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	The layerscape header should not include dm.h so remove it. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			201 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			201 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0+ */
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| /*
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|  * Copyright 2017-2020 NXP
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|  * Copyright 2014-2015 Freescale Semiconductor, Inc.
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|  * Layerscape PCIe driver
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|  */
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| 
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| #ifndef _PCIE_LAYERSCAPE_H_
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| #define _PCIE_LAYERSCAPE_H_
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| #include <pci.h>
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| 
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| #include <linux/sizes.h>
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| 
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| #ifndef CONFIG_SYS_PCI_MEMORY_BUS
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| #define CONFIG_SYS_PCI_MEMORY_BUS CONFIG_SYS_SDRAM_BASE
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| #endif
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| 
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| #ifndef CONFIG_SYS_PCI_MEMORY_PHYS
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| #define CONFIG_SYS_PCI_MEMORY_PHYS CONFIG_SYS_SDRAM_BASE
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| #endif
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| 
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| #ifndef CONFIG_SYS_PCI_MEMORY_SIZE
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| #define CONFIG_SYS_PCI_MEMORY_SIZE SZ_4G
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| #endif
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| 
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| #ifndef CONFIG_SYS_PCI_EP_MEMORY_BASE
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| #define CONFIG_SYS_PCI_EP_MEMORY_BASE CONFIG_SYS_LOAD_ADDR
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| #endif
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| 
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| #define PCIE_PHYS_SIZE			0x200000000
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| #define LS2088A_PCIE_PHYS_SIZE		0x800000000
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| #define LS2088A_PCIE1_PHYS_ADDR		0x2000000000
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| 
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| /* iATU registers */
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| #define PCIE_ATU_VIEWPORT		0x900
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| #define PCIE_ATU_REGION_INBOUND		(0x1 << 31)
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| #define PCIE_ATU_REGION_OUTBOUND	(0x0 << 31)
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| #define PCIE_ATU_REGION_INDEX0		(0x0 << 0)
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| #define PCIE_ATU_REGION_INDEX1		(0x1 << 0)
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| #define PCIE_ATU_REGION_INDEX2		(0x2 << 0)
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| #define PCIE_ATU_REGION_INDEX3		(0x3 << 0)
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| #define PCIE_ATU_REGION_NUM		6
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| #define PCIE_ATU_REGION_NUM_SRIOV	24
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| #define PCIE_ATU_CR1			0x904
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| #define PCIE_ATU_TYPE_MEM		(0x0 << 0)
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| #define PCIE_ATU_TYPE_IO		(0x2 << 0)
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| #define PCIE_ATU_TYPE_CFG0		(0x4 << 0)
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| #define PCIE_ATU_TYPE_CFG1		(0x5 << 0)
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| #define PCIE_ATU_FUNC_NUM(pf)		((pf) << 20)
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| #define PCIE_ATU_CR2			0x908
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| #define PCIE_ATU_ENABLE			(0x1 << 31)
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| #define PCIE_ATU_BAR_MODE_ENABLE	(0x1 << 30)
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| #define PCIE_ATU_FUNC_NUM_MATCH_EN	BIT(19)
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| #define PCIE_ATU_VFBAR_MATCH_MODE_EN	BIT(26)
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| #define PCIE_ATU_BAR_NUM(bar)		((bar) << 8)
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| #define PCIE_ATU_LOWER_BASE		0x90C
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| #define PCIE_ATU_UPPER_BASE		0x910
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| #define PCIE_ATU_LIMIT			0x914
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| #define PCIE_ATU_LOWER_TARGET		0x918
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| #define PCIE_ATU_BUS(x)			(((x) & 0xff) << 24)
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| #define PCIE_ATU_DEV(x)			(((x) & 0x1f) << 19)
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| #define PCIE_ATU_FUNC(x)		(((x) & 0x7) << 16)
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| #define PCIE_ATU_UPPER_TARGET		0x91C
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| 
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| /* DBI registers */
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| #define PCIE_SRIOV		0x178
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| #define PCIE_STRFMR1		0x71c /* Symbol Timer & Filter Mask Register1 */
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| #define PCIE_DBI_RO_WR_EN		BIT(0)
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| #define PCIE_MISC_CONTROL_1_OFF         0x8BC
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| 
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| #define PCIE_LINK_CAP		0x7c
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| #define PCIE_LINK_SPEED_MASK	0xf
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| #define PCIE_LINK_WIDTH_MASK	0x3f0
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| #define PCIE_LINK_STA		0x82
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| 
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| #define LTSSM_STATE_MASK	0x3f
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| #define LTSSM_PCIE_L0		0x11 /* L0 state */
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| 
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| #define PCIE_DBI_SIZE		0x100000 /* 1M */
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| 
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| #define PCIE_LCTRL0_CFG2_ENABLE	(1 << 31)
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| #define PCIE_LCTRL0_VF(vf)	((vf) << 22)
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| #define PCIE_LCTRL0_PF(pf)	((pf) << 16)
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| #define PCIE_LCTRL0_VF_ACTIVE	(1 << 21)
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| #define PCIE_LCTRL0_VAL(pf, vf)	(PCIE_LCTRL0_PF(pf) |			   \
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| 				 PCIE_LCTRL0_VF(vf) |			   \
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| 				 ((vf) == 0 ? 0 : PCIE_LCTRL0_VF_ACTIVE) | \
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| 				 PCIE_LCTRL0_CFG2_ENABLE)
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| 
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| #define PCIE_NO_SRIOV_BAR_BASE	0x1000
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| #define FSL_PCIE_EP_MIN_APERTURE        4096     /* 4 Kbytes */
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| #define PCIE_PF_NUM		2
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| #define PCIE_VF_NUM		64
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| #define BAR_NUM			8
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| 
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| #define PCIE_BAR0_SIZE		SZ_4K
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| #define PCIE_BAR1_SIZE		SZ_8K
