diff options
Diffstat (limited to 'plat/mediatek/common/mtk_cirq.h')
| -rw-r--r-- | plat/mediatek/common/mtk_cirq.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/plat/mediatek/common/mtk_cirq.h b/plat/mediatek/common/mtk_cirq.h new file mode 100644 index 000000000..6e63bb834 --- /dev/null +++ b/plat/mediatek/common/mtk_cirq.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2020, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PLAT_MT_CIRQ_H +#define PLAT_MT_CIRQ_H + +#include <stdint.h> +#include <platform_def.h> + +enum { + IRQ_MASK_HEADER = 0xF1F1F1F1, + IRQ_MASK_FOOTER = 0xF2F2F2F2 +}; + +struct mtk_irq_mask { + uint32_t header; /* for error checking */ + uint32_t mask0; + uint32_t mask1; + uint32_t mask2; + uint32_t mask3; + uint32_t mask4; + uint32_t mask5; + uint32_t mask6; + uint32_t mask7; + uint32_t mask8; + uint32_t mask9; + uint32_t mask10; + uint32_t mask11; + uint32_t mask12; + uint32_t footer; /* for error checking */ +}; + +/* + * Define hardware register + */ +#define CIRQ_STA_BASE (SYS_CIRQ_BASE + U(0x000)) +#define CIRQ_ACK_BASE (SYS_CIRQ_BASE + U(0x080)) +#define CIRQ_MASK_BASE (SYS_CIRQ_BASE + U(0x100)) +#define CIRQ_MASK_SET_BASE (SYS_CIRQ_BASE + U(0x180)) +#define CIRQ_MASK_CLR_BASE (SYS_CIRQ_BASE + U(0x200)) +#define CIRQ_SENS_BASE (SYS_CIRQ_BASE + U(0x280)) +#define CIRQ_SENS_SET_BASE (SYS_CIRQ_BASE + U(0x300)) +#define CIRQ_SENS_CLR_BASE (SYS_CIRQ_BASE + U(0x380)) +#define CIRQ_POL_BASE (SYS_CIRQ_BASE + U(0x400)) +#define CIRQ_POL_SET_BASE (SYS_CIRQ_BASE + U(0x480)) +#define CIRQ_POL_CLR_BASE (SYS_CIRQ_BASE + U(0x500)) +#define CIRQ_CON (SYS_CIRQ_BASE + U(0x600)) + +/* + * Register placement + */ +#define CIRQ_CON_EN_BITS U(0) +#define CIRQ_CON_EDGE_ONLY_BITS U(1) +#define CIRQ_CON_FLUSH_BITS U(2) +#define CIRQ_CON_SW_RST_BITS U(20) +#define CIRQ_CON_EVENT_BITS U(31) +#define CIRQ_CON_BITS_MASK U(0x7) + +/* + * Register setting + */ +#define CIRQ_CON_EN U(0x1) +#define CIRQ_CON_EDGE_ONLY U(0x1) +#define CIRQ_CON_FLUSH U(0x1) +#define CIRQ_SW_RESET U(0x1) + +/* + * Define constant + */ +#define CIRQ_CTRL_REG_NUM ((CIRQ_IRQ_NUM + 31U) / 32U) + +#define MT_CIRQ_POL_NEG U(0) +#define MT_CIRQ_POL_POS U(1) + +#define IRQ_TO_CIRQ_NUM(irq) ((irq) - (32U + CIRQ_SPI_START)) +#define CIRQ_TO_IRQ_NUM(cirq) ((cirq) + (32U + CIRQ_SPI_START)) + +/* GIC sensitive */ +#define SENS_EDGE U(0x2) +#define SENS_LEVEL U(0x1) + + +/* + * Define function prototypes. + */ +int mt_cirq_test(void); +void mt_cirq_dump_reg(void); +int mt_irq_mask_restore(struct mtk_irq_mask *mask); +int mt_irq_mask_all(struct mtk_irq_mask *mask); +void mt_cirq_clone_gic(void); +void mt_cirq_enable(void); +void mt_cirq_flush(void); +void mt_cirq_disable(void); +void mt_irq_unmask_for_sleep_ex(uint32_t irq); +void set_wakeup_sources(uint32_t *list, uint32_t num_of_events); +void mt_cirq_sw_reset(void); + +struct cirq_reg { + uint32_t reg_num; + uint32_t used; + uint32_t mask; + uint32_t pol; + uint32_t sen; + uint32_t pending; + uint32_t the_link; +}; + +struct cirq_events { + uint32_t num_reg; + uint32_t spi_start; + uint32_t num_of_events; + uint32_t *wakeup_events; + struct cirq_reg table[CIRQ_REG_NUM]; + uint32_t dist_base; + uint32_t cirq_base; + uint32_t used_reg_head; +}; + +#endif /* PLAT_MT_CIRQ_H */ |