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-rw-r--r--drivers/serial/Kconfig11
-rw-r--r--drivers/serial/Makefile2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c9
-rw-r--r--drivers/serial/ioc4_serial.c336
4 files changed, 164 insertions, 194 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 6e44b46c9e9..25fcef2c42d 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -753,7 +753,7 @@ config SERIAL_MPC52xx_CONSOLE_BAUD
config SERIAL_ICOM
tristate "IBM Multiport Serial Adapter"
- depends on PPC_ISERIES || PPC_PSERIES
+ depends on PCI && (PPC_ISERIES || PPC_PSERIES)
select SERIAL_CORE
help
This driver is for a family of multiport serial adapters
@@ -843,4 +843,13 @@ config SERIAL_JSM
To compile this driver as a module, choose M here: the
module will be called jsm.
+config SERIAL_SGI_IOC4
+ tristate "SGI IOC4 controller serial support"
+ depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4
+ select SERIAL_CORE
+ help
+ If you have an SGI Altix with an IOC4 based Base IO card
+ and wish to use the serial ports on this card, say Y.
+ Otherwise, say N.
+
endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 81b77d769b8..8f1cdde7dbe 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -51,4 +51,4 @@ obj-$(CONFIG_ETRAX_SERIAL) += crisv10.o
obj-$(CONFIG_SERIAL_JSM) += jsm/
obj-$(CONFIG_SERIAL_TXX9) += serial_txx9.o
obj-$(CONFIG_SERIAL_VR41XX) += vr41xx_siu.o
-obj-$(CONFIG_BLK_DEV_SGIIOC4) += ioc4_serial.o
+obj-$(CONFIG_SERIAL_SGI_IOC4) += ioc4_serial.o
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index b422c3abfba..c4c8f4b44f5 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -134,12 +134,21 @@ void scc1_lineif(struct uart_cpm_port *pinfo)
void scc2_lineif(struct uart_cpm_port *pinfo)
{
+ /*
+ * STx GP3 uses the SCC2 secondary option pin assignment
+ * which this driver doesn't account for in the static
+ * pin assignments. This kind of board specific info
+ * really has to get out of the driver so boards can
+ * be supported in a sane fashion.
+ */
+#ifndef CONFIG_STX_GP3
volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
io->iop_pparb |= 0x008b0000;
io->iop_pdirb |= 0x00880000;
io->iop_psorb |= 0x00880000;
io->iop_pdirb &= ~0x00030000;
io->iop_psorb &= ~0x00030000;
+#endif
cpm2_immr->im_cpmux.cmx_scr &= 0xff00ffff;
cpm2_immr->im_cpmux.cmx_scr |= 0x00090000;
pinfo->brg = 2;
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index ba4e13a22a5..793c3a7cbe4 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -20,7 +20,7 @@
#include <linux/serial_reg.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/ioc4_common.h>
+#include <linux/ioc4.h>
#include <linux/serial_core.h>
/*
@@ -130,12 +130,19 @@
IOC4_SIO_IR_S3_TX_EXPLICIT)
/* Bitmasks for IOC4_OTHER_IR, IOC4_OTHER_IEC, and IOC4_OTHER_IES */
-#define IOC4_OTHER_IR_ATA_INT 0x00000001 /* ATAPI intr pass-thru */
-#define IOC4_OTHER_IR_ATA_MEMERR 0x00000002 /* ATAPI DMA PCI error */
