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-rw-r--r--src/mainboard/google/veyron_jerry/devicetree.cb33
-rw-r--r--src/mainboard/google/veyron_jerry/mainboard.c12
-rw-r--r--src/mainboard/google/veyron_pinky/devicetree.cb33
-rw-r--r--src/mainboard/google/veyron_pinky/mainboard.c20
-rw-r--r--src/soc/rockchip/rk3288/Makefile.inc3
-rw-r--r--src/soc/rockchip/rk3288/chip.h30
-rw-r--r--src/soc/rockchip/rk3288/clock.c156
-rw-r--r--src/soc/rockchip/rk3288/display.c89
-rw-r--r--src/soc/rockchip/rk3288/edp.c1014
-rw-r--r--src/soc/rockchip/rk3288/include/soc/addressmap.h4
-rw-r--r--src/soc/rockchip/rk3288/include/soc/clock.h5
-rw-r--r--src/soc/rockchip/rk3288/include/soc/display.h30
-rw-r--r--src/soc/rockchip/rk3288/include/soc/edp.h666
-rw-r--r--src/soc/rockchip/rk3288/include/soc/soc.h2
-rw-r--r--src/soc/rockchip/rk3288/include/soc/vop.h356
-rw-r--r--src/soc/rockchip/rk3288/soc.c17
-rw-r--r--src/soc/rockchip/rk3288/vop.c144
17 files changed, 2516 insertions, 98 deletions
diff --git a/src/mainboard/google/veyron_jerry/devicetree.cb b/src/mainboard/google/veyron_jerry/devicetree.cb
index 0acbae9e18..be0e58c86d 100644
--- a/src/mainboard/google/veyron_jerry/devicetree.cb
+++ b/src/mainboard/google/veyron_jerry/devicetree.cb
@@ -20,30 +20,11 @@
# TODO fill with Versatile Express board data in QEMU.
chip soc/rockchip/rk3288
device cpu_cluster 0 on end
- #SCREEN_RGB
- register "screen_type" = "2"
- #LVDS_8BIT_2
- register "lvds_format" = "1"
- #OUT_D888_P666
- register "out_face" = "33"
- register "clock_frequency" = "71000000"
- register "hactive" = "1280"
- register "vactive" = "800"
- register "hback_porch" = "100"
- register "hfront_porch" = "18"
- register "vback_porch" = "8"
- register "vfront_porch" = "6"
- register "hsync_len" = "10"
- register "vsync_len" = "2"
- register "hsync_active" = "0"
- register "vsync_active" = "0"
- register "de_active" = "0"
- register "pixelclk_active" = "0"
- register "swap_rb" = "0"
- register "swap_rg" = "0"
- register "swap_gb" = "0"
- #LCD_EN_GPIO:GPIO7_A3
- register "lcd_en_gpio" = "0xff7e0004"
- #LCD_CS_GPIO:GPIO7_A4
- register "lcd_cs_gpio" = "0xff7e0005"
+ register "vop_id" = "1"
+ register "framebuffer_bits_per_pixel" = "16"
+ register "lcd_bl_pwm_gpio" = "GPIO(7, A, 0)"
+ register "lcd_bl_en_gpio" = "GPIO(7, A, 2)"
+ register "lcd_power_on_udelay" = "200000"
+ register "bl_power_on_udelay" = "1000"
+ register "bl_pwm_to_enable_udelay" = "1000"
end
diff --git a/src/mainboard/google/veyron_jerry/mainboard.c b/src/mainboard/google/veyron_jerry/mainboard.c
index c15c765cf4..1c7dc7f5ad 100644
--- a/src/mainboard/google/veyron_jerry/mainboard.c
+++ b/src/mainboard/google/veyron_jerry/mainboard.c
@@ -82,16 +82,16 @@ static void configure_codec(void)
rkclk_configure_i2s(12288000);
}
-static void configure_lcd(void)
+static void configure_vop(void)
{
writel(IOMUX_LCDC, &rk3288_grf->iomux_lcdc);
+ /* lcdc(vop) iodomain select 1.8V */
+ writel(RK_SETBITS(1 << 0), &rk3288_grf->io_vsel);
+
rk808_configure_switch(PMIC_BUS, 2, 1); /* VCC18_LCD */
- rk808_configure_ldo(PMIC_BUS, 7, 2500); /* VCC10_LCD_PWREN_H */
+ rk808_configure_ldo(PMIC_BUS, 7, 2500); /* VCC10_LCD_PWREN_H */
rk808_configure_switch(PMIC_BUS, 1, 1); /* VCC33_LCD */
-
- gpio_output(GPIO(7, A, 0), 0); /* LCDC_BL */
- gpio_output(GPIO(7, A, 2), 1); /* BL_EN */
}
static void mainboard_init(device_t dev)
@@ -106,7 +106,7 @@ static void mainboard_init(device_t dev)
configure_sdmmc();
configure_emmc();
configure_codec();
- configure_lcd();
+ configure_vop();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_pinky/devicetree.cb b/src/mainboard/google/veyron_pinky/devicetree.cb
index 0acbae9e18..be0e58c86d 100644
--- a/src/mainboard/google/veyron_pinky/devicetree.cb
+++ b/src/mainboard/google/veyron_pinky/devicetree.cb
@@ -20,30 +20,11 @@
# TODO fill with Versatile Express board data in QEMU.
chip soc/rockchip/rk3288
device cpu_cluster 0 on end
- #SCREEN_RGB
- register "screen_type" = "2"
- #LVDS_8BIT_2
- register "lvds_format" = "1"
- #OUT_D888_P666
- register "out_face" = "33"
- register "clock_frequency" = "71000000"
- register "hactive" = "1280"
- register "vactive" = "800"
- register "hback_porch" = "100"
- register "hfront_porch" = "18"
- register "vback_porch" = "8"
- register "vfront_porch" = "6"
- register "hsync_len" = "10"
- register "vsync_len" = "2"
- register "hsync_active" = "0"
- register "vsync_active" = "0"
- register "de_active" = "0"
- register "pixelclk_active" = "0"
- register "swap_rb" = "0"
- register "swap_rg" = "0"
- register "swap_gb" = "0"
- #LCD_EN_GPIO:GPIO7_A3
- register "lcd_en_gpio" = "0xff7e0004"
- #LCD_CS_GPIO:GPIO7_A4
- register "lcd_cs_gpio" = "0xff7e0005"
+ register "vop_id" = "1"
+ register "framebuffer_bits_per_pixel" = "16"
+ register "lcd_bl_pwm_gpio" = "GPIO(7, A, 0)"
+ register "lcd_bl_en_gpio" = "GPIO(7, A, 2)"
+ register "lcd_power_on_udelay" = "200000"
+ register "bl_power_on_udelay" = "1000"
+ register "bl_pwm_to_enable_udelay" = "1000"
end
diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c
index 2a887497b0..4bf1e088b6 100644
--- a/src/mainboard/google/veyron_pinky/mainboard.c
+++ b/src/mainboard/google/veyron_pinky/mainboard.c
@@ -120,25 +120,25 @@ static void configure_codec(void)
rkclk_configure_i2s(12288000);
}
-static void configure_lcd(void)
+static void configure_vop(void)
{
writel(IOMUX_LCDC, &rk3288_grf->iomux_lcdc);
+ /* lcdc(vop) iodomain select 1.8V */
+ writel(RK_SETBITS(1 << 0), &rk3288_grf->io_vsel);
+
switch (board_id()) {
case 0:
- rk808_configure_ldo(PMIC_BUS, 4, 1800); /* VCC18_LCD */
- rk808_configure_ldo(PMIC_BUS, 6, 1000); /* VCC10_LCD */
- gpio_output(GPIO(7, B, 7), 1); /* LCD_EN */
+ rk808_configure_ldo(PMIC_BUS, 4, 1800); /* VCC18_LCD */
+ rk808_configure_ldo(PMIC_BUS, 6, 1000); /* VCC10_LCD */
+ gpio_output(GPIO(7, B, 7), 1); /* LCD_EN */
break;
default:
- rk808_configure_switch(PMIC_BUS, 2, 1); /* VCC18_LCD */
+ rk808_configure_switch(PMIC_BUS, 2, 1); /* VCC18_LCD */
rk808_configure_ldo(PMIC_BUS, 7, 2500); /* VCC10_LCD_PWREN_H */
- rk808_configure_switch(PMIC_BUS, 1, 1); /* VCC33_LCD */
+ rk808_configure_switch(PMIC_BUS, 1, 1); /* VCC33_LCD */
break;
}
-
- gpio_output(GPIO(7, A, 0), 0); /* LCDC_BL */
- gpio_output(GPIO(7, A, 2), 1); /* BL_EN */
}
static void mainboard_init(device_t dev)
@@ -153,7 +153,7 @@ static void mainboard_init(device_t dev)
configure_sdmmc();
configure_emmc();
configure_codec();
- configure_lcd();
+ configure_vop();
}
static void mainboard_enable(device_t dev)
diff --git a/src/soc/rockchip/rk3288/Makefile.inc b/src/soc/rockchip/rk3288/Makefile.inc
index d19378377d..836f2a7bea 100644
--- a/src/soc/rockchip/rk3288/Makefile.inc
+++ b/src/soc/rockchip/rk3288/Makefile.inc
@@ -66,6 +66,9 @@ ramstage-y += gpio.c
ramstage-y += media.c
ramstage-y += rk808.c
ramstage-y += pwm.c
+ramstage-y += vop.c
+ramstage-y += edp.c
+ramstage-y += display.c
ramstage-$(CONFIG_DRIVERS_UART) += uart.c
CPPFLAGS_common += -Isrc/soc/rockchip/rk3288/include/
diff --git a/src/soc/rockchip/rk3288/chip.h b/src/soc/rockchip/rk3288/chip.h
index a7fded09cb..b401ab4b42 100644
--- a/src/soc/rockchip/rk3288/chip.h
+++ b/src/soc/rockchip/rk3288/chip.h
@@ -20,28 +20,16 @@
#ifndef __SOC_ROCKCHIP_RK3288_CHIP_H__
#define __SOC_ROCKCHIP_RK3288_CHIP_H__
+#include <soc/gpio.h>
+
struct soc_rockchip_rk3288_config {
- int screen_type;
- int lvds_format;
- int out_face;
- int clock_frequency;
- int hactive;
- int vactive;
- int hback_porch;
- int hfront_porch;
- int vback_porch;
- int vfront_porch;
- int hsync_len;
- int vsync_len;
- int hsync_active;
- int vsync_active;
- int de_active;
- int pixelclk_active;
- int swap_rb;
- int swap_rg;
- int swap_gb;
- int lcd_en_gpio;
- int lcd_cs_gpio;
+ u32 vop_id;
+ gpio_t lcd_bl_pwm_gpio;
+ gpio_t lcd_bl_en_gpio;
+ u32 lcd_power_on_udelay;
+ u32 bl_power_on_udelay;
+ u32 bl_pwm_to_enable_udelay;
+ u32 framebuffer_bits_per_pixel;
};
#endif /* __SOC_ROCKCHIP_RK3288_CHIP_H__ */
diff --git a/src/soc/rockchip/rk3288/clock.c b/src/soc/rockchip/rk3288/clock.c
index d95257f610..c69c90baec 100644
--- a/src/soc/rockchip/rk3288/clock.c
+++ b/src/soc/rockchip/rk3288/clock.c
@@ -186,10 +186,22 @@ static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2);
#define GPLL_MODE_SLOW (0 << 12)
#define GPLL_MODE_NORM (1 << 12)
+#define NPLL_MODE_MSK (0x3 << 14)
+#define NPLL_MODE_SLOW (0 << 14)
+#define NPLL_MODE_NORM (1 << 14)
+
#define SOCSTS_DPLL_LOCK (1 << 5)
#define SOCSTS_APLL_LOCK (1 << 6)
#define SOCSTS_CPLL_LOCK (1 << 7)
#define SOCSTS_GPLL_LOCK (1 << 8)
+#define SOCSTS_NPLL_LOCK (1 << 9)
+
+#define VCO_MAX_KHZ (2200 * (MHz/KHz))
+#define VCO_MIN_KHZ (440 * (MHz/KHz))
+#define OUTPUT_MAX_KHZ (2200 * (MHz/KHz))
+#define OUTPUT_MIN_KHZ 27500
+#define FREF_MAX_KHZ (2200 * (MHz/KHz))
+#define FREF_MIN_KHZ 269
static int rkclk_set_pll(u32 *pll_con, const struct pll_div *div)
{
@@ -200,8 +212,8 @@ static int rkclk_set_pll(u32 *pll_con, const struct pll_div *div)
printk(BIOS_DEBUG, "Configuring PLL at %p with NF = %d, NR = %d and "
"NO = %d (VCO = %uKHz, output = %uKHz)\n",
pll_con, div->nf, div->nr, div->no, vco_khz, output_khz);
- assert(vco_khz >= 440*(MHz/KHz) && vco_khz <= 2200*(MHz/KHz) &&
- output_khz >= 27500 && output_khz <= 2200*(MHz/KHz) &&
+ assert(vco_khz >= VCO_MIN_KHZ && vco_khz <= VCO_MAX_KHZ &&
+ output_khz >= OUTPUT_MIN_KHZ && output_khz <= OUTPUT_MAX_KHZ &&
