Use the shared-memory-pool mechanism for free buffer proxy record
area allocation.
Signed-off-by: Roy Pledge <roy.pledge@xxxxxxx>
---
drivers/soc/fsl/qbman/bman_ccsr.c | 27 ++++++++++++++++++++++++++-
drivers/soc/fsl/qbman/bman_priv.h | 3 +++
2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/fsl/qbman/bman_ccsr.c b/drivers/soc/fsl/qbman/bman_ccsr.c
index a8e8389..5485c3c 100644
--- a/drivers/soc/fsl/qbman/bman_ccsr.c
+++ b/drivers/soc/fsl/qbman/bman_ccsr.c
@@ -170,10 +170,11 @@ static int fsl_bman_probe(struct platform_device *pdev)
{
int ret, err_irq;
struct device *dev = &pdev->dev;
- struct device_node *node = dev->of_node;
+ struct device_node *mem_node, *node = dev->of_node;
struct resource *res;
u16 id, bm_pool_cnt;
u8 major, minor;
+ u64 size;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -201,6 +202,30 @@ static int fsl_bman_probe(struct platform_device *pdev)
return -ENODEV;
}
+ ret = of_reserved_mem_device_init(dev);
+ if (ret) {
+ dev_err(dev, "of_reserved_mem_device_init() failed 0x%x\n", ret);
+ return -ENODEV;
+ }
+ mem_node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (mem_node) {
+ ret = of_property_read_u64(mem_node, "size", &size);
+ if (ret) {
+ dev_err(dev, "FBPR: of_address_to_resource fails 0x%x\n", ret);
+ return -ENODEV;
+ }
+ fbpr_sz = size;
+ } else {
+ dev_err(dev, "No memory-region found for FBPR\n");
+ return -ENODEV;
+ }
+ if (!dma_zalloc_coherent(dev, fbpr_sz, &fbpr_a, 0)) {
+ dev_err(dev, "Alloc FBPR memory failed\n");
+ return -ENODEV;
+ }
+
+ dev_info(dev, "Allocated FBPR 0x%llx 0x%zx\n", fbpr_a, fbpr_sz);
+
bm_set_memory(fbpr_a, fbpr_sz);
err_irq = platform_get_irq(pdev, 0);
diff --git a/drivers/soc/fsl/qbman/bman_priv.h b/drivers/soc/fsl/qbman/bman_priv.h
index f6896a2..765a4bf 100644
--- a/drivers/soc/fsl/qbman/bman_priv.h
+++ b/drivers/soc/fsl/qbman/bman_priv.h
@@ -33,6 +33,9 @@
#include "dpaa_sys.h"
#include <soc/fsl/bman.h>
+#include <linux/dma-contiguous.h>
+#include <linux/of_address.h>
+#include <linux/dma-mapping.h>
/* Portal processing (interrupt) sources */
#define BM_PIRQ_RCRI 0x00000002 /* RCR Ring (below threshold) */
--
2.9.3
--
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