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linux-sg2042
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cpsw: remember the silicon version 

This patch lets the CPSW driver remember the version number in order to
support the two different variants already in the wild.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2012-10-29 08:45:14 +00:00 committed by David S. Miller
parent bd357af2a5
commit e90cfac6c2
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/ti/cpsw.c
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@ -76,6 +76,8 @@ do { \
#define CPSW_MINOR_VERSION(reg) (reg & 0xff)
#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f)
#define CPSW_VERSION_1 0x19010a
#define CPSW_VERSION_2 0x19010c
#define CPDMA_RXTHRESH 0x0c0
#define CPDMA_RXFREE 0x0e0
#define CPDMA_TXHDP 0x00
@ -216,6 +218,7 @@ struct cpsw_priv {
struct cpsw_wr_regs __iomem *wr_regs;
struct cpsw_host_regs __iomem *host_port_regs;
u32 msg_enable;
u32 version;
struct net_device_stats stats;
int rx_packet_max;
int host_port;
@ -540,6 +543,7 @@ static int cpsw_ndo_open(struct net_device *ndev)
pm_runtime_get_sync(&priv->pdev->dev);
reg = __raw_readl(&priv->regs->id_ver);
priv->version = reg;
dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n",
CPSW_MAJOR_VERSION(reg), CPSW_MINOR_VERSION(reg),