linux-kernel - Re: [PATCH 3/6] serial/ce4100: Add PCI UART support for the ce4100

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Message-ID: <4CD9C322.2080503@gmail.com>
Date:	Tue, 09 Nov 2010 13:54:42 -0800
From:	Dirk Brandewie <dirk.brandewie@...il.com>
To:	Greg KH <greg@...ah.com>
CC:	linux-kernel@...r.kernel.org, dirk.brandewie@...il.com,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH 3/6] serial/ce4100: Add PCI UART support for the ce4100

On 11/09/2010 01:14 PM, Greg KH wrote:
> On Tue, Nov 09, 2010 at 12:08:06PM -0800, dirk.brandewie@...il.com wrote:
>> From: Dirk Brandewie<dirk.brandewie@...il.com>
>>
>> This patch adds support for the PCI UART on the ce4100.
>>
>> Signed-off-by: Dirk Brandewie<dirk.brandewie@...il.com>
>> CC: linux-serial@...r.kernel.org
>> ---
>>   drivers/serial/8250_pci.c |   35 +++++++++++++++++++++++++++++++++++
>>   include/linux/pci_ids.h   |    1 +
> 
> You did read the top of pci_ids.h right?  Why are you adding new ids
> that are only used by one file?
> 
I have now. Here is a replacement patch for the UART. I will update the 
USB patch as well.

--Dirk

Subject: [PATCH] serial/ce4100: Add PCI UART support for the ce4100

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

Signed-off-by: Dirk Brandewie <dirk.brandewie@...il.com>
CC: linux-serial@...r.kernel.org
---
 drivers/serial/8250_pci.c |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 53be4d3..12e6f81 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -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)
@@ -1072,6 +1088,13 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 		.subdevice	= PCI_ANY_ID,
 		.setup		= skip_tx_en_setup,
 	},
+	{
+		.vendor		= PCI_VENDOR_ID_INTEL,
+		.device		= 0x2e66,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+		.setup		= ce4100_serial_setup,
+	},
 	/*
 	 * ITE
 	 */
@@ -1592,6 +1615,7 @@ 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 +2305,12 @@ 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 +3790,11 @@ 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, 0x2e66,
+		PCI_ANY_ID,  PCI_ANY_ID, 0, 0,
+		pbn_ce4100_1_115200 },
+
 
 	/*
 	 * These entries match devices with class COMMUNICATION_SERIAL,
-- 
1.7.2.3

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