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-rw-r--r--drivers/soc/renesas/r8a77965-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a77970-sysc.c5
-rw-r--r--drivers/soc/renesas/r8a77980-sysc.c10
-rw-r--r--drivers/soc/renesas/r8a77990-sysc.c23
-rw-r--r--drivers/soc/renesas/rcar-sysc.c65
5 files changed, 29 insertions, 75 deletions
diff --git a/drivers/soc/renesas/r8a77965-sysc.c b/drivers/soc/renesas/r8a77965-sysc.c
index d7f7928e3c07..e0533beb50fd 100644
--- a/drivers/soc/renesas/r8a77965-sysc.c
+++ b/drivers/soc/renesas/r8a77965-sysc.c
@@ -28,7 +28,6 @@ static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
{ "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
- { "a3ir", 0x180, 0, R8A77965_PD_A3IR, R8A77965_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
diff --git a/drivers/soc/renesas/r8a77970-sysc.c b/drivers/soc/renesas/r8a77970-sysc.c
index 35b30d6a8958..280c48b80f24 100644
--- a/drivers/soc/renesas/r8a77970-sysc.c
+++ b/drivers/soc/renesas/r8a77970-sysc.c
@@ -20,12 +20,11 @@ static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77970_PD_CR7, R8A77970_PD_ALWAYS_ON },
{ "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
{ "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR },
{ "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR },
- { "a2ir2", 0x400, 2, R8A77970_PD_A2IR2, R8A77970_PD_A3IR },
- { "a2ir3", 0x400, 3, R8A77970_PD_A2IR3, R8A77970_PD_A3IR },
+ { "a2dp", 0x400, 2, R8A77970_PD_A2DP, R8A77970_PD_A3IR },
+ { "a2cn", 0x400, 3, R8A77970_PD_A2CN, R8A77970_PD_A3IR },
{ "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_A3IR },
{ "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A3IR },
};
diff --git a/drivers/soc/renesas/r8a77980-sysc.c b/drivers/soc/renesas/r8a77980-sysc.c
index 9265fb525ef3..a8dbe55e8ba8 100644
--- a/drivers/soc/renesas/r8a77980-sysc.c
+++ b/drivers/soc/renesas/r8a77980-sysc.c
@@ -38,12 +38,12 @@ static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
{ "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
{ "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
{ "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
- { "a2pd0", 0x400, 11, R8A77980_PD_A2PD0, R8A77980_PD_A3IR },
- { "a2pd1", 0x400, 12, R8A77980_PD_A2PD1, R8A77980_PD_A3IR },
+ { "a2dp0", 0x400, 11, R8A77980_PD_A2DP0, R8A77980_PD_A3IR },
+ { "a2dp1", 0x400, 12, R8A77980_PD_A2DP1, R8A77980_PD_A3IR },
{ "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
- { "a3vip", 0x2c0, 0, R8A77980_PD_A3VIP, R8A77980_PD_ALWAYS_ON },
- { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_A3VIP },
- { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_A3VIP },
+ { "a3vip0", 0x2c0, 0, R8A77980_PD_A3VIP0, R8A77980_PD_ALWAYS_ON },
+ { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_ALWAYS_ON },
+ { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c
index 15579ebc5ed2..664b244eb1dd 100644
--- a/drivers/soc/renesas/r8a77990-sysc.c
+++ b/drivers/soc/renesas/r8a77990-sysc.c
@@ -28,19 +28,6 @@ static struct rcar_sysc_area r8a77990_areas[] __initdata = {
{ "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
};
-static void __init rcar_sysc_fix_parent(struct rcar_sysc_area *areas,
- unsigned int num_areas, u8 id,
- int new_parent)
-{
- unsigned int i;
-
- for (i = 0; i < num_areas; i++)
- if (areas[i].isr_bit == id) {
- areas[i].parent = new_parent;
- return;
- }
-}
-
/* Fixups for R-Car E3 ES1.0 revision */
static const struct soc_device_attribute r8a77990[] __initconst = {
{ .soc_id = "r8a77990", .revision = "ES1.0" },
@@ -50,12 +37,10 @@ static const struct soc_device_attribute r8a77990[] __initconst = {
static int __init r8a77990_sysc_init(void)
{
if (soc_device_match(r8a77990)) {
- rcar_sysc_fix_parent(r8a77990_areas,
- ARRAY_SIZE(r8a77990_areas),
- R8A77990_PD_3DG_A, R8A77990_PD_3DG_B);
- rcar_sysc_fix_parent(r8a77990_areas,
- ARRAY_SIZE(r8a77990_areas),
- R8A77990_PD_3DG_B, R8A77990_PD_ALWAYS_ON);
+ /* Fix incorrect 3DG hierarchy */
+ swap(r8a77990_areas[7], r8a77990_areas[8]);
+ r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
+ r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
}
return 0;
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index af53363eda03..0c80fab4f8de 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -105,6 +105,15 @@ static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
spin_lock_irqsave(&rcar_sysc_lock, flags);
+ /*
+ * The interrupt source needs to be enabled, but masked, to prevent the
+ * CPU from receiving it.
