diff options
| author | Michael Kurz <michi.kurz@gmail.com> | 2017-01-22 16:04:27 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-01-28 14:04:47 -0500 |
| commit | b20b70fcc027a173b61950e9bb4a736557d19697 (patch) | |
| tree | d8c23ea158777541fe1442bde4fb58f627e80b65 /board | |
| parent | 081de09d493e648f38b71180ca83fdf9f5c657e7 (diff) | |
net: stm32: add designware mac glue code for stm32
This patch adds glue code required for enabling the designware
mac on stm32f7 devices.
Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/st/stm32f746-disco/stm32f746-disco.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/board/st/stm32f746-disco/stm32f746-disco.c b/board/st/stm32f746-disco/stm32f746-disco.c index 929ccb42e06..6c1613880a6 100644 --- a/board/st/stm32f746-disco/stm32f746-disco.c +++ b/board/st/stm32f746-disco/stm32f746-disco.c @@ -15,6 +15,7 @@ #include <dm/platform_data/serial_stm32x7.h> #include <asm/arch/stm32_periph.h> #include <asm/arch/stm32_defs.h> +#include <asm/arch/syscfg.h> DECLARE_GLOBAL_DATA_PTR; @@ -276,6 +277,55 @@ U_BOOT_DEVICE(stm32x7_serials) = { .platdata = &serial_platdata, }; +#ifdef CONFIG_ETH_DESIGNWARE +const struct stm32_gpio_ctl gpio_ctl_eth = { + .mode = STM32_GPIO_MODE_AF, + .otype = STM32_GPIO_OTYPE_PP, + .speed = STM32_GPIO_SPEED_100M, + .pupd = STM32_GPIO_PUPD_NO, + .af = STM32_GPIO_AF11 +}; + +static const struct stm32_gpio_dsc eth_gpio[] = { + {STM32_GPIO_PORT_A, STM32_GPIO_PIN_1}, /* ETH_RMII_REF_CLK */ + {STM32_GPIO_PORT_A, STM32_GPIO_PIN_2}, /* ETH_MDIO */ + {STM32_GPIO_PORT_A, STM32_GPIO_PIN_7}, /* ETH_RMII_CRS_DV */ + + {STM32_GPIO_PORT_C, STM32_GPIO_PIN_1}, /* ETH_MDC */ + {STM32_GPIO_PORT_C, STM32_GPIO_PIN_4}, /* ETH_RMII_RXD0 */ + {STM32_GPIO_PORT_C, STM32_GPIO_PIN_5}, /* ETH_RMII_RXD1 */ + + {STM32_GPIO_PORT_G, STM32_GPIO_PIN_11}, /* ETH_RMII_TX_EN */ + {STM32_GPIO_PORT_G, STM32_GPIO_PIN_13}, /* ETH_RMII_TXD0 */ + {STM32_GPIO_PORT_G, STM32_GPIO_PIN_14}, /* ETH_RMII_TXD1 */ +}; + +static int stmmac_setup(void) +{ + int res = 0; + int i; + + clock_setup(SYSCFG_CLOCK_CFG); + + /* Set >RMII mode */ + STM32_SYSCFG->pmc |= SYSCFG_PMC_MII_RMII_SEL; + + clock_setup(GPIO_A_CLOCK_CFG); + clock_setup(GPIO_C_CLOCK_CFG); + clock_setup(GPIO_G_CLOCK_CFG); + + for (i = 0; i < ARRAY_SIZE(eth_gpio); i++) { + res = stm32_gpio_config(ð_gpio[i], &gpio_ctl_eth); + if (res) + return res; + } + + clock_setup(STMMAC_CLOCK_CFG); + + return 0; +} +#endif + u32 get_board_rev(void) { return 0; @@ -290,6 +340,12 @@ int board_early_init_f(void) if (res) return res; +#ifdef CONFIG_ETH_DESIGNWARE + res = stmmac_setup(); + if (res) + return res; +#endif + return 0; } |