setup.c (05668381140309088443bf5dc53add4104610fbb) setup.c (36a885306fdf7bb557c773309c993bfb2d0d693c)
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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64 else if (part_type == K_SYS_PART_BCM1255)
65 soc_str = "BCM1255";
66 else
67 soc_str = "BCM1x55";
68 ret = setup_bcm1x80_bcm1x55();
69 break;
70
71 default:
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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64 else if (part_type == K_SYS_PART_BCM1255)
65 soc_str = "BCM1255";
66 else
67 soc_str = "BCM1x55";
68 ret = setup_bcm1x80_bcm1x55();
69 break;
70
71 default:
72 prom_printf("Unknown part type %x\n", part_type);
72 printk("Unknown part type %x\n", part_type);
73 ret = 1;
74 break;
75 }
76 return ret;
77}
78
79static inline int setup_bcm1x80_bcm1x55(void)
80{

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97 periph_rev = 1;
98 pass_str = "A3 (pass1)";
99 break;
100 case K_SYS_REVISION_BCM1480_B0:
101 periph_rev = 1;
102 pass_str = "B0 (pass2)";
103 break;
104 default:
73 ret = 1;
74 break;
75 }
76 return ret;
77}
78
79static inline int setup_bcm1x80_bcm1x55(void)
80{

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97 periph_rev = 1;
98 pass_str = "A3 (pass1)";
99 break;
100 case K_SYS_REVISION_BCM1480_B0:
101 periph_rev = 1;
102 pass_str = "B0 (pass2)";
103 break;
104 default:
105 prom_printf("Unknown %s rev %x\n", soc_str, soc_pass);
105 printk("Unknown %s rev %x\n", soc_str, soc_pass);
106 periph_rev = 1;
107 pass_str = "Unknown Revision";
108 break;
109 }
110 return ret;
111}
112
113void bcm1480_setup(void)
114{
115 uint64_t sys_rev;
116 int plldiv;
117
118 sb1_pass = read_c0_prid() & 0xff;
119 sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
120 soc_type = SYS_SOC_TYPE(sys_rev);
121 part_type = G_SYS_PART(sys_rev);
122 soc_pass = G_SYS_REVISION(sys_rev);
123
124 if (sys_rev_decode()) {
106 periph_rev = 1;
107 pass_str = "Unknown Revision";
108 break;
109 }
110 return ret;
111}
112
113void bcm1480_setup(void)
114{
115 uint64_t sys_rev;
116 int plldiv;
117
118 sb1_pass = read_c0_prid() & 0xff;
119 sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
120 soc_type = SYS_SOC_TYPE(sys_rev);
121 part_type = G_SYS_PART(sys_rev);
122 soc_pass = G_SYS_REVISION(sys_rev);
123
124 if (sys_rev_decode()) {
125 prom_printf("Restart after failure to identify SiByte chip\n");
125 printk("Restart after failure to identify SiByte chip\n");
126 machine_restart(NULL);
127 }
128
129 plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
130 zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
131
126 machine_restart(NULL);
127 }
128
129 plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
130 zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
131
132 prom_printf("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n",
132 printk("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n",
133 soc_str, pass_str, zbbus_mhz * 2, sb1_pass);
133 soc_str, pass_str, zbbus_mhz * 2, sb1_pass);
134 prom_printf("Board type: %s\n", get_system_type());
134 printk("Board type: %s\n", get_system_type());
135}
135}