brcm2708: rename target to bcm27xx

This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 79 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-4.19/950-0137-firmware-raspberrypi-Add-backward-compatible-get_thr.patch b/target/linux/bcm27xx/patches-4.19/950-0137-firmware-raspberrypi-Add-backward-compatible-get_thr.patch
new file mode 100644
index 0000000000..24803abb29
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0137-firmware-raspberrypi-Add-backward-compatible-get_thr.patch
@@ -0,0 +1,79 @@
+From 4c26452ecee989e1f43a80654a0d5cd8ce64e49e Mon Sep 17 00:00:00 2001
+From: Stefan Wahren <stefan.wahren@i2se.com>
+Date: Sat, 13 Oct 2018 13:31:21 +0200
+Subject: [PATCH] firmware: raspberrypi: Add backward compatible
+ get_throttled
+
+Avoid a hard userspace ABI change by adding a compatible get_throttled
+sysfs entry. Its value is now feed by the GET_THROTTLED requests of the
+new hwmon driver. The first access to get_throttled will generate
+a warning.
+
+Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
+---
+ drivers/firmware/raspberrypi.c | 33 +++++++++++++++++++++++++++++++++
+ 1 file changed, 33 insertions(+)
+
+--- a/drivers/firmware/raspberrypi.c
++++ b/drivers/firmware/raspberrypi.c
+@@ -30,6 +30,7 @@ struct rpi_firmware {
+ 	struct mbox_chan *chan; /* The property channel. */
+ 	struct completion c;
+ 	u32 enabled;
++	u32 get_throttled;
+ };
+ 
+ static struct platform_device *g_pdev;
+@@ -172,6 +173,12 @@ int rpi_firmware_property(struct rpi_fir
+ 
+ 	kfree(data);
+ 
++	if ((tag == RPI_FIRMWARE_GET_THROTTLED) &&
++	     memcmp(&fw->get_throttled, tag_data, sizeof(fw->get_throttled))) {
++		memcpy(&fw->get_throttled, tag_data, sizeof(fw->get_throttled));
++		sysfs_notify(&fw->cl.dev->kobj, NULL, "get_throttled");
++	}
++
+ 	return ret;
+ }
+ EXPORT_SYMBOL_GPL(rpi_firmware_property);
+@@ -196,6 +203,27 @@ static int rpi_firmware_notify_reboot(st
+ 	return 0;
+ }
+ 
++static ssize_t get_throttled_show(struct device *dev,
++				  struct device_attribute *attr, char *buf)
++{
++	struct rpi_firmware *fw = dev_get_drvdata(dev);
++
++	WARN_ONCE(1, "deprecated, use hwmon sysfs instead\n");
++
++	return sprintf(buf, "%x\n", fw->get_throttled);
++}
++
++static DEVICE_ATTR_RO(get_throttled);
++
++static struct attribute *rpi_firmware_dev_attrs[] = {
++	&dev_attr_get_throttled.attr,
++	NULL,
++};
++
++static const struct attribute_group rpi_firmware_dev_group = {
++	.attrs = rpi_firmware_dev_attrs,
++};
++
+ static void
+ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
+ {
+@@ -228,6 +256,11 @@ rpi_register_hwmon_driver(struct device
+ 
+ 	rpi_hwmon = platform_device_register_data(dev, "raspberrypi-hwmon",
+ 						  -1, NULL, 0);
++
++	if (!IS_ERR_OR_NULL(rpi_hwmon)) {
++		if (devm_device_add_group(dev, &rpi_firmware_dev_group))
++			dev_err(dev, "Failed to create get_trottled attr\n");
++	}
+ }
+ 
+ static int rpi_firmware_probe(struct platform_device *pdev)