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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2017 Toradex AG
- *
- * FSL DCU platform driver
- */
- #include <asm/arch/crm_regs.h>
- #include <asm/io.h>
- #include <common.h>
- #include <fsl_dcu_fb.h>
- #include "div64.h"
- unsigned int dcu_set_pixel_clock(unsigned int pixclock)
- {
- struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
- unsigned long long div;
- clrbits_le32(&ccm->cscmr1, CCM_CSCMR1_DCU0_CLK_SEL);
- clrsetbits_le32(&ccm->cscdr3,
- CCM_CSCDR3_DCU0_DIV_MASK | CCM_CSCDR3_DCU0_EN,
- CCM_CSCDR3_DCU0_DIV(0) | CCM_CSCDR3_DCU0_EN);
- div = (unsigned long long)(PLL1_PFD2_FREQ / 1000);
- do_div(div, pixclock);
- return div;
- }
- int platform_dcu_init(struct fb_info *fbinfo,
- unsigned int xres,
- unsigned int yres,
- const char *port,
- struct fb_videomode *dcu_fb_videomode)
- {
- fsl_dcu_init(fbinfo, xres, yres, 32);
- return 0;
- }
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