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-rw-r--r--arch/ppc/platforms/lite5200.c245
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diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
deleted file mode 100644
index b9e9db63f65b..000000000000
--- a/arch/ppc/platforms/lite5200.c
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1/*
2 * Platform support file for the Freescale LITE5200 based on MPC52xx.
3 * A maximum of this file should be moved to syslib/mpc52xx_?????
4 * so that new platform based on MPC52xx need a minimal platform file
5 * ( avoid code duplication )
6 *
7 *
8 * Maintainer : Sylvain Munaut <tnt@246tNt.com>
9 *
10 * Based on the 2.4 code written by Kent Borg,
11 * Dale Farnsworth <dale.farnsworth@mvista.com> and
12 * Wolfgang Denk <wd@denx.de>
13 *
14 * Copyright 2004-2005 Sylvain Munaut <tnt@246tNt.com>
15 * Copyright 2003 Motorola Inc.
16 * Copyright 2003 MontaVista Software Inc.
17 * Copyright 2003 DENX Software Engineering (wd@denx.de)
18 *
19 * This file is licensed under the terms of the GNU General Public License
20 * version 2. This program is licensed "as is" without any warranty of any
21 * kind, whether express or implied.
22 */
23
24#include <linux/initrd.h>
25#include <linux/seq_file.h>
26#include <linux/kdev_t.h>
27#include <linux/root_dev.h>
28#include <linux/console.h>
29#include <linux/module.h>
30
31#include <asm/bootinfo.h>
32#include <asm/io.h>
33#include <asm/mpc52xx.h>
34#include <asm/ppc_sys.h>
35#include <asm/machdep.h>
36#include <asm/pci-bridge.h>
37
38
39extern int powersave_nap;
40
41/* Board data given by U-Boot */
42bd_t __res;
43EXPORT_SYMBOL(__res); /* For modules */
44
45
46/* ======================================================================== */
47/* Platform specific code */
48/* ======================================================================== */
49
50/* Supported PSC function in "preference" order */
51struct mpc52xx_psc_func mpc52xx_psc_functions[] = {
52 { .id = 0,
53 .func = "uart",
54 },
55 { .id = -1, /* End entry */
56 .func = NULL,
57 }
58 };
59
60
61static int
62lite5200_show_cpuinfo(struct seq_file *m)
63{
64 seq_printf(m, "machine\t\t: Freescale LITE5200\n");
65 return 0;
66}
67
68#ifdef CONFIG_PCI
69#ifdef CONFIG_LITE5200B
70static int
71lite5200_map_irq(struct pci_dev *dev, unsigned char idsel,
72 unsigned char pin)
73{
74 static char pci_irq_table[][4] =
75 /*
76 * PCI IDSEL/INTPIN->INTLINE
77 * A B C D
78 */
79 {
80 {MPC52xx_IRQ0, MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3},
81 {MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3, MPC52xx_IRQ0},
82 };
83
84 const long min_idsel = 24, max_idsel = 25, irqs_per_slot = 4;
85 return PCI_IRQ_TABLE_LOOKUP;
86}
87#else /* Original Lite */
88static int
89lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
90{
91 return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1;
92}
93#endif
94#endif
95
96static void __init
97lite5200_setup_cpu(void)
98{
99 struct mpc52xx_gpio __iomem *gpio;
100 struct mpc52xx_intr __iomem *intr;
101
102 u32 port_config;
103 u32 intr_ctrl;
104
105 /* Map zones */
106 gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);
107 intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE);
108
109 if (!gpio || !intr) {
110 printk(KERN_ERR __FILE__ ": "
111 "Error while mapping GPIO/INTR during "
112 "lite5200_setup_cpu\n");
113 goto unmap_regs;
