---
ChangeLog:
v2->v3:
* fix commit message typo and drop imx8ulp fixes tag
Patch content unchanged.
v1->v2:
* using ioremap_wc for non TCM memory
---
drivers/remoteproc/imx_rproc.c | 35 ++++++++++++++++++++--------------
1 file changed, 21 insertions(+), 14 deletions(-)
diff --git a/drivers/remoteproc/imx_rproc.c
b/drivers/remoteproc/imx_rproc.c index d88f76f5305e..71dcc6dd32e4
100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -71,6 +71,7 @@ struct imx_rproc_mem {
/* att flags */
/* M4 own area. Can be mapped at probe */
#define ATT_OWN BIT(1)
+#define ATT_IOMEM BIT(2)
/* address translation table */
struct imx_rproc_att {@@ -117,7 +118,7 @@ struct imx_rproc {
static const struct imx_rproc_att imx_rproc_att_imx8mn[] = {
/* dev addr , sys addr , size , flags */
/* ITCM */
- { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN },
+ { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM },
/* OCRAM_S */
{ 0x00180000, 0x00180000, 0x00009000, 0 },
/* OCRAM */@@ -131,7 +132,7 @@ static const struct imx_rproc_att
imx_rproc_att_imx8mn[] = {
/* DDR (Code) - alias */
{ 0x10000000, 0x40000000, 0x0FFE0000, 0 },
/* DTCM */
- { 0x20000000, 0x00800000, 0x00020000, ATT_OWN },
+ { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM },
/* OCRAM_S - alias */
{ 0x20180000, 0x00180000, 0x00008000, ATT_OWN },
/* OCRAM */@@ -147,7 +148,7 @@ static const struct imx_rproc_att
imx_rproc_att_imx8mn[] = { static const struct imx_rproc_att
imx_rproc_att_imx8mq[] = {
/* dev addr , sys addr , size , flags */
/* TCML - alias */
- { 0x00000000, 0x007e0000, 0x00020000, 0 },
+ { 0x00000000, 0x007e0000, 0x00020000, ATT_IOMEM},
/* OCRAM_S */
{ 0x00180000, 0x00180000, 0x00008000, 0 },
/* OCRAM */@@ -159,9 +160,9 @@ static const struct imx_rproc_att
imx_rproc_att_imx8mq[] = {
/* DDR (Code) - alias */
{ 0x10000000, 0x80000000, 0x0FFE0000, 0 },
/* TCML */
- { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN },
+ { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM},
/* TCMU */
- { 0x20000000, 0x00800000, 0x00020000, ATT_OWN },
+ { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM},
/* OCRAM_S */
{ 0x20180000, 0x00180000, 0x00008000, ATT_OWN },
/* OCRAM */@@ -199,12 +200,12 @@ static const struct imx_rproc_att
imx_rproc_att_imx7d[] = {
/* OCRAM_PXP (Code) - alias */
{ 0x00940000, 0x00940000, 0x00008000, 0 },
/* TCML (Code) */
- { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN },
+ { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM },
/* DDR (Code) - alias, first part of DDR (Data) */
{ 0x10000000, 0x80000000, 0x0FFF0000, 0 },
/* TCMU (Data) */
- { 0x20000000, 0x00800000, 0x00008000, ATT_OWN },
+ { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM },
/* OCRAM (Data) */
{ 0x20200000, 0x00900000, 0x00020000, 0 },
/* OCRAM_EPDC (Data) */@@ -218,18 +219,18 @@ static const struct imx_rproc_att
imx_rproc_att_imx7d[] = { static const struct imx_rproc_att
imx_rproc_att_imx6sx[] = {
/* dev addr , sys addr , size , flags */
/* TCML (M4 Boot Code) - alias */
- { 0x00000000, 0x007F8000, 0x00008000, 0 },
+ { 0x00000000, 0x007F8000, 0x00008000, ATT_IOMEM },
/* OCRAM_S (Code) */
{ 0x00180000, 0x008F8000, 0x00004000, 0 },
/* OCRAM_S (Code) - alias */
{ 0x00180000, 0x008FC000, 0x00004000, 0 },
/* TCML (Code) */
- { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN },
+ { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM },
/* DDR (Code) - alias, first part of DDR (Data) */
{ 0x10000000, 0x80000000, 0x0FFF8000, 0 },
/* TCMU (Data) */
- { 0x20000000, 0x00800000, 0x00008000, ATT_OWN },
+ { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM },
/* OCRAM_S (Data) - alias? */
{ 0x208F8000, 0x008F8000, 0x00004000, 0 },
/* DDR (Data) */@@ -341,7 +342,7 @@ static int imx_rproc_stop(struct rproc *rproc) }
static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
- size_t len, u64 *sys)
+ size_t len, u64 *sys, bool *is_iomem)
{
const struct imx_rproc_dcfg *dcfg = priv->dcfg;
int i;@@ -354,6 +355,8 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv,
u64 da,
unsigned int offset = da - att->da;
*sys = att->sa + offset;
+ if (is_iomem)
+ *is_iomem = att->flags & ATT_IOMEM;
return 0;
}
}
@@ -377,7 +380,7 @@ static void *imx_rproc_da_to_va(struct rproc *rproc,
u64 da, size_t len, bool *i
* On device side we have many aliases, so we need to convert device
* address (M4) to system bus address first.
*/
- if (imx_rproc_da_to_sys(priv, da, len, &sys))
+ if (imx_rproc_da_to_sys(priv, da, len, &sys, is_iomem))
return NULL;
for (i = 0; i < IMX_RPROC_MEM_MAX; i++) { @@ -553,8 +556,12 @@
static int imx_rproc_addr_init(struct imx_rproc *priv,
if (b >= IMX_RPROC_MEM_MAX)
break;
- priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev,
- att->sa, att->size);
+ if (att->flags & ATT_IOMEM)
+ priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev,
+ att->sa, att->size);
+ else
+ priv->mem[b].cpu_addr = devm_ioremap_wc(&pdev->dev,
+ att->sa, att->size);
if (!priv->mem[b].cpu_addr) {
dev_err(dev, "failed to remap %#x bytes from %#x\n", att->size,
att->sa);
return -ENOMEM;
--
2.25.1