+void bcma_core_set_clockmode(struct bcma_device *core,
+ enum bcma_clkmode clkmode)
+{
+ u16 i;
+
+ WARN_ON(core->id.id != BCMA_CORE_CHIPCOMMON &&
+ core->id.id != BCMA_CORE_PCIE &&
+ core->id.id != BCMA_CORE_80211);
+
+ switch (clkmode) {
+ case BCMA_CLKMODE_FAST:
+ bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
+ udelay(64);
+ for (i = 0; i < 1500; i++) {
+ if (bcma_read32(core, BCMA_CLKCTLST) &
+ BCMA_CLKCTLST_HAVEHT) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ pr_err("HT force timeout\n");
+ break;
+ case BCMA_CLKMODE_DYNAMIC:
+ pr_warn("Dynamic clockmode not supported yet!\n");
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_set_clockmode);
+
+void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on)
+{
+ u16 i;
+
+ WARN_ON(req & ~BCMA_CLKCTLST_EXTRESREQ);
+ WARN_ON(status & ~BCMA_CLKCTLST_EXTRESST);
+
+ if (on) {
+ bcma_set32(core, BCMA_CLKCTLST, req);
+ for (i = 0; i < 10000; i++) {
+ if ((bcma_read32(core, BCMA_CLKCTLST) & status) ==
+ status) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ pr_err("PLL enable timeout\n");
+ } else {
+ pr_warn("Disabling PLL not supported yet!\n");
+ }
+}
+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;
+ else
+ return BCMA_DMA_TRANSLATION_DMA32_CMT;
+ default:
+ pr_err("DMA translation unknown for host %d\n",
+ core->bus->hosttype);
+ }
+ return BCMA_DMA_TRANSLATION_NONE;
+}
+EXPORT_SYMBOL(bcma_core_dma_translation);
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -3,7 +3,7 @@
* ChipCommon core driver
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -23,6 +23,12 @@ static inline u32 bcma_cc_write32_masked
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);
@@ -38,6 +44,19 @@ void bcma_core_chipcommon_init(struct bc
bcma_pmu_init(cc);
if (cc->capabilities & BCMA_CC_CAP_PCTL)
pr_err("Power control not implemented!\n");
+
+ if (cc->core->id.rev >= 16) {
+ if (cc->core->bus->sprom.leddc_on_time &&
+ cc->core->bus->sprom.leddc_off_time) {
+ leddc_on = cc->core->bus->sprom.leddc_on_time;
+ leddc_off = cc->core->bus->sprom.leddc_off_time;
+ }
+ bcma_cc_write32(cc, BCMA_CC_GPIOTIMER,
+ ((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 */
@@ -87,3 +106,51 @@ u32 bcma_chipco_gpio_polarity(struct bcm
{
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 */
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -2,7 +2,7 @@
* Broadcom specific AMBA
* ChipCommon Power Management Unit driver
*
- * Copyright 2009, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2009, Michael Buesch <m@bues.ch>
* Copyright 2007, Broadcom Corporation
*
* Licensed under the GNU/GPL. See COPYING for details.
@@ -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)
{
@@ -53,6 +80,7 @@ static void bcma_pmu_resources_init(stru
max_msk = 0xFFFF;
break;
case 43224:
+ case 43225:
break;
default:
pr_err("PMU resource config unknown for device 0x%04X\n",
@@ -74,6 +102,7 @@ void bcma_pmu_swreg_init(struct bcma_drv
case 0x4313:
case 0x4331:
case 43224:
+ case 43225:
break;
default:
pr_err("PMU switch/regulators init unknown for device "
@@ -81,6 +110,24 @@ void bcma_pmu_swreg_init(struct bcma_drv
}
}
+/* 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;
@@ -90,17 +137,19 @@ void bcma_pmu_workarounds(struct bcma_dr
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) {
pr_err("Workarounds for 43224 rev 0 not fully "
"implemented\n");
- bcma_chipco_chipctl_maskset(cc, 0, ~0, 0xF0);
+ bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x00F000F0);
} else {
bcma_chipco_chipctl_maskset(cc, 0, ~0, 0xF0);
}
break;
+ case 43225:
+ break;
default:
pr_err("Workarounds unknown for device 0x%04X\n",
bus->chipinfo.id);
@@ -132,3 +181,129 @@ void bcma_pmu_init(struct bcma_drv_cc *c
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);
+}
--- /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;
+}
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -3,7 +3,7 @@
* PCI Core
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -157,7 +157,81 @@ static void bcma_pcicore_serdes_workarou
* Init.
