Merge branch 'master' of git://www.denx.de/git/u-boot-imx

This commit is contained in:
Tom Rini 2014-12-30 12:17:18 -05:00
commit 5523cc2b8a
21 changed files with 741 additions and 291 deletions

View file

@ -746,10 +746,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
case MXC_SATA_CLK:
return get_ahb_clk();
default:
printf("Unsupported MXC CLK: %d\n", clk);
break;
}
return -1;
return 0;
}
/*

View file

@ -73,26 +73,21 @@ static void * const i2c_bases[] = {
int setup_i2c(unsigned i2c_index, int speed, int slave_addr,
struct i2c_pads_info *p)
{
char *name1, *name2;
char name[9];
int ret;
if (i2c_index >= ARRAY_SIZE(i2c_bases))
return -EINVAL;
name1 = malloc(9);
name2 = malloc(9);
if (!name1 || !name2)
return -ENOMEM;
sprintf(name1, "i2c_sda%d", i2c_index);
sprintf(name2, "i2c_scl%d", i2c_index);
ret = gpio_request(p->sda.gp, name1);
snprintf(name, sizeof(name), "i2c_sda%01d", i2c_index);
ret = gpio_request(p->sda.gp, name);
if (ret)
goto err_req1;
return ret;
ret = gpio_request(p->scl.gp, name2);
snprintf(name, sizeof(name), "i2c_scl%01d", i2c_index);
ret = gpio_request(p->scl.gp, name);
if (ret)
goto err_req2;
goto err_req;
/* Enable i2c clock */
ret = enable_i2c_clk(1, i2c_index);
@ -112,11 +107,8 @@ int setup_i2c(unsigned i2c_index, int speed, int slave_addr,
err_idle:
err_clk:
gpio_free(p->scl.gp);
err_req2:
err_req:
gpio_free(p->sda.gp);
err_req1:
free(name1);
free(name2);
return ret;
}

View file

@ -68,8 +68,10 @@ u32 spl_boot_mode(void)
/* for MMC return either RAW or FAT mode */
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
#ifdef CONFIG_SPL_FAT_SUPPORT
#if defined(CONFIG_SPL_FAT_SUPPORT)
return MMCSD_MODE_FS;
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
return MMCSD_MODE_EMMCBOOT;
#else
return MMCSD_MODE_RAW;
#endif

View file

@ -112,7 +112,7 @@ static void setup_iomux_spi(void)
#ifdef CONFIG_USB_EHCI_MX5
#define MX51EVK_USBH1_HUB_RST IMX_GPIO_NR(1, 7)
#define MX51EVK_USBH1_STP IMX_GPIO_NR(1, 27)
#define MX51EVK_USB_CLK_EN_B IMX_GPIO_NR(2, 2)
#define MX51EVK_USB_CLK_EN_B IMX_GPIO_NR(2, 1)
#define MX51EVK_USB_PHY_RESET IMX_GPIO_NR(2, 5)
static void setup_usb_h1(void)

View file

@ -16,6 +16,7 @@
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <usb.h>
DECLARE_GLOBAL_DATA_PTR;
@ -213,6 +214,43 @@ int board_eth_init(bd_t *bis)
return 0;
}
#ifdef CONFIG_USB_EHCI_MX6
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pads[] = {
MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
ARRAY_SIZE(usb_otg_pads));
/*
* set daisy chain for otg_pin_id on 6q.
* for 6dl, this bit is reserved
*/
imx_iomux_set_gpr_register(1, 13, 1, 1);
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 0)
return -EINVAL;
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
port * 4);
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
return 0;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
@ -226,6 +264,10 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_USB_EHCI_MX6
setup_usb();
#endif
return 0;
}

View file

@ -29,6 +29,7 @@
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <asm/arch/mx6-ddr.h>
#include <usb.h>
DECLARE_GLOBAL_DATA_PTR;
@ -537,6 +538,69 @@ int board_eth_init(bd_t *bis)
return cpu_eth_init(bis);
}
#ifdef CONFIG_USB_EHCI_MX6
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pads[] = {
MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const usb_hc1_pads[] = {
MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
ARRAY_SIZE(usb_otg_pads));
/*
* set daisy chain for otg_pin_id on 6q.
* for 6dl, this bit is reserved
*/
imx_iomux_set_gpr_register(1, 13, 1, 0);
imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
ARRAY_SIZE(usb_hc1_pads));
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 1)
return -EINVAL;
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
port * 4);
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
return 0;
}
int board_ehci_power(int port, int on)
{
switch (port) {
case 0:
break;
case 1:
if (on)
gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
else
gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
break;
default:
printf("MXC USB port %d not yet supported\n", port);
return -EINVAL;
}
return 0;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
@ -557,6 +621,10 @@ int board_init(void)
#endif
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#ifdef CONFIG_USB_EHCI_MX6
setup_usb();
#endif
return 0;
}

