diff options
-rw-r--r-- | src/mainboard/google/rush/Kconfig | 8 | ||||
-rw-r--r-- | src/mainboard/google/rush/mainboard.c | 21 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/google/rush/Kconfig b/src/mainboard/google/rush/Kconfig index eaae86ce8c..f723a6c10d 100644 --- a/src/mainboard/google/rush/Kconfig +++ b/src/mainboard/google/rush/Kconfig @@ -95,4 +95,12 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS hex default 1 +config DRAM_DMA_START + hex + default 0xc0000000 + +config DRAM_DMA_SIZE + hex + default 0x00200000 + endif # BOARD_GOOGLE_RUSH diff --git a/src/mainboard/google/rush/mainboard.c b/src/mainboard/google/rush/mainboard.c index c4b0b441c4..35417f07ce 100644 --- a/src/mainboard/google/rush/mainboard.c +++ b/src/mainboard/google/rush/mainboard.c @@ -17,9 +17,11 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <arch/mmu.h> #include <device/device.h> #include <boot/coreboot_tables.h> +#include <memrange.h> #include <soc/clock.h> #include <soc/nvidia/tegra132/clk_rst.h> #include <soc/nvidia/tegra132/spi.h> @@ -86,3 +88,22 @@ struct chip_operations mainboard_ops = { .name = "rush", .enable_dev = mainboard_enable, }; + + +void mainboard_add_memory_ranges(struct memranges *map) +{ + /* Create non-cacheable region for DMA operations. */ + memranges_insert(map, CONFIG_DRAM_DMA_START, CONFIG_DRAM_DMA_SIZE, + MA_MEM | MA_MEM_NC | MA_NS | MA_RW); +} + +void lb_board(struct lb_header *header) +{ + struct lb_range *dma; + + dma = (struct lb_range *)lb_new_record(header); + dma->tag = LB_TAB_DMA; + dma->size = sizeof(*dma); + dma->range_start = CONFIG_DRAM_DMA_START; + dma->range_size = CONFIG_DRAM_DMA_SIZE; +} |