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| #define PCIE_BAR2_SIZE		SZ_4K
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| #define PCIE_BAR4_SIZE		SZ_1M
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| 
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| #define PCIE_SRIOV_VFBAR0	0x19C
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| 
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| #define PCIE_MASK_OFFSET(flag, pf, off) ((flag) ? 0 : (0x1000 + (off) * (pf)))
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| 
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| /* LUT registers */
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| #define PCIE_LUT_UDR(n)		(0x800 + (n) * 8)
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| #define PCIE_LUT_LDR(n)		(0x804 + (n) * 8)
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| #define PCIE_LUT_ENABLE		(1 << 31)
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| #define PCIE_LUT_ENTRY_COUNT	32
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| 
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| /* PF Controll registers */
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| #define PCIE_PF_CONFIG		0x14
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| #define PCIE_PF_VF_CTRL		0x7F8
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| #define PCIE_PF_DBG		0x7FC
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| #define PCIE_CONFIG_READY	(1 << 0)
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| 
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| #define PCIE_SRDS_PRTCL(idx)	(PCIE1 + (idx))
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| #define PCIE_SYS_BASE_ADDR	0x3400000
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| #define PCIE_CCSR_SIZE		0x0100000
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| 
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| /* CS2 */
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| #define PCIE_CS2_OFFSET		0x1000 /* For PCIe without SR-IOV */
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| 
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| #define SVR_LS102XA		0
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| #define SVR_VAR_PER_SHIFT	8
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| #define SVR_LS102XA_MASK	0x700
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| #define SVR_LS2088A		0x870900
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| #define SVR_LS2084A		0x870910
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| #define SVR_LS2048A		0x870920
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| #define SVR_LS2044A		0x870930
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| #define SVR_LS2081A		0x870918
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| #define SVR_LS2041A		0x870914
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| 
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| /* LS1021a PCIE space */
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| #define LS1021_PCIE_SPACE_OFFSET	0x4000000000ULL
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| #define LS1021_PCIE_SPACE_SIZE		0x0800000000ULL
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| 
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| /* LS1021a PEX1/2 Misc Ports Status Register */
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| #define LS1021_PEXMSCPORTSR(pex_idx)	(0x94 + (pex_idx) * 4)
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| #define LS1021_LTSSM_STATE_SHIFT	20
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| 
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| /* LX2160a PF1 offset */
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| #define LX2160_PCIE_PF1_OFFSET	0x8000
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| 
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| /* layerscape PF1 offset */
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| #define LS_PCIE_PF1_OFFSET	0x20000
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| 
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| struct ls_pcie {
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| 	void __iomem *dbi;
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| 	void __iomem *lut;
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| 	void __iomem *ctrl;
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| 	int idx;
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| 	bool big_endian;
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| 	int mode;
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| };
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| 
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| struct ls_pcie_rc {
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| 	struct ls_pcie *pcie;
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| 	struct list_head list;
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| 	struct udevice *bus;
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| 	struct fdt_resource dbi_res;
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| 	struct fdt_resource lut_res;
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| 	struct fdt_resource ctrl_res;
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| 	struct fdt_resource cfg_res;
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| 	void __iomem *cfg0;
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| 	void __iomem *cfg1;
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| 	bool enabled;
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| 	int next_lut_index;
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| 	int stream_id_cur;
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| };
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| 
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| struct ls_pcie_ep {
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| 	struct fdt_resource addr_res;
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| 	struct ls_pcie *pcie;
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| 	struct udevice *bus;
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| 	void __iomem *addr;
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| 	u32 cfg2_flag;
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| 	u32 sriov_flag;
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| 	u32 pf1_offset;
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| 	u32 num_ib_wins;
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| 	u32 num_ob_wins;
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| 	u8 max_functions;
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| };
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| 
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| extern struct list_head ls_pcie_list;
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| 
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| unsigned int dbi_readl(struct ls_pcie *pcie, unsigned int offset);
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| void dbi_writel(struct ls_pcie *pcie, unsigned int value, unsigned int offset);
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| unsigned int ctrl_readl(struct ls_pcie *pcie, unsigned int offset);
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| void ctrl_writel(struct ls_pcie *pcie, unsigned int value, unsigned int offset);
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| void ls_pcie_atu_outbound_set(struct ls_pcie *pcie, int idx, int type,
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| 			      u64 phys, u64 bus_addr, u64 size);
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| void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, u32 pf, u32 vf_flag,
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| 			     int type, int idx, int bar, u64 phys);
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| void ls_pcie_dump_atu(struct ls_pcie *pcie, u32 win_num, u32 type);
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| int ls_pcie_link_up(struct ls_pcie *pcie);
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| void ls_pcie_dbi_ro_wr_en(struct ls_pcie *pcie);
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| void ls_pcie_dbi_ro_wr_dis(struct ls_pcie *pcie);
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| 
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| #endif /* _PCIE_LAYERSCAPE_H_ */
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