Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 94341475 authored by Angelo Butti's avatar Angelo Butti Committed by Greg Kroah-Hartman
Browse files

serial: 8250_pci: add Pericom PCIe Serial board Support (12d8:7952/4/8) - Chip PI7C9X7952/4/8 



Signed-off-by: default avatarAngelo Butti <buttiangelo@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 37cd940b

drivers/tty/serial/8250/8250_pci.c

+48 −0
Original line number Diff line number Diff line
@@ -1307,6 +1307,29 @@ static int pci_default_setup(struct serial_private *priv, 
	return setup_port(priv, port, bar, offset, board->reg_shift);

}



static int pci_pericom_setup(struct serial_private *priv,

		  const struct pciserial_board *board,

		  struct uart_8250_port *port, int idx)

{

	unsigned int bar, offset = board->first_offset, maxnr;



	bar = FL_GET_BASE(board->flags);

	if (board->flags & FL_BASE_BARS)

		bar += idx;

	else

		offset += idx * board->uart_offset;



	maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) >>

		(board->reg_shift + 3);



	if (board->flags & FL_REGION_SZ_CAP && idx >= maxnr)

		return 1;



	port->port.uartclk = 14745600;



	return setup_port(priv, port, bar, offset, board->reg_shift);

}



static int

ce4100_serial_setup(struct serial_private *priv,

		  const struct pciserial_board *board,
@@ -2015,6 +2038,31 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { 
		.setup		= pci_default_setup,

		.exit		= pci_plx9050_exit,

	},

	/*

	 * Pericom

	 */

	{

		.vendor		= 0x12d8,

		.device		= 0x7952,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_pericom_setup,

	},

	{

		.vendor		= 0x12d8,

		.device		= 0x7954,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_pericom_setup,

	},

	{

		.vendor		= 0x12d8,

		.device		= 0x7958,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_pericom_setup,

	},



	/*

	 * PLX

	 */