-#define IOC4_OTHER_IR_S0_MEMERR 0x00000004 /* Port 0 PCI error */
-#define IOC4_OTHER_IR_S1_MEMERR 0x00000008 /* Port 1 PCI error */
-#define IOC4_OTHER_IR_S2_MEMERR 0x00000010 /* Port 2 PCI error */
-#define IOC4_OTHER_IR_S3_MEMERR 0x00000020 /* Port 3 PCI error */
+#define IOC4_OTHER_IR_ATA_INT 0x00000001 /* ATAPI intr pass-thru */
+#define IOC4_OTHER_IR_ATA_MEMERR 0x00000002 /* ATAPI DMA PCI error */
+#define IOC4_OTHER_IR_S0_MEMERR 0x00000004 /* Port 0 PCI error */
+#define IOC4_OTHER_IR_S1_MEMERR 0x00000008 /* Port 1 PCI error */
+#define IOC4_OTHER_IR_S2_MEMERR 0x00000010 /* Port 2 PCI error */
+#define IOC4_OTHER_IR_S3_MEMERR 0x00000020 /* Port 3 PCI error */
+#define IOC4_OTHER_IR_KBD_INT 0x00000040 /* Keyboard/mouse */
+#define IOC4_OTHER_IR_RESERVED 0x007fff80 /* Reserved */
+#define IOC4_OTHER_IR_RT_INT 0x00800000 /* INT_OUT section output */
+#define IOC4_OTHER_IR_GEN_INT 0xff000000 /* Generic pins */
+
+#define IOC4_OTHER_IR_SER_MEMERR (IOC4_OTHER_IR_S0_MEMERR | IOC4_OTHER_IR_S1_MEMERR | \
+ IOC4_OTHER_IR_S2_MEMERR | IOC4_OTHER_IR_S3_MEMERR)
/* Bitmasks for IOC4_SIO_CR */
#define IOC4_SIO_CR_CMD_PULSE_SHIFT 0 /* byte bus strobe shift */
@@ -274,70 +281,24 @@ struct ioc4_uartregs {
#define i4u_dlm u2.dlm
#define i4u_fcr u3.fcr
-/* PCI memory space register map addressed using pci_bar0 */
-struct ioc4_memregs {
- struct ioc4_mem {
- /* Miscellaneous IOC4 registers */
- uint32_t pci_err_addr_l;
- uint32_t pci_err_addr_h;
- uint32_t sio_ir;
- uint32_t other_ir;
-
- /* These registers are read-only for general kernel code. */
- uint32_t sio_ies_ro;
- uint32_t other_ies_ro;
- uint32_t sio_iec_ro;
- uint32_t other_iec_ro;
- uint32_t sio_cr;
- uint32_t misc_fill1;
- uint32_t int_out;
- uint32_t misc_fill2;
- uint32_t gpcr_s;
- uint32_t gpcr_c;
- uint32_t gpdr;
- uint32_t misc_fill3;
- uint32_t gppr_0;
- uint32_t gppr_1;
- uint32_t gppr_2;
- uint32_t gppr_3;
- uint32_t gppr_4;
- uint32_t gppr_5;
- uint32_t gppr_6;
- uint32_t gppr_7;
- } ioc4_mem;
-
- char misc_fill4[0x100 - 0x5C - 4];
-
- /* ATA/ATAP registers */
- uint32_t ata_notused[9];
- char ata_fill1[0x140 - 0x120 - 4];
- uint32_t ata_notused1[8];
- char ata_fill2[0x200 - 0x15C - 4];
-
- /* Keyboard and mouse registers */
- uint32_t km_notused[5];;
- char km_fill1[0x300 - 0x210 - 4];
-
- /* Serial port registers used for DMA serial I/O */
- struct ioc4_serial {
- uint32_t sbbr01_l;
- uint32_t sbbr01_h;
- uint32_t sbbr23_l;
- uint32_t sbbr23_h;
-
- struct ioc4_serialregs port_0;
- struct ioc4_serialregs port_1;
- struct ioc4_serialregs port_2;
- struct ioc4_serialregs port_3;
- struct ioc4_uartregs uart_0;
- struct ioc4_uartregs uart_1;
- struct ioc4_uartregs uart_2;
- struct ioc4_uartregs uart_3;
- } ioc4_serial;
-};
+/* Serial port registers used for DMA serial I/O */
+struct ioc4_serial {
+ uint32_t sbbr01_l;
+ uint32_t sbbr01_h;
+ uint32_t sbbr23_l;
+ uint32_t sbbr23_h;
