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bnx2x: Using DMA engine

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Using DMA engine (DMAE) to initialize large consecutive memories in the chip

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein
2009-03-02 07:59:52 +00:00
committed by David S. Miller
parent 2059aba7e4
commit 490c3c9bf9
2 changed files with 35 additions and 60 deletions
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36
drivers/net/bnx2x_init.h
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@ -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,