View file

@ -308,11 +308,6 @@ int board_init(void)
return 0;
}
u32 get_board_rev(void)
{
return get_cpu_rev();
}
int checkboard(void)
{
puts("Board: MX6SLEVK\n");

View file

@ -401,7 +401,7 @@ static void ccgr_init(void)
writel(0x0030FC03, &ccm->CCGR1);
writel(0x0FFFC000, &ccm->CCGR2);
writel(0x3FF00000, &ccm->CCGR3);
writel(0x00FFF300, &ccm->CCGR4);
writel(0xFFFFF300, &ccm->CCGR4); /* enable NAND/GPMI/BCH clks */
writel(0x0F0000C3, &ccm->CCGR5);
writel(0x000003FF, &ccm->CCGR6);
}

View file

@ -8,4 +8,5 @@ ifdef CONFIG_SPL_BUILD
obj-y := novena_spl.o
else
obj-y := novena.o
obj-$(CONFIG_VIDEO_IPUV3) += video.o
endif

View file

@ -36,11 +36,9 @@
#include <power/pfuze100_pmic.h>
#include <stdio_dev.h>
DECLARE_GLOBAL_DATA_PTR;
#include "novena.h"
#define NOVENA_BUTTON_GPIO IMX_GPIO_NR(4, 14)
#define NOVENA_SD_WP IMX_GPIO_NR(1, 2)
#define NOVENA_SD_CD IMX_GPIO_NR(1, 4)
DECLARE_GLOBAL_DATA_PTR;
/*
* GPIO button
@ -154,87 +152,10 @@ int board_mmc_init(bd_t *bis)
}
#endif
/*
* Video over HDMI
*/
#if defined(CONFIG_VIDEO_IPUV3)
static void enable_hdmi(struct display_info_t const *dev)
{
imx_enable_hdmi_phy();
}
struct display_info_t const displays[] = {
{
/* HDMI Output */
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = detect_hdmi,
.enable = enable_hdmi,
.mode = {
.name = "HDMI",
.refresh = 60,
.xres = 1024,
.yres = 768,
.pixclock = 15385,
.left_margin = 220,
.right_margin = 40,
.upper_margin = 21,
.lower_margin = 7,
.hsync_len = 60,
.vsync_len = 10,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
}
}
};
size_t display_count = ARRAY_SIZE(displays);
static void setup_display(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
enable_ipu_clock();
imx_setup_hdmi();
/* Turn on LDB0,IPU,IPU DI0 clocks */
setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
/* set LDB0, LDB1 clk select to 011/011 */
clrsetbits_le32(&mxc_ccm->cs2cdr,
MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
(3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
(3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));
setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
&iomux->gpr[2]);
clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
}
#endif
int board_early_init_f(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
setup_display();
setup_display_clock();
#endif
return 0;
@ -252,6 +173,14 @@ int board_init(void)
return 0;
}
int board_late_init(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
setup_display_lvds();
#endif
return 0;
}
int checkboard(void)
{
puts("Board: Novena 4x\n");

View file

@ -0,0 +1,33 @@
/*
* Novena board support
*
* Copyright (C) 2014 Marek Vasut <marex@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __BOARD_KOSAGI_NOVENA_NOVENA_H__
#define __BOARD_KOSAGI_NOVENA_NOVENA_H__
#define NOVENA_AUDIO_PWRON IMX_GPIO_NR(5, 17)
#define NOVENA_BACKLIGHT_PWM_GPIO IMX_GPIO_NR(4, 29)
#define NOVENA_BACKLIGHT_PWR_GPIO IMX_GPIO_NR(4, 15)
#define NOVENA_BUTTON_GPIO IMX_GPIO_NR(4, 14)
#define NOVENA_FPGA_RESET_N_GPIO IMX_GPIO_NR(5, 7)
#define NOVENA_HDMI_GHOST_HPD IMX_GPIO_NR(5, 4)
#define NOVENA_ITE6251_PWR_GPIO IMX_GPIO_NR(5, 28)
#define NOVENA_PCIE_DISABLE_GPIO IMX_GPIO_NR(2, 16)
#define NOVENA_PCIE_POWER_ON_GPIO IMX_GPIO_NR(7, 12)
#define NOVENA_PCIE_RESET_GPIO IMX_GPIO_NR(3, 29)
#define NOVENA_PCIE_WAKE_UP_GPIO IMX_GPIO_NR(3, 22)
#define NOVENA_SD_CD IMX_GPIO_NR(1, 4)
#define NOVENA_SD_WP IMX_GPIO_NR(1, 2)
#define NOVENA_IT6251_I2C_BUS 2
#define NOVENA_IT6251_CHIPADDR 0x5c
#define NOVENA_IT6251_LVDSADDR 0x5e
void setup_display_clock(void);
void setup_display_lvds(void);
#endif /* __BOARD_KOSAGI_NOVENA_NOVENA_H__ */

