Commit 84fd4201 authored by Yongqiang Niu's avatar Yongqiang Niu Committed by Jassi Brar
Browse files

mailbox: cmdq: add mt8192 support 



add mt8192 support

Signed-off-by: default avatarYongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: default avatarJassi Brar <jaswinder.singh@linaro.org>
parent 5f48ed2e

drivers/mailbox/mtk-cmdq-mailbox.c

+10 −0
Original line number Diff line number Diff line
@@ -36,6 +36,8 @@ 
#define CMDQ_THR_WAIT_TOKEN		0x30

#define CMDQ_THR_PRIORITY		0x40



#define GCE_GCTL_VALUE			0x48



#define CMDQ_THR_ACTIVE_SLOT_CYCLES	0x3200

#define CMDQ_THR_ENABLED		0x1

#define CMDQ_THR_DISABLED		0x0
@@ -76,11 +78,13 @@ struct cmdq { 
	struct clk		*clock;

	bool			suspended;

	u8			shift_pa;

	bool			control_by_sw;

};



struct gce_plat {

	u32 thread_nr;

	u8 shift;

	bool control_by_sw;

};



u8 cmdq_get_shift_pa(struct mbox_chan *chan)
@@ -121,6 +125,8 @@ static void cmdq_init(struct cmdq *cmdq) 
	int i;



	WARN_ON(clk_enable(cmdq->clock) < 0);

	if (cmdq->control_by_sw)

		writel(0x7, cmdq->base + GCE_GCTL_VALUE);

	writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES);

	for (i = 0; i <= CMDQ_MAX_EVENT; i++)

		writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE);
@@ -540,6 +546,7 @@ static int cmdq_probe(struct platform_device *pdev) 


	cmdq->thread_nr = plat_data->thread_nr;

	cmdq->shift_pa = plat_data->shift;

	cmdq->control_by_sw = plat_data->control_by_sw;

	cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0);

	err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED,

			       "mtk_cmdq", cmdq);
@@ -605,11 +612,14 @@ static const struct dev_pm_ops cmdq_pm_ops = { 
static const struct gce_plat gce_plat_v2 = {.thread_nr = 16};

static const struct gce_plat gce_plat_v3 = {.thread_nr = 24};

static const struct gce_plat gce_plat_v4 = {.thread_nr = 24, .shift = 3};

static const struct gce_plat gce_plat_v5 = {.thread_nr = 24, .shift = 3,

					    .control_by_sw = true};



static const struct of_device_id cmdq_of_ids[] = {

	{.compatible = "mediatek,mt8173-gce", .data = (void *)&gce_plat_v2},

	{.compatible = "mediatek,mt8183-gce", .data = (void *)&gce_plat_v3},

	{.compatible = "mediatek,mt6779-gce", .data = (void *)&gce_plat_v4},

	{.compatible = "mediatek,mt8192-gce", .data = (void *)&gce_plat_v5},

	{}

};