**************************************************/
-void bcma_core_pci_init(struct bcma_drv_pci *pc)
+static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
{
bcma_pcicore_serdes_workaround(pc);
}
+
+static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ u16 chipid_top;
+
+ chipid_top = (bus->chipinfo.id & 0xFF00);
+ if (chipid_top != 0x4700 &&
+ chipid_top != 0x5300)
+ return false;
+
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ if (bus->sprom.boardflags_lo & SSB_BFL_NOPCI)
+ return false;
+#endif /* CONFIG_SSB_DRIVER_PCICORE */
+
+#if 0
+ /* TODO: on BCMA we use address from EROM instead of magic formula */
+ u32 tmp;
+ return !mips_busprobe32(tmp, (bus->mmio +
+ (pc->core->core_index * BCMA_CORE_SIZE)));
+#endif
+
+ return true;
+}
+
+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);
+#else
+ pr_err("Driver compiled without support for hostmode PCI\n");
+#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+ } 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,
+ bool enable)
+{
+ struct pci_dev *pdev = pc->core->bus->host_pci;
+ u32 coremask, tmp;
+ 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)
+ goto out;
+
+ coremask = BIT(core->core_index) << 8;
+ if (enable)
+ tmp |= coremask;
+ else
+ tmp &= ~coremask;
+
+ err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+
+out:
+ return err;
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
--- /dev/null
+++ b/drivers/bcma/driver_pci_host.c
@@ -0,0 +1,14 @@
+/*
+ * Broadcom specific AMBA
+ * PCI Core in hostmode
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcma/bcma.h>
+
+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
+{
+ pr_err("No support for PCI core in hostmode yet\n");
+}
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -9,6 +9,7 @@
#include <linux/slab.h>
#include <linux/bcma/bcma.h>
#include <linux/pci.h>
+#include <linux/module.h>
static void bcma_host_pci_switch_core(struct bcma_device *core)
{
@@ -20,50 +21,108 @@ static void bcma_host_pci_switch_core(st
pr_debug("Switched to core: 0x%X\n", core->id.id);
}
-static u8 bcma_host_pci_read8(struct bcma_device *core, u16 offset)
-{
+/* Provides access to the requested core. Returns base offset that has to be
+ * used. It makes use of fixed windows when possible. */
+static u16 bcma_host_pci_provide_access_to_core(struct bcma_device *core)
+{
+ switch (core->id.id) {
+ case BCMA_CORE_CHIPCOMMON:
+ return 3 * BCMA_CORE_SIZE;
+ case BCMA_CORE_PCIE:
+ return 2 * BCMA_CORE_SIZE;
+ }
+
if (core->bus->mapped_core != core)
bcma_host_pci_switch_core(core);
+ return 0;
+}
+
+static u8 bcma_host_pci_read8(struct bcma_device *core, u16 offset)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
return ioread8(core->bus->mmio + offset);
}
static u16 bcma_host_pci_read16(struct bcma_device *core, u16 offset)
{
- if (core->bus->mapped_core != core)
- bcma_host_pci_switch_core(core);
+ offset += bcma_host_pci_provide_access_to_core(core);
return ioread16(core->bus->mmio + offset);
}
static u32 bcma_host_pci_read32(struct bcma_device *core, u16 offset)
{
- if (core->bus->mapped_core != core)
- bcma_host_pci_switch_core(core);
+ offset += bcma_host_pci_provide_access_to_core(core);
return ioread32(core->bus->mmio + offset);
}
static void bcma_host_pci_write8(struct bcma_device *core, u16 offset,
u8 value)
{
- if (core->bus->mapped_core != core)
- bcma_host_pci_switch_core(core);
+ offset += bcma_host_pci_provide_access_to_core(core);
iowrite8(value, core->bus->mmio + offset);
}
static void bcma_host_pci_write16(struct bcma_device *core, u16 offset,
u16 value)
{
- if (core->bus->mapped_core != core)
- bcma_host_pci_switch_core(core);
+ offset += bcma_host_pci_provide_access_to_core(core);
iowrite16(value, core->bus->mmio + offset);
}
static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
u32 value)
{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ iowrite32(value, core->bus->mmio + offset);
+}
+
+#ifdef CONFIG_BCMA_BLOCKIO
+void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
if (core->bus->mapped_core != core)
bcma_host_pci_switch_core(core);
- iowrite32(value, core->bus->mmio + offset);
+ switch (reg_width) {
+ case sizeof(u8):
+ ioread8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ ioread16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ ioread32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+
+void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ switch (reg_width) {
+ case sizeof(u8):
+ iowrite8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ iowrite16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ iowrite32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
}
+#endif
static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
{
@@ -87,6 +146,10 @@ const struct bcma_host_ops bcma_host_pci
.write8 = bcma_host_pci_write8,
.write16 = bcma_host_pci_write16,
.write32 = bcma_host_pci_write32,
+#ifdef CONFIG_BCMA_BLOCKIO
+ .block_read = bcma_host_pci_block_read,
+ .block_write = bcma_host_pci_block_write,
+#endif
.aread32 = bcma_host_pci_aread32,
.awrite32 = bcma_host_pci_awrite32,
};
@@ -171,10 +234,46 @@ static void bcma_host_pci_remove(struct
pci_set_drvdata(dev, NULL);
}
+#ifdef CONFIG_PM
+static int bcma_host_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+ /* Host specific */
+ pci_save_state(dev);
+ pci_disable_device(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
+
+ return 0;
+}
+
+static int bcma_host_pci_resume(struct pci_dev *dev)
+{
+ struct bcma_bus *bus = pci_get_drvdata(dev);
+ int err;
+
+ /* Host specific */
+ pci_set_power_state(dev, 0);
+ err = pci_enable_device(dev);
+ if (err)
+ return err;
+ pci_restore_state(dev);
+
+ /* Bus specific */
+ err = bcma_bus_resume(bus);
+ if (err)
+ return err;
+
+ return 0;
+}
+#else /* CONFIG_PM */
+# define bcma_host_pci_suspend NULL
+# define bcma_host_pci_resume NULL
+#endif /* CONFIG_PM */
+
static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ 0, },
};
@@ -185,6 +284,8 @@ static struct pci_driver bcma_pci_bridge
.id_table = bcma_pci_bridge_tbl,
.probe = bcma_host_pci_probe,
.remove = bcma_host_pci_remove,
+ .suspend = bcma_host_pci_suspend,
+ .resume = bcma_host_pci_resume,
};
int __init bcma_host_pci_init(void)
--- /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;
+}
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -6,7 +6,9 @@
*/
#include "bcma_private.h"
+#include <linux/module.h>
#include <linux/bcma/bcma.h>
+#include <linux/slab.h>
MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
