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Date: Wed, 12 Nov 2008 10:33:45 +0300
From: Andrey Panin <pazke@...pac.ru>
To: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] 8250: Oxford Semiconductor Devices
On 291, 10 17, 2008 at 08:28:44PM +0100, Alan Cox wrote:
> From: Lee Howard <lee.howard@...npine.com>
>
> Add support for the OxSemi 'Tornado' devices.
>
> Orginal from Lee Howard
> Reformatted and reworked a bit by Alan Cox
>
>
> Signed-off-by: Lee Howard <lee.howard@...npine.com>
> Signed-off-by: Alan Cox <alan@...hat.com>
> ---
>
> drivers/parport/parport_pc.c | 20 ++++
> drivers/serial/8250_pci.c | 211 ++++++++++++++++++++++++++++++++++++++++++
> include/linux/pci_ids.h | 8 ++
> 3 files changed, 238 insertions(+), 1 deletions(-)
>
>
> diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
> index 8a846ad..96f3bdf 100644
> --- a/drivers/parport/parport_pc.c
> +++ b/drivers/parport/parport_pc.c
> @@ -2791,6 +2791,7 @@ enum parport_pc_pci_cards {
> oxsemi_952,
> oxsemi_954,
> oxsemi_840,
> + oxsemi_pcie_pport,
> aks_0100,
> mobility_pp,
> netmos_9705,
> @@ -2868,6 +2869,7 @@ static struct parport_pc_pci {
> /* oxsemi_952 */ { 1, { { 0, 1 }, } },
> /* oxsemi_954 */ { 1, { { 0, -1 }, } },
> /* oxsemi_840 */ { 1, { { 0, 1 }, } },
> + /* oxsemi_pcie_pport */ { 1, { { 0, 1 }, } },
> /* aks_0100 */ { 1, { { 0, -1 }, } },
> /* mobility_pp */ { 1, { { 0, 1 }, } },
> /* netmos_9705 */ { 1, { { 0, -1 }, } }, /* untested */
> @@ -2928,7 +2930,6 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
> { 0x1409, 0x7268, 0x1409, 0x0103, 0, 0, timedia_4008a },
> { 0x1409, 0x7268, 0x1409, 0x0104, 0, 0, timedia_4018 },
> { 0x1409, 0x7268, 0x1409, 0x9018, 0, 0, timedia_9018a },
> - { 0x14f2, 0x0121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, mobility_pp },
> { PCI_VENDOR_ID_SYBA, PCI_DEVICE_ID_SYBA_2P_EPP,
> PCI_ANY_ID, PCI_ANY_ID, 0, 0, syba_2p_epp },
> { PCI_VENDOR_ID_SYBA, PCI_DEVICE_ID_SYBA_1P_ECP,
> @@ -2946,8 +2947,25 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
> PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_954 },
> { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_12PCI840,
> PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_840 },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe840,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe840_G,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_0,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_0_G,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_G,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_U,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_GU,
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
> { PCI_VENDOR_ID_AKS, PCI_DEVICE_ID_AKS_ALADDINCARD,
> PCI_ANY_ID, PCI_ANY_ID, 0, 0, aks_0100 },
> + { 0x14f2, 0x0121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, mobility_pp },
> /* NetMos communication controllers */
> { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9705,
> PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9705 },
> diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
> index c014ffb..43c990a 100644
> --- a/drivers/serial/8250_pci.c
> +++ b/drivers/serial/8250_pci.c
> @@ -1100,6 +1100,8 @@ enum pci_board_num_t {
> pbn_b0_4_1843200_200,
> pbn_b0_8_1843200_200,
>
> + pbn_b0_1_4000000,
> +
> pbn_b0_bt_1_115200,
> pbn_b0_bt_2_115200,
> pbn_b0_bt_8_115200,
> @@ -1167,6 +1169,10 @@ enum pci_board_num_t {
> pbn_exsys_4055,
> pbn_plx_romulus,
> pbn_oxsemi,
> + pbn_oxsemi_1_4000000,
> + pbn_oxsemi_2_4000000,
> + pbn_oxsemi_4_4000000,
> + pbn_oxsemi_8_4000000,
> pbn_intel_i960,
> pbn_sgi_ioc3,
> pbn_computone_4,
> @@ -1290,6 +1296,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
> .base_baud = 1843200,
> .uart_offset = 0x200,
> },
> + [pbn_b0_1_4000000] = {
> + .flags = FL_BASE0,
> + .num_ports = 1,
> + .base_baud = 4000000,
> + .uart_offset = 8,
> + },
>
> [pbn_b0_bt_1_115200] = {
> .flags = FL_BASE0|FL_BASE_BARS,
> @@ -1625,6 +1637,35 @@ static struct pciserial_board pci_boards[] __devinitdata = {
> .base_baud = 115200,
> .uart_offset = 8,
> },
> + [pbn_oxsemi_1_4000000] = {
> + .flags = FL_BASE0,
> + .num_ports = 1,
> + .base_baud = 4000000,
> + .uart_offset = 0x200,
> + .first_offset = 0x1000,
> + },
> + [pbn_oxsemi_2_4000000] = {
> + .flags = FL_BASE0,
> + .num_ports = 2,
> + .base_baud = 4000000,
> + .uart_offset = 0x200,
> + .first_offset = 0x1000,
> + },
> + [pbn_oxsemi_4_4000000] = {
> + .flags = FL_BASE0,
> + .num_ports = 4,
> + .base_baud = 4000000,
> + .uart_offset = 0x200,
> + .first_offset = 0x1000,
> + },
> + [pbn_oxsemi_8_4000000] = {
> + .flags = FL_BASE0,
> + .num_ports = 8,
> + .base_baud = 4000000,
> + .uart_offset = 0x200,
> + .first_offset = 0x1000,
> + },
> +
>
> /*
> * EKF addition for i960 Boards form EKF with serial port.
