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>
95 lines
3.6 KiB
Diff
95 lines
3.6 KiB
Diff
From 83d2cb1c64c5a34f23b34fcee715a68be230c232 Mon Sep 17 00:00:00 2001
|
|
From: Peng Ma <peng.ma@nxp.com>
|
|
Date: Thu, 12 Dec 2019 03:38:10 +0000
|
|
Subject: [PATCH] dmaengine: fsl-edma: Add eDMA support for QorIQ LS1028A
|
|
platform
|
|
|
|
Our platforms(such as LS1021A, LS1012A, LS1043A, LS1046A, LS1028A) with
|
|
below registers(CHCFG0 - CHCFG15) of eDMA as follows:
|
|
*-----------------------------------------------------------*
|
|
| Offset | OTHERS | LS1028A |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0x0 | CHCFG0 | CHCFG3 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0x1 | CHCFG1 | CHCFG2 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0x2 | CHCFG2 | CHCFG1 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0x3 | CHCFG3 | CHCFG0 |
|
|
|--------------|--------------------|-----------------------|
|
|
| ... | ...... | ...... |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0xC | CHCFG12 | CHCFG15 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0xD | CHCFG13 | CHCFG14 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0xE | CHCFG14 | CHCFG13 |
|
|
|--------------|--------------------|-----------------------|
|
|
| 0xF | CHCFG15 | CHCFG12 |
|
|
*-----------------------------------------------------------*
|
|
|
|
This patch is to improve edma driver to fit LS1028A platform.
|
|
|
|
Signed-off-by: Peng Ma <peng.ma@nxp.com>
|
|
Reviewed-by: Robin Gong <yibin.gong@nxp.com>
|
|
Link: https://lore.kernel.org/r/20191212033714.4090-1-peng.ma@nxp.com
|
|
Signed-off-by: Vinod Koul <vkoul@kernel.org>
|
|
---
|
|
drivers/dma/fsl-edma-common.c | 5 +++++
|
|
drivers/dma/fsl-edma-common.h | 1 +
|
|
drivers/dma/fsl-edma.c | 8 ++++++++
|
|
3 files changed, 14 insertions(+)
|
|
|
|
--- a/drivers/dma/fsl-edma-common.c
|
|
+++ b/drivers/dma/fsl-edma-common.c
|
|
@@ -109,10 +109,15 @@ void fsl_edma_chan_mux(struct fsl_edma_c
|
|
u32 ch = fsl_chan->vchan.chan.chan_id;
|
|
void __iomem *muxaddr;
|
|
unsigned int chans_per_mux, ch_off;
|
|
+ int endian_diff[4] = {3, 1, -1, -3};
|
|
u32 dmamux_nr = fsl_chan->edma->drvdata->dmamuxs;
|
|
|
|
chans_per_mux = fsl_chan->edma->n_chans / dmamux_nr;
|
|
ch_off = fsl_chan->vchan.chan.chan_id % chans_per_mux;
|
|
+
|
|
+ if (fsl_chan->edma->drvdata->mux_swap)
|
|
+ ch_off += endian_diff[ch_off % 4];
|
|
+
|
|
muxaddr = fsl_chan->edma->muxbase[ch / chans_per_mux];
|
|
slot = EDMAMUX_CHCFG_SOURCE(slot);
|
|
|
|
--- a/drivers/dma/fsl-edma-common.h
|
|
+++ b/drivers/dma/fsl-edma-common.h
|
|
@@ -148,6 +148,7 @@ struct fsl_edma_drvdata {
|
|
enum edma_version version;
|
|
u32 dmamuxs;
|
|
bool has_dmaclk;
|
|
+ bool mux_swap;
|
|
int (*setup_irq)(struct platform_device *pdev,
|
|
struct fsl_edma_engine *fsl_edma);
|
|
};
|
|
--- a/drivers/dma/fsl-edma.c
|
|
+++ b/drivers/dma/fsl-edma.c
|
|
@@ -234,6 +234,13 @@ static struct fsl_edma_drvdata vf610_dat
|
|
.setup_irq = fsl_edma_irq_init,
|
|
};
|
|
|
|
+static struct fsl_edma_drvdata ls1028a_data = {
|
|
+ .version = v1,
|
|
+ .dmamuxs = DMAMUX_NR,
|
|
+ .mux_swap = true,
|
|
+ .setup_irq = fsl_edma_irq_init,
|
|
+};
|
|
+
|
|
static struct fsl_edma_drvdata imx7ulp_data = {
|
|
.version = v3,
|
|
.dmamuxs = 1,
|
|
@@ -243,6 +250,7 @@ static struct fsl_edma_drvdata imx7ulp_d
|
|
|
|
static const struct of_device_id fsl_edma_dt_ids[] = {
|
|
{ .compatible = "fsl,vf610-edma", .data = &vf610_data},
|
|
+ { .compatible = "fsl,ls1028a-edma", .data = &ls1028a_data},
|
|
{ .compatible = "fsl,imx7ulp-edma", .data = &imx7ulp_data},
|
|
{ /* sentinel */ }
|
|
};
|