Load the optional resource table from the firmware, and write its
address in the dedicated backup register.
Signed-off-by: Fabien Dessenne <fabien.desse...@st.com>
---
drivers/remoteproc/stm32_copro.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c
index 40bba37..eef3416 100644
--- a/drivers/remoteproc/stm32_copro.c
+++ b/drivers/remoteproc/stm32_copro.c
@@ -23,6 +23,7 @@
* @hold_boot_offset: offset of the register controlling the hold boot setting
* @hold_boot_mask: bitmask of the register for the hold boot field
* @is_running: is the remote processor running
+ * @rsc_table_addr: resource table address
*/
struct stm32_copro_privdata {
struct reset_ctl reset_ctl;
@@ -30,6 +31,7 @@ struct stm32_copro_privdata {
uint hold_boot_offset;
uint hold_boot_mask;
bool is_running;
+ ulong rsc_table_addr;
};
/**
@@ -141,6 +143,7 @@ static void *stm32_copro_device_to_virt(struct udevice
*dev, ulong da,
static int stm32_copro_load(struct udevice *dev, ulong addr, ulong size)
{
struct stm32_copro_privdata *priv;
+ ulong rsc_table_size;
int ret;
priv = dev_get_priv(dev);
@@ -155,6 +158,12 @@ static int stm32_copro_load(struct udevice *dev, ulong
addr, ulong size)
return ret;
}
+ if (rproc_elf32_load_rsc_table(dev, addr, size, &priv->rsc_table_addr,
+ &rsc_table_size)) {
+ priv->rsc_table_addr = 0;
+ dev_warn(dev, "No valid resource table for this firmware\n");
+ }
+
return rproc_elf32_load_image(dev, addr, size);
}
@@ -180,6 +189,10 @@ static int stm32_copro_start(struct udevice *dev)
* rebooting autonomously
*/
ret = stm32_copro_set_hold_boot(dev, true);
+ if (!ret)
+ /* Store rsc_address in bkp register */
+ writel(priv->rsc_table_addr, TAMP_COPRO_RSC_TBL_ADDRESS);
+
priv->is_running = !ret;
return ret;
}
--
2.7.4
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