/*
* (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
* (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <init.h>
#include <driver.h>
#include <environment.h>
#include <mach/imx-regs.h>
#include <asm/armlinux.h>
#include <mach/gpio.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <partition.h>
#include <generated/mach-types.h>
#include <mach/imx-nand.h>
#include <mach/imxfb.h>
#include <fec.h>
#include <nand.h>
#include <mach/imx-flash-header.h>
#include <mach/iomux-mx25.h>
#include <i2c/i2c.h>
#include <usb/fsl_usb2.h>
#include <mach/usb.h>
#include <mach/devices-imx25.h>
extern unsigned long _stext;
extern void exception_vectors(void);
void __naked __flash_header_start go(void)
{
__asm__ __volatile__("b exception_vectors\n");
}
struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
{ .ptr_type = 4, .addr = 0xb8001010, .val = 0x00000004, },
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x92100000, },
{ .ptr_type = 1, .addr = 0x80000400, .val = 0x12344321, },
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xa2100000, },
{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xb2100000, },
{ .ptr_type = 1, .addr = 0x80000033, .val = 0xda, },
{ .ptr_type = 1, .addr = 0x81000000, .val = 0xff, },
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x82216080, },
{ .ptr_type = 4, .addr = 0xb8001004, .val = 0x00295729, },
{ .ptr_type = 4, .addr = 0x53f80008, .val = 0x20034000, },
};
struct imx_flash_header __flash_header_section flash_header = {
.app_code_jump_vector = DEST_BASE + ((unsigned int)&exception_vectors - TEXT_BASE),
.app_code_barker = APP_CODE_BARKER,
.app_code_csf = 0,
.dcd_ptr_ptr = FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd),
.super_root_key = 0,
.dcd = FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd_barker),
.app_dest = DEST_BASE,
.dcd_barker = DCD_BARKER,
.dcd_block_len = sizeof(dcd_entry),
};
extern unsigned long __bss_start;
unsigned long __image_len_section barebox_len = 0x40000;
static struct fec_platform_data fec_info = {
.xcv_type = RMII,
.phy_addr = 1,
};
static struct memory_platform_data sdram_pdata = {
.name = "ram0",
.flags = DEVFS_RDWR,
};
static struct device_d sdram0_dev = {
.id = -1,
.name = "mem",
.map_base = IMX_SDRAM_CS0,
.size = 64 * 1024 * 1024,
.platform_data = &sdram_pdata,
};
struct imx_nand_platform_data nand_info = {
.width = 1,
.hw_ecc = 1,
};
static struct imx_fb_videomode imxfb_mode = {
.mode = {
.name = "CMO-QVGA",
.refresh = 60,
.xres = 320,
.yres = 240,
.pixclock = KHZ2PICOS(6500),
.hsync_len = 30,
.left_margin = 38,
.right_margin = 20,
.vsync_len = 3,
.upper_margin = 15,
.lower_margin = 4,
},
.pcr = 0xCAD08B80,
.bpp = 16,
};
static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = {
.mode = &imxfb_mode,
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x80040060,
};
#ifdef CONFIG_USB
static void imx25_usb_init(void)
{
unsigned int tmp;
/* Host 1 */
tmp = readl(IMX_OTG_BASE + 0x600);
tmp &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
tmp |= (MXC_EHCI_INTERFACE_SINGLE_UNI) << MX35_H1_SIC_SHIFT;
tmp |= MX35_H1_USBTE_BIT;
tmp |= MX35_H1_IPPUE_DOWN_BIT;
writel(tmp, IMX_OTG_BASE + 0x600);
tmp = readl(IMX_OTG_BASE + 0x584);
tmp |= 3 << 30;
writel(tmp, IMX_OTG_BASE + 0x584);
/* Set to Host mode */
tmp = readl(IMX_OTG_BASE + 0x5a8);
writel(tmp | 0x3, IMX_OTG_BASE + 0x5a8);
}
static struct device_d usbh2_dev = {
.id = -1,
.name = "ehci",
.map_base = IMX_OTG_BASE + 0x400,
.size = 0x200,