View file

@ -25,6 +25,8 @@
#include <asm/arch/mx6-ddr.h>
#include "novena.h"
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL \
@ -68,14 +70,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
#define NOVENA_AUDIO_PWRON IMX_GPIO_NR(5, 17)
#define NOVENA_FPGA_RESET_N_GPIO IMX_GPIO_NR(5, 7)
#define NOVENA_HDMI_GHOST_HPD IMX_GPIO_NR(5, 4)
#define NOVENA_PCIE_RESET_GPIO IMX_GPIO_NR(3, 29)
#define NOVENA_PCIE_POWER_ON_GPIO IMX_GPIO_NR(7, 12)
#define NOVENA_PCIE_WAKE_UP_GPIO IMX_GPIO_NR(3, 22)
#define NOVENA_PCIE_DISABLE_GPIO IMX_GPIO_NR(2, 16)
/*
* Audio
*/
@ -392,6 +386,13 @@ static void novena_spl_setup_iomux_uart(void)
static iomux_v3_cfg_t hdmi_pads[] = {
/* "Ghost HPD" pin */
MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LCD_PWR_CTL */
MX6_PAD_CSI0_DAT10__GPIO5_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LCD_BL_ON */
MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* GPIO_PWM1 */
MX6_PAD_DISP0_DAT8__GPIO4_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void novena_spl_setup_iomux_video(void)

