crypto: Add bus scaling request.
Add bus bandwidth request in crypto driver modules.
Add bus scaling request information to platform data files.
Currently the support for bandwidth request is enabled and tested on
msm8960 only.
Change-Id: I77edb827b1633218405cecf3a494c13b7b982c05
Signed-off-by: Ramesh Masavarapu <rameshm@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8960.c b/arch/arm/mach-msm/board-8960.c
index bc9a2ba..859337a 100644
--- a/arch/arm/mach-msm/board-8960.c
+++ b/arch/arm/mach-msm/board-8960.c
@@ -605,6 +605,55 @@
#define QCE_SHARE_CE_RESOURCE 1
#define QCE_CE_SHARED 0
+/* Begin Bus scaling definitions */
+static struct msm_bus_vectors crypto_hw_init_vectors[] = {
+ {
+ .src = MSM_BUS_MASTER_ADM_PORT0,
+ .dst = MSM_BUS_SLAVE_EBI_CH0,
+ .ab = 0,
+ .ib = 0,
+ },
+ {
+ .src = MSM_BUS_MASTER_ADM_PORT1,
+ .dst = MSM_BUS_SLAVE_GSBI1_UART,
+ .ab = 0,
+ .ib = 0,
+ },
+};
+
+static struct msm_bus_vectors crypto_hw_active_vectors[] = {
+ {
+ .src = MSM_BUS_MASTER_ADM_PORT0,
+ .dst = MSM_BUS_SLAVE_EBI_CH0,
+ .ab = 70000000UL,
+ .ib = 70000000UL,
+ },
+ {
+ .src = MSM_BUS_MASTER_ADM_PORT1,
+ .dst = MSM_BUS_SLAVE_GSBI1_UART,
+ .ab = 2480000000UL,
+ .ib = 2480000000UL,
+ },
+};
+
+static struct msm_bus_paths crypto_hw_bus_scale_usecases[] = {
+ {
+ ARRAY_SIZE(crypto_hw_init_vectors),
+ crypto_hw_init_vectors,
+ },
+ {
+ ARRAY_SIZE(crypto_hw_active_vectors),
+ crypto_hw_active_vectors,
+ },
+};
+
+static struct msm_bus_scale_pdata crypto_hw_bus_scale_pdata = {
+ crypto_hw_bus_scale_usecases,
+ ARRAY_SIZE(crypto_hw_bus_scale_usecases),
+ .name = "cryptohw",
+};
+/* End Bus Scaling Definitions*/
+
static struct resource qcrypto_resources[] = {
[0] = {
.start = QCE_0_BASE,
@@ -667,6 +716,7 @@
.shared_ce_resource = QCE_SHARE_CE_RESOURCE,
.hw_key_support = QCE_HW_KEY_SUPPORT,
.sha_hmac = QCE_SHA_HMAC_SUPPORT,
+ .bus_scale_table = &crypto_hw_bus_scale_pdata,
};
static struct platform_device qcrypto_device = {
@@ -689,6 +739,7 @@
.shared_ce_resource = QCE_SHARE_CE_RESOURCE,
.hw_key_support = QCE_HW_KEY_SUPPORT,
.sha_hmac = QCE_SHA_HMAC_SUPPORT,
+ .bus_scale_table = &crypto_hw_bus_scale_pdata,
};
static struct platform_device qcedev_device = {