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openwrt/target/linux/bcm27xx/patches-5.4/950-0441-bcm2835-dma-Correct-SoC-name.patch
Álvaro Fernández Rojas a1383655cf bcm27xx: add linux 5.4 support 
Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-29 12:50:51 +01:00

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From f498861a16d0b9a189a329080da1aa64d6e9bda7 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 31 Jan 2020 09:28:57 +0000
Subject: [PATCH] bcm2835-dma: Correct SoC name
The Pi 4 SoC is called BCM2711, not BCM2838.
Fixes: "bcm2835-dma: Add proper 40-bit DMA support"
---
drivers/dma/bcm2835-dma.c | 274 +++++++++++++++++++-------------------
1 file changed, 137 insertions(+), 137 deletions(-)
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -38,7 +38,7 @@
#define BCM2835_DMA_MAX_DMA_CHAN_SUPPORTED 14
#define BCM2835_DMA_CHAN_NAME_SIZE 8
#define BCM2835_DMA_BULK_MASK BIT(0)
-#define BCM2838_DMA_MEMCPY_CHAN 14
+#define BCM2711_DMA_MEMCPY_CHAN 14
struct bcm2835_dma_cfg_data {
u32 chan_40bit_mask;
@@ -70,7 +70,7 @@ struct bcm2835_dma_cb {
uint32_t pad[2];
};
-struct bcm2838_dma40_scb {
+struct bcm2711_dma40_scb {
uint32_t ti;
uint32_t src;
uint32_t srci;
@@ -200,98 +200,98 @@ struct bcm2835_desc {
#define MAX_LITE_DMA_LEN (SZ_64K - 4)
/* 40-bit DMA support */
-#define BCM2838_DMA40_CS 0x00
-#define BCM2838_DMA40_CB 0x04
-#define BCM2838_DMA40_DEBUG 0x0c
-#define BCM2838_DMA40_TI 0x10
-#define BCM2838_DMA40_SRC 0x14
-#define BCM2838_DMA40_SRCI 0x18
-#define BCM2838_DMA40_DEST 0x1c
-#define BCM2838_DMA40_DESTI 0x20
-#define BCM2838_DMA40_LEN 0x24
-#define BCM2838_DMA40_NEXT_CB 0x28
-#define BCM2838_DMA40_DEBUG2 0x2c
-
-#define BCM2838_DMA40_ACTIVE BIT(0)
-#define BCM2838_DMA40_END BIT(1)
-#define BCM2838_DMA40_INT BIT(2)
-#define BCM2838_DMA40_DREQ BIT(3) /* DREQ state */
-#define BCM2838_DMA40_RD_PAUSED BIT(4) /* Reading is paused */
-#define BCM2838_DMA40_WR_PAUSED BIT(5) /* Writing is paused */
-#define BCM2838_DMA40_DREQ_PAUSED BIT(6) /* Is paused by DREQ flow control */
-#define BCM2838_DMA40_WAITING_FOR_WRITES BIT(7) /* Waiting for last write */
-#define BCM2838_DMA40_ERR BIT(10)
-#define BCM2838_DMA40_QOS(x) (((x) & 0x1f) << 16)
-#define BCM2838_DMA40_PANIC_QOS(x) (((x) & 0x1f) << 20)
-#define BCM2838_DMA40_WAIT_FOR_WRITES BIT(28)
-#define BCM2838_DMA40_DISDEBUG BIT(29)
-#define BCM2838_DMA40_ABORT BIT(30)
-#define BCM2838_DMA40_HALT BIT(31)
-#define BCM2838_DMA40_CS_FLAGS(x) (x & (BCM2838_DMA40_QOS(15) | \
- BCM2838_DMA40_PANIC_QOS(15) | \
- BCM2838_DMA40_WAIT_FOR_WRITES | \
- BCM2838_DMA40_DISDEBUG))
+#define BCM2711_DMA40_CS 0x00
+#define BCM2711_DMA40_CB 0x04
+#define BCM2711_DMA40_DEBUG 0x0c
