ARM: OMAP: Sync core code with linux-omap
This patch syncs omap specific core code with linux-omap.
Most of the changes are needed to fix bitrot caused by
driver updates in linux-omap tree.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 91ebdaf..a302d91 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -1,3 +1,26 @@
+/*
+ * File: arch/arm/plat-omap/fb.c
+ *
+ * Framebuffer device registration for TI OMAP platforms
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -34,25 +57,42 @@
void omapfb_reserve_mem(void)
{
const struct omap_fbmem_config *fbmem_conf;
+ unsigned long total_size;
+ int i;
- omapfb_config.fbmem.fb_sram_start = omap_fb_sram_start;
- omapfb_config.fbmem.fb_sram_size = omap_fb_sram_size;
-
- fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config);
-
- if (fbmem_conf != NULL) {
- /* indicate that the bootloader already initialized the
- * fb device, so we'll skip that part in the fb driver
- */
- omapfb_config.fbmem.fb_sdram_start = fbmem_conf->fb_sdram_start;
- omapfb_config.fbmem.fb_sdram_size = fbmem_conf->fb_sdram_size;
- if (fbmem_conf->fb_sdram_size) {
- pr_info("Reserving %u bytes SDRAM for frame buffer\n",
- fbmem_conf->fb_sdram_size);
- reserve_bootmem(fbmem_conf->fb_sdram_start,
- fbmem_conf->fb_sdram_size);
- }
+ if (!omap_fb_sram_valid) {
+ /* FBMEM SRAM configuration was already found to be invalid.
+ * Ignore the whole configuration block. */
+ omapfb_config.mem_desc.region_cnt = 0;
+ return;
}
+
+ i = 0;
+ total_size = 0;
+ while ((fbmem_conf = omap_get_nr_config(OMAP_TAG_FBMEM,
+ struct omap_fbmem_config, i)) != NULL) {
+ unsigned long start;
+ unsigned long size;
+
+ if (i == OMAPFB_PLANE_NUM) {
+ printk(KERN_ERR "ignoring extra plane info\n");
+ break;
+ }
+ start = fbmem_conf->start;
+ size = fbmem_conf->size;
+ omapfb_config.mem_desc.region[i].paddr = start;
+ omapfb_config.mem_desc.region[i].size = size;
+ if (omap_fb_sram_plane != i && start) {
+ reserve_bootmem(start, size);
+ total_size += size;
+ }
+ i++;
+ }
+ omapfb_config.mem_desc.region_cnt = i;
+ if (total_size)
+ pr_info("Reserving %lu bytes SDRAM for frame buffer\n",
+ total_size);
+
}
void omapfb_set_ctrl_platform_data(void *data)