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 /arch/arm | |
| 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 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-stm32f7/stm32_periph.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-stm32f7/syscfg.h | 38 | ||||
| -rw-r--r-- | arch/arm/mach-stm32/stm32f7/clock.c | 5 |
3 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h index 9b315a8c63..508b5f2716 100644 --- a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h +++ b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h @@ -36,6 +36,7 @@ enum periph_clock { SYSCFG_CLOCK_CFG, TIMER2_CLOCK_CFG, FMC_CLOCK_CFG, + STMMAC_CLOCK_CFG, }; #endif /* __ASM_ARM_ARCH_PERIPH_H */ diff --git a/arch/arm/include/asm/arch-stm32f7/syscfg.h b/arch/arm/include/asm/arch-stm32f7/syscfg.h new file mode 100644 index 0000000000..49e78f203d --- /dev/null +++ b/arch/arm/include/asm/arch-stm32f7/syscfg.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2016 + * Michael Kurz, michi.kurz@gmail.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _STM32_SYSCFG_H +#define _STM32_SYSCFG_H + +struct stm32_syscfg_regs { + u32 memrmp; + u32 pmc; + u32 exticr1; + u32 exticr2; + u32 exticr3; + u32 exticr4; + u32 cmpcr; +}; + +/* + * SYSCFG registers base + */ +#define STM32_SYSCFG ((struct stm32_syscfg_regs *)STM32_SYSCFG_BASE) + +/* SYSCFG memory remap register */ +#define SYSCFG_MEMRMP_MEM_BOOT BIT(0) +#define SYSCFG_MEMRMP_SWP_FMC BIT(10) + +/* SYSCFG peripheral mode configuration register */ +#define SYSCFG_PMC_ADCXDC2 BIT(16) +#define SYSCFG_PMC_MII_RMII_SEL BIT(23) + +/* Compensation cell control register */ +#define SYSCFG_CMPCR_CMP_PD BIT(0) +#define SYSCFG_CMPCR_READY BIT(8) + +#endif diff --git a/arch/arm/mach-stm32/stm32f7/clock.c b/arch/arm/mach-stm32/stm32f7/clock.c index 4faf1747a8..8b3d3fd73a 100644 --- a/arch/arm/mach-stm32/stm32f7/clock.c +++ b/arch/arm/mach-stm32/stm32f7/clock.c @@ -261,6 +261,11 @@ void clock_setup(int peripheral) case FMC_CLOCK_CFG: setbits_le32(&STM32_RCC->ahb3enr, RCC_AHB3ENR_FMC_EN); break; + case STMMAC_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_AHB1ENR_ETHMAC_EN); + setbits_le32(&STM32_RCC->ahb1enr, RCC_AHB1ENR_ETHMAC_RX_EN); + setbits_le32(&STM32_RCC->ahb1enr, RCC_AHB1ENR_ETHMAC_TX_EN); + break; default: break; } |