mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 14:04:26 -04:00
cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From 55705ace9136e1c24d92d7ab23e513439eb766e7 Mon Sep 17 00:00:00 2001
|
|
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
|
|
Date: Tue, 3 Apr 2018 17:55:00 +0300
|
|
Subject: [PATCH] soc/fsl/bman: map FBPR area in the iommu
|
|
|
|
Add a one-to-one iommu mapping for bman private data memory (FBPR).
|
|
This is required for BMAN to work without faults behind an iommu.
|
|
|
|
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
|
|
---
|
|
drivers/soc/fsl/qbman/bman_ccsr.c | 11 +++++++++++
|
|
1 file changed, 11 insertions(+)
|
|
|
|
--- a/drivers/soc/fsl/qbman/bman_ccsr.c
|
|
+++ b/drivers/soc/fsl/qbman/bman_ccsr.c
|
|
@@ -29,6 +29,7 @@
|
|
*/
|
|
|
|
#include "bman_priv.h"
|
|
+#include <linux/iommu.h>
|
|
|
|
u16 bman_ip_rev;
|
|
EXPORT_SYMBOL(bman_ip_rev);
|
|
@@ -210,6 +211,7 @@ static int fsl_bman_probe(struct platfor
|
|
int ret, err_irq;
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *node = dev->of_node;
|
|
+ struct iommu_domain *domain;
|
|
struct resource *res;
|
|
u16 id, bm_pool_cnt;
|
|
u8 major, minor;
|
|
@@ -257,6 +259,15 @@ static int fsl_bman_probe(struct platfor
|
|
|
|
dev_dbg(dev, "Allocated FBPR 0x%llx 0x%zx\n", fbpr_a, fbpr_sz);
|
|
|
|
+ /* Create an 1-to-1 iommu mapping for FBPR area */
|
|
+ domain = iommu_get_domain_for_dev(dev);
|
|
+ if (domain) {
|
|
+ ret = iommu_map(domain, fbpr_a, fbpr_a, fbpr_sz,
|
|
+ IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE);
|
|
+ if (ret)
|
|
+ dev_warn(dev, "failed to iommu_map() %d\n", ret);
|
|
+ }
|
|
+
|
|
bm_set_memory(fbpr_a, fbpr_sz);
|
|
|
|
err_irq = platform_get_irq(pdev, 0);
|