diff options
Diffstat (limited to 'drivers/tty/serial/8250/8250_exar.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 83 |
1 files changed, 78 insertions, 5 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index f489f25643c5..9af4266eff96 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -24,11 +24,15 @@ #include "8250.h" -#define PCI_DEVICE_ID_COMMTECH_4224PCIE 0x0020 -#define PCI_DEVICE_ID_COMMTECH_4228PCIE 0x0021 -#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 -#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358 -#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358 +#define PCI_DEVICE_ID_COMMTECH_4224PCI335 0x0002 +#define PCI_DEVICE_ID_COMMTECH_4222PCI335 0x0004 +#define PCI_DEVICE_ID_COMMTECH_2324PCI335 0x000a +#define PCI_DEVICE_ID_COMMTECH_2328PCI335 0x000b +#define PCI_DEVICE_ID_COMMTECH_4224PCIE 0x0020 +#define PCI_DEVICE_ID_COMMTECH_4228PCIE 0x0021 +#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 +#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358 +#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358 #define UART_EXAR_MPIOINT_7_0 0x8f /* MPIOINT[7:0] */ #define UART_EXAR_MPIOLVL_7_0 0x90 /* MPIOLVL[7:0] */ @@ -84,6 +88,55 @@ static int default_setup(struct exar8250 *priv, struct pci_dev *pcidev, } static int +pci_fastcom335_setup(struct exar8250 *priv, struct pci_dev *pcidev, + struct uart_8250_port *port, int idx) +{ + unsigned int offset = idx * 0x200; + unsigned int baud = 1843200; + u8 __iomem *p; + int err; + + port->port.flags |= UPF_EXAR_EFR; + port->port.uartclk = baud * 16; + + err = default_setup(priv, pcidev, idx, offset, port); + if (err) + return err; + + p = port->port.membase; + + writeb(0x00, p + UART_EXAR_8XMODE); + writeb(UART_FCTR_EXAR_TRGD, p + UART_EXAR_FCTR); + writeb(32, p + UART_EXAR_TXTRG); + writeb(32, p + UART_EXAR_RXTRG); + + /* + * Setup Multipurpose Input/Output pins. + */ + if (idx == 0) { + switch (pcidev->device) { + case PCI_DEVICE_ID_COMMTECH_4222PCI335: + case PCI_DEVICE_ID_COMMTECH_4224PCI335: + writeb(0x78, p + UART_EXAR_MPIOLVL_7_0); + writeb(0x00, p + UART_EXAR_MPIOINV_7_0); + writeb(0x00, p + UART_EXAR_MPIOSEL_7_0); + break; + case PCI_DEVICE_ID_COMMTECH_2324PCI335: + case PCI_DEVICE_ID_COMMTECH_2328PCI335: + writeb(0x00, p + UART_EXAR_MPIOLVL_7_0); + writeb(0xc0, p + UART_EXAR_MPIOINV_7_0); + writeb(0xc0, p + UART_EXAR_MPIOSEL_7_0); + break; + } + writeb(0x00, p + UART_EXAR_MPIOINT_7_0); + writeb(0x00, p + UART_EXAR_MPIO3T_7_0); + writeb(0x00, p + UART_EXAR_MPIOOD_7_0); + } + + return 0; +} + +static int pci_connect_tech_setup(struct exar8250 *priv, struct pci_dev *pcidev, struct uart_8250_port *port, int idx) { @@ -291,6 +344,21 @@ static int __maybe_unused exar_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume); +static const struct exar8250_board pbn_fastcom335_2 = { + .num_ports = 2, + .setup = pci_fastcom335_setup, +}; + +static const struct exar8250_board pbn_fastcom335_4 = { + .num_ports = 4, + .setup = pci_fastcom335_setup, +}; + +static const struct exar8250_board pbn_fastcom335_8 = { + .num_ports = 8, + .setup = pci_fastcom335_setup, +}; + static const struct exar8250_board pbn_connect = { .setup = pci_connect_tech_setup, }; @@ -375,6 +443,11 @@ static struct pci_device_id exar_pci_tbl[] = { EXAR_DEVICE(COMMTECH, COMMTECH_4222PCIE, pbn_exar_XR17V35x), EXAR_DEVICE(COMMTECH, COMMTECH_4224PCIE, pbn_exar_XR17V35x), EXAR_DEVICE(COMMTECH, COMMTECH_4228PCIE, pbn_exar_XR17V35x), + + EXAR_DEVICE(COMMTECH, COMMTECH_4222PCI335, pbn_fastcom335_2), + EXAR_DEVICE(COMMTECH, COMMTECH_4224PCI335, pbn_fastcom335_4), + EXAR_DEVICE(COMMTECH, COMMTECH_2324PCI335, pbn_fastcom335_4), + EXAR_DEVICE(COMMTECH, COMMTECH_2328PCI335, pbn_fastcom335_8), { 0, } }; MODULE_DEVICE_TABLE(pci, exar_pci_tbl); |