};
#endif
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
};
static struct device_d usbotg_dev = {
.name = "fsl-udc",
.map_base = IMX_OTG_BASE,
.size = 0x200,
.platform_data = &usb_pdata,
};
#ifdef CONFIG_MMU
static void eukrea_cpuimx25_mmu_init(void)
{
mmu_init();
arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED);
arm_create_section(0x90000000, 0x80000000, 128, PMD_SECT_DEF_UNCACHED);
setup_dma_coherent(0x10000000);
mmu_enable();
}
#else
static void eukrea_cpuimx25_mmu_init(void)
{
}
#endif
static struct pad_desc eukrea_cpuimx25_pads[] = {
MX25_PAD_FEC_MDC__MDC,
MX25_PAD_FEC_MDIO__MDIO,
MX25_PAD_FEC_RDATA0__RDATA0,
MX25_PAD_FEC_RDATA1__RDATA1,
MX25_PAD_FEC_RX_DV__RX_DV,
MX25_PAD_FEC_TDATA0__TDATA0,
MX25_PAD_FEC_TDATA1__TDATA1,
MX25_PAD_FEC_TX_CLK__TX_CLK,
MX25_PAD_FEC_TX_EN__TX_EN,
/* UART1 */
MX25_PAD_UART1_RXD__RXD_MUX,
MX25_PAD_UART1_TXD__TXD_MUX,
MX25_PAD_UART1_RTS__RTS,
MX25_PAD_UART1_CTS__CTS,
/* LCDC */
MX25_PAD_LD0__LCDC_LD0,
MX25_PAD_LD1__LCDC_LD1,
MX25_PAD_LD2__LCDC_LD2,
MX25_PAD_LD3__LCDC_LD3,
MX25_PAD_LD4__LCDC_LD4,
MX25_PAD_LD5__LCDC_LD5,
MX25_PAD_LD6__LCDC_LD6,
MX25_PAD_LD7__LCDC_LD7,
MX25_PAD_LD8__LCDC_LD8,
MX25_PAD_LD9__LCDC_LD9,
MX25_PAD_LD10__LCDC_LD10,
MX25_PAD_LD11__LCDC_LD11,
MX25_PAD_LD12__LCDC_LD12,
MX25_PAD_LD13__LCDC_LD13,
MX25_PAD_LD14__LCDC_LD14,
MX25_PAD_LD15__LCDC_LD15,
MX25_PAD_GPIO_E__LCDC_LD16,
MX25_PAD_GPIO_F__LCDC_LD17,
MX25_PAD_LSCLK__LCDC_LSCLK,
MX25_PAD_OE_ACD__LCDC_OE_ACD,
MX25_PAD_VSYNC__LCDC_VSYN,
MX25_PAD_HSYNC__LCDC_HSYN,
/* BACKLIGHT CONTROL */
MX25_PAD_PWM__GPIO26,
/* I2C */
MX25_PAD_I2C1_CLK__SCL,
MX25_PAD_I2C1_DAT__SDA,
/* SDCard */
MX25_PAD_SD1_CLK__CLK,
MX25_PAD_SD1_CMD__CMD,
MX25_PAD_SD1_DATA0__DAT0,
MX25_PAD_SD1_DATA1__DAT1,
MX25_PAD_SD1_DATA2__DAT2,
MX25_PAD_SD1_DATA3__DAT3,
};
static int eukrea_cpuimx25_devices_init(void)
{
eukrea_cpuimx25_mmu_init();
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
ARRAY_SIZE(eukrea_cpuimx25_pads));
imx25_add_fec(&fec_info);
nand_info.width = 1;
imx25_add_nand(&nand_info);
devfs_add_partition("nand0", 0x00000, 0x40000,
PARTITION_FIXED, "self_raw");
dev_add_bb_dev("self_raw", "self0");
devfs_add_partition("nand0", 0x40000, 0x20000,
PARTITION_FIXED, "env_raw");
dev_add_bb_dev("env_raw", "env0");
register_device(&sdram0_dev);
/* enable LCD */
gpio_direction_output(26, 1);
gpio_set_value(26, 1);
imx25_add_fb(&eukrea_cpuimx25_fb_data);
imx25_add_i2c0(NULL);
imx25_add_mmc0(NULL);
#ifdef CONFIG_USB
imx25_usb_init();
register_device(&usbh2_dev);
#endif
register_device(&usbotg_dev);
armlinux_add_dram(&sdram0_dev);
armlinux_set_bootparams((void *)0x80000100);
armlinux_set_architecture(MACH_TYPE_EUKREA_CPUIMX25);
return 0;
}
device_initcall(eukrea_cpuimx25_devices_init);
static int eukrea_cpuimx25_console_init(void)
{
imx25_add_uart0();
return 0;
}
console_initcall(eukrea_cpuimx25_console_init);
#ifdef CONFIG_NAND_IMX_BOOT
void __bare_init nand_boot(void)
{
imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
}
#endif
static int eukrea_cpuimx25_core_init(void) {
/* enable UART1, FEC, SDHC, USB & I2C clock */
writel(readl(IMX_CCM_BASE + CCM_CGCR0) | (1 << 6) | (1 << 23)
| (1 << 15) | (1 << 21) | (1 << 3) | (1 << 28),
IMX_CCM_BASE + CCM_CGCR0);
writel(readl(IMX_CCM_BASE + CCM_CGCR1) | (1 << 23) | (1 << 15)
| (1 << 13), IMX_CCM_BASE + CCM_CGCR1);
writel(readl(IMX_CCM_BASE + CCM_CGCR2) | (1 << 14),
IMX_CCM_BASE + CCM_CGCR2);
return 0;
}
core_initcall(eukrea_cpuimx25_core_init);
