Added support for the following EDB93xx boards:
EDB9301 EDB9302 EDB9302A EDB9307 EDB9307A EDB93012 EDB9315 EDB9315A
Signed-off-by: Matthias Kaehlcke matthias@kaehlcke.net --- MAINTAINERS | 10 ++ MAKEALL | 8 ++ Makefile | 10 ++ board/edb93xx/Makefile | 50 ++++++++ board/edb93xx/config.mk | 33 +++++ board/edb93xx/early_udelay.h | 34 +++++ board/edb93xx/edb93xx.c | 109 +++++++++++++++++ board/edb93xx/flash_cfg.c | 38 ++++++ board/edb93xx/pll_cfg.c | 58 +++++++++ board/edb93xx/pll_cfg.h | 72 +++++++++++ board/edb93xx/sdram_cfg.c | 117 ++++++++++++++++++ board/edb93xx/sdram_cfg.h | 144 ++++++++++++++++++++++ include/configs/edb93xx.h | 273 ++++++++++++++++++++++++++++++++++++++++++ 13 files changed, 956 insertions(+), 0 deletions(-) create mode 100644 board/edb93xx/Makefile create mode 100644 board/edb93xx/config.mk create mode 100644 board/edb93xx/early_udelay.h create mode 100644 board/edb93xx/edb93xx.c create mode 100644 board/edb93xx/flash_cfg.c create mode 100644 board/edb93xx/pll_cfg.c create mode 100644 board/edb93xx/pll_cfg.h create mode 100644 board/edb93xx/sdram_cfg.c create mode 100644 board/edb93xx/sdram_cfg.h create mode 100644 include/configs/edb93xx.h
diff --git a/MAINTAINERS b/MAINTAINERS index 3879fde..23523f3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -598,6 +598,16 @@ Gary Jennejohn garyj@denx.de smdk2400 ARM920T trab ARM920T
+Matthias Kaehlcke matthias@kaehlcke.net + edb9301 ARM920T (EP9301) + edb9302 ARM920T (EP9302) + edb9302a ARM920T (EP9302) + edb9307 ARM920T (EP9307) + edb9307a ARM920T (EP9307) + edb9312 ARM920T (EP9312) + edb9315 ARM920T (EP9315) + edb9315a ARM920T (EP9315) + Konstantin Kletschke kletschke@synertronixx.de scb9328 ARM920T
diff --git a/MAKEALL b/MAKEALL index dd635bd..c3ef638 100755 --- a/MAKEALL +++ b/MAKEALL @@ -554,6 +554,14 @@ LIST_ARM9=" \ cp946es \ cp966 \ da830evm \ + edb9301 \ + edb9302 \ + edb9302a \ + edb9307 \ + edb9307a \ + edb9312 \ + edb9315 \ + edb9315a \ imx27lite \ lpd7a400 \ mv88f6281gtw_ge \ diff --git a/Makefile b/Makefile index 793fcec..a1db2f9 100644 --- a/Makefile +++ b/Makefile @@ -2404,6 +2404,16 @@ caddy2_config \ vme8349_config: unconfig @$(MKCONFIG) -t $(@:_config=) vme8349 ppc mpc83xx vme8349 esd
+edb9301_config \ +edb9302_config \ +edb9302a_config \ +edb9307_config \ +edb9307a_config \ +edb9312_config \ +edb9315_config \ +edb9315a_config: unconfig + @$(MKCONFIG) -t $(@:_config=) edb93xx arm arm920t edb93xx NULL ep93xx + ######################################################################### ## MPC85xx Systems ######################################################################### diff --git a/board/edb93xx/Makefile b/board/edb93xx/Makefile new file mode 100644 index 0000000..e2e2636 --- /dev/null +++ b/board/edb93xx/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2003-2006 +# 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 + +LIB = $(obj)lib$(BOARD).a + +COBJS := edb93xx.o flash_cfg.o pll_cfg.o sdram_cfg.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +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 .