114 }
115
116 /* Get port mux config */
117 port_config = in_be32(&gpio->port_config);
118
119 /* 48Mhz internal, pin is GPIO */
120 port_config &= ~0x00800000;
121
122 /* USB port */
123 port_config &= ~0x00007000; /* Differential mode - USB1 only */
124 port_config |= 0x00001000;
125
126 /* ATA CS is on csb_4/5 */
127 port_config &= ~0x03000000;
128 port_config |= 0x01000000;
129
130 /* Commit port config */
131 out_be32(&gpio->port_config, port_config);
132
133 /* IRQ[0-3] setup */
134 intr_ctrl = in_be32(&intr->ctrl);
135 intr_ctrl &= ~0x00ff0000;
136#ifdef CONFIG_LITE5200B
137 /* IRQ[0-3] Level Active Low */
138 intr_ctrl |= 0x00ff0000;
139#else
140 /* IRQ0 Level Active Low
141 * IRQ[1-3] Level Active High */
142 intr_ctrl |= 0x00c00000;
143#endif
144 out_be32(&intr->ctrl, intr_ctrl);
145
146 /* Unmap reg zone */
147unmap_regs:
148 if (gpio) iounmap(gpio);
149 if (intr) iounmap(intr);
150}
151
152static void __init
153lite5200_setup_arch(void)
154{
155 /* CPU & Port mux setup */
156 mpc52xx_setup_cpu(); /* Generic */
157 lite5200_setup_cpu(); /* Platform specific */
158
159#ifdef CONFIG_PCI
160 /* PCI Bridge setup */
161 mpc52xx_find_bridges();
162#endif
163}
164
165void __init
166platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
167 unsigned long r6, unsigned long r7)
168{
169 /* Generic MPC52xx platform initialization */
170 /* TODO Create one and move a max of stuff in it.
171 Put this init in the syslib */
172
173 struct bi_record *bootinfo = find_bootinfo();
174
175 if (bootinfo)
176 parse_bootinfo(bootinfo);
177 else {
178 /* Load the bd_t board info structure */
179 if (r3)
180 memcpy((void*)&__res,(void*)(r3+KERNELBASE),
181 sizeof(bd_t));
182
183#ifdef CONFIG_BLK_DEV_INITRD
184 /* Load the initrd */
185 if (r4) {
186 initrd_start = r4 + KERNELBASE;
187 initrd_end = r5 + KERNELBASE;
188 }
189#endif
190
191 /* Load the command line */
192 if (r6) {
193 *(char *)(r7+KERNELBASE) = 0;
194 strcpy(cmd_line, (char *)(r6+KERNELBASE));
195 }
196 }
197
198 /* PPC Sys identification */
199 identify_ppc_sys_by_id(mfspr(SPRN_SVR));
200
201 /* BAT setup */
202 mpc52xx_set_bat();
203
204 /* No ISA bus by default */
205#ifdef CONFIG_PCI
206 isa_io_base = 0;
207 isa_mem_base = 0;
208#endif
209
210 /* Powersave */
211 /* This is provided as an example on how to do it. But you
212 need to be aware that NAP disable bus snoop and that may
213 be required for some devices to work properly, like USB ... */
214 /* powersave_nap = 1; */
215
216
217 /* Setup the ppc_md struct */
218 ppc_md.setup_arch = lite5200_setup_arch;
219 ppc_md.show_cpuinfo = lite5200_show_cpuinfo;
220 ppc_md.show_percpuinfo = NULL;
221 ppc_md.init_IRQ = mpc52xx_init_irq;
222 ppc_md.get_irq = mpc52xx_get_irq;
223
224#ifdef CONFIG_PCI
225 ppc_md.pci_map_irq = lite5200_map_irq;
226#endif
227
228 ppc_md.find_end_of_memory = mpc52xx_find_end_of_memory;
229 ppc_md.setup_io_mappings = mpc52xx_map_io;
230
231 ppc_md.restart = mpc52xx_restart;
232 ppc_md.power_off = mpc52xx_power_off;
233 ppc_md.halt = mpc52xx_halt;
234
235 /* No time keeper on the LITE5200 */
236 ppc_md.time_init = NULL;
237 ppc_md.get_rtc_time = NULL;
238 ppc_md.set_rtc_time = NULL;
239
240 ppc_md.calibrate_decr = mpc52xx_calibrate_decr;
241#ifdef CONFIG_SERIAL_TEXT_DEBUG
242 ppc_md.progress = mpc52xx_progress;
243#endif
244}
245
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