brcm2708: add linux 4.19 support

Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.19/950-0562-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch b/target/linux/brcm2708/patches-4.19/950-0562-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch
new file mode 100644
index 0000000000..6399db88e9
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0562-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch
@@ -0,0 +1,45 @@
+From 81f47bb7d51490b62ba2fad6c0be42bf0e4e13a2 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Fri, 11 Jan 2019 17:29:10 -0800
+Subject: [PATCH 562/703] soc: bcm: bcm2835-pm: Fix PM_IMAGE_PERI power domain
+ support.
+
+We don't have ASB master/slave regs for this domain, so just skip that
+step.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+Fixes: 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
+---
+ drivers/soc/bcm/bcm2835-power.c | 14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+--- a/drivers/soc/bcm/bcm2835-power.c
++++ b/drivers/soc/bcm/bcm2835-power.c
+@@ -150,7 +150,12 @@ struct bcm2835_power {
+ 
+ static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg)
+ {
+-	u64 start = ktime_get_ns();
++	u64 start;
++
++	if (!reg)
++		return 0;
++
++	start = ktime_get_ns();
+ 
+ 	/* Enable the module's async AXI bridges. */
+ 	ASB_WRITE(reg, ASB_READ(reg) & ~ASB_REQ_STOP);
+@@ -165,7 +170,12 @@ static int bcm2835_asb_enable(struct bcm
+ 
+ static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg)
+ {
+-	u64 start = ktime_get_ns();
++	u64 start;
++
++	if (!reg)
++		return 0;
++
++	start = ktime_get_ns();
+ 
+ 	/* Enable the module's async AXI bridges. */
+ 	ASB_WRITE(reg, ASB_READ(reg) | ASB_REQ_STOP);