MODULE_LICENSE("GPL");
@@ -14,6 +16,7 @@ MODULE_LICENSE("GPL");
static int bcma_bus_match(struct device *dev, struct device_driver *drv);
static int bcma_device_probe(struct device *dev);
static int bcma_device_remove(struct device *dev);
+static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);
static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -48,6 +51,7 @@ static struct bus_type bcma_bus_type = {
.match = bcma_bus_match,
.probe = bcma_device_probe,
.remove = bcma_device_remove,
+ .uevent = bcma_device_uevent,
.dev_attrs = bcma_device_attrs,
};
@@ -65,6 +69,10 @@ static struct bcma_device *bcma_find_cor
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);
}
@@ -79,6 +87,7 @@ static int bcma_register_cores(struct bc
case BCMA_CORE_CHIPCOMMON:
case BCMA_CORE_PCI:
case BCMA_CORE_PCIE:
+ case BCMA_CORE_MIPS_74K:
continue;
}
@@ -89,8 +98,13 @@ static int bcma_register_cores(struct bc
switch (bus->hosttype) {
case BCMA_HOSTTYPE_PCI:
core->dev.parent = &bus->host_pci->dev;
+ core->dma_dev = &bus->host_pci->dev;
+ core->irq = bus->host_pci->irq;
+ break;
+ case BCMA_HOSTTYPE_SOC:
+ core->dev.dma_mask = &core->dev.coherent_dma_mask;
+ core->dma_dev = &core->dev;
break;
- case BCMA_HOSTTYPE_NONE:
case BCMA_HOSTTYPE_SDIO:
break;
}
@@ -137,6 +151,13 @@ int bcma_bus_register(struct bcma_bus *b
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) {
@@ -144,6 +165,15 @@ int bcma_bus_register(struct bcma_bus *b
bcma_core_pci_init(&bus->drv_pci);
}
+ /* Try to get SPROM */
+ err = bcma_sprom_get(bus);
+ if (err == -ENOENT) {
+ pr_err("No SPROM available\n");
+ } else if (err) {
+ pr_err("Failed to get SPROM: %d\n", err);
+ return -ENOENT;
+ }
+
/* Register found cores */
bcma_register_cores(bus);
@@ -151,13 +181,80 @@ int bcma_bus_register(struct bcma_bus *b
return 0;
}
-EXPORT_SYMBOL_GPL(bcma_bus_register);
void bcma_bus_unregister(struct bcma_bus *bus)
{
bcma_unregister_cores(bus);
}
-EXPORT_SYMBOL_GPL(bcma_bus_unregister);
+
+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;
+}
+
+#ifdef CONFIG_PM
+int bcma_bus_resume(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ /* Init CC core */
+ core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON);
+ if (core) {
+ bus->drv_cc.setup_done = false;
+ bcma_core_chipcommon_init(&bus->drv_cc);
+ }
+
+ return 0;
+}
+#endif
int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
{
@@ -217,6 +314,16 @@ static int bcma_device_remove(struct dev
return 0;
}
+static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+
+ return add_uevent_var(env,
+ "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
+ core->id.manuf, core->id.id,
+ core->id.rev, core->id.class);
+}
+
static int __init bcma_modinit(void)
{
int err;
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -200,18 +200,162 @@ static s32 bcma_erom_get_addr_desc(struc
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;
}
--- /dev/null
+++ b/drivers/bcma/sprom.c
@@ -0,0 +1,247 @@
+/*
+ * Broadcom specific AMBA
+ * SPROM reading
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_regs.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+
+#define SPOFF(offset) ((offset) / sizeof(u16))
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
+{
+ int i;
+ for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
+ sprom[i] = bcma_read16(bus->drv_cc.core,
+ offset + (i * 2));
+}
+
+/**************************************************
+ * Validation.
+ **************************************************/
+
+static inline u8 bcma_crc8(u8 crc, u8 data)
+{
+ /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */
+ static const u8 t[] = {
+ 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
+ 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
+ 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
+ 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
+ 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
+ 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
+ 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
+ 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
+ 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
+ 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
+ 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
+ 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
+ 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
+ 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
+ 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
+ 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
+ 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
+ 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
+ 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
+ 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
+ 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
+ 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
+ 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
+ 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
+ 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
+ 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
+ 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
+ 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
+ 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
+ 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
+ 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
+ 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
+ };
+ return t[crc ^ data];
+}
+
+static u8 bcma_sprom_crc(const u16 *sprom)
+{
+ int word;
+ u8 crc = 0xFF;
+
+ for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) {
+ crc = bcma_crc8(crc, sprom[word] & 0x00FF);
+ crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
+ }
+ crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF);
+ crc ^= 0xFF;
+
+ return crc;
+}
+
+static int bcma_sprom_check_crc(const u16 *sprom)
+{
+ u8 crc;
+ u8 expected_crc;
+ u16 tmp;
+
+ crc = bcma_sprom_crc(sprom);
+ tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC;
+ expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
+ if (crc != expected_crc)
+ return -EPROTO;
+
+ return 0;
+}
+
+static int bcma_sprom_valid(const u16 *sprom)
+{
+ u16 revision;
+ int err;
+
+ err = bcma_sprom_check_crc(sprom);
+ if (err)
+ return err;
+
+ revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
+ if (revision != 8 && revision != 9) {
+ pr_err("Unsupported SPROM revision: %d\n", revision);
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+/**************************************************
+ * SPROM extraction.