456
board/kosagi/novena/video.c Normal file
View file

@ -0,0 +1,456 @@
/*
* Novena video output support
*
* IT6251 code based on code Copyright (C) 2014 Sean Cross
* from https://github.com/xobs/novena-linux.git commit
* 3d85836ee1377d445531928361809612aa0a18db
*
* Copyright (C) 2014 Marek Vasut <marex@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/sys_proto.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/video.h>
#include <i2c.h>
#include <input.h>
#include <ipu_pixfmt.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <malloc.h>
#include <stdio_dev.h>
#include "novena.h"
#define IT6251_VENDOR_ID_LOW 0x00
#define IT6251_VENDOR_ID_HIGH 0x01
#define IT6251_DEVICE_ID_LOW 0x02
#define IT6251_DEVICE_ID_HIGH 0x03
#define IT6251_SYSTEM_STATUS 0x0d
#define IT6251_SYSTEM_STATUS_RINTSTATUS (1 << 0)
#define IT6251_SYSTEM_STATUS_RHPDSTATUS (1 << 1)
#define IT6251_SYSTEM_STATUS_RVIDEOSTABLE (1 << 2)
#define IT6251_SYSTEM_STATUS_RPLL_IOLOCK (1 << 3)
#define IT6251_SYSTEM_STATUS_RPLL_XPLOCK (1 << 4)
#define IT6251_SYSTEM_STATUS_RPLL_SPLOCK (1 << 5)
#define IT6251_SYSTEM_STATUS_RAUXFREQ_LOCK (1 << 6)
#define IT6251_REF_STATE 0x0e
#define IT6251_REF_STATE_MAIN_LINK_DISABLED (1 << 0)
#define IT6251_REF_STATE_AUX_CHANNEL_READ (1 << 1)
#define IT6251_REF_STATE_CR_PATTERN (1 << 2)
#define IT6251_REF_STATE_EQ_PATTERN (1 << 3)
#define IT6251_REF_STATE_NORMAL_OPERATION (1 << 4)
#define IT6251_REF_STATE_MUTED (1 << 5)
#define IT6251_REG_PCLK_CNT_LOW 0x57
#define IT6251_REG_PCLK_CNT_HIGH 0x58
#define IT6521_RETRY_MAX 20
static int it6251_is_stable(void)
{
const unsigned int caddr = NOVENA_IT6251_CHIPADDR;
const unsigned int laddr = NOVENA_IT6251_LVDSADDR;
int status;
int clkcnt;
int rpclkcnt;
int refstate;
rpclkcnt = (i2c_reg_read(caddr, 0x13) & 0xff) |
((i2c_reg_read(caddr, 0x14) << 8) & 0x0f00);
debug("RPCLKCnt: %d\n", rpclkcnt);
status = i2c_reg_read(caddr, IT6251_SYSTEM_STATUS);
debug("System status: 0x%02x\n", status);
clkcnt = (i2c_reg_read(laddr, IT6251_REG_PCLK_CNT_LOW) & 0xff) |
((i2c_reg_read(laddr, IT6251_REG_PCLK_CNT_HIGH) << 8) &
0x0f00);
debug("Clock: 0x%02x\n", clkcnt);
refstate = i2c_reg_read(laddr, IT6251_REF_STATE);
debug("Ref Link State: 0x%02x\n", refstate);
if ((refstate & 0x1f) != 0)
return 0;
/* If video is muted, that's a failure */
if (refstate & IT6251_REF_STATE_MUTED)
return 0;
if (!(status & IT6251_SYSTEM_STATUS_RVIDEOSTABLE))
return 0;
return 1;
}
static int it6251_ready(void)
{
const unsigned int caddr = NOVENA_IT6251_CHIPADDR;
/* Test if the IT6251 came out of reset by reading ID regs. */
if (i2c_reg_read(caddr, IT6251_VENDOR_ID_LOW) != 0x15)
return 0;
if (i2c_reg_read(caddr, IT6251_VENDOR_ID_HIGH) != 0xca)
return 0;
if (i2c_reg_read(caddr, IT6251_DEVICE_ID_LOW) != 0x51)
return 0;
if (i2c_reg_read(caddr, IT6251_DEVICE_ID_HIGH) != 0x62)
return 0;
return 1;
}
static void it6251_program_regs(void)
{
const unsigned int caddr = NOVENA_IT6251_CHIPADDR;
const unsigned int laddr = NOVENA_IT6251_LVDSADDR;
i2c_reg_write(caddr, 0x05, 0x00);
mdelay(1);
/* set LVDSRX address, and enable */
i2c_reg_write(caddr, 0xfd, 0xbc);
i2c_reg_write(caddr, 0xfe, 0x01);
/*
* LVDSRX
*/
/* This write always fails, because the chip goes into reset */
/* reset LVDSRX */
i2c_reg_write(laddr, 0x05, 0xff);
i2c_reg_write(laddr, 0x05, 0x00);
/* reset LVDSRX PLL */
i2c_reg_write(laddr, 0x3b, 0x42);
i2c_reg_write(laddr, 0x3b, 0x43);
/* something with SSC PLL */
i2c_reg_write(laddr, 0x3c, 0x08);
/* don't swap links, but writing reserved registers */
