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From: Ben Hutchings <ben@decadent.org.uk>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: akpm@linux-foundation.org, Ley Foon Tan <lftan@altera.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [ 58/82] tty/serial: Add support for Altera serial port
Date: Mon, 18 Mar 2013 04:22:42 +0000	[thread overview]
Message-ID: <20130318042149.861860213@decadent.org.uk> (raw)
In-Reply-To: <20130318042144.234468645@decadent.org.uk>

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ley Foon Tan <lftan@altera.com>

commit e06c93cacb82dd147266fd1bdb2d0a0bd45ff2c1 upstream.

Add support for Altera 8250/16550 compatible serial port.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust filenames, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt
+++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
@@ -10,6 +10,9 @@ Required properties:
 	- "ns16850"
 	- "nvidia,tegra20-uart"
 	- "ibm,qpace-nwp-serial"
+	- "altr,16550-FIFO32"
+	- "altr,16550-FIFO64"
+	- "altr,16550-FIFO128"
 	- "serial" if the port type is unknown.
 - reg : offset and length of the register set for the device.
 - interrupts : should contain uart interrupt.
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -322,6 +322,27 @@ static const struct serial8250_config ua
 		.tx_loadsz	= 1024,
 		.flags		= UART_CAP_HFIFO,
 	},
+	[PORT_ALTR_16550_F32] = {
+		.name		= "Altera 16550 FIFO32",
+		.fifo_size	= 32,
+		.tx_loadsz	= 32,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
+	[PORT_ALTR_16550_F64] = {
+		.name		= "Altera 16550 FIFO64",
+		.fifo_size	= 64,
+		.tx_loadsz	= 64,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
+	[PORT_ALTR_16550_F128] = {
+		.name		= "Altera 16550 FIFO128",
+		.fifo_size	= 128,
+		.tx_loadsz	= 128,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
 };
 
 #if defined(CONFIG_MIPS_ALCHEMY)
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -182,6 +182,12 @@ static struct of_device_id __devinitdata
 	{ .compatible = "ns16750",  .data = (void *)PORT_16750, },
 	{ .compatible = "ns16850",  .data = (void *)PORT_16850, },
 	{ .compatible = "nvidia,tegra20-uart", .data = (void *)PORT_TEGRA, },
+	{ .compatible = "altr,16550-FIFO32",
+		.data = (void *)PORT_ALTR_16550_F32, },
+	{ .compatible = "altr,16550-FIFO64",
+		.data = (void *)PORT_ALTR_16550_F64, },
+	{ .compatible = "altr,16550-FIFO128",
+		.data = (void *)PORT_ALTR_16550_F128, },
 #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
 	{ .compatible = "ibm,qpace-nwp-serial",
 		.data = (void *)PORT_NWPSERIAL, },
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -48,7 +48,10 @@
 #define PORT_TEGRA	20	/* NVIDIA Tegra internal UART */
 #define PORT_XR17D15X	21	/* Exar XR17D15x UART */
 #define PORT_BRCM_TRUMANAGE	25
-#define PORT_MAX_8250	25	/* max port ID */
+#define PORT_ALTR_16550_F32 26	/* Altera 16550 UART with 32 FIFOs */
+#define PORT_ALTR_16550_F64 27	/* Altera 16550 UART with 64 FIFOs */
+#define PORT_ALTR_16550_F128 28 /* Altera 16550 UART with 128 FIFOs */
+#define PORT_MAX_8250	28	/* max port ID */
 