(div->no == 1 || !(div->no % 2)));
/* enter rest */
@@ -317,7 +329,7 @@ void rkclk_init(void)
}
-void rkclk_configure_cpu()
+void rkclk_configure_cpu(void)
{
/* pll enter slow-mode */
writel(RK_CLRSETBITS(APLL_MODE_MSK, APLL_MODE_SLOW),
@@ -491,3 +503,141 @@ void rkclk_configure_tsadc(unsigned int hz)
writel(RK_CLRSETBITS(0x3f << 0, (div - 1) << 0),
&cru_ptr->cru_clksel_con[2]);
}
+
+static int pll_para_config(u32 freq_hz, struct pll_div *div)
+{
+ u32 ref_khz = OSC_HZ / KHz, nr, nf = 0;
+ u32 fref_khz;
+ u32 diff_khz, best_diff_khz;
+ const u32 max_nr = 1 << 6, max_nf = 1 << 12, max_no = 1 << 4;
+ u32 vco_khz;
+ u32 no = 1;
+ u32 freq_khz = freq_hz / KHz;
+
+ if (!freq_hz) {
+ printk(BIOS_ERR, "%s: the frequency can not be 0 Hz\n", __func__);
+ return -1;
+ }
+ no = div_round_up(VCO_MIN_KHZ, freq_khz);
+
+ /* only even divisors (and 1) are supported */
+ if (no > 1)
+ no = div_round_up(no, 2) * 2;
+ vco_khz = freq_khz * no;
+ if (vco_khz < VCO_MIN_KHZ || vco_khz > VCO_MAX_KHZ || no > max_no) {
+ printk(BIOS_ERR, "%s: Cannot find out a supported VCO"
+ " for Frequency (%uHz).\n", __func__, freq_hz);
+ return -1;
+ }
+ div->no = no;
+
+ best_diff_khz = vco_khz;
+ for (nr = 1; nr < max_nr && best_diff_khz; nr++) {
+ fref_khz = ref_khz / nr;
+ if (fref_khz < FREF_MIN_KHZ)
+ break;
+ if (fref_khz > FREF_MAX_KHZ)
+ continue;
+
+ nf = vco_khz / fref_khz;
+ if (nf >= max_nf)
+ continue;
+ diff_khz = vco_khz - nf * fref_khz;
+ if (nf + 1 < max_nf && diff_khz > fref_khz / 2) {
+ nf++;
+ diff_khz = fref_khz - diff_khz;
+ }
+
+ if (diff_khz >= best_diff_khz)
+ continue;
+
+ best_diff_khz = diff_khz;
+ div->nr = nr;
+ div->nf = nf;
+ }
+
+ if (best_diff_khz > 4 * (MHz/KHz)) {
+ printk(BIOS_ERR, "%s: Failed to match output frequency %u, "
+ "difference is %u Hz,exceed 4MHZ\n", __func__, freq_hz,
+ best_diff_khz * KHz);
+ return -1;
+ }
+
+ return 0;
+}
+
+void rkclk_configure_edp(void)
+{
+ /* rst edp */
+ writel(RK_SETBITS(1 << 15), &cru_ptr->cru_softrst_con[6]);
+ udelay(1);
+ writel(RK_CLRBITS(1 << 15), &cru_ptr->cru_softrst_con[6]);
+
+ /* clk_edp_24M source: 24M */
+ writel(RK_SETBITS(1 << 15), &cru_ptr->cru_clksel_con[28]);
+}
+
+void rkclk_configure_vop_aclk(u32 vop_id, u32 aclk_hz)
+{
+ u32 div;
+
+ /* vop aclk source clk: cpll */
+ div = CPLL_HZ / aclk_hz;
+ assert((div - 1 < 64) && (div * aclk_hz == CPLL_HZ));
+
+ switch (vop_id) {
+ case 0:
+ writel(RK_CLRSETBITS(3 << 6 | 0x1f << 0,
+ 0 << 6 | (div - 1) << 0),
+ &cru_ptr->cru_clksel_con[31]);
+ break;
+
+ case 1:
+ writel(RK_CLRSETBITS(3 << 14 | 0x1f << 8,
+ 0 << 14 | (div - 1) << 8),
+ &cru_ptr->cru_clksel_con[31]);
+ break;
+ }
+}
+
+
+int rkclk_configure_vop_dclk(u32 vop_id, u32 dclk_hz)
+{
+ struct pll_div npll_config = {0};
+
+ if (pll_para_config(dclk_hz, &npll_config))
+ return -1;
+
+ /* npll enter slow-mode */
+ writel(RK_CLRSETBITS(NPLL_MODE_MSK, NPLL_MODE_SLOW),
+ &cru_ptr->cru_mode_con);
+
+ rkclk_set_pll(&cru_ptr->cru_npll_con[0], &npll_config);
+
+ /* waiting for pll lock */
+ while (1) {
+ if (readl(&rk3288_grf->soc_status[1]) & SOCSTS_NPLL_LOCK)
+ break;
+ udelay(1);
+ }
+
+ /* npll enter normal-mode */
+ writel(RK_CLRSETBITS(NPLL_MODE_MSK, NPLL_MODE_NORM),
+ &cru_ptr->cru_mode_con);
+
+ /* vop dclk source clk: npll,dclk_div: 1 */
+ switch (vop_id) {
+ case 0:
+ writel(RK_CLRSETBITS(0xff << 8 | 3 << 0,
+ 0 << 8 | 2 << 0),
+ &cru_ptr->cru_clksel_con[27]);
+ break;
+
+ case 1:
+ writel(RK_CLRSETBITS(0xff << 8 | 3 << 6,
+ 0 << 8 | 2 << 6),
+ &cru_ptr->cru_clksel_con[29]);
+ break;
+ }
+ return 0;
+}
diff --git a/src/soc/rockchip/rk3288/display.c b/src/soc/rockchip/rk3288/display.c
new file mode 100644
index 0000000000..a8ba31a129
--- /dev/null
+++ b/src/soc/rockchip/rk3288/display.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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 <arch/cache.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <delay.h>
+#include <edid.h>
+#include <gpio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/display.h>
+#include <soc/edp.h>
+#include <soc/gpio.h>
+#include <soc/grf.h>
+#include <soc/soc.h>
+#include <soc/vop.h>
+
+#include "chip.h"
+
+void rk_display_init(device_t dev, u32 lcdbase,
+ unsigned long fb_size)
+{
+ struct edid edid;
+ struct soc_rockchip_rk3288_config *conf = dev->chip_info;
+ uint32_t lower = ALIGN_DOWN(lcdbase, MiB);
+ uint32_t upper = ALIGN_UP(lcdbase + fb_size, MiB);
+
+ printk(BIOS_SPEW, "LCD framebuffer @%p\n", (void *)(lcdbase));
+ memset((void *)lcdbase, 0, fb_size); /* clear the framebuffer */
+ dcache_clean_invalidate_by_mva((void *)lower, upper - lower);
+ mmu_config_range(lower / MiB, (upper - lower) / MiB, DCACHE_OFF);
+
+ rkclk_configure_edp();
+
+ rkclk_configure_vop_aclk(conf->vop_id, 192 * MHz);
+
+ rk_edp_init(conf->vop_id);
+ udelay(conf->lcd_power_on_udelay);
+
+ if (rk_edp_get_edid(&edid)) {
+ printk(BIOS_WARNING, "can not get edid\n");
+ return;
+ }
+
+ if (rkclk_configure_vop_dclk(conf->vop_id, edid.pixel_clock * KHz)) {
+ printk(BIOS_WARNING, "config vop err\n");
+ return;
+ }
+
+ edid.framebuffer_bits_per_pixel = conf->framebuffer_bits_per_pixel;
+ edid.bytes_per_line = edid.ha * conf->framebuffer_bits_per_pixel / 8;
+ edid.x_resolution = edid.ha;
+ edid.y_resolution = edid.va;
+ rkvop_mode_set(conf->vop_id, &edid);
+
+ rkvop_enable(conf->vop_id, lcdbase, &edid);
+
+ if (rk_edp_enable()) {
+ printk(BIOS_WARNING, "edp enable err\n");
+ return;
+ }
+
+ set_vbe_mode_info_valid(&edid, (uintptr_t)lcdbase);
+ gpio_output(conf->lcd_bl_pwm_gpio, 0);
+ gpio_output(conf->lcd_bl_en_gpio, 1); /* LCD_BL */
+ udelay(conf->bl_power_on_udelay);
+ gpio_output(conf->lcd_bl_pwm_gpio, 1); /* BL_EN */
+}
diff --git a/src/soc/rockchip/rk3288/edp.c b/src/soc/rockchip/rk3288/edp.c
new file mode 100644
index 0000000000..556dc16a39
--- /dev/null
+++ b/src/soc/rockchip/rk3288/edp.c
@@ -0,0 +1,1014 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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 <arch/io.h>
+#include <assert.h>
+#include <console/console.h>
+#include <delay.h>
+#include <edid.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <soc/addressmap.h>
+#include <soc/edp.h>
+#include <soc/grf.h>
+#include <soc/vop.h>
+#include <timer.h>
+
+#include "chip.h"
+
+#define edp_debug(x...) do {if (0) printk(BIOS_DEBUG, x); } while (0)
+
+static struct rk_edp rk_edp;
+
+#define MAX_CR_LOOP 5
+#define MAX_EQ_LOOP 5
+#define DP_LINK_STATUS_SIZE 6
+
+static const char *voltage_names[] = {
+ "0.4V", "0.6V", "0.8V", "1.2V"
+};
+static const char *pre_emph_names[] = {
+ "0dB", "3.5dB", "6dB", "9.5dB"
+};
+
+#define DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_1200
+#define DP_PRE_EMPHASIS_MAX DP_TRAIN_PRE_EMPHASIS_9_5
+
+static void rk_edp_reset(struct rk_edp *edp)
+{
+ u32 reg;
+
+ /* Stop Video */
+ clrbits_le32(&edp->regs->video_ctl_1, VIDEO_EN);
+ setbits_le32(&edp->regs->video_ctl_1, VIDEO_MUTE);
+
+ reg = VID_CAP_FUNC_EN_N | AUD_FIFO_FUNC_EN_N |
+ AUD_FUNC_EN_N | HDCP_FUNC_EN_N | SW_FUNC_EN_N;
+ writel(reg, &edp->regs->func_en_1);
+
+ reg = SSC_FUNC_EN_N | AUX_FUNC_EN_N |
+ SERDES_FIFO_FUNC_EN_N |
+ LS_CLK_DOMAIN_FUNC_EN_N;
+ writel(reg, &edp->regs->func_en_2);
+
+ udelay(20);
+
+ reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 |
+ LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
+ writel(reg, &edp->regs->lane_map);
+}
+
+static void rk_edp_init_refclk(struct rk_edp *edp)
+{
+ writel(SEL_24M, &edp->regs->analog_ctl_2);
+ writel(REF_CLK_24M, &edp->regs->pll_reg_1);
+
+ /*initial value*/
+ writel(LDO_OUTPUT_V_SEL_145 |
+ KVCO_DEFALUT |
+ CHG_PUMP_CUR_SEL_5US |
+ V2L_CUR_SEL_1MA, &edp->regs->pll_reg_2);
+
+ writel(LOCK_DET_CNT_SEL_256 |
+ LOOP_FILTER_RESET |
+ PALL_SSC_RESET |
+ LOCK_DET_BYPASS |
+ PLL_LOCK_DET_MODE |
+ PLL_LOCK_DET_FORCE, &edp->regs->pll_reg_3);
+
+ writel(REGULATOR_V_SEL_950MV |
+ STANDBY_CUR_SEL |
+ CHG_PUMP_INOUT_CTRL_1200MV |
+ CHG_PUMP_INPUT_CTRL_OP, &edp->regs->pll_reg_5);
+
+ writel(SSC_OFFSET | SSC_MODE | SSC_DEPTH, &edp->regs->ssc_reg);
+
+ writel(TX_SWING_PRE_EMP_MODE |
+ PRE_DRIVER_PW_CTRL1 |
+ LP_MODE_CLK_REGULATOR |
+ RESISTOR_MSB_CTRL |
+ RESISTOR_CTRL, &edp->regs->tx_common);
+
+ writel(DP_AUX_COMMON_MODE |
+ DP_AUX_EN |
+ AUX_TERM_50OHM, &edp->regs->dp_aux);
+
+ writel(DP_BG_OUT_SEL |
+ DP_DB_CUR_CTRL |
+ DP_BG_SEL |
+ DP_RESISTOR_TUNE_BG, &edp->regs->dp_bias);
+
+ writel(CH1_CH3_SWING_EMP_CTRL |
+ CH0_CH2_SWING_EMP_CTRL, &edp->regs->dp_reserv2);
+}
+
+static void rk_edp_init_interrupt(struct rk_edp *edp)
+{
+ /* Set interrupt pin assertion polarity as high */
+ writel(INT_POL, &edp->regs->int_ctl);
+
+ /* Clear pending registers */
+ writel(0xff, &edp->regs->common_int_sta_1);
+ writel(0x4f, &edp->regs->common_int_sta_2);
+ writel(0xff, &edp->regs->common_int_sta_3);
+ writel(0x27, &edp->regs->common_int_sta_4);
+ writel(0x7f, &edp->regs->dp_int_sta);
+
+ /* 0:mask,1: unmask */
+ writel(0x00, &edp->regs->common_int_mask_1);
+ writel(0x00, &edp->regs->common_int_mask_2);
+ writel(0x00, &edp->regs->common_int_mask_3);
+ writel(0x00, &edp->regs->common_int_mask_4);
+ writel(0x00, &edp->regs->int_sta_mask);
+}
+
+static void rk_edp_enable_sw_function(struct rk_edp *edp)
+{
+ clrbits_le32(&edp->regs->func_en_1, SW_FUNC_EN_N);
+}
+
+static int rk_edp_get_pll_lock_status(struct rk_edp *edp)
+{
+ u32 val;
+
