diff options
Diffstat (limited to 'arch/arm/cpu/at91-common/spl_atmel.c')
-rw-r--r-- | arch/arm/cpu/at91-common/spl_atmel.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/arm/cpu/at91-common/spl_atmel.c b/arch/arm/cpu/at91-common/spl_atmel.c deleted file mode 100644 index 9cc1111..0000000 --- a/arch/arm/cpu/at91-common/spl_atmel.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> -#include <asm/arch/at91_wdt.h> -#include <asm/arch/clk.h> -#include <spl.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void switch_to_main_crystal_osc(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - u32 tmp; - - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_OSCOUNT(0xff); - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_MOSCEN; - tmp |= AT91_PMC_MOR_OSCOUNT(8); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - while (!(readl(&pmc->sr) & AT91_PMC_IXR_MOSCS)) - ; - - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_OSCBYPASS; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - - tmp = readl(&pmc->mor); - tmp |= AT91_PMC_MOR_MOSCSEL; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - - while (!(readl(&pmc->sr) & AT91_PMC_IXR_MOSCSELS)) - ; - - /* Wait until MAINRDY field is set to make sure main clock is stable */ - while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY)) - ; - -#ifndef CONFIG_SAMA5D4 - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_MOSCRCEN; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); -#endif -} - -__weak void matrix_init(void) -{ - /* This only be used for sama5d4 soc now */ -} - -__weak void redirect_int_from_saic_to_aic(void) -{ - /* This only be used for sama5d4 soc now */ -} - -void s_init(void) -{ - switch_to_main_crystal_osc(); - - /* disable watchdog */ - at91_disable_wdt(); - - /* PMC configuration */ - at91_pmc_init(); - - at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); - - matrix_init(); - - redirect_int_from_saic_to_aic(); - - timer_init(); - - board_early_init_f(); - - preloader_console_init(); - - mem_init(); -} |