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board: stm32f746-disco: Get MII/RMII phy_mode from DT

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This is needed to make ethernet work on stm32f746-eval which
uses MII mode.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Patrice Chotard 2019-02-22 15:04:44 +01:00
parent 136580c1bb
commit 77594d7fbf
1 changed files with 21 additions and 2 deletions
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23
board/st/stm32f746-disco/stm32f746-disco.c
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@ -7,6 +7,8 @@
#include <common.h>
#include <dm.h>
#include <lcd.h>
#include <miiphy.h>
#include <phy_interface.h>
#include <ram.h>
#include <spl.h>
#include <splash.h>
@ -123,8 +125,25 @@ int board_init(void)
gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
#ifdef CONFIG_ETH_DESIGNWARE
/* Set >RMII mode */
STM32_SYSCFG->pmc |= SYSCFG_PMC_MII_RMII_SEL;
const char *phy_mode;
int node;
node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "st,stm32-dwmac");
if (node < 0)
return -1;
phy_mode = fdt_getprop(gd->fdt_blob, node, "phy-mode", NULL);
switch (phy_get_interface_by_name(phy_mode)) {
case PHY_INTERFACE_MODE_RMII:
STM32_SYSCFG->pmc |= SYSCFG_PMC_MII_RMII_SEL;
break;
case PHY_INTERFACE_MODE_MII:
STM32_SYSCFG->pmc &= ~SYSCFG_PMC_MII_RMII_SEL;
break;
default:
printf("PHY interface %s not supported !\n", phy_mode);
}
#endif
#if defined(CONFIG_CMD_BMP)