diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/rockchip/rk3399/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/chip.h | 32 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/display.c | 122 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/include/soc/addressmap.h | 5 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/include/soc/display.h | 25 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/include/soc/memlayout.ld | 1 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/soc.c | 8 |
7 files changed, 196 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3399/Makefile.inc b/src/soc/rockchip/rk3399/Makefile.inc index 68f346c85e..8abafe362b 100644 --- a/src/soc/rockchip/rk3399/Makefile.inc +++ b/src/soc/rockchip/rk3399/Makefile.inc @@ -55,6 +55,8 @@ ramstage-y += sdram.c ramstage-y += ../common/spi.c ramstage-$(CONFIG_DRIVERS_UART) += ../common/uart.c ramstage-y += clock.c +ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += display.c +ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += ../common/edp.c ramstage-y += emmc.c ramstage-y += ../common/gpio.c ramstage-y += gpio.c @@ -62,6 +64,7 @@ ramstage-y += ../common/i2c.c ramstage-y += saradc.c ramstage-y += soc.c ramstage-y += timer.c +ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += ../common/vop.c BL31_MAKEARGS += PLAT=rk3399 ################################################################################ diff --git a/src/soc/rockchip/rk3399/chip.h b/src/soc/rockchip/rk3399/chip.h new file mode 100644 index 0000000000..46baa8ccea --- /dev/null +++ b/src/soc/rockchip/rk3399/chip.h @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2016 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. + */ + +#ifndef __SOC_ROCKCHIP_RK3399_CHIP_H__ +#define __SOC_ROCKCHIP_RK3399_CHIP_H__ + +#include <soc/gpio.h> +#include <soc/vop.h> /* for vop_modes enum used in devicetree.cb */ + +struct soc_rockchip_rk3399_config { + u32 vop_id; + gpio_t lcd_bl_pwm_gpio; + gpio_t lcd_bl_en_gpio; + u32 bl_power_on_udelay; + u32 bl_pwm_to_enable_udelay; + u32 framebuffer_bits_per_pixel; + u32 vop_mode; +}; + +#endif /* __SOC_ROCKCHIP_RK3399_CHIP_H__ */ diff --git a/src/soc/rockchip/rk3399/display.c b/src/soc/rockchip/rk3399/display.c new file mode 100644 index 0000000000..d69df93f74 --- /dev/null +++ b/src/soc/rockchip/rk3399/display.c @@ -0,0 +1,122 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2016 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. + */ + +#include <arch/cache.h> +#include <arch/mmu.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/mmu_operations.h> +#include <soc/soc.h> +#include <soc/vop.h> + +#include "chip.h" + +void rk_display_init(device_t dev, uintptr_t lcdbase, + unsigned long fb_size) +{ + struct edid edid; + uint32_t val; + struct soc_rockchip_rk3399_config *conf = dev->chip_info; + uintptr_t lower = ALIGN_DOWN(lcdbase, MiB); + uintptr_t upper = ALIGN_UP(lcdbase + fb_size, MiB); + enum vop_modes detected_mode = VOP_MODE_UNKNOWN; + + printk(BIOS_DEBUG, "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((void *)lower, upper - lower, UNCACHED_MEM); + + switch (conf->vop_mode) { + case VOP_MODE_NONE: + return; + case VOP_MODE_AUTO_DETECT: + /* try EDP first, then HDMI */ + case VOP_MODE_EDP: + printk(BIOS_DEBUG, "Attempting to set up EDP display.\n"); + rkclk_configure_vop_aclk(conf->vop_id, 192 * MHz); + + /* select edp signal from vop0(big) or vop1(little) */ + val = (conf->vop_id == 1) ? RK_SETBITS(1 << 5) : + RK_CLRBITS(1 << 5); + write32(&rk3399_grf->soc_con20, val); + + /* select edp clk from SoC internal 24M crystal, otherwise, + * it will source from edp's 24M clock (that depends on + * edp vendor, could be unstable) + */ + write32(&rk3399_grf->soc_con25, RK_SETBITS(1 << 11)); + + rk_edp_init(); + + if (rk_edp_get_edid(&edid) == 0) { + detected_mode = VOP_MODE_EDP; + break; + } + printk(BIOS_WARNING, "Cannot get EDID from EDP.