i2c_reg_write(laddr, 0x0b, 0x88);
/* JEIDA, 8-bit depth 0x11, orig 0x42 */
i2c_reg_write(laddr, 0x2c, 0x01);
/* "reserved" */
i2c_reg_write(laddr, 0x32, 0x04);
/* "reserved" */
i2c_reg_write(laddr, 0x35, 0xe0);
/* "reserved" + clock delay */
i2c_reg_write(laddr, 0x2b, 0x24);
/* reset LVDSRX pix clock */
i2c_reg_write(laddr, 0x05, 0x02);
i2c_reg_write(laddr, 0x05, 0x00);
/*
* DPTX
*/
/* set for two lane mode, normal op, no swapping, no downspread */
i2c_reg_write(caddr, 0x16, 0x02);
/* some AUX channel EDID magic */
i2c_reg_write(caddr, 0x23, 0x40);
/* power down lanes 3-0 */
i2c_reg_write(caddr, 0x5c, 0xf3);
/* enable DP scrambling, change EQ CR phase */
i2c_reg_write(caddr, 0x5f, 0x06);
/* color mode RGB, pclk/2 */
i2c_reg_write(caddr, 0x60, 0x02);
/* dual pixel input mode, no EO swap, no RGB swap */
i2c_reg_write(caddr, 0x61, 0x04);
/* M444B24 video format */
i2c_reg_write(caddr, 0x62, 0x01);
/* vesa range / not interlace / vsync high / hsync high */
i2c_reg_write(caddr, 0xa0, 0x0F);
/* hpd event timer set to 1.6-ish ms */
i2c_reg_write(caddr, 0xc9, 0xf5);
/* more reserved magic */
i2c_reg_write(caddr, 0xca, 0x4d);
i2c_reg_write(caddr, 0xcb, 0x37);
/* enhanced framing mode, auto video fifo reset, video mute disable */
i2c_reg_write(caddr, 0xd3, 0x03);
/* "vidstmp" and some reserved stuff */
i2c_reg_write(caddr, 0xd4, 0x45);
/* queue number -- reserved */
i2c_reg_write(caddr, 0xe7, 0xa0);
/* info frame packets and reserved */
i2c_reg_write(caddr, 0xe8, 0x33);
/* more AVI stuff */
i2c_reg_write(caddr, 0xec, 0x00);
/* select PC master reg for aux channel? */
i2c_reg_write(caddr, 0x23, 0x42);
/* send PC request commands */
i2c_reg_write(caddr, 0x24, 0x00);
i2c_reg_write(caddr, 0x25, 0x00);
i2c_reg_write(caddr, 0x26, 0x00);
/* native aux read */
i2c_reg_write(caddr, 0x2b, 0x00);
/* back to internal */
i2c_reg_write(caddr, 0x23, 0x40);
/* voltage swing level 3 */
i2c_reg_write(caddr, 0x19, 0xff);
/* pre-emphasis level 3 */
i2c_reg_write(caddr, 0x1a, 0xff);
/* start link training */
i2c_reg_write(caddr, 0x17, 0x01);
}
static int it6251_init(void)
{
const unsigned int caddr = NOVENA_IT6251_CHIPADDR;
int reg;
int tries, retries = 0;
for (retries = 0; retries < IT6521_RETRY_MAX; retries++) {
/* Program the chip. */
it6251_program_regs();
/* Wait for video stable. */
for (tries = 0; tries < 100; tries++) {
reg = i2c_reg_read(caddr, 0x17);
/* Test Link CFG, STS, LCS read done. */
if ((reg & 0xe0) != 0xe0) {
/* Not yet, wait a bit more. */
mdelay(2);
continue;
}
/* Test if the video input is stable. */
if (it6251_is_stable())
return 0;
}
/*
* If we couldn't stabilize, requeue and try again,
* because it means that the LVDS channel isn't
* stable yet.
*/
printf("Display didn't stabilize.\n");
printf("This may be because the LVDS port is still in powersave mode.\n");
mdelay(50);
}
return -EINVAL;
}
static void enable_hdmi(struct display_info_t const *dev)
{
imx_enable_hdmi_phy();
}
static int lvds_enabled;
static void enable_lvds(struct display_info_t const *dev)
{
if (lvds_enabled)
return;
/* ITE IT6251 power enable. */
gpio_direction_output(NOVENA_ITE6251_PWR_GPIO, 0);
mdelay(10);
gpio_direction_output(NOVENA_ITE6251_PWR_GPIO, 1);
mdelay(20);
lvds_enabled = 1;
}
static int detect_lvds(struct display_info_t const *dev)
{
int ret, loops = 250;
enable_lvds(dev);
ret = i2c_set_bus_num(NOVENA_IT6251_I2C_BUS);
if (ret) {
puts("Cannot select IT6251 I2C bus.\n");
return 0;
}