+#define BCM2711_DMA40_TI 0x10
+#define BCM2711_DMA40_SRC 0x14
+#define BCM2711_DMA40_SRCI 0x18
+#define BCM2711_DMA40_DEST 0x1c
+#define BCM2711_DMA40_DESTI 0x20
+#define BCM2711_DMA40_LEN 0x24
+#define BCM2711_DMA40_NEXT_CB 0x28
+#define BCM2711_DMA40_DEBUG2 0x2c
+
+#define BCM2711_DMA40_ACTIVE BIT(0)
+#define BCM2711_DMA40_END BIT(1)
+#define BCM2711_DMA40_INT BIT(2)
+#define BCM2711_DMA40_DREQ BIT(3) /* DREQ state */
+#define BCM2711_DMA40_RD_PAUSED BIT(4) /* Reading is paused */
+#define BCM2711_DMA40_WR_PAUSED BIT(5) /* Writing is paused */
+#define BCM2711_DMA40_DREQ_PAUSED BIT(6) /* Is paused by DREQ flow control */
+#define BCM2711_DMA40_WAITING_FOR_WRITES BIT(7) /* Waiting for last write */
+#define BCM2711_DMA40_ERR BIT(10)
+#define BCM2711_DMA40_QOS(x) (((x) & 0x1f) << 16)
+#define BCM2711_DMA40_PANIC_QOS(x) (((x) & 0x1f) << 20)
+#define BCM2711_DMA40_WAIT_FOR_WRITES BIT(28)
+#define BCM2711_DMA40_DISDEBUG BIT(29)
+#define BCM2711_DMA40_ABORT BIT(30)
+#define BCM2711_DMA40_HALT BIT(31)
+#define BCM2711_DMA40_CS_FLAGS(x) (x & (BCM2711_DMA40_QOS(15) | \
+ BCM2711_DMA40_PANIC_QOS(15) | \
+ BCM2711_DMA40_WAIT_FOR_WRITES | \
+ BCM2711_DMA40_DISDEBUG))
/* Transfer information bits */
-#define BCM2838_DMA40_INTEN BIT(0)
-#define BCM2838_DMA40_TDMODE BIT(1) /* 2D-Mode */
-#define BCM2838_DMA40_WAIT_RESP BIT(2) /* wait for AXI write to be acked */
-#define BCM2838_DMA40_WAIT_RD_RESP BIT(3) /* wait for AXI read to complete */
-#define BCM2838_DMA40_PER_MAP(x) ((x & 31) << 9) /* REQ source */
-#define BCM2838_DMA40_S_DREQ BIT(14) /* enable SREQ for source */
-#define BCM2838_DMA40_D_DREQ BIT(15) /* enable DREQ for destination */
-#define BCM2838_DMA40_S_WAIT(x) ((x & 0xff) << 16) /* add DMA read-wait cycles */
-#define BCM2838_DMA40_D_WAIT(x) ((x & 0xff) << 24) /* add DMA write-wait cycles */
+#define BCM2711_DMA40_INTEN BIT(0)
+#define BCM2711_DMA40_TDMODE BIT(1) /* 2D-Mode */
+#define BCM2711_DMA40_WAIT_RESP BIT(2) /* wait for AXI write to be acked */
+#define BCM2711_DMA40_WAIT_RD_RESP BIT(3) /* wait for AXI read to complete */
+#define BCM2711_DMA40_PER_MAP(x) ((x & 31) << 9) /* REQ source */
+#define BCM2711_DMA40_S_DREQ BIT(14) /* enable SREQ for source */
+#define BCM2711_DMA40_D_DREQ BIT(15) /* enable DREQ for destination */
+#define BCM2711_DMA40_S_WAIT(x) ((x & 0xff) << 16) /* add DMA read-wait cycles */
+#define BCM2711_DMA40_D_WAIT(x) ((x & 0xff) << 24) /* add DMA write-wait cycles */
/* debug register bits */
-#define BCM2838_DMA40_DEBUG_WRITE_ERR BIT(0)
-#define BCM2838_DMA40_DEBUG_FIFO_ERR BIT(1)
-#define BCM2838_DMA40_DEBUG_READ_ERR BIT(2)
-#define BCM2838_DMA40_DEBUG_READ_CB_ERR BIT(3)
-#define BCM2838_DMA40_DEBUG_IN_ON_ERR BIT(8)
