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soc: qcom: rpmh-rsc: Save base address of drv

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Add changes to save drv's base address for rsc. This is
used to read drv's configuration such as solver mode is
supported or to write into CONTROL_TCS registers.

Signed-off-by: Maulik Shah <quic_mkshah@quicinc.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # SM8450
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221018152837.619426-6-ulf.hansson@linaro.org
This commit is contained in:
Maulik Shah 2022-10-18 17:28:36 +02:00 committed by Bjorn Andersson
parent 1498c503e1
commit ab33c8f3a8
2 changed files with 10 additions and 10 deletions
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2
drivers/soc/qcom/rpmh-internal.h
View file

@ -91,6 +91,7 @@ struct rpmh_ctrlr {
* Resource State Coordinator controller (RSC)
*
* @name: Controller identifier.
* @base: Start address of the DRV registers in this controller.
* @tcs_base: Start address of the TCS registers in this controller.
* @id: Instance id in the controller (Direct Resource Voter).
* @num_tcs: Number of TCSes in this DRV.
@ -114,6 +115,7 @@ struct rpmh_ctrlr {
*/
struct rsc_drv {
const char *name;
void __iomem *base;
void __iomem *tcs_base;
int id;
int num_tcs;

18
drivers/soc/qcom/rpmh-rsc.c
View file

@ -881,8 +881,7 @@ static int rpmh_rsc_pd_attach(struct rsc_drv *drv, struct device *dev)
return ret;
}
static int rpmh_probe_tcs_config(struct platform_device *pdev,
struct rsc_drv *drv, void __iomem *base)
static int rpmh_probe_tcs_config(struct platform_device *pdev, struct rsc_drv *drv)
{
struct tcs_type_config {
u32 type;
@ -896,9 +895,9 @@ static int rpmh_probe_tcs_config(struct platform_device *pdev,
ret = of_property_read_u32(dn, "qcom,tcs-offset", &offset);
if (ret)
return ret;
drv->tcs_base = base + offset;
drv->tcs_base = drv->base + offset;
config = readl_relaxed(base + DRV_PRNT_CHLD_CONFIG);
config = readl_relaxed(drv->base + DRV_PRNT_CHLD_CONFIG);
max_tcs = config;
max_tcs &= DRV_NUM_TCS_MASK << (DRV_NUM_TCS_SHIFT * drv->id);
@ -960,7 +959,6 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
char drv_id[10] = {0};
int ret, irq;
u32 solver_config;
void __iomem *base;
/*
* Even though RPMh doesn't directly use cmd-db, all of its children
@ -987,11 +985,11 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
drv->name = dev_name(&pdev->dev);
snprintf(drv_id, ARRAY_SIZE(drv_id), "drv-%d", drv->id);
base = devm_platform_ioremap_resource_byname(pdev, drv_id);
if (IS_ERR(base))
return PTR_ERR(base);
drv->base = devm_platform_ioremap_resource_byname(pdev, drv_id);
if (IS_ERR(drv->base))
return PTR_ERR(drv->base);
ret = rpmh_probe_tcs_config(pdev, drv, base);
ret = rpmh_probe_tcs_config(pdev, drv);
if (ret)
return ret;
@ -1014,7 +1012,7 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
* 'HW solver' mode where they can be in autonomous mode executing low
* power mode to power down.
*/
solver_config = readl_relaxed(base + DRV_SOLVER_CONFIG);
solver_config = readl_relaxed(drv->base + DRV_SOLVER_CONFIG);
solver_config &= DRV_HW_SOLVER_MASK << DRV_HW_SOLVER_SHIFT;
solver_config = solver_config >> DRV_HW_SOLVER_SHIFT;
if (!solver_config) {