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/edb93xx/config.mk b/board/edb93xx/config.mk new file mode 100644 index 0000000..b2fc6fa --- /dev/null +++ b/board/edb93xx/config.mk @@ -0,0 +1,33 @@ +LDSCRIPT := $(SRCTREE)/cpu/arm920t/ep93xx/u-boot.lds + +ifdef CONFIG_EDB9301 +TEXT_BASE = 0x05700000 +endif + +ifdef CONFIG_EDB9302 +TEXT_BASE = 0x05700000 +endif + +ifdef CONFIG_EDB9302A +TEXT_BASE = 0xc5700000 +endif + +ifdef CONFIG_EDB9307 +TEXT_BASE = 0x01f00000 +endif + +ifdef CONFIG_EDB9307A +TEXT_BASE = 0xc1f00000 +endif + +ifdef CONFIG_EDB9312 +TEXT_BASE = 0x01f00000 +endif + +ifdef CONFIG_EDB9315 +TEXT_BASE = 0x01f00000 +endif + +ifdef CONFIG_EDB9315A +TEXT_BASE = 0xc1f00000 +endif diff --git a/board/edb93xx/early_udelay.h b/board/edb93xx/early_udelay.h new file mode 100644 index 0000000..3b26b3f --- /dev/null +++ b/board/edb93xx/early_udelay.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * 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> + +/* delay execution before timers are initialized */ +static inline void early_udelay(uint32_t usecs) +{ + /* loop takes 4 cycles at 5.0ns (fastest case, running at 200MHz) */ + register uint32_t loops = (usecs * 1000) / 20; + + __asm__ volatile ("1:\n" + "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0" (loops)); +} diff --git a/board/edb93xx/edb93xx.c b/board/edb93xx/edb93xx.c new file mode 100644 index 0000000..52ec259 --- /dev/null +++ b/board/edb93xx/edb93xx.c @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * (C) Copyright 2002 2003 + * Network Audio Technologies, Inc. <www.netaudiotech.com> + * Adam Bezanson bezanson@netaudiotech.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 <common.h> +#include <netdev.h> +#include <asm/arch/ep93xx.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define MAX_BANK_SIZE 0x04000000 /* 64 MB */ + +static ulong const bank_addr[CONFIG_NR_DRAM_BANKS] = { + PHYS_SDRAM_1, +#ifdef PHYS_SDRAM_2 + PHYS_SDRAM_2, +#endif +#ifdef PHYS_SDRAM_3 + PHYS_SDRAM_3, +#endif +#ifdef PHYS_SDRAM_4 + PHYS_SDRAM_4 +#endif +}; + +int board_init(void) +{ + struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; + + icache_enable(); + +#ifdef USE_920T_MMU + dcache_enable(); +#endif + + /* + * set UARTBAUD bit to drive UARTs with 14.7456MHz instead of + * 14.7456/2 MHz + */ + uint32_t value = readl(&syscon->pwrcnt); + value |= SYSCON_PWRCNT_UART_BAUD; + writel(value, &syscon->pwrcnt); + + /* Machine number, as defined in linux/arch/arm/tools/mach-types */ + gd->bd->bi_arch_number = CONFIG_MACH_TYPE; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + + /* We have a console */ + gd->have_console = 1; + + return 0; +} + +int board_eth_init(bd_t *bd) +{ + return ep93xx_eth_initialize(0, MAC_BASE); +} + +int dram_init(void) +{ + unsigned int *src, *dst; + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + const ulong bank_size = get_ram_size((long *)bank_addr[i], + MAX_BANK_SIZE); + if (bank_size) { + gd->bd->bi_dram[i].start = bank_addr[i]; + gd->bd->bi_dram[i].size = bank_size; + } + } + + /* copy exception vectors */ + src = (unsigned int *)_armboot_start; + +#ifdef CONFIG_EDB93XX_SDCS3 + dst = (unsigned int *)0x00000000; +#else + dst = (unsigned int *)0xc0000000; +#endif + memcpy(dst, src, 16 * sizeof(unsigned int)); + + return 0; +} diff --git a/board/edb93xx/flash_cfg.c b/board/edb93xx/flash_cfg.c new file mode 100644 index 0000000..24ea210 --- /dev/null +++ b/board/edb93xx/flash_cfg.c @@ -0,0 +1,38 @@ +/* + * Flash setup for Cirrus edb93xx boards + * + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * 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 <asm/arch/ep93xx.h> +#include <asm/io.h> + +#define SMC_BCR6_VALUE (2 << SMC_BCR_IDCY_SHIFT | 5 << SMC_BCR_WST1_SHIFT | \ + SMC_BCR_BLE | 2 << SMC_BCR_WST2_SHIFT | \ + 1 << SMC_BCR_MW_SHIFT) + +void flash_cfg(void) +{ + struct smc_regs *smc = (struct smc_regs *)SMC_BASE; + + writel(SMC_BCR6_VALUE, &smc->bcr6); +} diff --git a/board/edb93xx/pll_cfg.c b/board/edb93xx/pll_cfg.c new file mode 100644 index 0000000..a687af0 --- /dev/null +++ b/board/edb93xx/pll_cfg.c @@ -0,0 +1,58 @@ +/* + * PLL setup for Cirrus edb93xx boards + * + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * Copyright (C) 2006 Dominic Rath Dominic.Rath@gmx.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 <common.h> +#include <asm/io.h> +#include "pll_cfg.h" +#include "early_udelay.h" + +void pll_cfg(void) +{ + struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; + + /* setup PLL1 */ + writel(CLKSET1_VAL, &syscon->clkset1); + + /* + * flush the pipeline + * writing to CLKSET1 causes the EP93xx to enter standby for between + * 8 ms to 16 ms, until PLL1 stabilizes + */ + asm("nop"); + asm("nop"); + asm("nop"); + asm("nop"); + asm("nop"); + + /* setup PLL2 */ + writel(CLKSET2_VAL, &syscon->clkset2); + + /* + * the user's guide recommends to wait at least 1 ms for PLL2 to + * stabilize + */ + early_udelay(1000); +} diff --git a/board/edb93xx/pll_cfg.h b/board/edb93xx/pll_cfg.h new file mode 100644 index 0000000..8001e01 --- /dev/null +++ b/board/edb93xx/pll_cfg.h @@ -0,0 +1,72 @@ +/* + * PLL register values for Cirrus edb93xx boards + * + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * 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 <asm/arch/ep93xx.h> + +#if defined(CONFIG_EDB9301) || defined(CONFIG_EDB9302) || \ + defined(CONFIG_EDB9302A) +/* + * fclk_div: 2, nbyp1: 1, hclk_div: 5, pclk_div: 2 + * pll1_x1: 294912000.000000, pll1_x2ip: 36864000.000000, + * pll1_x2: 331776000.000000, pll1_out: 331776000.000000 + */ +#define CLKSET1_VAL (7 << SYSCON_CLKSET_PLL_X2IPD_SHIFT | \ + 8 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT | \ + 19 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT | \ + 1 << SYSCON_CLKSET1_PCLK_DIV_SHIFT | \ + 3 << SYSCON_CLKSET1_HCLK_DIV_SHIFT | \ + SYSCON_CLKSET1_NBYP1 | \ + 1 << SYSCON_CLKSET1_FCLK_DIV_SHIFT) +#elif defined(CONFIG_EDB9307) || defined(CONFIG_EDB9307A) ||\ + defined CONFIG_EDB9312 || defined(CONFIG_EDB9315) ||\ + defined(CONFIG_EDB9315A) +/* + * fclk_div: 