 /*
  * ARM specific type numbers.  These are not currently guaranteed



  parent reply	other threads:[~2013-03-18  4:22 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-18  4:21 [ 00/82] 3.2.41-stable review Ben Hutchings
2013-03-18  4:21 ` [ 01/82] Revert "powerpc/eeh: Fix crash when adding a device in a slot with DDW" Ben Hutchings
2013-03-18  4:21 ` [ 02/82] btrfs: Init io_lock after cloning btrfs device struct Ben Hutchings
2013-03-18  4:21 ` [ 03/82] md: protect against crash upon fsync on ro array Ben Hutchings
2013-03-18  4:21 ` [ 04/82] NFS: Dont allow NFS silly-renamed files to be deleted, no signal Ben Hutchings
2013-03-18  4:21 ` [ 05/82] SUNRPC: Dont start the retransmission timer when out of socket space Ben Hutchings
2013-03-18  4:21 ` [ 06/82] [SCSI] storvsc: Initialize the sglist Ben Hutchings
2013-03-18  4:21 ` [ 07/82] [SCSI] dc395x: uninitialized variable in device_alloc() Ben Hutchings
2013-03-18  4:21 ` [ 08/82] ARM: VFP: fix emulation of second VFP instruction Ben Hutchings
2013-03-18  4:21 ` [ 09/82] ARM: fix scheduling while atomic warning in alignment handling code Ben Hutchings
2013-03-18  4:21 ` [ 10/82] md: fix two bugs when attempting to resize RAID0 array Ben Hutchings
2013-03-18  4:21 ` [ 11/82] md: raid0: fix error return from create_stripe_zones Ben Hutchings
2013-03-18  4:21 ` [ 12/82] proc connector: reject unprivileged listener bumps Ben Hutchings
2013-03-18  4:21 ` [ 13/82] ath9k: fix RSSI dummy marker value Ben Hutchings
2013-03-18  4:21 ` [ 14/82] ath9k_htc: fix signal strength handling issues Ben Hutchings
2013-03-18  4:21 ` [ 15/82] mwifiex: correct sleep delay counter Ben Hutchings
2013-03-18  4:22 ` [ 16/82] cifs: ensure that cifs_get_root() only traverses directories Ben Hutchings
2013-03-18  4:22 ` [ 17/82] xen/pci: We dont do multiple MSIs Ben Hutchings
2013-03-18  4:22 ` [ 18/82] dm: fix truncated status strings Ben Hutchings
2013-03-18  4:22 ` [ 19/82] dm snapshot: add missing module aliases Ben Hutchings
2013-03-18  4:22 ` [ 20/82] drm/i915: Dont clobber crtc->fb when queue_flip fails Ben Hutchings
2013-03-18  4:22 ` [ 21/82] ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit Ben Hutchings
2013-03-18  4:22 ` [ 22/82] hwmon: (pmbus/ltc2978) Fix peak attribute handling Ben Hutchings
2013-03-18  4:22 ` [ 23/82] hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality Ben Hutchings
2013-03-18  4:22 ` [ 24/82] hwmon: (sht15) Check return value of regulator_enable() Ben Hutchings
2013-03-18  4:22 ` [ 25/82] hw_random: make buffer usable in scatterlist Ben Hutchings
2013-03-18  4:22 ` [ 26/82] ALSA: vmaster: Fix slave change notification Ben Hutchings
2013-03-18  4:22 ` [ 27/82] drm/radeon: add primary dac adj quirk for R200 board Ben Hutchings
2013-03-18  4:22 ` [ 28/82] dmi_scan: fix missing check for _DMI_ signature in smbios_present() Ben Hutchings
2013-03-18  4:22 ` [ 29/82] iwlwifi: always copy first 16 bytes of commands Ben Hutchings
2013-03-18  4:22 ` [ 30/82] HID: add support for Sony RF receiver with USB product id 0x0374 Ben Hutchings
2013-03-18  4:22 ` [ 31/82] HID: clean up quirk for Sony RF receivers Ben Hutchings
2013-03-18  4:22 ` [ 32/82] ahci: AHCI-mode SATA patch for Intel Lynx Point DeviceIDs Ben Hutchings
2013-03-18  4:22 ` [ 33/82] ahci: Add Device IDs for Intel Lynx Point-LP PCH Ben Hutchings
2013-03-18  4:22 ` [ 34/82] ahci: AHCI-mode SATA patch for Intel Avoton DeviceIDs Ben Hutchings
2013-03-18  4:22 ` [ 35/82] ahci: Add Device IDs for Intel Wellsburg PCH Ben Hutchings
2013-03-18  4:22 ` [ 36/82] iommu/amd: Initialize device table after dma_ops Ben Hutchings
2013-03-18  4:22 ` [ 37/82] tty: Correct tty buffer flush Ben Hutchings
2013-03-18  4:22 ` [ 38/82] efi_pstore: Check remaining space with QueryVariableInfo() before writing data Ben Hutchings
2013-03-18  4:22 ` [ 39/82] efivars: Disable external interrupt while holding efivars->lock Ben Hutchings
2013-03-18  4:22 ` [ 40/82] efi: be more paranoid about available space when creating variables Ben Hutchings
