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openwrt/target/linux/generic/patches-3.2/025-bcma_backport.patch
Hauke Mehrtens 273797f15a kernel: ssb/bcma: update to version from wireless-testing tag master-2012-05-16-2 
SVN-Revision: 31772
2012-05-17 13:22:38 +00:00

2397 lines
79 KiB
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Raw Blame History

--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -29,7 +29,7 @@ config BCMA_HOST_PCI
config BCMA_DRIVER_PCI_HOSTMODE
bool "Driver for PCI core working in hostmode"
- depends on BCMA && MIPS
+ depends on BCMA && MIPS && BCMA_HOST_PCI
help
PCI core hostmode operation (external PCI bus).
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -13,12 +13,13 @@
struct bcma_bus;
/* main.c */
-int bcma_bus_register(struct bcma_bus *bus);
+int __devinit 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_suspend(struct bcma_bus *bus);
int bcma_bus_resume(struct bcma_bus *bus);
#endif
@@ -47,8 +48,12 @@ extern int __init bcma_host_pci_init(voi
extern void __exit bcma_host_pci_exit(void);
#endif /* CONFIG_BCMA_HOST_PCI */
+/* driver_pci.c */
+u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
+
#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
-void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
+bool __devinit bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc);
+void __devinit 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
@@ -30,6 +30,7 @@ void bcma_core_disable(struct bcma_devic
udelay(10);
bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
+ bcma_aread32(core, BCMA_RESET_CTL);
udelay(1);
}
EXPORT_SYMBOL_GPL(bcma_core_disable);
@@ -77,7 +78,7 @@ void bcma_core_set_clockmode(struct bcma
pr_err("HT force timeout\n");
break;
case BCMA_CLKMODE_DYNAMIC:
- pr_warn("Dynamic clockmode not supported yet!\n");
+ bcma_set32(core, BCMA_CLKCTLST, ~BCMA_CLKCTLST_FORCEHT);
break;
}
}
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -80,6 +80,7 @@ static void bcma_pmu_resources_init(stru
min_msk = 0x200D;
max_msk = 0xFFFF;
break;
+ case 0x4331:
case 43224:
case 43225:
break;
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -2,8 +2,9 @@
* Broadcom specific AMBA
* PCI Core
*
- * Copyright 2005, Broadcom Corporation
+ * Copyright 2005, 2011, Broadcom Corporation
* Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -16,40 +17,39 @@
* R/W ops.
**************************************************/
-static u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address)
+u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address)
{
- pcicore_write32(pc, 0x130, address);
- pcicore_read32(pc, 0x130);
- return pcicore_read32(pc, 0x134);
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR);
+ return pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_DATA);
}
-#if 0
static void bcma_pcie_write(struct bcma_drv_pci *pc, u32 address, u32 data)
{
- pcicore_write32(pc, 0x130, address);
- pcicore_read32(pc, 0x130);
- pcicore_write32(pc, 0x134, data);
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR);
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data);
}
-#endif
static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy)
{
- const u16 mdio_control = 0x128;
- const u16 mdio_data = 0x12C;
u32 v;
int i;
- v = (1 << 30); /* Start of Transaction */
- v |= (1 << 28); /* Write Transaction */
- v |= (1 << 17); /* Turnaround */
- v |= (0x1F << 18);
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_WRITE;
+ v |= (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (BCMA_CORE_PCI_MDIODATA_BLK_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
v |= (phy << 4);
- pcicore_write32(pc, mdio_data, v);
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
udelay(10);
for (i = 0; i < 200; i++) {
- v = pcicore_read32(pc, mdio_control);
- if (v & 0x100 /* Trans complete */)
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
break;
msleep(1);
}
@@ -57,79 +57,84 @@ static void bcma_pcie_mdio_set_phy(struc
static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address)
{
- const u16 mdio_control = 0x128;
- const u16 mdio_data = 0x12C;
int max_retries = 10;
u16 ret = 0;
u32 v;
int i;
- v = 0x80; /* Enable Preamble Sequence */
- v |= 0x2; /* MDIO Clock Divisor */
- pcicore_write32(pc, mdio_control, v);
+ /* enable mdio access to SERDES */
+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN;
+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL;
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v);
if (pc->core->id.rev >= 10) {
max_retries = 200;
bcma_pcie_mdio_set_phy(pc, device);
+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ } else {
+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD);
}
- v = (1 << 30); /* Start of Transaction */
- v |= (1 << 29); /* Read Transaction */
- v |= (1 << 17); /* Turnaround */
- if (pc->core->id.rev < 10)
- v |= (u32)device << 22;
- v |= (u32)address << 18;
- pcicore_write32(pc, mdio_data, v);
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_READ;
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
+
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
/* Wait for the device to complete the transaction */
udelay(10);
for (i = 0; i < max_retries; i++) {
- v = pcicore_read32(pc, mdio_control);
- if (v & 0x100 /* Trans complete */) {
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) {
udelay(10);
- ret = pcicore_read32(pc, mdio_data);
+ ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA);
break;
}
msleep(1);
}
- pcicore_write32(pc, mdio_control, 0);
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
return ret;
}
static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device,
u8 address, u16 data)
{
- const u16 mdio_control = 0x128;
- const u16 mdio_data = 0x12C;
int max_retries = 10;
u32 v;
int i;
- v = 0x80; /* Enable Preamble Sequence */
- v |= 0x2; /* MDIO Clock Divisor */
- pcicore_write32(pc, mdio_control, v);
+ /* enable mdio access to SERDES */
+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN;
+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL;
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v);
if (pc->core->id.rev >= 10) {
max_retries = 200;
bcma_pcie_mdio_set_phy(pc, device);
+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ } else {
+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD);
}
- v = (1 << 30); /* Start of Transaction */
- v |= (1 << 28); /* Write Transaction */
- v |= (1 << 17); /* Turnaround */
- if (pc->core->id.rev < 10)
- v |= (u32)device << 22;
- v |= (u32)address << 18;
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_WRITE;
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
v |= data;
- pcicore_write32(pc, mdio_data, v);
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
/* Wait for the device to complete the transaction */
udelay(10);
for (i = 0; i < max_retries; i++) {
- v = pcicore_read32(pc, mdio_control);
- if (v & 0x100 /* Trans complete */)
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
break;
msleep(1);
}
- pcicore_write32(pc, mdio_control, 0);
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
}
/**************************************************
@@ -138,72 +143,90 @@ static void bcma_pcie_mdio_write(struct
static u8 bcma_pcicore_polarity_workaround(struct bcma_drv_pci *pc)
{
- return (bcma_pcie_read(pc, 0x204) & 0x10) ? 0xC0 : 0x80;
+ u32 tmp;
+
+ tmp = bcma_pcie_read(pc, BCMA_CORE_PCI_PLP_STATUSREG);
+ if (tmp & BCMA_CORE_PCI_PLP_POLARITYINV_STAT)
+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE |
+ BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY;
+ else
+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE;
}
static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc)
{
- const u8 serdes_pll_device = 0x1D;
- const u8 serdes_rx_device = 0x1F;
u16 tmp;
- bcma_pcie_mdio_write(pc, serdes_rx_device, 1 /* Control */,
- bcma_pcicore_polarity_workaround(pc));
- tmp = bcma_pcie_mdio_read(pc, serdes_pll_device, 1 /* Control */);
- if (tmp & 0x4000)
- bcma_pcie_mdio_write(pc, serdes_pll_device, 1, tmp & ~0x4000);
+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_RX,
+ BCMA_CORE_PCI_SERDES_RX_CTRL,
+ bcma_pcicore_polarity_workaround(pc));
+ tmp = bcma_pcie_mdio_read(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL,
+ BCMA_CORE_PCI_SERDES_PLL_CTRL);
+ if (tmp & BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN)
+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL,
+ BCMA_CORE_PCI_SERDES_PLL_CTRL,
+ tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN);
+}
+
+static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
+{
+ struct bcma_device *core = pc->core;
+ u16 val16, core_index;
+ uint regoff;
+
+ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
+ core_index = (u16)core->core_index;
+
+ val16 = pcicore_read16(pc, regoff);
+ if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
+ != core_index) {
+ val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
+ (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
+ pcicore_write16(pc, regoff, val16);
+ }
+}
+
+/* Fix MISC config to allow coming out of L2/L3-Ready state w/o PRST */
+/* Needs to happen when coming out of 'standby'/'hibernate' */
+static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc)
+{
+ u16 val16;
+ uint regoff;
+
+ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_MISC_CONFIG);
+
+ val16 = pcicore_read16(pc, regoff);
+
+ if (!(val16 & BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST)) {
+ val16 |= BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST;
+ pcicore_write16(pc, regoff, val16);
+ }
}
/**************************************************
* Init.
**************************************************/
-static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
+static void __devinit bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
{
+ bcma_core_pci_fixcfg(pc);
bcma_pcicore_serdes_workaround(pc);
+ bcma_core_pci_config_fixup(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)
+void __devinit 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
+ pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
+ if (pc->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;
+ if (!pc->hostmode)
+ bcma_core_pci_clientmode_init(pc);
}
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
@@ -236,3 +259,17 @@ out:
return err;
}
EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
+
+void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
+{
+ u32 w;
+
+ w = bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+ if (extend)
+ w |= BCMA_CORE_PCI_ASPMTIMER_EXTEND;
+ else
+ w &= ~BCMA_CORE_PCI_ASPMTIMER_EXTEND;
+ bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w);
+ bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer);
--- a/drivers/bcma/driver_pci_host.c
+++ b/drivers/bcma/driver_pci_host.c
@@ -2,13 +2,588 @@
* Broadcom specific AMBA
* PCI Core in hostmode
*
+ * Copyright 2005 - 2011, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include "bcma_private.h"
+#include <linux/pci.h>
+#include <linux/export.h>
#include <linux/bcma/bcma.h>
+#include <asm/paccess.h>
+
+/* Probe a 32bit value on the bus and catch bus exceptions.
