| /* |
| * Nuvoton NPCM7xx System Global Control Registers. |
| * |
| * Copyright 2020 Google LLC |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| */ |
| #ifndef NPCM7XX_GCR_H |
| #define NPCM7XX_GCR_H |
| |
| #include "exec/memory.h" |
| #include "hw/sysbus.h" |
| |
| /* |
| * NPCM7XX PWRON STRAP bit fields |
| * 12: SPI0 powered by VSBV3 at 1.8V |
| * 11: System flash attached to BMC |
| * 10: BSP alternative pins. |
| * 9:8: Flash UART command route enabled. |
| * 7: Security enabled. |
| * 6: HI-Z state control. |
| * 5: ECC disabled. |
| * 4: Reserved |
| * 3: JTAG2 enabled. |
| * 2:0: CPU and DRAM clock frequency. |
| */ |
| #define NPCM7XX_PWRON_STRAP_SPI0F18 BIT(12) |
| #define NPCM7XX_PWRON_STRAP_SFAB BIT(11) |
| #define NPCM7XX_PWRON_STRAP_BSPA BIT(10) |
| #define NPCM7XX_PWRON_STRAP_FUP(x) ((x) << 8) |
| #define FUP_NORM_UART2 3 |
| #define FUP_PROG_UART3 2 |
| #define FUP_PROG_UART2 1 |
| #define FUP_NORM_UART3 0 |
| #define NPCM7XX_PWRON_STRAP_SECEN BIT(7) |
| #define NPCM7XX_PWRON_STRAP_HIZ BIT(6) |
| #define NPCM7XX_PWRON_STRAP_ECC BIT(5) |
| #define NPCM7XX_PWRON_STRAP_RESERVE1 BIT(4) |
| #define NPCM7XX_PWRON_STRAP_J2EN BIT(3) |
| #define NPCM7XX_PWRON_STRAP_CKFRQ(x) (x) |
| #define CKFRQ_SKIPINIT 0x000 |
| #define CKFRQ_DEFAULT 0x111 |
| |
| /* |
| * Number of registers in our device state structure. Don't change this without |
| * incrementing the version_id in the vmstate. |
| */ |
| #define NPCM7XX_GCR_NR_REGS (0x148 / sizeof(uint32_t)) |
| |
| typedef struct NPCM7xxGCRState { |
| SysBusDevice parent; |
| |
| MemoryRegion iomem; |
| |
| uint32_t regs[NPCM7XX_GCR_NR_REGS]; |
| |
| uint32_t reset_pwron; |
| uint32_t reset_mdlr; |
| uint32_t reset_intcr3; |
| } NPCM7xxGCRState; |
| |
| #define TYPE_NPCM7XX_GCR "npcm7xx-gcr" |
| #define NPCM7XX_GCR(obj) OBJECT_CHECK(NPCM7xxGCRState, (obj), TYPE_NPCM7XX_GCR) |
| |
| #endif /* NPCM7XX_GCR_H */ |
