diff options
Diffstat (limited to 'board/syteco')
-rw-r--r-- | board/syteco/jadecpu/Makefile | 55 | ||||
-rw-r--r-- | board/syteco/jadecpu/config.mk | 1 | ||||
-rw-r--r-- | board/syteco/jadecpu/jadecpu.c | 170 | ||||
-rw-r--r-- | board/syteco/jadecpu/lowlevel_init.S | 265 |
4 files changed, 491 insertions, 0 deletions
diff --git a/board/syteco/jadecpu/Makefile b/board/syteco/jadecpu/Makefile new file mode 100644 index 0000000..87d2234 --- /dev/null +++ b/board/syteco/jadecpu/Makefile @@ -0,0 +1,55 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Stelian Pop <stelian.pop@leadtechdesign.com> +# Lead Tech Design <www.leadtechdesign.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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS-y += jadecpu.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +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/syteco/jadecpu/config.mk b/board/syteco/jadecpu/config.mk new file mode 100644 index 0000000..c661f0b --- /dev/null +++ b/board/syteco/jadecpu/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x46000000 diff --git a/board/syteco/jadecpu/jadecpu.c b/board/syteco/jadecpu/jadecpu.c new file mode 100644 index 0000000..04d2f9d --- /dev/null +++ b/board/syteco/jadecpu/jadecpu.c @@ -0,0 +1,170 @@ +/* + * (c) 2010 Graf-Syteco, Matthias Weisser + * <weisserm@arcor.de> + * + * (C) Copyright 2007, mycable GmbH + * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de> + * + * 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 <netdev.h> +#include <asm/io.h> +#include <asm/arch/mb86r0x.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscellaneous platform dependent initialisations + */ +int board_init(void) +{ + struct mb86r0x_ccnt * ccnt = (struct mb86r0x_ccnt *) + MB86R0x_CCNT_BASE; + + /* We select mode 0 for group 2 and mode 1 for group 4 */ + writel(0x00000010, &ccnt->cmux_md); + + gd->flags = 0; + gd->bd->bi_arch_number = MACH_TYPE_JADECPU; + gd->bd->bi_boot_params = PHYS_SDRAM + PHYS_SDRAM_SIZE - 0x10000; + + icache_enable(); + + return 0; +} + +static void setup_display_power(uint32_t pwr_bit, char *pwm_opts, + unsigned long pwm_base) +{ + struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *) + MB86R0x_GPIO_BASE; + struct mb86r0x_pwm *pwm = (struct mb86r0x_pwm *) pwm_base; + const char *e; + + writel(readl(&gpio->gpdr2) | pwr_bit, &gpio->gpdr2); + + e = getenv(pwm_opts); + if (e != NULL) { + const char *s; + uint32_t freq, init; + + freq = 0; + init = 0; + + s = strchr(e, 'f'); + if (s != NULL) + freq = simple_strtol(s + 2, NULL, 0); + + s = strchr(e, 'i'); + if (s != NULL) + init = simple_strtol(s + 2, NULL, 0); + + if (freq > 0) { + writel(CONFIG_MB86R0x_IOCLK / 1000 / freq, + &pwm->bcr); + writel(1002, &pwm->tpr); + writel(1, &pwm->pr); + writel(init * 10 + 1, &pwm->dr); + writel(1, &pwm->cr); + writel(1, &pwm->sr); + } + } +} + +int board_late_init(void) +{ + struct mb86r0x_gpio *gpio = (struct mb86r0x_gpio *) + MB86R0x_GPIO_BASE; + uint32_t in_word; + +#ifdef CONFIG_VIDEO_MB86R0xGDC + /* Check if we have valid display settings and turn on power if so */ + /* Display 0 */ + if (getenv("gs_dsp_0_param") || getenv("videomode")) + setup_display_power((1 << 3), "gs_dsp_0_pwm", + MB86R0x_PWM0_BASE); + + /* The corresponding GPIO is always an output */ + writel(readl(&gpio->gpddr2) | (1 << 3), &gpio->gpddr2); + + /* Display 1 */ + if (getenv("gs_dsp_1_param") || getenv("videomode1")) + setup_display_power((1 << 