/* Wait up-to ~250 mS for the LVDS to come up. */
while (--loops) {
ret = it6251_ready();
if (ret)
return ret;
mdelay(1);
}
return 0;
}
struct display_info_t const displays[] = {
{
/* HDMI Output */
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = detect_hdmi,
.enable = enable_hdmi,
.mode = {
.name = "HDMI",
.refresh = 60,
.xres = 1024,
.yres = 768,
.pixclock = 15384,
.left_margin = 220,
.right_margin = 40,
.upper_margin = 21,
.lower_margin = 7,
.hsync_len = 60,
.vsync_len = 10,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
},
}, {
/* LVDS Output: N133HSE-EA1 Rev. C1 */
.bus = -1,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = detect_lvds,
.enable = enable_lvds,
.mode = {
.name = "Chimei-FHD",
.refresh = 60,
.xres = 1920,
.yres = 1080,
.pixclock = 15384,
.left_margin = 148,
.right_margin = 88,
.upper_margin = 36,
.lower_margin = 4,
.hsync_len = 44,
.vsync_len = 5,
.sync = FB_SYNC_HOR_HIGH_ACT |
FB_SYNC_VERT_HIGH_ACT |
FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED,
},
},
};
size_t display_count = ARRAY_SIZE(displays);
static void enable_vpll(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
int timeout = 100000;
setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
clrsetbits_le32(&ccm->analog_pll_video,
BM_ANADIG_PLL_VIDEO_DIV_SELECT |
BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
while (timeout--)
if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
break;
if (timeout < 0)
printf("Warning: video pll lock timeout!\n");
clrsetbits_le32(&ccm->analog_pll_video,
BM_ANADIG_PLL_VIDEO_BYPASS,
BM_ANADIG_PLL_VIDEO_ENABLE);
}
void setup_display_clock(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
enable_ipu_clock();
enable_vpll();
imx_setup_hdmi();
/* Turn on IPU LDB DI0 clocks */
setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
/* Switch LDB DI0 to PLL5 (Video PLL) */
clrsetbits_le32(&mxc_ccm->cs2cdr,
MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK,
(0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET));
/* LDB clock div by 3.5 */
clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
/* DI0 clock derived from ldb_di0_clk */
clrsetbits_le32(&mxc_ccm->chsccdr,
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
(CHSCCDR_CLK_SEL_LDB_DI0 <<
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)
);
/* Enable both LVDS channels, both connected to DI0. */
writel(IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH |
IOMUXC_GPR2_BIT_MAPPING_CH1_JEIDA |
IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
IOMUXC_GPR2_BIT_MAPPING_CH0_JEIDA |
IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0 |
IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
&iomux->gpr[2]);
clrsetbits_le32(&iomux->gpr[3],
IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
IOMUXC_GPR3_LVDS1_MUX_CTL_MASK,
(IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET) |
(IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET)
);
}
void setup_display_lvds(void)
{
int ret;
ret = i2c_set_bus_num(NOVENA_IT6251_I2C_BUS);
if (ret) {
puts("Cannot select LVDS-to-eDP I2C bus.\n");
return;
}
/* The IT6251 should be ready now, if it's not, it's not connected. */
ret = it6251_ready();
if (!ret)
return;
/* Init the LVDS-to-eDP chip and if it succeeded, enable backlight. */
ret = it6251_init();
if (!ret) {
/* Backlight power enable. */
gpio_direction_output(NOVENA_BACKLIGHT_PWR_GPIO, 1);
/* PWM backlight pin, always on for full brightness. */
gpio_direction_output(NOVENA_BACKLIGHT_PWM_GPIO, 1);
}
}

