1 /****************************************************************************/
4 * m5249sim.h -- ColdFire 5249 System Integration Module support.
6 * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
9 /****************************************************************************/
12 /****************************************************************************/
15 * Define the 5249 SIM register set addresses.
17 #define MCFSIM_RSR 0x00 /* Reset Status reg (r/w) */
18 #define MCFSIM_SYPCR 0x01 /* System Protection reg (r/w)*/
19 #define MCFSIM_SWIVR 0x02 /* SW Watchdog intr reg (r/w) */
20 #define MCFSIM_SWSR 0x03 /* SW Watchdog service (r/w) */
21 #define MCFSIM_PAR 0x04 /* Pin Assignment reg (r/w) */
22 #define MCFSIM_IRQPAR 0x06 /* Interrupt Assignment reg (r/w) */
23 #define MCFSIM_MPARK 0x0C /* BUS Master Control Reg*/
24 #define MCFSIM_IPR 0x40 /* Interrupt Pend reg (r/w) */
25 #define MCFSIM_IMR 0x44 /* Interrupt Mask reg (r/w) */
26 #define MCFSIM_AVR 0x4b /* Autovector Ctrl reg (r/w) */
27 #define MCFSIM_ICR0 0x4c /* Intr Ctrl reg 0 (r/w) */
28 #define MCFSIM_ICR1 0x4d /* Intr Ctrl reg 1 (r/w) */
29 #define MCFSIM_ICR2 0x4e /* Intr Ctrl reg 2 (r/w) */
30 #define MCFSIM_ICR3 0x4f /* Intr Ctrl reg 3 (r/w) */
31 #define MCFSIM_ICR4 0x50 /* Intr Ctrl reg 4 (r/w) */
32 #define MCFSIM_ICR5 0x51 /* Intr Ctrl reg 5 (r/w) */
33 #define MCFSIM_ICR6 0x52 /* Intr Ctrl reg 6 (r/w) */
34 #define MCFSIM_ICR7 0x53 /* Intr Ctrl reg 7 (r/w) */
35 #define MCFSIM_ICR8 0x54 /* Intr Ctrl reg 8 (r/w) */
36 #define MCFSIM_ICR9 0x55 /* Intr Ctrl reg 9 (r/w) */
37 #define MCFSIM_ICR10 0x56 /* Intr Ctrl reg 10 (r/w) */
38 #define MCFSIM_ICR11 0x57 /* Intr Ctrl reg 11 (r/w) */
40 #define MCFSIM_CSAR0 0x80 /* CS 0 Address 0 reg (r/w) */
41 #define MCFSIM_CSMR0 0x84 /* CS 0 Mask 0 reg (r/w) */
42 #define MCFSIM_CSCR0 0x8a /* CS 0 Control reg (r/w) */
43 #define MCFSIM_CSAR1 0x8c /* CS 1 Address reg (r/w) */
44 #define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */
45 #define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */
46 #define MCFSIM_CSAR2 0x98 /* CS 2 Address reg (r/w) */
47 #define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */
48 #define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */
49 #define MCFSIM_CSAR3 0xa4 /* CS 3 Address reg (r/w) */
50 #define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */
51 #define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */
53 #define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */
54 #define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */
55 #define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */
56 #define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */
57 #define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */
61 * Some symbol defines for the above...
63 #define MCFSIM_SWDICR MCFSIM_ICR0 /* Watchdog timer ICR */
64 #define MCFSIM_TIMER1ICR MCFSIM_ICR1 /* Timer 1 ICR */
65 #define MCFSIM_TIMER2ICR MCFSIM_ICR2 /* Timer 2 ICR */
66 #define MCFSIM_UART1ICR MCFSIM_ICR4 /* UART 1 ICR */
67 #define MCFSIM_UART2ICR MCFSIM_ICR5 /* UART 2 ICR */
68 #define MCFSIM_DMA0ICR MCFSIM_ICR6 /* DMA 0 ICR */
69 #define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */
70 #define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
71 #define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
74 * Define system peripheral IRQ usage.
76 #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */
77 #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */
80 * General purpose IO registers (in MBAR2).