2, nbyp1: 1, hclk_div: 4, pclk_div: 2 + * pll1_x1: 3096576000.000000, pll1_x2ip: 129024000.000000, + * pll1_x2: 3999744000.000000, pll1_out: 1999872000.000000 + */ +#define CLKSET1_VAL (23 << SYSCON_CLKSET_PLL_X2IPD_SHIFT | \ + 30 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT | \ + 20 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT | \ + 1 << SYSCON_CLKSET1_PCLK_DIV_SHIFT | \ + 2 << SYSCON_CLKSET1_HCLK_DIV_SHIFT | \ + SYSCON_CLKSET1_NBYP1 | \ + 1 << SYSCON_CLKSET1_FCLK_DIV_SHIFT) +#else +#error "Undefined board" +#endif + +/* + * usb_div: 4, nbyp2: 1, pll2_en: 1 + * pll2_x1: 368640000.000000, pll2_x2ip: 15360000.000000, + * pll2_x2: 384000000.000000, pll2_out: 192000000.000000 + */ +#define CLKSET2_VAL (23 << SYSCON_CLKSET_PLL_X2IPD_SHIFT | \ + 24 << SYSCON_CLKSET_PLL_X2FBD2_SHIFT | \ + 24 << SYSCON_CLKSET_PLL_X1FBD1_SHIFT | \ + 1 << SYSCON_CLKSET_PLL_PS_SHIFT | \ + SYSCON_CLKSET2_PLL2_EN | \ + SYSCON_CLKSET2_NBYP2 | \ + 3 << SYSCON_CLKSET2_USB_DIV_SHIFT) diff --git a/board/edb93xx/sdram_cfg.c b/board/edb93xx/sdram_cfg.c new file mode 100644 index 0000000..201390b --- /dev/null +++ b/board/edb93xx/sdram_cfg.c @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * Copyright (C) 2006 Dominic Rath Dominic.Rath@gmx.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 <asm/io.h> +#include "sdram_cfg.h" +#include "early_udelay.h" + +#define PROGRAM_MODE_REG(bank) (*(volatile uint32_t *) \ + (SDRAM_BASE_ADDR | SDRAM_BANK_SEL_##bank | SDRAM_MODE_REG_VAL)) + +#define PRECHARGE_BANK(bank) (*(volatile uint32_t *) \ + (SDRAM_BASE_ADDR | SDRAM_BANK_SEL_##bank)) + +static void force_precharge(void); +static void setup_refresh_timer(void); +static void program_mode_registers(void); + +void sdram_cfg(void) +{ + struct sdram_regs *sdram = (struct sdram_regs *)SDRAM_BASE; + + writel(SDRAM_DEVCFG_VAL, &sdram->SDRAM_DEVCFG_REG); + + /* Issue continous NOP commands */ + writel(GLCONFIG_INIT | GLCONFIG_MRS | GLCONFIG_CKE, &sdram->glconfig); + + early_udelay(200); + + force_precharge(); + + setup_refresh_timer(); + + program_mode_registers(); + + /* Select normal operation mode */ + writel(GLCONFIG_CKE, &sdram->glconfig); +} + +static void force_precharge(void) +{ + /* + * Errata most EP93xx revisions say that PRECHARGE ALL isn't always + * issued. + * + * Do a read from each bank to make sure they're precharged + */ + + PRECHARGE_BANK(0); + PRECHARGE_BANK(1); + PRECHARGE_BANK(2); + PRECHARGE_BANK(3); +} + +static void setup_refresh_timer(void) +{ + struct sdram_regs *sdram = (struct sdram_regs *)SDRAM_BASE; + + /* Load refresh timer with 10 to issue refresh every 10 cycles */ + writel(0x0a, &sdram->refrshtimr); + + /* + * Wait at least 80 clock cycles to provide 8 refresh cycles + * to all SDRAMs + */ + early_udelay(1); + + /* + * Program refresh timer with normal value + * We need 8192 refresh cycles every 64ms + * at 15ns (HCLK >= 66MHz) per cycle: + * 64ms / 8192 = 7.8125us + * 7.8125us / 15ns = 520 (0x208) + */ + /* + * TODO: redboot uses 0x1e0 for the slowest