unspecified, the h/w is not initialized.
pl011,<addr>
+ pl011,mmio32,<addr>
Start an early, polled-mode console on a pl011 serial
port at the specified address. The pl011 serial port
must already be setup and configured. Options are not
- yet supported.
+ yet supported. If 'mmio32' is specified, then only
+ the driver will use only 32-bit accessors to read/write
+ the device registers.
msm_serial,<addr>
Start an early, polled-mode console on an msm serial
unsigned int fifosize; /* vendor-specific */
unsigned int old_cr; /* state during shutdown */
bool autorts;
- bool access_32b;
unsigned int fixed_baud; /* vendor-set fixed baud rate */
char type[12];
#ifdef CONFIG_DMA_ENGINE
{
void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg);
- return uap->access_32b ? readl_relaxed(addr) : readw_relaxed(addr);
+ return (uap->port.iotype == UPIO_MEM32) ?
+ readl_relaxed(addr) : readw_relaxed(addr);
}
static void pl011_write(unsigned int val, const struct uart_amba_port *uap,
{
void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg);
- if (uap->access_32b)
+ if (uap->port.iotype == UPIO_MEM32)
writel_relaxed(val, addr);
else
writew_relaxed(val, addr);
{
while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
;
- writeb(c, port->membase + UART01x_DR);
+ if (port->iotype == UPIO_MEM32)
+ writel(c, port->membase + UART01x_DR);
+ else
+ writeb(c, port->membase + UART01x_DR);
while (readl(port->membase + UART01x_FR) & UART01x_FR_BUSY)
;
}
uap->port.dev = dev;
uap->port.mapbase = mmiobase->start;
uap->port.membase = base;
- uap->port.iotype = UPIO_MEM;
uap->port.fifosize = uap->fifosize;
uap->port.flags = UPF_BOOT_AUTOCONF;
uap->port.line = index;
return PTR_ERR(uap->clk);
uap->reg_offset = vendor->reg_offset;
- uap->access_32b = vendor->access_32b;
uap->vendor = vendor;
uap->fifosize = vendor->get_fifosize(dev);
+ uap->port.iotype = vendor->access_32b ? UPIO_MEM32 : UPIO_MEM;
uap->port.irq = dev->irq[0];
uap->port.ops = &amba_pl011_pops;
return -ENOMEM;
uap->reg_offset = vendor_sbsa.reg_offset;
- uap->access_32b = vendor_sbsa.access_32b;
uap->vendor = &vendor_sbsa;
uap->fifosize = 32;
+ uap->port.iotype = vendor_sbsa.access_32b ? UPIO_MEM32 : UPIO_MEM;
uap->port.irq = platform_get_irq(pdev, 0);
uap->port.ops = &sbsa_uart_pops;
uap->fixed_baud = baudrate;