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stmmac: re-work the internal GMAC DMA platf parameters

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This patch re-works the internal GMAC DMA parameters
passed from the platform.
In the past, we only passed the pbl but, with new core,
other parameters can be passed and are mandatory on some
platforms.

New parameters are documented in stmmac.txt because this
patch has an impact for many platforms.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Hacked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Deepak SIKRI
2012-04-04 04:33:23 +00:00
committed by David S. Miller
parent faeae3fa0f
commit 8327eb65e7
9 changed files with 89 additions and 16 deletions
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3
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -236,7 +236,8 @@ struct stmmac_desc_ops {
struct stmmac_dma_ops {
/* DMA core initialization */
int (*init) (void __iomem *ioaddr, int pbl, u32 dma_tx, u32 dma_rx);
int (*init) (void __iomem *ioaddr, int pbl, int fb, int burst_len,
u32 dma_tx, u32 dma_rx);
/* Dump DMA registers */
void (*dump_regs) (void __iomem *ioaddr);
/* Set tx/rx threshold in the csr6 register