xref: /openbmc/u-boot/arch/m68k/include/asm/m5249.h (revision ae485b54)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * mcf5249.h -- Definitions for Motorola Coldfire 5249
4  *
5  * Based on mcf5272sim.h of uCLinux distribution:
6  *      (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com)
7  *      (C) Copyright 2000, Lineo Inc. (www.lineo.com)
8  */
9 
10 #ifndef	mcf5249_h
11 #define	mcf5249_h
12 /****************************************************************************/
13 
14 /*
15  * useful definitions for reading/writing MBAR offset memory
16  */
17 #define mbar_readLong(x)	*((volatile unsigned long *) (CONFIG_SYS_MBAR + x))
18 #define mbar_writeLong(x,y)	*((volatile unsigned long *) (CONFIG_SYS_MBAR + x)) = y
19 #define mbar_writeShort(x,y)	*((volatile unsigned short *) (CONFIG_SYS_MBAR + x)) = y
20 #define mbar_writeByte(x,y)	*((volatile unsigned char *) (CONFIG_SYS_MBAR + x)) = y
21 #define mbar2_readLong(x)	*((volatile unsigned long *) (CONFIG_SYS_MBAR2 + x))
22 #define mbar2_writeLong(x,y)	*((volatile unsigned long *) (CONFIG_SYS_MBAR2 + x)) = y
23 #define mbar2_writeShort(x,y)	*((volatile unsigned short *) (CONFIG_SYS_MBAR2 + x)) = y
24 #define mbar2_writeByte(x,y)	*((volatile unsigned char *) (CONFIG_SYS_MBAR2 + x)) = y
25 
26 /*
27  * Size of internal RAM
28  */
29 
30 #define INT_RAM_SIZE 32768	/* RAMBAR0 - 32k */
31 #define INT_RAM_SIZE2 65536	/* RAMBAR1 - 64k */
32 
33 /*
34  *	Define the 5249 SIM register set addresses.
35  */
36 
37 /*****************
38  ***** MBAR1 *****
39  *****************/
40 #define	MCFSIM_RSR		0x00	/* Reset Status reg (r/w) */
41 #define	MCFSIM_SYPCR		0x01	/* System Protection reg (r/w) */
42 #define	MCFSIM_SWIVR		0x02	/* SW Watchdog intr reg (r/w) */
43 #define	MCFSIM_SWSR		0x03	/* SW Watchdog service (r/w) */
44 #define MCFSIM_MPARK		0x0c	/* Bus master park register (r/w) */
45 
46 #define	MCFSIM_SIMR		0x00	/* SIM Config reg (r/w) */
47 #define	MCFSIM_ICR0		0x4c	/* Intr Ctrl reg 0 (r/w) */
48 #define	MCFSIM_ICR1		0x4d	/* Intr Ctrl reg 1 (r/w) */
49 #define	MCFSIM_ICR2		0x4e	/* Intr Ctrl reg 2 (r/w) */
50 #define	MCFSIM_ICR3		0x4f	/* Intr Ctrl reg 3 (r/w) */
51 #define	MCFSIM_ICR4		0x50	/* Intr Ctrl reg 4 (r/w) */
52 #define	MCFSIM_ICR5		0x51	/* Intr Ctrl reg 5 (r/w) */
53 #define	MCFSIM_ICR6		0x52	/* Intr Ctrl reg 6 (r/w) */
54 #define	MCFSIM_ICR7		0x53	/* Intr Ctrl reg 7 (r/w) */
55 #define	MCFSIM_ICR8		0x54	/* Intr Ctrl reg 8 (r/w) */
56 #define	MCFSIM_ICR9		0x55	/* Intr Ctrl reg 9 (r/w) */
57 #define	MCFSIM_ICR10		0x56	/* Intr Ctrl reg 10 (r/w) */
58 #define	MCFSIM_ICR11		0x57	/* Intr Ctrl reg 11 (r/w) */
59 
60 #define MCFSIM_IPR		0x40	/* Interrupt Pend reg (r/w) */
61 #define MCFSIM_IMR		0x44	/* Interrupt Mask reg (r/w) */
62 
63 #define MCFSIM_DCR		0x100	/* DRAM Control reg (r/w) */
64 #define MCFSIM_DACR0		0x108	/* DRAM 0 Addr and Ctrl (r/w) */
65 #define MCFSIM_DMR0		0x10c	/* DRAM 0 Mask reg (r/w) */
66 #define MCFSIM_DACR1		0x110	/* DRAM 1 Addr and Ctrl (r/w) */
67 #define MCFSIM_DMR1		0x114	/* DRAM 1 Mask reg (r/w) */
68 
69 /*****************
70  ***** MBAR2 *****
71  *****************/
72 
73 /*  GPIO Addresses
74  *  Note: These are offset from MBAR2!