+
+ struct ioc4_serialregs port_0;
+ struct ioc4_serialregs port_1;
+ struct ioc4_serialregs port_2;
+ struct ioc4_serialregs port_3;
+ struct ioc4_uartregs uart_0;
+ struct ioc4_uartregs uart_1;
+ struct ioc4_uartregs uart_2;
+ struct ioc4_uartregs uart_3;
+} ioc4_serial;
/* UART clock speed */
-#define IOC4_SER_XIN_CLK IOC4_SER_XIN_CLK_66
#define IOC4_SER_XIN_CLK_66 66666667
#define IOC4_SER_XIN_CLK_33 33333333
@@ -412,8 +373,8 @@ enum sio_proto {
| UART_LCR_WLEN7 | UART_LCR_WLEN8)
#define LCR_MASK_STOP_BITS (UART_LCR_STOP)
-#define PENDING(_p) (readl(&(_p)->ip_mem->sio_ir) & _p->ip_ienb)
-#define READ_SIO_IR(_p) readl(&(_p)->ip_mem->sio_ir)
+#define PENDING(_p) (readl(&(_p)->ip_mem->sio_ir.raw) & _p->ip_ienb)
+#define READ_SIO_IR(_p) readl(&(_p)->ip_mem->sio_ir.raw)
/* Default to 4k buffers */
#ifdef IOC4_1K_BUFFERS
@@ -447,7 +408,7 @@ struct ioc4_control {
*/
#define MAX_IOC4_INTR_ENTS (8 * sizeof(uint32_t))
struct ioc4_soft {
- struct ioc4_mem __iomem *is_ioc4_mem_addr;
+ struct ioc4_misc_regs __iomem *is_ioc4_misc_addr;
struct ioc4_serial __iomem *is_ioc4_serial_addr;
/* Each interrupt type has an entry in the array */
@@ -486,7 +447,7 @@ struct ioc4_port {
struct ioc4_soft *ip_ioc4_soft;
/* pci mem addresses */
- struct ioc4_mem __iomem *ip_mem;
+ struct ioc4_misc_regs __iomem *ip_mem;
struct ioc4_serial __iomem *ip_serial;
struct ioc4_serialregs __iomem *ip_serial_regs;
struct ioc4_uartregs __iomem *ip_uart_regs;
@@ -553,7 +514,7 @@ struct hooks {
uint32_t intr_dma_error;
uint32_t intr_clear;
uint32_t intr_all;
- char rs422_select_pin;
+ int rs422_select_pin;
};
static struct hooks hooks_array[IOC4_NUM_SERIAL_PORTS] = {
@@ -669,7 +630,7 @@ static void handle_intr(void *arg, uint32_t sio_ir);
static inline void
write_ireg(struct ioc4_soft *ioc4_soft, uint32_t val, int which, int type)
{
- struct ioc4_mem __iomem *mem = ioc4_soft->is_ioc4_mem_addr;
+ struct ioc4_misc_regs __iomem *mem = ioc4_soft->is_ioc4_misc_addr;
unsigned long flags;
spin_lock_irqsave(&ioc4_soft->is_ir_lock, flags);
@@ -678,11 +639,11 @@ write_ireg(struct ioc4_soft *ioc4_soft, uint32_t val, int which, int type)
case IOC4_SIO_INTR_TYPE:
switch (which) {
case IOC4_W_IES:
- writel(val, &mem->sio_ies_ro);
+ writel(val, &mem->sio_ies.raw);
break;
case IOC4_W_IEC:
- writel(val, &mem->sio_iec_ro);
+ writel(val, &mem->sio_iec.raw);
break;
}
break;
@@ -690,11 +651,11 @@ write_ireg(struct ioc4_soft *ioc4_soft, uint32_t val, int which, int type)
case IOC4_OTHER_INTR_TYPE:
switch (which) {
case IOC4_W_IES:
- writel(val, &mem->other_ies_ro);
+ writel(val, &mem->other_ies.raw);
break;
case IOC4_W_IEC:
- writel(val, &mem->other_iec_ro);
+ writel(val, &mem->other_iec.raw);
break;
}
break;
@@ -747,7 +708,8 @@ static int set_baud(struct ioc4_port *port, int baud)
*/
static struct ioc4_port *get_ioc4_port(struct uart_port *the_port)
{
- struct ioc4_control *control = dev_get_drvdata(the_port->dev);
