diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/t1040qds/diu.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/t1040qds/diu.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/qemu/roms/u-boot/board/freescale/t1040qds/diu.c b/qemu/roms/u-boot/board/freescale/t1040qds/diu.c deleted file mode 100644 index ffd074b0f..000000000 --- a/qemu/roms/u-boot/board/freescale/t1040qds/diu.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright 2014 Freescale Semiconductor, Inc. - * Author: Priyanka Jain <Priyanka.Jain@freescale.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <linux/ctype.h> -#include <asm/io.h> -#include <stdio_dev.h> -#include <video_fb.h> -#include <fsl_diu_fb.h> -#include "../common/qixis.h" -#include "t1040qds.h" -#include "t1040qds_qixis.h" -#include <i2c.h> - - -#define I2C_DVI_INPUT_DATA_FORMAT_REG 0x1F -#define I2C_DVI_PLL_CHARGE_CNTL_REG 0x33 -#define I2C_DVI_PLL_DIVIDER_REG 0x34 -#define I2C_DVI_PLL_SUPPLY_CNTL_REG 0x35 -#define I2C_DVI_PLL_FILTER_REG 0x36 -#define I2C_DVI_TEST_PATTERN_REG 0x48 -#define I2C_DVI_POWER_MGMT_REG 0x49 -#define I2C_DVI_LOCK_STATE_REG 0x4D -#define I2C_DVI_SYNC_POLARITY_REG 0x56 - -/* - * Set VSYNC/HSYNC to active high. This is polarity of sync signals - * from DIU->DVI. The DIU default is active igh, so DVI is set to - * active high. - */ -#define I2C_DVI_INPUT_DATA_FORMAT_VAL 0x98 - -#define I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL 0x06 -#define I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL 0x26 -#define I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL 0xA0 -#define I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL 0x08 -#define I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL 0x16 -#define I2C_DVI_PLL_FILTER_LOW_SPEED_VAL 0x60 - -/* Clear test pattern */ -#define I2C_DVI_TEST_PATTERN_VAL 0x18 -/* Exit Power-down mode */ -#define I2C_DVI_POWER_MGMT_VAL 0xC0 - -/* Monitor polarity is handled via DVI Sync Polarity Register */ -#define I2C_DVI_SYNC_POLARITY_VAL 0x00 - -/* - * DIU Area Descriptor - * - * Note that we need to byte-swap the value before it's written to the AD - * register. So even though the registers don't look like they're in the same - * bit positions as they are on the MPC8610, the same value is written to the - * AD register on the MPC8610 and on the P1022. - */ -#define AD_BYTE_F 0x10000000 -#define AD_ALPHA_C_SHIFT 25 -#define AD_BLUE_C_SHIFT 23 -#define AD_GREEN_C_SHIFT 21 -#define AD_RED_C_SHIFT 19 -#define AD_PIXEL_S_SHIFT 16 -#define AD_COMP_3_SHIFT 12 -#define AD_COMP_2_SHIFT 8 -#define AD_COMP_1_SHIFT 4 -#define AD_COMP_0_SHIFT 0 - -/* Programming of HDMI Chrontel CH7301 connector */ -int diu_set_dvi_encoder(unsigned int pixclock) -{ - int ret; - u8 temp; - select_i2c_ch_pca9547(I2C_MUX_CH_DIU); - - temp = I2C_DVI_TEST_PATTERN_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_TEST_PATTERN_REG, 1, - &temp, 1); - if (ret) { - puts("I2C: failed to select proper dvi test pattern\n"); - return ret; - } - temp = I2C_DVI_INPUT_DATA_FORMAT_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_INPUT_DATA_FORMAT_REG, - 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi input data format\n"); - return ret; - } - - /* Set Sync polarity register */ - temp = I2C_DVI_SYNC_POLARITY_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_SYNC_POLARITY_REG, 1, - &temp, 1); - if (ret) { - puts("I2C: failed to select dvi syc polarity\n"); - return ret; - } - - /* Set PLL registers based on pixel clock rate*/ - if (pixclock > 65000000) { - temp = I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll charge_cntl\n"); - return ret; - } - temp = I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll divider\n"); - return ret; - } - temp = I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_FILTER_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll filter\n"); - return ret; - } - } else { - temp = I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll charge_cntl\n"); - return ret; - } - temp = I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll divider\n"); - return ret; - } - temp = I2C_DVI_PLL_FILTER_LOW_SPEED_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, - I2C_DVI_PLL_FILTER_REG, 1, &temp, 1); - if (ret) { - puts("I2C: failed to select dvi pll filter\n"); - return ret; - } - } - - temp = I2C_DVI_POWER_MGMT_VAL; - ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_POWER_MGMT_REG, 1, - &temp, 1); - if (ret) { - puts("I2C: failed to select dvi power mgmt\n"); - return ret; - } - - udelay(500); - - select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); - return 0; -} - -void diu_set_pixel_clock(unsigned int pixclock) -{ - unsigned long speed_ccb, temp; - u32 pixval; - int ret = 0; - speed_ccb = get_bus_freq(0); - temp = 1000000000 / pixclock; - temp *= 1000; - pixval = speed_ccb / temp; - - /* Program HDMI encoder */ - ret = diu_set_dvi_encoder(temp); - if (ret) { - puts("Failed to set DVI encoder\n"); - return; - } - - /* Program pixel clock */ - out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR, - ((pixval << PXCK_BITS_START) & PXCK_MASK)); - /* enable clock*/ - out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR, PXCKEN_MASK | - ((pixval << PXCK_BITS_START) & PXCK_MASK)); -} - -int platform_diu_init(unsigned int xres, unsigned int yres, const char *port) -{ - u32 pixel_format; - u8 sw; - - /*Route I2C4 to DIU system as HSYNC/VSYNC*/ - sw = QIXIS_READ(brdcfg[5]); - QIXIS_WRITE(brdcfg[5], - ((sw & ~(BRDCFG5_IMX_MASK)) | (BRDCFG5_IMX_DIU))); - - /*Configure Display ouput port as HDMI*/ - sw = QIXIS_READ(brdcfg[15]); - QIXIS_WRITE(brdcfg[15], - ((sw & ~(BRDCFG15_LCDPD_MASK | BRDCFG15_DIUSEL_MASK)) - | (BRDCFG15_LCDPD_ENABLED | BRDCFG15_DIUSEL_HDMI))); - - pixel_format = cpu_to_le32(AD_BYTE_F | (3 << AD_ALPHA_C_SHIFT) | - (0 << AD_BLUE_C_SHIFT) | (1 << AD_GREEN_C_SHIFT) | - (2 << AD_RED_C_SHIFT) | (8 << AD_COMP_3_SHIFT) | - (8 << AD_COMP_2_SHIFT) | (8 << AD_COMP_1_SHIFT) | - (8 << AD_COMP_0_SHIFT) | (3 << AD_PIXEL_S_SHIFT)); - - printf("DIU: Switching to monitor @ %ux%u\n", xres, yres); - - - return fsl_diu_init(xres, yres, pixel_format, 0); -} |