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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-24 10:39:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-24 10:39:22 -0700
commit2e368dd2bbeac6bfd50886371db185b1092067b4 (patch)
treec7a1f0e91e48bc13e56684a46b7429fa3d1652eb /drivers/soc/mediatek
parente731f3146ff3bba5424b40140e1a7e6f92e94964 (diff)
parent9f7f26930035f557838e215797cb620b563b98ab (diff)
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson: "Various driver updates for platforms. A bulk of this is smaller fixes or cleanups, but some of the new material this time around is: - Support for Nvidia Tegra234 SoC - Ring accelerator support for TI AM65x - PRUSS driver for TI platforms - Renesas support for R-Car V3U SoC - Reset support for Cortex-M4 processor on i.MX8MQ There are also new socinfo entries for a handful of different SoCs and platforms" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (131 commits) drm/mediatek: reduce clear event soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api soc: mediatek: cmdq: add jump function soc: mediatek: cmdq: add write_s_mask value function soc: mediatek: cmdq: add write_s value function soc: mediatek: cmdq: add read_s function soc: mediatek: cmdq: add write_s_mask function soc: mediatek: cmdq: add write_s function soc: mediatek: cmdq: add address shift in jump soc: mediatek: mtk-infracfg: Fix kerneldoc soc: amlogic: pm-domains: use always-on flag reset: sti: reset-syscfg: fix struct description warnings reset: imx7: add the cm4 reset for i.MX8MQ dt-bindings: reset: imx8mq: add m4 reset reset: Fix and extend kerneldoc reset: reset-zynqmp: Added support for Versal platform dt-bindings: reset: Updated binding for Versal reset driver reset: imx7: Support module build soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk soc: fsl: qman: convert to use be32_add_cpu() ...
Diffstat (limited to 'drivers/soc/mediatek')
-rw-r--r--drivers/soc/mediatek/mtk-cmdq-helper.c113
-rw-r--r--drivers/soc/mediatek/mtk-infracfg.c4
2 files changed, 112 insertions, 5 deletions
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index dc644cfb6419..505651b0d715 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -13,11 +13,16 @@
#define CMDQ_POLL_ENABLE_MASK BIT(0)
#define CMDQ_EOC_IRQ_EN BIT(0)
#define CMDQ_REG_TYPE 1
+#define CMDQ_JUMP_RELATIVE 1
struct cmdq_instruction {
union {
u32 value;
u32 mask;
+ struct {
+ u16 arg_c;
+ u16 src_reg;
+ };
};
union {
u16 offset;
@@ -223,15 +228,104 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys,
}
EXPORT_SYMBOL(cmdq_pkt_write_mask);
-int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event)
+int cmdq_pkt_read_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, u16 addr_low,
+ u16 reg_idx)
+{
+ struct cmdq_instruction inst = {};
+
+ inst.op = CMDQ_CODE_READ_S;
+ inst.dst_t = CMDQ_REG_TYPE;
+ inst.sop = high_addr_reg_idx;
+ inst.reg_dst = reg_idx;
+ inst.src_reg = addr_low;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_read_s);
+
+int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
+ u16 addr_low, u16 src_reg_idx)
+{
+ struct cmdq_instruction inst = {};
+
+ inst.op = CMDQ_CODE_WRITE_S;
+ inst.src_t = CMDQ_REG_TYPE;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.src_reg = src_reg_idx;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s);
+
+int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
+ u16 addr_low, u16 src_reg_idx, u32 mask)
+{
+ struct cmdq_instruction inst = {};
+ int err;
+
+ inst.op = CMDQ_CODE_MASK;
+ inst.mask = ~mask;
+ err = cmdq_pkt_append_command(pkt, inst);
+ if (err < 0)
+ return err;
+
+ inst.mask = 0;
+ inst.op = CMDQ_CODE_WRITE_S_MASK;
+ inst.src_t = CMDQ_REG_TYPE;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.src_reg = src_reg_idx;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s_mask);
+
+int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
+ u16 addr_low, u32 value)
+{
+ struct cmdq_instruction inst = {};
+
+ inst.op = CMDQ_CODE_WRITE_S;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.value = value;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s_value);
+
+int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
+ u16 addr_low, u32 value, u32 mask)
+{
+ struct cmdq_instruction inst = {};
+ int err;
+
+ inst.op = CMDQ_CODE_MASK;
+ inst.mask = ~mask;
+ err = cmdq_pkt_append_command(pkt, inst);
+ if (err < 0)
+ return err;
+
+ inst.op = CMDQ_CODE_WRITE_S_MASK;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.value = value;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s_mask_value);
+
+int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear)
{
struct cmdq_instruction inst = { {0} };
+ u32 clear_option = clear ? CMDQ_WFE_UPDATE : 0;
if (event >= CMDQ_MAX_EVENT)
return -EINVAL;
inst.op = CMDQ_CODE_WFE;
- inst.value = CMDQ_WFE_OPTION;
+ inst.value = CMDQ_WFE_OPTION | clear_option;
inst.event = event;
return cmdq_pkt_append_command(pkt, inst);
@@ -315,6 +409,18 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value)
}
EXPORT_SYMBOL(cmdq_pkt_assign);
+int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr)
+{
+ struct cmdq_instruction inst = {};
+
+ inst.op = CMDQ_CODE_JUMP;
+ inst.offset = CMDQ_JUMP_RELATIVE;
+ inst.value = addr >>
+ cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan);
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_jump);
+
int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
{
struct cmdq_instruction inst = { {0} };
@@ -329,7 +435,8 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
/* JUMP to end */
inst.op = CMDQ_CODE_JUMP;
- inst.value = CMDQ_JUMP_PASS;
+ inst.value = CMDQ_JUMP_PASS >>
+ cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan);
err = cmdq_pkt_append_command(pkt, inst);
return err;
diff --git a/drivers/soc/mediatek/mtk-infracfg.c b/drivers/soc/mediatek/mtk-infracfg.c
index 341c7ac250e3..4a123796aad3 100644
--- a/drivers/soc/mediatek/mtk-infracfg.c
+++ b/drivers/soc/mediatek/mtk-infracfg.c
@@ -19,7 +19,7 @@
/**
* mtk_infracfg_set_bus_protection - enable bus protection
- * @regmap: The infracfg regmap
+ * @infracfg: The infracfg regmap
* @mask: The mask containing the protection bits to be enabled.
* @reg_update: The boolean flag determines to set the protection bits
* by regmap_update_bits with enable register(PROTECTEN) or
@@ -50,7 +50,7 @@ int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask,
/**
* mtk_infracfg_clear_bus_protection - disable bus protection
- * @regmap: The infracfg regmap
+ * @infracfg: The infracfg regmap
* @mask: The mask containing the protection bits to be disabled.
* @reg_update: The boolean flag determines to clear the protection bits
* by regmap_update_bits with enable register(PROTECTEN) or