/* * Copyright (C) 2007, Guennadi Liakhovetski * * (C) Copyright 2009-2010 Freescale Semiconductor, Inc. * * 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 #include #include #include #include #include #include #include #include "board-imx51.h" #ifdef CONFIG_IMX_ECSPI #include #include #endif #include #ifdef CONFIG_CMD_MMC #include #include #endif #ifdef CONFIG_ARCH_MMU #include #include #endif #ifdef CONFIG_FSL_ANDROID #include #include #include #include #include #include #include #endif DECLARE_GLOBAL_DATA_PTR; static u32 system_rev; static enum boot_device boot_dev; u32 mx51_io_base_addr; static inline void setup_boot_device(void) { uint *fis_addr = (uint *)IRAM_BASE_ADDR; switch (*fis_addr) { case NAND_FLASH_BOOT: boot_dev = NAND_BOOT; break; case SPI_NOR_FLASH_BOOT: boot_dev = SPI_NOR_BOOT; break; case MMC_FLASH_BOOT: boot_dev = MMC_BOOT; break; default: { uint soc_sbmr = readl(SRC_BASE_ADDR + 0x4); uint bt_mem_ctl = soc_sbmr & 0x00000003; uint bt_mem_type = (soc_sbmr & 0x00000180) >> 7; switch (bt_mem_ctl) { case 0x3: if (bt_mem_type == 0) boot_dev = MMC_BOOT; else if (bt_mem_type == 3) boot_dev = SPI_NOR_BOOT; else boot_dev = UNKNOWN_BOOT; break; case 0x1: boot_dev = NAND_BOOT; break; default: boot_dev = UNKNOWN_BOOT; } } break; } } enum boot_device get_boot_device(void) { return boot_dev; } u32 get_board_rev(void) { return system_rev; } static inline void setup_soc_rev(void) { int reg; #ifdef CONFIG_ARCH_MMU reg = __REG(0x20000000 + ROM_SI_REV); /* Virtual address */ #else reg = __REG(ROM_SI_REV); #endif switch (reg) { case 0x02: system_rev = 0x51000 | CHIP_REV_1_1; break; case 0x10: system_rev = 0x51000 | CHIP_REV_2_0; break; case 0x20: system_rev = 0x51000 | CHIP_REV_3_0; break; default: system_rev = 0x51000 | CHIP_REV_1_0; } } static inline void set_board_rev(void) { if ((__REG(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0) system_rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET; } inline int is_soc_rev(int rev) { return (system_rev & 0xFF) - rev; } #ifdef CONFIG_ARCH_MMU void board_mmu_init(void) { unsigned long ttb_base = PHYS_SDRAM_1 + 0x4000; unsigned long i; /* * Set the TTB register */ asm volatile ("mcr p15, 0, %0, c2, c0, 0" : : "r"(ttb_base) /*:*/); /* * Set the Domain Access Control Register */ i = ARM_ACCESS_DACR_DEFAULT; asm volatile ("mcr p15, 0, %0, c3, c0, 0" : : "r"(i) /*:*/); /* * First clear all TT entries - ie Set them to Faulting */ memset((void *)ttb_base, 0, ARM_FIRST_LEVEL_PAGE_TABLE_SIZE); /* Actual Virtual Size Attributes Function */ /* Base Base MB cached? buffered? access permissions */ /* xxx00000 xxx00000 */ X_ARM_MMU_SECTION(0x000, 0x200, 0x1, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* ROM */ X_ARM_MMU_SECTION(0x1FF, 0x1FF, 0x001, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* IRAM */ X_ARM_MMU_SECTION(0x300, 0x300, 0x100, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* GPU */ X_ARM_MMU_SECTION(0x400, 0x400, 0x200, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* IPUv3D */ X_ARM_MMU_SECTION(0x600, 0x600, 0x300, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* periperals */ X_ARM_MMU_SECTION(0x900, 0x000, 0x1FF, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SDRAM */ X_ARM_MMU_SECTION(0x900, 0x900, 0x200, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SDRAM */ X_ARM_MMU_SECTION(0x900, 0xE00, 0x200, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SDRAM 0:128M*/ X_ARM_MMU_SECTION(0xB80, 0xB80, 0x10, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* CS1 EIM control*/ X_ARM_MMU_SECTION(0xCC0, 0xCC0, 0x040, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* CS4/5/NAND Flash buffer */ /* Workaround for arm errata #709718 */ /* Setup PRRR so device is always mapped to non-shared */ asm volatile ("mrc p15, 0, %0, c10, c2, 0" : "=r"(i) : /*:*/); i &= (~(3 << 0x10)); asm volatile ("mcr p15, 0, %0, c10, c2, 0" : : "r"(i) /*:*/); /* Enable MMU */ MMU_ON(); } #endif int dram_init(void) { gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return 0; } static void setup_uart(void) { unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH; mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST); mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST); mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad); mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad); /* enable GPIO1_9 for CLK0 and GPIO1_8 for CLK02 */ writel(0x00000004, 0x73fa83e8); writel(0x00000004, 0x73fa83ec); } void setup_nfc(void) { /* Enable NFC IOMUX */ mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT0); } static void setup_expio(void) { u32 reg; /* CS5 setup */ mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT0); writel(0x00410089, WEIM_BASE_ADDR + 0x78 + CSGCR1); writel(0x00000002, WEIM_BASE_ADDR + 0x78 + CSGCR2); /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */ writel(0x32260000, WEIM_BASE_ADDR + 0x78 + CSRCR1); /* APR = 0 */ writel(0x00000000, WEIM_BASE_ADDR + 0x78 + CSRCR2); /* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, WEN=0, * WCSA=0, WCSN=0 */ writel(0x72080F00, WEIM_BASE_ADDR + 0x78 + CSWCR1); if ((readw(CS5_BASE_ADDR + PBC_ID_AAAA) == 0xAAAA) && (readw(CS5_BASE_ADDR + PBC_ID_5555) == 0x5555)) { if (is_soc_rev(CHIP_REV_2_0) < 0) { reg = readl(CCM_BASE_ADDR + CLKCTL_CBCDR); reg = (reg & (~0x70000)) | 0x30000; writel(reg, CCM_BASE_ADDR + CLKCTL_CBCDR); /* make sure divider effective */ while (readl(CCM_BASE_ADDR + CLKCTL_CDHIPR) != 0) ; writel(0x0, CCM_BASE_ADDR + CLKCTL_CCDR); } mx51_io_base_addr = CS5_BASE_ADDR; } else { /* CS1 */ writel(0x00410089, WEIM_BASE_ADDR + 0x18 + CSGCR1); writel(0x00000002, WEIM_BASE_ADDR + 0x18 + CSGCR2); /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */ writel(0x32260000, WEIM_BASE_ADDR + 0x18 + CSRCR1); /* APR=0 */ writel(0x00000000, WEIM_BASE_ADDR + 0x18 + CSRCR2); /* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, * WEN=0, WCSA=0, WCSN=0 */ writel(0x72080F00, WEIM_BASE_ADDR + 0x18 + CSWCR1); mx51_io_base_addr = CS1_BASE_ADDR; } /* Reset interrupt status reg */ writew(0x1F, mx51_io_base_addr + PBC_INT_REST); writew(0x00, mx51_io_base_addr + PBC_INT_REST); writew(0xFFFF, mx51_io_base_addr + PBC_INT_MASK); /* Reset the XUART and Ethernet controllers */ reg = readw(mx51_io_base_addr + PBC_SW_RESET); reg |= 0x9; writew(reg, mx51_io_base_addr + PBC_SW_RESET); reg &= ~0x9; writew(reg, mx51_io_base_addr + PBC_SW_RESET); } #ifdef CONFIG_IMX_ECSPI s32 spi_get_cfg(struct imx_spi_dev_t *dev) { switch (dev->slave.cs) { case 0: /* pmic */ dev->base = CSPI1_BASE_ADDR; dev->freq = 2500000; dev->ss_pol = IMX_SPI_ACTIVE_HIGH; dev->ss = 0; dev->fifo_sz = 64 * 4; dev->us_delay = 0; break; case 