zephyr/soc/xtensa/intel_s1000/soc.h

183 lines
5.1 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __INC_SOC_H
#define __INC_SOC_H
/* macros related to interrupt handling */
#define XTENSA_IRQ_NUM_SHIFT 0
#define CAVS_IRQ_NUM_SHIFT 8
#define INTR_CNTL_IRQ_NUM_SHIFT 16
#define XTENSA_IRQ_NUM_MASK 0xff
#define CAVS_IRQ_NUM_MASK 0xff
#define INTR_CNTL_IRQ_NUM_MASK 0xff
/*
* IRQs are mapped on 3 levels. 4th level is left 0x00.
*
* 1. Peripheral Register bit offset.
* 2. CAVS logic bit offset.
* 3. Core interrupt number.
*/
#define XTENSA_IRQ_NUMBER(_irq) \
((_irq >> XTENSA_IRQ_NUM_SHIFT) & XTENSA_IRQ_NUM_MASK)
#define CAVS_IRQ_NUMBER(_irq) \
(((_irq >> CAVS_IRQ_NUM_SHIFT) & CAVS_IRQ_NUM_MASK) - 1)
#define INTR_CNTL_IRQ_NUM(_irq) \
(((_irq >> INTR_CNTL_IRQ_NUM_SHIFT) & INTR_CNTL_IRQ_NUM_MASK) - 1)
#define IOAPIC_EDGE 0
#define IOAPIC_HIGH 0
/* DW interrupt controller */
#define DW_ICTL_IRQ_CAVS_OFFSET CAVS_IRQ_NUMBER(DW_ICTL_IRQ)
#define DW_ICTL_NUM_IRQS 9
/* GPIO */
#define GPIO_DW_0_BASE_ADDR 0x00080C00
#define GPIO_DW_0_BITS 32
#define GPIO_DW_PORT_0_INT_MASK 0
#define GPIO_DW_0_IRQ_FLAGS 0
#define GPIO_DW_0_IRQ 0x00040706
#define GPIO_DW_0_IRQ_ICTL_OFFSET INTR_CNTL_IRQ_NUM(GPIO_DW_0_IRQ)
/* low power DMACs */
#define LP_GP_DMA_SIZE 0x00001000
#define DW_DMA0_BASE_ADDR 0x0007C000
#define DW_DMA1_BASE_ADDR (0x0007C000 +\
1 * LP_GP_DMA_SIZE)
#define DW_DMA2_BASE_ADDR (0x0007C000 +\
2 * LP_GP_DMA_SIZE)
#define DW_DMA0_IRQ 0x00001110
#define DW_DMA1_IRQ 0x0000010A
#define DW_DMA2_IRQ 0x0000010D
/* address of DMA ownership register. We need to properly configure
* this register in order to access the DMA registers.
*/
#define CAVS_DMA0_OWNERSHIP_REG (0x00071A60)
#define CAVS_DMA1_OWNERSHIP_REG (0x00071A62)
#define CAVS_DMA2_OWNERSHIP_REG (0x00071A64)
#define DMA_HANDSHAKE_DMIC_RXA 0
#define DMA_HANDSHAKE_DMIC_RXB 1
#define DMA_HANDSHAKE_SSP0_TX 2
#define DMA_HANDSHAKE_SSP0_RX 3
#define DMA_HANDSHAKE_SSP1_TX 4
#define DMA_HANDSHAKE_SSP1_RX 5
#define DMA_HANDSHAKE_SSP2_TX 6
#define DMA_HANDSHAKE_SSP2_RX 7
#define DMA_HANDSHAKE_SSP3_TX 8
#define DMA_HANDSHAKE_SSP3_RX 9
/* DMA Channel Allocation
* FIXME: I2S Driver assigns channel in Kconfig.
