[u-boot.git] / arch / arm / mach-kirkwood / include / mach / cpu.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <[email protected]>
 */

#ifndef _KWCPU_H
#define _KWCPU_H

#include <asm/system.h>

#ifndef __ASSEMBLY__

#define KWCPU_WIN_CTRL_DATA(size, target, attr, en) (en | (target << 4) \
			| (attr << 8) | (kw_winctrl_calcsize(size) << 16))

#define KWGBE_PORT_SERIAL_CONTROL1_REG(_x)	\
		((_x ? KW_EGIGA1_BASE : KW_EGIGA0_BASE) + 0x44c)

#define KW_REG_PCIE_DEVID		(KW_REG_PCIE_BASE + 0x00)
#define KW_REG_PCIE_REVID		(KW_REG_PCIE_BASE + 0x08)
#define KW_REG_DEVICE_ID		(KW_MPP_BASE + 0x34)
#define KW_REG_SYSRST_CNT		(KW_MPP_BASE + 0x50)
#define SYSRST_CNT_1SEC_VAL		(25*1000000)
#define KW_REG_MPP_OUT_DRV_REG		(KW_MPP_BASE + 0xE0)

enum memory_bank {
	BANK0,
	BANK1,
	BANK2,
	BANK3
};

enum kwcpu_winen {
	KWCPU_WIN_DISABLE,
	KWCPU_WIN_ENABLE
};

enum kwcpu_target {
	KWCPU_TARGET_RESERVED,
	KWCPU_TARGET_MEMORY,
	KWCPU_TARGET_1RESERVED,
	KWCPU_TARGET_SASRAM,
	KWCPU_TARGET_PCIE
};

enum kwcpu_attrib {
	KWCPU_ATTR_SASRAM = 0x01,
	KWCPU_ATTR_DRAM_CS0 = 0x0e,
	KWCPU_ATTR_DRAM_CS1 = 0x0d,
	KWCPU_ATTR_DRAM_CS2 = 0x0b,
	KWCPU_ATTR_DRAM_CS3 = 0x07,
	KWCPU_ATTR_NANDFLASH = 0x2f,
	KWCPU_ATTR_SPIFLASH = 0x1e,
	KWCPU_ATTR_BOOTROM = 0x1d,
	KWCPU_ATTR_PCIE_IO = 0xe0,
	KWCPU_ATTR_PCIE_MEM = 0xe8
};

/*
 * Default Device Address MAP BAR values
 */
#define KW_DEFADR_PCI_MEM	0x90000000
#define KW_DEFADR_PCI_IO	0xC0000000
#define KW_DEFADR_PCI_IO_REMAP	0xC0000000
#define KW_DEFADR_SASRAM	0xC8010000
#define KW_DEFADR_NANDF		0xD8000000
#define KW_DEFADR_SPIF		0xE8000000
#define KW_DEFADR_BOOTROM	0xF8000000

/*
 * read feroceon/sheeva core extra feature register
 * using co-proc instruction
 */
static inline unsigned int readfr_extra_feature_reg(void)
{
	unsigned int val;
	asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr":"=r"
			(val)::"cc");
	return val;
}

/*
 * write feroceon/sheeva core extra feature register
 * using co-proc instruction
 */
static inline void writefr_extra_feature_reg(unsigned int val)
{
	asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr"::"r"
			(val):"cc");
	isb();
}

/*
 * MBus-L to Mbus Bridge Registers
 * Ref: Datasheet sec:A.3
 */
struct kwwin_registers {
	u32 ctrl;
	u32 base;
	u32 remap_lo;
	u32 remap_hi;
};

/*
 * CPU control and status Registers
 * Ref: Datasheet sec:A.3.2
 */
struct kwcpu_registers {
	u32 config;	/*0x20100 */
	u32 ctrl_stat;	/*0x20104 */
	u32 rstoutn_mask; /* 0x20108 */
	u32 sys_soft_rst; /* 0x2010C */
	u32 ahb_mbus_cause_irq; /* 0x20110 */
	u32 ahb_mbus_mask_irq; /* 0x20114 */
	u32 pad1[2];
	u32 ftdll_config; /* 0x20120 */
	u32 pad2;
	u32 l2_cfg;	/* 0x20128 */
};

