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authorPriyanka Jain <priyanka.jain@nxp.com>2018-01-30 09:41:08 +0300
committerJoe Hershberger <joe.hershberger@ni.com>2018-03-22 23:05:31 +0300
commitb321c44ac9e2569fcc07def3e150fcfe4554a1b0 (patch)
tree02b9242e29e625f0fb395fa6ef8e00e1c5e8be6b /drivers/net
parentaf5484acb0e8e4b6d0d977f84d8dde7b537c441d (diff)
downloadu-boot-b321c44ac9e2569fcc07def3e150fcfe4554a1b0.tar.xz
net/phy/cortina: Add No firmware upload option
Current Cortina phy driver assumes that firmware upload is required during initialization and is dependent on presence of corresponding macros like CONFIG_CORTINA_FW_ADDR for compilation. But Cortina phy has provision to store phy firmware in attached dedicated EEPROM. And boards designed with such EEPROM does not require firmware upload. Add CORTINA_NO_FW_UPLOAD option in cortina.c to support such boards. Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/phy/cortina.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/phy/cortina.c b/drivers/net/phy/cortina.c
index 3ac833d71a..9cb3a52c20 100644
--- a/drivers/net/phy/cortina.c
+++ b/drivers/net/phy/cortina.c
@@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-2.0+
*
* Copyright 2014 Freescale Semiconductor, Inc.
+ * Copyright 2018 NXP
*
*/
@@ -27,6 +28,7 @@
#error The Cortina PHY needs 10G support
#endif
+#ifndef CORTINA_NO_FW_UPLOAD
struct cortina_reg_config cortina_reg_cfg[] = {
/* CS4315_enable_sr_mode */
{VILLA_GLOBAL_MSEQCLKCTRL, 0x8004},
@@ -215,12 +217,22 @@ void cs4340_upload_firmware(struct phy_device *phydev)
phy_write(phydev, 0x00, fw_temp.reg_addr, fw_temp.reg_value);
}
}
+#endif
int cs4340_phy_init(struct phy_device *phydev)
{
+#ifndef CORTINA_NO_FW_UPLOAD
int timeout = 100; /* 100ms */
+#endif
int reg_value;
+ /*
+ * Cortina phy has provision to store
+ * phy firmware in attached dedicated EEPROM.
+ * Boards designed with EEPROM attached to Cortina
+ * does not require FW upload.
+ */
+#ifndef CORTINA_NO_FW_UPLOAD
/* step1: BIST test */
phy_write(phydev, 0x00, VILLA_GLOBAL_MSEQCLKCTRL, 0x0004);
phy_write(phydev, 0x00, VILLA_GLOBAL_LINE_SOFT_RESET, 0x0000);
@@ -241,6 +253,7 @@ int cs4340_phy_init(struct phy_device *phydev)
/* setp2: upload ucode */
cs4340_upload_firmware(phydev);
+#endif
reg_value = phy_read(phydev, 0x00, VILLA_GLOBAL_DWNLD_CHECKSUM_STATUS);
if (reg_value) {
debug("%s checksum status failed.\n", __func__);