diff options
Diffstat (limited to 'board/st')
-rw-r--r-- | board/st/stm32f746-disco/stm32f746-disco.c | 124 |
1 files changed, 117 insertions, 7 deletions
diff --git a/board/st/stm32f746-disco/stm32f746-disco.c b/board/st/stm32f746-disco/stm32f746-disco.c index 404fdfa..7ed7bf7 100644 --- a/board/st/stm32f746-disco/stm32f746-disco.c +++ b/board/st/stm32f746-disco/stm32f746-disco.c @@ -10,12 +10,12 @@ #include <asm/armv7m.h> #include <asm/arch/stm32.h> #include <asm/arch/gpio.h> -#include <asm/arch/rcc.h> #include <asm/arch/fmc.h> #include <dm/platdata.h> #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; @@ -114,11 +114,6 @@ out: return rv; } -/* - * STM32 RCC FMC specific definitions - */ -#define RCC_ENR_FMC (1 << 0) /* FMC module clock */ - static inline u32 _ns2clk(u32 ns, u32 freq) { u32 tmp = freq/1000000; @@ -176,7 +171,7 @@ int dram_init(void) if (rv) return rv; - setbits_le32(RCC_BASE + RCC_AHB3ENR, RCC_ENR_FMC); + clock_setup(FMC_CLOCK_CFG); /* * Get frequency for NS2CLK calculation. @@ -282,6 +277,109 @@ 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 + +#ifdef CONFIG_STM32_QSPI +const struct stm32_gpio_ctl gpio_ctl_qspi_9 = { + .mode = STM32_GPIO_MODE_AF, + .otype = STM32_GPIO_OTYPE_PP, + .speed = STM32_GPIO_SPEED_100M, + .pupd = STM32_GPIO_PUPD_NO, + .af = STM32_GPIO_AF9 +}; + +const struct stm32_gpio_ctl gpio_ctl_qspi_10 = { + .mode = STM32_GPIO_MODE_AF, + .otype = STM32_GPIO_OTYPE_PP, + .speed = STM32_GPIO_SPEED_100M, + .pupd = STM32_GPIO_PUPD_NO, + .af = STM32_GPIO_AF10 +}; + +static const struct stm32_gpio_dsc qspi_af9_gpio[] = { + {STM32_GPIO_PORT_B, STM32_GPIO_PIN_2}, /* QUADSPI_CLK */ + {STM32_GPIO_PORT_D, STM32_GPIO_PIN_11}, /* QUADSPI_BK1_IO0 */ + {STM32_GPIO_PORT_D, STM32_GPIO_PIN_12}, /* QUADSPI_BK1_IO1 */ + {STM32_GPIO_PORT_D, STM32_GPIO_PIN_13}, /* QUADSPI_BK1_IO3 */ + {STM32_GPIO_PORT_E, STM32_GPIO_PIN_2}, /* QUADSPI_BK1_IO2 */ +}; + +static const struct stm32_gpio_dsc qspi_af10_gpio[] = { + {STM32_GPIO_PORT_B, STM32_GPIO_PIN_6}, /* QUADSPI_BK1_NCS */ +}; + +static int qspi_setup(void) +{ + int res = 0; + int i; + + clock_setup(GPIO_B_CLOCK_CFG); + clock_setup(GPIO_D_CLOCK_CFG); + clock_setup(GPIO_E_CLOCK_CFG); + + for (i = 0; i < ARRAY_SIZE(qspi_af9_gpio); i++) { + res = stm32_gpio_config(&qspi_af9_gpio[i], &gpio_ctl_qspi_9); + if (res) + return res; + } + + for (i = 0; i < ARRAY_SIZE(qspi_af10_gpio); i++) { + res = stm32_gpio_config(&qspi_af10_gpio[i], &gpio_ctl_qspi_10); + if (res) + return res; + } + + return 0; +} +#endif + u32 get_board_rev(void) { return 0; @@ -296,6 +394,18 @@ int board_early_init_f(void) if (res) return res; +#ifdef CONFIG_ETH_DESIGNWARE + res = stmmac_setup(); + if (res) + return res; +#endif + +#ifdef CONFIG_STM32_QSPI + res = qspi_setup(); + if (res) + return res; +#endif + return 0; } |