diff mbox series

[RFC,13/15] sd: emmc: Subtract bootarea size from blk

Message ID 1613031446-22154-14-git-send-email-sai.pavan.boddu@xilinx.com
State Superseded
Headers show
Series None | expand

Commit Message

Sai Pavan Boddu Feb. 11, 2021, 8:17 a.m. UTC 
From: Joel Stanley <joel@jms.id.au>


The userdata size is derived from the file the user passes on the
command line, but we must take into account the boot areas.

Signed-off-by: Joel Stanley <joel@jms.id.au>

Signed-off-by: Cédric Le Goater <clg@kaod.org>

---
 hw/sd/sd.c | 5 +++++
 1 file changed, 5 insertions(+)

-- 
2.7.4

Comments

Alistair Francis Feb. 12, 2021, 10:11 p.m. UTC | #1 
On Thu, Feb 11, 2021 at 12:25 AM Sai Pavan Boddu
<sai.pavan.boddu@xilinx.com> wrote:
>

> From: Joel Stanley <joel@jms.id.au>

>

> The userdata size is derived from the file the user passes on the

> command line, but we must take into account the boot areas.

>

> Signed-off-by: Joel Stanley <joel@jms.id.au>

> Signed-off-by: Cédric Le Goater <clg@kaod.org>


Acked-by: Alistair Francis <alistair.francis@wdc.com>


Alistair

> ---

>  hw/sd/sd.c | 5 +++++

>  1 file changed, 5 insertions(+)

>

> diff --git a/hw/sd/sd.c b/hw/sd/sd.c

> index 55c1104..a2f39c9 100644

> --- a/hw/sd/sd.c

> +++ b/hw/sd/sd.c

> @@ -658,6 +658,11 @@ static void sd_reset(DeviceState *dev)

>      }

>      size = sect << 9;

>

> +    if (sd->emmc) {

> +        unsigned int boot_capacity = sd->ext_csd[EXT_CSD_BOOT_MULT] << 17;

> +        size -= boot_capacity * 2;

> +    }

> +

>      sect = sd_addr_to_wpnum(size) + 1;

>

>      sd->state = sd_idle_state;

> --

> 2.7.4

>

>
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 55c1104..a2f39c9 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -658,6 +658,11 @@  static void sd_reset(DeviceState *dev)
     }
     size = sect << 9;
 
+    if (sd->emmc) {
+        unsigned int boot_capacity = sd->ext_csd[EXT_CSD_BOOT_MULT] << 17;
+        size -= boot_capacity * 2;
+    }
+
     sect = sd_addr_to_wpnum(size) + 1;
 
     sd->state = sd_idle_state;