> @@ -1813,6 +1854,34 @@ serial_pci_matches(struct pciserial_board *board,
> board->first_offset == guessed->first_offset;
> }
>
> +/*
> + * Oxford Semiconductor Inc.
> + * Check that device is part of the Tornado range of devices, then determine
> + * the number of ports available on the device.
> + */
> +static int pci_oxsemi_tornado_init(struct pci_dev *dev, struct pciserial_board *board)
> +{
> + u8 __iomem *p;
> + unsigned long deviceID;
> + unsigned int number_uarts;
> +
> + p = pci_iomap(dev, 0, 5);
> + if (p == NULL)
> + return -ENOMEM;
> +
> + deviceID = ioread32(p);
> + /* Tornado device */
> + if (deviceID == 0x07000200) {
> + number_uarts = ioread8(p + 4);
> + board->num_ports = number_uarts;
> + printk(KERN_DEBUG
> + "%d ports detected on Oxford PCI Express device\n",
> + number_uarts);
> + }
> + pci_iounmap(dev, p);
> + return 0;
> +}
> +
> struct serial_private *
> pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
> {
> @@ -1821,6 +1890,12 @@ pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
> struct pci_serial_quirk *quirk;
> int rc, nr_ports, i;
>
> + /*
> + * Find number of ports on board
> + */
> + if (dev->vendor == PCI_VENDOR_ID_OXSEMI)
> + pci_oxsemi_tornado_init(dev, board);
> +
WTF is this ? Why existing pci_serial_quirks[] infrastructure isn't used here ?
> nr_ports = board->num_ports;
>
> /*
> @@ -2300,6 +2375,142 @@ static struct pci_device_id serial_pci_tbl[] = {
> PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> pbn_b0_bt_2_921600 },
>
> + /*
> + * Oxford Semiconductor Inc. Tornado PCI express device range.
> + */
> + { PCI_VENDOR_ID_OXSEMI, 0xc101, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc105, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc11b, /* OXPCIe952 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc11f, /* OXPCIe952 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc120, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc124, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc138, /* OXPCIe952 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc13d, /* OXPCIe952 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc140, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc141, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc144, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc145, /* OXPCIe952 1 Legacy UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_b0_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc158, /* OXPCIe952 2 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_2_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc15d, /* OXPCIe952 2 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_2_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc208, /* OXPCIe954 4 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_4_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc20d, /* OXPCIe954 4 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_4_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc308, /* OXPCIe958 8 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_8_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc30d, /* OXPCIe958 8 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_8_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc40b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc40f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc41b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc41f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc42b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc42f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc43b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc43f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc44b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc44f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc45b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc45f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc46b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc46f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc47b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc47f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc48b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc48f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc49b, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc49f, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4ab, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4af, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4bb, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4bf, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4cb, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> + { PCI_VENDOR_ID_OXSEMI, 0xc4cf, /* OXPCIe200 1 Native UART */
> + PCI_ANY_ID, PCI_ANY_ID, 0, 0,
> + pbn_oxsemi_1_4000000 },
> +
> /*
> * SBS Technologies, Inc. P-Octal and PMC-OCTPRO cards,
> * from skokodyn@...oo.com
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 8edddc2..df6e42b 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -1944,6 +1944,14 @@
>
> #define PCI_VENDOR_ID_OXSEMI 0x1415
> #define PCI_DEVICE_ID_OXSEMI_12PCI840 0x8403
> +#define PCI_DEVICE_ID_OXSEMI_PCIe840 0xC000
> +#define PCI_DEVICE_ID_OXSEMI_PCIe840_G 0xC004
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_0 0xC100
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_0_G 0xC104
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_1 0xC110
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_G 0xC114
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_U 0xC118
> +#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_GU 0xC11C
> #define PCI_DEVICE_ID_OXSEMI_16PCI954 0x9501
> #define PCI_DEVICE_ID_OXSEMI_16PCI95N 0x9511
> #define PCI_DEVICE_ID_OXSEMI_16PCI954PP 0x9513
>
> --
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