Tegra194: enable driver for general purpose DMA engine
This patch enables the GPCDMA for all Tegra194 platforms to help
accelerate all the memory copy operations.
Change-Id: I8cbec99be6ebe4da74221245668b321ba9693479
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/include/t194/tegra_def.h b/plat/nvidia/tegra/include/t194/tegra_def.h
index 9737a29..df1d656 100644
--- a/plat/nvidia/tegra/include/t194/tegra_def.h
+++ b/plat/nvidia/tegra/include/t194/tegra_def.h
@@ -54,6 +54,11 @@
#define MISCREG_PFCFG U(0x200C)
/*******************************************************************************
+ * Tegra General Purpose Centralised DMA constants
+ ******************************************************************************/
+#define TEGRA_GPCDMA_BASE U(0x02610000)
+
+/*******************************************************************************
* Tegra Memory Controller constants
******************************************************************************/
#define TEGRA_MC_STREAMID_BASE U(0x02C00000)
@@ -248,6 +253,8 @@
#define TEGRA_GPU_RESET_GPU_SET_OFFSET U(0x1C)
#define GPU_RESET_BIT (U(1) << 0)
#define GPU_SET_BIT (U(1) << 0)
+#define TEGRA_GPCDMA_RST_SET_REG_OFFSET U(0x6A0004)
+#define TEGRA_GPCDMA_RST_CLR_REG_OFFSET U(0x6A0008)
/*******************************************************************************
* XUSB STREAMIDs
diff --git a/plat/nvidia/tegra/soc/t194/plat_setup.c b/plat/nvidia/tegra/soc/t194/plat_setup.c
index c064bdf..912dcc6 100644
--- a/plat/nvidia/tegra/soc/t194/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t194/plat_setup.c
@@ -68,6 +68,8 @@
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_TSA_BASE, 0x20000U, /* 128KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+ MAP_REGION_FLAT(TEGRA_GPCDMA_BASE, 0x10000U, /* 64KB */
+ (uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_MC_STREAMID_BASE, 0x8000U, /* 32KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_MC_BASE, 0x8000U, /* 32KB */
diff --git a/plat/nvidia/tegra/soc/t194/platform_t194.mk b/plat/nvidia/tegra/soc/t194/platform_t194.mk
index 1389f8f..1e49e51 100644
--- a/plat/nvidia/tegra/soc/t194/platform_t194.mk
+++ b/plat/nvidia/tegra/soc/t194/platform_t194.mk
@@ -8,9 +8,12 @@
ENABLE_CONSOLE_SPE := 0
$(eval $(call add_define,ENABLE_CONSOLE_SPE))
-ENABLE_STRICT_CHECKING_MODE := 1
+ENABLE_STRICT_CHECKING_MODE := 1
$(eval $(call add_define,ENABLE_STRICT_CHECKING_MODE))
+USE_GPC_DMA := 1
+$(eval $(call add_define,USE_GPC_DMA))
+
RESET_TO_BL31 := 1
PROGRAMMABLE_RESET_ADDRESS := 1
@@ -40,6 +43,7 @@
lib/cpus/aarch64/denver.S \
${COMMON_DIR}/drivers/bpmp_ipc/intf.c \
${COMMON_DIR}/drivers/bpmp_ipc/ivc.c \
+ ${COMMON_DIR}/drivers/gpcdma/gpcdma.c \
${COMMON_DIR}/drivers/memctrl/memctrl_v2.c \
${COMMON_DIR}/drivers/smmu/smmu.c \
${SOC_DIR}/drivers/mce/mce.c \