Re: [PATCH 3/6] soc: amlogic: meson-pwrc: Add NNA power domain for A311D

From: Neil Armstrong
Date: Fri Nov 25 2022 - 07:59:58 EST


On 25/11/2022 12:19, Tomeu Vizoso wrote:
Based on power initialization sequence in downstream driver.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
drivers/soc/amlogic/meson-ee-pwrc.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
index dd5f2a13ceb5..925cfaf50d11 100644
--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -46,6 +46,9 @@
#define HHI_NANOQ_MEM_PD_REG1 (0x47 << 2)
#define HHI_VPU_MEM_PD_REG2 (0x4d << 2)
+#define G12A_HHI_NANOQ_MEM_PD_REG0 (0x43 << 2)
+#define G12A_HHI_NANOQ_MEM_PD_REG1 (0x44 << 2)
+
struct meson_ee_pwrc;
struct meson_ee_pwrc_domain;
@@ -106,6 +109,13 @@ static struct meson_ee_pwrc_top_domain sm1_pwrc_usb = SM1_EE_PD(17);
static struct meson_ee_pwrc_top_domain sm1_pwrc_pci = SM1_EE_PD(18);
static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
+static struct meson_ee_pwrc_top_domain g12a_pwrc_nna = { \
+ .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0, \
+ .sleep_mask = BIT(16) | BIT(17), \
+ .iso_reg = GX_AO_RTI_GEN_PWR_ISO0, \
+ .iso_mask = BIT(16) | BIT(17), \
+ };
+
/* Memory PD Domains */
#define VPU_MEMPD(__reg) \
@@ -217,6 +227,11 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
{ HHI_AUDIO_MEM_PD_REG0, GENMASK(27, 26) },
};
+static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
+ { G12A_HHI_NANOQ_MEM_PD_REG0, 0xffffffff },
+ { G12A_HHI_NANOQ_MEM_PD_REG1, 0xffffffff },

Weird it's not 0xff like on SM1, I looked at the A311D Datasheet and
HHI_NANOQ_MEM_PD_REG0 is 31:0 so 0xffffffff is correct, but
HHI_NANOQ_MEM_PD_REG1 is 23:0 so 0xFFFFFF is the correct value.

Bur please replace with GENMASK(31, 0) and GENMASK(23, 0) to align with the
rest of the code.

+};
+
#define VPU_PD(__name, __top_pd, __mem, __is_pwr_off, __resets, __clks) \
{ \
.name = __name, \
@@ -253,6 +268,8 @@ static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
[PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
pwrc_ee_is_powered_off, 11, 2),
[PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+ [PWRC_G12A_NNA_ID] = TOP_PD("NNA", &g12a_pwrc_nna, g12a_pwrc_mem_nna,
+ pwrc_ee_is_powered_off),
};
static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {

With this fixed:

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>


Thanks,
Neil