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hw/arm/pxa2xx: Set value default values for CCCR and CKEN on PXA255 

The code used default values for PXA270 to configure CCCR. For PXA255,
the resulting register value is invalid (unsupported) and resulted
in a division by zero in the Linux kernel. Use default values from
datasheet instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 1477361273-18888-1-git-send-email-linux@roeck-us.net
[PMM: fixed tabs-vs-spaces nit]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Guenter Roeck 2016-10-28 14:12:31 +01:00 committed by Peter Maydell
parent 2aae15c679
commit e9aff9864a
1 changed files with 3 additions and 1 deletions
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4
hw/arm/pxa2xx.c
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@ -2267,7 +2267,9 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
s->cm_base = 0x41300000;
s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
s->clkcfg = 0x00000009; /* Turbo mode active */
memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);