+ val = readl(&edp->regs->dp_debug_ctl);
+ return (val & PLL_LOCK) ? DP_PLL_LOCKED : DP_PLL_UNLOCKED;
+}
+
+static void rk_edp_init_analog_func(struct rk_edp *edp)
+{
+ struct stopwatch sw;
+
+ writel(0x00, &edp->regs->dp_pd);
+
+ writel(PLL_LOCK_CHG, &edp->regs->common_int_sta_1);
+
+ clrbits_le32(&edp->regs->dp_debug_ctl, F_PLL_LOCK | PLL_LOCK_CTRL);
+
+ stopwatch_init_msecs_expire(&sw, PLL_LOCK_TIMEOUT);
+
+ while (rk_edp_get_pll_lock_status(edp) == DP_PLL_UNLOCKED) {
+ if (stopwatch_expired(&sw)) {
+ printk(BIOS_ERR, "%s: PLL is not locked\n", __func__);
+ return;
+ }
+ }
+
+ /* Enable Serdes FIFO function and Link symbol clock domain module */
+ clrbits_le32(&edp->regs->func_en_2, SERDES_FIFO_FUNC_EN_N |
+ LS_CLK_DOMAIN_FUNC_EN_N | AUX_FUNC_EN_N |
+ SSC_FUNC_EN_N);
+}
+
+static void rk_edp_init_aux(struct rk_edp *edp)
+{
+ /* Clear inerrupts related to AUX channel */
+ writel(AUX_FUNC_EN_N, &edp->regs->dp_int_sta);
+
+ /* Disable AUX channel module */
+ setbits_le32(&edp->regs->func_en_2, AUX_FUNC_EN_N);
+
+ /* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */
+ writel(DEFER_CTRL_EN | DEFER_COUNT(1), &edp->regs->aux_ch_defer_dtl);
+
+ /* Enable AUX channel module */
+ clrbits_le32(&edp->regs->func_en_2, AUX_FUNC_EN_N);
+}
+
+static int rk_edp_aux_enable(struct rk_edp *edp)
+{
+ struct stopwatch sw;
+
+ setbits_le32(&edp->regs->aux_ch_ctl_2, AUX_EN);
+ stopwatch_init_msecs_expire(&sw, 20);
+ do {
+ if (!(readl(&edp->regs->aux_ch_ctl_2) & AUX_EN))
+ return 0;
+ } while (!stopwatch_expired(&sw));
+
+ return -1;
+
+}
+
+static int rk_edp_is_aux_reply(struct rk_edp *edp)
+{
+ struct stopwatch sw;
+
+ stopwatch_init_msecs_expire(&sw, 10);
+
+ while (!(readl(&edp->regs->dp_int_sta) & RPLY_RECEIV)) {
+ if (stopwatch_expired(&sw))
+ return -1;
+ }
+
+ writel(RPLY_RECEIV, &edp->regs->dp_int_sta);
+
+ return 0;
+}
+
+static int rk_edp_start_aux_transaction(struct rk_edp *edp)
+{
+ int val;
+
+ /* Enable AUX CH operation */
+ if (rk_edp_aux_enable(edp)) {
+ edp_debug("AUX CH enable timeout!\n");
+ return -1;
+ }
+
+ /* Is AUX CH command reply received? */
+ if (rk_edp_is_aux_reply(edp)) {
+ edp_debug("AUX CH command reply failed!\n");
+ return -1;
+ }
+
+ /* Clear interrupt source for AUX CH access error */
+ val = readl(&edp->regs->dp_int_sta);
+ if (val & AUX_ERR) {
+ writel(AUX_ERR, &edp->regs->dp_int_sta);
+ return -1;
+ }
+
+ /* Check AUX CH error access status */
+ val = readl(&edp->regs->dp_int_sta);
+ if ((val & AUX_STATUS_MASK) != 0) {
+ edp_debug("AUX CH error happens: %d\n\n",
+ val & AUX_STATUS_MASK);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int rk_edp_dpcd_transfer(struct rk_edp *edp,
+ unsigned int val_addr, u8 *data,
+ unsigned int length,
+ enum dpcd_request request)
+{
+ int val;
+ int i, try_times;
+ int retval = 0;
+ u32 len = 0;
+
+ while (length) {
+ len = MIN(length, 16);
+ for (try_times = 0; try_times < 10; try_times++) {
+
+ /* Clear AUX CH data buffer */
+ val = BUF_CLR;
+ writel(val, &edp->regs->buf_data_ctl);
+
+ /* Select DPCD device address */
+ val = AUX_ADDR_7_0(val_addr);
+ writel(val, &edp->regs->aux_addr_7_0);
+ val = AUX_ADDR_15_8(val_addr);
+ writel(val, &edp->regs->aux_addr_15_8);
+ val = AUX_ADDR_19_16(val_addr);
+ writel(val, &edp->regs->aux_addr_19_16);
+
+ /*
+ * Set DisplayPort transaction and read 1 byte
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ if (request == DPCD_WRITE) {
+ val = AUX_LENGTH(len) |
+ AUX_TX_COMM_DP_TRANSACTION |
+ AUX_TX_COMM_WRITE;
+ for (i = 0; i < len; i++)
+ writel(*data++, &edp->regs->buf_data[i]);
+ } else
+ val = AUX_LENGTH(len) |
+ AUX_TX_COMM_DP_TRANSACTION |
+ AUX_TX_COMM_READ;
+
+ writel(val, &edp->regs->aux_ch_ctl_1);
+
+ /* Start AUX transaction */
+ retval = rk_edp_start_aux_transaction(edp);
+ if (retval == 0)
+ break;
+ else
+ printk(BIOS_WARNING, "read dpcd Aux Transaction fail!\n");
+
+ }
+
+ if (retval)
+ return -1;
+
+ if (request == DPCD_READ) {
+ for (i = 0; i < len; i++)
+ *data++ = (u8)readl(&edp->regs->buf_data[i]);
+ }
+
+ length -= len;
+ val_addr += 16;
+ }
+ return 0;
+}
+
+static int rk_edp_dpcd_read(struct rk_edp *edp, u32 addr, u8 *values, size_t size)
+{
+ return rk_edp_dpcd_transfer(edp, addr, values, size, DPCD_READ);
+}
+
+static int rk_edp_dpcd_write(struct rk_edp *edp, u32 addr, u8 *values, size_t size)
+{
+ return rk_edp_dpcd_transfer(edp, addr, values, size, DPCD_WRITE);
+}
+
+
+static int rk_edp_link_power_up(struct rk_edp *edp)
+{
+ u8 value;
+ int err;
+
+ /* DP_SET_POWER register is only available on DPCD v1.1 and later */
+ if (edp->link_train.revision < 0x11)
+ return 0;
+
+ err = rk_edp_dpcd_read(edp, DPCD_LINK_POWER_STATE, &value, 1);
+ if (err < 0)
+ return err;
+
+ value &= ~DP_SET_POWER_MASK;
+ value |= DP_SET_POWER_D0;
+
+ err = rk_edp_dpcd_write(edp, DPCD_LINK_POWER_STATE, &value, 1);
+ if (err < 0)
+ return err;
+
+ /*
+ * According to the DP 1.1 specification, a "Sink Device must exit the
+ * power saving state within 1 ms" (Section 2.5.3.1, Table 5-52, "Sink
+ * Control Field" (register 0x600).
+ */
+ mdelay(1);
+
+ return 0;
+}
+
+static int rk_edp_link_configure(struct rk_edp *edp)
+{
+ u8 values[2];
+
+ values[0] = edp->link_train.link_rate;
+ values[1] = edp->link_train.lane_count;
+
+ return rk_edp_dpcd_write(edp, DPCD_LINK_BW_SET, values, sizeof(values));
+}
+
+static void rk_edp_set_link_training(struct rk_edp *edp,
+ const u8 *training_values)
+{
+ int i;
+
+ for (i = 0; i < edp->link_train.lane_count; i++)
+ writel(training_values[i], &edp->regs->ln_link_trn_ctl[i]);
+}
+
+static u8 edp_link_status(const u8 *link_status, int r)
+{
+ return link_status[r - DPCD_LANE0_1_STATUS];
+}
+
+static int rk_edp_dpcd_read_link_status(struct rk_edp *edp, u8 *link_status)
+{
+ return rk_edp_dpcd_read(edp, DPCD_LANE0_1_STATUS, link_status,
+ DP_LINK_STATUS_SIZE);
+}
+
+static u8 edp_get_lane_status(const u8 *link_status, int lane)
+{
+ int i = DPCD_LANE0_1_STATUS + (lane >> 1);
+ int s = (lane & 1) * 4;
+ u8 l = edp_link_status(link_status, i);
+ return (l >> s) & 0xf;
+}
+
+static int rk_edp_clock_recovery_ok(const u8 *link_status, int lane_count)
+{
+ int lane;
+ u8 lane_status;
+
+ for (lane = 0; lane < lane_count; lane++) {
+ lane_status = edp_get_lane_status(link_status, lane);
+ if ((lane_status & DP_LANE_CR_DONE) == 0)
+ return 0;
+ }
+ return 1;
+}
+
+static int rk_edp_channel_eq_ok(const u8 *link_status, int lane_count)
+{
+ u8 lane_align;
+ u8 lane_status;
+ int lane;
+
+ lane_align = edp_link_status(link_status,
+ DPCD_LANE_ALIGN_STATUS_UPDATED);
+ if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
+ return 0;
+ for (lane = 0; lane < lane_count; lane++) {
+ lane_status = edp_get_lane_status(link_status, lane);
+ if ((lane_status & DP_CHANNEL_EQ_BITS) != DP_CHANNEL_EQ_BITS)
+ return 0;
+ }
+ return 1;
+}
+
+static u8
+rk_edp_get_adjust_request_voltage(const u8 *link_status, int lane)
+{
+ int i = DPCD_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
+ int s = ((lane & 1) ?
+ DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
+ DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
+ u8 l = edp_link_status(link_status, i);
+
+ return ((l >> s) & 0x3) << DP_TRAIN_VOLTAGE_SWING_SHIFT;
+}
+
+static u8 rk_edp_get_adjust_request_pre_emphasis(const u8 *link_status,
+ int lane)
+{
+ int i = DPCD_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
+ int s = ((lane & 1) ?
+ DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
+ DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
+ u8 l = edp_link_status(link_status, i);
+
+ return ((l >> s) & 0x3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
+}
+
+static void edp_get_adjust_train(const u8 *link_status, int lane_count,
+ u8 train_set[])
+{
+ u8 v = 0;
+ u8 p = 0;
+ int lane;
+
+ for (lane = 0; lane < lane_count; lane++) {
+ u8 this_v =
+ rk_edp_get_adjust_request_voltage(link_status, lane);
+ u8 this_p =
+ rk_edp_get_adjust_request_pre_emphasis(link_status,
+ lane);
+
+ printk(BIOS_DEBUG, "requested signal parameters: lane %d "
+ "voltage %s pre_emph %s\n", lane,
+ voltage_names[this_v >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
+ pre_emph_names[this_p >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
+
+ if (this_v > v)
+ v = this_v;
+ if (this_p > p)
+ p = this_p;
+ }
+
+ if (v >= DP_VOLTAGE_MAX)
+ v |= DP_TRAIN_MAX_SWING_REACHED;
+
+ if (p >= DP_PRE_EMPHASIS_MAX)
+ p |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+
+ printk(BIOS_DEBUG, "using signal parameters: voltage %s pre_emph %s\n",
+ voltage_names[(v & DP_TRAIN_VOLTAGE_SWING_MASK)
+ >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
+ pre_emph_names[(p & DP_TRAIN_PRE_EMPHASIS_MASK)
+ >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
+
+ for (lane = 0; lane < 4; lane++)
+ train_set[lane] = v | p;
+}
+
+static int rk_edp_link_train_cr(struct rk_edp *edp)
+{
+ int clock_recovery;
+ u8 voltage, tries = 0;
+ u8 status[DP_LINK_STATUS_SIZE];
+ int i;
+ u8 value;
+
+ value = DP_TRAINING_PATTERN_1;
+ writel(value, &edp->regs->dp_training_ptn_set);
+ rk_edp_dpcd_write(edp, DPCD_TRAINING_PATTERN_SET, &value, 1);
+ memset(edp->train_set, 0, 4);
+
+ /* clock recovery loop */
+ clock_recovery = 0;
+ tries = 0;
+ voltage = 0xff;
+
+ while (1) {
+ rk_edp_set_link_training(edp, edp->train_set);
+ rk_edp_dpcd_write(edp, DPCD_TRAINING_LANE0_SET,
