To reduce code duplication, let the imx8 based DH boards use the common code for setting up their MAC addresses.
Signed-off-by: Philip Oberfichtner pro@denx.de Tested-by: Marek Vasut marex@denx.de ---
Changes in v2: - Tested-by Marek
.../dh_imx8mp/imx8mp_dhcom_pdk2.c | 121 +++++++----------- 1 file changed, 48 insertions(+), 73 deletions(-)
diff --git a/board/dhelectronics/dh_imx8mp/imx8mp_dhcom_pdk2.c b/board/dhelectronics/dh_imx8mp/imx8mp_dhcom_pdk2.c index 8676c44d0d..6f06daf86f 100644 --- a/board/dhelectronics/dh_imx8mp/imx8mp_dhcom_pdk2.c +++ b/board/dhelectronics/dh_imx8mp/imx8mp_dhcom_pdk2.c @@ -16,6 +16,8 @@ #include <miiphy.h>
#include "lpddr4_timing.h" +#include "../common/dh_common.h" +#include "../common/dh_imx.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -75,95 +77,68 @@ static void setup_fec(void) set_clk_enet(ENET_125MHZ); }
-static int setup_mac_address_from_eeprom(char *alias, char *env, bool odd) +static int dh_imx8_setup_ethaddr(void) { unsigned char enetaddr[6]; - struct udevice *dev; - int ret, offset; - - offset = fdt_path_offset(gd->fdt_blob, alias); - if (offset < 0) { - printf("%s: No eeprom0 path offset\n", __func__); - return offset; - } - - ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, offset, &dev); - if (ret) { - printf("Cannot find EEPROM!\n"); - return ret; - } - - ret = i2c_eeprom_read(dev, 0xfa, enetaddr, 0x6); - if (ret) { - printf("Error reading configuration EEPROM!\n"); - return ret; - } + + if (dh_mac_is_in_env("ethaddr")) + return 0; + + if (!dh_imx_get_mac_from_fuse(enetaddr)) + goto out; + + if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0")) + goto out; + + return -ENXIO; + +out: + return eth_env_set_enetaddr("ethaddr", enetaddr); +} + +static int dh_imx8_setup_eth1addr(void) +{ + unsigned char enetaddr[6]; + + if (dh_mac_is_in_env("eth1addr")) + return 0; + + if (!dh_imx_get_mac_from_fuse(enetaddr)) + goto increment_out; + + if (!dh_get_mac_from_eeprom(enetaddr, "eeprom1")) + goto out;
/* * Populate second ethernet MAC from first ethernet EEPROM with MAC * address LSByte incremented by 1. This is only used on SoMs without * second ethernet EEPROM, i.e. early prototypes. */ - if (odd) - enetaddr[5]++; + if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0")) + goto increment_out;
- eth_env_set_enetaddr(env, enetaddr); + return -ENXIO;
- return 0; +increment_out: + enetaddr[5]++; + +out: + return eth_env_set_enetaddr("eth1addr", enetaddr); }
-static void setup_mac_address(void) +int dh_setup_mac_address(void) { - unsigned char enetaddr[6]; - bool skip_eth0 = false; - bool skip_eth1 = false; int ret;
- ret = eth_env_get_enetaddr("ethaddr", enetaddr); - if (ret) /* ethaddr is already set */ - skip_eth0 = true; - - ret = eth_env_get_enetaddr("eth1addr", enetaddr); - if (ret) /* eth1addr is already set */ - skip_eth1 = true; + ret = dh_imx8_setup_ethaddr(); + if (ret) + printf("%s: Unable to setup ethaddr! ret = %d\n", __func__, ret);
- /* Both MAC addresses are already set in U-Boot environment. */ - if (skip_eth0 && skip_eth1) - return; + ret = dh_imx8_setup_eth1addr(); + if (ret) + printf("%s: Unable to setup eth1addr! ret = %d\n", __func__, ret);
- /* - * If IIM fuses contain valid MAC address, use it. - * The IIM MAC address fuses are NOT programmed by default. - */ - imx_get_mac_from_fuse(0, enetaddr); - if (is_valid_ethaddr(enetaddr)) { - if (!skip_eth0) - eth_env_set_enetaddr("ethaddr", enetaddr); - /* - * The LSbit of MAC address in fuses is always 0, use the - * next consecutive MAC address for the second ethernet. - */ - enetaddr[5]++; - if (!skip_eth1) - eth_env_set_enetaddr("eth1addr", enetaddr); - return; - } - - /* Use on-SoM EEPROMs with pre-programmed MAC address. */ - if (!skip_eth0) { - /* We cannot do much more if this returns -ve . */ - setup_mac_address_from_eeprom("eeprom0", "ethaddr", false); - } - - if (!skip_eth1) { - ret = setup_mac_address_from_eeprom("eeprom1", "eth1addr", - false); - if (ret) { /* Second EEPROM might not be populated. */ - /* We cannot do much more if this returns -ve . */ - setup_mac_address_from_eeprom("eeprom0", "eth1addr", - true); - } - } + return ret; }
int board_init(void) @@ -176,7 +151,7 @@ int board_init(void)
int board_late_init(void) { - setup_mac_address(); + dh_setup_mac_address(); return 0; }