+ **************************************************/
+
+static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
+{
+ u16 v;
+ int i;
+
+ bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
+ SSB_SPROM_REVISION_REV;
+
+ for (i = 0; i < 3; i++) {
+ 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.txpid2g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
+ SSB_SPROM4_TXPID2G0) >> SSB_SPROM4_TXPID2G0_SHIFT;
+ bus->sprom.txpid2g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID2G01)] &
+ SSB_SPROM4_TXPID2G1) >> SSB_SPROM4_TXPID2G1_SHIFT;
+ bus->sprom.txpid2g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
+ SSB_SPROM4_TXPID2G2) >> SSB_SPROM4_TXPID2G2_SHIFT;
+ bus->sprom.txpid2g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID2G23)] &
+ SSB_SPROM4_TXPID2G3) >> SSB_SPROM4_TXPID2G3_SHIFT;
+
+ bus->sprom.txpid5gl[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
+ SSB_SPROM4_TXPID5GL0) >> SSB_SPROM4_TXPID5GL0_SHIFT;
+ bus->sprom.txpid5gl[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL01)] &
+ SSB_SPROM4_TXPID5GL1) >> SSB_SPROM4_TXPID5GL1_SHIFT;
+ bus->sprom.txpid5gl[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
+ SSB_SPROM4_TXPID5GL2) >> SSB_SPROM4_TXPID5GL2_SHIFT;
+ bus->sprom.txpid5gl[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GL23)] &
+ SSB_SPROM4_TXPID5GL3) >> SSB_SPROM4_TXPID5GL3_SHIFT;
+
+ bus->sprom.txpid5g[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
+ SSB_SPROM4_TXPID5G0) >> SSB_SPROM4_TXPID5G0_SHIFT;
+ bus->sprom.txpid5g[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5G01)] &
+ SSB_SPROM4_TXPID5G1) >> SSB_SPROM4_TXPID5G1_SHIFT;
+ bus->sprom.txpid5g[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
+ SSB_SPROM4_TXPID5G2) >> SSB_SPROM4_TXPID5G2_SHIFT;
+ bus->sprom.txpid5g[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5G23)] &
+ SSB_SPROM4_TXPID5G3) >> SSB_SPROM4_TXPID5G3_SHIFT;
+
+ bus->sprom.txpid5gh[0] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
+ SSB_SPROM4_TXPID5GH0) >> SSB_SPROM4_TXPID5GH0_SHIFT;
+ bus->sprom.txpid5gh[1] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH01)] &
+ SSB_SPROM4_TXPID5GH1) >> SSB_SPROM4_TXPID5GH1_SHIFT;
+ bus->sprom.txpid5gh[2] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
+ SSB_SPROM4_TXPID5GH2) >> SSB_SPROM4_TXPID5GH2_SHIFT;
+ bus->sprom.txpid5gh[3] = (sprom[SPOFF(SSB_SPROM4_TXPID5GH23)] &
+ SSB_SPROM4_TXPID5GH3) >> SSB_SPROM4_TXPID5GH3_SHIFT;
+
+ 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)];
+
+ bus->sprom.fem.ghz2.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
+ SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
+ bus->sprom.fem.ghz2.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
+ SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
+ bus->sprom.fem.ghz2.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
+ SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
+ bus->sprom.fem.ghz2.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
+ SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
+ bus->sprom.fem.ghz2.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM2G)] &
+ SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
+
+ bus->sprom.fem.ghz5.tssipos = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
+ SSB_SROM8_FEM_TSSIPOS) >> SSB_SROM8_FEM_TSSIPOS_SHIFT;
+ bus->sprom.fem.ghz5.extpa_gain = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
+ SSB_SROM8_FEM_EXTPA_GAIN) >> SSB_SROM8_FEM_EXTPA_GAIN_SHIFT;
+ bus->sprom.fem.ghz5.pdet_range = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
+ SSB_SROM8_FEM_PDET_RANGE) >> SSB_SROM8_FEM_PDET_RANGE_SHIFT;
+ bus->sprom.fem.ghz5.tr_iso = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
+ SSB_SROM8_FEM_TR_ISO) >> SSB_SROM8_FEM_TR_ISO_SHIFT;
+ bus->sprom.fem.ghz5.antswlut = (sprom[SPOFF(SSB_SPROM8_FEM5G)] &
+ SSB_SROM8_FEM_ANTSWLUT) >> SSB_SROM8_FEM_ANTSWLUT_SHIFT;
+}
+
+int bcma_sprom_get(struct bcma_bus *bus)
+{
+ u16 offset;
+ u16 *sprom;
+ int err = 0;
+
+ if (!bus->drv_cc.core)
+ return -EOPNOTSUPP;
+
+ if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
+ return -ENOENT;
+
+ sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+ GFP_KERNEL);
+ 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 */
