Commit | Line | Data |
---|---|---|
198016e1 SH |
1 | |
2 | #include <linux/module.h> | |
bb07d751 | 3 | #include <linux/io.h> |
50f2de61 SG |
4 | |
5 | #include "hardware.h" | |
198016e1 SH |
6 | |
7 | unsigned int __mxc_cpu_type; | |
8 | EXPORT_SYMBOL(__mxc_cpu_type); | |
9 | ||
10 | void mxc_set_cpu_type(unsigned int type) | |
11 | { | |
12 | __mxc_cpu_type = type; | |
13 | } | |
14 | ||
059e58f6 FE |
15 | void imx_print_silicon_rev(const char *cpu, int srev) |
16 | { | |
17 | if (srev == IMX_CHIP_REVISION_UNKNOWN) | |
18 | pr_info("CPU identified as %s, unknown revision\n", cpu); | |
19 | else | |
20 | pr_info("CPU identified as %s, silicon rev %d.%d\n", | |
21 | cpu, (srev >> 4) & 0xf, srev & 0xf); | |
22 | } | |
bb07d751 FE |
23 | |
24 | void __init imx_set_aips(void __iomem *base) | |
25 | { | |
26 | unsigned int reg; | |
27 | /* | |
28 | * Set all MPROTx to be non-bufferable, trusted for R/W, | |
29 | * not forced to user-mode. | |
30 | */ | |
31 | __raw_writel(0x77777777, base + 0x0); | |
32 | __raw_writel(0x77777777, base + 0x4); | |
33 | ||
34 | /* | |
35 | * Set all OPACRx to be non-bufferable, to not require | |
36 | * supervisor privilege level for access, allow for | |
37 | * write access and untrusted master access. | |
38 | */ | |
39 | __raw_writel(0x0, base + 0x40); | |
40 | __raw_writel(0x0, base + 0x44); | |
41 | __raw_writel(0x0, base + 0x48); | |
42 | __raw_writel(0x0, base + 0x4C); | |
43 | reg = __raw_readl(base + 0x50) & 0x00FFFFFF; | |
44 | __raw_writel(reg, base + 0x50); | |
45 | } |