+ edp->train_set,
+ edp->link_train.lane_count);
+
+ mdelay(1);
+
+ if (rk_edp_dpcd_read_link_status(edp, status) < 0) {
+ printk(BIOS_ERR, "displayport link status failed\n");
+ break;
+ }
+
+ if (rk_edp_clock_recovery_ok(status,
+ edp->link_train.lane_count)) {
+ clock_recovery = 1;
+ break;
+ }
+
+ for (i = 0; i < edp->link_train.lane_count; i++) {
+ if ((edp->train_set[i] &
+ DP_TRAIN_MAX_SWING_REACHED) == 0)
+ break;
+ }
+ if (i == edp->link_train.lane_count) {
+ printk(BIOS_ERR, "clock recovery reached max voltage\n");
+ break;
+ }
+
+ if ((edp->train_set[0] &
+ DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
+ ++tries;
+ if (tries == MAX_CR_LOOP) {
+ printk(BIOS_ERR, "clock recovery tried 5 times\n");
+ break;
+ }
+ } else
+ tries = 0;
+
+ voltage = edp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
+
+ /* Compute new train_set as requested by sink */
+ edp_get_adjust_train(status, edp->link_train.lane_count,
+ edp->train_set);
+ }
+ if (!clock_recovery) {
+ printk(BIOS_ERR, "clock recovery failed\n");
+ return -1;
+ } else {
+ printk(BIOS_DEBUG, "clock recovery at voltage %d pre-emphasis %d\n",
+ edp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
+ (edp->train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK) >>
+ DP_TRAIN_PRE_EMPHASIS_SHIFT);
+ return 0;
+ }
+}
+
+static int rk_edp_link_train_ce(struct rk_edp *edp)
+{
+ int channel_eq;
+ u8 value, tries = 0;
+ u8 status[DP_LINK_STATUS_SIZE];
+
+ value = DP_TRAINING_PATTERN_2;
+ writel(value, &edp->regs->dp_training_ptn_set);
+ rk_edp_dpcd_write(edp, DPCD_TRAINING_PATTERN_SET, &value, 1);
+
+ /* channel equalization loop */
+ channel_eq = 0;
+ for (tries = 0; tries < 5; tries++) {
+ rk_edp_set_link_training(edp, edp->train_set);
+ udelay(400);
+
+ if (rk_edp_dpcd_read_link_status(edp, status) < 0) {
+ printk(BIOS_ERR, "displayport link status failed\n");
+ return -1;
+ }
+
+ if (rk_edp_channel_eq_ok(status,
+ edp->link_train.lane_count)) {
+ channel_eq = 1;
+ break;
+ }
+ edp_get_adjust_train(status,
+ edp->link_train.lane_count,
+ edp->train_set);
+ }
+
+ if (!channel_eq) {
+ printk(BIOS_ERR, "channel eq failed\n");
+ return -1;
+ } else {
+ printk(BIOS_DEBUG, "channel eq at voltage %d pre-emphasis %d\n",
+ edp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
+ (edp->train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK)
+ >> DP_TRAIN_PRE_EMPHASIS_SHIFT);
+ return 0;
+ }
+}
+
+static int rk_edp_init_training(struct rk_edp *edp)
+{
+ u8 values[3];
+ int err;
+
+ err = rk_edp_dpcd_read(edp, DPCD_DPCD_REV, values, sizeof(values));
+ if (err < 0)
+ return err;
+
+ edp->link_train.revision = values[0];
+ edp->link_train.link_rate = values[1];
+ edp->link_train.lane_count = values[2] & DP_MAX_LANE_COUNT_MASK;
+
+ edp_debug("max link rate:%d.%dGps max number of lanes:%d\n",
+ edp->link_train.link_rate * 27 / 100,
+ edp->link_train.link_rate * 27 % 100,
+ edp->link_train.lane_count);
+
+ if ((edp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
+ (edp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
+ edp_debug("Rx Max Link Rate is abnormal :%x\n",
+ edp->link_train.link_rate);
+ return -1;
+ }
+
+ if (edp->link_train.lane_count == 0) {
+ edp_debug("Rx Max Lane count is abnormal :%x\n",
+ edp->link_train.lane_count);
+ return -1;
+ }
+
+ rk_edp_link_power_up(edp);
+ rk_edp_link_configure(edp);
+ return 0;
+}
+
+static int rk_edp_hw_link_training(struct rk_edp *edp)
+{
+ u32 val;
+ struct stopwatch sw;
+
+ /* Set link rate and count as you want to establish*/
+ writel(edp->link_train.link_rate, &edp->regs->link_bw_set);
+ writel(edp->link_train.lane_count, &edp->regs->lane_count_set);
+
+ if (rk_edp_link_train_cr(edp))
+ return -1;
+ if (rk_edp_link_train_ce(edp))
+ return -1;
+
+ writel(HW_LT_EN, &edp->regs->dp_hw_link_training);
+ stopwatch_init_msecs_expire(&sw, 10);
+ do {
+ val = readl(&edp->regs->dp_hw_link_training);
+ if (!(val & HW_LT_EN))
+ break;
+ } while (!stopwatch_expired(&sw));
+ if (val & HW_LT_ERR_CODE_MASK) {
+ printk(BIOS_ERR, "edp hw link training error: %d\n",
+ val >> HW_LT_ERR_CODE_SHIFT);
+ return -1;
+ }
+ return 0;
+
+}
+
+static int rk_edp_select_i2c_device(struct rk_edp *edp,
+ unsigned int device_addr,
+ unsigned int val_addr)
+{
+ u32 val;
+ int retval;
+
+ /* Set EDID device address */
+ val = device_addr;
+ writel(val, &edp->regs->aux_addr_7_0);
+ writel(0x0, &edp->regs->aux_addr_15_8);
+ writel(0x0, &edp->regs->aux_addr_19_16);
+
+ /* Set offset from base address of EDID device */
+ writel(val_addr, &edp->regs->buf_data[0]);
+
+ /*
+ * Set I2C transaction and write address
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ val = AUX_TX_COMM_I2C_TRANSACTION | AUX_TX_COMM_MOT |
+ AUX_TX_COMM_WRITE;
+ writel(val, &edp->regs->aux_ch_ctl_1);
+
+ /* Start AUX transaction */
+ retval = rk_edp_start_aux_transaction(edp);
+ if (retval != 0)
+ edp_debug("select_i2c_device Aux Transaction fail!\n");
+
+ return retval;
+}
+
+static int rk_edp_read_bytes_from_i2c(struct rk_edp *edp,
+ unsigned int device_addr,
+ unsigned int val_addr,
+ unsigned int count,
+ u8 edid[])
+{
+ u32 val;
+ unsigned int i, j;
+ unsigned int cur_data_idx;
+ unsigned int defer = 0;
+ int retval = 0;
+
+ for (i = 0; i < count; i += 16) {
+ for (j = 0; j < 10; j++) { /* try 10 times */
+ /* Clear AUX CH data buffer */
+ val = BUF_CLR;
+ writel(val, &edp->regs->buf_data_ctl);
+
+ /* Set normal AUX CH command */
+ clrbits_le32(&edp->regs->aux_ch_ctl_2, ADDR_ONLY);
+
+ /*
+ * If Rx sends defer, Tx sends only reads
+ * request without sending addres
+ */
+ if (!defer)
+ retval = rk_edp_select_i2c_device(edp,
+ device_addr, val_addr + i);
+ else
+ defer = 0;
+
+ /*
+ * Set I2C transaction and write data
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ val = AUX_LENGTH(16) | AUX_TX_COMM_I2C_TRANSACTION |
+ AUX_TX_COMM_READ;
+ writel(val, &edp->regs->aux_ch_ctl_1);
+
+ /* Start AUX transaction */
+ retval = rk_edp_start_aux_transaction(edp);
+ if (retval == 0)
+ break;
+ else {
+ edp_debug("Aux Transaction fail!\n");
+ continue;
+ }
+
+ /* Check if Rx sends defer */
+ val = readl(&edp->regs->aux_rx_comm);
+ if (val == AUX_RX_COMM_AUX_DEFER ||
+ val == AUX_RX_COMM_I2C_DEFER) {
+ edp_debug("Defer: %d\n\n", val);
+ defer = 1;
+ }
+ }
+
+ if (retval)
+ return -1;
+
+ for (cur_data_idx = 0; cur_data_idx < 16; cur_data_idx++) {
+ val = readl(&edp->regs->buf_data[cur_data_idx]);
+ edid[i + cur_data_idx] = (u8)val;
+ }
+ }
+
+ return retval;
+}
+
+static int rk_edp_read_edid(struct rk_edp *edp, struct edid *edid)
+{
+ u8 buf[EDID_LENGTH * 2];
+ int retval;
+
+ /* Read EDID data */
+ retval = rk_edp_read_bytes_from_i2c(edp, EDID_ADDR,
+ EDID_HEADER, EDID_LENGTH,
+ &buf[EDID_HEADER]);
+ if (retval != 0) {
+ printk(BIOS_ERR, "EDID Read failed!\n");
+ return -1;
+ }
+
+ /* check if edid have extension flag, and read additional EDID data */
+ if (buf[EDID_EXTENSION_FLAG]) {
+ retval = rk_edp_read_bytes_from_i2c(edp, EDID_ADDR,
+ EDID_LENGTH, EDID_LENGTH,
+ &buf[EDID_LENGTH]);
+ if (retval != 0) {
+ printk(BIOS_ERR, "EDID Read failed!\n");
+ return -1;
+ }
+ }
+
+ if (decode_edid(buf, sizeof(buf), edid)) {
+ printk(BIOS_ERR, "%s: Failed to decode EDID.\n",
+ __func__);
+ return -1;
+ }
+
+ edp_debug("EDID Read success!\n");
+ return 0;
+}
+
+static int rk_edp_set_link_train(struct rk_edp *edp)
+{
+ int retval;
+
+ if (rk_edp_init_training(edp)) {
+ printk(BIOS_ERR, "DP LT init failed!\n");
+ return -1;
+ }
+
+ retval = rk_edp_hw_link_training(edp);
+
+ return retval;
+}
+
+static void rk_edp_init_video(struct rk_edp *edp)
+{
+ u32 val;
+
+ val = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG;
+ writel(val, &edp->regs->common_int_sta_1);
+
+ val = CHA_CRI(4) | CHA_CTRL;
+ writel(val, &edp->regs->sys_ctl_2);
+
+ val = VID_HRES_TH(2) | VID_VRES_TH(0);
+ writel(val, &edp->regs->video_ctl_8);
+}
+
+static void rk_edp_config_video_slave_mode(struct rk_edp *edp)
+{
+ clrbits_le32(&edp->regs->func_en_1,
+ VID_FIFO_FUNC_EN_N | VID_CAP_FUNC_EN_N);
+}
+
+static void rk_edp_set_video_cr_mn(struct rk_edp *edp,
+ enum clock_recovery_m_value_type type,
+ u32 m_value,
+ u32 n_value)
+{
+ u32 val;
+
+ if (type == REGISTER_M) {
+ setbits_le32(&edp->regs->sys_ctl_4, FIX_M_VID);
+ val = m_value & 0xff;
+ writel(val, &edp->regs->m_vid_0);
+ val = (m_value >> 8) & 0xff;
+ writel(val, &edp->regs->m_vid_1);
+ val = (m_value >> 16) & 0xff;
+ writel(val, &edp->regs->m_vid_2);
+
+ val = n_value & 0xff;
+ writel(val, &edp->regs->n_vid_0);
+ val = (n_value >> 8) & 0xff;
+ writel(val, &edp->regs->n_vid_1);
+ val = (n_value >> 16) & 0xff;
+ writel(val, &edp->regs->n_vid_2);
+ } else {
+ clrbits_le32(&edp->regs->sys_ctl_4, FIX_M_VID);
+
+ writel(0x00, &edp->regs->n_vid_0);
+ writel(0x80, &edp->regs->n_vid_1);
+ writel(0x00, &edp->regs->n_vid_2);
+ }
+}
+
+static int rk_edp_is_video_stream_clock_on(struct rk_edp *edp)
+{
+ u32 val;
+ struct stopwatch sw;
+
+ stopwatch_init_msecs_expire(&sw, 100);
+ do {
+ val = readl(&edp->regs->sys_ctl_1);
+
+ /*must write value to update DET_STA bit status*/
+ writel(val, &edp->regs->sys_ctl_1);
+ val = readl(&edp->regs->sys_ctl_1);
+ if (!(val & DET_STA))
+ continue;
+
+ val = readl(&edp->regs->sys_ctl_2);
+
+ /*must write value to update CHA_STA bit status*/
+ writel(val, &edp->regs->sys_ctl_2);
+ val = readl(&edp->regs->sys_ctl_2);
