[PATCH net-next V3 04/10] cpsw: remember the silicon version
flat view
STALE5095d
From: Richard Cochran <richardcochran@gmail.com>
Date: 2012-10-29 18:45:14
Also in:
linux-arm-kernel
Subsystem:
networking drivers, the rest, ti ethernet switch driver (cpsw) · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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> --- drivers/net/ethernet/ti/cpsw.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index b4ca370..5c427cf 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),
--
1.7.2.5