/*
 * GPIO Registers
 * Ref: Datasheet sec:A.19
 */
struct kwgpio_registers {
	u32 dout;
	u32 oe;
	u32 blink_en;
	u32 din_pol;
	u32 din;
	u32 irq_cause;
	u32 irq_mask;
	u32 irq_level;
};

/*
 * functions
 */
unsigned int mvebu_sdram_bar(enum memory_bank bank);
unsigned int mvebu_sdram_bs(enum memory_bank bank);
void mvebu_sdram_size_adjust(enum memory_bank bank);
int kw_config_adr_windows(void);
void mvebu_config_gpio(unsigned int gpp0_oe_val, unsigned int gpp1_oe_val,
		unsigned int gpp0_oe, unsigned int gpp1_oe);
int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
		unsigned int mpp16_23, unsigned int mpp24_31,
		unsigned int mpp32_39, unsigned int mpp40_47,
		unsigned int mpp48_55);
unsigned int kw_winctrl_calcsize(unsigned int sizeval);
#endif /* __ASSEMBLY__ */
#endif /* _KWCPU_H */
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
4efb77d4 PW	2	/*
	3	* (C) Copyright 2009
	4	* Marvell Semiconductor <www.marvell.com>
	5	* Written-by: Prafulla Wadaskar <[email protected]>
4efb77d4 PW	6	*/
	7
	8	#ifndef _KWCPU_H
	9	#define _KWCPU_H
	10
	11	#include <asm/system.h>
	12
	13	#ifndef __ASSEMBLY__
	14
78eabb90 PW	15	#define KWCPU_WIN_CTRL_DATA(size, target, attr, en) (en \| (target << 4) \
	16	\| (attr << 8) \| (kw_winctrl_calcsize(size) << 16))
	17
4efb77d4	18	#define KWGBE_PORT_SERIAL_CONTROL1_REG(_x) \
3e75e696	19	((_x ? KW_EGIGA1_BASE : KW_EGIGA0_BASE) + 0x44c)
4efb77d4	20
c0cd0207 PW	21	#define KW_REG_PCIE_DEVID (KW_REG_PCIE_BASE + 0x00)
c0cd0207 PW	22	#define KW_REG_PCIE_REVID (KW_REG_PCIE_BASE + 0x08)
4efb77d4	23	#define KW_REG_DEVICE_ID (KW_MPP_BASE + 0x34)
49d2cb4d PW	24	#define KW_REG_SYSRST_CNT (KW_MPP_BASE + 0x50)
49d2cb4d PW	25	#define SYSRST_CNT_1SEC_VAL (25*1000000)
4efb77d4 PW	26	#define KW_REG_MPP_OUT_DRV_REG (KW_MPP_BASE + 0xE0)
	27
	28	enum memory_bank {
	29	BANK0,
	30	BANK1,
	31	BANK2,
	32	BANK3
	33	};
	34
	35	enum kwcpu_winen {
	36	KWCPU_WIN_DISABLE,
	37	KWCPU_WIN_ENABLE
	38	};
	39
	40	enum kwcpu_target {
	41	KWCPU_TARGET_RESERVED,
	42	KWCPU_TARGET_MEMORY,
	43	KWCPU_TARGET_1RESERVED,
	44	KWCPU_TARGET_SASRAM,
	45	KWCPU_TARGET_PCIE
	46	};
	47
	48	enum kwcpu_attrib {
	49	KWCPU_ATTR_SASRAM = 0x01,
78eabb90 PW	50	KWCPU_ATTR_DRAM_CS0 = 0x0e,
	51	KWCPU_ATTR_DRAM_CS1 = 0x0d,
	52	KWCPU_ATTR_DRAM_CS2 = 0x0b,
	53	KWCPU_ATTR_DRAM_CS3 = 0x07,
4efb77d4 PW	54	KWCPU_ATTR_NANDFLASH = 0x2f,
	55	KWCPU_ATTR_SPIFLASH = 0x1e,
	56	KWCPU_ATTR_BOOTROM = 0x1d,
	57	KWCPU_ATTR_PCIE_IO = 0xe0,
	58	KWCPU_ATTR_PCIE_MEM = 0xe8
	59	};
	60
	61	/*
	62	* Default Device Address MAP BAR values