+ offset = (bus->chipinfo.id == 0x4331) ? BCMA_CC_SPROM :
+ 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;
+
+ bcma_sprom_extract_r8(bus, sprom);
+
+out:
+ kfree(sprom);
+ return err;
+}
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -6,6 +6,8 @@
#include <linux/bcma/bcma_driver_chipcommon.h>
#include <linux/bcma/bcma_driver_pci.h>
+#include <linux/bcma/bcma_driver_mips.h>
+#include <linux/ssb/ssb.h> /* SPROM sharing */
#include "bcma_regs.h"
@@ -13,9 +15,9 @@ struct bcma_device;
struct bcma_bus;
enum bcma_hosttype {
- BCMA_HOSTTYPE_NONE,
BCMA_HOSTTYPE_PCI,
BCMA_HOSTTYPE_SDIO,
+ BCMA_HOSTTYPE_SOC,
};
struct bcma_chipinfo {
@@ -24,6 +26,11 @@ struct bcma_chipinfo {
u8 pkg;
};
+enum bcma_clkmode {
+ BCMA_CLKMODE_FAST,
+ BCMA_CLKMODE_DYNAMIC,
+};
+
struct bcma_host_ops {
u8 (*read8)(struct bcma_device *core, u16 offset);
u16 (*read16)(struct bcma_device *core, u16 offset);
@@ -31,6 +38,12 @@ struct bcma_host_ops {
void (*write8)(struct bcma_device *core, u16 offset, u8 value);
void (*write16)(struct bcma_device *core, u16 offset, u16 value);
void (*write32)(struct bcma_device *core, u16 offset, u32 value);
+#ifdef CONFIG_BCMA_BLOCKIO
+ void (*block_read)(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width);
+ void (*block_write)(struct bcma_device *core, const void *buffer,
+ size_t count, u16 offset, u8 reg_width);
+#endif
/* Agent ops */
u32 (*aread32)(struct bcma_device *core, u16 offset);
void (*awrite32)(struct bcma_device *core, u16 offset, u32 value);
@@ -117,6 +130,9 @@ struct bcma_device {
struct bcma_device_id id;
struct device dev;
+ struct device *dma_dev;
+
+ unsigned int irq;
bool dev_registered;
u8 core_index;
@@ -124,6 +140,9 @@ struct bcma_device {
u32 addr;
u32 wrap;
+ void __iomem *io_addr;
+ void __iomem *io_wrap;
+
void *drvdata;
struct list_head list;
};
@@ -151,10 +170,9 @@ struct bcma_driver {
};
extern
int __bcma_driver_register(struct bcma_driver *drv, struct module *owner);
-static inline int bcma_driver_register(struct bcma_driver *drv)
-{
- return __bcma_driver_register(drv, THIS_MODULE);
-}
+#define bcma_driver_register(drv) \
+ __bcma_driver_register(drv, THIS_MODULE)
+
extern void bcma_driver_unregister(struct bcma_driver *drv);
struct bcma_bus {
@@ -176,49 +194,105 @@ struct bcma_bus {
struct bcma_device *mapped_core;
struct list_head cores;
u8 nr_cores;
+ u8 init_done:1;
struct bcma_drv_cc drv_cc;
struct bcma_drv_pci drv_pci;
+ struct bcma_drv_mips drv_mips;
+
+ /* We decided to share SPROM struct with SSB as long as we do not need
+ * any hacks for BCMA. This simplifies drivers code. */
+ struct ssb_sprom sprom;
};
-extern inline u32 bcma_read8(struct bcma_device *core, u16 offset)
+static inline u32 bcma_read8(struct bcma_device *core, u16 offset)
{
return core->bus->ops->read8(core, offset);
}
-extern inline u32 bcma_read16(struct bcma_device *core, u16 offset)
+static inline u32 bcma_read16(struct bcma_device *core, u16 offset)
{
return core->bus->ops->read16(core, offset);
}
-extern inline u32 bcma_read32(struct bcma_device *core, u16 offset)
+static inline u32 bcma_read32(struct bcma_device *core, u16 offset)
{
return core->bus->ops->read32(core, offset);
}
-extern inline
+static inline
void bcma_write8(struct bcma_device *core, u16 offset, u32 value)
{
core->bus->ops->write8(core, offset, value);
}
-extern inline
+static inline
void bcma_write16(struct bcma_device *core, u16 offset, u32 value)
{
core->bus->ops->write16(core, offset, value);
}
-extern inline
+static inline
void bcma_write32(struct bcma_device *core, u16 offset, u32 value)
{
core->bus->ops->write32(core, offset, value);
}
-extern inline u32 bcma_aread32(struct bcma_device *core, u16 offset)
+#ifdef CONFIG_BCMA_BLOCKIO
+static inline void bcma_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ core->bus->ops->block_read(core, buffer, count, offset, reg_width);
+}
+static inline void bcma_block_write(struct bcma_device *core,
+ const void *buffer, size_t count,
+ u16 offset, u8 reg_width)
+{
+ core->bus->ops->block_write(core, buffer, count, offset, reg_width);
+}
+#endif
+static inline u32 bcma_aread32(struct bcma_device *core, u16 offset)
{
return core->bus->ops->aread32(core, offset);