4), "gs_dsp_1_pwm", + MB86R0x_PWM1_BASE); + + /* The corresponding GPIO is always an output */ + writel(readl(&gpio->gpddr2) | (1 << 4), &gpio->gpddr2); +#endif /* CONFIG_VIDEO_MB86R0xGDC */ + + /* 5V enable */ + writel(readl(&gpio->gpdr1) & ~(1 << 5), &gpio->gpdr1); + writel(readl(&gpio->gpddr1) | (1 << 5), &gpio->gpddr1); + + /* We have special boot options if told by GPIOs */ + in_word = readl(&gpio->gpdr1); + + if ((in_word & 0xC0) == 0xC0) { + setenv("stdin", "serial"); + setenv("stdout", "serial"); + setenv("stderr", "serial"); + setenv("preboot", "run gs_slow_boot"); + } else if ((in_word & 0xC0) != 0) { + setenv("stdout", "vga"); + setenv("gs_bootcmd", "mw.l 0x40000000 0 1024; usb start;" + "fatls usb 0; fatload usb 0 0x40000000 mcq5resq.bin;" + "bootelf 0x40000000; bootelf 0x10080000"); + setenv("preboot", "run gs_slow_boot"); + } else { + setenv("stdin", "serial"); + setenv("stdout", "serial"); + setenv("stderr", "serial"); + if (getenv("gs_devel")) { + setenv("preboot", "run gs_slow_boot"); + } else { + setenv("gs_bootcmd", "bootelf 0x10080000"); + setenv("preboot", "run gs_fast_boot"); + } + } + + return 0; +} + +int misc_init_r(void) +{ + return 0; +} + +/* + * DRAM configuration + */ +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} diff --git a/board/syteco/jadecpu/lowlevel_init.S b/board/syteco/jadecpu/lowlevel_init.S new file mode 100644 index 0000000..5ad4dce --- /dev/null +++ b/board/syteco/jadecpu/lowlevel_init.S @@ -0,0 +1,265 @@ +/* + * Board specific setup info + * + * (C) Copyright 2007, mycable GmbH + * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de> + * + * (C) Copyright 2003, ARM Ltd. + * Philippe Robin, <philippe.robin@arm.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 <config.h> +#include <version.h> +#include <asm/macro.h> +#include <asm/arch/mb86r0x.h> +#include <asm/arch/asm-offsets.h> + +/* Set up the platform, once the cpu has been initialized */ +.globl lowlevel_init +lowlevel_init: +/* + * Initialize Clock Reset Generator (CRG) + */ + + ldr r0, =MB86R0x_CRG_BASE + + /* Not change the initial value that is set by external pin.*/ +WAIT_PLL: + ldr r2, [r0, #CRG_CRPR] /* Wait for PLLREADY */ + tst r2, #MB86R0x_CRG_CRPR_PLLRDY + beq WAIT_PLL + + /* Set clock gate control */ + ldr r1, =CONFIG_SYS_CRG_CRHA_INIT + str r1, [r0, #CRG_CRHA] + ldr r1, =CONFIG_SYS_CRG_CRPA_INIT + str r1, [r0, #CRG_CRPA] + ldr r1, =CONFIG_SYS_CRG_CRPB_INIT + str r1, [r0, #CRG_CRPB] + ldr r1, =CONFIG_SYS_CRG_CRHB_INIT + str r1, [r0, #CRG_CRHB] + ldr r1, =CONFIG_SYS_CRG_CRAM_INIT + str r1, [r0, #CRG_CRAM] + +/* + * Initialize External Bus Interface + */ + ldr r0, =MB86R0x_MEMC_BASE + + ldr r1, =CONFIG_SYS_MEMC_MCFMODE0_INIT + str r1, [r0, #MEMC_MCFMODE0] + ldr r1, =CONFIG_SYS_MEMC_MCFMODE2_INIT + str r1, [r0, #MEMC_MCFMODE2] + ldr r1, =CONFIG_SYS_MEMC_MCFMODE4_INIT + str r1, [r0, #MEMC_MCFMODE4] + + ldr r1, =CONFIG_SYS_MEMC_MCFTIM0_INIT + str r1, [r0, #MEMC_MCFTIM0] + ldr r1, =CONFIG_SYS_MEMC_MCFTIM2_INIT + str r1, [r0, #MEMC_MCFTIM2] + ldr r1, =CONFIG_SYS_MEMC_MCFTIM4_INIT + str r1, [r0, #MEMC_MCFTIM4] + + ldr r1, =CONFIG_SYS_MEMC_MCFAREA0_INIT + str r1, [r0, #MEMC_MCFAREA0] + ldr r1, =CONFIG_SYS_MEMC_MCFAREA2_INIT + str r1, [r0, #MEMC_MCFAREA2] + ldr r1, =CONFIG_SYS_MEMC_MCFAREA4_INIT + str r1, [r0, #MEMC_MCFAREA4] + +/* + * Initialize DDR2 Controller + */ + + /* Wait for PLL LOCK up time or more */ + wait_timer 20 + + /* + * (2) Initialize DDRIF + */ + ldr r0, =MB86R0x_DDR2_BASE + ldr r1, =CONFIG_SYS_DDR2_DRIMS_INIT + strh r1, [r0, #DDR2_DRIMS] + + /* + * (3) Wait for 20MCKPs(120nsec) or more + */ + wait_timer 20 + + /* + * (4) IRESET/IUSRRST release + */ + ldr r0, =MB86R0x_CCNT_BASE + ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_1 + str r1, [r0, #CCNT_CDCRC] + + /* + * (5) Wait for 20MCKPs(120nsec) or more + */ + wait_timer 20 + + /* + * (6) IDLLRST release + */ + ldr r0, =MB86R0x_CCNT_BASE + ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_2 + str r1, [r0, #CCNT_CDCRC] + + /* + * (7+8) Wait for 200us(=200000ns) or more (DDR2 Spec) + */ + wait_timer 33536 + + /* + * (9) MCKE ON + */ + ldr r0, =MB86R0x_DDR2_BASE + ldr r1, =CONFIG_SYS_DDR2_DRIC1_INIT + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_DRIC2_INIT + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =CONFIG_SYS_DDR2_DRCA_INIT + strh r1, [r0, #DDR2_DRCA] + ldr r1, =MB86R0x_DDR2_DRCI_INIT + strh r1, [r0, #DDR2_DRIC] + + /* + * (10) Initialize SDRAM + */ + + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 67 /* 400ns wait */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_1 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_1 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_2 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_2 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_3 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_3 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_4 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_4 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_5 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_5 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 200 + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_6 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_6 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_7 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_7 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 18 /* 105ns wait */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_8 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_8 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + wait_timer 200 /* MRS to OCD: 200clock */ + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_9 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_9 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_10 + strh r1, [r0, #DDR2_DRIC1] + ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_10 + strh r1, [r0, #DDR2_DRIC2] + ldr r1, =MB86R0x_DDR2_DRCI_CMD + strh r1, [r0, #DDR2_DRIC] + + ldr r1, =CONFIG_SYS_DDR2_DRCM_INIT + strh r1, [r0, #DDR2_DRCM] + + ldr r1, =CONFIG_SYS_DDR2_DRCST1_INIT + strh r1, [r0, #DDR2_DRCST1] + + ldr r1, =CONFIG_SYS_DDR2_DRCST2_INIT + strh r1, [r0, #DDR2_DRCST2] + + ldr r1, =CONFIG_SYS_DDR2_DRCR_INIT + strh r1, [r0, #DDR2_DRCR] + + ldr r1, =CONFIG_SYS_DDR2_DRCF_INIT + strh r1, [r0, #DDR2_DRCF] + + ldr r1, =CONFIG_SYS_DDR2_DRASR_INIT + strh r1, [r0, #DDR2_DRASR] + + /* + * (11) ODT setting + */ + ldr r1, =CONFIG_SYS_DDR2_DROBS_INIT + strh r1, [r0, #DDR2_DROBS] + ldr r1, =CONFIG_SYS_DDR2_DROABA_INIT + strh r1, [r0, #DDR2_DROABA] + ldr r1, =CONFIG_SYS_DDR2_DRIBSODT1_INIT + strh r1, [r0, #DDR2_DRIBSODT1] + + /* + * (12) Shift to ODTCONT ON (SDRAM side) and DDR2 usual operation mode + */ + ldr r1, =CONFIG_SYS_DDR2_DROS_INIT + strh r1, [r0, #DDR2_DROS] + ldr r1, =MB86R0x_DDR2_DRCI_NORMAL + strh r1, [r0, #DDR2_DRIC] + + mov pc, lr |