1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <linux/fsl-diu-fb.h>
50 		out_be32(&reset_module_base->rpr, 0x52535445);  in mpc512x_restart()
52 		out_be32(&reset_module_base->rcr, 0x2);  in mpc512x_restart()
61 	u8		gamma[0x300];	/* 32-bit aligned! */
62 	struct diu_ad	ad0;		/* 32-bit aligned! */
77 	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-diu");  in mpc512x_set_pixel_clock()
85 		clk_diu = clk_get_sys(np->name, "ipg");  in mpc512x_set_pixel_clock()
99 	 * determine the acceptable clock range for the monitor (+/- 5%),  in mpc512x_set_pixel_clock()
102 	pr_debug("DIU pixclock in ps - %u\n", pixclock);  in mpc512x_set_pixel_clock()
104 	pr_debug("DIU pixclock freq  - %u\n", pixclock);  in mpc512x_set_pixel_clock()
106 	pr_debug("DIU deviation      - %lu\n", epsilon);  in mpc512x_set_pixel_clock()
107 	minpixclock = pixclock - epsilon;  in mpc512x_set_pixel_clock()
109 	pr_debug("DIU minpixclock    - %lu\n", minpixclock);  in mpc512x_set_pixel_clock()
110 	pr_debug("DIU maxpixclock    - %lu\n", maxpixclock);  in mpc512x_set_pixel_clock()
115 	 * - simply request the desired clock and see what the  in mpc512x_set_pixel_clock()
118 	 * - try other candidate frequencies in the order of decreasing  in mpc512x_set_pixel_clock()
122 	 *   first match is found -- any potential subsequent match  in mpc512x_set_pixel_clock()
127 	 * arbitrary choice -- it's simple to calculate, in the typical  in mpc512x_set_pixel_clock()
137 		want = pixclock - offset;  in mpc512x_set_pixel_clock()
138 		pr_debug("DIU checking clock - %lu\n", want);  in mpc512x_set_pixel_clock()
141 		delta = abs(pixclock - got);  in mpc512x_set_pixel_clock()
147 		pr_debug("DIU checking clock - %lu\n", want);  in mpc512x_set_pixel_clock()
150 		delta = abs(pixclock - got);  in mpc512x_set_pixel_clock()
155 		pr_debug("DIU clock accepted - %lu\n", want);  in mpc512x_set_pixel_clock()
171 	delta = abs(pixclock - got);  in mpc512x_set_pixel_clock()
210  * Check if DIU was pre-initialized. If so, perform steps
214  * address range will be reserved in setup_arch() after bootmem
226 	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-diu");  in mpc512x_init_diu()
239 	mode = in_be32(&diu_reg->diu_mode);  in mpc512x_init_diu()
245 	desc = in_be32(&diu_reg->desc[0]);  in mpc512x_init_diu()
254 	flush_dcache_range(dst, dst + sizeof(struct diu_ad) - 1);  in mpc512x_init_diu()
256 	res = in_be32(&diu_reg->disp_size);  in mpc512x_init_diu()
264 	desc = in_be32(&diu_reg->gamma);  in mpc512x_init_diu()
274 	flush_dcache_range(dst, dst + sizeof(diu_shared_fb.gamma) - 1);  in mpc512x_init_diu()
277 	out_be32(&diu_reg->gamma, virt_to_phys(&diu_shared_fb.gamma));  in mpc512x_init_diu()
278 	out_be32(&diu_reg->desc[1], 0);  in mpc512x_init_diu()
279 	out_be32(&diu_reg->desc[2], 0);  in mpc512x_init_diu()
280 	out_be32(&diu_reg->desc[0], virt_to_phys(&diu_shared_fb.ad0));  in mpc512x_init_diu()
318 	np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-ipic");  in mpc512x_init_IRQ()
336 	{ .compatible = "fsl,mpc5121-immr", },
337 	{ .compatible = "fsl,mpc5121-localbus", },
338 	{ .compatible = "fsl,mpc5121-mbx", },
339 	{ .compatible = "fsl,mpc5121-nfc", },
340 	{ .compatible = "fsl,mpc5121-sram", },
341 	{ .compatible = "fsl,mpc5121-pci", },
342 	{ .compatible = "gpio-leds", },
358 		return "fsl,mpc5121-psc";  in mpc512x_select_psc_compat()
361 		return "fsl,mpc5125-psc";  in mpc512x_select_psc_compat()
369 		return "fsl,mpc5121-reset";  in mpc512x_select_reset_compat()
372 		return "fsl,mpc5125-reset";  in mpc512x_select_reset_compat()
412 		tx_fifo_size = get_fifo_size(np, "fsl,tx-fifo-size");  in mpc512x_psc_fifo_init()
413 		rx_fifo_size = get_fifo_size(np, "fsl,rx-fifo-size");  in mpc512x_psc_fifo_init()
443 		out_be32(&FIFOC(psc)->txsz, (fifobase << 16) | tx_fifo_size);  in mpc512x_psc_fifo_init()
445 		out_be32(&FIFOC(psc)->rxsz, (fifobase << 16) | rx_fifo_size);  in mpc512x_psc_fifo_init()
449 		out_be32(&FIFOC(psc)->txcmd, 0x80);  in mpc512x_psc_fifo_init()
450 		out_be32(&FIFOC(psc)->txcmd, 0x01);  in mpc512x_psc_fifo_init()
451 		out_be32(&FIFOC(psc)->rxcmd, 0x80);  in mpc512x_psc_fifo_init()
452 		out_be32(&FIFOC(psc)->rxcmd, 0x01);  in mpc512x_psc_fifo_init()
479  * mpc512x_cs_config - Setup chip select configuration
493 		return -EINVAL;  in mpc512x_cs_config()
496 		np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-lpc");  in mpc512x_cs_config()
500 			return -ENOMEM;  in mpc512x_cs_config()
503 	out_be32(&lpc->cs_cfg[cs], val);  in mpc512x_cs_config()