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-rw-r--r--drivers/bcma/Kconfig4
-rw-r--r--drivers/bcma/bcma_private.h2
-rw-r--r--drivers/bcma/core.c2
-rw-r--r--drivers/bcma/driver_chipcommon_nflash.c28
-rw-r--r--drivers/bcma/driver_chipcommon_pmu.c9
-rw-r--r--drivers/bcma/driver_chipcommon_sflash.c123
-rw-r--r--drivers/bcma/driver_pci.c6
-rw-r--r--drivers/bcma/driver_pci_host.c8
-rw-r--r--drivers/bcma/host_pci.c12
-rw-r--r--drivers/bcma/host_soc.c2
-rw-r--r--drivers/bcma/main.c27
-rw-r--r--drivers/bcma/sprom.c2
12 files changed, 200 insertions, 25 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index 06b3207a..a533af2 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -48,12 +48,12 @@ config BCMA_DRIVER_MIPS
config BCMA_SFLASH
bool
- depends on BCMA_DRIVER_MIPS && BROKEN
+ depends on BCMA_DRIVER_MIPS
default y
config BCMA_NFLASH
bool
- depends on BCMA_DRIVER_MIPS && BROKEN
+ depends on BCMA_DRIVER_MIPS
default y
config BCMA_DRIVER_GMAC_CMN
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index 3cf9cc9..169fc58 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -54,6 +54,7 @@ u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc);
#ifdef CONFIG_BCMA_SFLASH
/* driver_chipcommon_sflash.c */
int bcma_sflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_sflash_dev;
#else
static inline int bcma_sflash_init(struct bcma_drv_cc *cc)
{
@@ -65,6 +66,7 @@ static inline int bcma_sflash_init(struct bcma_drv_cc *cc)
#ifdef CONFIG_BCMA_NFLASH
/* driver_chipcommon_nflash.c */
int bcma_nflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_nflash_dev;
#else
static inline int bcma_nflash_init(struct bcma_drv_cc *cc)
{
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 63c8b47..03bbe10 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -65,7 +65,7 @@ void bcma_core_set_clockmode(struct bcma_device *core,
switch (clkmode) {
case BCMA_CLKMODE_FAST:
bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
- udelay(64);
+ usleep_range(64, 300);
for (i = 0; i < 1500; i++) {
if (bcma_read32(core, BCMA_CLKCTLST) &
BCMA_CLKCTLST_HAVEHT) {
diff --git a/drivers/bcma/driver_chipcommon_nflash.c b/drivers/bcma/driver_chipcommon_nflash.c
index 574d624..9042781 100644
--- a/drivers/bcma/driver_chipcommon_nflash.c
+++ b/drivers/bcma/driver_chipcommon_nflash.c
@@ -5,15 +5,37 @@
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
-#include <linux/bcma/bcma_driver_chipcommon.h>
-#include <linux/delay.h>
#include "bcma_private.h"
+struct platform_device bcma_nflash_dev = {
+ .name = "bcma_nflash",
+ .num_resources = 0,
+};
+
/* Initialize NAND flash access */
int bcma_nflash_init(struct bcma_drv_cc *cc)
{
- bcma_err(cc->core->bus, "NAND flash support is broken\n");
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
+ cc->core->id.rev != 0x38) {
+ bcma_err(bus, "NAND flash on unsupported board!\n");
+ return -ENOTSUPP;
+ }
+
+ if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) {
+ bcma_err(bus, "NAND flash not present according to ChipCommon\n");
+ return -ENODEV;
+ }
+
+ cc->nflash.present = true;
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_nflash_dev.dev.platform_data = &cc->nflash;
+
return 0;
}
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index c9a4f46..201faf1 100644
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -76,7 +76,10 @@ static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
if (max_msk)
bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
- /* Add some delay; allow resources to come up and settle. */
+ /*
+ * Add some delay; allow resources to come up and settle.
+ * Delay is required for SoC (early init).