-#define BCM2838_DMA40_DEBUG_ABORT_ON_ERR BIT(9)
-#define BCM2838_DMA40_DEBUG_HALT_ON_ERR BIT(10)
-#define BCM2838_DMA40_DEBUG_DISABLE_CLK_GATE BIT(11)
-#define BCM2838_DMA40_DEBUG_RSTATE_SHIFT 14
-#define BCM2838_DMA40_DEBUG_RSTATE_BITS 4
-#define BCM2838_DMA40_DEBUG_WSTATE_SHIFT 18
-#define BCM2838_DMA40_DEBUG_WSTATE_BITS 4
-#define BCM2838_DMA40_DEBUG_RESET BIT(23)
-#define BCM2838_DMA40_DEBUG_ID_SHIFT 24
-#define BCM2838_DMA40_DEBUG_ID_BITS 4
-#define BCM2838_DMA40_DEBUG_VERSION_SHIFT 28
-#define BCM2838_DMA40_DEBUG_VERSION_BITS 4
+#define BCM2711_DMA40_DEBUG_WRITE_ERR BIT(0)
+#define BCM2711_DMA40_DEBUG_FIFO_ERR BIT(1)
+#define BCM2711_DMA40_DEBUG_READ_ERR BIT(2)
+#define BCM2711_DMA40_DEBUG_READ_CB_ERR BIT(3)
+#define BCM2711_DMA40_DEBUG_IN_ON_ERR BIT(8)
+#define BCM2711_DMA40_DEBUG_ABORT_ON_ERR BIT(9)
+#define BCM2711_DMA40_DEBUG_HALT_ON_ERR BIT(10)
+#define BCM2711_DMA40_DEBUG_DISABLE_CLK_GATE BIT(11)
+#define BCM2711_DMA40_DEBUG_RSTATE_SHIFT 14
+#define BCM2711_DMA40_DEBUG_RSTATE_BITS 4
+#define BCM2711_DMA40_DEBUG_WSTATE_SHIFT 18
+#define BCM2711_DMA40_DEBUG_WSTATE_BITS 4
+#define BCM2711_DMA40_DEBUG_RESET BIT(23)
+#define BCM2711_DMA40_DEBUG_ID_SHIFT 24
+#define BCM2711_DMA40_DEBUG_ID_BITS 4
+#define BCM2711_DMA40_DEBUG_VERSION_SHIFT 28
+#define BCM2711_DMA40_DEBUG_VERSION_BITS 4
/* Valid only for channels 0 - 3 (11 - 14) */
-#define BCM2838_DMA40_CHAN(n) (((n) + 11) << 8) /* Base address */
-#define BCM2838_DMA40_CHANIO(base, n) ((base) + BCM2838_DMA_CHAN(n))
+#define BCM2711_DMA40_CHAN(n) (((n) + 11) << 8) /* Base address */
+#define BCM2711_DMA40_CHANIO(base, n) ((base) + BCM2711_DMA_CHAN(n))
/* the max dma length for different channels */
#define MAX_DMA40_LEN SZ_1G
-#define BCM2838_DMA40_BURST_LEN(x) ((min(x,16) - 1) << 8)
-#define BCM2838_DMA40_INC BIT(12)
-#define BCM2838_DMA40_SIZE_32 (0 << 13)
-#define BCM2838_DMA40_SIZE_64 (1 << 13)
-#define BCM2838_DMA40_SIZE_128 (2 << 13)
-#define BCM2838_DMA40_SIZE_256 (3 << 13)
-#define BCM2838_DMA40_IGNORE BIT(15)
-#define BCM2838_DMA40_STRIDE(x) ((x) << 16) /* For 2D mode */
-
-#define BCM2838_DMA40_MEMCPY_FLAGS \
- (BCM2838_DMA40_QOS(0) | \
- BCM2838_DMA40_PANIC_QOS(0) | \
- BCM2838_DMA40_WAIT_FOR_WRITES | \
- BCM2838_DMA40_DISDEBUG)
-
-#define BCM2838_DMA40_MEMCPY_XFER_INFO \
- (BCM2838_DMA40_SIZE_128 | \
- BCM2838_DMA40_INC | \
- BCM2838_DMA40_BURST_LEN(16))
+#define BCM2711_DMA40_BURST_LEN(x) ((min(x,16) - 1) << 8)
+#define BCM2711_DMA40_INC BIT(12)
+#define BCM2711_DMA40_SIZE_32 (0 << 13)
+#define BCM2711_DMA40_SIZE_64 (1 << 13)
+#define BCM2711_DMA40_SIZE_128 (2 << 13)
+#define BCM2711_DMA40_SIZE_256 (3 << 13)
+#define BCM2711_DMA40_IGNORE BIT(15)
+#define BCM2711_DMA40_STRIDE(x) ((x) << 16) /* For 2D mode */
