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Serial: ce4100: Add PCI UART support for the ce4100

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This patch adds support for the PCI UART on the ce4100.

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dirk Brandewie 2010-11-17 07:35:20 -08:00 committed by Greg Kroah-Hartman
parent 83abd0d897
commit 095e24b0ea
1 changed files with 36 additions and 0 deletions
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36
drivers/serial/8250_pci.c
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@ -957,6 +957,22 @@ pci_default_setup(struct serial_private *priv,
return setup_port(priv, port, bar, offset, board->reg_shift);
}
static int
ce4100_serial_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_port *port, int idx)
{
int ret;
ret = setup_port(priv, port, 0, 0, board->reg_shift);
port->iotype = UPIO_MEM32;
port->type = PORT_XSCALE;
port->flags = (port->flags | UPF_FIXED_PORT | UPF_FIXED_TYPE);
port->regshift = 2;
return ret;
}
static int skip_tx_en_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_port *port, int idx)
@ -981,6 +997,7 @@ static int skip_tx_en_setup(struct serial_private *priv,
#define PCI_SUBDEVICE_ID_POCTAL232 0x0308
#define PCI_SUBDEVICE_ID_POCTAL422 0x0408
#define PCI_VENDOR_ID_ADVANTECH 0x13fe
#define PCI_DEVICE_ID_INTEL_CE4100_UART 0x2e66
#define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620
#define PCI_DEVICE_ID_TITAN_200I 0x8028
#define PCI_DEVICE_ID_TITAN_400I 0x8048
@ -1072,6 +1089,13 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.subdevice = PCI_ANY_ID,
.setup = skip_tx_en_setup,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CE4100_UART,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.setup = ce4100_serial_setup,
},
/*
* ITE
*/
@ -1592,6 +1616,7 @@ enum pci_board_num_t {
pbn_ADDIDATA_PCIe_2_3906250,
pbn_ADDIDATA_PCIe_4_3906250,
pbn_ADDIDATA_PCIe_8_3906250,
pbn_ce4100_1_115200,
};
/*
@ -2281,6 +2306,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
.uart_offset = 0x200,
.first_offset = 0x1000,
},
[pbn_ce4100_1_115200] = {
.flags = FL_BASE0,
.num_ports = 1,
.base_baud = 921600,
.reg_shift = 2,
},
};
static const struct pci_device_id softmodem_blacklist[] = {
@ -3760,6 +3791,11 @@ static struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
0xA000, 0x3004,
0, 0, pbn_b0_bt_4_115200 },
/* Intel CE4100 */
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CE4100_UART,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_ce4100_1_115200 },
/*
* These entries match devices with class COMMUNICATION_SERIAL,