Skip to content

Commit 80d6918

Browse files
kuanhsunchengandersson
authored andcommitted
remoteproc: mediatek: Support mt8186 scp
Add SCP support for mt8186 Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220225132747.31808-3-allen-kh.cheng@mediatek.com
1 parent 2233538 commit 80d6918

File tree

2 files changed

+38
-0
lines changed

2 files changed

+38
-0
lines changed

drivers/remoteproc/mtk_common.h

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -32,6 +32,9 @@
3232
#define MT8183_SCP_CACHESIZE_8KB BIT(8)
3333
#define MT8183_SCP_CACHE_CON_WAYEN BIT(10)
3434

35+
#define MT8186_SCP_L1_SRAM_PD_P1 0x40B0
36+
#define MT8186_SCP_L1_SRAM_PD_p2 0x40B4
37+
3538
#define MT8192_L2TCM_SRAM_PD_0 0x10C0
3639
#define MT8192_L2TCM_SRAM_PD_1 0x10C4
3740
#define MT8192_L2TCM_SRAM_PD_2 0x10C8

drivers/remoteproc/mtk_scp.c

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -383,6 +383,27 @@ static void mt8192_power_off_sram(void __iomem *addr)
383383
writel(GENMASK(i, 0), addr);
384384
}
385385

386+
static int mt8186_scp_before_load(struct mtk_scp *scp)
387+
{
388+
/* Clear SCP to host interrupt */
389+
writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
390+
391+
/* Reset clocks before loading FW */
392+
writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
393+
writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
394+
395+
/* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/
396+
mt8192_power_on_sram(scp->reg_base + MT8183_SCP_SRAM_PDN);
397+
398+
/* Initialize TCM before loading FW. */
399+
writel(0x0, scp->reg_base + MT8183_SCP_L1_SRAM_PD);
400+
writel(0x0, scp->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD);
401+
writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_P1);
402+
writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_p2);
403+
404+
return 0;
405+
}
406+
386407
static int mt8192_scp_before_load(struct mtk_scp *scp)
387408
{
388409
/* clear SPM interrupt, SCP2SPM_IPC_CLR */
@@ -874,6 +895,19 @@ static const struct mtk_scp_of_data mt8183_of_data = {
874895
.ipi_buf_offset = 0x7bdb0,
875896
};
876897

898+
static const struct mtk_scp_of_data mt8186_of_data = {
899+
.scp_clk_get = mt8195_scp_clk_get,
900+
.scp_before_load = mt8186_scp_before_load,
901+
.scp_irq_handler = mt8183_scp_irq_handler,
902+
.scp_reset_assert = mt8183_scp_reset_assert,
903+
.scp_reset_deassert = mt8183_scp_reset_deassert,
904+
.scp_stop = mt8183_scp_stop,
905+
.scp_da_to_va = mt8183_scp_da_to_va,
906+
.host_to_scp_reg = MT8183_HOST_TO_SCP,
907+
.host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT,
908+
.ipi_buf_offset = 0x7bdb0,
909+
};
910+
877911
static const struct mtk_scp_of_data mt8192_of_data = {
878912
.scp_clk_get = mt8192_scp_clk_get,
879913
.scp_before_load = mt8192_scp_before_load,
@@ -900,6 +934,7 @@ static const struct mtk_scp_of_data mt8195_of_data = {
900934

901935
static const struct of_device_id mtk_scp_of_match[] = {
902936
{ .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data },
937+
{ .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data },
903938
{ .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data },
904939
{ .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data },
905940
{},

0 commit comments

Comments
 (0)