+
+#define BCM2711_DMA40_MEMCPY_FLAGS \
+ (BCM2711_DMA40_QOS(0) | \
+ BCM2711_DMA40_PANIC_QOS(0) | \
+ BCM2711_DMA40_WAIT_FOR_WRITES | \
+ BCM2711_DMA40_DISDEBUG)
+
+#define BCM2711_DMA40_MEMCPY_XFER_INFO \
+ (BCM2711_DMA40_SIZE_128 | \
+ BCM2711_DMA40_INC | \
+ BCM2711_DMA40_BURST_LEN(16))
struct bcm2835_dmadev *memcpy_parent;
static void __iomem *memcpy_chan;
-static struct bcm2838_dma40_scb *memcpy_scb;
+static struct bcm2711_dma40_scb *memcpy_scb;
static dma_addr_t memcpy_scb_dma;
DEFINE_SPINLOCK(memcpy_lock);
@@ -299,7 +299,7 @@ static const struct bcm2835_dma_cfg_data
.chan_40bit_mask = 0,
};
-static const struct bcm2835_dma_cfg_data bcm2838_dma_cfg = {
+static const struct bcm2835_dma_cfg_data bcm2711_dma_cfg = {
.chan_40bit_mask = BIT(11) | BIT(12) | BIT(13) | BIT(14),
};
@@ -332,27 +332,27 @@ static inline struct bcm2835_desc *to_bc
return container_of(t, struct bcm2835_desc, vd.tx);
}
-static inline uint32_t to_bcm2838_ti(uint32_t info)
+static inline uint32_t to_bcm2711_ti(uint32_t info)
{
- return ((info & BCM2835_DMA_INT_EN) ? BCM2838_DMA40_INTEN : 0) |
- ((info & BCM2835_DMA_WAIT_RESP) ? BCM2838_DMA40_WAIT_RESP : 0) |
+ return ((info & BCM2835_DMA_INT_EN) ? BCM2711_DMA40_INTEN : 0) |
+ ((info & BCM2835_DMA_WAIT_RESP) ? BCM2711_DMA40_WAIT_RESP : 0) |
((info & BCM2835_DMA_S_DREQ) ?
- (BCM2838_DMA40_S_DREQ | BCM2838_DMA40_WAIT_RD_RESP) : 0) |
- ((info & BCM2835_DMA_D_DREQ) ? BCM2838_DMA40_D_DREQ : 0) |
- BCM2838_DMA40_PER_MAP((info >> 16) & 0x1f);
+ (BCM2711_DMA40_S_DREQ | BCM2711_DMA40_WAIT_RD_RESP) : 0) |
+ ((info & BCM2835_DMA_D_DREQ) ? BCM2711_DMA40_D_DREQ : 0) |
+ BCM2711_DMA40_PER_MAP((info >> 16) & 0x1f);
}
-static inline uint32_t to_bcm2838_srci(uint32_t info)
+static inline uint32_t to_bcm2711_srci(uint32_t info)
{
- return ((info & BCM2835_DMA_S_INC) ? BCM2838_DMA40_INC : 0);
+ return ((info & BCM2835_DMA_S_INC) ? BCM2711_DMA40_INC : 0);
}
-static inline uint32_t to_bcm2838_dsti(uint32_t info)
+static inline uint32_t to_bcm2711_dsti(uint32_t info)
{
- return ((info & BCM2835_DMA_D_INC) ? BCM2838_DMA40_INC : 0);
+ return ((info & BCM2835_DMA_D_INC) ? BCM2711_DMA40_INC : 0);
}
-static inline uint32_t to_bcm2838_cbaddr(dma_addr_t addr)
+static inline uint32_t to_bcm2711_cbaddr(dma_addr_t addr)
{
BUG_ON(addr & 0x1f);
return (addr >> 5);
@@ -412,12 +412,12 @@ static void bcm2835_dma_create_cb_set_le
}
if (c->is_40bit_channel) {
- struct bcm2838_dma40_scb *scb =
- (struct bcm2838_dma40_scb *)control_block;
+ struct bcm2711_dma40_scb *scb =
+ (struct bcm2711_dma40_scb *)control_block;
scb->len = cb_len;
/* add extrainfo bits to ti */
- scb->ti |= to_bcm2838_ti(finalextrainfo);
+ scb->ti |= to_bcm2711_ti(finalextrainfo);