+ * Returns nonzero on a bus exception.
+ * This is MIPS specific */
+#define mips_busprobe32(val, addr) get_dbe((val), ((u32 *)(addr)))
+
+/* Assume one-hot slot wiring */
+#define BCMA_PCI_SLOT_MAX 16
+#define PCI_CONFIG_SPACE_SIZE 256
+
+bool __devinit bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ u16 chipid_top;
+ u32 tmp;
+
+ chipid_top = (bus->chipinfo.id & 0xFF00);
+ if (chipid_top != 0x4700 &&
+ chipid_top != 0x5300)
+ return false;
+
+ if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) {
+ pr_info("This PCI core is disabled and not working\n");
+ return false;
+ }
+
+ bcma_core_enable(pc->core, 0);
+
+ return !mips_busprobe32(tmp, pc->core->io_addr);
+}
+
+static u32 bcma_pcie_read_config(struct bcma_drv_pci *pc, u32 address)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_ADDR);
+ return pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_DATA);
+}
+
+static void bcma_pcie_write_config(struct bcma_drv_pci *pc, u32 address,
+ u32 data)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_ADDR);
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_DATA, data);
+}
+
+static u32 bcma_get_cfgspace_addr(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off)
+{
+ u32 addr = 0;
+
+ /* Issue config commands only when the data link is up (atleast
+ * one external pcie device is present).
+ */
+ if (dev >= 2 || !(bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_LSREG)
+ & BCMA_CORE_PCI_DLLP_LSREG_LINKUP))
+ goto out;
+
+ /* Type 0 transaction */
+ /* Slide the PCI window to the appropriate slot */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI1, BCMA_CORE_PCI_SBTOPCI_CFG0);
+ /* Calculate the address */
+ addr = pc->host_controller->host_cfg_addr;
+ addr |= (dev << BCMA_CORE_PCI_CFG_SLOT_SHIFT);
+ addr |= (func << BCMA_CORE_PCI_CFG_FUN_SHIFT);
+ addr |= (off & ~3);
+
+out:
+ return addr;
+}
-void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
+static int bcma_extpci_read_config(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off,
+ void *buf, int len)
{
- pr_err("No support for PCI core in hostmode yet\n");
+ int err = -EINVAL;
+ u32 addr, val;
+ void __iomem *mmio = 0;
+
+ WARN_ON(!pc->hostmode);
+ if (unlikely(len != 1 && len != 2 && len != 4))
+ goto out;
+ if (dev == 0) {
+ /* we support only two functions on device 0 */
+ if (func > 1)
+ return -EINVAL;
+
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ if (off >= PCI_CONFIG_SPACE_SIZE) {
+ addr = (func << 12);
+ addr |= (off & 0x0FFF);
+ val = bcma_pcie_read_config(pc, addr);
+ } else {
+ addr = BCMA_CORE_PCI_PCICFG0;
+ addr |= (func << 8);
+ addr |= (off & 0xfc);
+ val = pcicore_read32(pc, addr);
+ }
+ } else {
+ addr = bcma_get_cfgspace_addr(pc, dev, func, off);
+ if (unlikely(!addr))
+ goto out;
+ err = -ENOMEM;
+ mmio = ioremap_nocache(addr, sizeof(val));
+ if (!mmio)
+ goto out;
+
+ if (mips_busprobe32(val, mmio)) {
+ val = 0xffffffff;
+ goto unmap;
+ }
+
+ val = readl(mmio);
+ }
+ val >>= (8 * (off & 3));
+
+ switch (len) {
+ case 1:
+ *((u8 *)buf) = (u8)val;
+ break;
+ case 2:
+ *((u16 *)buf) = (u16)val;
+ break;
+ case 4:
+ *((u32 *)buf) = (u32)val;
+ break;
+ }
+ err = 0;
+unmap:
+ if (mmio)
+ iounmap(mmio);
+out:
+ return err;
+}
+
+static int bcma_extpci_write_config(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off,
+ const void *buf, int len)
+{
+ int err = -EINVAL;
+ u32 addr = 0, val = 0;
+ void __iomem *mmio = 0;
+ u16 chipid = pc->core->bus->chipinfo.id;
+
+ WARN_ON(!pc->hostmode);
+ if (unlikely(len != 1 && len != 2 && len != 4))
+ goto out;
+ if (dev == 0) {
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ if (off < PCI_CONFIG_SPACE_SIZE) {
+ addr = pc->core->addr + BCMA_CORE_PCI_PCICFG0;
+ addr |= (func << 8);
+ addr |= (off & 0xfc);
+ mmio = ioremap_nocache(addr, sizeof(val));
+ if (!mmio)
+ goto out;
+ }
+ } else {
+ addr = bcma_get_cfgspace_addr(pc, dev, func, off);
+ if (unlikely(!addr))
+ goto out;
+ err = -ENOMEM;
+ mmio = ioremap_nocache(addr, sizeof(val));
+ if (!mmio)
+ goto out;
+
+ if (mips_busprobe32(val, mmio)) {
+ val = 0xffffffff;
+ goto unmap;
+ }
+ }
+
+ switch (len) {
+ case 1:
+ val = readl(mmio);
+ val &= ~(0xFF << (8 * (off & 3)));
+ val |= *((const u8 *)buf) << (8 * (off & 3));
+ break;
+ case 2:
+ val = readl(mmio);
+ val &= ~(0xFFFF << (8 * (off & 3)));
+ val |= *((const u16 *)buf) << (8 * (off & 3));
+ break;
+ case 4:
+ val = *((const u32 *)buf);
+ break;
+ }
+ if (dev == 0 && !addr) {
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ addr = (func << 12);
+ addr |= (off & 0x0FFF);
+ bcma_pcie_write_config(pc, addr, val);
+ } else {
+ writel(val, mmio);
+
+ if (chipid == 0x4716 || chipid == 0x4748)
+ readl(mmio);
+ }
+
+ err = 0;
+unmap:
+ if (mmio)
+ iounmap(mmio);
+out:
+ return err;
+}
+
+static int bcma_core_pci_hostmode_read_config(struct pci_bus *bus,
+ unsigned int devfn,
+ int reg, int size, u32 *val)
+{
+ unsigned long flags;
+ int err;
+ struct bcma_drv_pci *pc;
+ struct bcma_drv_pci_host *pc_host;
+
+ pc_host = container_of(bus->ops, struct bcma_drv_pci_host, pci_ops);
+ pc = pc_host->pdev;
+
+ spin_lock_irqsave(&pc_host->cfgspace_lock, flags);
+ err = bcma_extpci_read_config(pc, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), reg, val, size);
+ spin_unlock_irqrestore(&pc_host->cfgspace_lock, flags);
+
+ return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+static int bcma_core_pci_hostmode_write_config(struct pci_bus *bus,
+ unsigned int devfn,
+ int reg, int size, u32 val)
+{
+ unsigned long flags;
+ int err;
+ struct bcma_drv_pci *pc;
+ struct bcma_drv_pci_host *pc_host;
+
+ pc_host = container_of(bus->ops, struct bcma_drv_pci_host, pci_ops);
+ pc = pc_host->pdev;
+
+ spin_lock_irqsave(&pc_host->cfgspace_lock, flags);
+ err = bcma_extpci_write_config(pc, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), reg, &val, size);
+ spin_unlock_irqrestore(&pc_host->cfgspace_lock, flags);
+
+ return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+/* return cap_offset if requested capability exists in the PCI config space */
+static u8 __devinit bcma_find_pci_capability(struct bcma_drv_pci *pc,
+ unsigned int dev,
+ unsigned int func, u8 req_cap_id,
+ unsigned char *buf, u32 *buflen)
+{
+ u8 cap_id;
+ u8 cap_ptr = 0;
+ u32 bufsize;
+ u8 byte_val;
+
+ /* check for Header type 0 */
+ bcma_extpci_read_config(pc, dev, func, PCI_HEADER_TYPE, &byte_val,
+ sizeof(u8));
+ if ((byte_val & 0x7f) != PCI_HEADER_TYPE_NORMAL)
+ return cap_ptr;
+
+ /* check if the capability pointer field exists */
+ bcma_extpci_read_config(pc, dev, func, PCI_STATUS, &byte_val,
+ sizeof(u8));
+ if (!(byte_val & PCI_STATUS_CAP_LIST))
+ return cap_ptr;
+
+ /* check if the capability pointer is 0x00 */
+ bcma_extpci_read_config(pc, dev, func, PCI_CAPABILITY_LIST, &cap_ptr,
+ sizeof(u8));
+ if (cap_ptr == 0x00)
+ return cap_ptr;
+
+ /* loop thr'u the capability list and see if the requested capabilty
+ * exists */
+ bcma_extpci_read_config(pc, dev, func, cap_ptr, &cap_id, sizeof(u8));
+ while (cap_id != req_cap_id) {
+ bcma_extpci_read_config(pc, dev, func, cap_ptr + 1, &cap_ptr,
+ sizeof(u8));
+ if (cap_ptr == 0x00)
+ return cap_ptr;
+ bcma_extpci_read_config(pc, dev, func, cap_ptr, &cap_id,
+ sizeof(u8));
+ }
+
+ /* found the caller requested capability */
+ if ((buf != NULL) && (buflen != NULL)) {
+ u8 cap_data;
+
+ bufsize = *buflen;
+ if (!bufsize)
+ return cap_ptr;
+
+ *buflen = 0;
+
+ /* copy the cpability data excluding cap ID and next ptr */
+ cap_data = cap_ptr + 2;
+ if ((bufsize + cap_data) > PCI_CONFIG_SPACE_SIZE)
+ bufsize = PCI_CONFIG_SPACE_SIZE - cap_data;
+ *buflen = bufsize;
+ while (bufsize--) {
+ bcma_extpci_read_config(pc, dev, func, cap_data, buf,
+ sizeof(u8));
+ cap_data++;
+ buf++;
+ }
+ }
+
+ return cap_ptr;
+}
+
+/* If the root port is capable of returning Config Request
+ * Retry Status (CRS) Completion Status to software then
+ * enable the feature.
