diff options
Diffstat (limited to 'board/freescale/mpc5121ads')
| -rw-r--r-- | board/freescale/mpc5121ads/Makefile | 53 | ||||
| -rw-r--r-- | board/freescale/mpc5121ads/README | 7 | ||||
| -rw-r--r-- | board/freescale/mpc5121ads/config.mk | 23 | ||||
| -rw-r--r-- | board/freescale/mpc5121ads/mpc5121ads.c | 332 |
4 files changed, 415 insertions, 0 deletions
diff --git a/board/freescale/mpc5121ads/Makefile b/board/freescale/mpc5121ads/Makefile new file mode 100644 index 0000000..20fbf6e --- /dev/null +++ b/board/freescale/mpc5121ads/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2007 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 $(TOPDIR)/config.mk + +$(shell mkdir -p $(OBJTREE)/board/freescale/common) + +LIB = $(obj)lib$(BOARD).a + +COBJS-y := $(BOARD).o + +COBJS := $(COBJS-y) +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mpc5121ads/README b/board/freescale/mpc5121ads/README new file mode 100644 index 0000000..defcd6b --- /dev/null +++ b/board/freescale/mpc5121ads/README @@ -0,0 +1,7 @@ +To configure for the current (Rev 3.x) ADS5121 + make ads5121_config +This will automatically include PCI, the Real Time CLock, add backup flash +ability and set the correct frequency and memory configuration. + +To configure for the older Rev 2 ADS5121 type (this will not have PCI) + make ads5121_rev2_config diff --git a/board/freescale/mpc5121ads/config.mk b/board/freescale/mpc5121ads/config.mk new file mode 100644 index 0000000..14998f4 --- /dev/null +++ b/board/freescale/mpc5121ads/config.mk @@ -0,0 +1,23 @@ +# +# (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 +# + +TEXT_BASE = 0xFFF00000 diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c new file mode 100644 index 0000000..e8eb491 --- /dev/null +++ b/board/freescale/mpc5121ads/mpc5121ads.c @@ -0,0 +1,332 @@ +/* + * (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 <common.h> +#include <mpc512x.h> +#include <asm/bitops.h> +#include <command.h> +#include <asm/processor.h> +#include <fdt_support.h> +#ifdef CONFIG_MISC_INIT_R +#include <i2c.h> +#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) */ |