+ if (!(val & CHA_STA))
+ return 0;
+ } while (!stopwatch_expired(&sw));
+
+ return -1;
+}
+
+static int rk_edp_is_video_stream_on(struct rk_edp *edp)
+{
+ u32 val;
+ struct stopwatch sw;
+
+ stopwatch_init_msecs_expire(&sw, 100);
+ do {
+ val = readl(&edp->regs->sys_ctl_3);
+
+ /*must write value to update STRM_VALID bit status*/
+ writel(val, &edp->regs->sys_ctl_3);
+
+ val = readl(&edp->regs->sys_ctl_3);
+ if (!(val & STRM_VALID))
+ return 0;
+ } while (!stopwatch_expired(&sw));
+
+ return -1;
+}
+
+static int rk_edp_config_video(struct rk_edp *edp)
+{
+ rk_edp_config_video_slave_mode(edp);
+
+ if (rk_edp_get_pll_lock_status(edp) == DP_PLL_UNLOCKED) {
+ edp_debug("PLL is not locked yet.\n");
+ return -1;
+ }
+
+ if (rk_edp_is_video_stream_clock_on(edp))
+ return -1;
+
+ /* Set to use the register calculated M/N video */
+ rk_edp_set_video_cr_mn(edp, CALCULATED_M, 0, 0);
+
+ /* For video bist, Video timing must be generated by register */
+ clrbits_le32(&edp->regs->video_ctl_10, F_SEL);
+
+ /* Disable video mute */
+ clrbits_le32(&edp->regs->video_ctl_1, VIDEO_MUTE);
+
+ /* Enable video at next frame */
+ setbits_le32(&edp->regs->video_ctl_1, VIDEO_EN);
+
+ return rk_edp_is_video_stream_on(edp);
+}
+
+int rk_edp_get_edid(struct edid *edid)
+{
+ int i;
+ int retval;
+
+ /* Read EDID */
+ for (i = 0; i < 3; i++) {
+ retval = rk_edp_read_edid(&rk_edp, edid);
+ if (retval == 0)
+ break;
+ }
+
+ return retval;
+}
+
+int rk_edp_enable(void)
+{
+ int ret = 0;
+
+ if (rk_edp_set_link_train(&rk_edp)) {
+ printk(BIOS_ERR, "link train failed!\n");
+ return -1;
+ }
+
+ rk_edp_init_video(&rk_edp);
+ ret = rk_edp_config_video(&rk_edp);
+ if (ret)
+ printk(BIOS_ERR, "config video failed\n");
+
+ return ret;
+}
+
+void rk_edp_init(u32 vop_id)
+{
+ u32 val;
+
+ rk_edp.regs = (struct rk3288_edp_regs *)EDP_BASE;
+
+ /* grf_edp_ref_clk_sel: from internal 24MHz or 27MHz clock */
+ writel(RK_SETBITS(1 << 4), &rk3288_grf->soc_con12);
+
+ /* select epd signal from vop0 or vop1 */
+ val = (vop_id == 1) ? RK_SETBITS(1 << 5) : RK_CLRBITS(1 << 5);
+ writel(val, &rk3288_grf->soc_con6);
+
+ rk_edp_reset(&rk_edp);
+ rk_edp_init_refclk(&rk_edp);
+ rk_edp_init_interrupt(&rk_edp);
+ rk_edp_enable_sw_function(&rk_edp);
+ rk_edp_init_analog_func(&rk_edp);
+ rk_edp_init_aux(&rk_edp);
+}
diff --git a/src/soc/rockchip/rk3288/include/soc/addressmap.h b/src/soc/rockchip/rk3288/include/soc/addressmap.h
index aea3bc0081..9be7f7bd0e 100644
--- a/src/soc/rockchip/rk3288/include/soc/addressmap.h
+++ b/src/soc/rockchip/rk3288/include/soc/addressmap.h
@@ -79,8 +79,10 @@
#define TIMER7_BASE 0xFF810020
#define VOP_BIG_BASE 0xFF930000
+#define VOP_LIT_BASE 0xFF940000
+#define EDP_BASE 0xFF970000
+
#define HDMI_TX_BASE 0xFF980000
-#define DMACS_BUS_BASE 0xFFB20000
#define SERVICE_CORE_BASE 0xFFA80000
#define SERVICE_DMA_BASE 0xFFA90000
diff --git a/src/soc/rockchip/rk3288/include/soc/clock.h b/src/soc/rockchip/rk3288/include/soc/clock.h
index d11c6ec0f3..f17428da58 100644
--- a/src/soc/rockchip/rk3288/include/soc/clock.h
+++ b/src/soc/rockchip/rk3288/include/soc/clock.h
@@ -27,6 +27,7 @@
#define APLL_HZ (1800*MHz)
#define GPLL_HZ (594*MHz)
#define CPLL_HZ (384*MHz)
+#define NPLL_HZ (384*MHz)
#define PD_BUS_ACLK_HZ (148500*KHz)
#define PD_BUS_HCLK_HZ (148500*KHz)
@@ -44,5 +45,7 @@ void rkclk_configure_ddr(unsigned int hz);
void rkclk_configure_i2s(unsigned int hz);
void rkclk_configure_cpu(void);
void rkclk_configure_tsadc(unsigned int hz);
-
+void rkclk_configure_vop_aclk(u32 vop_id, u32 aclk_hz);
+int rkclk_configure_vop_dclk(u32 vop_id, u32 dclk_hz);
+void rkclk_configure_edp(void);
#endif /* __SOC_ROCKCHIP_RK3288_CLOCK_H__ */
diff --git a/src/soc/rockchip/rk3288/include/soc/display.h b/src/soc/rockchip/rk3288/include/soc/display.h
new file mode 100644
index 0000000000..8353c8a1b3
--- /dev/null
+++ b/src/soc/rockchip/rk3288/include/soc/display.h
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3288_DISPLAY_H__
+#define __SOC_ROCKCHIP_RK3288_DISPLAY_H__
+
+void rk_display_init(device_t dev, u32 lcdbase,
+ unsigned long fb_size);
+
+#endif
+
+
+
+
diff --git a/src/soc/rockchip/rk3288/include/soc/edp.h b/src/soc/rockchip/rk3288/include/soc/edp.h
new file mode 100644
index 0000000000..fac1b81f31
--- /dev/null
+++ b/src/soc/rockchip/rk3288/include/soc/edp.h
@@ -0,0 +1,666 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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
+ */
+
+#ifndef __RK32_DP_H
+#define __RK32_DP_H
+
+#include <edid.h>
+#include <stdlib.h>
+
+struct rk3288_edp_regs {
+ u8 res0[0x10];
+ u32 dp_tx_version;
+ u8 res1[0x4];
+ u32 func_en_1;
+ u32 func_en_2;
+ u32 video_ctl_1;
+ u32 video_ctl_2;
+ u32 video_ctl_3;
+ u32 video_ctl_4;
+ u8 res2[0xc];
+ u32 video_ctl_8;
+ u8 res3[0x4];
+ u32 video_ctl_10;
+ u32 total_line_l;
+ u32 total_line_h;
+ u32 active_line_l;
+ u32 active_line_h;
+ u32 v_f_porch;
+ u32 vsync;
+ u32 v_b_porch;
+ u32 total_pixel_l;
+ u32 total_pixel_h;
+ u32 active_pixel_l;
+ u32 active_pixel_h;
+ u32 h_f_porch_l;
+ u32 h_f_porch_h;
+ u32 hsync_l;
+ u32 hysnc_h;
+ u32 h_b_porch_l;
+ u32 h_b_porch_h;
+ u32 vid_status;
+ u32 total_line_sta_l;
+ u32 total_line_sta_h;
+ u32 active_line_sta_l;
+ u32 active_line_sta_h;
+ u32 v_f_porch_sta;
+ u32 vsync_sta;
+ u32 v_b_porch_sta;
+ u32 total_pixel_sta_l;
+ u32 total_pixel_sta_h;
+ u32 active_pixel_sta_l;
+ u32 active_pixel_sta_h;
+ u32 h_f_porch_sta_l;
+ u32 h_f_porch_sta_h;
+ u32 hsync_sta_l;
+ u32 hsync_sta_h;
+ u32 h_b_porch_sta_l;
+ u32 h_b_porch__sta_h;
+ u8 res4[0x28];
+ u32 pll_reg_1;
+ u8 res5[4];
+ u32 ssc_reg;
+ u8 res6[0xc];
+ u32 tx_common;
+ u32 tx_common2;
+ u8 res7[0x4];
+ u32 dp_aux;
+ u32 dp_bias;
+ u32 dp_test;
+ u32 dp_pd;
+ u32 dp_reserv1;
+ u32 dp_reserv2;
+ u8 res8[0x224];
+ u32 lane_map;
+ u8 res9[0x14];
+ u32 analog_ctl_2;
+ u8 res10[0x48];
+ u32 int_state;
+ u32 common_int_sta_1;
+ u32 common_int_sta_2;
+ u32 common_int_sta_3;
+ u32 common_int_sta_4;
+ u32 spdif_biphase_int_sta;
+ u8 res11[0x4];
+ u32 dp_int_sta;
+ u32 common_int_mask_1;
+ u32 common_int_mask_2;
+ u32 common_int_mask_3;
+ u32 common_int_mask_4;
+ u8 res12[0x08];
+ u32 int_sta_mask;
+ u32 int_ctl;
+ u8 res13[0x200];
+ u32 sys_ctl_1;
+ u32 sys_ctl_2;
+ u32 sys_ctl_3;
+ u32 sys_ctl_4;
+ u32 dp_vid_ctl;
+ u8 res14[0x4];
+ u32 dp_aud_ctl;
+ u8 res15[0x24];
+ u32 pkt_send_ctl;
+ u8 res16[0x4];
+ u32 dp_hdcp_ctl;
+ u8 res17[0x34];
+ u32 link_bw_set;
+ u32 lane_count_set;
+ u32 dp_training_ptn_set;
+ u32 ln_link_trn_ctl[4];
+ u8 res18[0x4];
+ u32 dp_hw_link_training;
+ u8 res19[0x1c];
+ u32 dp_debug_ctl;
+ u32 hpd_deglitch_l;
+ u32 hpd_deglitch_h;
+ u8 res20[0x14];
+ u32 dp_link_debug_ctl;
+ u8 res21[0x1c];
+ u32 m_vid_0;
+ u32 m_vid_1;
+ u32 m_vid_2;
+ u32 n_vid_0;
+ u32 n_vid_1;
+ u32 n_vid_2;
+ u32 m_vid_mon;
+ u8 res22[0x14];
+ u32 dp_video_fifo_thrd;
+ u8 res23[0x8];
+ u32 dp_audio_margin;
+ u8 res24[0x20];
+ u32 dp_m_cal_ctl;
+ u32 m_vid_gen_filter_th;
+ u8 res25[0x10];
+ u32 m_aud_gen_filter_th;
+ u8 res26[0x4];
+ u32 aux_ch_sta;
+ u32 aux_err_num;
+ u32 aux_ch_defer_dtl;
+ u32 aux_rx_comm;
+ u32 buf_data_ctl;
+ u32 aux_ch_ctl_1;
+ u32 aux_addr_7_0;
+ u32 aux_addr_15_8;
+ u32 aux_addr_19_16;
+ u32 aux_ch_ctl_2;
+ u8 res27[0x18];
+ u32 buf_data[16];
+ u32 soc_general_ctl;
+ u8 res29[0x1e0];
+ u32 pll_reg_2;
+ u32 pll_reg_3;
+ u32 pll_reg_4;
+ u8 res30[0x10];
+ u32 pll_reg_5;
+};
+check_member(rk3288_edp_regs, pll_reg_5, 0xa00);
+
+/* func_en_1 */
+#define VID_CAP_FUNC_EN_N (0x1 << 6)
+#define VID_FIFO_FUNC_EN_N (0x1 << 5)
+#define AUD_FIFO_FUNC_EN_N (0x1 << 4)
+#define AUD_FUNC_EN_N (0x1 << 3)
+#define HDCP_FUNC_EN_N (0x1 << 2)
+#define SW_FUNC_EN_N (0x1 << 0)
+
+/* func_en_2 */
+#define SSC_FUNC_EN_N (0x1 << 7)
+#define AUX_FUNC_EN_N (0x1 << 2)
+#define SERDES_FIFO_FUNC_EN_N (0x1 << 1)
+#define LS_CLK_DOMAIN_FUNC_EN_N (0x1 << 0)
+
+/* video_ctl_1 */
+#define VIDEO_EN (0x1 << 7)
+#define VIDEO_MUTE (0x1 << 6)
+
+/* video_ctl_2 */
+#define IN_D_RANGE_MASK (0x1 << 7)
+#define IN_D_RANGE_SHIFT (7)
+#define IN_D_RANGE_CEA (0x1 << 7)
+#define IN_D_RANGE_VESA (0x0 << 7)
+#define IN_BPC_MASK (0x7 << 4)
+#define IN_BPC_SHIFT (4)
+#define IN_BPC_12_BITS (0x3 << 4)
+#define IN_BPC_10_BITS (0x2 << 4)
+#define IN_BPC_8_BITS (0x1 << 4)
+#define IN_BPC_6_BITS (0x0 << 4)
+#define IN_COLOR_F_MASK (0x3 << 0)
+#define IN_COLOR_F_SHIFT (0)
+#define IN_COLOR_F_YCBCR444 (0x2 << 0)
+#define IN_COLOR_F_YCBCR422 (0x1 << 0)
+#define IN_COLOR_F_RGB (0x0 << 0)
+
+/* video_ctl_3 */
+#define IN_YC_COEFFI_MASK (0x1 << 7)
+#define IN_YC_COEFFI_SHIFT (7)
+#define IN_YC_COEFFI_ITU709 (0x1 << 7)
+#define IN_YC_COEFFI_ITU601 (0x0 << 7)
+#define VID_CHK_UPDATE_TYPE_MASK (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_SHIFT (4)
+#define VID_CHK_UPDATE_TYPE_1 (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_0 (0x0 << 4)
+
+/* video_ctl_4 */
+#define BIST_EN (0x1 << 3)
+#define BIST_WH_64 (0x1 << 2)
+#define BIST_WH_32 (0x0 << 2)
+#define BIST_TYPE_COLR_BAR (0x0 << 0)
+#define BIST_TYPE_GRAY_BAR (0x1 << 0)
+#define BIST_TYPE_MOBILE_BAR (0x2 << 0)
+
+/* video_ctl_8 */
+#define VID_HRES_TH(x) (((x) & 0xf) << 4)
+#define VID_VRES_TH(x) (((x) & 0xf) << 0)
+
+/* video_ctl_10 */
+#define F_SEL (0x1 << 4)
+#define INTERACE_SCAN_CFG (0x1 << 2)
+#define INTERACD_SCAN_CFG_OFFSET 2
+#define VSYNC_POLARITY_CFG (0x1 << 1)
+#define VSYNC_POLARITY_CFG_OFFSET 1
