diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c
index a2c0fde0581994c18d928c6daf1e64b126a27023..9dcf16f399b7acd4526679a6b5583d777f561268 100644
--- a/drivers/net/ipa/ipa_clock.c
+++ b/drivers/net/ipa/ipa_clock.c
@@ -13,6 +13,7 @@
#include "ipa.h"
#include "ipa_clock.h"
#include "ipa_modem.h"
+#include "ipa_data.h"
/**
* DOC: IPA Clocking
@@ -29,18 +30,6 @@
* An IPA clock reference must be held for any access to IPA hardware.
*/
-#define IPA_CORE_CLOCK_RATE (75UL * 1000 * 1000) /* Hz */
-
-/* Interconnect path bandwidths (each times 1000 bytes per second) */
-#define IPA_MEMORY_AVG (80 * 1000) /* 80 MBps */
-#define IPA_MEMORY_PEAK (600 * 1000)
-
-#define IPA_IMEM_AVG (80 * 1000)
-#define IPA_IMEM_PEAK (350 * 1000)
-
-#define IPA_CONFIG_AVG (40 * 1000)
-#define IPA_CONFIG_PEAK (40 * 1000)
-
/**
* struct ipa_clock - IPA clocking information
* @count: Clocking reference count
@@ -49,6 +38,7 @@
* @memory_path: Memory interconnect
* @imem_path: Internal memory interconnect
* @config_path: Configuration space interconnect
+ * @interconnect_data: Interconnect configuration data
*/
struct ipa_clock {
refcount_t count;
@@ -57,6 +47,7 @@ struct ipa_clock {
struct icc_path *memory_path;
struct icc_path *imem_path;
struct icc_path *config_path;
+ const struct ipa_interconnect_data *interconnect_data;
};
static struct icc_path *
@@ -113,18 +104,25 @@ static void ipa_interconnect_exit(struct ipa_clock *clock)
/* Currently we only use one bandwidth level, so just "enable" interconnects */
static int ipa_interconnect_enable(struct ipa *ipa)
{
+ const struct ipa_interconnect_data *data;
struct ipa_clock *clock = ipa->clock;
int ret;
- ret = icc_set_bw(clock->memory_path, IPA_MEMORY_AVG, IPA_MEMORY_PEAK);
+ data = &clock->interconnect_data[IPA_INTERCONNECT_MEMORY];
+ ret = icc_set_bw(clock->memory_path, data->average_rate,
+ data->peak_rate);
if (ret)
return ret;
- ret = icc_set_bw(clock->imem_path, IPA_IMEM_AVG, IPA_IMEM_PEAK);
+ data = &clock->interconnect_data[IPA_INTERCONNECT_IMEM];
+ ret = icc_set_bw(clock->memory_path, data->average_rate,
+ data->peak_rate);
if (ret)
goto err_memory_path_disable;
- ret = icc_set_bw(clock->config_path, IPA_CONFIG_AVG, IPA_CONFIG_PEAK);
+ data = &clock->interconnect_data[IPA_INTERCONNECT_CONFIG];
+ ret = icc_set_bw(clock->memory_path, data->average_rate,
+ data->peak_rate);
if (ret)
goto err_imem_path_disable;
@@ -141,6 +139,7 @@ static int ipa_interconnect_enable(struct ipa *ipa)
/* To disable an interconnect, we just its bandwidth to 0 */
static int ipa_interconnect_disable(struct ipa *ipa)
{
+ const struct ipa_interconnect_data *data;
struct ipa_clock *clock = ipa->clock;
int ret;
@@ -159,9 +158,13 @@ static int ipa_interconnect_disable(struct ipa *ipa)
return 0;
err_imem_path_reenable:
- (void)icc_set_bw(clock->imem_path, IPA_IMEM_AVG, IPA_IMEM_PEAK);
+ data = &clock->interconnect_data[IPA_INTERCONNECT_IMEM];
+ (void)icc_set_bw(clock->imem_path, data->average_rate,
+ data->peak_rate);
err_memory_path_reenable:
- (void)icc_set_bw(clock->memory_path, IPA_MEMORY_AVG, IPA_MEMORY_PEAK);
+ data = &clock->interconnect_data[IPA_INTERCONNECT_MEMORY];
+ (void)icc_set_bw(clock->memory_path, data->average_rate,
+ data->peak_rate);
return ret;
}
@@ -257,7 +260,8 @@ u32 ipa_clock_rate(struct ipa *ipa)
}
/* Initialize IPA clocking */
-struct ipa_clock *ipa_clock_init(struct device *dev)
+struct ipa_clock *
+ipa_clock_init(struct device *dev, const struct ipa_clock_data *data)
{
struct ipa_clock *clock;
struct clk *clk;
@@ -269,10 +273,10 @@ struct ipa_clock *ipa_clock_init(struct device *dev)
