Commit e9aff986 authored by Guenter Roeck's avatar Guenter Roeck Committed by Peter Maydell
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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: default avatarGuenter 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: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 2aae15c6

hw/arm/pxa2xx.c

+3 −1
Original line number Diff line number Diff line
@@ -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);