diff options
Diffstat (limited to 'board/ti/am335x/board.c')
| -rw-r--r-- | board/ti/am335x/board.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index e8555de..9b70670 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -11,6 +11,7 @@ #include <dm.h> #include <env.h> #include <errno.h> +#include <hang.h> #include <image.h> #include <init.h> #include <malloc.h> @@ -38,6 +39,7 @@ #include <miiphy.h> #include <cpsw.h> #include <linux/bitops.h> +#include <linux/compiler.h> #include <linux/delay.h> #include <power/tps65217.h> #include <power/tps65910.h> @@ -691,6 +693,8 @@ done: } #endif +static bool __maybe_unused prueth_is_mii = true; + /* * Basic board specific setup. Pinmux has been handled already. */ @@ -710,6 +714,8 @@ int board_init(void) if (board_is_icev2()) { int rv; u32 reg; + bool eth0_is_mii = true; + bool eth1_is_mii = true; REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL); /* Make J19 status available on GPIO1_26 */ @@ -740,6 +746,7 @@ int board_init(void) writel(reg, GPIO0_IRQSTATUS1); /* clear irq */ /* RMII mode */ printf("ETH0, CPSW\n"); + eth0_is_mii = false; } else { /* MII mode */ printf("ETH0, PRU\n"); @@ -752,12 +759,21 @@ int board_init(void) /* RMII mode */ printf("ETH1, CPSW\n"); gpio_set_value(GPIO_MUX_MII_CTRL, 1); + eth1_is_mii = false; } else { /* MII mode */ printf("ETH1, PRU\n"); cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */ } + if (eth0_is_mii != eth1_is_mii) { + printf("Unsupported Ethernet port configuration\n"); + printf("Both ports must be set as RMII or MII\n"); + hang(); + } + + prueth_is_mii = eth0_is_mii; + /* disable rising edge IRQs */ reg = readl(GPIO0_RISINGDETECT) & ~BIT(11); writel(reg, GPIO0_RISINGDETECT); @@ -852,6 +868,8 @@ int board_late_init(void) if (is_valid_ethaddr(mac_addr)) eth_env_set_enetaddr("eth1addr", mac_addr); } + + env_set("ice_mii", prueth_is_mii ? "mii" : "rmii"); #endif if (!env_get("serial#")) { |