3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * Only override CONFIG_SYS_BOOTCOUNT_ADDR if not already defined. This
29 * way, some boards can define it directly in their config header.
31 #if !defined(CONFIG_SYS_BOOTCOUNT_ADDR)
33 #if defined(CONFIG_MPC5xxx)
34 #define CONFIG_SYS_BOOTCOUNT_ADDR (MPC5XXX_CDM_BRDCRMB)
35 #define CONFIG_SYS_BOOTCOUNT_SINGLEWORD
36 #endif /* defined(CONFIG_MPC5xxx) */
38 #if defined(CONFIG_MPC512X)
39 #define CONFIG_SYS_BOOTCOUNT_ADDR (&((immap_t *)CONFIG_SYS_IMMR)->clk.bcr)
40 #define CONFIG_SYS_BOOTCOUNT_SINGLEWORD
41 #endif /* defined(CONFIG_MPC512X) */
43 #if defined(CONFIG_8xx)
44 #define CONFIG_SYS_BOOTCOUNT_ADDR (((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + \
46 #endif /* defined(CONFIG_8xx) */
48 #if defined(CONFIG_MPC8260)
49 #include <asm/cpm_8260.h>
51 #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR)
52 #endif /* defined(CONFIG_MPC8260) */
54 #if defined(CONFIG_MPC8360)
55 #include <asm/immap_qe.h>
57 #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \
58 QE_MURAM_SIZE - 2 * sizeof(u32))
59 #endif /* defined(CONFIG_MPC8360) */
61 #if defined(CONFIG_4xx)
62 #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_OCM_DATA_ADDR + \
63 CONFIG_SYS_BOOTCOUNT_ADDR)
64 #endif /* defined(CONFIG_4xx) */
66 #endif /* !defined(CONFIG_SYS_BOOTCOUNT_ADDR) */
68 void bootcount_store(ulong a)
70 void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
72 #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
73 out_be32(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a);
76 out_be32(reg + 4, BOOTCOUNT_MAGIC);
80 ulong bootcount_load(void)
82 void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
84 #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
85 u32 tmp = in_be32(reg);
87 if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
90 return (tmp & 0x0000ffff);
92 if (in_be32(reg + 4) != BOOTCOUNT_MAGIC)