setup.c (ebf8889bd1fe3615991ff4494635d237280652a2) setup.c (8ff374b9c296b96484d5e63b45b22d0862ffee8f)
1/*
2 * Copyright (C) 2000,2001,2002,2003,2004 Broadcom Corporation
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *

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17 */
18#include <linux/init.h>
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/reboot.h>
22#include <linux/string.h>
23
24#include <asm/bootinfo.h>
1/*
2 * Copyright (C) 2000,2001,2002,2003,2004 Broadcom Corporation
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *

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17 */
18#include <linux/init.h>
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/reboot.h>
22#include <linux/string.h>
23
24#include <asm/bootinfo.h>
25#include <asm/cpu.h>
25#include <asm/mipsregs.h>
26#include <asm/io.h>
27#include <asm/sibyte/sb1250.h>
28
29#include <asm/sibyte/bcm1480_regs.h>
30#include <asm/sibyte/bcm1480_scd.h>
31#include <asm/sibyte/sb1250_scd.h>
32

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114 return ret;
115}
116
117void __init bcm1480_setup(void)
118{
119 uint64_t sys_rev;
120 int plldiv;
121
26#include <asm/mipsregs.h>
27#include <asm/io.h>
28#include <asm/sibyte/sb1250.h>
29
30#include <asm/sibyte/bcm1480_regs.h>
31#include <asm/sibyte/bcm1480_scd.h>
32#include <asm/sibyte/sb1250_scd.h>
33

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115 return ret;
116}
117
118void __init bcm1480_setup(void)
119{
120 uint64_t sys_rev;
121 int plldiv;
122
122 sb1_pass = read_c0_prid() & 0xff;
123 sb1_pass = read_c0_prid() & PRID_REV_MASK;
123 sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
124 soc_type = SYS_SOC_TYPE(sys_rev);
125 part_type = G_SYS_PART(sys_rev);
126 soc_pass = G_SYS_REVISION(sys_rev);
127
128 if (sys_rev_decode()) {
129 printk("Restart after failure to identify SiByte chip\n");
130 machine_restart(NULL);
131 }
132
133 plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
134 zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
135
136 printk("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n",
137 soc_str, pass_str, zbbus_mhz * 2, sb1_pass);
138 printk("Board type: %s\n", get_system_type());
139}
124 sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
125 soc_type = SYS_SOC_TYPE(sys_rev);
126 part_type = G_SYS_PART(sys_rev);
127 soc_pass = G_SYS_REVISION(sys_rev);
128
129 if (sys_rev_decode()) {
130 printk("Restart after failure to identify SiByte chip\n");
131 machine_restart(NULL);
132 }
133
134 plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
135 zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
136
137 printk("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n",
138 soc_str, pass_str, zbbus_mhz * 2, sb1_pass);
139 printk("Board type: %s\n", get_system_type());
140}