return ERR_CAST(clk);
}
- ret = clk_set_rate(clk, IPA_CORE_CLOCK_RATE);
+ ret = clk_set_rate(clk, data->core_clock_rate);
if (ret) {
- dev_err(dev, "error %d setting core clock rate to %lu\n",
- ret, IPA_CORE_CLOCK_RATE);
+ dev_err(dev, "error %d setting core clock rate to %u\n",
+ ret, data->core_clock_rate);
goto err_clk_put;
}
@@ -282,6 +286,7 @@ struct ipa_clock *ipa_clock_init(struct device *dev)
goto err_clk_put;
}
clock->core = clk;
+ clock->interconnect_data = data->interconnect;
ret = ipa_interconnect_init(clock, dev);
if (ret)
diff --git a/drivers/net/ipa/ipa_clock.h b/drivers/net/ipa/ipa_clock.h
index 1d70f1de3875bfecef611d75890001a44b4a2633..1fe634760e59d3a5df64dbe90e5eff461758237d 100644
--- a/drivers/net/ipa/ipa_clock.h
+++ b/drivers/net/ipa/ipa_clock.h
@@ -9,6 +9,7 @@
struct device;
struct ipa;
+struct ipa_clock_data;
/**
* ipa_clock_rate() - Return the current IPA core clock rate
@@ -21,10 +22,12 @@ u32 ipa_clock_rate(struct ipa *ipa);
/**
* ipa_clock_init() - Initialize IPA clocking
* @dev: IPA device
+ * @data: Clock configuration data
*
* Return: A pointer to an ipa_clock structure, or a pointer-coded error
*/
-struct ipa_clock *ipa_clock_init(struct device *dev);
+struct ipa_clock *ipa_clock_init(struct device *dev,
+ const struct ipa_clock_data *data);
/**
* ipa_clock_exit() - Inverse of ipa_clock_init()
diff --git a/drivers/net/ipa/ipa_data-sc7180.c b/drivers/net/ipa/ipa_data-sc7180.c
index 37dada4da68087d0da1847be1ce1884b5bb8f0ec..5cc0ed77edb9ca4546c580ced405775ed2843f01 100644
--- a/drivers/net/ipa/ipa_data-sc7180.c
+++ b/drivers/net/ipa/ipa_data-sc7180.c
@@ -309,6 +309,26 @@ static struct ipa_mem_data ipa_mem_data = {
.smem_size = 0x00002000,
};
+static struct ipa_clock_data ipa_clock_data = {
+ .core_clock_rate = 100 * 1000 * 1000, /* Hz */
+ /* Interconnect rates are in 1000 byte/second units */
+ .interconnect = {
+ [IPA_INTERCONNECT_MEMORY] = {
+ .peak_rate = 465000, /* 465 MBps */
+ .average_rate = 80000, /* 80 MBps */
+ },
+ /* Average rate is unused for the next two interconnects */
+ [IPA_INTERCONNECT_IMEM] = {
+ .peak_rate = 68570, /* 68.570 MBps */
+ .average_rate = 0, /* unused */
+ },
+ [IPA_INTERCONNECT_CONFIG] = {
+ .peak_rate = 30000, /* 30 MBps */
+ .average_rate = 0, /* unused */
+ },
+ },
+};
+
/* Configuration data for the SC7180 SoC. */
const struct ipa_data ipa_data_sc7180 = {
.version = IPA_VERSION_4_2,
@@ -316,4 +336,5 @@ const struct ipa_data ipa_data_sc7180 = {
.endpoint_data = ipa_gsi_endpoint_data,
.resource_data = &ipa_resource_data,
.mem_data = &ipa_mem_data,
+ .clock_data = &ipa_clock_data,
};
diff --git a/drivers/net/ipa/ipa_data-sdm845.c b/drivers/net/ipa/ipa_data-sdm845.c
index bd92b619e7feca37603ab829f83c9618181be856..f8fee8d3ca42a5500ea0a71b9ab1a54412af3d14 100644
--- a/drivers/net/ipa/ipa_data-sdm845.c
+++ b/drivers/net/ipa/ipa_data-sdm845.c
@@ -329,6 +329,26 @@ static struct ipa_mem_data ipa_mem_data = {
.smem_size = 0x00002000,
};
+static struct ipa_clock_data ipa_clock_data = {
+ .core_clock_rate = 75 * 1000 * 1000, /* Hz */
+ /* Interconnect rates are in 1000 byte/second units */
+ .interconnect = {
+ [IPA_INTERCONNECT_MEMORY] = {
+ .peak_rate = 600000, /* 600 MBps */
+ .average_rate = 80000, /* 80 MBps */
+ },
+ /* Average rate is unused for the next two interconnects */
+ [IPA_INTERCONNECT_IMEM] = {
+ .peak_rate = 350000, /* 350 MBps */
+ .average_rate = 0, /* unused */
+ },
+ [IPA_INTERCONNECT_CONFIG] = {
+ .peak_rate = 40000, /* 40 MBps */
+ .average_rate = 0, /* unused */
+ },
+ },
+};
+