+ */
+static void __devinit bcma_core_pci_enable_crs(struct bcma_drv_pci *pc)
+{
+ u8 cap_ptr, root_ctrl, root_cap, dev;
+ u16 val16;
+ int i;
+
+ cap_ptr = bcma_find_pci_capability(pc, 0, 0, PCI_CAP_ID_EXP, NULL,
+ NULL);
+ root_cap = cap_ptr + PCI_EXP_RTCAP;
+ bcma_extpci_read_config(pc, 0, 0, root_cap, &val16, sizeof(u16));
+ if (val16 & BCMA_CORE_PCI_RC_CRS_VISIBILITY) {
+ /* Enable CRS software visibility */
+ root_ctrl = cap_ptr + PCI_EXP_RTCTL;
+ val16 = PCI_EXP_RTCTL_CRSSVE;
+ bcma_extpci_read_config(pc, 0, 0, root_ctrl, &val16,
+ sizeof(u16));
+
+ /* Initiate a configuration request to read the vendor id
+ * field of the device function's config space header after
+ * 100 ms wait time from the end of Reset. If the device is
+ * not done with its internal initialization, it must at
+ * least return a completion TLP, with a completion status
+ * of "Configuration Request Retry Status (CRS)". The root
+ * complex must complete the request to the host by returning
+ * a read-data value of 0001h for the Vendor ID field and
+ * all 1s for any additional bytes included in the request.
+ * Poll using the config reads for max wait time of 1 sec or
+ * until we receive the successful completion status. Repeat
+ * the procedure for all the devices.
+ */
+ for (dev = 1; dev < BCMA_PCI_SLOT_MAX; dev++) {
+ for (i = 0; i < 100000; i++) {
+ bcma_extpci_read_config(pc, dev, 0,
+ PCI_VENDOR_ID, &val16,
+ sizeof(val16));
+ if (val16 != 0x1)
+ break;
+ udelay(10);
+ }
+ if (val16 == 0x1)
+ pr_err("PCI: Broken device in slot %d\n", dev);
+ }
+ }
+}
+
+void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ struct bcma_drv_pci_host *pc_host;
+ u32 tmp;
+ u32 pci_membase_1G;
+ unsigned long io_map_base;
+
+ pr_info("PCIEcore in host mode found\n");
+
+ pc_host = kzalloc(sizeof(*pc_host), GFP_KERNEL);
+ if (!pc_host) {
+ pr_err("can not allocate memory");
+ return;
+ }
+
+ pc->host_controller = pc_host;
+ pc_host->pci_controller.io_resource = &pc_host->io_resource;
+ pc_host->pci_controller.mem_resource = &pc_host->mem_resource;
+ pc_host->pci_controller.pci_ops = &pc_host->pci_ops;
+ pc_host->pdev = pc;
+
+ pci_membase_1G = BCMA_SOC_PCI_DMA;
+ pc_host->host_cfg_addr = BCMA_SOC_PCI_CFG;
+
+ pc_host->pci_ops.read = bcma_core_pci_hostmode_read_config;
+ pc_host->pci_ops.write = bcma_core_pci_hostmode_write_config;
+
+ pc_host->mem_resource.name = "BCMA PCIcore external memory",
+ pc_host->mem_resource.start = BCMA_SOC_PCI_DMA;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_DMA + BCMA_SOC_PCI_DMA_SZ - 1;
+ pc_host->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;
+
+ pc_host->io_resource.name = "BCMA PCIcore external I/O",
+ pc_host->io_resource.start = 0x100;
+ pc_host->io_resource.end = 0x7FF;
+ pc_host->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;
+
+ /* Reset RC */
+ udelay(3000);
+ pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE);
+ udelay(1000);
+ pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST |
+ BCMA_CORE_PCI_CTL_RST_OE);
+
+ /* 64 MB I/O access window. On 4716, use
+ * sbtopcie0 to access the device registers. We
+ * can't use address match 2 (1 GB window) region
+ * as mips can't generate 64-bit address on the
+ * backplane.
+ */
+ if (bus->chipinfo.id == 0x4716 || bus->chipinfo.id == 0x4748) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ BCMA_CORE_PCI_SBTOPCI_MEM | BCMA_SOC_PCI_MEM);
+ } else if (bus->chipinfo.id == 0x5300) {
+ tmp = BCMA_CORE_PCI_SBTOPCI_MEM;
+ tmp |= BCMA_CORE_PCI_SBTOPCI_PREF;
+ tmp |= BCMA_CORE_PCI_SBTOPCI_BURST;
+ if (pc->core->core_unit == 0) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pci_membase_1G = BCMA_SOC_PCIE_DMA_H32;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ tmp | BCMA_SOC_PCI_MEM);
+ } else if (pc->core->core_unit == 1) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI1_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI1_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pci_membase_1G = BCMA_SOC_PCIE1_DMA_H32;
+ pc_host->host_cfg_addr = BCMA_SOC_PCI1_CFG;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ tmp | BCMA_SOC_PCI1_MEM);
+ }
+ } else
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ BCMA_CORE_PCI_SBTOPCI_IO);
+
+ /* 64 MB configuration access window */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI1, BCMA_CORE_PCI_SBTOPCI_CFG0);
+
+ /* 1 GB memory access window */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI2,
+ BCMA_CORE_PCI_SBTOPCI_MEM | pci_membase_1G);
+
+
+ /* As per PCI Express Base Spec 1.1 we need to wait for
+ * at least 100 ms from the end of a reset (cold/warm/hot)
+ * before issuing configuration requests to PCI Express
+ * devices.
+ */
+ udelay(100000);
+
+ bcma_core_pci_enable_crs(pc);
+
+ /* Enable PCI bridge BAR0 memory & master access */
+ tmp = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ bcma_extpci_write_config(pc, 0, 0, PCI_COMMAND, &tmp, sizeof(tmp));
+
+ /* Enable PCI interrupts */
+ pcicore_write32(pc, BCMA_CORE_PCI_IMASK, BCMA_CORE_PCI_IMASK_INTA);
+
+ /* Ok, ready to run, register it to the system.
+ * The following needs change, if we want to port hostmode
+ * to non-MIPS platform. */
+ io_map_base = (unsigned long)ioremap_nocache(pc_host->mem_resource.start,
+ resource_size(&pc_host->mem_resource));
+ pc_host->pci_controller.io_map_base = io_map_base;
+ set_io_port_base(pc_host->pci_controller.io_map_base);
+ /* Give some time to the PCI controller to configure itself with the new
+ * values. Not waiting at this point causes crashes of the machine. */
+ mdelay(10);
+ register_pci_controller(&pc_host->pci_controller);
+ return;
+}
+
+/* Early PCI fixup for a device on the PCI-core bridge. */
+static void bcma_core_pci_fixup_pcibridge(struct pci_dev *dev)
+{
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return;
+ }
+ if (PCI_SLOT(dev->devfn) != 0)
+ return;
+
+ pr_info("PCI: Fixing up bridge %s\n", pci_name(dev));
+
+ /* Enable PCI bridge bus mastering and memory space */
+ pci_set_master(dev);
+ if (pcibios_enable_device(dev, ~0) < 0) {
+ pr_err("PCI: BCMA bridge enable failed\n");
+ return;
+ }
+
+ /* Enable PCI bridge BAR1 prefetch and burst */
+ pci_write_config_dword(dev, BCMA_PCI_BAR1_CONTROL, 3);
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, bcma_core_pci_fixup_pcibridge);
+
+/* Early PCI fixup for all PCI-cores to set the correct memory address. */
+static void bcma_core_pci_fixup_addresses(struct pci_dev *dev)
+{
+ struct resource *res;
+ int pos;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return;
+ }
+ if (PCI_SLOT(dev->devfn) == 0)
+ return;
+
+ pr_info("PCI: Fixing up addresses %s\n", pci_name(dev));
+
+ for (pos = 0; pos < 6; pos++) {
+ res = &dev->resource[pos];
+ if (res->flags & (IORESOURCE_IO | IORESOURCE_MEM))
+ pci_assign_resource(dev, pos);
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, bcma_core_pci_fixup_addresses);
+
+/* This function is called when doing a pci_enable_device().