+ struct ioc4_driver_data *idd = dev_get_drvdata(the_port->dev);
+ struct ioc4_control *control = idd->idd_serial_data;
int ii;
if (control) {
@@ -782,7 +744,7 @@ static struct ioc4_port *get_ioc4_port(struct uart_port *the_port)
static inline uint32_t
pending_intrs(struct ioc4_soft *soft, int type)
{
- struct ioc4_mem __iomem *mem = soft->is_ioc4_mem_addr;
+ struct ioc4_misc_regs __iomem *mem = soft->is_ioc4_misc_addr;
unsigned long flag;
uint32_t intrs = 0;
@@ -793,11 +755,11 @@ pending_intrs(struct ioc4_soft *soft, int type)
switch (type) {
case IOC4_SIO_INTR_TYPE:
- intrs = readl(&mem->sio_ir) & readl(&mem->sio_ies_ro);
+ intrs = readl(&mem->sio_ir.raw) & readl(&mem->sio_ies.raw);
break;
case IOC4_OTHER_INTR_TYPE:
- intrs = readl(&mem->other_ir) & readl(&mem->other_ies_ro);
+ intrs = readl(&mem->other_ir.raw) & readl(&mem->other_ies.raw);
/* Don't process any ATA interrupte */
intrs &= ~(IOC4_OTHER_IR_ATA_INT | IOC4_OTHER_IR_ATA_MEMERR);
@@ -826,7 +788,7 @@ static int inline port_init(struct ioc4_port *port)
/* Wait until any pending bus activity for this port has ceased */
do
- sio_cr = readl(&port->ip_mem->sio_cr);
+ sio_cr = readl(&port->ip_mem->sio_cr.raw);
while (!(sio_cr & IOC4_SIO_CR_SIO_DIAG_IDLE));
/* Finish reset sequence */
@@ -899,7 +861,7 @@ static int inline port_init(struct ioc4_port *port)
write_ireg(port->ip_ioc4_soft, hooks->intr_clear,
IOC4_W_IEC, IOC4_SIO_INTR_TYPE);
port->ip_ienb &= ~hooks->intr_clear;
- writel(hooks->intr_clear, &port->ip_mem->sio_ir);
+ writel(hooks->intr_clear, &port->ip_mem->sio_ir.raw);
return 0;
}
@@ -918,23 +880,23 @@ static void handle_dma_error_intr(void *arg, uint32_t other_ir)
spin_lock_irqsave(&port->ip_lock, flags);
/* ACK the interrupt */
- writel(hooks->intr_dma_error, &port->ip_mem->other_ir);
+ writel(hooks->intr_dma_error, &port->ip_mem->other_ir.raw);
- if (readl(&port->ip_mem->pci_err_addr_l) & IOC4_PCI_ERR_ADDR_VLD) {
+ if (readl(&port->ip_mem->pci_err_addr_l.raw) & IOC4_PCI_ERR_ADDR_VLD) {
printk(KERN_ERR
"PCI error address is 0x%lx, "
"master is serial port %c %s\n",
(((uint64_t)readl(&port->ip_mem->pci_err_addr_h)
<< 32)
- | readl(&port->ip_mem->pci_err_addr_l))
+ | readl(&port->ip_mem->pci_err_addr_l.raw))
& IOC4_PCI_ERR_ADDR_ADDR_MSK, '1' +
- ((char)(readl(&port->ip_mem-> pci_err_addr_l) &
+ ((char)(readl(&port->ip_mem->pci_err_addr_l.raw) &
IOC4_PCI_ERR_ADDR_MST_NUM_MSK) >> 1),
- (readl(&port->ip_mem->pci_err_addr_l)
+ (readl(&port->ip_mem->pci_err_addr_l.raw)
& IOC4_PCI_ERR_ADDR_MST_TYP_MSK)
? "RX" : "TX");
- if (readl(&port->ip_mem->pci_err_addr_l)
+ if (readl(&port->ip_mem->pci_err_addr_l.raw)
& IOC4_PCI_ERR_ADDR_MUL_ERR) {
printk(KERN_ERR
"Multiple errors occurred\n");
@@ -1018,26 +980,26 @@ static irqreturn_t ioc4_intr(int irq, void *arg, struct pt_regs *regs)
"other_ies = 0x%x\n",
(intr_type == IOC4_SIO_INTR_TYPE) ? "sio" :
"other", this_ir,
- readl(&soft->is_ioc4_mem_addr->sio_ir),
