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>
33 #ifdef CONFIG_FSL_ESDHC
34 #include <fsl_esdhc.h>
37 static char *get_reset_cause(void)
40 struct src *src_regs = (struct src *)SRC_BASE_ADDR;
42 cause = readl(&src_regs->srsr);
43 writel(cause, &src_regs->srsr);
62 return "unknown reset";
66 #if defined(CONFIG_DISPLAY_CPUINFO)
68 static char *get_imx_type(u32 imxtype)
72 return "6Q"; /* Quad-core version of the mx6 */
74 return "6DS"; /* Dual/Solo version of the mx6 */
76 return "6SL"; /* Solo-Lite version of the mx6 */
86 int print_cpuinfo(void)
90 cpurev = get_cpu_rev();
92 printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
93 get_imx_type((cpurev & 0xFF000) >> 12),
94 (cpurev & 0x000F0) >> 4,
95 (cpurev & 0x0000F) >> 0,
96 mxc_get_clock(MXC_ARM_CLK) / 1000000);
97 printf("Reset cause: %s\n", get_reset_cause());
102 int cpu_eth_init(bd_t *bis)
106 #if defined(CONFIG_FEC_MXC)
107 rc = fecmxc_initialize(bis);
114 * Initializes on-chip MMC controllers.
115 * to override, implement board_mmc_init()
117 int cpu_mmc_init(bd_t *bis)
119 #ifdef CONFIG_FSL_ESDHC
120 return fsl_esdhc_mmc_init(bis);
126 void reset_cpu(ulong addr)
128 __raw_writew(4, WDOG1_BASE_ADDR);