3 * Sascha Hauer, Pengutronix
5 * (C) Copyright 2009 Freescale Semiconductor, Inc.
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/errno.h>
29 #include <asm/arch/imx-regs.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/sys_proto.h>
35 int system_rev = 0x61000 | CHIP_REV_1_0;
40 #ifdef CONFIG_ARCH_CPU_INIT
43 struct aipstz_regs *aips1, *aips2;
45 aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
46 aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
49 * Set all MPROTx to be non-bufferable, trusted for R/W,
50 * not forced to user-mode.
52 writel(0x77777777, &aips1->mprot0);
53 writel(0x77777777, &aips1->mprot1);
54 writel(0x77777777, &aips2->mprot0);
55 writel(0x77777777, &aips2->mprot1);
58 * Set all OPACRx to be non-bufferable, not require
59 * supervisor privilege level for access,allow for
60 * write access and untrusted master access.
62 writel(0x00000000, &aips1->opacr0);
63 writel(0x00000000, &aips1->opacr1);
64 writel(0x00000000, &aips1->opacr2);
65 writel(0x00000000, &aips1->opacr3);
66 writel(0x00000000, &aips1->opacr4);
67 writel(0x00000000, &aips2->opacr0);
68 writel(0x00000000, &aips2->opacr1);
69 writel(0x00000000, &aips2->opacr2);
70 writel(0x00000000, &aips2->opacr3);
71 writel(0x00000000, &aips2->opacr4);
74 int arch_cpu_init(void)
82 #if defined(CONFIG_FEC_MXC)
83 void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
85 struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
86 struct fuse_bank *bank = &iim->bank[4];
87 struct fuse_bank4_regs *fuse =
88 (struct fuse_bank4_regs *)bank->fuse_regs;
90 u32 value = readl(&fuse->mac_addr_high);
91 mac[0] = (value >> 8);
94 value = readl(&fuse->mac_addr_low);
95 mac[2] = value >> 24 ;
96 mac[3] = value >> 16 ;