.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO,
},
+ [PORT_OCTEON] = {
+ .name = "OCTEON",
+ .fifo_size = 64,
+ .tx_loadsz = 64,
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .flags = UART_CAP_FIFO,
+ },
};
#if defined (CONFIG_SERIAL_8250_AU1X00)
};
/* sane hardware needs no mapping */
-static inline int map_8250_in_reg(struct uart_8250_port *up, int offset)
+static inline int map_8250_in_reg(struct uart_port *p, int offset)
{
- if (up->port.iotype != UPIO_AU)
+ if (p->iotype != UPIO_AU)
return offset;
return au_io_in_map[offset];
}
-static inline int map_8250_out_reg(struct uart_8250_port *up, int offset)
+static inline int map_8250_out_reg(struct uart_port *p, int offset)
{
- if (up->port.iotype != UPIO_AU)
+ if (p->iotype != UPIO_AU)
return offset;
return au_io_out_map[offset];
}
[UART_SCR] = 0x2c
};
-static inline int map_8250_in_reg(struct uart_8250_port *up, int offset)
+static inline int map_8250_in_reg(struct uart_port *p, int offset)
{
- if (up->port.iotype != UPIO_RM9000)
+ if (p->iotype != UPIO_RM9000)
return offset;
return regmap_in[offset];
}
-static inline int map_8250_out_reg(struct uart_8250_port *up, int offset)
+static inline int map_8250_out_reg(struct uart_port *p, int offset)
{
- if (up->port.iotype != UPIO_RM9000)
+ if (p->iotype != UPIO_RM9000)
return offset;
return regmap_out[offset];
}
#endif
-static unsigned int serial_in(struct uart_8250_port *up, int offset)
+static unsigned int hub6_serial_in(struct uart_port *p, int offset)
{
- unsigned int tmp;
- offset = map_8250_in_reg(up, offset) << up->port.regshift;
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ outb(p->hub6 - 1 + offset, p->iobase);
+ return inb(p->iobase + 1);
+}
- switch (up->port.iotype) {
- case UPIO_HUB6:
- outb(up->port.hub6 - 1 + offset, up->port.iobase);
- return inb(up->port.iobase + 1);
+static void hub6_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ outb(p->hub6 - 1 + offset, p->iobase);
+ outb(value, p->iobase + 1);
+}
- case UPIO_MEM:
- case UPIO_DWAPB:
- return readb(up->port.membase + offset);
+static unsigned int mem_serial_in(struct uart_port *p, int offset)
+{
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ return readb(p->membase + offset);
+}
- case UPIO_RM9000:
- case UPIO_MEM32:
- return readl(up->port.membase + offset);
+static void mem_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ writeb(value, p->membase + offset);
+}
+
+static void mem32_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ writel(value, p->membase + offset);
+}
+
+static unsigned int mem32_serial_in(struct uart_port *p, int offset)
+{
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ return readl(p->membase + offset);
+}
#ifdef CONFIG_SERIAL_8250_AU1X00
- case UPIO_AU:
- return __raw_readl(up->port.membase + offset);
+static unsigned int au_serial_in(struct uart_port *p, int offset)
+{
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ return __raw_readl(p->membase + offset);
+}
+
+static void au_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ __raw_writel(value, p->membase + offset);
+}
#endif
- case UPIO_TSI:
- if (offset == UART_IIR) {
- tmp = readl(up->port.membase + (UART_IIR & ~3));
- return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
- } else
- return readb(up->port.membase + offset);
+static unsigned int tsi_serial_in(struct uart_port *p, int offset)
+{
+ unsigned int tmp;
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ if (offset == UART_IIR) {
+ tmp = readl(p->membase + (UART_IIR & ~3));
+ return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
+ } else
+ return readb(p->membase + offset);
+}
- default:
- return inb(up->port.iobase + offset);
- }
+static void tsi_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ if (!((offset == UART_IER) && (value & UART_IER_UUE)))
+ writeb(value, p->membase + offset);
}
-static void
-serial_out(struct uart_8250_port *up, int offset, int value)
+static void dwapb_serial_out(struct uart_port *p, int offset, int value)
{
- /* Save the offset before it's remapped */
int save_offset = offset;
- offset = map_8250_out_reg(up, offset) << up->port.regshift;
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ /* Save the LCR value so it can be re-written when a
+ * Busy Detect interrupt occurs. */
+ if (save_offset == UART_LCR) {
+ struct uart_8250_port *up = (struct uart_8250_port *)p;
+ up->lcr = value;
+ }
+ writeb(value, p->membase + offset);
+ /* Read the IER to ensure any interrupt is cleared before
+ * returning from ISR. */
+ if (save_offset == UART_TX || save_offset == UART_IER)
+ value = p->serial_in(p, UART_IER);
+}
- switch (up->port.iotype) {
+static unsigned int io_serial_in(struct uart_port *p, int offset)
+{
