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path: root/drivers/remoteproc/qcom_q6v5_mss.c
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Diffstat (limited to 'drivers/remoteproc/qcom_q6v5_mss.c')
-rw-r--r--drivers/remoteproc/qcom_q6v5_mss.c87
1 files changed, 71 insertions, 16 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 70bffc9f33f6..22fe7b5f5236 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -15,9 +15,9 @@
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/of_reserved_mem.h>
+#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
@@ -71,6 +71,7 @@
#define QDSP6SS_MEM_PWR_CTL 0x0B0
#define QDSP6V6SS_MEM_PWR_CTL 0x034
#define QDSP6SS_STRAP_ACC 0x110
+#define QDSP6V62SS_BHS_STATUS 0x0C4
/* AXI Halt Register Offsets */
#define AXI_HALTREQ_REG 0x0
@@ -123,6 +124,7 @@
#define QDSP6v56_CLAMP_QMC_MEM BIT(22)
#define QDSP6SS_XO_CBCR 0x0038
#define QDSP6SS_ACC_OVERRIDE_VAL 0x20
+#define QDSP6v55_BHS_EN_REST_ACK BIT(0)
/* QDSP6v65 parameters */
#define QDSP6SS_CORE_CBCR 0x20
@@ -130,6 +132,7 @@
#define QDSP6SS_BOOT_CORE_START 0x400
#define QDSP6SS_BOOT_CMD 0x404
#define BOOT_FSM_TIMEOUT 10000
+#define BHS_CHECK_MAX_LOOPS 200
struct reg_info {
struct regulator *reg;
@@ -250,6 +253,7 @@ enum {
MSS_MSM8998,
MSS_SC7180,
MSS_SC7280,
+ MSS_SDM660,
MSS_SDM845,
};
@@ -700,7 +704,8 @@ static int q6v5proc_reset(struct q6v5 *qproc)
} else if (qproc->version == MSS_MSM8909 ||
qproc->version == MSS_MSM8953 ||
qproc->version == MSS_MSM8996 ||
- qproc->version == MSS_MSM8998) {
+ qproc->version == MSS_MSM8998 ||
+ qproc->version == MSS_SDM660) {
if (qproc->version != MSS_MSM8909 &&
qproc->version != MSS_MSM8953)
@@ -734,6 +739,16 @@ static int q6v5proc_reset(struct q6v5 *qproc)
val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
udelay(1);
+ if (qproc->version == MSS_SDM660) {
+ ret = readl_relaxed_poll_timeout(qproc->reg_base + QDSP6V62SS_BHS_STATUS,
+ i, (i & QDSP6v55_BHS_EN_REST_ACK),
+ 1, BHS_CHECK_MAX_LOOPS);
+ if (ret == -ETIMEDOUT) {
+ dev_err(qproc->dev, "BHS_EN_REST_ACK not set!\n");
+ return -ETIMEDOUT;
+ }
+ }
+
/* Put LDO in bypass mode */
val |= QDSP6v56_LDO_BYP;
writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
@@ -756,7 +771,7 @@ static int q6v5proc_reset(struct q6v5 *qproc)
mem_pwr_ctl = QDSP6SS_MEM_PWR_CTL;
i = 19;
} else {
- /* MSS_MSM8998 */
+ /* MSS_MSM8998, MSS_SDM660 */
mem_pwr_ctl = QDSP6V6SS_MEM_PWR_CTL;
i = 28;
}
@@ -1875,8 +1890,6 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
struct device_node *child;
struct reserved_mem *rmem;
struct device_node *node;
- struct resource r;
- int ret;
/*
* In the absence of mba/mpss sub-child, extract the mba and mpss
@@ -1891,15 +1904,20 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
of_node_put(child);
}
- ret = of_address_to_resource(node, 0, &r);
+ if (!node) {
+ dev_err(qproc->dev, "no mba memory-region specified\n");
+ return -EINVAL;
+ }
+
+ rmem = of_reserved_mem_lookup(node);
of_node_put(node);
- if (ret) {
+ if (!rmem) {
dev_err(qproc->dev, "unable to resolve mba region\n");
- return ret;
+ return -EINVAL;
}
- qproc->mba_phys = r.start;
- qproc->mba_size = resource_size(&r);
+ qproc->mba_phys = rmem->base;
+ qproc->mba_size = rmem->size;
if (!child) {
node = of_parse_phandle(qproc->dev->of_node,
@@ -1910,15 +1928,20 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
of_node_put(child);
}
- ret = of_address_to_resource(node, 0, &r);
+ if (!node) {
+ dev_err(qproc->dev, "no mpss memory-region specified\n");
+ return -EINVAL;
+ }
+
+ rmem = of_reserved_mem_lookup(node);
of_node_put(node);
- if (ret) {
+ if (!rmem) {
dev_err(qproc->dev, "unable to resolve mpss region\n");
- return ret;
+ return -EINVAL;
}
- qproc->mpss_phys = qproc->mpss_reloc = r.start;
- qproc->mpss_size = resource_size(&r);
+ qproc->mpss_phys = qproc->mpss_reloc = rmem->base;
+ qproc->mpss_size = rmem->size;
if (!child) {
node = of_parse_phandle(qproc->dev->of_node, "memory-region", 2);
@@ -2191,6 +2214,37 @@ static const struct rproc_hexagon_res sc7280_mss = {
.version = MSS_SC7280,
};
+static const struct rproc_hexagon_res sdm660_mss = {
+ .hexagon_mba_image = "mba.mbn",
+ .proxy_clk_names = (char*[]){
+ "xo",
+ "qdss",
+ "mem",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "iface",
+ "bus",
+ "gpll0_mss",
+ "mnoc_axi",
+ "snoc_axi",
+ NULL
+ },
+ .proxy_pd_names = (char*[]){
+ "cx",
+ "mx",
+ NULL
+ },
+ .need_mem_protection = true,
+ .has_alt_reset = false,
+ .has_mba_logs = false,
+ .has_spare_reg = false,
+ .has_qaccept_regs = false,
+ .has_ext_cntl_regs = false,
+ .has_vq6 = false,
+ .version = MSS_SDM660,
+};
+
static const struct rproc_hexagon_res sdm845_mss = {
.hexagon_mba_image = "mba.mbn",
.proxy_clk_names = (char*[]){
@@ -2473,6 +2527,7 @@ static const struct of_device_id q6v5_of_match[] = {
{ .compatible = "qcom,msm8998-mss-pil", .data = &msm8998_mss},
{ .compatible = "qcom,sc7180-mss-pil", .data = &sc7180_mss},
{ .compatible = "qcom,sc7280-mss-pil", .data = &sc7280_mss},
+ { .compatible = "qcom,sdm660-mss-pil", .data = &sdm660_mss},
{ .compatible = "qcom,sdm845-mss-pil", .data = &sdm845_mss},
{ },
};