2 * arch/ppc/platforms/pal4_setup.c
4 * Board setup routines for the SBS PalomarIV.
8 * 2002 (c) MontaVista, Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
14 #include <linux/config.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/types.h>
18 #include <linux/errno.h>
19 #include <linux/reboot.h>
20 #include <linux/time.h>
21 #include <linux/irq.h>
22 #include <linux/kdev_t.h>
23 #include <linux/initrd.h>
24 #include <linux/console.h>
25 #include <linux/seq_file.h>
26 #include <linux/root_dev.h>
30 #include <asm/bootinfo.h>
32 #include <syslib/cpc700.h>
36 extern void pal4_find_bridges(void);
38 unsigned int cpc700_irq_assigns[][2] = {
39 {1, 1}, /* IRQ 0: ECC correctable error */
40 {1, 1}, /* IRQ 1: PCI write to memory range */
41 {0, 1}, /* IRQ 2: PCI write to command register */
42 {0, 1}, /* IRQ 3: UART 0 */
43 {0, 1}, /* IRQ 4: UART 1 */
44 {0, 1}, /* IRQ 5: ICC 0 */
45 {0, 1}, /* IRQ 6: ICC 1 */
46 {0, 1}, /* IRQ 7: GPT compare 0 */
47 {0, 1}, /* IRQ 8: GPT compare 1 */
48 {0, 1}, /* IRQ 9: GPT compare 2 */
49 {0, 1}, /* IRQ 10: GPT compare 3 */
50 {0, 1}, /* IRQ 11: GPT compare 4 */
51 {0, 1}, /* IRQ 12: GPT capture 0 */
52 {0, 1}, /* IRQ 13: GPT capture 1 */
53 {0, 1}, /* IRQ 14: GPT capture 2 */
54 {0, 1}, /* IRQ 15: GPT capture 3 */
55 {0, 1}, /* IRQ 16: GPT capture 4 */
56 {0, 0}, /* IRQ 17: reserved */
57 {0, 0}, /* IRQ 18: reserved */
58 {0, 0}, /* IRQ 19: reserved */
59 {0, 0}, /* IRQ 20: reserved */
60 {0, 1}, /* IRQ 21: Ethernet */
61 {0, 0}, /* IRQ 22: reserved */
62 {0, 0}, /* IRQ 23: reserved */
63 {0, 0}, /* IRQ 24: resreved */
64 {0, 0}, /* IRQ 25: reserved */
65 {0, 0}, /* IRQ 26: reserved */
66 {0, 0}, /* IRQ 27: reserved */
67 {0, 0}, /* IRQ 28: reserved */
68 {0, 0}, /* IRQ 29: reserved */
69 {0, 0}, /* IRQ 30: reserved */
70 {0, 0}, /* IRQ 31: reserved */
74 pal4_show_cpuinfo(struct seq_file *m)
76 seq_printf(m, "board\t\t: SBS Palomar IV\n");
82 pal4_restart(char *cmd)
85 __asm__ __volatile__("lis 3,0xfff0\n \
111 pal4_setup_arch(void)
115 TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
116 ioremap(PAL4_NVRAM, PAL4_NVRAM_SIZE), 8);
120 #ifdef CONFIG_BLK_DEV_INITRD
122 ROOT_DEV = Root_RAM0;
127 /* The L2 gets disabled in the bootloader, but all the proper
128 bits should be present from the fw, so just re-enable it */
130 if (!(l2 & L2CR_L2E)) {
131 /* presume that it was initially set if the size is
133 if (l2 ^ L2CR_L2SIZ_MASK)
134 _set_L2CR(l2 | L2CR_L2E);
136 printk("L2 not set by firmware; left disabled.\n");
143 io_block_mapping(0xf0000000, 0xf0000000, 0x10000000, _PAGE_IO);
147 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
148 unsigned long r6, unsigned long r7)
150 parse_bootinfo(find_bootinfo());
152 isa_io_base = 0 /*PAL4_ISA_IO_BASE*/;
153 pci_dram_offset = 0 /*PAL4_PCI_SYS_MEM_BASE*/;
155 ppc_md.setup_arch = pal4_setup_arch;
156 ppc_md.show_cpuinfo = pal4_show_cpuinfo;
158 ppc_md.setup_io_mappings = pal4_map_io;
160 ppc_md.init_IRQ = cpc700_init_IRQ;
161 ppc_md.get_irq = cpc700_get_irq;
163 ppc_md.restart = pal4_restart;
164 ppc_md.halt = pal4_halt;
165 ppc_md.power_off = pal4_power_off;
167 ppc_md.time_init = todc_time_init;
168 ppc_md.set_rtc_time = todc_set_rtc_time;
169 ppc_md.get_rtc_time = todc_get_rtc_time;
170 ppc_md.calibrate_decr = todc_calibrate_decr;
172 ppc_md.nvram_read_val = todc_direct_read_val;
173 ppc_md.nvram_write_val = todc_direct_write_val;