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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/roms/u-boot/drivers/net/fm/p1023.c | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/roms/u-boot/drivers/net/fm/p1023.c')
-rw-r--r-- | src/roms/u-boot/drivers/net/fm/p1023.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/roms/u-boot/drivers/net/fm/p1023.c b/src/roms/u-boot/drivers/net/fm/p1023.c new file mode 100644 index 0000000..b25d10a --- /dev/null +++ b/src/roms/u-boot/drivers/net/fm/p1023.c @@ -0,0 +1,73 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <phy.h> +#include <fm_eth.h> +#include <asm/io.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_serdes.h> + +static u32 port_to_devdisr[] = { + [FM1_DTSEC1] = MPC85xx_DEVDISR_TSEC1, + [FM1_DTSEC2] = MPC85xx_DEVDISR_TSEC2, +}; + +static int is_device_disabled(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr = in_be32(&gur->devdisr); + + return port_to_devdisr[port] & devdisr; +} + +void fman_disable_port(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* don't allow disabling of DTSEC1 as its needed for MDIO */ + if (port == FM1_DTSEC1) + return; + + setbits_be32(&gur->devdisr, port_to_devdisr[port]); +} + +void fman_enable_port(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + clrbits_be32(&gur->devdisr, port_to_devdisr[port]); +} + +phy_interface_t fman_port_enet_if(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 pordevsr = in_be32(&gur->pordevsr); + + if (is_device_disabled(port)) + return PHY_INTERFACE_MODE_NONE; + + /* DTSEC1 can be SGMII, RGMII or RMII */ + if (port == FM1_DTSEC1) { + if (is_serdes_configured(SGMII_FM1_DTSEC1)) + return PHY_INTERFACE_MODE_SGMII; + if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) { + if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC) + return PHY_INTERFACE_MODE_RGMII; + else + return PHY_INTERFACE_MODE_RMII; + } + } + + /* DTSEC2 only supports SGMII or RGMII */ + if (port == FM1_DTSEC2) { + if (is_serdes_configured(SGMII_FM1_DTSEC2)) + return PHY_INTERFACE_MODE_SGMII; + if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS) + return PHY_INTERFACE_MODE_RGMII; + } + + return PHY_INTERFACE_MODE_NONE; +} |