+ * We must first check if the device is a device on the PCI-core bridge. */
+int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
+{
+ struct bcma_drv_pci_host *pc_host;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return -ENODEV;
+ }
+ pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
+ pci_ops);
+
+ pr_info("PCI: Fixing up device %s\n", pci_name(dev));
+
+ /* Fix up interrupt lines */
+ dev->irq = bcma_core_mips_irq(pc_host->pdev->core) + 2;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+
+ return 0;
+}
+EXPORT_SYMBOL(bcma_core_pci_plat_dev_init);
+
+/* PCI device IRQ mapping. */
+int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev)
+{
+ struct bcma_drv_pci_host *pc_host;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return -ENODEV;
+ }
+
+ pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
+ pci_ops);
+ return bcma_core_mips_irq(pc_host->pdev->core) + 2;
}
+EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq);
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -21,48 +21,58 @@ 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)
{
- if (core->bus->mapped_core != core)
- bcma_host_pci_switch_core(core);
+ offset += bcma_host_pci_provide_access_to_core(core);
iowrite32(value, core->bus->mmio + offset);
}
@@ -144,8 +154,8 @@ const struct bcma_host_ops bcma_host_pci
.awrite32 = bcma_host_pci_awrite32,
};
-static int bcma_host_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *id)
+static int __devinit bcma_host_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
{
struct bcma_bus *bus;
int err = -ENOMEM;
@@ -191,6 +201,9 @@ static int bcma_host_pci_probe(struct pc
bus->hosttype = BCMA_HOSTTYPE_PCI;
bus->ops = &bcma_host_pci_ops;
+ bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
+ bus->boardinfo.type = bus->host_pci->subsystem_device;
+
/* Register */
err = bcma_bus_register(bus);
if (err)
@@ -212,7 +225,7 @@ err_kfree_bus:
return err;
}
-static void bcma_host_pci_remove(struct pci_dev *dev)
+static void __devexit bcma_host_pci_remove(struct pci_dev *dev)
{
struct bcma_bus *bus = pci_get_drvdata(dev);
@@ -225,41 +238,32 @@ static void bcma_host_pci_remove(struct
}
#ifdef CONFIG_PM
-static int bcma_host_pci_suspend(struct pci_dev *dev, pm_message_t state)
+static int bcma_host_pci_suspend(struct device *dev)
{
- struct bcma_bus *bus = pci_get_drvdata(dev);
-
- /* Host specific */
- pci_save_state(dev);
- pci_disable_device(dev);
- pci_set_power_state(dev, pci_choose_state(dev, state));
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
bus->mapped_core = NULL;
- return 0;
+
+ return bcma_bus_suspend(bus);
}
-static int bcma_host_pci_resume(struct pci_dev *dev)
+static int bcma_host_pci_resume(struct device *dev)
{
- struct bcma_bus *bus = pci_get_drvdata(dev);
- int err;
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
- /* Host specific */
- pci_set_power_state(dev, 0);
- err = pci_enable_device(dev);
- if (err)
- return err;
- pci_restore_state(dev);
+ return bcma_bus_resume(bus);
+}
- /* Bus specific */
- err = bcma_bus_resume(bus);
- if (err)
- return err;
+static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
+ bcma_host_pci_resume);
+#define BCMA_PM_OPS (&bcma_pm_ops)
- return 0;
-}
#else /* CONFIG_PM */
-# define bcma_host_pci_suspend NULL
-# define bcma_host_pci_resume NULL
+
+#define BCMA_PM_OPS NULL
+
#endif /* CONFIG_PM */
static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
@@ -276,9 +280,8 @@ static struct pci_driver bcma_pci_bridge
.name = "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,
+ .remove = __devexit_p(bcma_host_pci_remove),
+ .driver.pm = BCMA_PM_OPS,
};
int __init bcma_host_pci_init(void)
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -13,6 +13,12 @@
MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
MODULE_LICENSE("GPL");
+/* contains the number the next bus should get. */
+static unsigned int bcma_bus_next_num = 0;
+
+/* bcma_buses_mutex locks the bcma_bus_next_num */
+static DEFINE_MUTEX(bcma_buses_mutex);
+
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);
@@ -55,7 +61,7 @@ static struct bus_type bcma_bus_type = {
.dev_attrs = bcma_device_attrs,
};
-static struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
+struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
{
struct bcma_device *core;
@@ -65,6 +71,7 @@ static struct bcma_device *bcma_find_cor
}
return NULL;
}
+EXPORT_SYMBOL_GPL(bcma_find_core);
static void bcma_release_core_dev(struct device *dev)
{
@@ -93,7 +100,7 @@ static int bcma_register_cores(struct bc
core->dev.release = bcma_release_core_dev;
core->dev.bus = &bcma_bus_type;
- dev_set_name(&core->dev, "bcma%d:%d", 0/*bus->num*/, dev_id);
+ dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
switch (bus->hosttype) {
case BCMA_HOSTTYPE_PCI:
@@ -132,11 +139,15 @@ static void bcma_unregister_cores(struct
}
}
-int bcma_bus_register(struct bcma_bus *bus)
+int __devinit bcma_bus_register(struct bcma_bus *bus)
{
int err;
struct bcma_device *core;
+ mutex_lock(&bcma_buses_mutex);
+ bus->num = bcma_bus_next_num++;
+ mutex_unlock(&bcma_buses_mutex);
+
/* Scan for devices (cores) */
err = bcma_bus_scan(bus);
if (err) {
@@ -169,10 +180,8 @@ int bcma_bus_register(struct bcma_bus *b
err = bcma_sprom_get(bus);
if (err == -ENOENT) {
pr_err("No SPROM available\n");
- } else if (err) {
+ } else if (err)
pr_err("Failed to get SPROM: %d\n", err);
- return -ENOENT;
- }
/* Register found cores */
bcma_register_cores(bus);
@@ -241,6 +250,21 @@ int __init bcma_bus_early_register(struc
}
#ifdef CONFIG_PM
+int bcma_bus_suspend(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ struct device_driver *drv = core->dev.driver;
+ if (drv) {
+ struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ if (adrv->suspend)
+ adrv->suspend(core);
+ }
+ }
+ return 0;
+}
+
int bcma_bus_resume(struct bcma_bus *bus)
{
struct bcma_device *core;
@@ -252,6 +276,15 @@ int bcma_bus_resume(struct bcma_bus *bus
bcma_core_chipcommon_init(&bus->drv_cc);
}
+ list_for_each_entry(core, &bus->cores, list) {
+ struct device_driver *drv = core->dev.driver;
+ if (drv) {
+ struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ if (adrv->resume)
+ adrv->resume(core);
+ }
+ }
+
return 0;
}
#endif
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -19,7 +19,14 @@ struct bcma_device_id_name {
u16 id;
const char *name;
};
-struct bcma_device_id_name bcma_device_names[] = {
+
+static const struct bcma_device_id_name bcma_arm_device_names[] = {
+ { BCMA_CORE_ARM_1176, "ARM 1176" },
+ { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" },
+ { BCMA_CORE_ARM_CM3, "ARM CM3" },
+};
+
+static const struct bcma_device_id_name bcma_bcm_device_names[] = {
{ BCMA_CORE_OOB_ROUTER, "OOB Router" },
{ BCMA_CORE_INVALID, "Invalid" },
{ BCMA_CORE_CHIPCOMMON, "ChipCommon" },
@@ -27,7 +34,6 @@ struct bcma_device_id_name bcma_device_n
{ BCMA_CORE_SRAM, "SRAM" },
{ BCMA_CORE_SDRAM, "SDRAM" },
{ BCMA_CORE_PCI, "PCI" },
- { BCMA_CORE_MIPS, "MIPS" },
{ BCMA_CORE_ETHERNET, "Fast Ethernet" },
{ BCMA_CORE_V90, "V90" },
{ BCMA_CORE_USB11_HOSTDEV, "USB 1.1 Hostdev" },
@@ -44,7 +50,6 @@ struct bcma_device_id_name bcma_device_n
{ BCMA_CORE_PHY_A, "PHY A" },
{ BCMA_CORE_PHY_B, "PHY B" },
{ BCMA_CORE_PHY_G, "PHY G" },
- { BCMA_CORE_MIPS_3302, "MIPS 3302" },
{ BCMA_CORE_USB11_HOST, "USB 1.1 Host" },
{ BCMA_CORE_USB11_DEV, "USB 1.1 Device" },
{ BCMA_CORE_USB20_HOST, "USB 2.0 Host" },
@@ -58,15 +63,11 @@ struct bcma_device_id_name bcma_device_n
{ BCMA_CORE_PHY_N, "PHY N" },
{ BCMA_CORE_SRAM_CTL, "SRAM Controller" },
{ BCMA_CORE_MINI_MACPHY, "Mini MACPHY" },
- { BCMA_CORE_ARM_1176, "ARM 1176" },
- { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" },
{ BCMA_CORE_PHY_LP, "PHY LP" },
{ BCMA_CORE_PMU, "PMU" },
{ BCMA_CORE_PHY_SSN, "PHY SSN" },
{ BCMA_CORE_SDIO_DEV, "SDIO Device" },
- { BCMA_CORE_ARM_CM3, "ARM CM3" },
{ BCMA_CORE_PHY_HT, "PHY HT" },
- { BCMA_CORE_MIPS_74K, "MIPS 74K" },
{ BCMA_CORE_MAC_GBIT, "GBit MAC" },
{ BCMA_CORE_DDR12_MEM_CTL, "DDR1/DDR2 Memory Controller" },
{ BCMA_CORE_PCIE_RC, "PCIe Root Complex" },
@@ -79,16 +80,41 @@ struct bcma_device_id_name bcma_device_n
{ BCMA_CORE_SHIM, "SHIM" },
{ BCMA_CORE_DEFAULT, "Default" },
};
-const char *bcma_device_name(struct bcma_device_id *id)
+
+static const struct bcma_device_id_name bcma_mips_device_names[] = {
+ { BCMA_CORE_MIPS, "MIPS" },
+ { BCMA_CORE_MIPS_3302, "MIPS 3302" },
+ { BCMA_CORE_MIPS_74K, "MIPS 74K" },
+};
+
+static const char *bcma_device_name(const struct bcma_device_id *id)
{
- int i;
+ const struct bcma_device_id_name *names;
+ int size, i;
- if (id->manuf == BCMA_MANUF_BCM) {
- for (i = 0; i < ARRAY_SIZE(bcma_device_names); i++) {
- if (bcma_device_names[i].id == id->id)
- return bcma_device_names[i].name;
- }
+ /* search manufacturer specific names */
+ switch (id->manuf) {
+ case BCMA_MANUF_ARM:
+ names = bcma_arm_device_names;
+ size = ARRAY_SIZE(bcma_arm_device_names);