- readl(&soft->is_ioc4_mem_addr->sio_ies_ro),
- readl(&soft->is_ioc4_mem_addr->other_ir),
- readl(&soft->is_ioc4_mem_addr->other_ies_ro));
+ readl(&soft->is_ioc4_misc_addr->sio_ir.raw),
+ readl(&soft->is_ioc4_misc_addr->sio_ies.raw),
+ readl(&soft->is_ioc4_misc_addr->other_ir.raw),
+ readl(&soft->is_ioc4_misc_addr->other_ies.raw));
}
}
#ifdef DEBUG_INTERRUPTS
{
- struct ioc4_mem __iomem *mem = soft->is_ioc4_mem_addr;
+ struct ioc4_misc_regs __iomem *mem = soft->is_ioc4_misc_addr;
spinlock_t *lp = &soft->is_ir_lock;
unsigned long flag;
spin_lock_irqsave(&soft->is_ir_lock, flag);
- printk ("%s : %d : mem 0x%p sio_ir 0x%x sio_ies_ro 0x%x "
- "other_ir 0x%x other_ies_ro 0x%x mask 0x%x\n",
+ printk ("%s : %d : mem 0x%p sio_ir 0x%x sio_ies 0x%x "
+ "other_ir 0x%x other_ies 0x%x mask 0x%x\n",
__FUNCTION__, __LINE__,
- (void *)mem, readl(&mem->sio_ir),
- readl(&mem->sio_ies_ro),
- readl(&mem->other_ir),
- readl(&mem->other_ies_ro),
+ (void *)mem, readl(&mem->sio_ir.raw),
+ readl(&mem->sio_ies.raw),
+ readl(&mem->other_ir.raw),
+ readl(&mem->other_ies.raw),
IOC4_OTHER_IR_ATA_INT | IOC4_OTHER_IR_ATA_MEMERR);
spin_unlock_irqrestore(&soft->is_ir_lock, flag);
}
@@ -1049,21 +1011,20 @@ static irqreturn_t ioc4_intr(int irq, void *arg, struct pt_regs *regs)
* ioc4_attach_local - Device initialization.
* Called at *_attach() time for each
* IOC4 with serial ports in the system.
- * @control: ioc4_control ptr
- * @pdev: PCI handle for this device
- * @soft: soft struct for this device
- * @ioc4: ioc4 mem space
+ * @idd: Master module data for this IOC4
*/
-static int inline ioc4_attach_local(struct pci_dev *pdev,
- struct ioc4_control *control,
- struct ioc4_soft *soft, void __iomem *ioc4_mem,
- void __iomem *ioc4_serial)
+static int inline ioc4_attach_local(struct ioc4_driver_data *idd)
{
struct ioc4_port *port;
struct ioc4_port *ports[IOC4_NUM_SERIAL_PORTS];
int port_number;
uint16_t ioc4_revid_min = 62;
uint16_t ioc4_revid;
+ struct pci_dev *pdev = idd->idd_pdev;
+ struct ioc4_control* control = idd->idd_serial_data;
+ struct ioc4_soft *soft = control->ic_soft;
+ void __iomem *ioc4_misc = idd->idd_misc_regs;
+ void __iomem *ioc4_serial = soft->is_ioc4_serial_addr;
/* IOC4 firmware must be at least rev 62 */
pci_read_config_word(pdev, PCI_COMMAND_SPECIAL, &ioc4_revid);
@@ -1076,7 +1037,7 @@ static int inline ioc4_attach_local(struct pci_dev *pdev,
ioc4_revid, ioc4_revid_min);
return -EPERM;
}
- BUG_ON(ioc4_mem == NULL);
+ BUG_ON(ioc4_misc == NULL);
BUG_ON(ioc4_serial == NULL);
/* Create port structures for each port */
@@ -1100,10 +1061,18 @@ static int inline ioc4_attach_local(struct pci_dev *pdev,
port->ip_ioc4_soft = soft;
port->ip_pdev = pdev;
port->ip_ienb = 0;
- port->ip_pci_bus_speed = IOC4_SER_XIN_CLK;
+ /* Use baud rate calculations based on detected PCI
+ * bus speed. Simply test whether the PCI clock is
+ * running closer to 66MHz or 33MHz.