	63	*/
	64	#define KW_DEFADR_PCI_MEM 0x90000000
	65	#define KW_DEFADR_PCI_IO 0xC0000000
	66	#define KW_DEFADR_PCI_IO_REMAP 0xC0000000
	67	#define KW_DEFADR_SASRAM 0xC8010000
	68	#define KW_DEFADR_NANDF 0xD8000000
	69	#define KW_DEFADR_SPIF 0xE8000000
	70	#define KW_DEFADR_BOOTROM 0xF8000000
	71
	72	/*
	73	* read feroceon/sheeva core extra feature register
	74	* using co-proc instruction
	75	*/
	76	static inline unsigned int readfr_extra_feature_reg(void)
	77	{
	78	unsigned int val;
	79	asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr":"=r"
	80	(val)::"cc");
	81	return val;
	82	}
	83
	84	/*
	85	* write feroceon/sheeva core extra feature register
	86	* using co-proc instruction
	87	*/
	88	static inline void writefr_extra_feature_reg(unsigned int val)
	89	{
	90	asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr"::"r"
	91	(val):"cc");
	92	isb();
	93	}
	94
	95	/*
	96	* MBus-L to Mbus Bridge Registers
	97	* Ref: Datasheet sec:A.3
	98	*/
	99	struct kwwin_registers {
	100	u32 ctrl;
	101	u32 base;
	102	u32 remap_lo;
	103	u32 remap_hi;
	104	};
	105
	106	/*
	107	* CPU control and status Registers
	108	* Ref: Datasheet sec:A.3.2
	109	*/
	110	struct kwcpu_registers {
	111	u32 config; /0x20100 /
	112	u32 ctrl_stat; /0x20104 /
	113	u32 rstoutn_mask; /* 0x20108 */
	114	u32 sys_soft_rst; /* 0x2010C */
	115	u32 ahb_mbus_cause_irq; /* 0x20110 */
	116	u32 ahb_mbus_mask_irq; /* 0x20114 */
	117	u32 pad1[2];
118	u32 ftdll_config; /* 0x20120 */
119	u32 pad2;
120	u32 l2_cfg; /* 0x20128 */
121	};
122
123	/*
124	* GPIO Registers
125	* Ref: Datasheet sec:A.19
126	*/
127	struct kwgpio_registers {
128	u32 dout;
129	u32 oe;
130	u32 blink_en;
131	u32 din_pol;
132	u32 din;
133	u32 irq_cause;
134	u32 irq_mask;
135	u32 irq_level;
136	};
137
138	/*
139	* functions
140	*/
96c5f081 SR	141	unsigned int mvebu_sdram_bar(enum memory_bank bank);
	142	unsigned int mvebu_sdram_bs(enum memory_bank bank);
	143	void mvebu_sdram_size_adjust(enum memory_bank bank);
4efb77d4	144	int kw_config_adr_windows(void);
d5c5132f	145	void mvebu_config_gpio(unsigned int gpp0_oe_val, unsigned int gpp1_oe_val,
4efb77d4 PW	146	unsigned int gpp0_oe, unsigned int gpp1_oe);
	147	int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
	148	unsigned int mpp16_23, unsigned int mpp24_31,
	149	unsigned int mpp32_39, unsigned int mpp40_47,
	150	unsigned int mpp48_55);
78eabb90	151	unsigned int kw_winctrl_calcsize(unsigned int sizeval);
4efb77d4 PW	152	#endif /* __ASSEMBLY__ */
4efb77d4 PW	153	#endif /* _KWCPU_H */