+ */
mdelay(2);
}
@@ -101,7 +104,7 @@ void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
}
-void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
+static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
@@ -257,7 +260,7 @@ static u32 bcma_pmu_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
}
/* query bus clock frequency for PMU-enabled chipcommon */
-u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
+static u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
diff --git a/drivers/bcma/driver_chipcommon_sflash.c b/drivers/bcma/driver_chipcommon_sflash.c
index 6e157a5..2c4eec2 100644
--- a/drivers/bcma/driver_chipcommon_sflash.c
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -5,15 +5,132 @@
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
-#include <linux/bcma/bcma_driver_chipcommon.h>
-#include <linux/delay.h>
#include "bcma_private.h"
+static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+ .start = BCMA_SFLASH,
+ .end = 0,
+ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
+};
+
+struct platform_device bcma_sflash_dev = {
+ .name = "bcma_sflash",
+ .resource = &bcma_sflash_resource,
+ .num_resources = 1,
+};
+
+struct bcma_sflash_tbl_e {
+ char *name;
+ u32 id;
+ u32 blocksize;
+ u16 numblocks;
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ { "", 0x14, 0x10000, 32, },
+ { 0 },
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ { 0 },
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+ { 0 },
+};
+
+static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
+{
+ int i;
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL,
+ BCMA_CC_FLASHCTL_START | opcode);
+ for (i = 0; i < 1000; i++) {
+ if (!(bcma_cc_read32(cc, BCMA_CC_FLASHCTL) &
+ BCMA_CC_FLASHCTL_BUSY))
+ return;
+ cpu_relax();
+ }
+ bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+}
+
/* Initialize serial flash access */
int bcma_sflash_init(struct bcma_drv_cc *cc)
{
- bcma_err(cc->core->bus, "Serial flash support is broken\n");
+ struct bcma_bus *bus = cc->core->bus;
+ struct bcma_sflash *sflash = &cc->sflash;
+ struct bcma_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+ case BCMA_CC_FLASHT_STSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ switch (id) {
+ case 0xbf:
+ for (e = bcma_sflash_sst_tbl; e->name; e++) {
+ if (e->id == id2)
+ break;
+ }
+ break;
+ default:
+ for (e = bcma_sflash_st_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2);
+ return -ENOTSUPP;
+ }
+
+ break;
+ case BCMA_CC_FLASHT_ATSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c;
+
+ for (e = bcma_sflash_at_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported Atmel serial flash (id: 0x%X)\n", id);
+ return -ENOTSUPP;
+ }
+
+ break;
+ default:
+ bcma_err(bus, "Unsupported flash type\n");
+ return -ENOTSUPP;
+ }
+
+ sflash->window = BCMA_SFLASH;
+ sflash->blocksize = e->blocksize;
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
+
+ bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ e->name, sflash->size / 1024, sflash->blocksize,
+ sflash->numblocks);
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_sflash_dev.resource[0].end = bcma_sflash_dev.resource[0].start +
+ sflash->size;
+ bcma_sflash_dev.dev.platform_data = sflash;
+
return 0;
}
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index c32ebd5..c39ee6d 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -51,7 +51,7 @@ static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy)
v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
break;
- msleep(1);
+ usleep_range(1000, 2000);
}
}
@@ -92,7 +92,7 @@ static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address)
ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA);
break;
}
- msleep(1);
+ usleep_range(1000, 2000);
}
pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
return ret;
@@ -132,7 +132,7 @@ static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device,
v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
break;
- msleep(1);
+ usleep_range(1000, 2000);
}
pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
}
diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c
index cbae2c2..9baf886 100644
--- a/drivers/bcma/driver_pci_host.c
+++ b/drivers/bcma/driver_pci_host.c
@@ -425,9 +425,9 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
pc_host->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;
/* Reset RC */
- udelay(3000);
+ usleep_range(3000, 5000);
pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE);
- udelay(1000);
+ usleep_range(1000, 2000);
pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST |
BCMA_CORE_PCI_CTL_RST_OE);
@@ -481,7 +481,7 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
* before issuing configuration requests to PCI Express
* devices.
*/
- udelay(100000);
+ msleep(100);
bcma_core_pci_enable_crs(pc);
@@ -501,7 +501,7 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
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);
+ usleep_range(10000, 15000);
register_pci_controller(&pc_host->pci_controller);
return;
}
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index a6e5672..b6b4b5e 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -77,8 +77,8 @@ static void bcma_host_pci_write32(struct bcma_device *core, u16 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)
+static 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)
@@ -100,8 +100,9 @@ void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
}
}
-void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer,
- size_t count, u16 offset, u8 reg_width)
+static 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)
@@ -139,7 +140,7 @@ static void bcma_host_pci_awrite32(struct bcma_device *core, u16 offset,
iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
}
-const struct bcma_host_ops bcma_host_pci_ops = {
+static const struct bcma_host_ops bcma_host_pci_ops = {
.read8 = bcma_host_pci_read8,
.read16 = bcma_host_pci_read16,
.read32 = bcma_host_pci_read32,
@@ -272,6 +273,7 @@ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
{ 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, 0x4358) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ 0, },
diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c
index 3c381fb..3475e60 100644
--- a/drivers/bcma/host_soc.c
+++ b/drivers/bcma/host_soc.c
@@ -143,7 +143,7 @@ static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
writel(value, core->io_wrap + offset);
}
-const struct bcma_host_ops bcma_host_soc_ops = {
+static const struct bcma_host_ops bcma_host_soc_ops = {
.read8 = bcma_host_soc_read8,
.read16 = bcma_host_soc_read16,
.read32 = bcma_host_soc_read32,
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 758af9c..432aeee 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -7,6 +7,7 @@
#include "bcma_private.h"
#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
#include <linux/slab.h>
@@ -136,6 +137,22 @@ static int bcma_register_cores(struct bcma_bus *bus)
dev_id++;
}
+#ifdef CONFIG_BCMA_SFLASH
+ if (bus->drv_cc.sflash.present) {
+ err = platform_device_register(&bcma_sflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering serial flash\n");
+ }
+#endif
+
+#ifdef CONFIG_BCMA_NFLASH
+ if (bus->drv_cc.nflash.present) {
+ err = platform_device_register(&bcma_nflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering NAND flash\n");
+ }
+#endif
+
return 0;
}
@@ -210,7 +227,17 @@ int __devinit bcma_bus_register(struct bcma_bus *bus)
void bcma_bus_unregister(struct bcma_bus *bus)
{
+ struct bcma_device *cores[3];
+
+ cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
+ cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
+
bcma_unregister_cores(bus);
+
+ kfree(cores[2]);
+ kfree(cores[1]);
+ kfree(cores[0]);
}
int __init bcma_bus_early_register(struct bcma_bus *bus,
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index 9ea4627..0d546b6 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -507,7 +507,9 @@ static bool bcma_sprom_onchip_available(struct bcma_bus *bus)
/* for these chips OTP is always available */
present = true;
break;
+ case BCMA_CHIP_ID_BCM43227:
case BCMA_CHIP_ID_BCM43228:
+ case BCMA_CHIP_ID_BCM43428:
present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT;
break;
default:
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