+ */
+ if (idd->count_period/IOC4_EXTINT_COUNT_DIVISOR < 20) {
+ port->ip_pci_bus_speed = IOC4_SER_XIN_CLK_66;
+ } else {
+ port->ip_pci_bus_speed = IOC4_SER_XIN_CLK_33;
+ }
port->ip_baud = 9600;
port->ip_control = control;
- port->ip_mem = ioc4_mem;
+ port->ip_mem = ioc4_misc;
port->ip_serial = ioc4_serial;
/* point to the right hook */
@@ -1604,14 +1573,12 @@ static int ioc4_set_proto(struct ioc4_port *port, enum sio_proto proto)
switch (proto) {
case PROTO_RS232:
/* Clear the appropriate GIO pin */
- writel(0, (&port->ip_mem->gppr_0 +
- hooks->rs422_select_pin));
+ writel(0, (&port->ip_mem->gppr[hooks->rs422_select_pin].raw));
break;
case PROTO_RS422:
/* Set the appropriate GIO pin */
- writel(1, (&port->ip_mem->gppr_0 +
- hooks->rs422_select_pin));
+ writel(1, (&port->ip_mem->gppr[hooks->rs422_select_pin].raw));
break;
default:
@@ -1885,7 +1852,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
if (sio_ir & hooks->intr_delta_dcd) {
/* ACK the interrupt */
writel(hooks->intr_delta_dcd,
- &port->ip_mem->sio_ir);
+ &port->ip_mem->sio_ir.raw);
shadow = readl(&port->ip_serial_regs->shadow);
@@ -1907,7 +1874,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
if (sio_ir & hooks->intr_delta_cts) {
/* ACK the interrupt */
writel(hooks->intr_delta_cts,
- &port->ip_mem->sio_ir);
+ &port->ip_mem->sio_ir.raw);
shadow = readl(&port->ip_serial_regs->shadow);
@@ -1928,7 +1895,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
if (sio_ir & hooks->intr_rx_timer) {
/* ACK the interrupt */
writel(hooks->intr_rx_timer,
- &port->ip_mem->sio_ir);
+ &port->ip_mem->sio_ir.raw);
if ((port->ip_notify & N_DATA_READY)
&& (port->ip_port)) {
@@ -1974,7 +1941,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
/* ACK the interrupt */
writel(hooks->intr_tx_explicit,
- &port->ip_mem->sio_ir);
+ &port->ip_mem->sio_ir.raw);
if (port->ip_notify & N_OUTPUT_LOWAT)
ioc4_cb_output_lowat(port);
@@ -2634,7 +2601,8 @@ ioc4_serial_core_attach(struct pci_dev *pdev)
{
struct ioc4_port *port;
struct uart_port *the_port;
- struct ioc4_control *control = pci_get_drvdata(pdev);
+ struct ioc4_driver_data *idd = pci_get_drvdata(pdev);
+ struct ioc4_control *control = idd->idd_serial_data;
int ii;
DPRINT_CONFIG(("%s: attach pdev 0x%p - control 0x%p\n",
@@ -2680,55 +2648,29 @@ ioc4_serial_core_attach(struct pci_dev *pdev)
/**
* ioc4_serial_attach_one - register attach function
- * called per card found from ioc4_serial_detect as part
- * of module_init().
- * @pdev: handle for this card
- * @pci_id: pci id for this card
+ * called per card found from IOC4 master module.
