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-rw-r--r--drivers/ata/pata_octeon_cf.c423
-rw-r--r--drivers/bcma/Kconfig9
-rw-r--r--drivers/bcma/Makefile1
-rw-r--r--drivers/bcma/bcma_private.h10
-rw-r--r--drivers/bcma/driver_chipcommon.c81
-rw-r--r--drivers/bcma/driver_gpio.c98
-rw-r--r--drivers/bcma/main.c5
-rw-r--r--drivers/edac/Kconfig33
-rw-r--r--drivers/edac/Makefile5
-rw-r--r--drivers/edac/octeon_edac-l2c.c208
-rw-r--r--drivers/edac/octeon_edac-lmc.c186
-rw-r--r--drivers/edac/octeon_edac-pc.c143
-rw-r--r--drivers/edac/octeon_edac-pci.c111
-rw-r--r--drivers/ssb/Kconfig9
-rw-r--r--drivers/ssb/Makefile1
-rw-r--r--drivers/ssb/driver_chipcommon.c78
-rw-r--r--drivers/ssb/driver_extif.c43
-rw-r--r--drivers/ssb/driver_gpio.c176
-rw-r--r--drivers/ssb/main.c7
-rw-r--r--drivers/ssb/ssb_private.h17
-rw-r--r--drivers/video/console/newport_con.c11
21 files changed, 1503 insertions, 152 deletions
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 1d61d5d278fa..4e1194b4c271 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -5,19 +5,22 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2005 - 2009 Cavium Networks
+ * Copyright (C) 2005 - 2012 Cavium Inc.
* Copyright (C) 2008 Wind River Systems
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/libata.h>
-#include <linux/irq.h>
+#include <linux/hrtimer.h>
#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/platform_device.h>
-#include <linux/workqueue.h>
#include <scsi/scsi_host.h>
+#include <asm/byteorder.h>
#include <asm/octeon/octeon.h>
/*
@@ -34,20 +37,36 @@
*/
#define DRV_NAME "pata_octeon_cf"
-#define DRV_VERSION "2.1"
+#define DRV_VERSION "2.2"
+
+/* Poll interval in nS. */
+#define OCTEON_CF_BUSY_POLL_INTERVAL 500000
+#define DMA_CFG 0
+#define DMA_TIM 0x20
+#define DMA_INT 0x38
+#define DMA_INT_EN 0x50
struct octeon_cf_port {
- struct workqueue_struct *wq;
- struct delayed_work delayed_finish;
+ struct hrtimer delayed_finish;
struct ata_port *ap;
int dma_finished;
+ void *c0;
+ unsigned int cs0;
+ unsigned int cs1;
+ bool is_true_ide;
+ u64 dma_base;
};
static struct scsi_host_template octeon_cf_sht = {
ATA_PIO_SHT(DRV_NAME),
};
+static int enable_dma;
+module_param(enable_dma, int, 0444);
+MODULE_PARM_DESC(enable_dma,
+ "Enable use of DMA on interfaces that support it (0=no dma [default], 1=use dma)");
+
/**
* Convert nanosecond based time to setting used in the
* boot bus timing register, based on timing multiple
@@ -66,12 +85,29 @@ static unsigned int ns_to_tim_reg(unsigned int tim_mult, unsigned int nsecs)
return val;
}
-static void octeon_cf_set_boot_reg_cfg(int cs)
+static void octeon_cf_set_boot_reg_cfg(int cs, unsigned int multiplier)
{
union cvmx_mio_boot_reg_cfgx reg_cfg;
+ unsigned int tim_mult;
+
+ switch (multiplier) {
+ case 8:
+ tim_mult = 3;
+ break;
+ case 4:
+ tim_mult = 0;
+ break;
+ case 2:
+ tim_mult = 2;
+ break;
+ default:
+ tim_mult = 1;
+ break;
+ }
+
reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs));
reg_cfg.s.dmack = 0; /* Don't assert DMACK on access */
- reg_cfg.s.tim_mult = 2; /* Timing mutiplier 2x */
+ reg_cfg.s.tim_mult = tim_mult; /* Timing mutiplier */
reg_cfg.s.rd_dly = 0; /* Sample on falling edge of BOOT_OE */
reg_cfg.s.sam = 0; /* Don't combine write and output enable */
reg_cfg.s.we_ext = 0; /* No write enable extension */
@@ -92,12 +128,12 @@ static void octeon_cf_set_boot_reg_cfg(int cs)
*/
static void octeon_cf_set_piomode(struct ata_port *ap, struct ata_device *dev)
{
- struct octeon_cf_data *ocd = ap->dev->platform_data;
+ struct octeon_cf_port *cf_port = ap->private_data;
union cvmx_mio_boot_reg_timx reg_tim;
- int cs = ocd->base_region;
int T;
struct ata_timing timing;
+ unsigned int div;
int use_iordy;
int trh;
int pause;
@@ -106,7 +142,15 @@ static void octeon_cf_set_piomode(struct ata_port *ap, struct ata_device *dev)
int t2;
int t2i;
- T = (int)(2000000000000LL / octeon_get_clock_rate());
+ /*
+ * A divisor value of four will overflow the timing fields at
+ * clock rates greater than 800MHz
+ */
+ if (octeon_get_io_clock_rate() <= 800000000)
+ div = 4;
+ else
+ div = 8;
+ T = (int)((1000000000000LL * div) / octeon_get_io_clock_rate());
if (ata_timing_compute(dev, dev->pio_mode, &timing, T, T))
BUG();
@@ -121,23 +165,26 @@ static void octeon_cf_set_piomode(struct ata_port *ap, struct ata_device *dev)
if (t2i)
t2i--;
- trh = ns_to_tim_reg(2, 20);
+ trh = ns_to_tim_reg(div, 20);
if (trh)
trh--;
- pause = timing.cycle - timing.active - timing.setup - trh;
+ pause = (int)timing.cycle - (int)timing.active -
+ (int)timing.setup - trh;
+ if (pause < 0)
+ pause = 0;
if (pause)
pause--;
- octeon_cf_set_boot_reg_cfg(cs);
- if (ocd->dma_engine >= 0)
+ octeon_cf_set_boot_reg_cfg(cf_port->cs0, div);
+ if (cf_port->is_true_ide)
/* True IDE mode, program both chip selects. */
- octeon_cf_set_boot_reg_cfg(cs + 1);
+ octeon_cf_set_boot_reg_cfg(cf_port->cs1, div);
use_iordy = ata_pio_need_iordy(dev);
- reg_tim.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_TIMX(cs));
+ reg_tim.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_TIMX(cf_port->cs0));
/* Disable page mode */
reg_tim.s.pagem = 0;
/* Enable dynamic timing */
@@ -161,20 +208,22 @@ static void octeon_cf_set_piomode(struct ata_port *ap, struct ata_device *dev)
/* How long read enable is asserted */
reg_tim.s.oe = t2;
/* Time after CE that read/write starts */
- reg_tim.s.ce = ns_to_tim_reg(2, 5);
+ reg_tim.s.ce = ns_to_tim_reg(div, 5);
/* Time before CE that address is valid */
reg_tim.s.adr = 0;
/* Program the bootbus region timing for the data port chip select. */
- cvmx_write_csr(CVMX_MIO_BOOT_REG_TIMX(cs), reg_tim.u64);
- if (ocd->dma_engine >= 0)
+ cvmx_write_csr(CVMX_MIO_BOOT_REG_TIMX(cf_port->cs0), reg_tim.u64);
+ if (cf_port->is_true_ide)
/* True IDE mode, program both chip selects. */
- cvmx_write_csr(CVMX_MIO_BOOT_REG_TIMX(cs + 1), reg_tim.u64);
+ cvmx_write_csr(CVMX_MIO_BOOT_REG_TIMX(cf_port->cs1),
+ reg_tim.u64);
}
static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
{
- struct octeon_cf_data *ocd = dev->link->ap->dev->platform_data;
+ struct octeon_cf_port *cf_port = ap->private_data;
+ union cvmx_mio_boot_pin_defs pin_defs;
union cvmx_mio_boot_dma_timx dma_tim;
unsigned int oe_a;
