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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
77 lines
2.5 KiB
Diff
77 lines
2.5 KiB
Diff
From 9168351ae915e76a821096d4a316b28144f10ddf Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 8 Mar 2023 14:42:48 +0000
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Subject: [PATCH 0552/1085] soc: bcm: bcm2835-power: Add support for BCM2712
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BCM2712 has a PM block but neither ASB nor RPIVID_ASB. Use the absence
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of the "asb" register range to indicate BCM2712 and its different PM
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register range.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/pmdomain/bcm/bcm2835-power.c | 29 ++++++++++++++++++----------
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1 file changed, 19 insertions(+), 10 deletions(-)
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--- a/drivers/pmdomain/bcm/bcm2835-power.c
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+++ b/drivers/pmdomain/bcm/bcm2835-power.c
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@@ -79,6 +79,7 @@
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#define PM_IMAGE 0x108
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#define PM_GRAFX 0x10c
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#define PM_PROC 0x110
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+#define PM_GRAFX_2712 0x304
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#define PM_ENAB BIT(12)
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#define PM_ISPRSTN BIT(8)
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#define PM_H264RSTN BIT(7)
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@@ -381,6 +382,9 @@ static int bcm2835_power_pd_power_on(str
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return bcm2835_power_power_on(pd, PM_GRAFX);
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case BCM2835_POWER_DOMAIN_GRAFX_V3D:
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+ if (!power->asb)
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+ return bcm2835_asb_power_on(pd, PM_GRAFX_2712,
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+ 0, 0, PM_V3DRSTN);
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return bcm2835_asb_power_on(pd, PM_GRAFX,
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ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
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PM_V3DRSTN);
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@@ -447,6 +451,9 @@ static int bcm2835_power_pd_power_off(st
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return bcm2835_power_power_off(pd, PM_GRAFX);
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case BCM2835_POWER_DOMAIN_GRAFX_V3D:
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+ if (!power->asb)
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+ return bcm2835_asb_power_off(pd, PM_GRAFX_2712,
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+ 0, 0, PM_V3DRSTN);
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return bcm2835_asb_power_off(pd, PM_GRAFX,
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ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
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PM_V3DRSTN);
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@@ -642,19 +649,21 @@ static int bcm2835_power_probe(struct pl
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power->asb = pm->asb;
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power->rpivid_asb = pm->rpivid_asb;
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- id = readl(power->asb + ASB_AXI_BRDG_ID);
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- if (id != BCM2835_BRDG_ID /* "BRDG" */) {
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- dev_err(dev, "ASB register ID returned 0x%08x\n", id);
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- return -ENODEV;
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- }
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-
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- if (power->rpivid_asb) {
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- id = readl(power->rpivid_asb + ASB_AXI_BRDG_ID);
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+ if (power->asb) {
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+ id = readl(power->asb + ASB_AXI_BRDG_ID);
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if (id != BCM2835_BRDG_ID /* "BRDG" */) {
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- dev_err(dev, "RPiVid ASB register ID returned 0x%08x\n",
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- id);
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+ dev_err(dev, "ASB register ID returned 0x%08x\n", id);
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return -ENODEV;
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}
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+
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+ if (power->rpivid_asb) {
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+ id = readl(power->rpivid_asb + ASB_AXI_BRDG_ID);
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+ if (id != BCM2835_BRDG_ID /* "BRDG" */) {
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+ dev_err(dev, "RPiVid ASB register ID returned 0x%08x\n",
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+ id);
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+ return -ENODEV;
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+ }
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+ }
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}
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power->pd_xlate.domains = devm_kcalloc(dev,
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