75  */
76 #define MCFSIM_GPIO_READ	0x00	/* Read-Only access to gpio 0-31 (MBAR2) (r) */
77 #define MCFSIM_GPIO_OUT		0x04	/* Output register for gpio 0-31 (MBAR2) (r/w) */
78 #define MCFSIM_GPIO_EN		0x08	/* gpio 0-31 enable (r/w) */
79 #define MCFSIM_GPIO_FUNC	0x0c	/* gpio 0-31 function select (r/w) */
80 #define MCFSIM_GPIO1_READ	0xb0	/* Read-Only access to gpio 32-63 (MBAR2) (r) */
81 #define MCFSIM_GPIO1_OUT	0xb4	/* Output register for gpio 32-63 (MBAR2) (r/w) */
82 #define MCFSIM_GPIO1_EN		0xb8	/* gpio 32-63 enable (r/w) */
83 #define MCFSIM_GPIO1_FUNC	0xbc	/* gpio 32-63 function select (r/w) */
84 
85 #define MCFSIM_GPIO_INT_STAT	0xc0	/* Secondary Interrupt status (r) */
86 #define MCFSIM_GPIO_INT_CLEAR	0xc0	/* Secondary Interrupt status (w) */
87 #define MCFSIM_GPIO_INT_EN	0xc4	/* Secondary Interrupt status (r/w) */
88 
89 #define MCFSIM_INT_STAT3	0xe0	/* 3rd Interrupt ctrl status (r) */
90 #define MCFSIM_INT_CLEAR3	0xe0	/* 3rd Interrupt ctrl clear (w) */
91 #define MCFSIM_INT_EN3		0xe4	/* 3rd Interrupt ctrl enable (r/w) */
92 
93 #define MCFSIM_INTLEV1		0x140	/* Interrupts 0 - 7 (r/w) */
94 #define MCFSIM_INTLEV2		0x144	/* Interrupts 8 -15 (r/w) */
95 #define MCFSIM_INTLEV3		0x148	/* Interrupts 16-23 (r/w) */
96 #define MCFSIM_INTLEV4		0x14c	/* Interrupts 24-31 (r/w) */
97 #define MCFSIM_INTLEV5		0x150	/* Interrupts 32-39 (r/w) */
98 #define MCFSIM_INTLEV6		0x154	/* Interrupts 40-47 (r/w) */
99 #define MCFSIM_INTLEV7		0x158	/* Interrupts 48-55 (r/w) */
100 #define MCFSIM_INTLEV8		0x15c	/* Interrupts 56-63 (r/w) */
101 
102 #define MCFSIM_SPURVEC		0x167	/* Spurious Vector Register (r/w) */
103 #define MCFSIM_INTBASE		0x16b	/* Software interrupt base address (r/w) */
104 
105 #define MCFSIM_IDECONFIG1	0x18c	/* IDE config register 1 (r/w) */
106 #define MCFSIM_IDECONFIG2	0x190	/* IDE config register 1 (r/w) */
107 
108 #define MCFSIM_PLLCR		0x180	/* PLL Control register */
109 
110 /*
111  *  Some symbol defines for the above...
112  */
113 #define	MCFSIM_SWDICR		MCFSIM_ICR0	/* Watchdog timer ICR */
114 #define	MCFSIM_TIMER1ICR	MCFSIM_ICR1	/* Timer 1 ICR */
115 #define	MCFSIM_TIMER2ICR	MCFSIM_ICR2	/* Timer 2 ICR */
116 #define	MCFSIM_I2CICR		MCFSIM_ICR3	/* I2C ICR */
117 #define	MCFSIM_UART1ICR		MCFSIM_ICR4	/* UART 1 ICR */
118 #define	MCFSIM_UART2ICR		MCFSIM_ICR5	/* UART 2 ICR */
119 /* XXX - If needed, DMA ICRs go here */
120 #define	MCFSIM_QSPIICR		MCFSIM_ICR10	/* QSPI ICR */
121 
122 /*
123  *	Bit definitions for the ICR family of registers.
124  */
125 #define	MCFSIM_ICR_AUTOVEC	0x80	/* Auto-vectored intr */
126 #define	MCFSIM_ICR_LEVEL0	0x00	/* Level 0 intr */
127 #define	MCFSIM_ICR_LEVEL1	0x04	/* Level 1 intr */
128 #define	MCFSIM_ICR_LEVEL2	0x08	/* Level 2 intr */
129 #define	MCFSIM_ICR_LEVEL3	0x0c	/* Level 3 intr */
130 #define	MCFSIM_ICR_LEVEL4	0x10	/* Level 4 intr */
131 #define	MCFSIM_ICR_LEVEL5	0x14	/* Level 5 intr */
132 #define	MCFSIM_ICR_LEVEL6	0x18	/* Level 6 intr */
133 #define	MCFSIM_ICR_LEVEL7	0x1c	/* Level 7 intr */
134 
135 #define	MCFSIM_ICR_PRI0		0x00	/* Priority 0 intr */
136 #define	MCFSIM_ICR_PRI1		0x01	/* Priority 1 intr */
137 #define	MCFSIM_ICR_PRI2		0x02	/* Priority 2 intr */
138 #define	MCFSIM_ICR_PRI3		0x03	/* Priority 3 intr */
139 
140 /*
141  *  Macros to read/set IMR register. It is 32 bits on the 5249.
142  */
143 
144 #define	mcf_getimr()		\
145 	*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
146 
147 #define	mcf_setimr(imr)		\
148 	*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
149 
150 #endif				/* mcf5249_h */
151