+ * @idd: Master module data for this IOC4
*/
int
-ioc4_serial_attach_one(struct pci_dev *pdev, const struct pci_device_id *pci_id)
+ioc4_serial_attach_one(struct ioc4_driver_data *idd)
{
- struct ioc4_mem __iomem *mem;
- unsigned long tmp_addr, tmp_addr1;
+ unsigned long tmp_addr1;
struct ioc4_serial __iomem *serial;
struct ioc4_soft *soft;
struct ioc4_control *control;
- int tmp, ret = 0;
+ int ret = 0;
- DPRINT_CONFIG(("%s (0x%p, 0x%p)\n", __FUNCTION__, pdev, pci_id));
-
- /* Map in the ioc4 memory */
- tmp_addr = pci_resource_start(pdev, 0);
- if (!tmp_addr) {
- printk(KERN_WARNING
- "ioc4 (%p) : unable to get PIO mapping for "
- "MEM space\n", (void *)pdev);
- return -ENODEV;
- }
- if (!request_region(tmp_addr, sizeof(struct ioc4_mem), "sioc4_mem")) {
- printk(KERN_ALERT
- "ioc4 (%p): unable to get request region for "
- "MEM space\n", (void *)pdev);
- return -ENODEV;
- }
- mem = ioremap(tmp_addr, sizeof(struct ioc4_mem));
- if (!mem) {
- printk(KERN_WARNING
- "ioc4 (%p) : unable to remap ioc4 memory\n",
- (void *)pdev);
- ret = -ENODEV;
- goto out1;
- }
+ DPRINT_CONFIG(("%s (0x%p, 0x%p)\n", __FUNCTION__, idd->idd_pdev, idd->idd_pci_id));
/* request serial registers */
- tmp_addr1 = pci_resource_start(pdev, 0) + IOC4_SERIAL_OFFSET;
+ tmp_addr1 = idd->idd_bar0 + IOC4_SERIAL_OFFSET;
if (!request_region(tmp_addr1, sizeof(struct ioc4_serial),
"sioc4_uart")) {
printk(KERN_WARNING
"ioc4 (%p): unable to get request region for "
- "uart space\n", (void *)pdev);
+ "uart space\n", (void *)idd->idd_pdev);
ret = -ENODEV;
goto out1;
}
@@ -2736,12 +2678,12 @@ ioc4_serial_attach_one(struct pci_dev *pdev, const struct pci_device_id *pci_id)
if (!serial) {
printk(KERN_WARNING
"ioc4 (%p) : unable to remap ioc4 serial register\n",
- (void *)pdev);
+ (void *)idd->idd_pdev);
ret = -ENODEV;
goto out2;
}
DPRINT_CONFIG(("%s : mem 0x%p, serial 0x%p\n",
- __FUNCTION__, (void *)mem, (void *)serial));
+ __FUNCTION__, (void *)idd->idd_misc_regs, (void *)serial));
/* Get memory for the new card */
control = kmalloc(sizeof(struct ioc4_control) * IOC4_NUM_SERIAL_PORTS,
@@ -2754,59 +2696,56 @@ ioc4_serial_attach_one(struct pci_dev *pdev, const struct pci_device_id *pci_id)
goto out2;
}
memset(control, 0, sizeof(struct ioc4_control));
- pci_set_drvdata(pdev, control);
+ idd->idd_serial_data = control;
/* Allocate the soft structure */
soft = kmalloc(sizeof(struct ioc4_soft), GFP_KERNEL);
if (!soft) {
printk(KERN_WARNING
"ioc4 (%p): unable to get memory for the soft struct\n",
- (void *)pdev);
+ (void *)idd->idd_pdev);
ret = -ENOMEM;
goto out3;
}
memset(soft, 0, sizeof(struct ioc4_soft));
spin_lock_init(&soft->is_ir_lock);
- soft->is_ioc4_mem_addr = mem;
+ soft->is_ioc4_misc_addr = idd->idd_misc_regs;
soft->is_ioc4_serial_addr = serial;
/* Init the IOC4 */
- pci_read_config_dword(pdev, PCI_COMMAND, &tmp);
- pci_write_config_dword(pdev, PCI_COMMAND,
- tmp | PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
-
- writel(0xf << IOC4_SIO_CR_CMD_PULSE_SHIFT, &mem->sio_cr);
+ writel(0xf << IOC4_SIO_CR_CMD_PULSE_SHIFT,
+ &idd->idd_misc_regs->sio_cr.raw);
/* Enable serial port mode select generic PIO pins as outputs */
writel(IOC4_GPCR_UART0_MODESEL | IOC4_GPCR_UART1_MODESEL
| IOC4_GPCR_UART2_MODESEL | IOC4_GPCR_UART3_MODESEL,
- &mem->gpcr_s);