+#define HSYNC_POLARITY_CFG (0x1 << 0)
+#define HSYNC_POLARITY_CFG_OFFSET 0
+
+/* dp_pd */
+#define PD_INC_BG (0x1 << 7)
+#define PD_EXP_BG (0x1 << 6)
+#define PD_AUX (0x1 << 5)
+#define PD_PLL (0x1 << 4)
+#define PD_CH3 (0x1 << 3)
+#define PD_CH2 (0x1 << 2)
+#define PD_CH1 (0x1 << 1)
+#define PD_CH0 (0x1 << 0)
+
+/* pll_reg_1 */
+#define REF_CLK_24M (0x1 << 1)
+#define REF_CLK_27M (0x0 << 1)
+
+/* line_map */
+#define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6)
+#define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6)
+#define LANE3_MAP_LOGIC_LANE_2 (0x2 << 6)
+#define LANE3_MAP_LOGIC_LANE_3 (0x3 << 6)
+#define LANE2_MAP_LOGIC_LANE_0 (0x0 << 4)
+#define LANE2_MAP_LOGIC_LANE_1 (0x1 << 4)
+#define LANE2_MAP_LOGIC_LANE_2 (0x2 << 4)
+#define LANE2_MAP_LOGIC_LANE_3 (0x3 << 4)
+#define LANE1_MAP_LOGIC_LANE_0 (0x0 << 2)
+#define LANE1_MAP_LOGIC_LANE_1 (0x1 << 2)
+#define LANE1_MAP_LOGIC_LANE_2 (0x2 << 2)
+#define LANE1_MAP_LOGIC_LANE_3 (0x3 << 2)
+#define LANE0_MAP_LOGIC_LANE_0 (0x0 << 0)
+#define LANE0_MAP_LOGIC_LANE_1 (0x1 << 0)
+#define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0)
+#define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0)
+
+/* analog_ctl_2 */
+#define SEL_24M (0x1 << 3)
+
+/* common_int_sta_1 */
+#define VSYNC_DET (0x1 << 7)
+#define PLL_LOCK_CHG (0x1 << 6)
+#define SPDIF_ERR (0x1 << 5)
+#define SPDIF_UNSTBL (0x1 << 4)
+#define VID_FORMAT_CHG (0x1 << 3)
+#define AUD_CLK_CHG (0x1 << 2)
+#define VID_CLK_CHG (0x1 << 1)
+#define SW_INT (0x1 << 0)
+
+/* common_int_sta_2 */
+#define ENC_EN_CHG (0x1 << 6)
+#define HW_BKSV_RDY (0x1 << 3)
+#define HW_SHA_DONE (0x1 << 2)
+#define HW_AUTH_STATE_CHG (0x1 << 1)
+#define HW_AUTH_DONE (0x1 << 0)
+
+/* common_int_sta_3 */
+#define AFIFO_UNDER (0x1 << 7)
+#define AFIFO_OVER (0x1 << 6)
+#define R0_CHK_FLAG (0x1 << 5)
+
+/* common_int_sta_4 */
+#define PSR_ACTIVE (0x1 << 7)
+#define PSR_INACTIVE (0x1 << 6)
+#define SPDIF_BI_PHASE_ERR (0x1 << 5)
+#define HOTPLUG_CHG (0x1 << 2)
+#define HPD_LOST (0x1 << 1)
+#define PLUG (0x1 << 0)
+
+/* dp_int_sta */
+#define INT_HPD (0x1 << 6)
+#define HW_LT_DONE (0x1 << 5)
+#define SINK_LOST (0x1 << 3)
+#define LINK_LOST (0x1 << 2)
+#define RPLY_RECEIV (0x1 << 1)
+#define AUX_ERR (0x1 << 0)
+
+/* int_ctl */
+#define SOFT_INT_CTRL (0x1 << 2)
+#define INT_POL (0x1 << 0)
+
+/* sys_ctl_1 */
+#define DET_STA (0x1 << 2)
+#define FORCE_DET (0x1 << 1)
+#define DET_CTRL (0x1 << 0)
+
+/* sys_ctl_2 */
+#define CHA_CRI(x) (((x) & 0xf) << 4)
+#define CHA_STA (0x1 << 2)
+#define FORCE_CHA (0x1 << 1)
+#define CHA_CTRL (0x1 << 0)
+
+/* sys_ctl_3 */
+#define HPD_STATUS (0x1 << 6)
+#define F_HPD (0x1 << 5)
+#define HPD_CTRL (0x1 << 4)
+#define HDCP_RDY (0x1 << 3)
+#define STRM_VALID (0x1 << 2)
+#define F_VALID (0x1 << 1)
+#define VALID_CTRL (0x1 << 0)
+
+/* sys_ctl_4 */
+#define FIX_M_AUD (0x1 << 4)
+#define ENHANCED (0x1 << 3)
+#define FIX_M_VID (0x1 << 2)
+#define M_VID_UPDATE_CTRL (0x3 << 0)
+
+/* pll_reg_2 */
+#define LDO_OUTPUT_V_SEL_145 (2 << 6)
+#define KVCO_DEFALUT (1 << 4)
+#define CHG_PUMP_CUR_SEL_5US (1 << 2)
+#define V2L_CUR_SEL_1MA (1 << 0)
+
+/* pll_reg_3 */
+#define LOCK_DET_CNT_SEL_256 (2 << 5)
+#define LOOP_FILTER_RESET (0 << 4)
+#define PALL_SSC_RESET (0 << 3)
+#define LOCK_DET_BYPASS (0 << 2)
+#define PLL_LOCK_DET_MODE (0 << 1)
+#define PLL_LOCK_DET_FORCE (0 << 0)
+
+/* pll_reg_5 */
+#define REGULATOR_V_SEL_950MV (2 << 4)
+#define STANDBY_CUR_SEL (0 << 3)
+#define CHG_PUMP_INOUT_CTRL_1200MV (1 << 1)
+#define CHG_PUMP_INPUT_CTRL_OP (0 << 0)
+
+/* ssc_reg */
+#define SSC_OFFSET (0 << 6)
+#define SSC_MODE (1 << 4)
+#define SSC_DEPTH (9 << 0)
+
+/* tx_common */
+#define TX_SWING_PRE_EMP_MODE (1 << 7)
+#define PRE_DRIVER_PW_CTRL1 (0 << 5)
+#define LP_MODE_CLK_REGULATOR (0 << 4)
+#define RESISTOR_MSB_CTRL (0 << 3)
+#define RESISTOR_CTRL (7 << 0)
+
+/* dp_aux */
+#define DP_AUX_COMMON_MODE (0 << 4)
+#define DP_AUX_EN (0 << 3)
+#define AUX_TERM_50OHM (3 << 0)
+
+/* dp_bias */
+#define DP_BG_OUT_SEL (4 << 4)
+#define DP_DB_CUR_CTRL (0 << 3)
+#define DP_BG_SEL (1 << 2)
+#define DP_RESISTOR_TUNE_BG (2 << 0)
+
+/* dp_reserv2 */
+#define CH1_CH3_SWING_EMP_CTRL (5 << 4)
+#define CH0_CH2_SWING_EMP_CTRL (5 << 0)
+
+/* dp_training_ptn_set */
+#define SCRAMBLING_DISABLE (0x1 << 5)
+#define SCRAMBLING_ENABLE (0x0 << 5)
+#define LINK_QUAL_PATTERN_SET_MASK (0x7 << 2)
+#define LINK_QUAL_PATTERN_SET_HBR2 (0x5 << 2)
+#define LINK_QUAL_PATTERN_SET_80BIT (0x4 << 2)
+#define LINK_QUAL_PATTERN_SET_PRBS7 (0x3 << 2)
+#define LINK_QUAL_PATTERN_SET_D10_2 (0x1 << 2)
+#define LINK_QUAL_PATTERN_SET_DISABLE (0x0 << 2)
+#define SW_TRAINING_PATTERN_SET_MASK (0x3 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN2 (0x2 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN1 (0x1 << 0)
+#define SW_TRAINING_PATTERN_SET_DISABLE (0x0 << 0)
+
+/* dp_hw_link_training_ctl */
+#define HW_LT_ERR_CODE_MASK 0x70
+#define HW_LT_ERR_CODE_SHIFT 4
+#define HW_LT_EN (0x1 << 0)
+
+/* dp_debug_ctl */
+#define PLL_LOCK (0x1 << 4)
+#define F_PLL_LOCK (0x1 << 3)
+#define PLL_LOCK_CTRL (0x1 << 2)
+#define POLL_EN (0x1 << 1)
+#define PN_INV (0x1 << 0)
+
+/* aux_ch_sta */
+#define AUX_BUSY (0x1 << 4)
+#define AUX_STATUS_MASK (0xf << 0)
+
+/* aux_ch_defer_ctl */
+#define DEFER_CTRL_EN (0x1 << 7)
+#define DEFER_COUNT(x) (((x) & 0x7f) << 0)
+
+/* aux_rx_comm */
+#define AUX_RX_COMM_I2C_DEFER (0x2 << 2)
+#define AUX_RX_COMM_AUX_DEFER (0x2 << 0)
+
+/* buffer_data_ctl */
+#define BUF_CLR (0x1 << 7)
+#define BUF_HAVE_DATA (0x1 << 4)
+#define BUF_DATA_COUNT(x) (((x) & 0xf) << 0)
+
+/* aux_ch_ctl_1 */
+#define AUX_LENGTH(x) (((x - 1) & 0xf) << 4)
+#define AUX_TX_COMM_MASK (0xf << 0)
+#define AUX_TX_COMM_DP_TRANSACTION (0x1 << 3)
+#define AUX_TX_COMM_I2C_TRANSACTION (0x0 << 3)
+#define AUX_TX_COMM_MOT (0x1 << 2)
+#define AUX_TX_COMM_WRITE (0x0 << 0)
+#define AUX_TX_COMM_READ (0x1 << 0)
+
+/* aux_ch_ctl_2 */
+#define PD_AUX_IDLE (0x1 << 3)
+#define ADDR_ONLY (0x1 << 1)
+#define AUX_EN (0x1 << 0)
+
+/* tx_sw_reset */
+#define RST_DP_TX (0x1 << 0)
+
+/* analog_ctl_1 */
+#define TX_TERMINAL_CTRL_50_OHM (0x1 << 4)
+
+/* analog_ctl_3 */
+#define DRIVE_DVDD_BIT_1_0625V (0x4 << 5)
+#define VCO_BIT_600_MICRO (0x5 << 0)
+
+/* pll_filter_ctl_1 */
+#define PD_RING_OSC (0x1 << 6)
+#define AUX_TERMINAL_CTRL_37_5_OHM (0x0 << 4)
+#define AUX_TERMINAL_CTRL_45_OHM (0x1 << 4)
+#define AUX_TERMINAL_CTRL_50_OHM (0x2 << 4)
+#define AUX_TERMINAL_CTRL_65_OHM (0x3 << 4)
+#define TX_CUR1_2X (0x1 << 2)
+#define TX_CUR_16_MA (0x3 << 0)
+
+/* Definition for DPCD Register */
+#define DPCD_DPCD_REV (0x0000)
+#define DPCD_MAX_LINK_RATE (0x0001)
+#define DPCD_MAX_LANE_COUNT (0x0002)
+#define DP_MAX_LANE_COUNT_MASK 0x1f
+#define DP_TPS3_SUPPORTED (1 << 6)
+#define DP_ENHANCED_FRAME_CAP (1 << 7)
+
+#define DPCD_LINK_BW_SET (0x0100)
+#define DPCD_LANE_COUNT_SET (0x0101)
+
+#define DPCD_TRAINING_PATTERN_SET (0x0102)
+#define DP_TRAINING_PATTERN_DISABLE 0
+#define DP_TRAINING_PATTERN_1 1
+#define DP_TRAINING_PATTERN_2 2
+#define DP_TRAINING_PATTERN_3 3
+#define DP_TRAINING_PATTERN_MASK 0x3
+
+#define DPCD_TRAINING_LANE0_SET (0x0103)
+#define DP_TRAIN_VOLTAGE_SWING_MASK 0x3
+#define DP_TRAIN_VOLTAGE_SWING_SHIFT 0
+#define DP_TRAIN_MAX_SWING_REACHED (1 << 2)
+#define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_600 (1 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_800 (2 << 0)
+#define DP_TRAIN_VOLTAGE_SWING_1200 (3 << 0)
+
+#define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_0 (0 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_3_5 (1 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_6 (2 << 3)
+#define DP_TRAIN_PRE_EMPHASIS_9_5 (3 << 3)
+
+#define DP_TRAIN_PRE_EMPHASIS_SHIFT 3
+#define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5)
+
+#define DPCD_LANE0_1_STATUS (0x0202)
+#define DPCD_LANE2_3_STATUS (0x0203)
+#define DP_LANE_CR_DONE (1 << 0)
+#define DP_LANE_CHANNEL_EQ_DONE (1 << 1)
+#define DP_LANE_SYMBOL_LOCKED (1 << 2)
+#define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE |\
+ DP_LANE_CHANNEL_EQ_DONE |\
+ DP_LANE_SYMBOL_LOCKED)
+
+#define DPCD_LANE_ALIGN_STATUS_UPDATED (0x0204)
+#define DP_INTERLANE_ALIGN_DONE (1 << 0)
+#define DP_DOWNSTREAM_PORT_STATUS_CHANGED (1 << 6)
+#define DP_LINK_STATUS_UPDATED (1 << 7)
+
+#define DPCD_ADJUST_REQUEST_LANE0_1 (0x0206)
+#define DPCD_ADJUST_REQUEST_LANE2_3 (0x0207)
+#define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK 0x03
+#define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
+#define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK 0x0c
+#define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT 2
+#define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK 0x30
+#define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
+#define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK 0xc0
+#define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT 6
+
+#define DPCD_TEST_REQUEST (0x0218)
+#define DPCD_TEST_RESPONSE (0x0260)
+#define DPCD_TEST_EDID_CHECKSUM (0x0261)
+#define DPCD_LINK_POWER_STATE (0x0600)
+#define DP_SET_POWER_D0 0x1
+#define DP_SET_POWER_D3 0x2
+#define DP_SET_POWER_MASK 0x3
+
+#define AUX_ADDR_7_0(x) (((x) >> 0) & 0xff)
+#define AUX_ADDR_15_8(x) (((x) >> 8) & 0xff)
+#define AUX_ADDR_19_16(x) (((x) >> 16) & 0x0f)
+
+#define STREAM_ON_TIMEOUT 100
+#define PLL_LOCK_TIMEOUT 10
