diff options
| author | Ying-Chun Liu (PaulLiu) | 2021-08-24 17:44:19 +0800 |
|---|---|---|
| committer | Stefano Babic | 2021-10-07 16:53:50 +0200 |
| commit | 0f328fcc4ccfdf575794987799eee008ae4ca3bf (patch) | |
| tree | 75d73cdb899a1dc2eccfefed68eadea6472ba557 /board/compulab | |
| parent | d9a6f0eed66a39206b13513ec914f14084c3bb73 (diff) | |
arm: imx8m: imx8mm-cl-iot-gate: Add support for detect memory size
When purchasing imx8mm-cl-iot-gate it is able to customize the
memory size. It could be 1GB, 2GB and 4GB. We implement
board_phys_sdram_size() to detect the memory size for usage.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Frieder Schrempf <frieder.schrempf@kontron.de>
Cc: uboot-imx <uboot-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
Diffstat (limited to 'board/compulab')
| -rw-r--r-- | board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c b/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c index eabcc842a48..cd15410978e 100644 --- a/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c +++ b/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c @@ -6,6 +6,7 @@ #include <common.h> #include <env.h> +#include <hang.h> #include <init.h> #include <miiphy.h> #include <netdev.h> @@ -14,8 +15,32 @@ #include <asm/arch/sys_proto.h> #include <asm/io.h> +#include "ddr/ddr.h" + DECLARE_GLOBAL_DATA_PTR; +int board_phys_sdram_size(phys_size_t *size) +{ + struct lpddr4_tcm_desc *lpddr4_tcm_desc = + (struct lpddr4_tcm_desc *)TCM_DATA_CFG; + + switch (lpddr4_tcm_desc->size) { + case 4096: + case 2048: + case 1024: + *size = (1L << 20) * lpddr4_tcm_desc->size; + break; + default: + printf("%s: DRAM size %uM is not supported\n", + __func__, + lpddr4_tcm_desc->size); + hang(); + break; + }; + + return 0; +} + static int setup_fec(void) { if (IS_ENABLED(CONFIG_FEC_MXC)) { |