}
-extern inline
+static inline
void bcma_awrite32(struct bcma_device *core, u16 offset, u32 value)
{
core->bus->ops->awrite32(core, offset, value);
}
+static inline void bcma_mask32(struct bcma_device *cc, u16 offset, u32 mask)
+{
+ bcma_write32(cc, offset, bcma_read32(cc, offset) & mask);
+}
+static inline void bcma_set32(struct bcma_device *cc, u16 offset, u32 set)
+{
+ bcma_write32(cc, offset, bcma_read32(cc, offset) | set);
+}
+static inline void bcma_maskset32(struct bcma_device *cc,
+ u16 offset, u32 mask, u32 set)
+{
+ bcma_write32(cc, offset, (bcma_read32(cc, offset) & mask) | set);
+}
+static inline void bcma_mask16(struct bcma_device *cc, u16 offset, u16 mask)
+{
+ bcma_write16(cc, offset, bcma_read16(cc, offset) & mask);
+}
+static inline void bcma_set16(struct bcma_device *cc, u16 offset, u16 set)
+{
+ bcma_write16(cc, offset, bcma_read16(cc, offset) | set);
+}
+static inline void bcma_maskset16(struct bcma_device *cc,
+ u16 offset, u16 mask, u16 set)
+{
+ bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set);
+}
+
extern bool bcma_core_is_enabled(struct bcma_device *core);
+extern void bcma_core_disable(struct bcma_device *core, u32 flags);
extern int bcma_core_enable(struct bcma_device *core, u32 flags);
+extern void bcma_core_set_clockmode(struct bcma_device *core,
+ enum bcma_clkmode clkmode);
+extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status,
+ bool on);
+#define BCMA_DMA_TRANSLATION_MASK 0xC0000000
+#define BCMA_DMA_TRANSLATION_NONE 0x00000000
+#define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */
+#define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */
+extern u32 bcma_core_dma_translation(struct bcma_device *core);
#endif /* LINUX_BCMA_H_ */
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -24,6 +24,7 @@
#define BCMA_CC_FLASHT_NONE 0x00000000 /* No flash */
#define BCMA_CC_FLASHT_STSER 0x00000100 /* ST serial flash */
#define BCMA_CC_FLASHT_ATSER 0x00000200 /* Atmel serial flash */
+#define BCMA_CC_FLASHT_NFLASH 0x00000200
#define BCMA_CC_FLASHT_PARA 0x00000700 /* Parallel flash */
#define BCMA_CC_CAP_PLLT 0x00038000 /* PLL Type */
#define BCMA_PLLTYPE_NONE 0x00000000
@@ -178,16 +179,9 @@
#define BCMA_CC_PROG_CFG 0x0120
#define BCMA_CC_PROG_WAITCNT 0x0124
#define BCMA_CC_FLASH_CFG 0x0128
+#define BCMA_CC_FLASH_CFG_DS 0x0010 /* Data size, 0=8bit, 1=16bit */
#define BCMA_CC_FLASH_WAITCNT 0x012C
-#define BCMA_CC_CLKCTLST 0x01E0 /* Clock control and status (rev >= 20) */
-#define BCMA_CC_CLKCTLST_FORCEALP 0x00000001 /* Force ALP request */
-#define BCMA_CC_CLKCTLST_FORCEHT 0x00000002 /* Force HT request */
-#define BCMA_CC_CLKCTLST_FORCEILP 0x00000004 /* Force ILP request */
-#define BCMA_CC_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
-#define BCMA_CC_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
-#define BCMA_CC_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
-#define BCMA_CC_CLKCTLST_HAVEHT 0x00010000 /* HT available */
-#define BCMA_CC_CLKCTLST_HAVEALP 0x00020000 /* APL available */
+/* 0x1E0 is defined as shared BCMA_CLKCTLST */
#define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
#define BCMA_CC_UART0_DATA 0x0300
#define BCMA_CC_UART0_IMR 0x0304
@@ -209,6 +203,7 @@
#define BCMA_CC_PMU_CTL 0x0600 /* PMU control */
#define BCMA_CC_PMU_CTL_ILP_DIV 0xFFFF0000 /* ILP div mask */
#define BCMA_CC_PMU_CTL_ILP_DIV_SHIFT 16
+#define BCMA_CC_PMU_CTL_PLL_UPD 0x00000400
#define BCMA_CC_PMU_CTL_NOILPONW 0x00000200 /* No ILP on wait */
#define BCMA_CC_PMU_CTL_HTREQEN 0x00000100 /* HT req enable */
#define BCMA_CC_PMU_CTL_ALPREQEN 0x00000080 /* ALP req enable */
@@ -244,6 +239,66 @@
#define BCMA_CC_REGCTL_DATA 0x065C
#define BCMA_CC_PLLCTL_ADDR 0x0660
#define BCMA_CC_PLLCTL_DATA 0x0664
+#define BCMA_CC_SPROM 0x0800 /* SPROM beginning */
+#define BCMA_CC_SPROM_PCIE6 0x0830 /* SPROM beginning on PCIe rev >= 6 */
+
+/* Divider allocation in 4716/47162/5356 */
+#define BCMA_CC_PMU5_MAINPLL_CPU 1
+#define BCMA_CC_PMU5_MAINPLL_MEM 2
+#define BCMA_CC_PMU5_MAINPLL_SSB 3
+
+/* PLL usage in 4716/47162 */
+#define BCMA_CC_PMU4716_MAINPLL_PLL0 12
+
+/* PLL usage in 5356/5357 */
+#define BCMA_CC_PMU5356_MAINPLL_PLL0 0
+#define BCMA_CC_PMU5357_MAINPLL_PLL0 0