} else {
control_block->length = cb_len;
/* add extrainfo bits to info */
@@ -500,13 +500,13 @@ static struct bcm2835_desc *bcm2835_dma_
/* fill in the control block */
control_block = cb_entry->cb;
if (c->is_40bit_channel) {
- struct bcm2838_dma40_scb *scb =
- (struct bcm2838_dma40_scb *)control_block;
- scb->ti = to_bcm2838_ti(info);
+ struct bcm2711_dma40_scb *scb =
+ (struct bcm2711_dma40_scb *)control_block;
+ scb->ti = to_bcm2711_ti(info);
scb->src = lower_32_bits(src);
- scb->srci= upper_32_bits(src) | to_bcm2838_srci(info);
+ scb->srci= upper_32_bits(src) | to_bcm2711_srci(info);
scb->dst = lower_32_bits(dst);
- scb->dsti = upper_32_bits(dst) | to_bcm2838_dsti(info);
+ scb->dsti = upper_32_bits(dst) | to_bcm2711_dsti(info);
scb->next_cb = 0;
} else {
control_block->info = info;
@@ -531,7 +531,7 @@ static struct bcm2835_desc *bcm2835_dma_
/* link this the last controlblock */
if (frame && c->is_40bit_channel)
d->cb_list[frame - 1].cb->next =
- to_bcm2838_cbaddr(cb_entry->paddr);
+ to_bcm2711_cbaddr(cb_entry->paddr);
if (frame && !c->is_40bit_channel)
d->cb_list[frame - 1].cb->next = cb_entry->paddr;
@@ -547,10 +547,10 @@ static struct bcm2835_desc *bcm2835_dma_
/* the last frame requires extra flags */
if (c->is_40bit_channel) {
- struct bcm2838_dma40_scb *scb =
- (struct bcm2838_dma40_scb *)d->cb_list[d->frames-1].cb;
+ struct bcm2711_dma40_scb *scb =
+ (struct bcm2711_dma40_scb *)d->cb_list[d->frames-1].cb;
- scb->ti |= to_bcm2838_ti(finalextrainfo);
+ scb->ti |= to_bcm2711_ti(finalextrainfo);
} else {
d->cb_list[d->frames - 1].cb->info |= finalextrainfo;
}
@@ -581,18 +581,18 @@ static void bcm2835_dma_fill_cb_chain_wi
max_len = bcm2835_dma_max_frame_length(c);
for_each_sg(sgl, sgent, sg_len, i) {
if (c->is_40bit_channel) {
- struct bcm2838_dma40_scb *scb =
- (struct bcm2838_dma40_scb *)cb->cb;
+ struct bcm2711_dma40_scb *scb =
+ (struct bcm2711_dma40_scb *)cb->cb;
for (addr = sg_dma_address(sgent),
len = sg_dma_len(sgent);
len > 0;
addr += scb->len, len -= scb->len, scb++) {
if (direction == DMA_DEV_TO_MEM) {
scb->dst = lower_32_bits(addr);
- scb->dsti = upper_32_bits(addr) | BCM2838_DMA40_INC;
+ scb->dsti = upper_32_bits(addr) | BCM2711_DMA40_INC;
} else {
scb->src = lower_32_bits(addr);
- scb->srci = upper_32_bits(addr) | BCM2838_DMA40_INC;
+ scb->srci = upper_32_bits(addr) | BCM2711_DMA40_INC;
}
scb->len = min(len, max_len);
}
@@ -619,7 +619,7 @@ static void bcm2835_dma_abort(struct bcm
u32 wait_mask = BCM2835_DMA_WAITING_FOR_WRITES;
if (c->is_40bit_channel)
- wait_mask = BCM2838_DMA40_WAITING_FOR_WRITES;
+ wait_mask = BCM2711_DMA40_WAITING_FOR_WRITES;
/*
* A zero control block address means the channel is idle.