unsigned int oe_n;
@@ -183,6 +232,7 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
unsigned int pause;
unsigned int T0, Tkr, Td;
unsigned int tim_mult;
+ int c;
const struct ata_timing *timing;
@@ -199,13 +249,19 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
/* not spec'ed, value in eclocks, not affected by tim_mult */
dma_arq = 8;
pause = 25 - dma_arq * 1000 /
- (octeon_get_clock_rate() / 1000000); /* Tz */
+ (octeon_get_io_clock_rate() / 1000000); /* Tz */
oe_a = Td;
/* Tkr from cf spec, lengthened to meet T0 */
oe_n = max(T0 - oe_a, Tkr);
- dma_tim.s.dmack_pi = 1;
+ pin_defs.u64 = cvmx_read_csr(CVMX_MIO_BOOT_PIN_DEFS);
+
+ /* DMA channel number. */
+ c = (cf_port->dma_base & 8) >> 3;
+
+ /* Invert the polarity if the default is 0*/
+ dma_tim.s.dmack_pi = (pin_defs.u64 & (1ull << (11 + c))) ? 0 : 1;
dma_tim.s.oe_n = ns_to_tim_reg(tim_mult, oe_n);
dma_tim.s.oe_a = ns_to_tim_reg(tim_mult, oe_a);
@@ -228,14 +284,11 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
pr_debug("ns to ticks (mult %d) of %d is: %d\n", tim_mult, 60,
ns_to_tim_reg(tim_mult, 60));
- pr_debug("oe_n: %d, oe_a: %d, dmack_s: %d, dmack_h: "
- "%d, dmarq: %d, pause: %d\n",
+ pr_debug("oe_n: %d, oe_a: %d, dmack_s: %d, dmack_h: %d, dmarq: %d, pause: %d\n",
dma_tim.s.oe_n, dma_tim.s.oe_a, dma_tim.s.dmack_s,
dma_tim.s.dmack_h, dma_tim.s.dmarq, dma_tim.s.pause);
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_TIMX(ocd->dma_engine),
- dma_tim.u64);
-
+ cvmx_write_csr(cf_port->dma_base + DMA_TIM, dma_tim.u64);
}
/**
@@ -489,15 +542,10 @@ static void octeon_cf_exec_command16(struct ata_port *ap,
ata_wait_idle(ap);
}
-static void octeon_cf_irq_on(struct ata_port *ap)
+static void octeon_cf_ata_port_noaction(struct ata_port *ap)
{
}
-static void octeon_cf_irq_clear(struct ata_port *ap)
-{
- return;
-}
-
static void octeon_cf_dma_setup(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
@@ -519,7 +567,7 @@ static void octeon_cf_dma_setup(struct ata_queued_cmd *qc)
*/
static void octeon_cf_dma_start(struct ata_queued_cmd *qc)
{
- struct octeon_cf_data *ocd = qc->ap->dev->platform_data;
+ struct octeon_cf_port *cf_port = qc->ap->private_data;
union cvmx_mio_boot_dma_cfgx mio_boot_dma_cfg;
union cvmx_mio_boot_dma_intx mio_boot_dma_int;
struct scatterlist *sg;
@@ -535,15 +583,16 @@ static void octeon_cf_dma_start(struct ata_queued_cmd *qc)
*/
mio_boot_dma_int.u64 = 0;
mio_boot_dma_int.s.done = 1;
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine),
- mio_boot_dma_int.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_INT, mio_boot_dma_int.u64);
/* Enable the interrupt. */
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_INT_ENX(ocd->dma_engine),
- mio_boot_dma_int.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_INT_EN, mio_boot_dma_int.u64);
/* Set the direction of the DMA */
mio_boot_dma_cfg.u64 = 0;
+#ifdef __LITTLE_ENDIAN
+ mio_boot_dma_cfg.s.endian = 1;
+#endif
mio_boot_dma_cfg.s.en = 1;
mio_boot_dma_cfg.s.rw = ((qc->tf.flags & ATA_TFLAG_WRITE) != 0);
@@ -569,8 +618,7 @@ static void octeon_cf_dma_start(struct ata_queued_cmd *qc)
(mio_boot_dma_cfg.s.rw) ? "write" : "read", sg->length,
(void *)(unsigned long)mio_boot_dma_cfg.s.adr);
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_CFGX(ocd->dma_engine),
- mio_boot_dma_cfg.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_CFG, mio_boot_dma_cfg.u64);
}
/**
@@ -583,10 +631,9 @@ static unsigned int octeon_cf_dma_finished(struct ata_port *ap,
struct ata_queued_cmd *qc)
{
struct ata_eh_info *ehi = &ap->link.eh_info;
- struct octeon_cf_data *ocd = ap->dev->platform_data;
+ struct octeon_cf_port *cf_port = ap->private_data;
union cvmx_mio_boot_dma_cfgx dma_cfg;
union cvmx_mio_boot_dma_intx dma_int;
- struct octeon_cf_port *cf_port;
u8 status;
VPRINTK("ata%u: protocol %d task_state %d\n",
@@ -596,9 +643,7 @@ static unsigned int octeon_cf_dma_finished(struct ata_port *ap,
if (ap->hsm_task_state != HSM_ST_LAST)
return 0;
- cf_port = ap->private_data;
-
- dma_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_DMA_CFGX(ocd->dma_engine));
+ dma_cfg.u64 = cvmx_read_csr(cf_port->dma_base + DMA_CFG);
if (dma_cfg.s.size != 0xfffff) {
/* Error, the transfer was not complete. */
qc->err_mask |= AC_ERR_HOST_BUS;
@@ -608,15 +653,15 @@ static unsigned int octeon_cf_dma_finished(struct ata_port *ap,
/* Stop and clear the dma engine. */
dma_cfg.u64 = 0;
dma_cfg.s.size = -1;
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_CFGX(ocd->dma_engine), dma_cfg.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_CFG, dma_cfg.u64);
/* Disable the interrupt. */
dma_int.u64 = 0;
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_INT_ENX(ocd->dma_engine), dma_int.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_INT_EN, dma_int.u64);
/* Clear the DMA complete status */
dma_int.s.done = 1;
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine), dma_int.u64);
+ cvmx_write_csr(cf_port->dma_base + DMA_INT, dma_int.u64);
status = ap->ops->sff_check_status(ap);
@@ -649,69 +694,68 @@ static irqreturn_t octeon_cf_interrupt(int irq, void *dev_instance)
struct ata_queued_cmd *qc;
union cvmx_mio_boot_dma_intx dma_int;
union cvmx_mio_boot_dma_cfgx dma_cfg;
- struct octeon_cf_data *ocd;
ap = host->ports[i];
- ocd = ap->dev->platform_data;
cf_port = ap->private_data;
- dma_int.u64 =
- cvmx_read_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine));
- dma_cfg.u64 =
- cvmx_read_csr(CVMX_MIO_BOOT_DMA_CFGX(ocd->dma_engine));
+
+ dma_int.u64 = cvmx_read_csr(cf_port->dma_base + DMA_INT);
+ dma_cfg.u64 = cvmx_read_csr(cf_port->dma_base + DMA_CFG);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
- if (qc && !(qc->tf.flags & ATA_TFLAG_POLLING)) {
- if (dma_int.s.done && !dma_cfg.s.en) {
- if (!sg_is_last(qc->cursg)) {
- qc->cursg = sg_next(qc->cursg);
- handled = 1;
- octeon_cf_dma_start(qc);
- continue;
- } else {
- cf_port->dma_finished = 1;
- }
- }
- if (!cf_port->dma_finished)
- continue;
- status = ioread8(ap->ioaddr.altstatus_addr);
- if (status & (ATA_BUSY | ATA_DRQ)) {
- /*
- * We are busy, try to handle it
- * later. This is the DMA finished
- * interrupt, and it could take a
- * little while for the card to be
- * ready for more commands.
