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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-02-22 15:12:53 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-02-22 15:12:53 +0000 |
| commit | 9b7ec55c5c66ca466a8e34f7780f13a8e77b8a99 (patch) | |
| tree | 8fea707d9f5278b66c27b687759d3a788396990e /hw/sd/sd.c | |
| parent | d7ecb8675298fefdaea35f6d7a558e91ec0b4138 (diff) | |
| download | focaccia-qemu-9b7ec55c5c66ca466a8e34f7780f13a8e77b8a99.tar.gz focaccia-qemu-9b7ec55c5c66ca466a8e34f7780f13a8e77b8a99.zip | |
sdcard: clean the SCR register and add few comments
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Message-id: 20180215221325.7611-5-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/sd/sd.c')
| -rw-r--r-- | hw/sd/sd.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 3526269dbe..c87142d648 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -298,10 +298,13 @@ static void sd_ocr_powerup(void *opaque) static void sd_set_scr(SDState *sd) { - sd->scr[0] = 0x00; /* SCR Structure */ - sd->scr[1] = 0x2f; /* SD Security Support */ - sd->scr[2] = 0x00; + sd->scr[0] = (0 << 4) /* SCR version 1.0 */ + | 0; /* Spec Versions 1.0 and 1.01 */ + sd->scr[1] = (2 << 4) /* SDSC Card (Security Version 1.01) */ + | 0b0101; /* 1-bit or 4-bit width bus modes */ + sd->scr[2] = 0x00; /* Extended Security is not supported. */ sd->scr[3] = 0x00; + /* reserved for manufacturer usage */ sd->scr[4] = 0x00; sd->scr[5] = 0x00; sd->scr[6] = 0x00; |