82 #define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */
83 #define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */
84 #define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */
85 #define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */
86 #define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */
87 #define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */
88 #define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */
89 #define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* GPIO1 function */
91 #define MCFSIM2_GPIOINTSTAT 0xc0 /* GPIO interrupt status */
92 #define MCFSIM2_GPIOINTCLEAR 0xc0 /* GPIO interrupt clear */
93 #define MCFSIM2_GPIOINTENABLE 0xc4 /* GPIO interrupt enable */
95 #define MCFSIM2_INTLEVEL1 0x140 /* Interrupt level reg 1 */
96 #define MCFSIM2_INTLEVEL2 0x144 /* Interrupt level reg 2 */
97 #define MCFSIM2_INTLEVEL3 0x148 /* Interrupt level reg 3 */
98 #define MCFSIM2_INTLEVEL4 0x14c /* Interrupt level reg 4 */
99 #define MCFSIM2_INTLEVEL5 0x150 /* Interrupt level reg 5 */
100 #define MCFSIM2_INTLEVEL6 0x154 /* Interrupt level reg 6 */
101 #define MCFSIM2_INTLEVEL7 0x158 /* Interrupt level reg 7 */
102 #define MCFSIM2_INTLEVEL8 0x15c /* Interrupt level reg 8 */
104 #define MCFSIM2_DMAROUTE 0x188 /* DMA routing */
106 #define MCFSIM2_IDECONFIG1 0x18c /* IDEconfig1 */
107 #define MCFSIM2_IDECONFIG2 0x190 /* IDEconfig2 */
110 * Define the base interrupt for the second interrupt controller.
111 * We set it to 128, out of the way of the base interrupts, and plenty
112 * of room for its 64 interrupts.
114 #define MCFINTC2_VECBASE 128
116 #define MCFINTC2_GPIOIRQ0 (MCFINTC2_VECBASE + 32)
117 #define MCFINTC2_GPIOIRQ1 (MCFINTC2_VECBASE + 33)
118 #define MCFINTC2_GPIOIRQ2 (MCFINTC2_VECBASE + 34)
119 #define MCFINTC2_GPIOIRQ3 (MCFINTC2_VECBASE + 35)
120 #define MCFINTC2_GPIOIRQ4 (MCFINTC2_VECBASE + 36)
121 #define MCFINTC2_GPIOIRQ5 (MCFINTC2_VECBASE + 37)
122 #define MCFINTC2_GPIOIRQ6 (MCFINTC2_VECBASE + 38)
123 #define MCFINTC2_GPIOIRQ7 (MCFINTC2_VECBASE + 39)
126 * Generic GPIO support
128 #define MCFGPIO_PIN_MAX 64
129 #define MCFGPIO_IRQ_MAX -1
130 #define MCFGPIO_IRQ_VECBASE -1
132 /****************************************************************************/
137 * The M5249C3 board needs a little help getting all its SIM devices
138 * initialized at kernel start time. dBUG doesn't set much up, so
139 * we need to do it manually.
143 * Set MBAR1 and MBAR2, just incase they are not set.
145 movel #0x10000001,%a0
146 movec %a0,%MBAR /* map MBAR region */
147 subql #1,%a0 /* get MBAR address in a0 */
149 movel #0x80000001,%a1
150 movec %a1,#3086 /* map MBAR2 region */
151 subql #1,%a1 /* get MBAR2 address in a1 */
154 * Move secondary interrupts to their base (128).
156 moveb #MCFINTC2_VECBASE,%d0
157 moveb %d0,0x16b(%a1) /* interrupt base register */
160 * Work around broken CSMR0/DRAM vector problem.
162 movel #0x001F0021,%d0 /* disable C/I bit */
163 movel %d0,0x84(%a0) /* set CSMR0 */
166 * Disable the PLL firstly. (Who knows what state it is
169 movel 0x180(%a1),%d0 /* get current PLL value */
170 andl #0xfffffffe,%d0 /* PLL bypass first */
171 movel %d0,0x180(%a1) /* set PLL register */
174 #if CONFIG_CLOCK_FREQ == 140000000
176 * Set initial clock frequency. This assumes M5249C3 board
177 * is fitted with 11.2896MHz crystal. It will program the
178 * PLL for 140MHz. Lets go fast :-)
180 movel #0x125a40f0,%d0 /* set for 140MHz */
181 movel %d0,0x180(%a1) /* set PLL register */
183 movel %d0,0x180(%a1) /* set PLL register */
187 * Setup CS1 for ethernet controller.
188 * (Setup as per M5249C3 doco).
190 movel #0xe0000000,%d0 /* CS1 mapped at 0xe0000000 */
192 movel #0x001f0021,%d0 /* CS1 size of 1Mb */
194 movew #0x0080,%d0 /* CS1 = 16bit port, AA */
198 * Setup CS2 for IDE interface.
200 movel #0x50000000,%d0 /* CS2 mapped at 0x50000000 */
202 movel #0x001f0001,%d0 /* CS2 size of 1MB */
204 movew #0x0080,%d0 /* CS2 = 16bit, TA */
207 movel #0x00107000,%d0 /* IDEconfig1 */
209 movel #0x000c0400,%d0 /* IDEconfig2 */
212 movel #0x00080000,%d0 /* GPIO19, IDE reset bit */
213 orl %d0,0xc(%a1) /* function GPIO19 */
214 orl %d0,0x8(%a1) /* enable GPIO19 as output */
215 orl %d0,0x4(%a1) /* de-assert IDE reset */
218 #define PLATFORM_SETUP m5249c3_setup
220 #endif /* __ASSEMBLER__ */
222 /****************************************************************************/
223 #endif /* m5249sim_h */