1: /* spi_nor */ dev->base = CSPI1_BASE_ADDR; dev->freq = 2500000; dev->ss_pol = IMX_SPI_ACTIVE_LOW; dev->ss = 1; dev->fifo_sz = 64 * 4; dev->us_delay = 0; break; default: printf("Invalid Bus ID! \n"); break; } return 0; } void spi_io_init(struct imx_spi_dev_t *dev) { switch (dev->base) { case CSPI1_BASE_ADDR: /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */ mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105); /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105); if (dev->ss == 0) { /* de-select SS1 of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3); mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85); /* 000: Select mux mode: ALT0 mux port: SS0 of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185); } else if (dev->ss == 1) { /* de-select SS0 of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT3); mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x85); /* 000: Select mux mode: ALT0 mux port: SS1 of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x105); } /* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180); /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */ mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0); mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105); break; case CSPI2_BASE_ADDR: default: break; } } #endif #ifdef CONFIG_MXC_FEC static void setup_fec(void) { /*FEC_MDIO*/ writel(0x3, IOMUXC_BASE_ADDR + 0x0D4); writel(0x1FD, IOMUXC_BASE_ADDR + 0x0468); writel(0x0, IOMUXC_BASE_ADDR + 0x0954); /*FEC_MDC*/ writel(0x2, IOMUXC_BASE_ADDR + 0x13C); writel(0x2004, IOMUXC_BASE_ADDR + 0x0524); /* FEC RDATA[3] */ writel(0x3, IOMUXC_BASE_ADDR + 0x0EC); writel(0x180, IOMUXC_BASE_ADDR + 0x0480); writel(0x0, IOMUXC_BASE_ADDR + 0x0964); /* FEC RDATA[2] */ writel(0x3, IOMUXC_BASE_ADDR + 0x0E8); writel(0x180, IOMUXC_BASE_ADDR + 0x047C); writel(0x0, IOMUXC_BASE_ADDR + 0x0960); /* FEC RDATA[1] */ writel(0x3, IOMUXC_BASE_ADDR + 0x0d8); writel(0x180, IOMUXC_BASE_ADDR + 0x046C); writel(0x0, IOMUXC_BASE_ADDR + 0x095C); /* FEC RDATA[0] */ writel(0x2, IOMUXC_BASE_ADDR + 0x016C); writel(0x2180, IOMUXC_BASE_ADDR + 0x0554); writel(0x0, IOMUXC_BASE_ADDR + 0x0958); /* FEC TDATA[3] */ writel(0x2, IOMUXC_BASE_ADDR + 0x148); writel(0x2004, IOMUXC_BASE_ADDR + 0x0530); /* FEC TDATA[2] */ writel(0x2, IOMUXC_BASE_ADDR + 0x144); writel(0x2004, IOMUXC_BASE_ADDR + 0x052C); /* FEC TDATA[1] */ writel(0x2, IOMUXC_BASE_ADDR + 0x140); writel(0x2004, IOMUXC_BASE_ADDR + 0x0528); /* FEC TDATA[0] */ writel(0x2, IOMUXC_BASE_ADDR + 0x0170); writel(0x2004, IOMUXC_BASE_ADDR + 0x0558); /* FEC TX_EN */ writel(0x1, IOMUXC_BASE_ADDR + 0x014C); writel(0x2004, IOMUXC_BASE_ADDR + 0x0534); /* FEC TX_ER */ writel(0x2, IOMUXC_BASE_ADDR + 0x0138); writel(0x2004, IOMUXC_BASE_ADDR + 0x0520); /* FEC TX_CLK */ writel(0x1, IOMUXC_BASE_ADDR + 0x0150); writel(0x2180, IOMUXC_BASE_ADDR + 0x0538); writel(0x0, IOMUXC_BASE_ADDR + 0x0974); /* FEC COL */ writel(0x1, IOMUXC_BASE_ADDR + 0x0124); writel(0x2180, IOMUXC_BASE_ADDR + 0x0500); writel(0x0, IOMUXC_BASE_ADDR + 0x094c); /* FEC RX_CLK */ writel(0x1, IOMUXC_BASE_ADDR + 0x0128); writel(0x2180, IOMUXC_BASE_ADDR + 0x0504); writel(0x0, IOMUXC_BASE_ADDR + 0x0968); /* FEC CRS */ writel(0x3, IOMUXC_BASE_ADDR + 0x0f4); writel(0x180, IOMUXC_BASE_ADDR + 0x0488); writel(0x0, IOMUXC_BASE_ADDR + 0x0950); /* FEC RX_ER */ writel(0x3, IOMUXC_BASE_ADDR + 0x0f0); writel(0x180, IOMUXC_BASE_ADDR + 0x0484); writel(0x0, IOMUXC_BASE_ADDR + 0x0970); /* FEC RX_DV */ writel(0x2, IOMUXC_BASE_ADDR + 0x164); writel(0x2180, IOMUXC_BASE_ADDR + 0x054C); writel(0x0, IOMUXC_BASE_ADDR + 0x096C); } #endif #ifdef CONFIG_I2C_MXC static void setup_i2c(unsigned int module_base) { unsigned int reg; switch (module_base) { case I2C1_BASE_ADDR: reg = IOMUXC_BASE_ADDR + 0x5c; /* i2c1 SDA */ writel(0x14, reg); reg = IOMUXC_BASE_ADDR + 0x3f0; writel(0x10d, reg); reg = IOMUXC_BASE_ADDR + 0x9B4; writel(0x0, reg); reg = IOMUXC_BASE_ADDR + 0x68; /* i2c2 SCL */ writel(0x14, reg); reg = IOMUXC_BASE_ADDR + 0x3fc; writel(0x10d, reg); reg = IOMUXC_BASE_ADDR + 0x9B0; writel(0x0, reg); break; case I2C2_BASE_ADDR: /* dummy here*/ break; default: printf("Invalid I2C base: 0x%x\n", module_base); break; } } static void setup_core_voltage_i2c(void) { unsigned int reg; unsigned char buf[1] = { 0 }; puts("PMIC Mode: linear\n"); writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR); reg = readl(GPIO2_BASE_ADDR + 0x0); reg &= ~0x4000; /* Lower reset line */ writel(reg, GPIO2_BASE_ADDR + 0x0); reg = readl(GPIO2_BASE_ADDR + 0x4); reg |= 0x4000; /* configure GPIO lines as output */ writel(reg, GPIO2_BASE_ADDR + 0x4); /* Reset the ethernet controller over GPIO */ writel(0x1, IOMUXC_BASE_ADDR + 0x0AC); /*Configure LDO4*/ i2c_read(0x34, 0x12, 1, buf, 1); buf[0] = buf[0] | 0x40; if (i2c_write(0x34, 0x12, 1, buf, 1)) { puts("write to PMIC 0x12 failed!\n"); return; } i2c_read(0x34, 0x12, 1, buf, 1); printf("PMIC 0x12: 0x%x \n", buf[0]); i2c_read(0x34, 0x10, 1, buf, 1); buf[0] = buf[0] | 0x40; if (i2c_write(0x34, 0x10, 1, buf, 1)) { puts("write to PMIC 0x10 failed!\n"); return; } i2c_read(0x34, 0x10, 1, buf, 1); printf("PMIC 0x10: 0x%x \n", buf[0]); udelay(500); reg = readl(GPIO2_BASE_ADDR + 0x0); reg |= 0x4000; writel(reg, GPIO2_BASE_ADDR + 0x0); } #endif #ifdef CONFIG_IMX_ECSPI static void setup_core_voltage_spi(void) { struct spi_slave *slave; unsigned int val; unsigned int reg; puts("PMIC Mode: SPI\n"); #define REV_ATLAS_LITE_1_0 0x8 #define REV_ATLAS_LITE_1_1 0x9 #define REV_ATLAS_LITE_2_0 0x10 #define REV_ATLAS_LITE_2_1 0x11 slave = spi_pmic_probe(); /* Write needed to Power Gate 2 register */ val = pmic_reg(slave, 34, 0, 0); val &= ~0x10000; pmic_reg(slave, 34, val, 1); /* Write needed to update Charger 0 */ pmic_reg(slave, 48, 0x0023807F, 1); /* power up the system first */ pmic_reg(slave, 34, 0x00200000, 1); if (is_soc_rev(CHIP_REV_2_0) >= 0) { /* Set core voltage to 1.1V */ val = pmic_reg(slave, 24, 0, 0); val = (val & (~0x1F)) | 0x14; pmic_reg(slave, 24, val, 1); /* Setup VCC (SW2) to 1.25 */ val = pmic_reg(slave, 25, 0, 0); val = (val & (~0x1F)) | 0x1A; pmic_reg(slave, 25, val, 1); /* Setup 1V2_DIG1 (SW3) to 1.25 */ val = pmic_reg(slave, 26, 0, 0); val = (val & (~0x1F)) | 0x1A; pmic_reg(slave, 26, val, 1); udelay(50); /* Raise the core frequency to 800MHz */ writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR); } else { /* TO 3.0 */ /* Setup VCC (SW2) to 1.225 */ val = pmic_reg(slave, 25, 0, 0); val = (val & (~0x1F)) | 0x19; pmic_reg(slave, 25, val, 1); /* Setup 1V2_DIG1 (SW3) to 1.2 */ val = pmic_reg(slave, 26, 0, 0); val = (val & (~0x1F)) | 0x18; pmic_reg(slave, 26, val, 1); } if (((pmic_reg(slave, 7, 0, 0) & 