- */
- /* Clear DMA irq. */
- dma_int.u64 = 0;
- dma_int.s.done = 1;
- cvmx_write_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine),
- dma_int.u64);
-
- queue_delayed_work(cf_port->wq,
- &cf_port->delayed_finish, 1);
+ if (!qc || (qc->tf.flags & ATA_TFLAG_POLLING))
+ continue;
+
+ if (dma_int.s.done && !dma_cfg.s.en) {
+ if (!sg_is_last(qc->cursg)) {
+ qc->cursg = sg_next(qc->cursg);
handled = 1;
+ octeon_cf_dma_start(qc);
+ continue;
} else {
- handled |= octeon_cf_dma_finished(ap, qc);
+ cf_port->dma_finished = 1;
}
}
+ if (!cf_port->dma_finished)
+ continue;
+ status = ioread8(ap->ioaddr.altstatus_addr);
+ if (status & (ATA_BUSY | ATA_DRQ)) {
+ /*
+ * We are busy, try to handle it later. This
+ * is the DMA finished interrupt, and it could
+ * take a little while for the card to be
+ * ready for more commands.
+ */
+ /* Clear DMA irq. */
+ dma_int.u64 = 0;
+ dma_int.s.done = 1;
+ cvmx_write_csr(cf_port->dma_base + DMA_INT,
+ dma_int.u64);
+ hrtimer_start_range_ns(&cf_port->delayed_finish,
+ ns_to_ktime(OCTEON_CF_BUSY_POLL_INTERVAL),
+ OCTEON_CF_BUSY_POLL_INTERVAL / 5,
+ HRTIMER_MODE_REL);
+ handled = 1;
+ } else {
+ handled |= octeon_cf_dma_finished(ap, qc);
+ }
}
spin_unlock_irqrestore(&host->lock, flags);
DPRINTK("EXIT\n");
return IRQ_RETVAL(handled);
}
-static void octeon_cf_delayed_finish(struct work_struct *work)
+static enum hrtimer_restart octeon_cf_delayed_finish(struct hrtimer *hrt)
{
- struct octeon_cf_port *cf_port = container_of(work,
+ struct octeon_cf_port *cf_port = container_of(hrt,
struct octeon_cf_port,
- delayed_finish.work);
+ delayed_finish);
struct ata_port *ap = cf_port->ap;
struct ata_host *host = ap->host;
struct ata_queued_cmd *qc;
unsigned long flags;
u8 status;
+ enum hrtimer_restart rv = HRTIMER_NORESTART;
spin_lock_irqsave(&host->lock, flags);
@@ -726,15 +770,17 @@ static void octeon_cf_delayed_finish(struct work_struct *work)
status = ioread8(ap->ioaddr.altstatus_addr);
if (status & (ATA_BUSY | ATA_DRQ)) {
/* Still busy, try again. */
- queue_delayed_work(cf_port->wq,
- &cf_port->delayed_finish, 1);
+ hrtimer_forward_now(hrt,
+ ns_to_ktime(OCTEON_CF_BUSY_POLL_INTERVAL));
+ rv = HRTIMER_RESTART;
goto out;
}
qc = ata_qc_from_tag(ap, ap->link.active_tag);
- if (qc && !(qc->tf.flags & ATA_TFLAG_POLLING))
+ if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
octeon_cf_dma_finished(ap, qc);
out:
spin_unlock_irqrestore(&host->lock, flags);
+ return rv;
}
static void octeon_cf_dev_config(struct ata_device *dev)
@@ -786,8 +832,8 @@ static struct ata_port_operations octeon_cf_ops = {
.qc_prep = ata_noop_qc_prep,
.qc_issue = octeon_cf_qc_issue,
.sff_dev_select = octeon_cf_dev_select,
- .sff_irq_on = octeon_cf_irq_on,
- .sff_irq_clear = octeon_cf_irq_clear,
+ .sff_irq_on = octeon_cf_ata_port_noaction,
+ .sff_irq_clear = octeon_cf_ata_port_noaction,
.cable_detect = ata_cable_40wire,
.set_piomode = octeon_cf_set_piomode,
.set_dmamode = octeon_cf_set_dmamode,
@@ -798,46 +844,113 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev)
{
struct resource *res_cs0, *res_cs1;
+ bool is_16bit;
+ const __be32 *cs_num;
+ struct property *reg_prop;
+ int n_addr, n_size, reg_len;
+ struct device_node *node;
+ const void *prop;
void __iomem *cs0;
void __iomem *cs1 = NULL;
struct ata_host *host;
struct ata_port *ap;
- struct octeon_cf_data *ocd;
int irq = 0;
irq_handler_t irq_handler = NULL;
void __iomem *base;
struct octeon_cf_port *cf_port;
- char version[32];
+ int rv = -ENOMEM;
- res_cs0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res_cs0)
+ node = pdev->dev.of_node;
+ if (node == NULL)
return -EINVAL;
- ocd = pdev->dev.platform_data;
+ cf_port = kzalloc(sizeof(*cf_port), GFP_KERNEL);
+ if (!cf_port)
+ return -ENOMEM;
- cs0 = devm_ioremap_nocache(&pdev->dev, res_cs0->start,
- resource_size(res_cs0));
+ cf_port->is_true_ide = (of_find_property(node, "cavium,true-ide", NULL) != NULL);
- if (!cs0)
- return -ENOMEM;
+ prop = of_get_property(node, "cavium,bus-width", NULL);
+ if (prop)
+ is_16bit = (be32_to_cpup(prop) == 16);
+ else
+ is_16bit = false;
- /* Determine from availability of DMA if True IDE mode or not */
- if (ocd->dma_engine >= 0) {
- res_cs1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res_cs1)
- return -EINVAL;
+ n_addr = of_n_addr_cells(node);
+ n_size = of_n_size_cells(node);
+ reg_prop = of_find_property(node, "reg", &reg_len);
+ if (!reg_prop || reg_len < sizeof(__be32)) {
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
+ cs_num = reg_prop->value;
+ cf_port->cs0 = be32_to_cpup(cs_num);
+
+ if (cf_port->is_true_ide) {
+ struct device_node *dma_node;
+ dma_node = of_parse_phandle(node,
+ "cavium,dma-engine-handle", 0);
+ if (dma_node) {
+ struct platform_device *dma_dev;
+ dma_dev = of_find_device_by_node(dma_node);
+ if (dma_dev) {
+ struct resource *res_dma;
+ int i;
+ res_dma = platform_get_resource(dma_dev, IORESOURCE_MEM, 0);
+ if (!res_dma) {
+ of_node_put(dma_node);
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
+ cf_port->dma_base = (u64)devm_ioremap_nocache(&pdev->dev, res_dma->start,
+ resource_size(res_dma));
+
+ if (!cf_port->dma_base) {
+ of_node_put(dma_node);
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
+
+ irq_handler = octeon_cf_interrupt;
+ i = platform_get_irq(dma_dev, 0);
+ if (i > 0)
+ irq = i;
+ }
+ of_node_put(dma_node);
+ }
+ res_cs1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res_cs1) {
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
cs1 = devm_ioremap_nocache(&pdev->dev, res_cs1->start,
- resource_size(res_cs1));
+ res_cs1->end - res_cs1->start + 1);
if (!cs1)
- return -ENOMEM;
+ goto free_cf_port;
+
+ if (reg_len < (n_addr + n_size + 1) * sizeof(__be32)) {
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
+ cs_num += n_addr + n_size;
+ cf_port->cs1 = be32_to_cpup(cs_num);
}
- cf_port = kzalloc(sizeof(*cf_port), GFP_KERNEL);
- if (!cf_port)
- return -ENOMEM;
+ res_cs0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (!res_cs0) {
+ rv = -EINVAL;
+ goto free_cf_port;
+ }
+
+ cs0 = devm_ioremap_nocache(&pdev->dev, res_cs0->start,
+ resource_size(res_cs0));
+
+ if (!cs0)
+ goto free_cf_port;
/* allocate host */
host = ata_host_alloc(&pdev->dev, 1);
@@ -846,21 +959,22 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev)
ap = host->ports[0];
ap->private_data = cf_port;
+ pdev->dev.platform_data = cf_port;
cf_port->ap = ap;
ap->ops = &octeon_cf_ops;
ap->pio_mask = ATA_PIO6;
ap->flags |= ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING;
- base = cs0 + ocd->base_region_bias;
- if (!ocd->is16bit) {
+ if (!is_16bit) {
+ base = cs0 + 0x800;
ap->ioaddr.cmd_addr = base;
ata_sff_std_ports(&ap->ioaddr);
ap->ioaddr.altstatus_addr = base + 0xe;
ap->ioaddr.ctl_addr = base + 0xe;
octeon_cf_ops.sff_data_xfer = octeon_cf_data_xfer8;
- } else if (cs1) {
- /* Presence of cs1 indicates True IDE mode. */
+ } else if (cf_port->is_true_ide) {
+ base = cs0;
ap->ioaddr.cmd_addr = base + (ATA_REG_CMD << 1) + 1;
ap->ioaddr.data_addr = base + (ATA_REG_DATA << 1);
ap->ioaddr.error_addr = base + (ATA_REG_ERR << 1) + 1;
@@ -876,19 +990,15 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev)
ap->ioaddr.ctl_addr = cs1 + (6 << 1) + 1;
octeon_cf_ops.sff_data_xfer = octeon_cf_data_xfer16;
- ap->mwdma_mask = ATA_MWDMA4;
- irq = platform_get_irq(pdev, 0);
- irq_handler = octeon_cf_interrupt;
-
- /* True IDE mode needs delayed work to poll for not-busy. */
- cf_port->wq = create_singlethread_workqueue(DRV_NAME);
- if (!cf_port->wq)
- goto free_cf_port;
- INIT_DELAYED_WORK(&cf_port->delayed_finish,
- octeon_cf_delayed_finish);
+ ap->mwdma_mask = enable_dma ? ATA_MWDMA4 : 0;
+ /* True IDE mode needs a timer to poll for not-busy. */
+ hrtimer_init(&cf_port->delayed_finish, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL);
+ cf_port->delayed_finish.function = octeon_cf_delayed_finish;
} else {
/* 16 bit but not True IDE */
+ base = cs0 + 0x800;
octeon_cf_ops.sff_data_xfer = octeon_cf_data_xfer16;
octeon_cf_ops.softreset = octeon_cf_softreset16;
octeon_cf_ops.sff_check_status = octeon_cf_check_status16;
@@ -902,28 +1012,71 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev)
ap->ioaddr.ctl_addr = base + 0xe;
ap->ioaddr.altstatus_addr = base + 0xe;
}
+ cf_port->c0 = ap->ioaddr.ctl_addr;
+
+ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
+ pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
ata_port_desc(ap, "cmd %p ctl %p", base, ap->ioaddr.ctl_addr);
- snprintf(version, sizeof(version), "%s %d bit%s",
- DRV_VERSION,
- (ocd->is16bit) ? 16 : 8,
- (cs1) ? ", True IDE" : "");
- ata_print_version_once(&pdev->dev, version);
+ dev_info(&pdev->dev, "version " DRV_VERSION" %d bit%s.\n",
+ is_16bit ? 16 : 8,
+ cf_port->is_true_ide ? ", True IDE" : "");
- return ata_host_activate(host, irq, irq_handler, 0, &octeon_cf_sht);
+ return ata_host_activate(host, irq, irq_handler,
+ IRQF_SHARED, &octeon_cf_sht);
free_cf_port:
kfree(cf_port);
- return -ENOMEM;
+ return rv;
+}
+
+static void octeon_cf_shutdown(struct device *dev)
+{
+ union cvmx_mio_boot_dma_cfgx dma_cfg;
+ union cvmx_mio_boot_dma_intx dma_int;
+
+ struct octeon_cf_port *cf_port = dev->platform_data;
+
+ if (cf_port->dma_base) {
+ /* Stop and clear the dma engine. */
+ dma_cfg.u64 = 0;
+ dma_cfg.s.size = -1;
+ cvmx_write_csr(cf_port->dma_base + DMA_CFG, dma_cfg.u64);
+
+ /* Disable the interrupt. */
+ dma_int.u64 = 0;
+ cvmx_write_csr(cf_port->dma_base + DMA_INT_EN, dma_int.u64);
+
+ /* Clear the DMA complete status */
+ dma_int.s.done = 1;
+ cvmx_write_csr(cf_port->dma_base + DMA_INT, dma_int.u64);
+
+ __raw_writeb(0, cf_port->c0);
+ udelay(20);
+ __raw_writeb(ATA_SRST, cf_port->c0);
+ udelay(20);
+ __raw_writeb(0, cf_port->c0);
+ mdelay(100);
+ }
}
+static struct of_device_id octeon_cf_match[] = {
+ {
+ .compatible = "cavium,ebt3000-compact-flash",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, octeon_i2c_match);
+
static struct platform_driver octeon_cf_driver = {
.probe = octeon_cf_probe,
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .of_match_table = octeon_cf_match,
+ .shutdown = octeon_cf_shutdown
},
};
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index a533af218368..d7b56a88c9f4 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -65,6 +65,15 @@ config BCMA_DRIVER_GMAC_CMN
If unsure, say N
+config BCMA_DRIVER_GPIO
+ bool "BCMA GPIO driver"
+ depends on BCMA
+ select GPIOLIB
+ help
+ Driver to provide access to the GPIO pins of the bcma bus.
+
+ If unsure, say N
+
config BCMA_DEBUG
bool "BCMA debugging"
depends on BCMA
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
index 8ad42d41b2f2..734b32f09c0a 100644
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -6,6 +6,7 @@ bcma-y += driver_pci.o
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
+bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o
bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o
bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o
obj-$(CONFIG_BCMA) += bcma.o
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index 537ae53231cd..4a2d72ec6d43 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -91,4 +91,14 @@ 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 */
+#ifdef CONFIG_BCMA_DRIVER_GPIO
+/* driver_gpio.c */
+int bcma_gpio_init(struct bcma_drv_cc *cc);
+#else
+static inline int bcma_gpio_init(struct bcma_drv_cc *cc)
+{
+ return -ENOTSUPP;
+}
+#endif /* CONFIG_BCMA_DRIVER_GPIO */
+
#endif
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index dc96dd8ebff2..e461ad25fda4 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -114,6 +114,8 @@ void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
if (cc->early_setup_done)
return;
+ spin_lock_init(&cc->gpio_lock);
+
if (cc->core->id.rev >= 11)
cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
@@ -202,28 +204,97 @@ u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
+/*
+ * If the bit is set to 0, chipcommon controlls this GPIO,
+ * if the bit is set to 1, it is used by some part of the chip and not our code.
+ */
u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ if (cc->core->id.rev < 20)
+ return 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLUP, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ if (cc->core->id.rev < 20)
+ return 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLDOWN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
#ifdef CONFIG_BCMA_DRIVER_MIPS
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
new file mode 100644
index 000000000000..9a6f585da2d9
--- /dev/null
+++ b/drivers/bcma/driver_gpio.c
@@ -0,0 +1,98 @@
+/*
+ * Broadcom specific AMBA
+ * GPIO driver
+ *
+ * Copyright 2011, Broadcom Corporation
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/gpio.h>
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+#include "bcma_private.h"
+
+static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip)
+{
+ return container_of(chip, struct bcma_drv_cc, gpio);
+}
+
+static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ return !!bcma_chipco_gpio_in(cc, 1 << gpio);
+}
+
+static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ bcma_chipco_gpio_outen(cc, 1 << gpio, 0);
+ return 0;
+}
+
+static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio);
+ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ bcma_chipco_gpio_control(cc, 1 << gpio, 0);
+ /* clear pulldown */
+ bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0);
+ /* Set pullup */
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio);
+
+ return 0;
+}
+
+static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+
+ /* clear pullup */
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
+}
+
+int bcma_gpio_init(struct bcma_drv_cc *cc)
+{
+ struct gpio_chip *chip = &cc->gpio;
+
+ chip->label = "bcma_gpio";
+ chip->owner = THIS_MODULE;
+ chip->request = bcma_gpio_request;
+ chip->free = bcma_gpio_free;
+ chip->get = bcma_gpio_get_value;
+ chip->set = bcma_gpio_set_value;
+ chip->direction_input = bcma_gpio_direction_input;
+ chip->direction_output = bcma_gpio_direction_output;
+ chip->ngpio = 16;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+ * a random base number. */
+ if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
+ chip->base = 0;
+ else
+ chip->base = -1;
+
+ return gpiochip_add(chip);
+}
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index debd4f142f93..53ba20ca17e0 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -164,6 +164,11 @@ static int bcma_register_cores(struct bcma_bus *bus)
bcma_err(bus, "Error registering NAND flash\n");
}
#endif
+ err = bcma_gpio_init(&bus->drv_cc);
+ if (err == -ENOTSUPP)
+ bcma_debug(bus, "GPIO driver not activated\n");
+ else if (err)
+ bcma_err(bus, "Error registering GPIO driver: %i\n", err);
if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
err = bcma_chipco_watchdog_register(&bus->drv_cc);
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index bb82d6be793c..4c6c876d9dc3 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -7,7 +7,7 @@
menuconfig EDAC
bool "EDAC (Error Detection And Correction) reporting"
depends on HAS_IOMEM
- depends on X86 || PPC || TILE || ARM
+ depends on X86 || PPC || TILE || ARM || EDAC_SUPPORT
help
EDAC is designed to report errors in the core system.