+
+/* 4706 PMU */
+#define BCMA_CC_PMU4706_MAINPLL_PLL0 0
+
+/* ALP clock on pre-PMU chips */
+#define BCMA_CC_PMU_ALP_CLOCK 20000000
+/* HT clock for systems with PMU-enabled chipcommon */
+#define BCMA_CC_PMU_HT_CLOCK 80000000
+
+/* PMU rev 5 (& 6) */
+#define BCMA_CC_PPL_P1P2_OFF 0
+#define BCMA_CC_PPL_P1_MASK 0x0f000000
+#define BCMA_CC_PPL_P1_SHIFT 24
+#define BCMA_CC_PPL_P2_MASK 0x00f00000
+#define BCMA_CC_PPL_P2_SHIFT 20
+#define BCMA_CC_PPL_M14_OFF 1
+#define BCMA_CC_PPL_MDIV_MASK 0x000000ff
+#define BCMA_CC_PPL_MDIV_WIDTH 8
+#define BCMA_CC_PPL_NM5_OFF 2
+#define BCMA_CC_PPL_NDIV_MASK 0xfff00000
+#define BCMA_CC_PPL_NDIV_SHIFT 20
+#define BCMA_CC_PPL_FMAB_OFF 3
+#define BCMA_CC_PPL_MRAT_MASK 0xf0000000
+#define BCMA_CC_PPL_MRAT_SHIFT 28
+#define BCMA_CC_PPL_ABRAT_MASK 0x08000000
+#define BCMA_CC_PPL_ABRAT_SHIFT 27
+#define BCMA_CC_PPL_FDIV_MASK 0x07ffffff
+#define BCMA_CC_PPL_PLLCTL_OFF 4
+#define BCMA_CC_PPL_PCHI_OFF 5
+#define BCMA_CC_PPL_PCHI_MASK 0x0000003f
+
+/* BCM4331 ChipControl numbers. */
+#define BCMA_CHIPCTL_4331_BT_COEXIST BIT(0) /* 0 disable */
+#define BCMA_CHIPCTL_4331_SECI BIT(1) /* 0 SECI is disabled (JATG functional) */
+#define BCMA_CHIPCTL_4331_EXT_LNA BIT(2) /* 0 disable */
+#define BCMA_CHIPCTL_4331_SPROM_GPIO13_15 BIT(3) /* sprom/gpio13-15 mux */
+#define BCMA_CHIPCTL_4331_EXTPA_EN BIT(4) /* 0 ext pa disable, 1 ext pa enabled */
+#define BCMA_CHIPCTL_4331_GPIOCLK_ON_SPROMCS BIT(5) /* set drive out GPIO_CLK on sprom_cs pin */
+#define BCMA_CHIPCTL_4331_PCIE_MDIO_ON_SPROMCS BIT(6) /* use sprom_cs pin as PCIE mdio interface */
+#define BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5 BIT(7) /* aband extpa will be at gpio2/5 and sprom_dout */
+#define BCMA_CHIPCTL_4331_OVR_PIPEAUXCLKEN BIT(8) /* override core control on pipe_AuxClkEnable */
+#define BCMA_CHIPCTL_4331_OVR_PIPEAUXPWRDOWN BIT(9) /* override core control on pipe_AuxPowerDown */
+#define BCMA_CHIPCTL_4331_PCIE_AUXCLKEN BIT(10) /* pcie_auxclkenable */
+#define BCMA_CHIPCTL_4331_PCIE_PIPE_PLLDOWN BIT(11) /* pcie_pipe_pllpowerdown */
+#define BCMA_CHIPCTL_4331_BT_SHD0_ON_GPIO4 BIT(16) /* enable bt_shd0 at gpio4 */
+#define BCMA_CHIPCTL_4331_BT_SHD1_ON_GPIO5 BIT(17) /* enable bt_shd1 at gpio5 */
/* Data for the PMU, if available.
* Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
@@ -253,14 +308,37 @@ struct bcma_chipcommon_pmu {
u32 crystalfreq; /* The active crystal frequency (in kHz) */
};
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+struct bcma_pflash {
+ u8 buswidth;
+ u32 window;
+ u32 window_size;
+};
+
+struct bcma_serial_port {
+ void *regs;
+ unsigned long clockspeed;
+ unsigned int irq;
+ unsigned int baud_base;
+ unsigned int reg_shift;
+};
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
+
struct bcma_drv_cc {
struct bcma_device *core;
u32 status;
u32 capabilities;
u32 capabilities_ext;
+ u8 setup_done:1;
/* Fast Powerup Delay constant */
u16 fast_pwrup_delay;
struct bcma_chipcommon_pmu pmu;
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+ struct bcma_pflash pflash;
+
+ int nr_serial_ports;
+ struct bcma_serial_port serial_ports[4];
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
};
/* Register access */
@@ -281,6 +359,8 @@ extern void bcma_core_chipcommon_init(st
extern void bcma_chipco_suspend(struct bcma_drv_cc *cc);
extern void bcma_chipco_resume(struct bcma_drv_cc *cc);
+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
+
extern void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc,
u32 ticks);
@@ -299,4 +379,13 @@ u32 bcma_chipco_gpio_polarity(struct bcm
/* PMU support */
extern void bcma_pmu_init(struct bcma_drv_cc *cc);
+extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset,
+ u32 value);
+extern void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset,
+ u32 mask, u32 set);
+extern void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
+ u32 offset, u32 mask, u32 set);
+extern void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc,
+ u32 offset, u32 mask, u32 set);
+
#endif /* LINUX_BCMA_DRIVER_CC_H_ */
--- /dev/null
+++ b/include/linux/bcma/bcma_driver_mips.h
@@ -0,0 +1,51 @@
+#ifndef LINUX_BCMA_DRIVER_MIPS_H_
+#define LINUX_BCMA_DRIVER_MIPS_H_
