projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 198016e1 SH |
1 | |
| 2 | #include <linux/module.h> | |
| bb07d751 | 3 | #include <linux/io.h> |
| 50f2de61 SG |
4 | |
| 5 | #include "hardware.h" | |
| e7feaaa7 | 6 | #include "common.h" |
| 198016e1 SH |
7 | |
| 8 | unsigned int __mxc_cpu_type; | |
| 9 | EXPORT_SYMBOL(__mxc_cpu_type); | |
| 10 | ||
| 11 | void mxc_set_cpu_type(unsigned int type) | |
| 12 | { | |
| 13 | __mxc_cpu_type = type; | |
| 14 | } | |
| 15 | ||
| 059e58f6 FE |
16 | void imx_print_silicon_rev(const char *cpu, int srev) |
| 17 | { | |
| 18 | if (srev == IMX_CHIP_REVISION_UNKNOWN) | |
| 19 | pr_info("CPU identified as %s, unknown revision\n", cpu); | |
| 20 | else | |
| 21 | pr_info("CPU identified as %s, silicon rev %d.%d\n", | |
| 22 | cpu, (srev >> 4) & 0xf, srev & 0xf); | |
| 23 | } | |
| bb07d751 FE |
24 | |
| 25 | void __init imx_set_aips(void __iomem *base) | |
| 26 | { | |
| 27 | unsigned int reg; | |
| 28 | /* | |
| 29 | * Set all MPROTx to be non-bufferable, trusted for R/W, | |
| 30 | * not forced to user-mode. | |
| 31 | */ | |
| 32 | __raw_writel(0x77777777, base + 0x0); | |
| 33 | __raw_writel(0x77777777, base + 0x4); | |
| 34 | ||
| 35 | /* | |
| 36 | * Set all OPACRx to be non-bufferable, to not require | |
| 37 | * supervisor privilege level for access, allow for | |
| 38 | * write access and untrusted master access. | |
| 39 | */ | |
| 40 | __raw_writel(0x0, base + 0x40); | |
| 41 | __raw_writel(0x0, base + 0x44); | |
| 42 | __raw_writel(0x0, base + 0x48); | |
| 43 | __raw_writel(0x0, base + 0x4C); | |
| 44 | reg = __raw_readl(base + 0x50) & 0x00FFFFFF; | |
| 45 | __raw_writel(reg, base + 0x50); | |
| 46 | } |