These are low-level errors that are reported in the CPU or
@@ -27,6 +27,9 @@ menuconfig EDAC
There is also a mailing list for the EDAC project, which can
be found via the sourceforge page.
+config EDAC_SUPPORT
+ bool
+
if EDAC
comment "Reporting subsystems"
@@ -316,4 +319,32 @@ config EDAC_HIGHBANK_L2
Support for error detection and correction on the
Calxeda Highbank memory controller.
+config EDAC_OCTEON_PC
+ tristate "Cavium Octeon Primary Caches"
+ depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON
+ help
+ Support for error detection and correction on the primary caches of
+ the cnMIPS cores of Cavium Octeon family SOCs.
+
+config EDAC_OCTEON_L2C
+ tristate "Cavium Octeon Secondary Caches (L2C)"
+ depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON
+ help
+ Support for error detection and correction on the
+ Cavium Octeon family of SOCs.
+
+config EDAC_OCTEON_LMC
+ tristate "Cavium Octeon DRAM Memory Controller (LMC)"
+ depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON
+ help
+ Support for error detection and correction on the
+ Cavium Octeon family of SOCs.
+
+config EDAC_OCTEON_PCI
+ tristate "Cavium Octeon PCI Controller"
+ depends on EDAC_MM_EDAC && PCI && CPU_CAVIUM_OCTEON
+ help
+ Support for error detection and correction on the
+ Cavium Octeon family of SOCs.
+
endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index 7e5129a733f8..5608a9ba61b7 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -58,3 +58,8 @@ obj-$(CONFIG_EDAC_TILE) += tile_edac.o
obj-$(CONFIG_EDAC_HIGHBANK_MC) += highbank_mc_edac.o
obj-$(CONFIG_EDAC_HIGHBANK_L2) += highbank_l2_edac.o
+
+obj-$(CONFIG_EDAC_OCTEON_PC) += octeon_edac-pc.o
+obj-$(CONFIG_EDAC_OCTEON_L2C) += octeon_edac-l2c.o
+obj-$(CONFIG_EDAC_OCTEON_LMC) += octeon_edac-lmc.o
+obj-$(CONFIG_EDAC_OCTEON_PCI) += octeon_edac-pci.o
diff --git a/drivers/edac/octeon_edac-l2c.c b/drivers/edac/octeon_edac-l2c.c
new file mode 100644
index 000000000000..40fde6a51ed6
--- /dev/null
+++ b/drivers/edac/octeon_edac-l2c.c
@@ -0,0 +1,208 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ *
+ * Copyright (C) 2009 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/edac.h>
+
+#include <asm/octeon/cvmx.h>
+
+#include "edac_core.h"
+#include "edac_module.h"
+
+#define EDAC_MOD_STR "octeon-l2c"
+
+static void octeon_l2c_poll_oct1(struct edac_device_ctl_info *l2c)
+{
+ union cvmx_l2t_err l2t_err, l2t_err_reset;
+ union cvmx_l2d_err l2d_err, l2d_err_reset;
+
+ l2t_err_reset.u64 = 0;
+ l2t_err.u64 = cvmx_read_csr(CVMX_L2T_ERR);
+ if (l2t_err.s.sec_err) {
+ edac_device_handle_ce(l2c, 0, 0,
+ "Tag Single bit error (corrected)");
+ l2t_err_reset.s.sec_err = 1;
+ }
+ if (l2t_err.s.ded_err) {
+ edac_device_handle_ue(l2c, 0, 0,
+ "Tag Double bit error (detected)");
+ l2t_err_reset.s.ded_err = 1;
+ }
+ if (l2t_err_reset.u64)
+ cvmx_write_csr(CVMX_L2T_ERR, l2t_err_reset.u64);
+
+ l2d_err_reset.u64 = 0;
+ l2d_err.u64 = cvmx_read_csr(CVMX_L2D_ERR);
+ if (l2d_err.s.sec_err) {
+ edac_device_handle_ce(l2c, 0, 1,
+ "Data Single bit error (corrected)");
+ l2d_err_reset.s.sec_err = 1;
+ }
+ if (l2d_err.s.ded_err) {
+ edac_device_handle_ue(l2c, 0, 1,
+ "Data Double bit error (detected)");
+ l2d_err_reset.s.ded_err = 1;
+ }
+ if (l2d_err_reset.u64)
+ cvmx_write_csr(CVMX_L2D_ERR, l2d_err_reset.u64);
+
+}
+
+static void _octeon_l2c_poll_oct2(struct edac_device_ctl_info *l2c, int tad)
+{
+ union cvmx_l2c_err_tdtx err_tdtx, err_tdtx_reset;
+ union cvmx_l2c_err_ttgx err_ttgx, err_ttgx_reset;
+ char buf1[64];
+ char buf2[80];
+
+ err_tdtx_reset.u64 = 0;
+ err_tdtx.u64 = cvmx_read_csr(CVMX_L2C_ERR_TDTX(tad));
+ if (err_tdtx.s.dbe || err_tdtx.s.sbe ||
+ err_tdtx.s.vdbe || err_tdtx.s.vsbe)
+ snprintf(buf1, sizeof(buf1),
+ "type:%d, syn:0x%x, way:%d",
+ err_tdtx.s.type, err_tdtx.s.syn, err_tdtx.s.wayidx);
+
+ if (err_tdtx.s.dbe) {
+ snprintf(buf2, sizeof(buf2),
+ "L2D Double bit error (detected):%s", buf1);
+ err_tdtx_reset.s.dbe = 1;
+ edac_device_handle_ue(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.sbe) {
+ snprintf(buf2, sizeof(buf2),
+ "L2D Single bit error (corrected):%s", buf1);
+ err_tdtx_reset.s.sbe = 1;
+ edac_device_handle_ce(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.vdbe) {
+ snprintf(buf2, sizeof(buf2),
+ "VBF Double bit error (detected):%s", buf1);
+ err_tdtx_reset.s.vdbe = 1;
+ edac_device_handle_ue(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.vsbe) {
+ snprintf(buf2, sizeof(buf2),
+ "VBF Single bit error (corrected):%s", buf1);
+ err_tdtx_reset.s.vsbe = 1;
+ edac_device_handle_ce(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx_reset.u64)
+ cvmx_write_csr(CVMX_L2C_ERR_TDTX(tad), err_tdtx_reset.u64);
+
+ err_ttgx_reset.u64 = 0;
+ err_ttgx.u64 = cvmx_read_csr(CVMX_L2C_ERR_TTGX(tad));
+
+ if (err_ttgx.s.dbe || err_ttgx.s.sbe)
+ snprintf(buf1, sizeof(buf1),
+ "type:%d, syn:0x%x, way:%d",
+ err_ttgx.s.type, err_ttgx.s.syn, err_ttgx.s.wayidx);
+
+ if (err_ttgx.s.dbe) {
+ snprintf(buf2, sizeof(buf2),
+ "Tag Double bit error (detected):%s", buf1);
+ err_ttgx_reset.s.dbe = 1;
+ edac_device_handle_ue(l2c, tad, 0, buf2);
+ }
+ if (err_ttgx.s.sbe) {
+ snprintf(buf2, sizeof(buf2),
+ "Tag Single bit error (corrected):%s", buf1);
+ err_ttgx_reset.s.sbe = 1;
+ edac_device_handle_ce(l2c, tad, 0, buf2);
+ }
+ if (err_ttgx_reset.u64)
+ cvmx_write_csr(CVMX_L2C_ERR_TTGX(tad), err_ttgx_reset.u64);
+}
+
+static void octeon_l2c_poll_oct2(struct edac_device_ctl_info *l2c)
+{
+ int i;
+ for (i = 0; i < l2c->nr_instances; i++)
+ _octeon_l2c_poll_oct2(l2c, i);
+}
+
+static int __devinit octeon_l2c_probe(struct platform_device *pdev)
+{
+ struct edac_device_ctl_info *l2c;
+
+ int num_tads = OCTEON_IS_MODEL(OCTEON_CN68XX) ? 4 : 1;
+
+ /* 'Tags' are block 0, 'Data' is block 1*/
+ l2c = edac_device_alloc_ctl_info(0, "l2c", num_tads, "l2c", 2, 0,
+ NULL, 0, edac_device_alloc_index());
+ if (!l2c)
+ return -ENOMEM;
+
+ l2c->dev = &pdev->dev;
+ platform_set_drvdata(pdev, l2c);
+ l2c->dev_name = dev_name(&pdev->dev);
+
+ l2c->mod_name = "octeon-l2c";
+ l2c->ctl_name = "octeon_l2c_err";
+
+
+ if (OCTEON_IS_MODEL(OCTEON_FAM_1_PLUS)) {
+ union cvmx_l2t_err l2t_err;
+ union cvmx_l2d_err l2d_err;
+
+ l2t_err.u64 = cvmx_read_csr(CVMX_L2T_ERR);
+ l2t_err.s.sec_intena = 0; /* We poll */
+ l2t_err.s.ded_intena = 0;
+ cvmx_write_csr(CVMX_L2T_ERR, l2t_err.u64);
+
+ l2d_err.u64 = cvmx_read_csr(CVMX_L2D_ERR);
+ l2d_err.s.sec_intena = 0; /* We poll */
+ l2d_err.s.ded_intena = 0;