@@ -658,10 +658,10 @@ static void bcm2835_dma_start_desc(struc
c->desc = d = to_bcm2835_dma_desc(&vd->tx);
if (c->is_40bit_channel) {
- writel(to_bcm2838_cbaddr(d->cb_list[0].paddr),
- c->chan_base + BCM2838_DMA40_CB);
- writel(BCM2838_DMA40_ACTIVE | BCM2838_DMA40_CS_FLAGS(c->dreq),
- c->chan_base + BCM2838_DMA40_CS);
+ writel(to_bcm2711_cbaddr(d->cb_list[0].paddr),
+ c->chan_base + BCM2711_DMA40_CB);
+ writel(BCM2711_DMA40_ACTIVE | BCM2711_DMA40_CS_FLAGS(c->dreq),
+ c->chan_base + BCM2711_DMA40_CS);
} else {
writel(d->cb_list[0].paddr, c->chan_base + BCM2835_DMA_ADDR);
writel(BCM2835_DMA_ACTIVE | BCM2835_DMA_CS_FLAGS(c->dreq),
@@ -694,7 +694,7 @@ static irqreturn_t bcm2835_dma_callback(
* will remain idle despite the ACTIVE flag being set.
*/
writel(BCM2835_DMA_INT | BCM2835_DMA_ACTIVE |
- (c->is_40bit_channel ? BCM2838_DMA40_CS_FLAGS(c->dreq) :
+ (c->is_40bit_channel ? BCM2711_DMA40_CS_FLAGS(c->dreq) :
BCM2835_DMA_CS_FLAGS(c->dreq)),
c->chan_base + BCM2835_DMA_CS);
@@ -799,14 +799,14 @@ static enum dma_status bcm2835_dma_tx_st
dma_addr_t pos;
if (d->dir == DMA_MEM_TO_DEV && c->is_40bit_channel)
- pos = readl(c->chan_base + BCM2838_DMA40_SRC) +
- ((readl(c->chan_base + BCM2838_DMA40_SRCI) &
+ pos = readl(c->chan_base + BCM2711_DMA40_SRC) +
+ ((readl(c->chan_base + BCM2711_DMA40_SRCI) &
0xff) << 8);
else if (d->dir == DMA_MEM_TO_DEV && !c->is_40bit_channel)
pos = readl(c->chan_base + BCM2835_DMA_SOURCE_AD);
else if (d->dir == DMA_DEV_TO_MEM && c->is_40bit_channel)
- pos = readl(c->chan_base + BCM2838_DMA40_DEST) +
- ((readl(c->chan_base + BCM2838_DMA40_DESTI) &
+ pos = readl(c->chan_base + BCM2711_DMA40_DEST) +
+ ((readl(c->chan_base + BCM2711_DMA40_DESTI) &
0xff) << 8);
else if (d->dir == DMA_DEV_TO_MEM && !c->is_40bit_channel)
pos = readl(c->chan_base + BCM2835_DMA_DEST_AD);
@@ -1007,7 +1007,7 @@ static struct dma_async_tx_descriptor *b
/* wrap around into a loop */
d->cb_list[d->frames - 1].cb->next = c->is_40bit_channel ?