possible device + * but i don't understand how this value is calculated + */ + writel(0x208, &sdram->refrshtimr); +} + +static void program_mode_registers(void) +{ + PROGRAM_MODE_REG(0); + +#if (CONFIG_NR_DRAM_BANKS >= 2) + PROGRAM_MODE_REG(1); +#endif + +#if (CONFIG_NR_DRAM_BANKS >= 3) + PROGRAM_MODE_REG(2); +#endif + +#if (CONFIG_NR_DRAM_BANKS == 4) + PROGRAM_MODE_REG(3); +#endif +} diff --git a/board/edb93xx/sdram_cfg.h b/board/edb93xx/sdram_cfg.h new file mode 100644 index 0000000..983ff83 --- /dev/null +++ b/board/edb93xx/sdram_cfg.h @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2009 Matthias Kaehlcke matthias@kaehlcke.net + * + * Copyright (C) 2006 Dominic Rath Dominic.Rath@gmx.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 <config.h> +#include <asm/arch/ep93xx.h> + +#define SDRAM_BASE_ADDR PHYS_SDRAM_1 + +#ifdef CONFIG_EDB93XX_SDCS0 +#define SDRAM_DEVCFG_REG devcfg0 +#elif defined(CONFIG_EDB93XX_SDCS3) +#define SDRAM_DEVCFG_REG devcfg3 +#else +#error "SDRAM bank configuration" +#endif + +#if defined(CONFIG_EDB9301) || defined(CONFIG_EDB9302) ||\ + defined(CONFIG_EDB9302A) +/* + * 1x Samsung K4S561632C-TC/L75 4M x 16bit x 4 banks SDRAM + * + * CLK cycle time min: + * @ CAS latency = 3: 7.5ns + * @ CAS latency = 2: 10ns + * We're running at 66MHz (15ns cycle time) external bus speed (HCLK), + * so it's safe to use CAS latency = 2 + * + * RAS-to-CAS delay min: + * 20ns + * At 15ns cycle time, we use RAS-to-CAS delay = 2 + * + * SROMLL = 1: Swap BA[1:0] with A[13:12], making the SDRAM appear + * as four blocks of 8MB size, instead of eight blocks of 4MB size: + * + * EDB9301/EDB9302: + * + * 0x00000000 - 0x007fffff + * 0x01000000 - 0x017fffff + * 0x04000000 - 0x047fffff + * 0x05000000 - 0x057fffff + * + * + * EDB9302a: + * + * 0xc0000000 - 0xc07fffff + * 0xc1000000 - 0xc17fffff + * 0xc4000000 - 0xc47fffff + * 0xc5000000 - 0xc57fffff + * + * BANKCOUNT = 1: This is a device with four banks + */ + +#define SDRAM_DEVCFG_VAL (SDRAM_DEVCFG_BANKCOUNT | \ + SDRAM_DEVCFG_SROMLL | \ + SDRAM_DEVCFG_CASLAT_2 | \ + SDRAM_DEVCFG_RASTOCAS_2 | \ + SDRAM_DEVCFG_EXTBUSWIDTH) + +/* + * 16 bit ext. bus + * + * A[22:09] is output as SYA[13:0] + * CAS latency: 2 + * Burst type: sequential + * Burst length: 8 (required for 16 bit ext. bus) + * SYA[13:0] = 0x0023 + */ +#define SDRAM_MODE_REG_VAL 0x4600 + +#define SDRAM_BANK_SEL_0 0x00000000 /* A[22:21] = b00 */ +#define SDRAM_BANK_SEL_1 0x00200000 /* A[22:21] = b01 */ +#define SDRAM_BANK_SEL_2 0x00400000 /* A[22:21] = b10 */ +#define SDRAM_BANK_SEL_3 0x00600000 /* A[22:21] = b11 */ + +#elif defined(CONFIG_EDB9307) || defined(CONFIG_EDB9307A) ||\ + defined CONFIG_EDB9312 || defined(CONFIG_EDB9315) ||\ + defined(CONFIG_EDB9315A) +/* + * 2x Samsung K4S561632C-TC/L75 4M x 16bit x 4 banks SDRAM + * + * CLK cycle time min: + * @ CAS latency = 3: 7.5ns + * @ CAS latency = 2: 10ns + * We're running at 100MHz (10ns cycle time) external bus speed (HCLK), + * so it's safe to use CAS latency = 2 + * + * RAS-to-CAS delay min: + * 20ns + * At 10ns