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Commit e90cfac6 authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller
Browse files

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: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bd357af2

drivers/net/ethernet/ti/cpsw.c

+4 −0
Original line number Diff line number Diff line
@@ -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),