+ &idd->idd_misc_regs->gpcr_s.raw);
- /* Clear and disable all interrupts */
+ /* Clear and disable all serial interrupts */
write_ireg(soft, ~0, IOC4_W_IEC, IOC4_SIO_INTR_TYPE);
- writel(~0, &mem->sio_ir);
- write_ireg(soft, ~(IOC4_OTHER_IR_ATA_INT | IOC4_OTHER_IR_ATA_MEMERR),
- IOC4_W_IEC, IOC4_OTHER_INTR_TYPE);
- writel(~(IOC4_OTHER_IR_ATA_MEMERR | IOC4_OTHER_IR_ATA_MEMERR),
- &mem->other_ir);
+ writel(~0, &idd->idd_misc_regs->sio_ir.raw);
+ write_ireg(soft, IOC4_OTHER_IR_SER_MEMERR, IOC4_W_IEC,
+ IOC4_OTHER_INTR_TYPE);
+ writel(IOC4_OTHER_IR_SER_MEMERR, &idd->idd_misc_regs->other_ir.raw);
control->ic_soft = soft;
- if (!request_irq(pdev->irq, ioc4_intr, SA_SHIRQ,
+
+ /* Hook up interrupt handler */
+ if (!request_irq(idd->idd_pdev->irq, ioc4_intr, SA_SHIRQ,
"sgi-ioc4serial", (void *)soft)) {
- control->ic_irq = pdev->irq;
+ control->ic_irq = idd->idd_pdev->irq;
} else {
printk(KERN_WARNING
"%s : request_irq fails for IRQ 0x%x\n ",
- __FUNCTION__, pdev->irq);
+ __FUNCTION__, idd->idd_pdev->irq);
}
- if ((ret = ioc4_attach_local(pdev, control, soft,
- soft->is_ioc4_mem_addr,
- soft->is_ioc4_serial_addr)))
+ ret = ioc4_attach_local(idd);
+ if (ret)
goto out4;
/* register port with the serial core */
- if ((ret = ioc4_serial_core_attach(pdev)))
+ if ((ret = ioc4_serial_core_attach(idd->idd_pdev)))
goto out4;
return ret;
@@ -2819,7 +2758,6 @@ out3:
out2:
release_region(tmp_addr1, sizeof(struct ioc4_serial));
out1:
- release_region(tmp_addr, sizeof(struct ioc4_mem));
return ret;
}
@@ -2828,11 +2766,10 @@ out1:
/**
* ioc4_serial_remove_one - detach function
*
- * @pdev: handle for this card
+ * @idd: IOC4 master module data for this IOC4
*/
-#if 0
-void ioc4_serial_remove_one(struct pci_dev *pdev)
+int ioc4_serial_remove_one(struct ioc4_driver_data *idd)
{
int ii;
struct ioc4_control *control;
@@ -2840,7 +2777,7 @@ void ioc4_serial_remove_one(struct pci_dev *pdev)
struct ioc4_port *port;
struct ioc4_soft *soft;
- control = pci_get_drvdata(pdev);
+ control = idd->idd_serial_data;
for (ii = 0; ii < IOC4_NUM_SERIAL_PORTS; ii++) {
the_port = &control->ic_port[ii].icp_uart_port;
@@ -2867,10 +2804,17 @@ void ioc4_serial_remove_one(struct pci_dev *pdev)
kfree(soft);
}
kfree(control);
- pci_set_drvdata(pdev, NULL);
- uart_unregister_driver(&ioc4_uart);
+ idd->idd_serial_data = NULL;
+
+ return 0;
}
-#endif
+
+static struct ioc4_submodule ioc4_serial_submodule = {
+ .is_name = "IOC4_serial",
+ .is_owner = THIS_MODULE,
+ .is_probe = ioc4_serial_attach_one,
+ .is_remove = ioc4_serial_remove_one,
+};
/**
* ioc4_serial_init - module init
@@ -2886,12 +2830,20 @@ int ioc4_serial_init(void)
__FUNCTION__);
return ret;
}
- return 0;
+
+ /* register with IOC4 main module */
+ return ioc4_register_submodule(&ioc4_serial_submodule);
+}
+
+static void __devexit ioc4_serial_exit(void)
+{
+ ioc4_unregister_submodule(&ioc4_serial_submodule);
+ uart_unregister_driver(&ioc4_uart);
}
+module_init(ioc4_serial_init);
+module_exit(ioc4_serial_exit);
+
MODULE_AUTHOR("Pat Gefre - Silicon Graphics Inc. (SGI) <pfg@sgi.com>");
MODULE_DESCRIPTION("Serial PCI driver module for SGI IOC4 Base-IO Card");
MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(ioc4_serial_init);
-EXPORT_SYMBOL(ioc4_serial_attach_one);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 12:08:37 +0000