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authorRichard Cochran <richardcochran@gmail.com>2012-10-29 08:45:14 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-01 12:21:29 -0400
commite90cfac6c281da3c8b89dba0eb783c23872705b1 (patch)
tree69e9c3018088aa4d28e5c77d7f3f1a7970673ca5
parentbd357af2a52259778dfcc06482dc70463b7b1301 (diff)
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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>
-rw-r--r--drivers/net/ethernet/ti/cpsw.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index b4ca370a4e67..5c427cf1ef87 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -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),