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authorTom Rini <trini@ti.com>2012-12-03 06:47:05 -0700
committerTom Rini <trini@ti.com>2012-12-03 06:47:05 -0700
commitce12a8c1a94a2b3d585feff387497f724b98e3ce (patch)
tree6e5db764e27df2465f5e4d9487c7561d14050064 /drivers
parentb04eb342af72d5dbcc29ccd7f3f9475044113361 (diff)
parent339c5111065c2b1893af1e4d6e9431b9496879a4 (diff)
downloadu-boot-linaro-stable-ce12a8c1a94a2b3d585feff387497f724b98e3ce.tar.gz
Merge branch 'master' of git://git.denx.de/u-boot-x86
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/cbmem_console.c67
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/coreboot_fb.c101
4 files changed, 170 insertions, 0 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 1f035e6d1..8cdc3b649 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -27,6 +27,7 @@ LIB := $(obj)libmisc.o
COBJS-$(CONFIG_ALI152X) += ali512x.o
COBJS-$(CONFIG_DS4510) += ds4510.o
+COBJS-$(CONFIG_CBMEM_CONSOLE) += cbmem_console.o
COBJS-$(CONFIG_GPIO_LED) += gpio_led.o
COBJS-$(CONFIG_FSL_MC9SDZ60) += mc9sdz60.o
COBJS-$(CONFIG_NS87308) += ns87308.o
diff --git a/drivers/misc/cbmem_console.c b/drivers/misc/cbmem_console.c
new file mode 100644
index 000000000..80a84fdf8
--- /dev/null
+++ b/drivers/misc/cbmem_console.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <common.h>
+
+#ifndef CONFIG_SYS_COREBOOT
+#error This driver requires coreboot
+#endif
+
+#include <asm/arch/sysinfo.h>
+
+struct cbmem_console {
+ u32 buffer_size;
+ u32 buffer_cursor;
+ u8 buffer_body[0];
+} __attribute__ ((__packed__));
+
+static struct cbmem_console *cbmem_console_p;
+
+void cbmemc_putc(char data)
+{
+ int cursor;
+
+ cursor = cbmem_console_p->buffer_cursor++;
+ if (cursor < cbmem_console_p->buffer_size)
+ cbmem_console_p->buffer_body[cursor] = data;
+}
+
+void cbmemc_puts(const char *str)
+{
+ char c;
+
+ while ((c = *str++) != 0)
+ cbmemc_putc(c);
+}
+
+int cbmemc_init(void)
+{
+ int rc;
+ struct stdio_dev cons_dev;
+ cbmem_console_p = lib_sysinfo.cbmem_cons;
+
+ memset(&cons_dev, 0, sizeof(cons_dev));
+
+ strcpy(cons_dev.name, "cbmem");
+ cons_dev.flags = DEV_FLAGS_OUTPUT; /* Output only */
+ cons_dev.putc = cbmemc_putc;
+ cons_dev.puts = cbmemc_puts;
+
+ rc = stdio_register(&cons_dev);
+
+ return (rc == 0) ? 1 : rc;
+}
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index ebb6da823..cc3022a2c 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -39,6 +39,7 @@ COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o
COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
COBJS-$(CONFIG_SED156X) += sed156x.o
COBJS-$(CONFIG_VIDEO_AMBA) += amba.o
+COBJS-$(CONFIG_VIDEO_COREBOOT) += coreboot_fb.o
COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
COBJS-$(CONFIG_VIDEO_DA8XX) += da8xx-fb.o videomodes.o
COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o videomodes.o
diff --git a/drivers/video/coreboot_fb.c b/drivers/video/coreboot_fb.c
new file mode 100644
index 000000000..d93bd894a
--- /dev/null
+++ b/drivers/video/coreboot_fb.c
@@ -0,0 +1,101 @@
+/*
+ * coreboot Framebuffer driver.
+ *
+ * Copyright (C) 2011 The Chromium OS authors
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 <common.h>
+#include <asm/arch/tables.h>
+#include <asm/arch/sysinfo.h>
+#include <video_fb.h>
+#include "videomodes.h"
+
+/*
+ * The Graphic Device
+ */
+GraphicDevice ctfb;
+
+static int parse_coreboot_table_fb(GraphicDevice *gdev)
+{
+ struct cb_framebuffer *fb = lib_sysinfo.framebuffer;
+
+ /* If there is no framebuffer structure, bail out and keep
+ * running on the serial console.
+ */
+ if (!fb)
+ return 0;
+
+ gdev->winSizeX = fb->x_resolution;
+ gdev->winSizeY = fb->y_resolution;
+
+ gdev->plnSizeX = fb->x_resolution;
+ gdev->plnSizeY = fb->y_resolution;
+
+ gdev->gdfBytesPP = fb->bits_per_pixel / 8;
+
+ switch (fb->bits_per_pixel) {
+ case 24:
+ gdev->gdfIndex = GDF_32BIT_X888RGB;
+ break;
+ case 16:
+ gdev->gdfIndex = GDF_16BIT_565RGB;
+ break;
+ default:
+ gdev->gdfIndex = GDF__8BIT_INDEX;
+ break;
+ }
+
+ gdev->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS;
+ gdev->pciBase = (unsigned int)fb->physical_address;
+
+ gdev->frameAdrs = (unsigned int)fb->physical_address;
+ gdev->memSize = fb->bytes_per_line * fb->y_resolution;
+
+ gdev->vprBase = (unsigned int)fb->physical_address;
+ gdev->cprBase = (unsigned int)fb->physical_address;
+
+ return 1;
+}
+
+void *video_hw_init(void)
+{
+ GraphicDevice *gdev = &ctfb;
+ int bits_per_pixel;
+
+ printf("Video: ");
+
+ if (!parse_coreboot_table_fb(gdev)) {
+ printf("No video mode configured in coreboot!\n");
+ return NULL;
+ }
+
+ bits_per_pixel = gdev->gdfBytesPP * 8;
+
+ /* fill in Graphic device struct */
+ sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
+ bits_per_pixel);
+ printf("%s\n", gdev->modeIdent);
+
+ memset((void *)gdev->pciBase, 0,
+ gdev->winSizeX * gdev->winSizeY * gdev->gdfBytesPP);
+
+ return (void *)gdev;
+}