+ break;
+ case BCMA_MANUF_BCM:
+ names = bcma_bcm_device_names;
+ size = ARRAY_SIZE(bcma_bcm_device_names);
+ break;
+ case BCMA_MANUF_MIPS:
+ names = bcma_mips_device_names;
+ size = ARRAY_SIZE(bcma_mips_device_names);
+ break;
+ default:
+ return "UNKNOWN";
+ }
+
+ for (i = 0; i < size; i++) {
+ if (names[i].id == id->id)
+ return names[i].name;
}
+
return "UNKNOWN";
}
@@ -212,6 +238,17 @@ static struct bcma_device *bcma_find_cor
return NULL;
}
+static struct bcma_device *bcma_find_core_reverse(struct bcma_bus *bus, u16 coreid)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry_reverse(core, &bus->cores, list) {
+ if (core->id.id == coreid)
+ 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)
@@ -353,6 +390,7 @@ static int bcma_get_next_core(struct bcm
void bcma_init_bus(struct bcma_bus *bus)
{
s32 tmp;
+ struct bcma_chipinfo *chipinfo = &(bus->chipinfo);
if (bus->init_done)
return;
@@ -363,9 +401,12 @@ void bcma_init_bus(struct bcma_bus *bus)
bcma_scan_switch_core(bus, BCMA_ADDR_BASE);
tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID);
- 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;
+ chipinfo->id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT;
+ chipinfo->rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT;
+ chipinfo->pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT;
+ pr_info("Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n",
+ chipinfo->id, chipinfo->rev, chipinfo->pkg);
+
bus->init_done = true;
}
@@ -392,6 +433,7 @@ int bcma_bus_scan(struct bcma_bus *bus)
bcma_scan_switch_core(bus, erombase);
while (eromptr < eromend) {
+ struct bcma_device *other_core;
struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL);
if (!core)
return -ENOMEM;
@@ -399,18 +441,23 @@ int bcma_bus_scan(struct bcma_bus *bus)
core->bus = bus;
err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
- if (err == -ENODEV) {
- core_num++;
- continue;
- } else if (err == -ENXIO)
- continue;
- else if (err == -ESPIPE)
- break;
- else if (err < 0)
+ if (err < 0) {
+ kfree(core);
+ if (err == -ENODEV) {
+ core_num++;
+ continue;
+ } else if (err == -ENXIO) {
+ continue;
+ } else if (err == -ESPIPE) {
+ break;
+ }
return err;
+ }
core->core_index = core_num++;
bus->nr_cores++;
+ other_core = bcma_find_core_reverse(bus, core->id.id);
+ core->core_unit = (other_core == NULL) ? 0 : other_core->core_unit + 1;
pr_info("Core %d found: %s "
"(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n",
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -2,6 +2,8 @@
* Broadcom specific AMBA
* SPROM reading
*
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -14,7 +16,57 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
-#define SPOFF(offset) ((offset) / sizeof(u16))
+static int(*get_fallback_sprom)(struct bcma_bus *dev, struct ssb_sprom *out);
+
+/**
+ * bcma_arch_register_fallback_sprom - Registers a method providing a
+ * fallback SPROM if no SPROM is found.
+ *
+ * @sprom_callback: The callback function.
+ *
+ * With this function the architecture implementation may register a
+ * callback handler which fills the SPROM data structure. The fallback is
+ * used for PCI based BCMA devices, where no valid SPROM can be found
+ * in the shadow registers and to provide the SPROM for SoCs where BCMA is
+ * to controll the system bus.
+ *
+ * This function is useful for weird architectures that have a half-assed
+ * BCMA device hardwired to their PCI bus.
+ *
+ * This function is available for architecture code, only. So it is not
+ * exported.
+ */
+int bcma_arch_register_fallback_sprom(int (*sprom_callback)(struct bcma_bus *bus,
+ struct ssb_sprom *out))
+{
+ if (get_fallback_sprom)
+ return -EEXIST;
+ get_fallback_sprom = sprom_callback;
+
+ return 0;
+}
+
+static int bcma_fill_sprom_with_fallback(struct bcma_bus *bus,
+ struct ssb_sprom *out)
+{
+ int err;
+
+ if (!get_fallback_sprom) {
+ err = -ENOENT;
+ goto fail;
+ }
+
+ err = get_fallback_sprom(bus, out);
+ if (err)
+ goto fail;
+
+ pr_debug("Using SPROM revision %d provided by"
+ " platform.\n", bus->sprom.revision);
+ return 0;
+fail:
+ pr_warn("Using fallback SPROM failed (err %d)\n", err);
+ return err;
+}
/**************************************************
* R/W ops.
@@ -124,37 +176,403 @@ static int bcma_sprom_valid(const u16 *s
* SPROM extraction.
**************************************************/
+#define SPOFF(offset) ((offset) / sizeof(u16))
+
+#define SPEX(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((sprom[SPOFF(_offset)] & (_mask)) >> (_shift))
+
+#define SPEX32(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((((u32)sprom[SPOFF((_offset)+2)] << 16 | \
+ sprom[SPOFF(_offset)]) & (_mask)) >> (_shift))
+
+#define SPEX_ARRAY8(_field, _offset, _mask, _shift) \
+ do { \
+ SPEX(_field[0], _offset + 0, _mask, _shift); \
+ SPEX(_field[1], _offset + 2, _mask, _shift); \
+ SPEX(_field[2], _offset + 4, _mask, _shift); \
+ SPEX(_field[3], _offset + 6, _mask, _shift); \
+ SPEX(_field[4], _offset + 8, _mask, _shift); \
+ SPEX(_field[5], _offset + 10, _mask, _shift); \
+ SPEX(_field[6], _offset + 12, _mask, _shift); \
+ SPEX(_field[7], _offset + 14, _mask, _shift); \
+ } while (0)
+
static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
{
- u16 v;
+ u16 v, o;
int i;
+ u16 pwr_info_offset[] = {
+ SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1,
+ SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3
+ };
+ BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
+ ARRAY_SIZE(bus->sprom.core_pwr_info));
+
+ 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)];
+ SPEX(board_rev, SSB_SPROM8_BOARDREV, ~0, 0);
- 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)];
+ SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G0,
+ SSB_SPROM4_TXPID2G0_SHIFT);
+ SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G1,
+ SSB_SPROM4_TXPID2G1_SHIFT);
+ SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G2,
+ SSB_SPROM4_TXPID2G2_SHIFT);
+ SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G3,
+ SSB_SPROM4_TXPID2G3_SHIFT);
+
+ SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL0,
+ SSB_SPROM4_TXPID5GL0_SHIFT);
+ SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL1,
+ SSB_SPROM4_TXPID5GL1_SHIFT);
+ SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL2,
+ SSB_SPROM4_TXPID5GL2_SHIFT);
+ SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL3,
+ SSB_SPROM4_TXPID5GL3_SHIFT);
+
+ SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G0,
+ SSB_SPROM4_TXPID5G0_SHIFT);
+ SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G1,
+ SSB_SPROM4_TXPID5G1_SHIFT);
+ SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G2,
+ SSB_SPROM4_TXPID5G2_SHIFT);
+ SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G3,
+ SSB_SPROM4_TXPID5G3_SHIFT);
+
+ SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH0,
+ SSB_SPROM4_TXPID5GH0_SHIFT);
+ SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH1,
+ SSB_SPROM4_TXPID5GH1_SHIFT);
+ SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH2,
+ SSB_SPROM4_TXPID5GH2_SHIFT);
+ SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH3,
+ SSB_SPROM4_TXPID5GH3_SHIFT);
+
+ SPEX(boardflags_lo, SSB_SPROM8_BFLLO, ~0, 0);
+ SPEX(boardflags_hi, SSB_SPROM8_BFLHI, ~0, 0);
+ SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, ~0, 0);
+ SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, ~0, 0);
+
+ SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
+
+ /* Extract cores power info info */
+ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
+ o = pwr_info_offset[i];
+ SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_MAXP, 0);
+
+ SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0);
+
+ SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GH_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT);
+
+ SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0);
+ }
+
+ SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TSSIPOS,
+ SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_EXTPA_GAIN,
+ SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_PDET_RANGE,
+ SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TR_ISO,
+ SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_ANTSWLUT,
+ SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TSSIPOS,
+ SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_EXTPA_GAIN,
+ SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_PDET_RANGE,
+ SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TR_ISO,
+ SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_ANTSWLUT,
+ SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
+ SSB_SPROM8_ANTAVAIL_A_SHIFT);
+ SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
+ SSB_SPROM8_ANTAVAIL_BG_SHIFT);
+ SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
+ SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
+ SSB_SPROM8_ITSSI_BG_SHIFT);
+ SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
+ SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
+ SSB_SPROM8_ITSSI_A_SHIFT);
+ SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0);
+ SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK,
+ SSB_SPROM8_MAXP_AL_SHIFT);
+ SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
+ SSB_SPROM8_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
+ SSB_SPROM8_GPIOB_P3_SHIFT);
+ SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0);
+ SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G,
+ SSB_SPROM8_TRI5G_SHIFT);
+ SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0);
+ SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH,
+ SSB_SPROM8_TRI5GH_SHIFT);
+ SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G,
+ SSB_SPROM8_RXPO2G_SHIFT);
+ SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G,
+ SSB_SPROM8_RXPO5G_SHIFT);
+ SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0);
+ SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G,
+ SSB_SPROM8_RSSISMC2G_SHIFT);
+ SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G,
+ SSB_SPROM8_RSSISAV2G_SHIFT);
+ SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G,
+ SSB_SPROM8_BXA2G_SHIFT);
+ SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0);
+ SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G,
+ SSB_SPROM8_RSSISMC5G_SHIFT);
+ SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G,
+ SSB_SPROM8_RSSISAV5G_SHIFT);
+ SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G,
+ SSB_SPROM8_BXA5G_SHIFT);
+
+ SPEX(pa0b0, SSB_SPROM8_PA0B0, ~0, 0);
+ SPEX(pa0b1, SSB_SPROM8_PA0B1, ~0, 0);
+ SPEX(pa0b2, SSB_SPROM8_PA0B2, ~0, 0);
+ SPEX(pa1b0, SSB_SPROM8_PA1B0, ~0, 0);
+ SPEX(pa1b1, SSB_SPROM8_PA1B1, ~0, 0);
+ SPEX(pa1b2, SSB_SPROM8_PA1B2, ~0, 0);
+ SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, ~0, 0);
+ SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, ~0, 0);
+ SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, ~0, 0);
+ SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, ~0, 0);
+ SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, ~0, 0);
+ SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, ~0, 0);
+ SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, ~0, 0);
+ SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, ~0, 0);
+ SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, ~0, 0);
+ SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, ~0, 0);
+ SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, ~0, 0);
+
+ /* Extract the antenna gain values. */
+ SPEX(antenna_gain.a0, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+ SPEX(antenna_gain.a1, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+ SPEX(antenna_gain.a2, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+ SPEX(antenna_gain.a3, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+
+ SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
+ SSB_SPROM8_LEDDC_ON_SHIFT);
+ SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF,
+ SSB_SPROM8_LEDDC_OFF_SHIFT);
+
+ SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN,
+ SSB_SPROM8_TXRXC_TXCHAIN_SHIFT);
+ SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN,
+ SSB_SPROM8_TXRXC_RXCHAIN_SHIFT);
+ SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH,
+ SSB_SPROM8_TXRXC_SWITCH_SHIFT);
+
+ SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0);
+
+ SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0);
+
+ SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP,
+ SSB_SPROM8_RAWTS_RAWTEMP_SHIFT);
+ SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER,
+ SSB_SPROM8_RAWTS_MEASPOWER_SHIFT);
+ SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT);
+ SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX,
+ SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT);
+ SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT);
+ SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT);
+ SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT);
+ SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL,
+ SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT);
+
+ SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0);
+ SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0);
+ SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0);
+ SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0);
+
+ SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH,
+ SSB_SPROM8_THERMAL_TRESH_SHIFT);
+ SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET,
+ SSB_SPROM8_THERMAL_OFFSET_SHIFT);
+ SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_PHYCAL,
+ SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT);
+ SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD,
+ SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT);
+ SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT);
+}
+
+/*
+ * Indicates the presence of external SPROM.
+ */
+static bool bcma_sprom_ext_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 srom_control;
+ u32 present_mask;
+
+ if (bus->drv_cc.core->id.rev >= 31) {
+ if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
+ return false;
+
+ srom_control = bcma_read32(bus->drv_cc.core,
+ BCMA_CC_SROM_CONTROL);
+ return srom_control & BCMA_CC_SROM_CONTROL_PRESENT;
+ }
- bus->sprom.country_code = sprom[SPOFF(SSB_SPROM8_CCODE)];
+ /* older chipcommon revisions use chip status register */
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case 0x4313:
+ present_mask = BCMA_CC_CHIPST_4313_SPROM_PRESENT;
+ break;
+
+ case 0x4331:
+ present_mask = BCMA_CC_CHIPST_4331_SPROM_PRESENT;
+ break;
+
+ default:
+ return true;
+ }
+
+ return chip_status & present_mask;
+}
+
+/*
+ * Indicates that on-chip OTP memory is present and enabled.
+ */
+static bool bcma_sprom_onchip_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 otpsize = 0;
+ bool present;
+
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case 0x4313:
+ present = chip_status & BCMA_CC_CHIPST_4313_OTP_PRESENT;
+ break;
+
+ case 0x4331:
+ present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
+ break;
+
+ case 43224:
+ case 43225:
+ /* for these chips OTP is always available */
+ present = true;
+ break;
+
+ default:
+ present = false;
+ break;
+ }
+
+ if (present) {
+ otpsize = bus->drv_cc.capabilities & BCMA_CC_CAP_OTPS;
+ otpsize >>= BCMA_CC_CAP_OTPS_SHIFT;
+ }
+
+ return otpsize != 0;
+}
+
+/*
+ * Verify OTP is filled and determine the byte
+ * offset where SPROM data is located.
+ *
+ * On error, returns 0; byte offset otherwise.
+ */
+static int bcma_sprom_onchip_offset(struct bcma_bus *bus)
+{
+ struct bcma_device *cc = bus->drv_cc.core;
+ u32 offset;
+
+ /* verify OTP status */
+ if ((bcma_read32(cc, BCMA_CC_OTPS) & BCMA_CC_OTPS_GU_PROG_HW) == 0)
+ return 0;
+
+ /* obtain bit offset from otplayout register */
+ offset = (bcma_read32(cc, BCMA_CC_OTPL) & BCMA_CC_OTPL_GURGN_OFFSET);
+ return BCMA_CC_SPROM + (offset >> 3);
}
int bcma_sprom_get(struct bcma_bus *bus)
{
- u16 offset;
+ u16 offset = BCMA_CC_SPROM;
u16 *sprom;
int err = 0;
if (!bus->drv_cc.core)
return -EOPNOTSUPP;
- if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
- return -ENOENT;
+ if (!bcma_sprom_ext_available(bus)) {
+ bool sprom_onchip;
+
+ /*
+ * External SPROM takes precedence so check
+ * on-chip OTP only when no external SPROM
+ * is present.
+ */
+ sprom_onchip = bcma_sprom_onchip_available(bus);
+ if (sprom_onchip) {
+ /* determine offset */
+ offset = bcma_sprom_onchip_offset(bus);
+ }
+ if (!offset || !sprom_onchip) {
+ /*
+ * Maybe there is no SPROM on the device?
+ * Now we ask the arch code if there is some sprom
+ * available for this device in some other storage.
+ */
+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
+ return err;
+ }
+ }
sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
GFP_KERNEL);
@@ -164,11 +582,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
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;
+ pr_debug("SPROM offset 0x%x\n", offset);
bcma_sprom_read(bus, offset, sprom);
if (bus->chipinfo.id == 0x4331)
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -26,6 +26,11 @@ struct bcma_chipinfo {
u8 pkg;
};
+struct bcma_boardinfo {
+ u16 vendor;
+ u16 type;
+};
+
enum bcma_clkmode {
BCMA_CLKMODE_FAST,
BCMA_CLKMODE_DYNAMIC,
@@ -136,6 +141,7 @@ struct bcma_device {
bool dev_registered;
u8 core_index;
+ u8 core_unit;
u32 addr;
u32 wrap;
@@ -162,7 +168,7 @@ struct bcma_driver {
int (*probe)(struct bcma_device *dev);
void (*remove)(struct bcma_device *dev);
- int (*suspend)(struct bcma_device *dev, pm_message_t state);
+ int (*suspend)(struct bcma_device *dev);
int (*resume)(struct bcma_device *dev);
void (*shutdown)(struct bcma_device *dev);
@@ -175,6 +181,12 @@ int __bcma_driver_register(struct bcma_d
extern void bcma_driver_unregister(struct bcma_driver *drv);
+/* Set a fallback SPROM.
