From: "Eilon Greenstein" <eilong@broadcom.com>
To: "David Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org, "Yaniv Rosner" <yanivr@broadcom.com>
Subject: [net-next 07/36] bnx2x: Reading the FW version of the BCM8481 PHY
Date: Wed, 12 Aug 2009 21:22:54 +0300 [thread overview]
Message-ID: <1250101374.27379.158.camel@lb-tlvb-eilong> (raw)
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/bnx2x_link.c | 118 ++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 113 insertions(+), 5 deletions(-)
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index 9e1f19a..c925249 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -2046,6 +2046,111 @@ static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, u8 port,
(u32)(fw_ver1<<16 | fw_ver2));
}
+
+static void bnx2x_save_8481_spirom_version(struct bnx2x *bp, u8 port,
+ u8 ext_phy_addr, u32 shmem_base)
+{
+ u16 val, fw_ver1, fw_ver2, cnt;
+ /* For the 32 bits registers in 8481, access via MDIO2ARM interface.*/
+ /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr, MDIO_PMA_DEVAD,
+ 0xA819, 0x0014);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA81A,
+ 0xc200);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA81B,
+ 0x0000);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA81C,
+ 0x0300);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA817,
+ 0x0009);
+
+ for (cnt = 0; cnt < 100; cnt++) {
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA818,
+ &val);
+ if (val & 1)
+ break;
+ udelay(5);
+ }
+ if (cnt == 100) {
+ DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(1)\n");
+ bnx2x_save_spirom_version(bp, port,
+ shmem_base, 0);
+ return;
+ }
+
+
+ /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr, MDIO_PMA_DEVAD,
+ 0xA819, 0x0000);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr, MDIO_PMA_DEVAD,
+ 0xA81A, 0xc200);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr, MDIO_PMA_DEVAD,
+ 0xA817, 0x000A);
+ for (cnt = 0; cnt < 100; cnt++) {
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA818,
+ &val);
+ if (val & 1)
+ break;
+ udelay(5);
+ }
+ if (cnt == 100) {
+ DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(2)\n");
+ bnx2x_save_spirom_version(bp, port,
+ shmem_base, 0);
+ return;
+ }
+
+ /* lower 16 bits of the register SPI_FW_STATUS */
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA81B,
+ &fw_ver1);
+ /* upper 16 bits of register SPI_FW_STATUS */
+ bnx2x_cl45_read(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ 0xA81C,
+ &fw_ver2);
+
+ bnx2x_save_spirom_version(bp, port,
+ shmem_base, (fw_ver2<<16) | fw_ver1);
+}
+
static void bnx2x_bcm8072_external_rom_boot(struct link_params *params)
{
struct bnx2x *bp = params->bp;
@@ -4269,11 +4374,10 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
autoneg_ctrl);
}
- bnx2x_save_bcm_spirom_ver(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- params->shmem_base);
-
+ /* Save spirom version */
+ bnx2x_save_8481_spirom_version(bp, params->port,
+ ext_phy_addr,
+ params->shmem_base);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
DP(NETIF_MSG_LINK,
@@ -5320,7 +5424,11 @@ u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+ status = bnx2x_format_ver(spirom_ver, version, len);
+ break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+ spirom_ver = ((spirom_ver & 0xF80) >> 7) << 16 |
+ (spirom_ver & 0x7F);
status = bnx2x_format_ver(spirom_ver, version, len);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
--
1.5.4.3
reply other threads:[~2009-08-12 18:23 UTC|newest]
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