/* * (C) Copyright 2007 DENX Software Engineering * * 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 #ifdef CONFIG_MISC_INIT_R #include #endif DECLARE_GLOBAL_DATA_PTR; extern int mpc5121_diu_init(void); /* Clocks in use */ #define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \ CLOCK_SCCR1_LPC_EN | \ CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) | \ CLOCK_SCCR1_PSCFIFO_EN | \ CLOCK_SCCR1_DDR_EN | \ CLOCK_SCCR1_FEC_EN | \ CLOCK_SCCR1_PATA_EN | \ CLOCK_SCCR1_PCI_EN | \ CLOCK_SCCR1_TPR_EN) #define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \ CLOCK_SCCR2_SPDIF_EN | \ CLOCK_SCCR2_DIU_EN | \ CLOCK_SCCR2_I2C_EN) #define CSAW_START(start) ((start) & 0xFFFF0000) #define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) long int fixed_sdram(void); int board_early_init_f (void) { volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; u32 lpcaw; /* * Initialize Local Window for the CPLD registers access (CS2 selects * the CPLD chip) */ im->sysconf.lpcs2aw = CSAW_START(CONFIG_SYS_CPLD_BASE) | CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE); im->lpc.cs_cfg[2] = CONFIG_SYS_CS2_CFG; /* * According to MPC5121e RM, configuring local access windows should * be followed by a dummy read of the config register that was * modified last and an isync */ lpcaw = im->sysconf.lpcs2aw; __asm__ __volatile__ ("isync"); /* * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control * * Without this the flash identification routine fails, as it needs to issue * write commands in order to establish the device ID. */ #ifdef CONFIG_ADS5121_REV2 *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1; #else if (*((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) { *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1; } else { /* running from Backup flash */ *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0x32; } #endif /* * Configure Flash Speed */ *((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS0_CONFIG)) = CONFIG_SYS_CS0_CFG; if (SVR_MJREV (im->sysconf.spridr) >= 2) { *((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS_ALE_TIMING_CONFIG)) = CONFIG_SYS_CS_ALETIMING; } /* * Enable clocks */ im->clk.sccr[0] = SCCR1_CLOCKS_EN; im->clk.sccr[1] = SCCR2_CLOCKS_EN; #if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE) im->clk.sccr[1] |= CLOCK_SCCR2_IIM_EN; #endif return 0; } phys_size_t initdram (int board_type) { u32 msize = 0; msize = fixed_sdram (); return msize; } /* * fixed sdram init -- the board doesn't use memory modules that have serial presence * detect or similar mechanism for discovery of the DRAM settings */ long int fixed_sdram (void) { volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024; u32 msize_log2 = __ilog2 (msize); u32 i; /* Initialize IO Control */ im->io_ctrl.regs[IOCTL_MEM/4] = IOCTRL_MUX_DDR; /* Initialize DDR Local Window */ im->sysconf.ddrlaw.bar = CONFIG_SYS_DDR_BASE & 0xFFFFF000; im->sysconf.ddrlaw.ar = msize_log2 - 1; /* * According to MPC5121e RM, configuring local access windows should * be followed by a dummy read of the config register that was * modified last and an isync */ i = im->sysconf.ddrlaw.ar; __asm__ __volatile__ ("isync"); /* Enable DDR */ im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_EN; /* Initialize DDR Priority Manager */ im->mddrc.prioman_config1 = CONFIG_SYS_MDDRCGRP_PM_CFG1; im->mddrc.prioman_config2 = CONFIG_SYS_MDDRCGRP_PM_CFG2; im->mddrc.hiprio_config = CONFIG_SYS_MDDRCGRP_HIPRIO_CFG; im->mddrc.lut_table0_main_upper = CONFIG_SYS_MDDRCGRP_LUT0_MU; im->mddrc.lut_table0_main_lower = CONFIG_SYS_MDDRCGRP_LUT0_ML; im->mddrc.lut_table1_main_upper = CONFIG_SYS_MDDRCGRP_LUT1_MU; im->mddrc.lut_table1_main_lower = CONFIG_SYS_MDDRCGRP_LUT1_ML; im->mddrc.lut_table2_main_upper = CONFIG_SYS_MDDRCGRP_LUT2_MU; im->mddrc.lut_table2_main_lower = CONFIG_SYS_MDDRCGRP_LUT2_ML; im->mddrc.lut_table3_main_upper = CONFIG_SYS_MDDRCGRP_LUT3_MU; im->mddrc.lut_table3_main_lower = CONFIG_SYS_MDDRCGRP_LUT3_ML; im->mddrc.lut_table4_main_upper = CONFIG_SYS_MDDRCGRP_LUT4_MU; im->mddrc.lut_table4_main_lower = CONFIG_SYS_MDDRCGRP_LUT4_ML; im->mddrc.lut_table0_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT0_AU; im->mddrc.lut_table0_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT0_AL; im->mddrc.lut_table1_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT1_AU; im->mddrc.lut_table1_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT1_AL; im->mddrc.lut_table2_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT2_AU; im->mddrc.lut_table2_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT2_AL; im->mddrc.lut_table3_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT3_AU; im->mddrc.lut_table3_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT3_AL; im->mddrc.lut_table4_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT4_AU; im->mddrc.lut_table4_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT4_AL; /* Initialize MDDRC */ im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG; im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0; im->mddrc.ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1; im->mddrc.ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2; /* Initialize DDR */ for (i = 0; i < 10; i++) im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL; im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2; im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM3; im->mddrc.ddr_command = CONFIG_SYS_MICRON_EN_DLL; im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL; im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH; im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP; im->mddrc.ddr_command = CONFIG_SYS_MICRON_OCD_DEFAULT; im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL; im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP; /* Start MDDRC */ im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0_RUN; im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_RUN; return msize; } int misc_init_r(void) { u8 tmp_val; /* Using this for DIU init before the driver in linux takes over * Enable the TFP410 Encoder (I2C address 0x38) */ i2c_set_bus_num(2); tmp_val = 0xBF; i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); /* Verify if enabled */ tmp_val = 0; i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); debug("DVI Encoder Read: 0x%02lx\n", tmp_val); tmp_val = 0x10; i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); /* Verify if enabled */ tmp_val = 0; i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); debug("DVI Encoder Read: 0x%02lx\n", tmp_val); #ifdef CONFIG_FSL_DIU_FB # if !(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)) mpc5121_diu_init(); # endif #endif return 0; } static iopin_t ioregs_init[] = { /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */ { IOCTL_SPDIF_TXCLK, 3, 0, IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) }, /* Set highest Slew on 9 PATA pins */ { IOCTL_PATA_CE1, 9, 1, IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) }, /* FUNC1=FEC_COL Sets Next 15 to FEC pads */ { IOCTL_PSC0_0, 15, 0, IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) }, /* FUNC1=SPDIF_TXCLK */ { IOCTL_LPC_CS1, 1, 0, IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) }, /* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */ { IOCTL_I2C1_SCL, 2, 0, IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) }, /* FUNC2=DIU CLK */ { IOCTL_PSC6_0, 1, 0, IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) }, /* FUNC2=DIU_HSYNC */ { IOCTL_PSC6_1, 1, 0, IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) }, /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */ { IOCTL_PSC6_4, 26, 0, IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) } }; static iopin_t rev2_silicon_pci_ioregs_init[] = { /* FUNC0=PCI Sets next 54 to PCI pads */ { IOCTL_PCI_AD31, 54, 0, IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0) } }; int checkboard (void) { ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00); uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02); volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n", brd_rev, cpld_rev); /* initialize function mux & slew rate IO inter alia on IO Pins */ iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init)); if (SVR_MJREV (im->sysconf.spridr) >= 2) iopin_initialize(rev2_silicon_pci_ioregs_init, 1); return 0; } #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */