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Commit 5b913d49 authored by Troy Kisky's avatar Troy Kisky
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mx5: soc: use iim_srev to detect TO3

parent 0971f49e
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......@@ -23,30 +23,28 @@ u32 get_cpu_rev(void)
{
#ifdef CONFIG_MX51
int system_rev = 0x51000;
#else
int system_rev = 0x53000;
#endif
int reg = __raw_readl(ROM_SI_REV);
int reg = readl(&((struct iim_regs *)IIM_BASE_ADDR)->srev);
#if defined(CONFIG_MX51)
switch (reg) {
case 0x02:
system_rev |= CHIP_REV_1_1;
break;
case 0x10:
if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
system_rev |= CHIP_REV_2_5;
else
system_rev |= CHIP_REV_2_0;
break;
case 0x20:
if (reg >= 0x10) {
system_rev |= CHIP_REV_3_0;
break;
default:
system_rev |= CHIP_REV_1_0;
break;
} else {
reg = __raw_readl(ROM_SI_REV);
if (reg >= 0x10) {
/* Why read from UART3_RXD, surely this is board specific ? */
if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
system_rev |= CHIP_REV_2_5;
else
system_rev |= CHIP_REV_2_0;
} else if (reg >= 0x02) {
system_rev |= CHIP_REV_1_1;
} else {
system_rev |= CHIP_REV_1_0;
}
}
#else
int system_rev = 0x53000;
int reg = __raw_readl(ROM_SI_REV);
if (reg < 0x20)
system_rev |= CHIP_REV_1_0;
else
......
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