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authorDoug Berger <opendmb@gmail.com>2017-03-30 03:29:14 +0300
committerFlorian Fainelli <f.fainelli@gmail.com>2017-05-14 06:18:57 +0300
commitd523e0cfdca37538fc6048077e1d8a0b05c300a5 (patch)
treedc82114af071813154303ba5888032e2f832d938
parent8c7aa17ad11855e141a9869d7591811b3821024d (diff)
downloadlinux-d523e0cfdca37538fc6048077e1d8a0b05c300a5.tar.xz
bus: brcmstb_gisb: update to support new revision
The 7278 introduces a new version of this core. This commit adds support for that revision. Signed-off-by: Doug Berger <opendmb@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
-rw-r--r--Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt3
-rw-r--r--drivers/bus/brcmstb_gisb.c10
2 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt
index 1eceefb20f01..8a6c3c2e58fe 100644
--- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt
+++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt
@@ -3,7 +3,8 @@ Broadcom GISB bus Arbiter controller
Required properties:
- compatible:
- "brcm,gisb-arb" or "brcm,bcm7445-gisb-arb" for 28nm chips
+ "brcm,bcm7278-gisb-arb" for V7 28nm chips
+ "brcm,gisb-arb" or "brcm,bcm7445-gisb-arb" for other 28nm chips
"brcm,bcm7435-gisb-arb" for newer 40nm chips
"brcm,bcm7400-gisb-arb" for older 40nm chips and all 65nm chips
"brcm,bcm7038-gisb-arb" for 130nm chips
diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c
index 3fbc116e6b95..68ac3e93b600 100644
--- a/drivers/bus/brcmstb_gisb.c
+++ b/drivers/bus/brcmstb_gisb.c
@@ -56,6 +56,15 @@ static const int gisb_offsets_bcm7038[] = {
[ARB_ERR_CAP_MASTER] = -1,
};
+static const int gisb_offsets_bcm7278[] = {
+ [ARB_TIMER] = 0x008,
+ [ARB_ERR_CAP_CLR] = 0x7f8,
+ [ARB_ERR_CAP_HI_ADDR] = -1,
+ [ARB_ERR_CAP_ADDR] = 0x7e0,
+ [ARB_ERR_CAP_STATUS] = 0x7f0,
+ [ARB_ERR_CAP_MASTER] = 0x7f4,
+};
+
static const int gisb_offsets_bcm7400[] = {
[ARB_TIMER] = 0x00c,
[ARB_ERR_CAP_CLR] = 0x0c8,
@@ -307,6 +316,7 @@ static const struct of_device_id brcmstb_gisb_arb_of_match[] = {
{ .compatible = "brcm,bcm7445-gisb-arb", .data = gisb_offsets_bcm7445 },
{ .compatible = "brcm,bcm7435-gisb-arb", .data = gisb_offsets_bcm7435 },
{ .compatible = "brcm,bcm7400-gisb-arb", .data = gisb_offsets_bcm7400 },
+ { .compatible = "brcm,bcm7278-gisb-arb", .data = gisb_offsets_bcm7278 },
{ .compatible = "brcm,bcm7038-gisb-arb", .data = gisb_offsets_bcm7038 },
{ },
};