+ cvmx_write_csr(CVMX_L2T_ERR, l2d_err.u64);
+
+ l2c->edac_check = octeon_l2c_poll_oct1;
+ } else {
+ /* OCTEON II */
+ l2c->edac_check = octeon_l2c_poll_oct2;
+ }
+
+ if (edac_device_add_device(l2c) > 0) {
+ pr_err("%s: edac_device_add_device() failed\n", __func__);
+ goto err;
+ }
+
+
+ return 0;
+
+err:
+ edac_device_free_ctl_info(l2c);
+
+ return -ENXIO;
+}
+
+static int octeon_l2c_remove(struct platform_device *pdev)
+{
+ struct edac_device_ctl_info *l2c = platform_get_drvdata(pdev);
+
+ edac_device_del_device(&pdev->dev);
+ edac_device_free_ctl_info(l2c);
+
+ return 0;
+}
+
+static struct platform_driver octeon_l2c_driver = {
+ .probe = octeon_l2c_probe,
+ .remove = octeon_l2c_remove,
+ .driver = {
+ .name = "octeon_l2c_edac",
+ }
+};
+module_platform_driver(octeon_l2c_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
diff --git a/drivers/edac/octeon_edac-lmc.c b/drivers/edac/octeon_edac-lmc.c
new file mode 100644
index 000000000000..33bca766e37d
--- /dev/null
+++ b/drivers/edac/octeon_edac-lmc.c
@@ -0,0 +1,186 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2009 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/edac.h>
+
+#include <asm/octeon/octeon.h>
+#include <asm/octeon/cvmx-lmcx-defs.h>
+
+#include "edac_core.h"
+#include "edac_module.h"
+
+#define OCTEON_MAX_MC 4
+
+static void octeon_lmc_edac_poll(struct mem_ctl_info *mci)
+{
+ union cvmx_lmcx_mem_cfg0 cfg0;
+ bool do_clear = false;
+ char msg[64];
+
+ cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mci->mc_idx));
+ if (cfg0.s.sec_err || cfg0.s.ded_err) {
+ union cvmx_lmcx_fadr fadr;
+ fadr.u64 = cvmx_read_csr(CVMX_LMCX_FADR(mci->mc_idx));
+ snprintf(msg, sizeof(msg),
+ "DIMM %d rank %d bank %d row %d col %d",
+ fadr.cn30xx.fdimm, fadr.cn30xx.fbunk,
+ fadr.cn30xx.fbank, fadr.cn30xx.frow, fadr.cn30xx.fcol);
+ }
+
+ if (cfg0.s.sec_err) {
+ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0,
+ -1, -1, -1, msg, "");
+ cfg0.s.sec_err = -1; /* Done, re-arm */
+ do_clear = true;
+ }
+
+ if (cfg0.s.ded_err) {
+ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0,
+ -1, -1, -1, msg, "");
+ cfg0.s.ded_err = -1; /* Done, re-arm */
+ do_clear = true;
+ }
+ if (do_clear)
+ cvmx_write_csr(CVMX_LMCX_MEM_CFG0(mci->mc_idx), cfg0.u64);
+}
+
+static void octeon_lmc_edac_poll_o2(struct mem_ctl_info *mci)
+{
+ union cvmx_lmcx_int int_reg;
+ bool do_clear = false;
+ char msg[64];
+
+ int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx));
+ if (int_reg.s.sec_err || int_reg.s.ded_err) {
+ union cvmx_lmcx_fadr fadr;
+ fadr.u64 = cvmx_read_csr(CVMX_LMCX_FADR(mci->mc_idx));
+ snprintf(msg, sizeof(msg),
+ "DIMM %d rank %d bank %d row %d col %d",
+ fadr.cn61xx.fdimm, fadr.cn61xx.fbunk,
+ fadr.cn61xx.fbank, fadr.cn61xx.frow, fadr.cn61xx.fcol);
+ }
+
+ if (int_reg.s.sec_err) {
+ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0,
+ -1, -1, -1, msg, "");
+ int_reg.s.sec_err = -1; /* Done, re-arm */
+ do_clear = true;
+ }
+
+ if (int_reg.s.ded_err) {
+ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0,
+ -1, -1, -1, msg, "");
+ int_reg.s.ded_err = -1; /* Done, re-arm */
+ do_clear = true;
+ }
+ if (do_clear)
+ cvmx_write_csr(CVMX_LMCX_INT(mci->mc_idx), int_reg.u64);
+}
+
+static int __devinit octeon_lmc_edac_probe(struct platform_device *pdev)
+{
+ struct mem_ctl_info *mci;
+ struct edac_mc_layer layers[1];
+ int mc = pdev->id;
+
+ layers[0].type = EDAC_MC_LAYER_CHANNEL;
+ layers[0].size = 1;
+ layers[0].is_virt_csrow = false;
+
+ if (OCTEON_IS_MODEL(OCTEON_FAM_1_PLUS)) {
+ union cvmx_lmcx_mem_cfg0 cfg0;
+
+ cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(0));
+ if (!cfg0.s.ecc_ena) {
+ dev_info(&pdev->dev, "Disabled (ECC not enabled)\n");
+ return 0;
+ }
+
+ mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, 0);
+ if (!mci)
+ return -ENXIO;
+
+ mci->pdev = &pdev->dev;
+ mci->dev_name = dev_name(&pdev->dev);
+
+ mci->mod_name = "octeon-lmc";
+ mci->ctl_name = "octeon-lmc-err";
+ mci->edac_check = octeon_lmc_edac_poll;
+
+ if (edac_mc_add_mc(mci)) {
+ dev_err(&pdev->dev, "edac_mc_add_mc() failed\n");
+ edac_mc_free(mci);
+ return -ENXIO;
+ }
+
+ cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc));
+ cfg0.s.intr_ded_ena = 0; /* We poll */
+ cfg0.s.intr_sec_ena = 0;
+ cvmx_write_csr(CVMX_LMCX_MEM_CFG0(mc), cfg0.u64);
+ } else {
+ /* OCTEON II */
+ union cvmx_lmcx_int_en en;
+ union cvmx_lmcx_config config;
+
+ config.u64 = cvmx_read_csr(CVMX_LMCX_CONFIG(0));
+ if (!config.s.ecc_ena) {
+ dev_info(&pdev->dev, "Disabled (ECC not enabled)\n");
+ return 0;
+ }
+
+ mci = edac_mc_alloc(mc, ARRAY_SIZE(layers), layers, 0);
+ if (!mci)
+ return -ENXIO;
+
+ mci->pdev = &pdev->dev;
+ mci->dev_name = dev_name(&pdev->dev);
+
+ mci->mod_name = "octeon-lmc";
+ mci->ctl_name = "co_lmc_err";
+ mci->edac_check = octeon_lmc_edac_poll_o2;
+
+ if (edac_mc_add_mc(mci)) {
+ dev_err(&pdev->dev, "edac_mc_add_mc() failed\n");
+ edac_mc_free(mci);
+ return -ENXIO;
+ }
+
+ en.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc));
+ en.s.intr_ded_ena = 0; /* We poll */
+ en.s.intr_sec_ena = 0;
+ cvmx_write_csr(CVMX_LMCX_MEM_CFG0(mc), en.u64);
+ }
+ platform_set_drvdata(pdev, mci);
+
+ return 0;
+}
+
+static int octeon_lmc_edac_remove(struct platform_device *pdev)
+{
+ struct mem_ctl_info *mci = platform_get_drvdata(pdev);
+
+ edac_mc_del_mc(&pdev->dev);
+ edac_mc_free(mci);
+ return 0;
+}
+
+static struct platform_driver octeon_lmc_edac_driver = {
+ .probe = octeon_lmc_edac_probe,
+ .remove = octeon_lmc_edac_remove,
+ .driver = {
+ .name = "octeon_lmc_edac",
+ }
+};
+module_platform_driver(octeon_lmc_edac_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
diff --git a/drivers/edac/octeon_edac-pc.c b/drivers/edac/octeon_edac-pc.c
new file mode 100644
index 000000000000..14a5e57f2b32
--- /dev/null
+++ b/drivers/edac/octeon_edac-pc.c
@@ -0,0 +1,143 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ *
+ * Copyright (C) 2009 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/edac.h>
+
+#include "edac_core.h"
+#include "edac_module.h"
+
+#include <asm/octeon/cvmx.h>
+#include <asm/mipsregs.h>
+
+extern int register_co_cache_error_notifier(struct notifier_block *nb);
+extern int unregister_co_cache_error_notifier(struct notifier_block *nb);
+
+extern unsigned long long cache_err_dcache[NR_CPUS];
+
+struct co_cache_error {
+ struct notifier_block notifier;
+ struct edac_device_ctl_info *ed;
+};
+
+/**
+ * EDAC CPU cache error callback
+ *
+ * @event: non-zero if unrecoverable.
