diff options
| author | Fabien Dessenne <fabien.dessenne@st.com> | 2019-10-30 14:38:33 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-01-07 11:13:25 -0500 |
| commit | 33fd41951a8bf61be33b2b793a2c87a62eb0c1cf (patch) | |
| tree | 872b1175eb527d3682b5cd53607e8b30541b335d /drivers/remoteproc/stm32_copro.c | |
| parent | 790d5b367025921c1c520eba280b1bd4313a0aa0 (diff) | |
remoteproc: stm32: load resource table from firmware
Load the optional resource table from the firmware, and write its
address in the dedicated backup register.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'drivers/remoteproc/stm32_copro.c')
| -rw-r--r-- | drivers/remoteproc/stm32_copro.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c index dcafa549d6..c25488f54d 100644 --- a/drivers/remoteproc/stm32_copro.c +++ b/drivers/remoteproc/stm32_copro.c @@ -22,12 +22,14 @@ * @hold_boot_regmap: regmap for remote processor reset hold boot * @hold_boot_offset: offset of the register controlling the hold boot setting * @hold_boot_mask: bitmask of the register for the hold boot field + * @rsc_table_addr: resource table address */ struct stm32_copro_privdata { struct reset_ctl reset_ctl; struct regmap *hold_boot_regmap; uint hold_boot_offset; uint hold_boot_mask; + ulong rsc_table_addr; }; /** @@ -139,6 +141,7 @@ 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); @@ -153,6 +156,12 @@ 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); } @@ -163,8 +172,11 @@ static int stm32_copro_load(struct udevice *dev, ulong addr, ulong size) */ static int stm32_copro_start(struct udevice *dev) { + struct stm32_copro_privdata *priv; int ret; + priv = dev_get_priv(dev); + /* move hold boot from true to false start the copro */ ret = stm32_copro_set_hold_boot(dev, false); if (ret) @@ -177,6 +189,10 @@ static int stm32_copro_start(struct udevice *dev) ret = stm32_copro_set_hold_boot(dev, true); writel(ret ? TAMP_COPRO_STATE_OFF : TAMP_COPRO_STATE_CRUN, TAMP_COPRO_STATE); + if (!ret) + /* Store rsc_address in bkp register */ + writel(priv->rsc_table_addr, TAMP_COPRO_RSC_TBL_ADDRESS); + return ret; } |