+ */
+ iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
+ rcar_sysc_base + SYSCIMR);
+ iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
+ rcar_sysc_base + SYSCIER);
+
iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
/* Submit power shutoff or resume request until it was accepted */
@@ -146,16 +155,6 @@ static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
return ret;
}
-static int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch)
-{
- return rcar_sysc_power(sysc_ch, false);
-}
-
-static int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch)
-{
- return rcar_sysc_power(sysc_ch, true);
-}
-
static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
{
unsigned int st;
@@ -184,7 +183,7 @@ static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power_down(&pd->ch);
+ return rcar_sysc_power(&pd->ch, false);
}
static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
@@ -192,7 +191,7 @@ static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power_up(&pd->ch);
+ return rcar_sysc_power(&pd->ch, true);
}
static bool has_cpg_mstp;
@@ -252,7 +251,7 @@ static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
goto finalize;
}
- rcar_sysc_power_up(&pd->ch);
+ rcar_sysc_power(&pd->ch, true);
finalize:
error = pm_genpd_init(genpd, gov, false);
@@ -334,7 +333,6 @@ static int __init rcar_sysc_pd_init(void)
const struct of_device_id *match;
struct rcar_pm_domains *domains;
struct device_node *np;
- u32 syscier, syscimr;
void __iomem *base;
unsigned int i;
int error;
@@ -373,27 +371,6 @@ static int __init rcar_sysc_pd_init(void)
domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
rcar_sysc_onecell_data = &domains->onecell_data;
- for (i = 0, syscier = 0; i < info->num_areas; i++)
- syscier |= BIT(info->areas[i].isr_bit);
-
- /*
- * Mask all interrupt sources to prevent the CPU from receiving them.
- * Make sure not to clear reserved bits that were set before.
- */
- syscimr = ioread32(base + SYSCIMR);
- syscimr |= syscier;
- pr_debug("%pOF: syscimr = 0x%08x\n", np, syscimr);
- iowrite32(syscimr, base + SYSCIMR);
-
- /*
- * SYSC needs all interrupt sources enabled to control power.
- */
- pr_debug("%pOF: syscier = 0x%08x\n", np, syscier);
- iowrite32(syscier, base + SYSCIER);
-
- /*
- * First, create all PM domains
- */
for (i = 0; i < info->num_areas; i++) {
const struct rcar_sysc_area *area = &info->areas[i];
struct rcar_sysc_pd *pd;
@@ -421,22 +398,17 @@ static int __init rcar_sysc_pd_init(void)
goto out_put;
domains->domains[area->isr_bit] = &pd->genpd;
- }
- /*
- * Second, link all PM domains to their parents
- */
- for (i = 0; i < info->num_areas; i++) {
- const struct rcar_sysc_area *area = &info->areas[i];
-
- if (!area->name || area->parent < 0)
+ if (area->parent < 0)
continue;
error = pm_genpd_add_subdomain(domains->domains[area->parent],
- domains->domains[area->isr_bit]);
- if (error)
+ &pd->genpd);
+ if (error) {
pr_warn("Failed to add PM subdomain %s to parent %u\n",
area->name, area->parent);
+ goto out_put;
+ }
}
error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
@@ -478,8 +450,7 @@ static int rcar_sysc_power_cpu(unsigned int idx, bool on)
if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
continue;
- return on ? rcar_sysc_power_up(&pd->ch)
- : rcar_sysc_power_down(&pd->ch);
+ return rcar_sysc_power(&pd->ch, on);
}
return -ENOENT;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 08:25:00 +0300