summaryrefslogtreecommitdiff
path: root/board/kosagi/novena/video.c
diff options
context:
space:
mode:
authorMarek Vasut <marex@denx.de>2014-12-16 14:09:22 +0100
committerStefano Babic <sbabic@denx.de>2014-12-30 14:06:43 +0100
commitf2e4d6a58cafb219b1850c3db1238887109cd94d (patch)
tree3ec3adc15219006b70e5f69af9025f62d78d2a2c /board/kosagi/novena/video.c
parentd59d7b915eb7c891c06e71e7b2a4967c3a488e94 (diff)
arm: mx6: novena: Pull video handling into separate file
Pull all of the video handling into a separate file, since a lot more code will be added and such code would polute the board file. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Nikita Kiryanov <nikita@compulab.co.il> Cc: Sean Cross <xobs@kosagi.com> Cc: Simon Glass <sjg@chromium.org> Cc: Stefano Babic <sbabic@denx.de> Cc: Tim Harvey <tharvey@gateworks.com>
Diffstat (limited to 'board/kosagi/novena/video.c')
-rw-r--r--board/kosagi/novena/video.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/board/kosagi/novena/video.c b/board/kosagi/novena/video.c
new file mode 100644
index 0000000000..fdcd100e43
--- /dev/null
+++ b/board/kosagi/novena/video.c
@@ -0,0 +1,102 @@
+/*
+ * Novena video output support
+ *
+ * Copyright (C) 2014 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/video.h>
+#include <i2c.h>
+#include <input.h>
+#include <ipu_pixfmt.h>
+#include <linux/fb.h>
+#include <linux/input.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+
+#include "novena.h"
+
+static void enable_hdmi(struct display_info_t const *dev)
+{
+ imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {
+ {
+ /* HDMI Output */
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15384,
+ .left_margin = 220,
+ .right_margin = 40,
+ .upper_margin = 21,
+ .lower_margin = 7,
+ .hsync_len = 60,
+ .vsync_len = 10,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ },
+};
+
+size_t display_count = ARRAY_SIZE(displays);
+
+void setup_display_clock(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ /* Turn on LDB0,IPU,IPU DI0 clocks */
+ setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
+
+ /* set LDB0, LDB1 clk select to 011/011 */
+ clrsetbits_le32(&mxc_ccm->cs2cdr,
+ MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
+ MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
+ (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
+ (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));
+
+ setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
+
+ setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
+ MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+
+ writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
+ IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
+ IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
+ IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
+ IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
+ IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
+ IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
+ IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
+ IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
+ &iomux->gpr[2]);
+
+ clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
+ IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
+ IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
+}