diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-at91/atmel_sfr.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-at91/atmel_sfr.c')
| -rw-r--r-- | roms/u-boot/arch/arm/mach-at91/atmel_sfr.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-at91/atmel_sfr.c b/roms/u-boot/arch/arm/mach-at91/atmel_sfr.c new file mode 100644 index 000000000..b14222460 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-at91/atmel_sfr.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015 Atmel Corporation + * Wenyou Yang <wenyou.yang@atmel.com> + */ + +#include <common.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/arch/at91_sfr.h> + +#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D4) +void redirect_int_from_saic_to_aic(void) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + u32 key32; + + if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) { + key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY; + writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir); + } +} + +void configure_2nd_sram_as_l2_cache(void) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + + writel(1, &sfr->l2cc_hramc); +} +#endif + +void configure_ddrcfg_input_buffers(bool open) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + + if (open) + writel(ATMEL_SFR_DDRCFG_FDQIEN | ATMEL_SFR_DDRCFG_FDQSIEN, + &sfr->ddrcfg); + else + writel(0, &sfr->ddrcfg); +} + |