3 * Thomas.Lange@corelatus.se
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <mach/au1x00.h>
11 #include <asm/mipsregs.h>
14 DECLARE_GLOBAL_DATA_PTR;
18 /* Sdram is setup by assembler code */
19 /* If memory could be changed, we should return the true value here */
20 gd->ram_size = MEM_SIZE * 1024 * 1024;
25 #define BCSR_PCMCIA_PC0DRVEN 0x0010
26 #define BCSR_PCMCIA_PC0RST 0x0080
28 /* In arch/mips/cpu/cpu.c */
29 void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 );
33 #ifdef CONFIG_IDE_PCMCIA
35 volatile u32 *pcmcia_bcsr = (u32*)(DB1XX0_BCSR_ADDR+0x10);
36 #endif /* CONFIG_IDE_PCMCIA */
37 volatile u32 *phy = (u32*)(DB1XX0_BCSR_ADDR+0xC);
38 volatile u32 *sys_counter = (volatile u32*)SYS_COUNTER_CNTRL;
41 *sys_counter = 0x100; /* Enable 32 kHz oscillator for RTC/TOY */
43 proc_id = read_c0_prid();
45 switch (proc_id >> 24) {
47 puts ("Board: Merlot (DbAu1000)\n");
48 printf ("CPU: Au1000 396 MHz, id: 0x%02x, rev: 0x%02x\n",
49 (proc_id >> 8) & 0xFF, proc_id & 0xFF);
52 puts ("Board: DbAu1500\n");
53 printf ("CPU: Au1500, id: 0x%02x, rev: 0x%02x\n",
54 (proc_id >> 8) & 0xFF, proc_id & 0xFF);
57 puts ("Board: DbAu1100\n");
58 printf ("CPU: Au1100, id: 0x%02x, rev: 0x%02x\n",
59 (proc_id >> 8) & 0xFF, proc_id & 0xFF);
62 puts ("Board: DbAu1550\n");
63 printf ("CPU: Au1550, id: 0x%02x, rev: 0x%02x\n",
64 (proc_id >> 8) & 0xFF, proc_id & 0xFF);
67 printf ("Unsupported cpu %d, proc_id=0x%x\n", proc_id >> 24, proc_id);
72 #ifdef CONFIG_IDE_PCMCIA
73 /* Enable 3.3 V on slot 0 ( VCC )
76 *pcmcia_bcsr = status;
78 status |= BCSR_PCMCIA_PC0DRVEN;
79 *pcmcia_bcsr = status;
84 status |= BCSR_PCMCIA_PC0RST;
85 *pcmcia_bcsr = status;
90 /* PCMCIA is on a 36 bit physical address.
91 We need to map it into a 32 bit addresses */
94 /* We dont need theese unless we run whole pcmcia package */
95 write_one_tlb(20, /* index */
96 0x01ffe000, /* Pagemask, 16 MB pages */
97 CONFIG_SYS_PCMCIA_IO_BASE, /* Hi */
99 0x3C200017); /* Lo1 */
101 write_one_tlb(21, /* index */
102 0x01ffe000, /* Pagemask, 16 MB pages */
103 CONFIG_SYS_PCMCIA_ATTR_BASE, /* Hi */
104 0x3D000017, /* Lo0 */
105 0x3D200017); /* Lo1 */
107 write_one_tlb(22, /* index */
108 0x01ffe000, /* Pagemask, 16 MB pages */
109 CONFIG_SYS_PCMCIA_MEM_ADDR, /* Hi */
110 0x3E000017, /* Lo0 */
111 0x3E200017); /* Lo1 */
112 #endif /* CONFIG_IDE_PCMCIA */
114 /* Release reset of ethernet PHY chips */
115 /* Always do this, because linux does not know about it */