+#define DP_INIT_TRIES 10
+
+#define EDID_ADDR 0x50
+#define EDID_LENGTH 0x80
+#define EDID_HEADER 0x00
+#define EDID_EXTENSION_FLAG 0x7e
+
+
+enum dpcd_request {
+ DPCD_READ,
+ DPCD_WRITE,
+};
+
+enum dp_irq_type {
+ DP_IRQ_TYPE_HP_CABLE_IN,
+ DP_IRQ_TYPE_HP_CABLE_OUT,
+ DP_IRQ_TYPE_HP_CHANGE,
+ DP_IRQ_TYPE_UNKNOWN,
+};
+
+enum color_coefficient {
+ COLOR_YCBCR601,
+ COLOR_YCBCR709
+};
+
+enum dynamic_range {
+ VESA,
+ CEA
+};
+
+enum pll_status {
+ DP_PLL_UNLOCKED,
+ DP_PLL_LOCKED
+};
+
+enum clock_recovery_m_value_type {
+ CALCULATED_M,
+ REGISTER_M
+};
+
+enum video_timing_recognition_type {
+ VIDEO_TIMING_FROM_CAPTURE,
+ VIDEO_TIMING_FROM_REGISTER
+};
+
+enum pattern_set {
+ PRBS7,
+ D10_2,
+ TRAINING_PTN1,
+ TRAINING_PTN2,
+ DP_NONE
+};
+
+enum color_space {
+ CS_RGB,
+ CS_YCBCR422,
+ CS_YCBCR444
+};
+
+enum color_depth {
+ COLOR_6,
+ COLOR_8,
+ COLOR_10,
+ COLOR_12
+};
+
+enum link_rate_type {
+ LINK_RATE_1_62GBPS = 0x06,
+ LINK_RATE_2_70GBPS = 0x0a
+};
+
+enum link_lane_count_type {
+ LANE_CNT1 = 1,
+ LANE_CNT2 = 2,
+ LANE_CNT4 = 4
+};
+
+enum link_training_state {
+ LT_START,
+ LT_CLK_RECOVERY,
+ LT_EQ_TRAINING,
+ FINISHED,
+ FAILED
+};
+
+enum voltage_swing_level {
+ VOLTAGE_LEVEL_0,
+ VOLTAGE_LEVEL_1,
+ VOLTAGE_LEVEL_2,
+ VOLTAGE_LEVEL_3,
+};
+
+enum pre_emphasis_level {
+ PRE_EMPHASIS_LEVEL_0,
+ PRE_EMPHASIS_LEVEL_1,
+ PRE_EMPHASIS_LEVEL_2,
+ PRE_EMPHASIS_LEVEL_3,
+};
+
+enum analog_power_block {
+ AUX_BLOCK,
+ CH0_BLOCK,
+ CH1_BLOCK,
+ CH2_BLOCK,
+ CH3_BLOCK,
+ ANALOG_TOTAL,
+ POWER_ALL
+};
+
+struct link_train {
+ unsigned char revision;
+ u8 link_rate;
+ u8 lane_count;
+};
+
+struct rk_edp {
+ struct rk3288_edp_regs *regs;
+ struct link_train link_train;
+ u8 train_set[4];
+};
+
+int rk_edp_enable(void);
+void rk_edp_init(u32 vop_id);
+int rk_edp_get_edid(struct edid *edid);
+
+#endif
diff --git a/src/soc/rockchip/rk3288/include/soc/soc.h b/src/soc/rockchip/rk3288/include/soc/soc.h
index 00f35b2f3c..c6ab7f46f6 100644
--- a/src/soc/rockchip/rk3288/include/soc/soc.h
+++ b/src/soc/rockchip/rk3288/include/soc/soc.h
@@ -27,7 +27,7 @@
#define RK_SETBITS(set) RK_CLRSETBITS(0, set)
#define RK_CLRBITS(clr) RK_CLRSETBITS(clr, 0)
-#define FB_SIZE_KB 4096
+#define FB_SIZE_KB 8192
#define RAM_BASE_KB ((uintptr_t)_dram >> 10)
#define RAM_SIZE_KB (CONFIG_DRAM_SIZE_MB << 10UL)
diff --git a/src/soc/rockchip/rk3288/include/soc/vop.h b/src/soc/rockchip/rk3288/include/soc/vop.h
new file mode 100644
index 0000000000..3766a7b879
--- /dev/null
+++ b/src/soc/rockchip/rk3288/include/soc/vop.h
@@ -0,0 +1,356 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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
+ */
+
+#ifndef _RK3288_LCD_H_
+#define _RK3288_LCD_H_
+#include <stdint.h>
+#include <edid.h>
+
+struct rk3288_vop_regs {
+ u32 reg_cfg_done;
+ u32 version_info;
+ u32 sys_ctrl;
+ u32 sys_ctrl1;
+ u32 dsp_ctrl0;
+ u32 dsp_ctrl1;
+ u32 dsp_bg;
+ u32 mcu_ctrl;
+ u32 intr_ctrl0;
+ u32 intr_ctrl1;
+ u32 intr_reserved0;
+ u32 intr_reserved1;
+
+ u32 win0_ctrl0;
+ u32 win0_ctrl1;
+ u32 win0_color_key;
+ u32 win0_vir;
+ u32 win0_yrgb_mst;
+ u32 win0_cbr_mst;
+ u32 win0_act_info;
+ u32 win0_dsp_info;
+ u32 win0_dsp_st;
+ u32 win0_scl_factor_yrgb;
+ u32 win0_scl_factor_cbr;
+ u32 win0_scl_offset;
+ u32 win0_src_alpha_ctrl;
+ u32 win0_dst_alpha_ctrl;
+ u32 win0_fading_ctrl;
+ u32 win0_reserved0;
+
+ u32 win1_ctrl0;
+ u32 win1_ctrl1;
+ u32 win1_color_key;
+ u32 win1_vir;
+ u32 win1_yrgb_mst;
+ u32 win1_cbr_mst;
+ u32 win1_act_info;
+ u32 win1_dsp_info;
+ u32 win1_dsp_st;
+ u32 win1_scl_factor_yrgb;
+ u32 win1_scl_factor_cbr;
+ u32 win1_scl_offset;
+ u32 win1_src_alpha_ctrl;
+ u32 win1_dst_alpha_ctrl;
+ u32 win1_fading_ctrl;
+ u32 win1_reservd0;
+ u32 reserved2[48];
+ u32 post_dsp_hact_info;
+ u32 post_dsp_vact_info;
+ u32 post_scl_factor_yrgb;
+ u32 post_reserved;
+ u32 post_scl_ctrl;
+ u32 post_dsp_vact_info_f1;
+ u32 dsp_htotal_hs_end;
+ u32 dsp_hact_st_end;
+ u32 dsp_vtotal_vs_end;
+ u32 dsp_vact_st_end;
+ u32 dsp_vs_st_end_f1;
+ u32 dsp_vact_st_end_f1;
+};
+check_member(rk3288_vop_regs, dsp_vact_st_end_f1, 0x19c);
+
+enum rockchip_fb_data_format_t {
+ ARGB8888 = 0,
+ RGB888 = 1,
+ RGB565 = 2,
+};
+
+enum {
+ LB_YUV_3840X5 = 0x0,
+ LB_YUV_2560X8 = 0x1,
+ LB_RGB_3840X2 = 0x2,
+ LB_RGB_2560X4 = 0x3,
+ LB_RGB_1920X5 = 0x4,
+ LB_RGB_1280X8 = 0x5
+};
+
+/* VOP_VERSION_INFO */
+#define M_FPGA_VERSION (0xffff << 16)
+#define M_RTL_VERSION (0xffff)
+
+/* VOP_SYS_CTRL */
+#define M_AUTO_GATING_EN (1 << 23)
+#define M_STANDBY_EN (1 << 22)
+#define M_DMA_STOP (1 << 21)
+#define M_MMU_EN (1 << 20)
+#define M_DAM_BURST_LENGTH (0x3 << 18)
+#define M_MIPI_OUT_EN (1 << 15)
+#define M_EDP_OUT_EN (1 << 14)
+#define M_HDMI_OUT_EN (1 << 13)
+#define M_RGB_OUT_EN (1 << 12)
+#define M_ALL_OUT_EN (M_MIPI_OUT_EN | M_EDP_OUT_EN | M_HDMI_OUT_EN | M_RGB_OUT_EN)
+#define M_EDPI_WMS_FS (1 << 10)
+#define M_EDPI_WMS_MODE (1 << 9)
+#define M_EDPI_HALT_EN (1 << 8)
+#define M_DOUB_CH_OVERLAP_NUM (0xf << 4)
+#define M_DOUB_CHANNEL_EN (1 << 3)
+#define M_DIRECT_PATH_LAYER_SEL (0x3 << 1)
+#define M_DIRECT_PATH_EN (1)
+
+#define V_AUTO_GATING_EN(x) (((x) & 1) << 23)
+#define V_STANDBY_EN(x) (((x) & 1) << 22)
+#define V_DMA_STOP(x) (((x) & 1) << 21)
+#define V_MMU_EN(x) (((x) & 1) << 20)
+#define V_DMA_BURST_LENGTH(x) (((x) & 3) << 18)
+#define V_MIPI_OUT_EN(x) (((x) & 1) << 15)
+#define V_EDP_OUT_EN(x) (((x) & 1) << 14)
+#define V_HDMI_OUT_EN(x) (((x) & 1) << 13)
+#define V_RGB_OUT_EN(x) (((x) & 1) << 12)
+#define V_EDPI_WMS_FS(x) (((x) & 1) << 10)
+#define V_EDPI_WMS_MODE(x) (((x) & 1) << 9)
+#define V_EDPI_HALT_EN(x) (((x)&1)<<8)
+#define V_DOUB_CH_OVERLAP_NUM(x) (((x) & 0xf) << 4)
+#define V_DOUB_CHANNEL_EN(x) (((x) & 1) << 3)
+#define V_DIRECT_PATH_LAYER_SEL(x) (((x) & 3) << 1)
+#define V_DIRECT_PATH_EN(x) ((x) & 1)
+
+/* VOP_SYS_CTRL1 */
+#define M_AXI_OUTSTANDING_MAX_NUM (0x1f << 13)
+#define M_AXI_MAX_OUTSTANDING_EN (1 << 12)
+#define M_NOC_WIN_QOS (3 << 10)
+#define M_NOC_QOS_EN (1 << 9)
+#define M_NOC_HURRY_THRESHOLD (0x3f << 3)
+#define M_NOC_HURRY_VALUE (0x3 << 1)
+#define M_NOC_HURRY_EN (1)
+
+#define V_AXI_OUTSTANDING_MAX_NUM(x) (((x) & 0x1f) << 13)
+#define V_AXI_MAX_OUTSTANDING_EN(x) (((x) & 1) << 12)
+#define V_NOC_WIN_QOS(x) (((x) & 3) << 10)
+#define V_NOC_QOS_EN(x) (((x) & 1) << 9)
+#define V_NOC_HURRY_THRESHOLD(x) (((x) & 0x3f) << 3)
+#define V_NOC_HURRY_VALUE(x) (((x) & 3) << 1)
+#define V_NOC_HURRY_EN(x) ((x) & 1)
+
+/* VOP_DSP_CTRL0 */
+#define M_DSP_Y_MIR_EN (1 << 23)
+#define M_DSP_X_MIR_EN (1 << 22)
+#define M_DSP_YUV_CLIP (1 << 21)
+#define M_DSP_CCIR656_AVG (1 << 20)
+#define M_DSP_BLACK_EN (1 << 19)
+#define M_DSP_BLANK_EN (1 << 18)
+#define M_DSP_OUT_ZERO (1 << 17)
+#define M_DSP_DUMMY_SWAP (1 << 16)
+#define M_DSP_DELTA_SWAP (1 << 15)
+#define M_DSP_RG_SWAP (1 << 14)
+#define M_DSP_RB_SWAP (1 << 13)
+#define M_DSP_BG_SWAP (1 << 12)
+#define M_DSP_FIELD_POL (1 << 11)
+#define M_DSP_INTERLACE (1 << 10)
+#define M_DSP_DDR_PHASE (1 << 9)
+#define M_DSP_DCLK_DDR (1 << 8)
+#define M_DSP_DCLK_POL (1 << 7)
+#define M_DSP_DEN_POL (1 << 6)
+#define M_DSP_VSYNC_POL (1 << 5)
+#define M_DSP_HSYNC_POL (1 << 4)
+#define M_DSP_OUT_MODE (0xf)
+
+#define V_DSP_Y_MIR_EN(x) (((x) & 1) << 23)
+#define V_DSP_X_MIR_EN(x) (((x) & 1) << 22)
+#define V_DSP_YUV_CLIP(x) (((x) & 1) << 21)
+#define V_DSP_CCIR656_AVG(x) (((x) & 1) << 20)
+#define V_DSP_BLACK_EN(x) (((x) & 1) << 19)
+#define V_DSP_BLANK_EN(x) (((x) & 1) << 18)
+#define V_DSP_OUT_ZERO(x) (((x) & 1) << 17)
+#define V_DSP_DUMMY_SWAP(x) (((x) & 1) << 16)
+#define V_DSP_DELTA_SWAP(x) (((x) & 1) << 15)
+#define V_DSP_RG_SWAP(x) (((x) & 1) << 14)
+#define V_DSP_RB_SWAP(x) (((x) & 1) << 13)
+#define V_DSP_BG_SWAP(x) (((x) & 1) << 12)
+#define V_DSP_FIELD_POL(x) (((x) & 1) << 11)
+#define V_DSP_INTERLACE(x) (((x) & 1) << 10)
+#define V_DSP_DDR_PHASE(x) (((x) & 1) << 9)
+#define V_DSP_DCLK_DDR(x) (((x) & 1) << 8)
+#define V_DSP_DCLK_POL(x) (((x) & 1) << 7)
+#define V_DSP_DEN_POL(x) (((x) & 1) << 6)
+#define V_DSP_VSYNC_POL(x) (((x) & 1) << 5)
+#define V_DSP_HSYNC_POL(x) (((x) & 1) << 4)
+#define V_DSP_OUT_MODE(x) ((x) & 0xf)
+
+/* VOP_DSP_CTRL1 */
+#define M_DSP_LAYER3_SEL (3 << 14)
+#define M_DSP_LAYER2_SEL (3 << 12)
+#define M_DSP_LAYER1_SEL (3 << 10)
+#define M_DSP_LAYER0_SEL (3 << 8)
+#define M_DITHER_UP_EN (1 << 6)
+#define M_DITHER_DOWN_SEL (1 << 4)
+#define M_DITHER_DOWN_MODE (1 << 3)
+#define M_DITHER_DOWN_EN (1 << 2)
+#define M_PRE_DITHER_DOWN_EN (1 << 1)
+#define M_DSP_LUT_EN (1)
+
+#define V_DSP_LAYER3_SEL(x) (((x) & 3) << 14)
+#define V_DSP_LAYER2_SEL(x) (((x) & 3) << 12)
+#define V_DSP_LAYER1_SEL(x) (((x) & 3) << 10)
+#define V_DSP_LAYER0_SEL(x) (((x) & 3) << 8)
+#define V_DITHER_UP_EN(x) (((x) & 1) << 6)
+#define V_DITHER_DOWN_SEL(x) (((x) & 1) << 4)
+#define V_DITHER_DOWN_MODE(x) (((x) & 1) << 3)
+#define V_DITHER_DOWN_EN(x) (((x) & 1) << 2)
+#define V_PRE_DITHER_DOWN_EN(x) (((x) & 1) << 1)
+#define V_DSP_LUT_EN(x) ((x)&1)
+
+/* VOP_DSP_BG */
+#define M_DSP_BG_RED (0x3f << 20)
+#define M_DSP_BG_GREEN (0x3f << 10)
+#define M_DSP_BG_BLUE (0x3f << 0)
+
+#define V_DSP_BG_RED(x) (((x) & 0x3f) << 20)
+#define V_DSP_BG_GREEN(x) (((x) & 0x3f) << 10)
+#define V_DSP_BG_BLUE(x) (((x) & 0x3f) << 0)
+
+/* VOP_WIN0_CTRL0 */
+#define M_WIN0_YUV_CLIP (1 << 20)
+#define M_WIN0_CBR_DEFLICK (1 << 19)
