diff options
Diffstat (limited to 'plat/brcm/board/stingray/include/sr_utils.h')
| -rw-r--r-- | plat/brcm/board/stingray/include/sr_utils.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/plat/brcm/board/stingray/include/sr_utils.h b/plat/brcm/board/stingray/include/sr_utils.h new file mode 100644 index 0000000..b3fc735 --- /dev/null +++ b/plat/brcm/board/stingray/include/sr_utils.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2017 - 2020, Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SR_UTILS_H +#define SR_UTILS_H + +#include <lib/mmio.h> + +#include <chip_id.h> +#include <cmn_plat_util.h> +#include <sr_def.h> + +static inline void brcm_stingray_set_qspi_mux(int enable_ap) +{ + mmio_write_32(QSPI_HOLD_N_MODE_SEL_CONTROL, enable_ap); + mmio_write_32(QSPI_WP_N_MODE_SEL_CONTROL, enable_ap); + mmio_write_32(QSPI_SCK_MODE_SEL_CONTROL, enable_ap); + mmio_write_32(QSPI_CS_N_MODE_SEL_CONTROL, enable_ap); + mmio_write_32(QSPI_MOSI_MODE_SEL_CONTROL, enable_ap); + mmio_write_32(QSPI_MISO_MODE_SEL_CONTROL, enable_ap); +} + +static inline void brcm_stingray_set_straps(uint32_t boot_source) +{ + /* Enable software strap override */ + mmio_setbits_32(CDRU_CHIP_STRAP_CTRL, + BIT(CDRU_CHIP_STRAP_CTRL__SOFTWARE_OVERRIDE)); + + /* set straps to the next boot source */ + mmio_clrsetbits_32(CDRU_CHIP_STRAP_DATA, + BOOT_SOURCE_MASK, + boot_source); + + /* Disable software strap override */ + mmio_clrbits_32(CDRU_CHIP_STRAP_CTRL, + BIT(CDRU_CHIP_STRAP_CTRL__SOFTWARE_OVERRIDE)); +} + +#endif |