/* Configuration data for the SDM845 SoC. */
const struct ipa_data ipa_data_sdm845 = {
.version = IPA_VERSION_3_5_1,
@@ -336,4 +356,5 @@ const struct ipa_data ipa_data_sdm845 = {
.endpoint_data = ipa_gsi_endpoint_data,
.resource_data = &ipa_resource_data,
.mem_data = &ipa_mem_data,
+ .clock_data = &ipa_clock_data,
};
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 83c4b78373efb096223345ec5c40f5c0d4007151..0ed5ffe2b8da0eea2fb1cbfdafa6a19bd5d07abb 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -241,7 +241,7 @@ struct ipa_resource_data {
};
/**
- * struct ipa_mem - description of IPA memory regions
+ * struct ipa_mem_data - description of IPA memory regions
* @local_count: number of regions defined in the local[] array
* @local: array of IPA-local memory region descriptors
* @imem_addr: physical address of IPA region within IMEM
@@ -258,6 +258,34 @@ struct ipa_mem_data {
u32 smem_size;
};
+/** enum ipa_interconnect_id - IPA interconnect identifier */
+enum ipa_interconnect_id {
+ IPA_INTERCONNECT_MEMORY,
+ IPA_INTERCONNECT_IMEM,
+ IPA_INTERCONNECT_CONFIG,
+ IPA_INTERCONNECT_COUNT, /* Last; not an interconnect */
+};
+
+/**
+ * struct ipa_interconnect_data - description of IPA interconnect rates
+ * @peak_rate: Peak interconnect bandwidth (in 1000 byte/sec units)
+ * @average_rate: Average interconnect bandwidth (in 1000 byte/sec units)
+ */
+struct ipa_interconnect_data {
+ u32 peak_rate;
+ u32 average_rate;
+};
+
+/**
+ * struct ipa_clock_data - description of IPA clock and interconnect rates
+ * @core_clock_rate: Core clock rate (Hz)
+ * @interconnect: Array of interconnect bandwidth parameters
+ */
+struct ipa_clock_data {
+ u32 core_clock_rate;
+ struct ipa_interconnect_data interconnect[IPA_INTERCONNECT_COUNT];
+};
+
/**
* struct ipa_data - combined IPA/GSI configuration data
* @version: IPA hardware version
@@ -273,6 +301,7 @@ struct ipa_data {
const struct ipa_gsi_endpoint_data *endpoint_data;
const struct ipa_resource_data *resource_data;
const struct ipa_mem_data *mem_data;
+ const struct ipa_clock_data *clock_data;
};
extern const struct ipa_data ipa_data_sdm845;
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 3fb9c5d90b70ed80a881ffe4283d42c8bcf160d9..468ab1acc20e0c474a8828eda28e1ade4ee73099 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -728,6 +728,14 @@ static int ipa_probe(struct platform_device *pdev)
ipa_validate_build();
+ /* Get configuration data early; needed for clock initialization */
+ data = of_device_get_match_data(dev);
+ if (!data) {
+ /* This is really IPA_VALIDATE (should never happen) */
+ dev_err(dev, "matched hardware not supported\n");
+ return -ENODEV;
+ }
+
/* If we need Trust Zone, make sure it's available */
modem_init = of_property_read_bool(dev->of_node, "modem-init");
if (!modem_init)
@@ -748,22 +756,13 @@ static int ipa_probe(struct platform_device *pdev)
/* The clock and interconnects might not be ready when we're
* probed, so might return -EPROBE_DEFER.
*/
- clock = ipa_clock_init(dev);
+ clock = ipa_clock_init(dev, data->clock_data);
if (IS_ERR(clock)) {
ret = PTR_ERR(clock);
goto err_rproc_put;
}
- /* No more EPROBE_DEFER. Get our configuration data */
- data = of_device_get_match_data(dev);
- if (!data) {
- /* This is really IPA_VALIDATE (should never happen) */
- dev_err(dev, "matched hardware not supported\n");
- ret = -ENOTSUPP;
- goto err_clock_exit;
- }
-
- /* Allocate and initialize the IPA structure */
+ /* No more EPROBE_DEFER. Allocate and initialize the IPA structure */
ipa = kzalloc(sizeof(*ipa), GFP_KERNEL);
if (!ipa) {
ret = -ENOMEM;