\n"); + if (conf->vop_mode == VOP_MODE_EDP) + return; + /* fall thru */ + case VOP_MODE_HDMI: + printk(BIOS_WARNING, "HDMI display is NOT supported yet.\n"); + return; + default: + printk(BIOS_WARNING, "Cannot read any EDID info, aborting.\n"); + return; + } + + if (rkclk_configure_vop_dclk(conf->vop_id, + edid.mode.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.mode.ha * conf->framebuffer_bits_per_pixel / 8; + edid.x_resolution = edid.mode.ha; + edid.y_resolution = edid.mode.va; + rkvop_mode_set(conf->vop_id, &edid, detected_mode); + + rkvop_enable(conf->vop_id, lcdbase, &edid); + + switch (detected_mode) { + case VOP_MODE_HDMI: + /* should not be here before HDMI supported */ + return; + case VOP_MODE_EDP: + default: + if (rk_edp_enable()) { + printk(BIOS_WARNING, "edp enable error\n"); + return; + } + mainboard_power_on_backlight(); + break; + } + + set_vbe_mode_info_valid(&edid, (uintptr_t)lcdbase); +} diff --git a/src/soc/rockchip/rk3399/include/soc/addressmap.h b/src/soc/rockchip/rk3399/include/soc/addressmap.h index 28cbd7a56e..77fca9e6f7 100644 --- a/src/soc/rockchip/rk3399/include/soc/addressmap.h +++ b/src/soc/rockchip/rk3399/include/soc/addressmap.h @@ -59,6 +59,11 @@ #define TSADC_BASE 0xff260000 #define SARADC_BASE 0xff100000 #define RK_PWM_BASE 0xff420000 +#define EDP_BASE 0xff970000 + +#define VOP_BIG_BASE 0xff900000 /* corresponds to vop_id 0 */ +#define VOP_LIT_BASE 0xff8f0000 /* corresponds to vop_id 1 */ + #define DDRC0_BASE_ADDR 0xffa80000 #define SERVER_MSCH0_BASE_ADDR 0xffa84000 diff --git a/src/soc/rockchip/rk3399/include/soc/display.h b/src/soc/rockchip/rk3399/include/soc/display.h new file mode 100644 index 0000000000..7ccde5611a --- /dev/null +++ b/src/soc/rockchip/rk3399/include/soc/display.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2016 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. + */ + +#ifndef __SOC_ROCKCHIP_RK3399_DISPLAY_H__ +#define __SOC_ROCKCHIP_RK3399_DISPLAY_H__ + +#define REF_CLK_24M (0x1 << 0) + +void rk_display_init(device_t dev, uintptr_t lcdbase, + unsigned long fb_size); +void mainboard_power_on_backlight(void); + +#endif diff --git a/src/soc/rockchip/rk3399/include/soc/memlayout.ld b/src/soc/rockchip/rk3399/include/soc/memlayout.ld index edb246d6f0..ac16394c86 100644 --- a/src/soc/rockchip/rk3399/include/soc/memlayout.ld +++ b/src/soc/rockchip/rk3399/include/soc/memlayout.ld @@ -22,6 +22,7 @@ SECTIONS POSTRAM_CBFS_CACHE(0x00100000, 1M) RAMSTAGE(0x00300000, 256K) DMA_COHERENT(0x10000000, 2M) + FRAMEBUFFER(0x10200000, 8M) SRAM_START(0xFF8C0000) BOOTBLOCK(0xFF8C2004, 32K - 4) diff --git a/src/soc/rockchip/rk3399/soc.c b/src/soc/rockchip/rk3399/soc.c index 5b6ddb2b68..ef0c9c7022 100644 --- a/src/soc/rockchip/rk3399/soc.c +++ b/src/soc/rockchip/rk3399/soc.c @@ -13,10 +13,12 @@ * GNU General Public License for more details. */ +#include <bootmode.h> #include <console/console.h> #include <cpu/cpu.h> #include <device/device.h> #include <soc/addressmap.h> +#include <soc/display.h> #include <stddef.h> #include <stdlib.h> #include <string.h> @@ -34,6 +36,12 @@ static void soc_init(device_t dev) * arm-trusted-firmware/plat/rockchip/rk3399/include/platform_def.h */ mmio_resource(dev, 1, (0x10000 / KiB), (0x80000 / KiB)); + + if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) && display_init_required()) + rk_display_init(dev, (uintptr_t)_framebuffer, + _framebuffer_size); + else + printk(BIOS_INFO, "Display initialization disabled.\n"); } static struct device_operations soc_ops = { |