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drivers: net: cpsw: remove hard coding bd ram for cpsw

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BD ram address may vary in various SOC, so removing the hardcoding and
passing the same information through platform data

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
This commit is contained in:
Mugunthan V N 2013-07-08 16:04:37 +05:30 committed by Tom Rini
parent 5d4dbf1c3a
commit 2bf36ac638
4 changed files with 4 additions and 3 deletions
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1
board/ti/am335x/board.c
View File

@ -435,6 +435,7 @@ static struct cpsw_platform_data cpsw_data = {
.ale_entries = 1024,
.host_port_reg_ofs = 0x108,
.hw_stats_reg_ofs = 0x900,
.bd_ram_ofs = 0x2000,
.mac_control = (1 << 5),
.control = cpsw_control,
.host_port_num = 0,

1
board/ti/ti814x/evm.c
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@ -207,6 +207,7 @@ static struct cpsw_platform_data cpsw_data = {
.ale_entries = 1024,
.host_port_reg_ofs = 0x28,
.hw_stats_reg_ofs = 0x400,
.bd_ram_ofs = 0x2000,
.mac_control = (1 << 5),
.control = cpsw_control,
.host_port_num = 0,

4
drivers/net/cpsw.c
View File

@ -51,8 +51,6 @@
#define CPDMA_RXCP_VER1 0x160
#define CPDMA_RXCP_VER2 0x260
#define CPDMA_RAM_ADDR 0x4a102000
/* Descriptor mode bits */
#define CPDMA_DESC_SOP BIT(31)
#define CPDMA_DESC_EOP BIT(30)
@ -984,12 +982,12 @@ int cpsw_register(struct cpsw_platform_data *data)
return -ENOMEM;
}
priv->descs = (void *)CPDMA_RAM_ADDR;
priv->host_port = data->host_port_num;
priv->regs = regs;
priv->host_port_regs = regs + data->host_port_reg_ofs;
priv->dma_regs = regs + data->cpdma_reg_ofs;
priv->ale_regs = regs + data->ale_reg_ofs;
priv->descs = (void *)regs + data->bd_ram_ofs;
int idx = 0;

1
include/cpsw.h
View File

@ -39,6 +39,7 @@ struct cpsw_platform_data {
int ale_entries; /* ale table size */
u32 host_port_reg_ofs; /* cpdma host port registers */
u32 hw_stats_reg_ofs; /* cpsw hw stats counters */
u32 bd_ram_ofs; /* Buffer Descriptor RAM offset */
u32 mac_control;
struct cpsw_slave_data *slave_data;
void (*control)(int enabled);