+ * See kdoc at the function definition for complete documentation. */
+extern int bcma_arch_register_fallback_sprom(
+ int (*sprom_callback)(struct bcma_bus *bus,
+ struct ssb_sprom *out));
+
struct bcma_bus {
/* The MMIO area. */
void __iomem *mmio;
@@ -191,10 +203,13 @@ struct bcma_bus {
struct bcma_chipinfo chipinfo;
+ struct bcma_boardinfo boardinfo;
+
struct bcma_device *mapped_core;
struct list_head cores;
u8 nr_cores;
u8 init_done:1;
+ u8 num;
struct bcma_drv_cc drv_cc;
struct bcma_drv_pci drv_pci;
@@ -205,62 +220,84 @@ struct bcma_bus {
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);
}
#ifdef CONFIG_BCMA_BLOCKIO
-extern inline void bcma_block_read(struct bcma_device *core, void *buffer,
+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);
}
-extern inline void bcma_block_write(struct bcma_device *core, const void *buffer,
- size_t count, u16 offset, u8 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
-extern inline u32 bcma_aread32(struct bcma_device *core, u16 offset)
+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);
}
-#define bcma_mask32(cc, offset, mask) \
- bcma_write32(cc, offset, bcma_read32(cc, offset) & (mask))
-#define bcma_set32(cc, offset, set) \
- bcma_write32(cc, offset, bcma_read32(cc, offset) | (set))
-#define bcma_maskset32(cc, offset, mask, set) \
- bcma_write32(cc, offset, (bcma_read32(cc, offset) & (mask)) | (set))
+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 struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid);
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);
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -56,6 +56,9 @@
#define BCMA_CC_OTPS_HW_PROTECT 0x00000001
#define BCMA_CC_OTPS_SW_PROTECT 0x00000002
#define BCMA_CC_OTPS_CID_PROTECT 0x00000004
+#define BCMA_CC_OTPS_GU_PROG_IND 0x00000F00 /* General Use programmed indication */
+#define BCMA_CC_OTPS_GU_PROG_IND_SHIFT 8
+#define BCMA_CC_OTPS_GU_PROG_HW 0x00000100 /* HW region programmed */
#define BCMA_CC_OTPC 0x0014 /* OTP control */
#define BCMA_CC_OTPC_RECWAIT 0xFF000000
#define BCMA_CC_OTPC_PROGWAIT 0x00FFFF00
@@ -72,6 +75,8 @@
#define BCMA_CC_OTPP_READ 0x40000000
#define BCMA_CC_OTPP_START 0x80000000
#define BCMA_CC_OTPP_BUSY 0x80000000
+#define BCMA_CC_OTPL 0x001C /* OTP layout */
+#define BCMA_CC_OTPL_GURGN_OFFSET 0x00000FFF /* offset of general use region */
#define BCMA_CC_IRQSTAT 0x0020
#define BCMA_CC_IRQMASK 0x0024
#define BCMA_CC_IRQ_GPIO 0x00000001 /* gpio intr */
@@ -79,6 +84,10 @@
#define BCMA_CC_IRQ_WDRESET 0x80000000 /* watchdog reset occurred */
#define BCMA_CC_CHIPCTL 0x0028 /* Rev >= 11 only */
#define BCMA_CC_CHIPSTAT 0x002C /* Rev >= 11 only */
+#define BCMA_CC_CHIPST_4313_SPROM_PRESENT 1
+#define BCMA_CC_CHIPST_4313_OTP_PRESENT 2
+#define BCMA_CC_CHIPST_4331_SPROM_PRESENT 2
+#define BCMA_CC_CHIPST_4331_OTP_PRESENT 4
#define BCMA_CC_JCMD 0x0030 /* Rev >= 10 only */
#define BCMA_CC_JCMD_START 0x80000000
#define BCMA_CC_JCMD_BUSY 0x80000000
@@ -181,6 +190,22 @@
#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_SROM_CONTROL 0x0190
+#define BCMA_CC_SROM_CONTROL_START 0x80000000
+#define BCMA_CC_SROM_CONTROL_BUSY 0x80000000
+#define BCMA_CC_SROM_CONTROL_OPCODE 0x60000000
+#define BCMA_CC_SROM_CONTROL_OP_READ 0x00000000
+#define BCMA_CC_SROM_CONTROL_OP_WRITE 0x20000000
+#define BCMA_CC_SROM_CONTROL_OP_WRDIS 0x40000000
+#define BCMA_CC_SROM_CONTROL_OP_WREN 0x60000000
+#define BCMA_CC_SROM_CONTROL_OTPSEL 0x00000010
+#define BCMA_CC_SROM_CONTROL_LOCK 0x00000008
+#define BCMA_CC_SROM_CONTROL_SIZE_MASK 0x00000006
+#define BCMA_CC_SROM_CONTROL_SIZE_1K 0x00000000
+#define BCMA_CC_SROM_CONTROL_SIZE_4K 0x00000002
+#define BCMA_CC_SROM_CONTROL_SIZE_16K 0x00000004
+#define BCMA_CC_SROM_CONTROL_SIZE_SHIFT 1
+#define BCMA_CC_SROM_CONTROL_PRESENT 0x00000001
/* 0x1E0 is defined as shared BCMA_CLKCTLST */
#define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
#define BCMA_CC_UART0_DATA 0x0300
@@ -203,6 +228,7 @@
#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 */
@@ -239,7 +265,6 @@
#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
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -53,11 +53,47 @@ struct pci_dev;
#define BCMA_CORE_PCI_SBTOPCI1_MASK 0xFC000000
#define BCMA_CORE_PCI_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */
#define BCMA_CORE_PCI_SBTOPCI2_MASK 0xC0000000
+#define BCMA_CORE_PCI_CONFIG_ADDR 0x0120 /* pcie config space access */
+#define BCMA_CORE_PCI_CONFIG_DATA 0x0124 /* pcie config space access */
+#define BCMA_CORE_PCI_MDIO_CONTROL 0x0128 /* controls the mdio access */
+#define BCMA_CORE_PCI_MDIOCTL_DIVISOR_MASK 0x7f /* clock to be used on MDIO */
+#define BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL 0x2
+#define BCMA_CORE_PCI_MDIOCTL_PREAM_EN 0x80 /* Enable preamble sequnce */
+#define BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE 0x100 /* Tranaction complete */
+#define BCMA_CORE_PCI_MDIO_DATA 0x012c /* Data to the mdio access */
+#define BCMA_CORE_PCI_MDIODATA_MASK 0x0000ffff /* data 2 bytes */
+#define BCMA_CORE_PCI_MDIODATA_TA 0x00020000 /* Turnaround */
+#define BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD 18 /* Regaddr shift (rev < 10) */
+#define BCMA_CORE_PCI_MDIODATA_REGADDR_MASK_OLD 0x003c0000 /* Regaddr Mask (rev < 10) */
+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD 22 /* Physmedia devaddr shift (rev < 10) */
+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK_OLD 0x0fc00000 /* Physmedia devaddr Mask (rev < 10) */
+#define BCMA_CORE_PCI_MDIODATA_REGADDR_SHF 18 /* Regaddr shift */
+#define BCMA_CORE_PCI_MDIODATA_REGADDR_MASK 0x007c0000 /* Regaddr Mask */
+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF 23 /* Physmedia devaddr shift */
+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK 0x0f800000 /* Physmedia devaddr Mask */
+#define BCMA_CORE_PCI_MDIODATA_WRITE 0x10000000 /* write Transaction */
+#define BCMA_CORE_PCI_MDIODATA_READ 0x20000000 /* Read Transaction */
+#define BCMA_CORE_PCI_MDIODATA_START 0x40000000 /* start of Transaction */
+#define BCMA_CORE_PCI_MDIODATA_DEV_ADDR 0x0 /* dev address for serdes */
+#define BCMA_CORE_PCI_MDIODATA_BLK_ADDR 0x1F /* blk address for serdes */
+#define BCMA_CORE_PCI_MDIODATA_DEV_PLL 0x1d /* SERDES PLL Dev */
+#define BCMA_CORE_PCI_MDIODATA_DEV_TX 0x1e /* SERDES TX Dev */
+#define BCMA_CORE_PCI_MDIODATA_DEV_RX 0x1f /* SERDES RX Dev */
+#define BCMA_CORE_PCI_PCIEIND_ADDR 0x0130 /* indirect access to the internal register */
+#define BCMA_CORE_PCI_PCIEIND_DATA 0x0134 /* Data to/from the internal regsiter */
+#define BCMA_CORE_PCI_CLKREQENCTRL 0x0138 /* >= rev 6, Clkreq rdma control */
#define BCMA_CORE_PCI_PCICFG0 0x0400 /* PCI config space 0 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG1 0x0500 /* PCI config space 1 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG3 0x0700 /* PCI config space 3 (rev >= 8) */
#define BCMA_CORE_PCI_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */
+#define BCMA_CORE_PCI_SPROM_PI_OFFSET 0 /* first word */
+#define BCMA_CORE_PCI_SPROM_PI_MASK 0xf000 /* bit 15:12 */
+#define BCMA_CORE_PCI_SPROM_PI_SHIFT 12 /* bit 15:12 */
+#define BCMA_CORE_PCI_SPROM_MISC_CONFIG 5 /* word 5 */
+#define BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST 0x8000 /* bit 15 */
+#define BCMA_CORE_PCI_SPROM_CLKREQ_OFFSET_REV5 20 /* word 20 for srom rev <= 5 */
