diff options
Diffstat (limited to 'arch/arm/cpu/armv7/at91')
| -rw-r--r-- | arch/arm/cpu/armv7/at91/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/at91/clock.c | 29 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/at91/config.mk | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/at91/sama5d4_devices.c | 30 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/at91/timer.c | 3 |
5 files changed, 63 insertions, 4 deletions
diff --git a/arch/arm/cpu/armv7/at91/Makefile b/arch/arm/cpu/armv7/at91/Makefile index 0a2e48d..f4f35a4 100644 --- a/arch/arm/cpu/armv7/at91/Makefile +++ b/arch/arm/cpu/armv7/at91/Makefile @@ -9,6 +9,7 @@ # obj-$(CONFIG_SAMA5D3) += sama5d3_devices.o +obj-$(CONFIG_SAMA5D4) += sama5d4_devices.o obj-y += clock.o obj-y += cpu.o obj-y += reset.o diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c index 36ed4a6..2cdddb2 100644 --- a/arch/arm/cpu/armv7/at91/clock.c +++ b/arch/arm/cpu/armv7/at91/clock.c @@ -111,6 +111,35 @@ int at91_clock_init(unsigned long main_clock) return 0; } +void at91_plla_init(u32 pllar) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + writel(pllar, &pmc->pllar); + while (!(readl(&pmc->sr) & (AT91_PMC_LOCKA | AT91_PMC_MCKRDY))) + ; +} + +void at91_mck_init(u32 mckr) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + u32 tmp; + + tmp = readl(&pmc->mckr); + tmp &= ~(AT91_PMC_MCKR_CSS_MASK | + AT91_PMC_MCKR_PRES_MASK | + AT91_PMC_MCKR_MDIV_MASK | + AT91_PMC_MCKR_PLLADIV_2); + tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK | + AT91_PMC_MCKR_PRES_MASK | + AT91_PMC_MCKR_MDIV_MASK | + AT91_PMC_MCKR_PLLADIV_2); + writel(tmp, &pmc->mckr); + + while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) + ; +} + void at91_periph_clk_enable(int id) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; diff --git a/arch/arm/cpu/armv7/at91/config.mk b/arch/arm/cpu/armv7/at91/config.mk index 09eab70..db60308 100644 --- a/arch/arm/cpu/armv7/at91/config.mk +++ b/arch/arm/cpu/armv7/at91/config.mk @@ -3,8 +3,6 @@ # # SPDX-License-Identifier: GPL-2.0+ # -ifdef CONFIG_SPL_BUILD -ALL-y += boot.bin -else +ifndef CONFIG_SPL_BUILD ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c new file mode 100644 index 0000000..2708097 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2014 Atmel + * Bo Shen <voice.shen@atmel.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/sama5d4.h> + +char *get_cpu_name() +{ + unsigned int extension_id = get_extension_chip_id(); + + if (cpu_is_sama5d4()) + switch (extension_id) { + case ARCH_EXID_SAMA5D41: + return "SAMA5D41"; + case ARCH_EXID_SAMA5D42: + return "SAMA5D42"; + case ARCH_EXID_SAMA5D43: + return "SAMA5D43"; + case ARCH_EXID_SAMA5D44: + return "SAMA5D44"; + default: + return "Unknown CPU type"; + } + else + return "Unknown CPU type"; +} diff --git a/arch/arm/cpu/armv7/at91/timer.c b/arch/arm/cpu/armv7/at91/timer.c index e3ebfe0..19bf80b 100644 --- a/arch/arm/cpu/armv7/at91/timer.c +++ b/arch/arm/cpu/armv7/at91/timer.c @@ -65,7 +65,8 @@ int timer_init(void) /* Enable PITC */ writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); - gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16; + gd->arch.timer_rate_hz = get_pit_clk_rate() / 16; + gd->arch.tbu = 0; gd->arch.tbl = 0; |