diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c')
-rw-r--r-- | qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c b/qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c new file mode 100644 index 000000000..3832248cb --- /dev/null +++ b/qemu/roms/u-boot/common/cmd_dataflash_mmc_mux.c @@ -0,0 +1,48 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> + +static int mmc_nspi (const char *); + +int do_dataflash_mmc_mux (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + switch (argc) { + case 2: /* on / off */ + switch (mmc_nspi (argv[1])) { + case 0: AT91F_SelectSPI (); + break; + case 1: AT91F_SelectMMC (); + break; + } + case 1: /* get status */ + printf ("Mux is configured to be %s\n", + AT91F_GetMuxStatus () ? "MMC" : "SPI"); + return 0; + default: + return CMD_RET_USAGE; + } + return 0; +} + +static int mmc_nspi (const char *s) +{ + if (strcmp (s, "mmc") == 0) { + return 1; + } else if (strcmp (s, "spi") == 0) { + return 0; + } + return -1; +} + +U_BOOT_CMD( + dataflash_mmc_mux, 2, 1, do_dataflash_mmc_mux, + "enable or disable MMC or SPI\n", + "[mmc, spi]\n" + " - enable or disable MMC or SPI" +); |