cycle time, we use RAS-to-CAS delay = 2 + * + * EDB9307, EDB9312, EDB9315: + * + * 0x00000000 - 0x01ffffff + * 0x04000000 - 0x05ffffff + * + * + * EDB9307a, EDB9315a: + * + * 0xc0000000 - 0xc1ffffff + * 0xc4000000 - 0xc5ffffff + */ + +#define SDRAM_DEVCFG_VAL (SDRAM_DEVCFG_BANKCOUNT | \ + SDRAM_DEVCFG_SROMLL | \ + SDRAM_DEVCFG_CASLAT_2 | \ + SDRAM_DEVCFG_RASTOCAS_2) + +/* + * 32 bit ext. bus + * + * A[23:10] is output as SYA[13:0] + * CAS latency: 2 + * Burst type: sequential + * Burst length: 4 + * SYA[13:0] = 0x0022 + */ +#define SDRAM_MODE_REG_VAL 0x8800 + +#define SDRAM_BANK_SEL_0 0x00000000 /* A[23:22] = b00 */ +#define SDRAM_BANK_SEL_1 0x00400000 /* A[23:22] = b01 */ +#define SDRAM_BANK_SEL_2 0x00800000 /* A[23:22] = b10 */ +#define SDRAM_BANK_SEL_3 0x00c00000 /* A[23:22] = b11 */ +#endif diff --git a/include/configs/edb93xx.h b/include/configs/edb93xx.h new file mode 100644 index 0000000..fec21c8 --- /dev/null +++ b/include/configs/edb93xx.h @@ -0,0 +1,273 @@ +/* + * U-boot - Configuration file for Cirrus Logic EDB93xx boards + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#ifdef CONFIG_MK_edb9301 +#define CONFIG_EDB9301 +#elif defined(CONFIG_MK_edb9302) +#define CONFIG_EDB9302 +#elif defined(CONFIG_MK_edb9302a) +#define CONFIG_EDB9302A +#elif defined(CONFIG_MK_edb9307) +#define CONFIG_EDB9307 +#elif defined(CONFIG_MK_edb9307a) +#define CONFIG_EDB9307A +#elif defined(CONFIG_MK_edb9312) +#define CONFIG_EDB9312 +#elif defined(CONFIG_MK_edb9315) +#define CONFIG_EDB9315 +#elif defined(CONFIG_MK_edb9315a) +#define CONFIG_EDB9315A +#else +#error "no board defined" +#endif + +/* Initial environment and monitor configuration options. */ +#define CONFIG_BOOTDELAY 2 +#define CONFIG_CMDLINE_TAG 1 +#define CONFIG_INITRD_TAG 1 +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_BOOTARGS "root=/dev/nfs console=ttyAM0,115200 ip=dhcp" +#define CONFIG_BOOTFILE "edb93xx.img" + +#define CONFIG_SYS_HUSH_PARSER 1 +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " + +#ifdef CONFIG_EDB9301 +#define CONFIG_EP9301 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9301 +#define CONFIG_SYS_PROMPT "EDB9301> " +#define CONFIG_ENV_SECT_SIZE 0x00020000 +#elif defined(CONFIG_EDB9302) +#define CONFIG_EP9302 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9302 +#define CONFIG_SYS_PROMPT "EDB9302> " +#define CONFIG_ENV_SECT_SIZE 0x00020000 +#elif defined(CONFIG_EDB9302A) +#define CONFIG_EP9302 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9302A +#define CONFIG_SYS_PROMPT "EDB9302A> " +#define CONFIG_ENV_SECT_SIZE 0x00020000 +#elif defined(CONFIG_EDB9307) +#define CONFIG_EP9307 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9307 +#define CONFIG_SYS_PROMPT "EDB9307> " +#define CONFIG_ENV_SECT_SIZE 0x00040000 +#elif defined(CONFIG_EDB9307A) +#define CONFIG_EP9307 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9307A +#define CONFIG_SYS_PROMPT "EDB9307A> " +#define CONFIG_ENV_SECT_SIZE 0x00040000 +#elif defined(CONFIG_EDB9312) +#define CONFIG_EP9312 