+#define M_WIN0_YRGB_DEFLICK (1 << 18)
+#define M_WIN0_PPAS_ZERO_EN (1 << 16)
+#define M_WIN0_UV_SWAP (1 << 15)
+#define M_WIN0_MID_SWAP (1 << 14)
+#define M_WIN0_ALPHA_SWAP (1 << 13)
+#define M_WIN0_RB_SWAP (1 << 12)
+#define M_WIN0_CSC_MODE (3 << 10)
+#define M_WIN0_NO_OUTSTANDING (1 << 9)
+#define M_WIN0_INTERLACE_READ (1 << 8)
+#define M_WIN0_LB_MODE (7 << 5)
+#define M_WIN0_FMT_10 (1 << 4)
+#define M_WIN0_DATA_FMT (7 << 1)
+#define M_WIN0_EN (1 << 0)
+
+#define V_WIN0_YUV_CLIP(x) (((x) & 1) << 20)
+#define V_WIN0_CBR_DEFLICK(x) (((x) & 1) << 19)
+#define V_WIN0_YRGB_DEFLICK(x) (((x) & 1) << 18)
+#define V_WIN0_PPAS_ZERO_EN(x) (((x) & 1) << 16)
+#define V_WIN0_UV_SWAP(x) (((x) & 1) << 15)
+#define V_WIN0_MID_SWAP(x) (((x) & 1) << 14)
+#define V_WIN0_ALPHA_SWAP(x) (((x) & 1) << 13)
+#define V_WIN0_RB_SWAP(x) (((x) & 1) << 12)
+#define V_WIN0_CSC_MODE(x) (((x) & 3) << 10)
+#define V_WIN0_NO_OUTSTANDING(x) (((x) & 1) << 9)
+#define V_WIN0_INTERLACE_READ(x) (((x) & 1) << 8)
+#define V_WIN0_LB_MODE(x) (((x) & 7) << 5)
+#define V_WIN0_FMT_10(x) (((x) & 1) << 4)
+#define V_WIN0_DATA_FMT(x) (((x) & 7) << 1)
+#define V_WIN0_EN(x) ((x) & 1)
+
+/* VOP_WIN0_CTRL1 */
+#define M_WIN0_CBR_VSD_MODE (1 << 31)
+#define M_WIN0_CBR_VSU_MODE (1 << 30)
+#define M_WIN0_CBR_HSD_MODE (3 << 28)
+#define M_WIN0_CBR_VER_SCL_MODE (3 << 26)
+#define M_WIN0_CBR_HOR_SCL_MODE (3 << 24)
+#define M_WIN0_YRGB_VSD_MODE (1 << 23)
+#define M_WIN0_YRGB_VSU_MODE (1 << 22)
+#define M_WIN0_YRGB_HSD_MODE (3 << 20)
+#define M_WIN0_YRGB_VER_SCL_MODE (3 << 18)
+#define M_WIN0_YRGB_HOR_SCL_MODE (3 << 16)
+#define M_WIN0_LINE_LOAD_MODE (1 << 15)
+#define M_WIN0_CBR_AXI_GATHER_NUM (7 << 12)
+#define M_WIN0_YRGB_AXI_GATHER_NUM (0xf << 8)
+#define M_WIN0_VSD_CBR_GT2 (1 << 7)
+#define M_WIN0_VSD_CBR_GT4 (1 << 6)
+#define M_WIN0_VSD_YRGB_GT2 (1 << 5)
+#define M_WIN0_VSD_YRGB_GT4 (1 << 4)
+#define M_WIN0_BIC_COE_SEL (3 << 2)
+#define M_WIN0_CBR_AXI_GATHER_EN (1 << 1)
+#define M_WIN0_YRGB_AXI_GATHER_EN (1)
+
+#define V_WIN0_CBR_VSD_MODE(x) (((x) & 1) << 31)
+#define V_WIN0_CBR_VSU_MODE(x) (((x) & 1) << 30)
+#define V_WIN0_CBR_HSD_MODE(x) (((x) & 3) << 28)
+#define V_WIN0_CBR_VER_SCL_MODE(x) (((x) & 3) << 26)
+#define V_WIN0_CBR_HOR_SCL_MODE(x) (((x) & 3) << 24)
+#define V_WIN0_YRGB_VSD_MODE(x) (((x) & 1) << 23)
+#define V_WIN0_YRGB_VSU_MODE(x) (((x) & 1) << 22)
+#define V_WIN0_YRGB_HSD_MODE(x) (((x) & 3) << 20)
+#define V_WIN0_YRGB_VER_SCL_MODE(x) (((x) & 3) << 18)
+#define V_WIN0_YRGB_HOR_SCL_MODE(x) (((x) & 3) << 16)
+#define V_WIN0_LINE_LOAD_MODE(x) (((x) & 1) << 15)
+#define V_WIN0_CBR_AXI_GATHER_NUM(x) (((x) & 7) << 12)
+#define V_WIN0_YRGB_AXI_GATHER_NUM(x) (((x) & 0xf) << 8)
+#define V_WIN0_VSD_CBR_GT2(x) (((x) & 1) << 7)
+#define V_WIN0_VSD_CBR_GT4(x) (((x) & 1) << 6)
+#define V_WIN0_VSD_YRGB_GT2(x) (((x) & 1) << 5)
+#define V_WIN0_VSD_YRGB_GT4(x) (((x) & 1) << 4)
+#define V_WIN0_BIC_COE_SEL(x) (((x) & 3) << 2)
+#define V_WIN0_CBR_AXI_GATHER_EN(x) (((x) & 1) << 1)
+#define V_WIN0_YRGB_AXI_GATHER_EN(x) ((x) & 1)
+
+/*VOP_WIN0_COLOR_KEY*/
+#define M_WIN0_KEY_EN (1 << 31)
+#define M_WIN0_KEY_COLOR (0x3fffffff)
+
+#define V_WIN0_KEY_EN(x) (((x) & 1) << 31)
+#define V_WIN0_KEY_COLOR(x) ((x) & 0x3fffffff)
+
+/* VOP_WIN0_VIR */
+#define V_ARGB888_VIRWIDTH(x) (((x) & 0x3fff) << 0)
+#define V_RGB888_VIRWIDTH(x) (((((x * 3) >> 2)+((x) % 3)) & 0x3fff) << 0)
+#define V_RGB565_VIRWIDTH(x) (((x / 2) & 0x3fff) << 0)
+#define YUV_VIRWIDTH(x) (((x / 4) & 0x3fff) << 0)
+
+/* VOP_WIN0_ACT_INFO */
+#define V_ACT_HEIGHT(x) (((x) & 0x1fff) << 16)
+#define V_ACT_WIDTH(x) ((x) & 0x1fff)
+
+/* VOP_WIN0_DSP_INFO */
+#define V_DSP_HEIGHT(x) (((x) & 0xfff) << 16)
+#define V_DSP_WIDTH(x) ((x) & 0xfff)
+
+/* VOP_WIN0_DSP_ST */
+#define V_DSP_YST(x) (((x) & 0x1fff) << 16)
+#define V_DSP_XST(x) ((x) & 0x1fff)
+
+/* VOP_WIN0_SCL_OFFSET */
+#define V_WIN0_VS_OFFSET_CBR(x) (((x) & 0xff) << 24)
+#define V_WIN0_VS_OFFSET_YRGB(x) (((x) & 0xff) << 16)
+#define V_WIN0_HS_OFFSET_CBR(x) (((x) & 0xff) << 8)
+#define V_WIN0_HS_OFFSET_YRGB(x) ((x) & 0xff)
+
+#define V_HSYNC(x) (((x)&0x1fff)<<0) /* hsync pulse width */
+#define V_HORPRD(x) (((x)&0x1fff)<<16) /* horizontal period */
+#define V_VSYNC(x) (((x)&0x1fff)<<0)
+#define V_VERPRD(x) (((x)&0x1fff)<<16)
+
+#define V_HEAP(x) (((x)&0x1fff)<<0)/* horizontal active end */
+#define V_HASP(x) (((x)&0x1fff)<<16)/* horizontal active start */
+#define V_VAEP(x) (((x)&0x1fff)<<0)
+#define V_VASP(x) (((x)&0x1fff)<<16)
+
+void rkvop_mode_set(u32 vop_id, const struct edid *edid);
+void rkvop_enable(u32 vop_id, u32 fbbase, const struct edid *edid);
+#endif
diff --git a/src/soc/rockchip/rk3288/soc.c b/src/soc/rockchip/rk3288/soc.c
index 3048547ff9..c227dab2f3 100644
--- a/src/soc/rockchip/rk3288/soc.c
+++ b/src/soc/rockchip/rk3288/soc.c
@@ -23,23 +23,34 @@
#include <delay.h>
#include <device/device.h>
#include <gpio.h>
+#include <soc/display.h>
#include <soc/soc.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
+#include <vendorcode/google/chromeos/chromeos.h>
#include "chip.h"
-static void soc_enable(device_t dev)
+static void soc_init(device_t dev)
{
+ unsigned long fb_size = FB_SIZE_KB * KiB;
+ u32 lcdbase = get_fb_base_kb() * KiB;
+
ram_resource(dev, 0, RAM_BASE_KB, RAM_SIZE_KB);
+ mmio_resource(dev, 1, lcdbase / KiB, fb_size / KiB);
+
+ if (vboot_skip_display_init())
+ printk(BIOS_INFO, "Skipping display init.\n");
+ else
+ rk_display_init(dev, lcdbase, fb_size);
}
static struct device_operations soc_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
- .enable_resources = soc_enable,
- .init = DEVICE_NOOP,
+ .enable_resources = DEVICE_NOOP,
+ .init = soc_init,
.scan_bus = 0,
};
diff --git a/src/soc/rockchip/rk3288/vop.c b/src/soc/rockchip/rk3288/vop.c
new file mode 100644
index 0000000000..378e6b8e90
--- /dev/null
+++ b/src/soc/rockchip/rk3288/vop.c
@@ -0,0 +1,144 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * 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 <arch/io.h>
+#include <console/console.h>
+#include <delay.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/edp.h>
+#include <soc/vop.h>
+
+#include "chip.h"
+
+static struct rk3288_vop_regs * const vop_regs[] = {
+ (struct rk3288_vop_regs *)VOP_BIG_BASE,
+ (struct rk3288_vop_regs *)VOP_LIT_BASE
+};
+
+void rkvop_enable(u32 vop_id, u32 fbbase, const struct edid *edid)
+{
+ u32 lb_mode;
+ u32 rgb_mode;
+ u32 hactive = edid->ha;
+ u32 vactive = edid->va;
+ u32 hsync_len = edid->hspw;
+ u32 hback_porch = edid->hbl - edid->hso - edid->hspw;
+ u32 vsync_len = edid->vspw;
+ u32 vback_porch = edid->vbl - edid->vso - edid->vspw;
+ u32 xpos = 0, ypos = 0;
+ struct rk3288_vop_regs *preg = vop_regs[vop_id];
+
+ writel(V_ACT_WIDTH(hactive - 1) | V_ACT_HEIGHT(vactive - 1),
+ &preg->win0_act_info);
+
+ writel(V_DSP_XST(xpos + hsync_len + hback_porch) |
+ V_DSP_YST(ypos + vsync_len + vback_porch),
+ &preg->win0_dsp_st);
+
+ writel(V_DSP_WIDTH(hactive - 1) |
+ V_DSP_HEIGHT(vactive - 1),
+ &preg->win0_dsp_info);
+
+ clrsetbits_le32(&preg->win0_color_key, M_WIN0_KEY_EN | M_WIN0_KEY_COLOR,
+ V_WIN0_KEY_EN(0) |
+ V_WIN0_KEY_COLOR(0));
+
+ switch (edid->framebuffer_bits_per_pixel) {
+ case 16:
+ rgb_mode = RGB565;
+ writel(V_RGB565_VIRWIDTH(hactive),
+ &preg->win0_vir);
+ break;
+ case 24:
+ rgb_mode = RGB888;
+ writel(V_RGB888_VIRWIDTH(hactive),
+ &preg->win0_vir);
+ break;
+ case 32:
+ default:
+ rgb_mode = ARGB8888;
+ writel(V_ARGB888_VIRWIDTH(hactive),
+ &preg->win0_vir);
+ break;
+ }
+
+ if (hactive > 2560)
+ lb_mode = LB_RGB_3840X2;
+ else if (hactive > 1920)
+ lb_mode = LB_RGB_2560X4;
+ else if (hactive > 1280)
+ lb_mode = LB_RGB_1920X5;
+ else
+ lb_mode = LB_RGB_1280X8;
+
+ clrsetbits_le32(&preg->win0_ctrl0,
+ M_WIN0_LB_MODE | M_WIN0_DATA_FMT | M_WIN0_EN,
+ V_WIN0_LB_MODE(lb_mode) |
+ V_WIN0_DATA_FMT(rgb_mode) | V_WIN0_EN(1));
+
+ writel(fbbase, &preg->win0_yrgb_mst);
+
+ writel(0x01, &preg->reg_cfg_done); /* enable reg config */
+}
+
+void rkvop_mode_set(u32 vop_id, const struct edid *edid)
+{
+ u32 hactive = edid->ha;
+ u32 vactive = edid->va;
+ u32 hfront_porch = edid->hso;
+ u32 hsync_len = edid->hspw;
+ u32 hback_porch = edid->hbl - edid->hso - edid->hspw;
+ u32 vfront_porch = edid->vso;
+ u32 vsync_len = edid->vspw;
+ u32 vback_porch = edid->vbl - edid->vso - edid->vspw;
+ struct rk3288_vop_regs *preg = vop_regs[vop_id];
+
+ clrsetbits_le32(&preg->sys_ctrl, M_ALL_OUT_EN, V_EDP_OUT_EN(1));
+ clrsetbits_le32(&preg->dsp_ctrl0, M_DSP_OUT_MODE,
+ V_DSP_OUT_MODE(15));
+ writel(V_HSYNC(hsync_len) |
+ V_HORPRD(hsync_len + hback_porch + hactive + hfront_porch),
+ &preg->dsp_htotal_hs_end);
+
+ writel(V_HEAP(hsync_len + hback_porch + hactive) |
+ V_HASP(hsync_len + hback_porch),
+ &preg->dsp_hact_st_end);
+
+ writel(V_VSYNC(vsync_len) |
+ V_VERPRD(vsync_len + vback_porch + vactive + vfront_porch),
+ &preg->dsp_vtotal_vs_end);
+
+ writel(V_VAEP(vsync_len + vback_porch + vactive)|
+ V_VASP(vsync_len + vback_porch),
+ &preg->dsp_vact_st_end);
+
+ writel(V_HEAP(hsync_len + hback_porch + hactive) |
+ V_HASP(hsync_len + hback_porch),
+ &preg->post_dsp_hact_info);
+
+ writel(V_VAEP(vsync_len + vback_porch + vactive)|
+ V_VASP(vsync_len + vback_porch),
+ &preg->post_dsp_vact_info);
+
+ writel(0x01, &preg->reg_cfg_done); /* enable reg config */
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 04:08:22 +0000