From: "Eilon Greenstein" <eilong@broadcom.com>
To: "David Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: [PATCH 08/18] bnx2x: Using DMA engine
Date: Mon, 02 Mar 2009 19:59:52 +0200 [thread overview]
Message-ID: <1236016793.7723.79.camel@lb-tlvb-eliezer> (raw)
Subject: [PATCH 08/18] bnx2x: Using DMA engine
Using DMA engine (DMAE) to initialize large consecutive memories in the chip
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/bnx2x_init.h | 36 +++++++++++++++++---------------
drivers/net/bnx2x_main.c | 51 ++++++++++-----------------------------------
2 files changed, 31 insertions(+), 56 deletions(-)
diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h
index 8af2757..5362d5a 100644
--- a/drivers/net/bnx2x_init.h
+++ b/drivers/net/bnx2x_init.h
@@ -22,12 +22,15 @@
#define INIT_ASIC 0x4
#define INIT_HARDWARE 0x7
-#define STORM_INTMEM_SIZE_E1 (0x5800 / 4)
-#define STORM_INTMEM_SIZE_E1H (0x10000 / 4)
-#define TSTORM_INTMEM_ADDR 0x1a0000
-#define CSTORM_INTMEM_ADDR 0x220000
-#define XSTORM_INTMEM_ADDR 0x2a0000
-#define USTORM_INTMEM_ADDR 0x320000
+#define TSTORM_INTMEM_ADDR TSEM_REG_FAST_MEMORY
+#define CSTORM_INTMEM_ADDR CSEM_REG_FAST_MEMORY
+#define XSTORM_INTMEM_ADDR XSEM_REG_FAST_MEMORY
+#define USTORM_INTMEM_ADDR USEM_REG_FAST_MEMORY
+/* RAM0 size in bytes */
+#define STORM_INTMEM_SIZE_E1 0x5800
+#define STORM_INTMEM_SIZE_E1H 0x10000
+#define STORM_INTMEM_SIZE(bp) ((CHIP_IS_E1H(bp) ? STORM_INTMEM_SIZE_E1H : \
+ STORM_INTMEM_SIZE_E1) / 4)
/* Init operation types and structures */
@@ -150,7 +153,6 @@ static void bnx2x_init_ind_wr(struct bnx2x *bp, u32 addr, const u32 *data,
static void bnx2x_write_big_buf(struct bnx2x *bp, u32 addr, u32 len)
{
-#ifdef USE_DMAE
int offset = 0;
if (bp->dmae_ready) {
@@ -164,21 +166,21 @@ static void bnx2x_write_big_buf(struct bnx2x *bp, u32 addr, u32 len)
addr + offset, len);
} else
bnx2x_init_str_wr(bp, addr, bp->gunzip_buf, len);
-#else
- bnx2x_init_str_wr(bp, addr, bp->gunzip_buf, len);
-#endif
}
static void bnx2x_init_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
{
- if ((len * 4) > FW_BUF_SIZE) {
- BNX2X_ERR("LARGE DMAE OPERATION ! addr 0x%x len 0x%x\n",
- addr, len*4);
- return;
- }
- memset(bp->gunzip_buf, fill, len * 4);
+ u32 buf_len = (((len * 4) > FW_BUF_SIZE) ? FW_BUF_SIZE : (len * 4));
+ u32 buf_len32 = buf_len / 4;
+ int i;
- bnx2x_write_big_buf(bp, addr, len);
+ memset(bp->gunzip_buf, fill, buf_len);
+
+ for (i = 0; i < len; i += buf_len32) {
+ u32 cur_len = min(buf_len32, len - i);
+
+ bnx2x_write_big_buf(bp, addr + i * 4, cur_len);
+ }
}
static void bnx2x_init_wr_64(struct bnx2x *bp, u32 addr, const u32 *data,
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 46e2492..3ef24b9 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4223,10 +4223,10 @@ static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
{
int port = BP_PORT(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
sizeof(struct ustorm_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
sizeof(struct cstorm_status_block)/4);
}
@@ -4280,18 +4280,18 @@ static void bnx2x_zero_def_sb(struct bnx2x *bp)
{
int func = BP_FUNC(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR +
+ TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct tstorm_def_status_block)/4);
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct ustorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct cstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR +
XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct xstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
- TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct tstorm_def_status_block)/4);
}
static void bnx2x_init_def_sb(struct bnx2x *bp,
@@ -5615,37 +5615,10 @@ static int bnx2x_init_common(struct bnx2x *bp)
bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
- if (CHIP_IS_E1H(bp)) {
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- } else { /* E1 */
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- }
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
--
1.5.4.3
reply other threads:[~2009-03-02 18:01 UTC|newest]
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