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