From e9aff9864a52dda50bf78973aa1f648b0c166613 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Fri, 28 Oct 2016 14:12:31 +0100 Subject: [PATCH] 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 Message-id: 1477361273-18888-1-git-send-email-linux@roeck-us.net [PMM: fixed tabs-vs-spaces nit] Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/arm/pxa2xx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c index 42cdde0478..21ea1d6210 100644 --- a/hw/arm/pxa2xx.c +++ b/hw/arm/pxa2xx.c @@ -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);