2013-03-18  4:22 ` [ 41/82] ftrace: Update the kconfig for DYNAMIC_FTRACE Ben Hutchings
2013-03-18  4:22 ` [ 42/82] decnet: Fix disappearing sysctl entries Ben Hutchings
2013-03-18  4:22 ` [ 43/82] Fix memory leak in cpufreq stats Ben Hutchings
2013-03-18  4:22 ` [ 44/82] vfs: fix pipe counter breakage Ben Hutchings
2013-03-18  4:22 ` [ 45/82] USB: EHCI: dont check DMA values in QH overlays Ben Hutchings
2013-03-19  3:09   ` Ben Hutchings
2013-03-19 15:27     ` Alan Stern
2013-03-19 20:31       ` Ben Hutchings
2013-03-18  4:22 ` [ 46/82] xen/pciback: Dont disable a PCI device that is already disabled Ben Hutchings
2013-03-18  4:22 ` [ 47/82] USB: option: add Huawei E5331 Ben Hutchings
2013-03-18  4:22 ` [ 48/82] USB: storage: fix Huawei mode switching regression Ben Hutchings
2013-03-18  4:22 ` [ 49/82] USB: added support for Cinterions products AH6 and PLS8 Ben Hutchings
2013-03-18  4:22 ` [ 50/82] e1000e: fix pci-device enable-counter balance Ben Hutchings
2013-03-18  4:22 ` [ 51/82] virtio: rng: disallow multiple device registrations, fixes crashes Ben Hutchings
2013-03-18  4:22 ` [ 52/82] ALSA: seq: Fix missing error handling in snd_seq_timer_open() Ben Hutchings
2013-03-18  4:22 ` [ 53/82] usb: cp210x new Vendor/Device IDs Ben Hutchings
2013-03-18  4:22 ` [ 54/82] staging: vt6656: Fix oops on resume from suspend Ben Hutchings
2013-03-18  4:22 ` [ 55/82] qcaux: add Franklin U600 Ben Hutchings
2013-03-18  4:22 ` [ 56/82] ext3: Fix format string issues Ben Hutchings
2013-03-18  4:22 ` [ 57/82] keys: fix race with concurrent install_user_keyrings() Ben Hutchings
2013-03-18  4:22 ` Ben Hutchings [this message]
2013-03-18  4:22 ` [ 59/82] Fix 4 port and add support for 8 port Unknown PCI serial port cards Ben Hutchings
2013-03-18  4:22 ` [ 60/82] serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller Ben Hutchings
2013-03-18  4:22 ` [ 61/82] tty: serial: fix typo "ARCH_S5P6450" Ben Hutchings
2013-03-18  4:22 ` [ 62/82] usb: serial: Add Rigblaster Advantage to device table Ben Hutchings
2013-03-18  4:22 ` [ 63/82] w1: fix oops when w1_search is called from netlink connector Ben Hutchings
2013-03-18  4:22 ` [ 64/82] USB: cdc-wdm: fix buffer overflow Ben Hutchings
2013-03-18  4:22 ` [ 65/82] signal: always clear sa_restorer on execve Ben Hutchings
2013-03-18  4:22 ` [ 66/82] hwmon: (lineage-pem) Add missing terminating entry for pem_[input|fan]_attributes Ben Hutchings
2013-03-18  4:22 ` [ 67/82] hwmon: (pmbus/ltc2978) Fix temperature reporting Ben Hutchings
2013-03-18  4:22 ` [ 68/82] crypto: user - fix info leaks in report API Ben Hutchings
2013-03-18  4:22 ` [ 69/82] Fix: compat_rw_copy_check_uvector() misuse in aio, readv, writev, and security keys Ben Hutchings
2013-03-18  4:22 ` [ 70/82] USB: Dont use EHCI port sempahore for USB 3.0 hubs Ben Hutchings
2013-03-18  4:22 ` [ 71/82] USB: Prepare for refactoring by adding extra udev checks Ben Hutchings
2013-03-18  4:22 ` [ 72/82] USB: Rip out recursive call on warm port reset Ben Hutchings
2013-03-18  4:22 ` [ 73/82] USB: Fix connected device switch to Inactive state Ben Hutchings
2013-03-18  4:22 ` [ 74/82] batman-adv: bat_socket_read missing checks Ben Hutchings
2013-03-18  4:22 ` [ 75/82] batman-adv: Only write requested number of byte to user buffer Ben Hutchings
2013-03-18  4:23 ` [ 76/82] mm/hotplug: correctly add new zone to all other nodes zone lists Ben Hutchings
2013-03-18  4:23 ` [ 77/82] xen-netfront: delay gARP until backend switches to Connected Ben Hutchings
2013-03-18  4:23 ` [ 78/82] block: use i_size_write() in bd_set_size() Ben Hutchings
2013-03-18  4:23 ` [ 79/82] loopdev: fix a deadlock Ben Hutchings
2013-03-18  4:23 ` [ 80/82] loopdev: remove an user triggerable oops Ben Hutchings
2013-03-18  4:23 ` [ 81/82] btrfs: use rcu_barrier() to wait for bdev puts at unmount Ben Hutchings
2013-03-18  4:23 ` [ 82/82] NLS: improve UTF8 -> UTF16 string conversion routine Ben Hutchings
2013-03-18  5:00 ` [ 00/82] 3.2.41-stable review Ben Hutchings

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