+ */
+static int co_cache_error_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct co_cache_error *p = container_of(this, struct co_cache_error,
+ notifier);
+
+ unsigned int core = cvmx_get_core_num();
+ unsigned int cpu = smp_processor_id();
+ u64 icache_err = read_octeon_c0_icacheerr();
+ u64 dcache_err;
+
+ if (event) {
+ dcache_err = cache_err_dcache[core];
+ cache_err_dcache[core] = 0;
+ } else {
+ dcache_err = read_octeon_c0_dcacheerr();
+ }
+
+ if (icache_err & 1) {
+ edac_device_printk(p->ed, KERN_ERR,
+ "CacheErr (Icache):%llx, core %d/cpu %d, cp0_errorepc == %lx\n",
+ (unsigned long long)icache_err, core, cpu,
+ read_c0_errorepc());
+ write_octeon_c0_icacheerr(0);
+ edac_device_handle_ce(p->ed, cpu, 1, "icache");
+ }
+ if (dcache_err & 1) {
+ edac_device_printk(p->ed, KERN_ERR,
+ "CacheErr (Dcache):%llx, core %d/cpu %d, cp0_errorepc == %lx\n",
+ (unsigned long long)dcache_err, core, cpu,
+ read_c0_errorepc());
+ if (event)
+ edac_device_handle_ue(p->ed, cpu, 0, "dcache");
+ else
+ edac_device_handle_ce(p->ed, cpu, 0, "dcache");
+
+ /* Clear the error indication */
+ if (OCTEON_IS_MODEL(OCTEON_FAM_2))
+ write_octeon_c0_dcacheerr(1);
+ else
+ write_octeon_c0_dcacheerr(0);
+ }
+
+ return NOTIFY_STOP;
+}
+
+static int __devinit co_cache_error_probe(struct platform_device *pdev)
+{
+ struct co_cache_error *p = devm_kzalloc(&pdev->dev, sizeof(*p),
+ GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ p->notifier.notifier_call = co_cache_error_event;
+ platform_set_drvdata(pdev, p);
+
+ p->ed = edac_device_alloc_ctl_info(0, "cpu", num_possible_cpus(),
+ "cache", 2, 0, NULL, 0,
+ edac_device_alloc_index());
+ if (!p->ed)
+ goto err;
+
+ p->ed->dev = &pdev->dev;
+
+ p->ed->dev_name = dev_name(&pdev->dev);
+
+ p->ed->mod_name = "octeon-cpu";
+ p->ed->ctl_name = "cache";
+
+ if (edac_device_add_device(p->ed)) {
+ pr_err("%s: edac_device_add_device() failed\n", __func__);
+ goto err1;
+ }
+
+ register_co_cache_error_notifier(&p->notifier);
+
+ return 0;
+
+err1:
+ edac_device_free_ctl_info(p->ed);
+err:
+ return -ENXIO;
+}
+
+static int co_cache_error_remove(struct platform_device *pdev)
+{
+ struct co_cache_error *p = platform_get_drvdata(pdev);
+
+ unregister_co_cache_error_notifier(&p->notifier);
+ edac_device_del_device(&pdev->dev);
+ edac_device_free_ctl_info(p->ed);
+ return 0;
+}
+
+static struct platform_driver co_cache_error_driver = {
+ .probe = co_cache_error_probe,
+ .remove = co_cache_error_remove,
+ .driver = {
+ .name = "octeon_pc_edac",
+ }
+};
+module_platform_driver(co_cache_error_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
diff --git a/drivers/edac/octeon_edac-pci.c b/drivers/edac/octeon_edac-pci.c
new file mode 100644
index 000000000000..758c1ef5fc9e
--- /dev/null
+++ b/drivers/edac/octeon_edac-pci.c
@@ -0,0 +1,111 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ * Copyright (C) 2009 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/edac.h>
+
+#include <asm/octeon/cvmx.h>
+#include <asm/octeon/cvmx-npi-defs.h>
+#include <asm/octeon/cvmx-pci-defs.h>
+#include <asm/octeon/octeon.h>
+
+#include "edac_core.h"
+#include "edac_module.h"
+
+static void octeon_pci_poll(struct edac_pci_ctl_info *pci)
+{
+ union cvmx_pci_cfg01 cfg01;
+
+ cfg01.u32 = octeon_npi_read32(CVMX_NPI_PCI_CFG01);
+ if (cfg01.s.dpe) { /* Detected parity error */
+ edac_pci_handle_pe(pci, pci->ctl_name);
+ cfg01.s.dpe = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+ if (cfg01.s.sse) {
+ edac_pci_handle_npe(pci, "Signaled System Error");
+ cfg01.s.sse = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+ if (cfg01.s.rma) {
+ edac_pci_handle_npe(pci, "Received Master Abort");
+ cfg01.s.rma = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+ if (cfg01.s.rta) {
+ edac_pci_handle_npe(pci, "Received Target Abort");
+ cfg01.s.rta = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+ if (cfg01.s.sta) {
+ edac_pci_handle_npe(pci, "Signaled Target Abort");
+ cfg01.s.sta = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+ if (cfg01.s.mdpe) {
+ edac_pci_handle_npe(pci, "Master Data Parity Error");
+ cfg01.s.mdpe = 1; /* Reset */
+ octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32);
+ }
+}
+
+static int __devinit octeon_pci_probe(struct platform_device *pdev)
+{
+ struct edac_pci_ctl_info *pci;
+ int res = 0;
+
+ pci = edac_pci_alloc_ctl_info(0, "octeon_pci_err");
+ if (!pci)
+ return -ENOMEM;
+
+ pci->dev = &pdev->dev;
+ platform_set_drvdata(pdev, pci);
+ pci->dev_name = dev_name(&pdev->dev);
+
+ pci->mod_name = "octeon-pci";
+ pci->ctl_name = "octeon_pci_err";
+ pci->edac_check = octeon_pci_poll;
+
+ if (edac_pci_add_device(pci, 0) > 0) {
+ pr_err("%s: edac_pci_add_device() failed\n", __func__);
+ goto err;
+ }
+
+ return 0;
+
+err:
+ edac_pci_free_ctl_info(pci);
+
+ return res;
+}
+
+static int octeon_pci_remove(struct platform_device *pdev)
+{
+ struct edac_pci_ctl_info *pci = platform_get_drvdata(pdev);
+
+ edac_pci_del_device(&pdev->dev);
+ edac_pci_free_ctl_info(pci);
+
+ return 0;
+}
+
+static struct platform_driver octeon_pci_driver = {
+ .probe = octeon_pci_probe,
+ .remove = octeon_pci_remove,
+ .driver = {
+ .name = "octeon_pci_edac",
+ }
+};
+module_platform_driver(octeon_pci_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index 42cdaa9a4d8a..ff3c8a21f10d 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -160,4 +160,13 @@ config SSB_DRIVER_GIGE
If unsure, say N
+config SSB_DRIVER_GPIO
+ bool "SSB GPIO driver"
+ depends on SSB
+ select GPIOLIB
+ help
+ Driver to provide access to the GPIO pins on the bus.