View file

@ -78,33 +78,3 @@ int board_init(void)
return 0;
}
/* Fine-tune the DRAM configuration. */
void mxs_adjust_memory_params(uint32_t *dram_vals)
{
/* Enable Auto Precharge. */
dram_vals[3] |= 1 << 8;
/* Enable Fast Writes. */
dram_vals[5] |= 1 << 8;
/* tEMRS = 3*tCK */
dram_vals[10] &= ~(0x3 << 8);
dram_vals[10] |= (0x3 << 8);
/* CASLAT = 3*tCK */
dram_vals[11] &= ~(0x3 << 0);
dram_vals[11] |= (0x3 << 0);
/* tCKE = 1*tCK */
dram_vals[12] &= ~(0x7 << 0);
dram_vals[12] |= (0x1 << 0);
/* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */
dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0));
dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0);
/* tDAL = 6*tCK */
dram_vals[15] &= ~(0xf << 16);
dram_vals[15] |= (0x6 << 16);
/* tREF = 1040*tCK */
dram_vals[26] &= ~0xffff;
dram_vals[26] |= 0x0410;
/* tRAS_MAX = 9334*tCK */
dram_vals[32] &= ~0xffff;
dram_vals[32] |= 0x2475;
}

View file

@ -89,3 +89,33 @@ void board_init_ll(const uint32_t arg, const uint32_t *resptr)
{
mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup));
}
/* Fine-tune the DRAM configuration. */
void mxs_adjust_memory_params(uint32_t *dram_vals)
{
/* Enable Auto Precharge. */
dram_vals[3] |= 1 << 8;
/* Enable Fast Writes. */
dram_vals[5] |= 1 << 8;
/* tEMRS = 3*tCK */
dram_vals[10] &= ~(0x3 << 8);
dram_vals[10] |= (0x3 << 8);
/* CASLAT = 3*tCK */
dram_vals[11] &= ~(0x3 << 0);
dram_vals[11] |= (0x3 << 0);
/* tCKE = 1*tCK */
dram_vals[12] &= ~(0x7 << 0);
dram_vals[12] |= (0x1 << 0);
/* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */
dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0));
dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0);
/* tDAL = 6*tCK */
dram_vals[15] &= ~(0xf << 16);
dram_vals[15] |= (0x6 << 16);
/* tREF = 1040*tCK */
dram_vals[26] &= ~0xffff;
dram_vals[26] |= 0x0410;
/* tRAS_MAX = 9334*tCK */
dram_vals[32] &= ~0xffff;
dram_vals[32] |= 0x2475;
}

View file

@ -78,14 +78,7 @@
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_BOUNCE_BUFFER
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_DOS_PARTITION
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_FEC_MXC
#define CONFIG_MII
#define IMX_FEC_BASE ENET_BASE_ADDR
@ -114,151 +107,19 @@
/* Command definition */
#include <config_cmd_default.h>
#undef CONFIG_CMD_FPGA
#define CONFIG_CMD_BMODE
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMD_SETEXPR
#undef CONFIG_CMD_IMLS
#define CONFIG_BOOTDELAY 1
#define CONFIG_LOADADDR 0x12000000
#define CONFIG_SYS_TEXT_BASE 0x17800000
#ifdef CONFIG_SUPPORT_EMMC_BOOT
#define EMMC_ENV \
"emmcdev=2\0" \
"update_emmc_firmware=" \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"if ${get_cmd} ${update_sd_firmware_filename}; then " \
"if mmc dev ${emmcdev}; then " \
"setexpr fw_sz ${filesize} / 0x200; " \
"setexpr fw_sz ${fw_sz} + 1; " \
"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
"fi; " \
"fi\0"
#else
#define EMMC_ENV ""
#endif
#ifdef CONFIG_CMD_SF
#define SF_ENV \
"update_spi_firmware=" \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"if ${get_cmd} ${update_spi_firmware_filename}; then " \
"if sf probe; then " \
"sf erase 0 0xc0000; " \
"sf write ${loadaddr} 0x400 ${filesize}; " \
"fi; " \
"fi\0"
#else
#define SF_ENV ""
#endif
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=zImage\0" \
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
"fdt_addr=0x18000000\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"console=" CONFIG_CONSOLE_DEV "\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
"mmcpart=1\0" \
"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
"update_sd_firmware=" \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"if mmc dev ${mmcdev}; then " \
"if ${get_cmd} ${update_sd_firmware_filename}; then " \
"setexpr fw_sz ${filesize} / 0x200; " \
"setexpr fw_sz ${fw_sz} + 1; " \
"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
"fi; " \
"fi\0" \
EMMC_ENV \
SF_ENV \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0" \
"netargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"${get_cmd} ${image}; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev};" \
"if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loadimage; then " \
"run mmcboot; " \
"else run netboot; " \
"fi; " \
"fi; " \
"else run netboot; fi"
#define CONFIG_ARP_TIMEOUT 200UL
/* Miscellaneous configurable options */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_CBSIZE 256
/* Print Buffer Size */
@ -272,7 +133,6 @@
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_CMDLINE_EDITING
#define CONFIG_STACKSIZE (128 * 1024)
/* Physical Memory Map */
@ -295,14 +155,14 @@
#if defined(CONFIG_ENV_IS_IN_MMC)
/* RiOTboard */
#define CONFIG_DEFAULT_FDT_FILE "imx6dl-riotboard.dtb"
#define CONFIG_FDTFILE "imx6dl-riotboard.dtb"
#define CONFIG_SYS_FSL_USDHC_NUM 3
#define CONFIG_SYS_MMC_ENV_DEV 2 /* SDHC4 */
#define CONFIG_ENV_OFFSET (6 * 64 * 1024)
#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */
#elif defined(CONFIG_ENV_IS_IN_SPI_FLASH)
/* MarSBoard */
#define CONFIG_DEFAULT_FDT_FILE "imx6q-marsboard.dtb"
#define CONFIG_FDTFILE "imx6q-marsboard.dtb"
#define CONFIG_SYS_FSL_USDHC_NUM 2
#define CONFIG_ENV_OFFSET (768 * 1024)
#define CONFIG_ENV_SECT_SIZE (8 * 1024)
@ -312,8 +172,6 @@
#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
#endif
#define CONFIG_OF_LIBFDT
#ifndef CONFIG_SYS_DCACHE_OFF
#define CONFIG_CMD_CACHE
#endif
@ -335,4 +193,43 @@
#define CONFIG_IMX_HDMI
#define CONFIG_IMX_VIDEO_SKIP
#include <config_distro_defaults.h>
/* 256M RAM (minimum), 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
* 1M script, 1M pxe and the ramdisk at the end */
#define MEM_LAYOUT_ENV_SETTINGS \
"bootm_size=0x10000000\0" \
"kernel_addr_r=0x12000000\0" \
"fdt_addr_r=0x13000000\0" \
"scriptaddr=0x13100000\0" \
"pxefile_addr_r=0x13200000\0" \
"ramdisk_addr_r=0x13300000\0"
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 0) \
func(MMC, mmc, 1) \
func(MMC, mmc, 2) \
func(USB, usb, 0) \
func(PXE, pxe, na) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
#define CONSOLE_STDIN_SETTINGS \
"stdin=serial\0"
#define CONSOLE_STDOUT_SETTINGS \
"stdout=serial\0" \
"stderr=serial\0"
#define CONSOLE_ENV_SETTINGS \
CONSOLE_STDIN_SETTINGS \
CONSOLE_STDOUT_SETTINGS
#define CONFIG_EXTRA_ENV_SETTINGS \
CONSOLE_ENV_SETTINGS \
MEM_LAYOUT_ENV_SETTINGS \
"fdtfile=" CONFIG_FDTFILE "\0" \
BOOTENV
#endif /* __RIOTBOARD_CONFIG_H */