- to_bcm2838_cbaddr(d->cb_list[0].paddr) : d->cb_list[0].paddr;
+ to_bcm2711_cbaddr(d->cb_list[0].paddr) : d->cb_list[0].paddr;
return vchan_tx_prep(&c->vc, &d->vd, flags);
}
@@ -1095,7 +1095,7 @@ static void bcm2835_dma_free(struct bcm2
DMA_TO_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
}
-int bcm2838_dma40_memcpy_init(void)
+int bcm2711_dma40_memcpy_init(void)
{
if (!memcpy_parent)
return -EPROBE_DEFER;
@@ -1108,15 +1108,15 @@ int bcm2838_dma40_memcpy_init(void)
return 0;
}
-EXPORT_SYMBOL(bcm2838_dma40_memcpy_init);
+EXPORT_SYMBOL(bcm2711_dma40_memcpy_init);
-void bcm2838_dma40_memcpy(dma_addr_t dst, dma_addr_t src, size_t size)
+void bcm2711_dma40_memcpy(dma_addr_t dst, dma_addr_t src, size_t size)
{
- struct bcm2838_dma40_scb *scb = memcpy_scb;
+ struct bcm2711_dma40_scb *scb = memcpy_scb;
unsigned long flags;
if (!scb) {
- pr_err("bcm2838_dma40_memcpy not initialised!\n");
+ pr_err("bcm2711_dma40_memcpy not initialised!\n");
return;
}
@@ -1124,29 +1124,29 @@ void bcm2838_dma40_memcpy(dma_addr_t dst
scb->ti = 0;
scb->src = lower_32_bits(src);
- scb->srci = upper_32_bits(src) | BCM2838_DMA40_MEMCPY_XFER_INFO;
+ scb->srci = upper_32_bits(src) | BCM2711_DMA40_MEMCPY_XFER_INFO;
scb->dst = lower_32_bits(dst);
- scb->dsti = upper_32_bits(dst) | BCM2838_DMA40_MEMCPY_XFER_INFO;
+ scb->dsti = upper_32_bits(dst) | BCM2711_DMA40_MEMCPY_XFER_INFO;
scb->len = size;
scb->next_cb = 0;
- writel((u32)(memcpy_scb_dma >> 5), memcpy_chan + BCM2838_DMA40_CB);
- writel(BCM2838_DMA40_MEMCPY_FLAGS + BCM2838_DMA40_ACTIVE,
- memcpy_chan + BCM2838_DMA40_CS);
+ writel((u32)(memcpy_scb_dma >> 5), memcpy_chan + BCM2711_DMA40_CB);
+ writel(BCM2711_DMA40_MEMCPY_FLAGS + BCM2711_DMA40_ACTIVE,
+ memcpy_chan + BCM2711_DMA40_CS);
/* Poll for completion */
- while (!(readl(memcpy_chan + BCM2838_DMA40_CS) & BCM2838_DMA40_END))
+ while (!(readl(memcpy_chan + BCM2711_DMA40_CS) & BCM2711_DMA40_END))
cpu_relax();
- writel(BCM2838_DMA40_END, memcpy_chan + BCM2838_DMA40_CS);
+ writel(BCM2711_DMA40_END, memcpy_chan + BCM2711_DMA40_CS);
spin_unlock_irqrestore(&memcpy_lock, flags);
}
-EXPORT_SYMBOL(bcm2838_dma40_memcpy);
+EXPORT_SYMBOL(bcm2711_dma40_memcpy);
static const struct of_device_id bcm2835_dma_of_match[] = {
{ .compatible = "brcm,bcm2835-dma", .data = &bcm2835_dma_cfg },
- { .compatible = "brcm,bcm2838-dma", .data = &bcm2838_dma_cfg },
+ { .compatible = "brcm,bcm2711-dma", .data = &bcm2711_dma_cfg },
{},
};
MODULE_DEVICE_TABLE(of, bcm2835_dma_of_match);
@@ -1274,9 +1274,9 @@ static int bcm2835_dma_probe(struct plat
/* And possibly one for the 40-bit DMA memcpy API */
if (chans_available & od->cfg_data->chan_40bit_mask &
- BIT(BCM2838_DMA_MEMCPY_CHAN)) {
+ BIT(BCM2711_DMA_MEMCPY_CHAN)) {
memcpy_parent = od;
- memcpy_chan = BCM2835_DMA_CHANIO(base, BCM2838_DMA_MEMCPY_CHAN);
+ memcpy_chan = BCM2835_DMA_CHANIO(base, BCM2711_DMA_MEMCPY_CHAN);
memcpy_scb = dma_alloc_coherent(memcpy_parent->ddev.dev,
sizeof(*memcpy_scb),
&memcpy_scb_dma, GFP_KERNEL);
@@ -1284,7 +1284,7 @@ static int bcm2835_dma_probe(struct plat
dev_warn(&pdev->dev,
"Failed to allocated memcpy scb\n");
- chans_available &= ~BIT(BCM2838_DMA_MEMCPY_CHAN);
+ chans_available &= ~BIT(BCM2711_DMA_MEMCPY_CHAN);
}
/* get irqs for each channel that we support */
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