0x1F) < REV_ATLAS_LITE_2_0) || (((pmic_reg(slave, 7, 0, 0) >> 9) & 0x3) == 0)) { /* Set switchers in PWM mode for Atlas 2.0 and lower */ /* Setup the switcher mode for SW1 & SW2*/ val = pmic_reg(slave, 28, 0, 0); val = (val & (~0x3C0F)) | 0x1405; pmic_reg(slave, 28, val, 1); /* Setup the switcher mode for SW3 & SW4 */ val = pmic_reg(slave, 29, 0, 0); val = (val & (~0xF0F)) | 0x505; pmic_reg(slave, 29, val, 1); } else { /* Set switchers in Auto in NORMAL mode & STANDBY mode for Atlas 2.0a */ /* Setup the switcher mode for SW1 & SW2*/ val = pmic_reg(slave, 28, 0, 0); val = (val & (~0x3C0F)) | 0x2008; pmic_reg(slave, 28, val, 1); /* Setup the switcher mode for SW3 & SW4 */ val = pmic_reg(slave, 29, 0, 0); val = (val & (~0xF0F)) | 0x808; pmic_reg(slave, 29, val, 1); } /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.5V */ val = pmic_reg(slave, 30, 0, 0); val &= ~0x34030; val |= 0x10020; pmic_reg(slave, 30, val, 1); /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */ val = pmic_reg(slave, 31, 0, 0); val &= ~0x1FC; val |= 0x1F4; pmic_reg(slave, 31, val, 1); /* Configure VGEN3 and VCAM regulators to use external PNP */ val = 0x208; pmic_reg(slave, 33, val, 1); udelay(200); reg = readl(GPIO2_BASE_ADDR + 0x0); reg &= ~0x4000; /* Lower reset line */ writel(reg, GPIO2_BASE_ADDR + 0x0); reg = readl(GPIO2_BASE_ADDR + 0x4); reg |= 0x4000; /* configure GPIO lines as output */ writel(reg, GPIO2_BASE_ADDR + 0x4); /* Reset the ethernet controller over GPIO */ writel(0x1, IOMUXC_BASE_ADDR + 0x0AC); /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */ val = 0x49249; pmic_reg(slave, 33, val, 1); udelay(500); reg = readl(GPIO2_BASE_ADDR + 0x0); reg |= 0x4000; writel(reg, GPIO2_BASE_ADDR + 0x0); spi_pmic_free(slave); } #endif #ifdef CONFIG_NET_MULTI int board_eth_init(bd_t *bis) { int rc = -ENODEV; return rc; } #endif #ifdef CONFIG_CMD_MMC struct fsl_esdhc_cfg esdhc_cfg[2] = { {MMC_SDHC1_BASE_ADDR, 1, 1}, {MMC_SDHC2_BASE_ADDR, 1, 1}, }; int esdhc_gpio_init(bd_t *bis) { s32 status = 0; u32 index = 0; for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; ++index) { switch (index) { case 0: mxc_request_iomux(MX51_PIN_SD1_CMD, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD1_CLK, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_iomux_set_pad(MX51_PIN_SD1_CMD, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD1_CLK, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_NONE | PAD_CTL_47K_PU | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD1_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD1_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD1_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD1_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); break; case 1: mxc_request_iomux(MX51_PIN_SD2_CMD, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD2_CLK, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD2_DATA0, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD2_DATA1, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD2_DATA2, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_request_iomux(MX51_PIN_SD2_DATA3, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); mxc_iomux_set_pad(MX51_PIN_SD2_CMD, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD2_CLK, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD2_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD2_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD2_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); mxc_iomux_set_pad(MX51_PIN_SD2_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST); break; default: printf("Warning: you configured more ESDHC controller" "(%d) as supported by the board(2)\n", CONFIG_SYS_FSL_ESDHC_NUM); return status; break; } status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]); } return status; } int board_mmc_init(bd_t *bis) { if (!esdhc_gpio_init(bis)) return 0; else return -1; } #endif #if defined(CONFIG_MXC_KPD) int setup_mxc_kpd(void) { mxc_request_iomux(MX51_PIN_KEY_COL0, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_COL1, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_COL2, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_COL3, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_COL4, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_COL5, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_ROW0, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_ROW1, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_ROW2, IOMUX_CONFIG_ALT0); mxc_request_iomux(MX51_PIN_KEY_ROW3, IOMUX_CONFIG_ALT0); return 0; } #endif int board_init(void) { #ifdef CONFIG_MFG /* MFG firmware need reset usb to avoid host crash firstly */ #define USBCMD 0x140 int val = readl(OTG_BASE_ADDR + USBCMD); val &= ~0x1; /*RS bit*/ writel(val, OTG_BASE_ADDR + USBCMD); #endif setup_boot_device(); setup_soc_rev(); set_board_rev(); gd->bd->bi_arch_number = MACH_TYPE_MX51_BABBAGE; /* board id for linux */ /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; setup_uart(); setup_nfc(); setup_expio(); #ifdef CONFIG_MXC_FEC setup_fec(); #endif #ifdef CONFIG_I2C_MXC setup_i2c(I2C1_BASE_ADDR); #endif return 0; } #ifdef BOARD_LATE_INIT #if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD) inline int waiting_for_func_key_pressing(void) { struct kpp_key_info key_info = {0, 0}; int switch_delay = CONFIG_ANDROID_BOOTMOD_DELAY; int state = 0, boot_mode_switch = 0; mxc_kpp_init(); puts("Press home + power to enter recovery mode ...\n"); while ((switch_delay > 0) && (!boot_mode_switch)) { int i; --switch_delay; /* delay 100 * 10ms */ for (i = 0; !boot_mode_switch && i < 100; ++i) { /* A state machine to scan home + power key */ /* Check for home + power */ if (mxc_kpp_getc(&key_info)) { switch (state) { case 0: /* First press */ if (TEST_HOME_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Press Home */ state = 1; } else if (TEST_POWER_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Press Power */ state = 2; } else { state = 0; } break; case 1: /* Home is already pressed, try to detect Power */ if (TEST_POWER_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Switch */ boot_mode_switch = 1; } else { if (TEST_HOME_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Not switch */ state = 2; } else state = 0; } break; case 2: /* Power is already pressed, try to detect Home */ if (TEST_HOME_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Switch */ boot_mode_switch = 1; } else { if (TEST_POWER_KEY_DEPRESS(key_info.val, key_info.evt)) { /* Not switch */ state = 1; } else state = 0; } break; default: break; } if (1 == boot_mode_switch) return 1; } } for (i = 0; i < 100; ++i) udelay(10000); } return 0; } inline int switch_to_recovery_mode(void) { char *env = NULL; char *boot_args = NULL; char *boot_cmd = NULL; printf("Boot mode switched to recovery mode!