mtd/maps/physmap-versatile.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Versatile OF physmap driver add-on
17 #include "physmap-versatile.h"
30 		.compatible = "arm,integrator-ap-syscon",
34 		.compatible = "arm,integrator-cp-syscon",
38 		.compatible = "arm,core-module-versatile",
42 		.compatible = "arm,realview-eb-syscon",
46 		.compatible = "arm,realview-pb1176-syscon",
50 		.compatible = "arm,realview-pb11mp-syscon",
54 		.compatible = "arm,realview-pba8-syscon",
58 		.compatible = "arm,realview-pbx-syscon",
65  * Flash protection handling for the Integrator/AP
79 	{ .compatible = "arm,external-bus-interface"},
93 		return -ENODEV;  in ap_flash_init()
98 		return -ENODEV;  in ap_flash_init()
105 		dev_err(&pdev->dev, "error clearing Integrator VPP/WP\n");  in ap_flash_init()
110 	/* Enable write cycles on the EBI, CSR1 (flash) */  in ap_flash_init()
142  * Flash protection handling for the Integrator/CP
172  * Flash protection handling for the Versatiles and RealViews
197 	/* Not all flash chips use this protection line */  in of_flash_probe_versatile()
198 	if (!of_device_is_compatible(np, "arm,versatile-flash"))  in of_flash_probe_versatile()
207 			return -ENODEV;  in of_flash_probe_versatile()
209 		versatile_flashprot = (uintptr_t)devid->data;  in of_flash_probe_versatile()
223 		map->set_vpp = ap_flash_set_vpp;  in of_flash_probe_versatile()
224 		dev_info(&pdev->dev, "Integrator/AP flash protection\n");  in of_flash_probe_versatile()
227 		map->set_vpp = cp_flash_set_vpp;  in of_flash_probe_versatile()
228 		dev_info(&pdev->dev, "Integrator/CP flash protection\n");  in of_flash_probe_versatile()
232 		map->set_vpp = versatile_flash_set_vpp;  in of_flash_probe_versatile()
233 		dev_info(&pdev->dev, "versatile/realview flash protection\n");  in of_flash_probe_versatile()
236 		dev_info(&pdev->dev, "device marked as Versatile flash "  in of_flash_probe_versatile()