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/arch/imx-regs.h>
28 #include <asm/arch/clock.h>
29 #include <asm/arch/sys_proto.h>
31 #include <asm/errno.h>
34 #if !(defined(CONFIG_MX51) || defined(CONFIG_MX53))
35 #error "CPU_TYPE not defined"
41 int system_rev = 0x51000;
43 int system_rev = 0x53000;
45 int reg = __raw_readl(ROM_SI_REV);
47 #if defined(CONFIG_MX51)
50 system_rev |= CHIP_REV_1_1;
53 if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
54 system_rev |= CHIP_REV_2_5;
56 system_rev |= CHIP_REV_2_0;
59 system_rev |= CHIP_REV_3_0;
62 system_rev |= CHIP_REV_1_0;
67 system_rev |= CHIP_REV_1_0;
74 #if defined(CONFIG_FEC_MXC)
75 void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
78 struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
79 struct fuse_bank *bank = &iim->bank[1];
80 struct fuse_bank1_regs *fuse =
81 (struct fuse_bank1_regs *)bank->fuse_regs;
83 for (i = 0; i < 6; i++)
84 mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
88 void set_chipselect_size(int const cs_size)
91 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
92 reg = readl(&iomuxc_regs->gpr1);
96 reg &= ~0x7; /* CS0=128MB, CS1=0, CS2=0, CS3=0 */
100 reg &= ~0x3F; /* CS0=64MB, CS1=64MB, CS2=0, CS3=0 */
103 case CS0_64M_CS1_32M_CS2_32M:
104 reg &= ~0x1FF; /* CS0=64MB, CS1=32MB, CS2=32MB, CS3=0 */
107 case CS0_32M_CS1_32M_CS2_32M_CS3_32M:
108 reg &= ~0xFFF; /* CS0=32MB, CS1=32MB, CS2=32MB, CS3=32MB */
112 printf("Unknown chip select size: %d\n", cs_size);
116 writel(reg, &iomuxc_regs->gpr1);