+ offset = map_8250_in_reg(p, offset) << p->regshift;
+ return inb(p->iobase + offset);
+}
+
+static void io_serial_out(struct uart_port *p, int offset, int value)
+{
+ offset = map_8250_out_reg(p, offset) << p->regshift;
+ outb(value, p->iobase + offset);
+}
+
+static void set_io_from_upio(struct uart_port *p)
+{
+ switch (p->iotype) {
case UPIO_HUB6:
- outb(up->port.hub6 - 1 + offset, up->port.iobase);
- outb(value, up->port.iobase + 1);
+ p->serial_in = hub6_serial_in;
+ p->serial_out = hub6_serial_out;
break;
case UPIO_MEM:
- writeb(value, up->port.membase + offset);
+ p->serial_in = mem_serial_in;
+ p->serial_out = mem_serial_out;
break;
case UPIO_RM9000:
case UPIO_MEM32:
- writel(value, up->port.membase + offset);
+ p->serial_in = mem32_serial_in;
+ p->serial_out = mem32_serial_out;
break;
#ifdef CONFIG_SERIAL_8250_AU1X00
case UPIO_AU:
- __raw_writel(value, up->port.membase + offset);
+ p->serial_in = au_serial_in;
+ p->serial_out = au_serial_out;
break;
#endif
case UPIO_TSI:
- if (!((offset == UART_IER) && (value & UART_IER_UUE)))
- writeb(value, up->port.membase + offset);
+ p->serial_in = tsi_serial_in;
+ p->serial_out = tsi_serial_out;
break;
case UPIO_DWAPB:
- /* Save the LCR value so it can be re-written when a
- * Busy Detect interrupt occurs. */
- if (save_offset == UART_LCR)
- up->lcr = value;
- writeb(value, up->port.membase + offset);
- /* Read the IER to ensure any interrupt is cleared before
- * returning from ISR. */
- if (save_offset == UART_TX || save_offset == UART_IER)
- value = serial_in(up, UART_IER);
+ p->serial_in = mem_serial_in;
+ p->serial_out = dwapb_serial_out;
break;
default:
- outb(value, up->port.iobase + offset);
+ p->serial_in = io_serial_in;
+ p->serial_out = io_serial_out;
+ break;
}
}
static void
serial_out_sync(struct uart_8250_port *up, int offset, int value)
{
- switch (up->port.iotype) {
+ struct uart_port *p = &up->port;
+ switch (p->iotype) {
case UPIO_MEM:
case UPIO_MEM32:
#ifdef CONFIG_SERIAL_8250_AU1X00
case UPIO_AU:
#endif
case UPIO_DWAPB:
- serial_out(up, offset, value);
- serial_in(up, UART_LCR); /* safe, no side-effects */
+ p->serial_out(p, offset, value);
+ p->serial_in(p, UART_LCR); /* safe, no side-effects */
break;
default:
- serial_out(up, offset, value);
+ p->serial_out(p, offset, value);
}
}
+#define serial_in(up, offset) \
+ (up->port.serial_in(&(up)->port, (offset)))
+#define serial_out(up, offset, value) \
+ (up->port.serial_out(&(up)->port, (offset), (value)))
/*
* We used to support using pause I/O for certain machines. We
* haven't supported this for a while, but just in case it's badly
up->port.membase = old_serial_port[i].iomem_base;
up->port.iotype = old_serial_port[i].io_type;
up->port.regshift = old_serial_port[i].iomem_reg_shift;
+ set_io_from_upio(&up->port);
if (share_irqs)
up->port.flags |= UPF_SHARE_IRQ;
}
*/
int __init early_serial_setup(struct uart_port *port)
{
+ struct uart_port *p;
+
if (port->line >= ARRAY_SIZE(serial8250_ports))
return -ENODEV;
serial8250_isa_init_ports();
- serial8250_ports[port->line].port = *port;
- serial8250_ports[port->line].port.ops = &serial8250_pops;
+ p = &serial8250_ports[port->line].port;
+ p->iobase = port->iobase;
+ p->membase = port->membase;
+ p->irq = port->irq;
+ p->uartclk = port->uartclk;
+ p->fifosize = port->fifosize;
+ p->regshift = port->regshift;
+ p->iotype = port->iotype;
+ p->flags = port->flags;
+ p->mapbase = port->mapbase;
+ p->private_data = port->private_data;
+
+ set_io_from_upio(p);
+ if (port->serial_in)
+ p->serial_in = port->serial_in;
+ if (port->serial_out)
+ p->serial_out = port->serial_out;
+
return 0;
}
port.mapbase = p->mapbase;
port.hub6 = p->hub6;
port.private_data = p->private_data;
+ port.type = p->type;
+ port.serial_in = p->serial_in;
+ port.serial_out = p->serial_out;
port.dev = &dev->dev;
if (share_irqs)
port.flags |= UPF_SHARE_IRQ;
if (port->dev)
uart->port.dev = port->dev;
+ if (port->flags & UPF_FIXED_TYPE) {
+ uart->port.type = port->type;
+ uart->port.fifosize = uart_config[port->type].fifo_size;
+ uart->capabilities = uart_config[port->type].flags;
+ uart->tx_loadsz = uart_config[port->type].tx_loadsz;
+ }
+
+ set_io_from_upio(&uart->port);
+ /* Possibly override default I/O functions. */
+ if (port->serial_in)
+ uart->port.serial_in = port->serial_in;
+ if (port->serial_out)
+ uart->port.serial_out = port->serial_out;
+
ret = uart_add_one_port(&serial8250_reg, &uart->port);
if (ret == 0)
ret = uart->port.line;
if (nr_uarts > UART_NR)
nr_uarts = UART_NR;
- printk(KERN_INFO "Serial: 8250/16550 driver"
+ printk(KERN_INFO "Serial: 8250/16550 driver, "
"%d ports, IRQ sharing %sabled\n", nr_uarts,
share_irqs ? "en" : "dis");
projects / linux-2.6-omap-h63xx.git / blobdiff