\n"); switch (get_boot_device()) { case MMC_BOOT: boot_args = CONFIG_ANDROID_RECOVERY_BOOTARGS_MMC; boot_cmd = CONFIG_ANDROID_RECOVERY_BOOTCMD_MMC; break; case NAND_BOOT: printf("Recovery mode not supported in NAND boot\n"); return -1; break; case SPI_NOR_BOOT: printf("Recovery mode not supported in SPI NOR boot\n"); return -1; break; case UNKNOWN_BOOT: default: printf("Unknown boot device!\n"); return -1; break; } env = getenv("bootargs_android_recovery"); /* Set env to recovery mode */ if (!env) setenv("bootargs_android", boot_args); else setenv("bootargs_android", env); env = getenv("bootcmd_android_recovery"); if (!env) setenv("bootcmd_android", boot_cmd); else setenv("bootcmd_android", env); setenv("bootcmd", "run bootcmd_android"); return 0; } inline int check_recovery_cmd_file(void) { disk_partition_t info; ulong part_length; int filelen; switch (get_boot_device()) { case MMC_BOOT: { block_dev_desc_t *dev_desc = NULL; struct mmc *mmc = find_mmc_device(0); dev_desc = get_dev("mmc", 0); if (NULL == dev_desc) { puts("** Block device MMC 0 not supported\n"); return 0; } mmc_init(mmc); if (get_partition_info(dev_desc, CONFIG_ANDROID_CACHE_PARTITION_MMC, &info)) { printf("** Bad partition %d **\n", CONFIG_ANDROID_CACHE_PARTITION_MMC); return 0; } part_length = ext2fs_set_blk_dev(dev_desc, CONFIG_ANDROID_CACHE_PARTITION_MMC); if (part_length == 0) { printf("** Bad partition - mmc 0:%d **\n", CONFIG_ANDROID_CACHE_PARTITION_MMC); ext2fs_close(); return 0; } if (!ext2fs_mount(part_length)) { printf("** Bad ext2 partition or disk - mmc 0:%d **\n", CONFIG_ANDROID_CACHE_PARTITION_MMC); ext2fs_close(); return 0; } filelen = ext2fs_open(CONFIG_ANDROID_RECOVERY_CMD_FILE); ext2fs_close(); } break; case NAND_BOOT: return 0; break; case SPI_NOR_BOOT: return 0; break; case UNKNOWN_BOOT: default: return 0; break; } return (filelen > 0) ? 1 : 0; } #endif int board_late_init(void) { #ifdef CONFIG_I2C_MXC i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); if (!i2c_probe(0x34)) setup_core_voltage_i2c(); else #endif #ifdef CONFIG_IMX_ECSPI setup_core_voltage_spi(); #endif #if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD) if (waiting_for_func_key_pressing()) switch_to_recovery_mode(); else { if (check_recovery_cmd_file()) { puts("Recovery command file founded!\n"); switch_to_recovery_mode(); } } #endif return 0; } #endif int checkboard(void) { printf("Board: MX51 BABBAGE "); if (is_soc_rev(CHIP_REV_3_0) == 0) { printf("3.0 ["); } else if ((is_soc_rev(CHIP_REV_2_0) == 0) && (system_rev & (BOARD_REV_2_0 << BOARD_VER_OFFSET))) { printf("2.5 ["); } else if (is_soc_rev(CHIP_REV_2_0) == 0) { printf("2.0 ["); } else if (is_soc_rev(CHIP_REV_1_1) == 0) { printf("1.1 ["); } else { printf("1.0 ["); } switch (__REG(SRC_BASE_ADDR + 0x8)) { case 0x0001: printf("POR"); break; case 0x0009: printf("RST"); break; case 0x0010: case 0x0011: printf("WDOG"); break; default: printf("unknown"); } printf("]\n"); printf("Boot Device: "); switch (get_boot_device()) { case NAND_BOOT: printf("NAND\n"); break; case SPI_NOR_BOOT: printf("SPI NOR\n"); break; case MMC_BOOT: printf("MMC\n"); break; case UNKNOWN_BOOT: default: printf("UNKNOWN\n"); break; } return 0; }