]> git.kernelconcepts.de Git - karo-tx-uboot.git/blob - board/amcc/bubinga/bubinga.c
Merge branch 'u-boot/master' into u-boot-arm/master
[karo-tx-uboot.git] / board / amcc / bubinga / bubinga.c
1 /*
2  * (C) Copyright 2000-2005
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 #include <common.h>
9 #include <asm/processor.h>
10 #include <asm/io.h>
11
12 long int spd_sdram(void);
13
14 int board_early_init_f(void)
15 {
16         mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
17         mtdcr(UIC0ER, 0x00000000);      /* disable all ints */
18         mtdcr(UIC0CR, 0x00000010);
19         mtdcr(UIC0PR, 0xFFFF7FF0);      /* set int polarities */
20         mtdcr(UIC0TR, 0x00000010);      /* set int trigger levels */
21         mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
22
23         /*
24          * Configure CPC0_PCI to enable PerWE as output
25          * and enable the internal PCI arbiter if selected
26          */
27         if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
28                 mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
29         else
30                 mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN);
31
32         return 0;
33 }
34
35 /*
36  * Check Board Identity:
37  */
38 int checkboard(void)
39 {
40         char buf[64];
41         int i = getenv_f("serial#", buf, sizeof(buf));
42
43         puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
44
45         if (i > 0) {
46                 puts(", serial# ");
47                 puts(buf);
48         }
49         putc('\n');
50
51         return (0);
52 }
53
54 /* -------------------------------------------------------------------------
55   initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
56   the necessary info for SDRAM controller configuration
57    ------------------------------------------------------------------------- */
58 phys_size_t initdram(int board_type)
59 {
60         long int ret;
61
62         ret = spd_sdram();
63         return ret;
64 }