+
+ If unsure, say N
+
endmenu
diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile
index 656e58b92618..9159ba77c388 100644
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -15,6 +15,7 @@ ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o
+ssb-$(CONFIG_SSB_DRIVER_GPIO) += driver_gpio.o
# b43 pci-ssb-bridge driver
# Not strictly a part of SSB, but kept here for convenience
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index 95c33a05f434..71098a7b5fed 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -349,6 +349,9 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return; /* We don't have a ChipCommon */
+
+ spin_lock_init(&cc->gpio_lock);
+
if (cc->dev->id.revision >= 11)
cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status);
@@ -505,28 +508,93 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
EXPORT_SYMBOL(ssb_chipco_gpio_control);
u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res = 0;
+
+ if (cc->dev->id.revision < 20)
+ return 0xffffffff;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLUP, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res = 0;
+
+ if (cc->dev->id.revision < 20)
+ return 0xffffffff;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLDOWN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
#ifdef CONFIG_SSB_SERIAL
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index 553227a3062d..59385fdab5b0 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -138,6 +138,13 @@ u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
return ticks;
}
+void ssb_extif_init(struct ssb_extif *extif)
+{
+ if (!extif->dev)
+ return; /* We don't have a Extif core */
+ spin_lock_init(&extif->gpio_lock);
+}
+
u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
{
return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask;
@@ -145,22 +152,50 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c
new file mode 100644
index 000000000000..97ac0a38e3d0
--- /dev/null
+++ b/drivers/ssb/driver_gpio.c
@@ -0,0 +1,176 @@
+/*
+ * Sonics Silicon Backplane
+ * GPIO driver
+ *
+ * Copyright 2011, Broadcom Corporation
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/gpio.h>
+#include <linux/export.h>
+#include <linux/ssb/ssb.h>
+
+#include "ssb_private.h"
+
+static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip)
+{
+ return container_of(chip, struct ssb_bus, gpio);
+}
+
+static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio);
+}
+
+static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int ssb_gpio_chipco_direction_input(struct gpio_chip *chip,
+ unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0);
+ return 0;
+}
+
+static int ssb_gpio_chipco_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 1 << gpio);
+ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+static int ssb_gpio_chipco_request(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0);
+ /* clear pulldown */
+ ssb_chipco_gpio_pulldown(&bus->chipco, 1 << gpio, 0);
+ /* Set pullup */
+ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 1 << gpio);
+
+ return 0;
+}
+
+static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ /* clear pullup */
+ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
+}
+
+static int ssb_gpio_chipco_init(struct ssb_bus *bus)
+{
+ struct gpio_chip *chip = &bus->gpio;
+
+ chip->label = "ssb_chipco_gpio";
+ chip->owner = THIS_MODULE;
+ chip->request = ssb_gpio_chipco_request;
+ chip->free = ssb_gpio_chipco_free;
+ chip->get = ssb_gpio_chipco_get_value;
+ chip->set = ssb_gpio_chipco_set_value;
+ chip->direction_input = ssb_gpio_chipco_direction_input;
+ chip->direction_output = ssb_gpio_chipco_direction_output;
+ chip->ngpio = 16;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+ * a random base number. */
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ chip->base = 0;
+ else
+ chip->base = -1;
+
+ return gpiochip_add(chip);
+}
+
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+
+static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ return !!ssb_extif_gpio_in(&bus->extif, 1 << gpio);
+}
+
+static void ssb_gpio_extif_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int ssb_gpio_extif_direction_input(struct gpio_chip *chip,
+ unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 0);
+ return 0;
+}
+
+static int ssb_gpio_extif_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 1 << gpio);
+ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+static int ssb_gpio_extif_init(struct ssb_bus *bus)
+{
+ struct gpio_chip *chip = &bus->gpio;
+
+ chip->label = "ssb_extif_gpio";
+ chip->owner = THIS_MODULE;
+ chip->get = ssb_gpio_extif_get_value;
+ chip->set = ssb_gpio_extif_set_value;
+ chip->direction_input = ssb_gpio_extif_direction_input;
+ chip->direction_output = ssb_gpio_extif_direction_output;
+ chip->ngpio = 5;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+ * a random base number. */
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ chip->base = 0;
+ else
+ chip->base = -1;
+
+ return gpiochip_add(chip);
+}
+
+#else
+static int ssb_gpio_extif_init(struct ssb_bus *bus)
+{
+ return -ENOTSUPP;
+}
+#endif
+
+int ssb_gpio_init(struct ssb_bus *bus)
+{
+ if (ssb_chipco_available(&bus->chipco))
+ return ssb_gpio_chipco_init(bus);
+ else if (ssb_extif_available(&bus->extif))
+ return ssb_gpio_extif_init(bus);
+ else
+ SSB_WARN_ON(1);
+
+ return -1;
+}
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 6e0daaa0e04b..c82c5c95fe85 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -804,7 +804,14 @@ static int __devinit ssb_bus_register(struct ssb_bus *bus,
if (err)
goto err_pcmcia_exit;
ssb_chipcommon_init(&bus->chipco);
+ ssb_extif_init(&bus->extif);
ssb_mipscore_init(&bus->mipscore);
+ err = ssb_gpio_init(bus);
+ if (err == -ENOTSUPP)
+ ssb_dprintk(KERN_DEBUG PFX "GPIO driver not activated\n");
+ else if (err)
+ ssb_dprintk(KERN_ERR PFX
+ "Error registering GPIO driver: %i\n", err);
err = ssb_fetch_invariants(bus, get_invariants);
if (err) {
ssb_bus_may_powerdown(bus);
diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
index 8942db1d855a..6c10b66c796c 100644
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -242,4 +242,21 @@ static inline int ssb_watchdog_register(struct ssb_bus *bus)
}
#endif /* CONFIG_SSB_EMBEDDED */
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+extern void ssb_extif_init(struct ssb_extif *extif);
+#else
+static inline void ssb_extif_init(struct ssb_extif *extif)
+{
+}
+#endif
+
+#ifdef CONFIG_SSB_DRIVER_GPIO
+extern int ssb_gpio_init(struct ssb_bus *bus);
+#else /* CONFIG_SSB_DRIVER_GPIO */
+static inline int ssb_gpio_init(struct ssb_bus *bus)
+{
+ return -ENOTSUPP;
+}
+#endif /* CONFIG_SSB_DRIVER_GPIO */
+
#endif /* LINUX_SSB_PRIVATE_H_ */
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 6d1596629040..b05afd03729e 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -327,9 +327,16 @@ out_unmap:
static void newport_init(struct vc_data *vc, int init)
{
- vc->vc_cols = newport_xsize / 8;
- vc->vc_rows = newport_ysize / 16;
+ int cols, rows;
+
+ cols = newport_xsize / 8;
+ rows = newport_ysize / 16;
vc->vc_can_do_color = 1;
+ if (init) {
+ vc->vc_cols = cols;
+ vc->vc_rows = rows;
+ } else
+ vc_resize(vc, cols, rows);
}
static void newport_deinit(struct vc_data *c)
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-05 06:30:00 +0000