From e53b507cee5d976953134a565c72fd32c967d7dd Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 9 Jun 2009 11:50:40 +0200 Subject: mpc512x: Add esd gmbh mecp5123 board support MECP5123 is a MPC5121E based module by esd gmbh. Signed-off-by: Stefan Roese Cc: Reinhard Arlt --- board/esd/mecp5123/Makefile | 50 ++++++ board/esd/mecp5123/config.mk | 23 +++ board/esd/mecp5123/mecp5123.c | 381 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 454 insertions(+) create mode 100644 board/esd/mecp5123/Makefile create mode 100644 board/esd/mecp5123/config.mk create mode 100644 board/esd/mecp5123/mecp5123.c (limited to 'board') diff --git a/board/esd/mecp5123/Makefile b/board/esd/mecp5123/Makefile new file mode 100644 index 0000000..2e3d73a --- /dev/null +++ b/board/esd/mecp5123/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2009 Wolfgang Denk +# +# 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 + +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/esd/mecp5123/config.mk b/board/esd/mecp5123/config.mk new file mode 100644 index 0000000..838a018 --- /dev/null +++ b/board/esd/mecp5123/config.mk @@ -0,0 +1,23 @@ +# +# (C) Copyright 2009 Wolfgang Denk +# +# 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/esd/mecp5123/mecp5123.c b/board/esd/mecp5123/mecp5123.c new file mode 100644 index 0000000..909b458 --- /dev/null +++ b/board/esd/mecp5123/mecp5123.c @@ -0,0 +1,381 @@ +/* + * (C) Copyright 2009 Wolfgang Denk + * (C) Copyright 2009 Dave Srl www.dave.eu + * (C) Copyright 2009 Stefan Roese + * + * 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 + +DECLARE_GLOBAL_DATA_PTR; + +/* 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_NFC_EN | \ + CLOCK_SCCR1_PCI_EN | \ + CLOCK_SCCR1_TPR_EN) + +#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \ + CLOCK_SCCR2_I2C_EN) + +#define CSAW_START(start) ((start) & 0xFFFF0000) +#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) + +int eeprom_write_enable(unsigned dev_addr, int state) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + + if (dev_addr != CONFIG_SYS_I2C_EEPROM_ADDR) + return -1; + + if (state == 0) + setbits_be32(&im->gpio.gpdat, 0x00100000); + else + clrbits_be32(&im->gpio.gpdat, 0x00100000); + +return 0; +} + +/* + * 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. + */ +static inline void sync_law(volatile void *addr) +{ + in_be32(addr); + __asm__ __volatile__ ("isync"); +} + +int board_early_init_f(void) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 spridr; + + /* + * Initialize Local Window for NOR FLASH access + */ + out_be32(&im->sysconf.lpcs0aw, + CSAW_START(CONFIG_SYS_FLASH_BASE) | + CSAW_STOP(CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE)); + sync_law(&im->sysconf.lpcs0aw); + + /* + * Initialize Local Window for boot access + */ + out_be32(&im->sysconf.lpbaw, + CSAW_START(0xffb00000) | CSAW_STOP(0xffb00000, 0x00010000)); + sync_law(&im->sysconf.lpbaw); + + /* + * Initialize Local Window for VPC3 access + */ + out_be32(&im->sysconf.lpcs1aw, + CSAW_START(CONFIG_SYS_VPC3_BASE) | + CSAW_STOP(CONFIG_SYS_VPC3_BASE, CONFIG_SYS_VPC3_SIZE)); + sync_law(&im->sysconf.lpcs1aw); + + /* + * Configure Flash Speed + */ + out_be32(&im->lpc.cs_cfg[0], CONFIG_SYS_CS0_CFG); + + /* + * Configure VPC3 Speed + */ + out_be32(&im->lpc.cs_cfg[1], CONFIG_SYS_CS1_CFG); + + spridr = in_be32(&im->sysconf.spridr); + if (SVR_MJREV(spridr) >= 2) + out_be32(&im->lpc.altr, CONFIG_SYS_CS_ALETIMING); + + /* + * Enable clocks + */ + out_be32(&im->clk.sccr[0], SCCR1_CLOCKS_EN); + out_be32(&im->clk.sccr[1], SCCR2_CLOCKS_EN); +#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE) + setbits_be32(&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN); +#endif + + /* + * Configure MSCAN clocks + */ + out_be32(&im->clk.m1ccr, 0x00300000); + out_be32(&im->clk.m2ccr, 0x00300000); + out_be32(&im->clk.m3ccr, 0x00300000); + out_be32(&im->clk.m4ccr, 0x00300000); + out_be32(&im->clk.m1ccr, 0x00310000); + out_be32(&im->clk.m2ccr, 0x00310000); + out_be32(&im->clk.m3ccr, 0x00310000); + out_be32(&im->clk.m4ccr, 0x00310000); + + /* + * Configure GPIO's + */ + clrbits_be32(&im->gpio.gpodr, 0x000000e0); + clrbits_be32(&im->gpio.gpdir, 0x00ef0000); + setbits_be32(&im->gpio.gpdir, 0x001000e0); + setbits_be32(&im->gpio.gpdat, 0x00100000); + + return 0; +} + +/* + * 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 */ + out_be32(&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR); + + /* Initialize DDR Local Window */ + out_be32(&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000); + out_be32(&im->sysconf.ddrlaw.ar, msize_log2 - 1); + sync_law(&im->sysconf.ddrlaw.ar); + + /* Enable DDR */ + out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN); + + /* Initialize DDR Priority Manager */ + out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1); + out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2); + out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG); + out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU); + out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML); + out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU); + out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML); + out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU); + out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML); + out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU); + out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML); + out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU); + out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML); + out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU); + out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL); + out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU); + out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL); + out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU); + out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL); + out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU); + out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL); + out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU); + out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL); + + /* Initialize MDDRC */ + out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG); + out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0); + out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1); + out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2); + + /* Initialize DDR */ + for (i = 0; i < 10; i++) + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); + out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); + + /* Start MDDRC */ + out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN); + out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN); + + return msize; +} + +phys_size_t initdram(int board_type) +{ + return get_ram_size(0, fixed_sdram()); +} + +int misc_init_r(void) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 val; + + /* + * Optimize access to profibus chip (VPC3) on the local bus + */ + + /* + * Select 1:1 for LPC_DIV + */ + val = in_be32(&im->clk.scfr[0]) & ~SCFR1_LPC_DIV_MASK; + out_be32(&im->clk.scfr[0], val | (0x1 << SCFR1_LPC_DIV_SHIFT)); + + /* + * Configure LPC Chips Select Deadcycle Control Register + * CS0 - device can drive data 2 clock cycle(s) after CS deassertion + * CS1 - device can drive data 1 clock cycle(s) after CS deassertion + */ + clrbits_be32(&im->lpc.cs_dccr, 0x000000ff); + setbits_be32(&im->lpc.cs_dccr, (0x00 << 4) | (0x01 << 0)); + + /* + * Configure LPC Chips Select Holdcycle Control Register + * CS0 - data is valid 2 clock cycle(s) after CS deassertion + * CS1 - data is valid 1 clock cycle(s) after CS deassertion + */ + clrbits_be32(&im->lpc.cs_hccr, 0x000000ff); + setbits_be32(&im->lpc.cs_hccr, (0x00 << 4) | (0x01 << 0)); + + return 0; +} + +static iopin_t ioregs_init[] = { + /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */ + { + offsetof(struct ioctrl512x, io_control_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) + }, + /* FUNC1=FEC_COL Sets Next 15 to FEC pads */ + { + offsetof(struct ioctrl512x, io_control_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=SELECT LPC_CS1 */ + { + offsetof(struct ioctrl512x, io_control_lpc_cs1), 1, 0, + IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC5_2 */ + { + offsetof(struct ioctrl512x, io_control_psc5_2), 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) + }, + /* FUNC3=SELECT PSC5_3 */ + { + offsetof(struct ioctrl512x, io_control_psc5_3), 1, 0, + IO_PIN_FMUX(3) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC7_3 */ + { + offsetof(struct ioctrl512x, io_control_psc7_3), 1, 0, + IO_PIN_FMUX(3) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC9_0 */ + { + offsetof(struct ioctrl512x, io_control_psc9_0), 3, 0, + IO_PIN_FMUX(3) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC10_0 */ + { + offsetof(struct ioctrl512x, io_control_psc10_0), 3, 0, + IO_PIN_FMUX(3) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC10_3 */ + { + offsetof(struct ioctrl512x, io_control_psc10_3), 1, 0, + IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC3=SELECT PSC11_0 */ + { + offsetof(struct ioctrl512x, io_control_psc11_0), 4, 0, + IO_PIN_FMUX(3) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | + IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) + }, + /* FUNC0=SELECT IRQ0 */ + { + offsetof(struct ioctrl512x, io_control_irq0), 4, 0, + IO_PIN_FMUX(0) | 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 */ + { + offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0, + IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0) + } +}; + +int checkboard(void) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 spridr; + + puts("Board: MECP_5123\n"); + + /* + * Initialize function mux & slew rate IO inter alia on IO + * Pins + */ + iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init)); + + spridr = in_be32(&im->sysconf.spridr); + if (SVR_MJREV(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) */ -- cgit v1.1