diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/xilinx/zynqmp/cmds.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/board/xilinx/zynqmp/cmds.c b/board/xilinx/zynqmp/cmds.c index f8c8674f87..3e039ccb13 100644 --- a/board/xilinx/zynqmp/cmds.c +++ b/board/xilinx/zynqmp/cmds.c @@ -6,6 +6,7 @@ #include <common.h> #include <malloc.h> +#include <asm/arch/hardware.h> #include <asm/arch/sys_proto.h> #include <asm/io.h> @@ -102,10 +103,36 @@ static int do_zynqmp_mmio_write(cmd_tbl_t *cmdtp, int flag, int argc, return ret; } +#ifdef CONFIG_DEFINE_TCM_OCM_MMAP +static int do_zynqmp_tcm_init(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + u8 mode; + + if (argc != cmdtp->maxargs) + return CMD_RET_USAGE; + + mode = simple_strtoul(argv[2], NULL, 16); + if (mode != TCM_LOCK && mode != TCM_SPLIT) { + printf("Mode should be either 0(lock)/1(split)\n"); + return CMD_RET_FAILURE; + } + + dcache_disable(); + tcm_init(mode); + dcache_enable(); + + return CMD_RET_SUCCESS; +} +#endif + static cmd_tbl_t cmd_zynqmp_sub[] = { U_BOOT_CMD_MKENT(secure, 5, 0, do_zynqmp_verify_secure, "", ""), U_BOOT_CMD_MKENT(mmio_read, 3, 0, do_zynqmp_mmio_read, "", ""), U_BOOT_CMD_MKENT(mmio_write, 5, 0, do_zynqmp_mmio_write, "", ""), +#ifdef CONFIG_DEFINE_TCM_OCM_MMAP + U_BOOT_CMD_MKENT(tcminit, 3, 0, do_zynqmp_tcm_init, "", ""), +#endif }; /** @@ -145,7 +172,15 @@ static char zynqmp_help_text[] = " be used for decryption\n" "zynqmp mmio_read address - read from address\n" "zynqmp mmio_write address mask value - write value after masking to\n" - " address\n"; + " address\n" +#ifdef CONFIG_DEFINE_TCM_OCM_MMAP + "zynqmp tcminit mode - Initialize the TCM with zeros. TCM needs to be\n" + " initialized before accessing to avoid ECC\n" + " errors. mode specifies in which mode TCM has\n" + " to be initialized. Supported modes will be\n" + " lock(0)/split(1)\n" +#endif + ; #endif U_BOOT_CMD( |