* Perhaps DTS is a better option
*/
#define DMIC_DMA_DEV_NAME CONFIG_DMA_0_NAME
#define DMA_CHANNEL_DMIC_RXA 0
#define DMA_CHANNEL_DMIC_RXB 1
/* I2S */
#define I2S0_CAVS_IRQ 0x00000010
#define I2S1_CAVS_IRQ 0x00000110
#define I2S2_CAVS_IRQ 0x00000210
#define I2S3_CAVS_IRQ 0x00000310
#define SSP_SIZE 0x0000200
#define SSP_BASE(x) (0x00077000 + (x) * SSP_SIZE)
#define SSP_MN_DIV_SIZE (8)
#define SSP_MN_DIV_BASE(x) (0x00078D00 + ((x) * SSP_MN_DIV_SIZE))
#define PDM_BASE 0x00010000
#define SOC_NUM_LPGPDMAC 3
#define SOC_NUM_CHANNELS_IN_DMAC 8
#define IOMUX_BASE 0x00081C00
#define SOC_I2C_I0_I1_MS BIT(0)
#define SOC_UART_RTS_CTS_MS BIT(16)
struct soc_io_mux_regs {
u32_t reserved[12];
u32_t io_mux_ctl0;
u32_t io_mux_ctl1;
u32_t io_mux_ctl2;
};
/* SOC Resource Allocation Registers */
#define SOC_RESOURCE_ALLOC_REG_BASE 0x00071A60
/* bit field definition for LP GPDMA ownership register */
#define SOC_LPGPDMAC_OWNER_DSP \
(BIT(15) | BIT_MASK(SOC_NUM_CHANNELS_IN_DMAC))
#define SOC_NUM_I2S_INSTANCES 4
/* bit field definition for IO peripheral ownership register */
#define SOC_DSPIOP_I2S_OWNSEL_DSP \
(BIT_MASK(SOC_NUM_I2S_INSTANCES) << 8)
#define SOC_DSPIOP_DMIC_OWNSEL_DSP BIT(0)
/* bit field definition for general ownership register */
#define SOC_GENO_TIMESTAMP_OWNER_DSP BIT(2)
#define SOC_GENO_MNDIV_OWNER_DSP BIT(1)
struct soc_resource_alloc_regs {
union {
u16_t lpgpdmacxo[SOC_NUM_LPGPDMAC];
u16_t reserved[4];
};
u32_t dspiopo;
u32_t geno;
};
/* SOC DSP SHIM Registers */
#define SOC_DSP_SHIM_REG_BASE 0x00071F00
/* SOC DSP SHIM Register - Clock Control */
#define SOC_CLKCTL_REQ_FAST_CLK BIT(31)
#define SOC_CLKCTL_REQ_SLOW_CLK BIT(30)
#define SOC_CLKCTL_OCS_FAST_CLK BIT(2)
/* SOC DSP SHIM Register - Power Control */
#define SOC_PWRCTL_DISABLE_PWR_GATING_DSP0 BIT(0)
#define SOC_PWRCTL_DISABLE_PWR_GATING_DSP1 BIT(1)
struct soc_dsp_shim_regs {
u32_t reserved[8];
u64_t walclk;
u64_t dspwctcs;
u64_t dspwct0c;
u64_t dspwct1c;
u32_t reserved1[14];
u32_t clkctl;
u32_t clksts;
u32_t reserved2[4];
u16_t pwrctl;
u16_t pwrsts;
u32_t lpsctl;
u32_t lpsdmas0;
u32_t lpsdmas1;
u32_t reserved3[22];
};
#define USB_DW_BASE 0x000A0000
#define USB_DW_IRQ 0x00000806
/* Global Control registers */
#define SOC_S1000_GLB_CTRL_BASE (0x00081C00)
#define SOC_S1000_GLB_CTRL_STRAPS (SOC_S1000_GLB_CTRL_BASE + 0x40)
#define SOC_S1000_STRAP_REF_CLK (BIT_MASK(2) << 3)
#define SOC_S1000_STRAP_REF_CLK_38P4 (0 << 3)
#define SOC_S1000_STRAP_REF_CLK_19P2 (1 << 3)
#define SOC_S1000_STRAP_REF_CLK_24P576 (2 << 3)
extern void _soc_irq_enable(u32_t irq);
extern void _soc_irq_disable(u32_t irq);
extern void dcache_writeback_region(void *addr, size_t size);
extern void dcache_invalidate_region(void *addr, size_t size);
extern u32_t soc_get_ref_clk_freq(void);
#endif /* __INC_SOC_H */