+#define BCMA_CORE_PCI_SPROM_CLKREQ_ENB 0x0800 /* bit 11 */
/* SBtoPCIx */
#define BCMA_CORE_PCI_SBTOPCI_MEM 0x00000000
@@ -72,20 +108,118 @@ struct pci_dev;
#define BCMA_CORE_PCI_SBTOPCI_RC_READL 0x00000010 /* Memory read line */
#define BCMA_CORE_PCI_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */
+/* PCIE protocol PHY diagnostic registers */
+#define BCMA_CORE_PCI_PLP_MODEREG 0x200 /* Mode */
+#define BCMA_CORE_PCI_PLP_STATUSREG 0x204 /* Status */
+#define BCMA_CORE_PCI_PLP_POLARITYINV_STAT 0x10 /* Status reg PCIE_PLP_STATUSREG */
+#define BCMA_CORE_PCI_PLP_LTSSMCTRLREG 0x208 /* LTSSM control */
+#define BCMA_CORE_PCI_PLP_LTLINKNUMREG 0x20c /* Link Training Link number */
+#define BCMA_CORE_PCI_PLP_LTLANENUMREG 0x210 /* Link Training Lane number */
+#define BCMA_CORE_PCI_PLP_LTNFTSREG 0x214 /* Link Training N_FTS */
+#define BCMA_CORE_PCI_PLP_ATTNREG 0x218 /* Attention */
+#define BCMA_CORE_PCI_PLP_ATTNMASKREG 0x21C /* Attention Mask */
+#define BCMA_CORE_PCI_PLP_RXERRCTR 0x220 /* Rx Error */
+#define BCMA_CORE_PCI_PLP_RXFRMERRCTR 0x224 /* Rx Framing Error */
+#define BCMA_CORE_PCI_PLP_RXERRTHRESHREG 0x228 /* Rx Error threshold */
+#define BCMA_CORE_PCI_PLP_TESTCTRLREG 0x22C /* Test Control reg */
+#define BCMA_CORE_PCI_PLP_SERDESCTRLOVRDREG 0x230 /* SERDES Control Override */
+#define BCMA_CORE_PCI_PLP_TIMINGOVRDREG 0x234 /* Timing param override */
+#define BCMA_CORE_PCI_PLP_RXTXSMDIAGREG 0x238 /* RXTX State Machine Diag */
+#define BCMA_CORE_PCI_PLP_LTSSMDIAGREG 0x23C /* LTSSM State Machine Diag */
+
+/* PCIE protocol DLLP diagnostic registers */
+#define BCMA_CORE_PCI_DLLP_LCREG 0x100 /* Link Control */
+#define BCMA_CORE_PCI_DLLP_LSREG 0x104 /* Link Status */
+#define BCMA_CORE_PCI_DLLP_LAREG 0x108 /* Link Attention */
+#define BCMA_CORE_PCI_DLLP_LSREG_LINKUP (1 << 16)
+#define BCMA_CORE_PCI_DLLP_LAMASKREG 0x10C /* Link Attention Mask */
+#define BCMA_CORE_PCI_DLLP_NEXTTXSEQNUMREG 0x110 /* Next Tx Seq Num */
+#define BCMA_CORE_PCI_DLLP_ACKEDTXSEQNUMREG 0x114 /* Acked Tx Seq Num */
+#define BCMA_CORE_PCI_DLLP_PURGEDTXSEQNUMREG 0x118 /* Purged Tx Seq Num */
+#define BCMA_CORE_PCI_DLLP_RXSEQNUMREG 0x11C /* Rx Sequence Number */
+#define BCMA_CORE_PCI_DLLP_LRREG 0x120 /* Link Replay */
+#define BCMA_CORE_PCI_DLLP_LACKTOREG 0x124 /* Link Ack Timeout */
+#define BCMA_CORE_PCI_DLLP_PMTHRESHREG 0x128 /* Power Management Threshold */
+#define BCMA_CORE_PCI_ASPMTIMER_EXTEND 0x01000000 /* > rev7: enable extend ASPM timer */
+#define BCMA_CORE_PCI_DLLP_RTRYWPREG 0x12C /* Retry buffer write ptr */
+#define BCMA_CORE_PCI_DLLP_RTRYRPREG 0x130 /* Retry buffer Read ptr */
+#define BCMA_CORE_PCI_DLLP_RTRYPPREG 0x134 /* Retry buffer Purged ptr */
+#define BCMA_CORE_PCI_DLLP_RTRRWREG 0x138 /* Retry buffer Read/Write */
+#define BCMA_CORE_PCI_DLLP_ECTHRESHREG 0x13C /* Error Count Threshold */
+#define BCMA_CORE_PCI_DLLP_TLPERRCTRREG 0x140 /* TLP Error Counter */
+#define BCMA_CORE_PCI_DLLP_ERRCTRREG 0x144 /* Error Counter */
+#define BCMA_CORE_PCI_DLLP_NAKRXCTRREG 0x148 /* NAK Received Counter */
+#define BCMA_CORE_PCI_DLLP_TESTREG 0x14C /* Test */
+#define BCMA_CORE_PCI_DLLP_PKTBIST 0x150 /* Packet BIST */
+#define BCMA_CORE_PCI_DLLP_PCIE11 0x154 /* DLLP PCIE 1.1 reg */
+
+/* SERDES RX registers */
+#define BCMA_CORE_PCI_SERDES_RX_CTRL 1 /* Rx cntrl */
+#define BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE 0x80 /* rxpolarity_force */
+#define BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY 0x40 /* rxpolarity_value */
+#define BCMA_CORE_PCI_SERDES_RX_TIMER1 2 /* Rx Timer1 */
+#define BCMA_CORE_PCI_SERDES_RX_CDR 6 /* CDR */
+#define BCMA_CORE_PCI_SERDES_RX_CDRBW 7 /* CDR BW */
+
+/* SERDES PLL registers */
+#define BCMA_CORE_PCI_SERDES_PLL_CTRL 1 /* PLL control reg */
+#define BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN 0x4000 /* bit 14 is FREQDET on */
+
/* PCIcore specific boardflags */
#define BCMA_CORE_PCI_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */
+/* PCIE Config space accessing MACROS */
+#define BCMA_CORE_PCI_CFG_BUS_SHIFT 24 /* Bus shift */
+#define BCMA_CORE_PCI_CFG_SLOT_SHIFT 19 /* Slot/Device shift */
+#define BCMA_CORE_PCI_CFG_FUN_SHIFT 16 /* Function shift */
+#define BCMA_CORE_PCI_CFG_OFF_SHIFT 0 /* Register shift */
+
+#define BCMA_CORE_PCI_CFG_BUS_MASK 0xff /* Bus mask */
+#define BCMA_CORE_PCI_CFG_SLOT_MASK 0x1f /* Slot/Device mask */
+#define BCMA_CORE_PCI_CFG_FUN_MASK 7 /* Function mask */
+#define BCMA_CORE_PCI_CFG_OFF_MASK 0xfff /* Register mask */
+
+/* PCIE Root Capability Register bits (Host mode only) */
+#define BCMA_CORE_PCI_RC_CRS_VISIBILITY 0x0001
+
+struct bcma_drv_pci;
+
+#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+struct bcma_drv_pci_host {
+ struct bcma_drv_pci *pdev;
+
+ u32 host_cfg_addr;
+ spinlock_t cfgspace_lock;
+
+ struct pci_controller pci_controller;
+ struct pci_ops pci_ops;
+ struct resource mem_resource;
+ struct resource io_resource;
+};
+#endif
+
struct bcma_drv_pci {
struct bcma_device *core;
u8 setup_done:1;
+ u8 hostmode:1;
+
+#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+ struct bcma_drv_pci_host *host_controller;
+#endif
};
/* Register access */
+#define pcicore_read16(pc, offset) bcma_read16((pc)->core, offset)
#define pcicore_read32(pc, offset) bcma_read32((pc)->core, offset)
+#define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
-extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
+extern void __devinit 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);
+extern void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend);
+
+extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
+extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
#endif /* LINUX_BCMA_DRIVER_PCI_H_ */
--- a/include/linux/bcma/bcma_regs.h
+++ b/include/linux/bcma/bcma_regs.h
@@ -56,4 +56,31 @@
#define BCMA_PCI_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */
#define BCMA_PCI_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */
+/* SiliconBackplane Address Map.
+ * All regions may not exist on all chips.
+ */
+#define BCMA_SOC_SDRAM_BASE 0x00000000U /* Physical SDRAM */
+#define BCMA_SOC_PCI_MEM 0x08000000U /* Host Mode sb2pcitranslation0 (64 MB) */
+#define BCMA_SOC_PCI_MEM_SZ (64 * 1024 * 1024)
+#define BCMA_SOC_PCI_CFG 0x0c000000U /* Host Mode sb2pcitranslation1 (64 MB) */
+#define BCMA_SOC_SDRAM_SWAPPED 0x10000000U /* Byteswapped Physical SDRAM */
+#define BCMA_SOC_SDRAM_R2 0x80000000U /* Region 2 for sdram (512 MB) */
+
+
+#define BCMA_SOC_PCI_DMA 0x40000000U /* Client Mode sb2pcitranslation2 (1 GB) */
+#define BCMA_SOC_PCI_DMA2 0x80000000U /* Client Mode sb2pcitranslation2 (1 GB) */
+#define BCMA_SOC_PCI_DMA_SZ 0x40000000U /* Client Mode sb2pcitranslation2 size in bytes */
+#define BCMA_SOC_PCIE_DMA_L32 0x00000000U /* PCIE Client Mode sb2pcitranslation2
+ * (2 ZettaBytes), low 32 bits
+ */
+#define BCMA_SOC_PCIE_DMA_H32 0x80000000U /* PCIE Client Mode sb2pcitranslation2
+ * (2 ZettaBytes), high 32 bits
+ */
+
+#define BCMA_SOC_PCI1_MEM 0x40000000U /* Host Mode sb2pcitranslation0 (64 MB) */
+#define BCMA_SOC_PCI1_CFG 0x44000000U /* Host Mode sb2pcitranslation1 (64 MB) */
+#define BCMA_SOC_PCIE1_DMA_H32 0xc0000000U /* PCIE Client Mode sb2pcitranslation2
+ * (2 ZettaBytes), high 32 bits
+ */
+
#endif /* LINUX_BCMA_REGS_H_ */
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