+
+#define BCMA_MIPS_IPSFLAG 0x0F08
+/* which sbflags get routed to mips interrupt 1 */
+#define BCMA_MIPS_IPSFLAG_IRQ1 0x0000003F
+#define BCMA_MIPS_IPSFLAG_IRQ1_SHIFT 0
+/* which sbflags get routed to mips interrupt 2 */
+#define BCMA_MIPS_IPSFLAG_IRQ2 0x00003F00
+#define BCMA_MIPS_IPSFLAG_IRQ2_SHIFT 8
+/* which sbflags get routed to mips interrupt 3 */
+#define BCMA_MIPS_IPSFLAG_IRQ3 0x003F0000
+#define BCMA_MIPS_IPSFLAG_IRQ3_SHIFT 16
+/* which sbflags get routed to mips interrupt 4 */
+#define BCMA_MIPS_IPSFLAG_IRQ4 0x3F000000
+#define BCMA_MIPS_IPSFLAG_IRQ4_SHIFT 24
+
+/* MIPS 74K core registers */
+#define BCMA_MIPS_MIPS74K_CORECTL 0x0000
+#define BCMA_MIPS_MIPS74K_EXCEPTBASE 0x0004
+#define BCMA_MIPS_MIPS74K_BIST 0x000C
+#define BCMA_MIPS_MIPS74K_INTMASK_INT0 0x0014
+#define BCMA_MIPS_MIPS74K_INTMASK(int) \
+ ((int) * 4 + BCMA_MIPS_MIPS74K_INTMASK_INT0)
+#define BCMA_MIPS_MIPS74K_NMIMASK 0x002C
+#define BCMA_MIPS_MIPS74K_GPIOSEL 0x0040
+#define BCMA_MIPS_MIPS74K_GPIOOUT 0x0044
+#define BCMA_MIPS_MIPS74K_GPIOEN 0x0048
+#define BCMA_MIPS_MIPS74K_CLKCTLST 0x01E0
+
+#define BCMA_MIPS_OOBSELOUTA30 0x100
+
+struct bcma_device;
+
+struct bcma_drv_mips {
+ struct bcma_device *core;
+ u8 setup_done:1;
+ unsigned int assigned_irqs;
+};
+
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
+#else
+static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
+#endif
+
+extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
+
+extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+
+#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -85,5 +85,7 @@ struct bcma_drv_pci {
#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
+extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
+ struct bcma_device *core, bool enable);
#endif /* LINUX_BCMA_DRIVER_PCI_H_ */
--- a/include/linux/bcma/bcma_regs.h
+++ b/include/linux/bcma/bcma_regs.h
@@ -1,13 +1,38 @@
#ifndef LINUX_BCMA_REGS_H_
#define LINUX_BCMA_REGS_H_
+/* Some single registers are shared between many cores */
+/* BCMA_CLKCTLST: ChipCommon (rev >= 20), PCIe, 80211 */
+#define BCMA_CLKCTLST 0x01E0 /* Clock control and status */
+#define BCMA_CLKCTLST_FORCEALP 0x00000001 /* Force ALP request */
+#define BCMA_CLKCTLST_FORCEHT 0x00000002 /* Force HT request */
+#define BCMA_CLKCTLST_FORCEILP 0x00000004 /* Force ILP request */
+#define BCMA_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
+#define BCMA_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
+#define BCMA_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
+#define BCMA_CLKCTLST_EXTRESREQ 0x00000700 /* Mask of external resource requests */
+#define BCMA_CLKCTLST_HAVEALP 0x00010000 /* ALP available */
+#define BCMA_CLKCTLST_HAVEHT 0x00020000 /* HT available */
+#define BCMA_CLKCTLST_BP_ON_ALP 0x00040000 /* RO: running on ALP clock */
+#define BCMA_CLKCTLST_BP_ON_HT 0x00080000 /* RO: running on HT clock */
+#define BCMA_CLKCTLST_EXTRESST 0x07000000 /* Mask of external resource status */
+/* Is there any BCM4328 on BCMA bus? */
+#define BCMA_CLKCTLST_4328A0_HAVEHT 0x00010000 /* 4328a0 has reversed bits */
+#define BCMA_CLKCTLST_4328A0_HAVEALP 0x00020000 /* 4328a0 has reversed bits */
+
/* Agent registers (common for every core) */
-#define BCMA_IOCTL 0x0408
+#define BCMA_IOCTL 0x0408 /* IO control */
#define BCMA_IOCTL_CLK 0x0001
#define BCMA_IOCTL_FGC 0x0002
#define BCMA_IOCTL_CORE_BITS 0x3FFC
#define BCMA_IOCTL_PME_EN 0x4000
#define BCMA_IOCTL_BIST_EN 0x8000
+#define BCMA_IOST 0x0500 /* IO status */
+#define BCMA_IOST_CORE_BITS 0x0FFF
+#define BCMA_IOST_DMA64 0x1000
+#define BCMA_IOST_GATED_CLK 0x2000
+#define BCMA_IOST_BIST_ERROR 0x4000
+#define BCMA_IOST_BIST_DONE 0x8000
#define BCMA_RESET_CTL 0x0800
#define BCMA_RESET_CTL_RESET 0x0001
--- /dev/null
+++ b/include/linux/bcma/bcma_soc.h
@@ -0,0 +1,16 @@
+#ifndef LINUX_BCMA_SOC_H_
+#define LINUX_BCMA_SOC_H_
+
+#include <linux/bcma/bcma.h>
+
+struct bcma_soc {
+ struct bcma_bus bus;
+ struct bcma_device core_cc;
+ struct bcma_device core_mips;
+};
+
+int __init bcma_host_soc_register(struct bcma_soc *soc);
+
+int bcma_bus_register(struct bcma_bus *bus);
+
+#endif /* LINUX_BCMA_SOC_H_ */
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