2  * Copyright 2010-2011 Freescale Semiconductor, Inc.
7  * SPDX-License-Identifier:	GPL-2.0+
38  * Note that we need to byte-swap the value before it's written to the AD
79 	temp = in_be32(&gur->clkdvdr) & 0x2000FFFF;  in diu_set_pixel_clock()
80 	out_be32(&gur->clkdvdr, temp);			/* turn off clock */  in diu_set_pixel_clock()
81 	out_be32(&gur->clkdvdr, temp | 0x80000000 | ((pixval & 0x1F) << 16));  in diu_set_pixel_clock()
133 	 * We know that the upper bits are 0 for 32-bit addressing, or 0xF for  in platform_diu_init()
134 	 * 36-bit addressing.  in platform_diu_init()
154 	temp = in_8(&pixis->brdcfg1);  in platform_diu_init()
164 		name = "Single-Link LVDS";  in platform_diu_init()
173 	out_8(&pixis->brdcfg1, temp);  in platform_diu_init()
180 	setbits_8(&pixis->csr, PX_CTL_ALTACC);  in platform_diu_init()
192 	clrsetbits_be32(&gur->pmuxcr, PMUXCR_ELBCDIU_MASK, PMUXCR_ELBCDIU_DIU);  in platform_diu_init()
193 	pmuxcr = in_be32(&gur->pmuxcr);  in platform_diu_init()
199  * set_mux_to_lbc - disable the DIU so that we can read/write to elbc
204  * weak accessor feature of the CFI flash code to temporarily switch the pin
218 	if ((in_be32(&gur->pmuxcr) & PMUXCR_ELBCDIU_MASK) !=  in set_mux_to_lbc()
234 		out_be32(&gur->pmuxcr, (pmuxcr & ~PMUXCR_ELBCDIU_MASK) |  in set_mux_to_lbc()
236 		in_be32(&gur->pmuxcr);  in set_mux_to_lbc()
251  * set_mux_to_diu - re-enable the DIU muxing
266 	setbits_8(&pixis->csr, PX_CTL_ALTACC);  in set_mux_to_diu()
274 	out_be32(&gur->pmuxcr, pmuxcr);  in set_mux_to_diu()
275 	in_be32(&gur->pmuxcr);  in set_mux_to_diu()
279  * pixis_read - board-specific function to read from the PIXIS
289 	if ((in_be32(&gur->pmuxcr) & PMUXCR_ELBCDIU_MASK) !=  in pixis_read()
301  * pixis_write - board-specific function to write to the PIXIS
311 	if ((in_be32(&gur->pmuxcr) & PMUXCR_ELBCDIU_MASK) !=  in pixis_write()
315 		/* Do a read-back to ensure the write completed */  in pixis_write()
332 	out_8(&pixis->vctl, 0);  in pixis_bank_reset()
333 	out_8(&pixis->vctl, 1);  in pixis_bank_reset()
347 		 * To ensure the post-write is completed to eLBC, software must  in flash_write8()
351 		 * __raw_readb() completes before it switches the mux.  in flash_write8()
365 		 * To ensure the post-write is completed to eLBC, software must  in flash_write16()
369 		 * __raw_readb() completes before it switches the mux.  in flash_write16()
383 		 * To ensure the post-write is completed to eLBC, software must  in flash_write32()
387 		 * __raw_readb() completes before it switches the mux.  in flash_write32()
411 		 * To ensure the post-write is completed to eLBC, software must  in flash_write64()
417 		 * switches the mux.  in flash_write64()