View file

@ -39,6 +39,7 @@
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (10 * 1024 * 1024)
#define CONFIG_SYS_MALLOC_F_LEN (1 << 10)
/* Init Functions */
#define CONFIG_BOARD_EARLY_INIT_F

View file

@ -189,4 +189,18 @@
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
/* USB Configs */
#define CONFIG_CMD_USB
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MX6
#define CONFIG_USB_STORAGE
#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
#define CONFIG_USB_HOST_ETHER
#define CONFIG_USB_ETHER_ASIX
#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
#define CONFIG_MXC_USB_FLAGS 0
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
#endif
#endif /* __CONFIG_H */

View file

@ -60,4 +60,18 @@
#define CONFIG_POWER_PFUZE100
#define CONFIG_POWER_PFUZE100_I2C_ADDR 0x08
/* USB Configs */
#define CONFIG_CMD_USB
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MX6
#define CONFIG_USB_STORAGE
#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
#define CONFIG_USB_HOST_ETHER
#define CONFIG_USB_ETHER_ASIX
#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
#define CONFIG_MXC_USB_FLAGS 0
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 /* Enabled USB controller number */
#endif
#endif /* __MX6QSABRESD_CONFIG_H */

View file

@ -12,6 +12,7 @@
/* System configurations */
#define CONFIG_MX6
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_MISC_INIT_R
#define CONFIG_DISPLAY_BOARDINFO
#define CONFIG_DISPLAY_CPUINFO
@ -115,6 +116,7 @@
#define CONFIG_SYS_MEMTEST_END 0x20000000
#define CONFIG_SYS_MALLOC_LEN (64 * 1024 * 1024)
#define CONFIG_SYS_MALLOC_F_LEN (1 << 10)
/* SPL */
#define CONFIG_SPL_FAT_SUPPORT
@ -225,7 +227,6 @@
/* Video output */
#ifdef CONFIG_VIDEO
#define CONFIG_VIDEO
#define CONFIG_VIDEO_IPUV3
#define CONFIG_CFB_CONSOLE
#define CONFIG_VGA_AS_SINGLE_DEVICE

View file

@ -85,6 +85,7 @@
/* USB Configs */
#define CONFIG_CMD_USB
#define CONFIG_USB_STORAGE
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MX6
#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
@ -197,6 +198,8 @@
#define CONFIG_CMD_EXT4
#define CONFIG_DOS_PARTITION
#define CONFIG_CMD_FS_GENERIC
#define CONFIG_LIB_UUID
#define CONFIG_CMD_FS_UUID
#define CONFIG_BOOTP_SERVERIP
#define CONFIG_BOOTP_BOOTFILE