This patch introduces da8xx_rproc_parse_fw() to declare a
carveout region based on reserved memory for vdev buffer
allocation.
Signed-off-by: Loic Pallardy <loic.pallardy@xxxxxx>
---
drivers/remoteproc/da8xx_remoteproc.c | 38 +++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c
index b668e32..679a076 100644
--- a/drivers/remoteproc/da8xx_remoteproc.c
+++ b/drivers/remoteproc/da8xx_remoteproc.c
@@ -16,6 +16,7 @@
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_address.h>
#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <linux/remoteproc.h>
@@ -179,10 +180,47 @@ static void da8xx_rproc_kick(struct rproc *rproc, int vqid)
writel(SYSCFG_CHIPSIG2, drproc->chipsig);
}
+static int da8xx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
+{
+ struct device *dev = rproc->dev.parent;
+ struct rproc_mem_entry *mem;
+ struct device_node *node;
+ struct resource res;
+ int err;
+
+ node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (!node) {
+ dev_err(dev, "No memory-region specified\n");
+ return -EINVAL;
+ }
+
+ err = of_address_to_resource(node, 0, &res);
+ if (err) {
+ dev_err(dev, "Bad memory-region definition\n");
+ return err;
+ }
+
+ /* Register memory region for vdev buffer allocation */
+ mem = rproc_of_resm_mem_entry_init(dev, 0, resource_size(&res),
+ res.start, "vdev0buffer");
+
+ if (!mem)
+ return -ENOMEM;
+
+ rproc_add_carveout(rproc, mem);
+
+ return rproc_elf_load_rsc_table(rproc, fw);
+}
+
static const struct rproc_ops da8xx_rproc_ops = {
.start = da8xx_rproc_start,
.stop = da8xx_rproc_stop,
.kick = da8xx_rproc_kick,
+ .parse_fw = da8xx_rproc_parse_fw,
+ .load = rproc_elf_load_segments,
+ .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
+ .sanity_check = rproc_elf_sanity_check,
+ .get_boot_addr = rproc_elf_get_boot_addr,
};
static int da8xx_rproc_get_internal_memories(struct platform_device *pdev,
--
1.9.1
--
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