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9312 +#define CONFIG_SYS_PROMPT "EDB9312> " +#define CONFIG_ENV_SECT_SIZE 0x00040000 +#elif defined(CONFIG_EDB9315) +#define CONFIG_EP9315 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9315 +#define CONFIG_SYS_PROMPT "EDB9315> " +#define CONFIG_ENV_SECT_SIZE 0x00040000 +#elif defined(CONFIG_EDB9315A) +#define CONFIG_EP9315 +#define CONFIG_MACH_TYPE MACH_TYPE_EDB9315A +#define CONFIG_SYS_PROMPT "EDB9315A> " +#define CONFIG_ENV_SECT_SIZE 0x00040000 +#else +#error "no board defined" +#endif + +/* High-level configuration options */ +#define CONFIG_ARM920T 1 /* This is an ARM920T core... */ +#define CONFIG_EP93XX 1 /* in a Cirrus Logic 93xx SoC */ + +#define CONFIG_SYS_CLK_FREQ 14745600 /* EP93xx has a 14.7456 clock */ +#define CONFIG_SYS_HZ 1000 /* decr freq: 1 ms ticks */ +#undef CONFIG_USE_IRQ /* Don't need IRQ/FIQ */ + +/* Monitor configuration */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_SETGETDCR +#undef CONFIG_CMD_XIMG + +#undef CONFIG_CMD_DATE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_FAT +#define CONFIG_CMD_JFFS2 + +#define CONFIG_SYS_LONGHELP /* Enable "long" help in mon */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ +/* Print buffer size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) +/* Boot argument buffer size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_MAXARGS 16 /* Max number of command args */ + +/* Serial port hardware configuration */ +#define CONFIG_PL010_SERIAL +#define CONFIG_CONS_INDEX 0 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} +#define CONFIG_SYS_SERIAL0 0x808C0000 +#define CONFIG_SYS_SERIAL1 0x808D0000 +#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \ + (void *)CONFIG_SYS_SERIAL1} + +/* Status LED */ +#define CONFIG_STATUS_LED 1 /* Status LED enabled */ +#define CONFIG_BOARD_SPECIFIC_LED 1 +#define STATUS_LED_GREEN 0 +#define STATUS_LED_RED 1 +/* Green */ +#define STATUS_LED_BIT STATUS_LED_GREEN +#define STATUS_LED_STATE STATUS_LED_ON +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +/* Red */ +#define STATUS_LED_BIT1 STATUS_LED_RED +#define STATUS_LED_STATE1 STATUS_LED_OFF +#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2) +/* Optional value */ +#define STATUS_LED_BOOT STATUS_LED_BIT + +/* Network hardware configuration */ +#define CONFIG_DRIVER_EP93XX_MAC +#define CONFIG_MII_SUPPRESS_PREAMBLE +#define CONFIG_MII +#define CONFIG_PHY_ADDR 1 +#define CONFIG_NET_MULTI +#undef CONFIG_NETCONSOLE + +/* SDRAM configuration */ +#if defined(CONFIG_EDB9301) || defined(CONFIG_EDB9302) +/* + * EDB9301/2 has 4 banks of SDRAM consisting of 1x Samsung K4S561632E-TC75 + * 256 Mbit SDRAM on a 16-bit data bus, for a total of 32MB of SDRAM. We set + * the SROMLL bit on the processor, resulting in this non-contiguous memory map. + */ +#define CONFIG_NR_DRAM_BANKS 4 +#define PHYS_SDRAM_1 0x00000000 +#define PHYS_SDRAM_SIZE_1 0x00800000 +#define PHYS_SDRAM_2 0x01000000 +#define PHYS_SDRAM_SIZE_2 0x00800000 +#define PHYS_SDRAM_3 0x04000000 +#define PHYS_SDRAM_SIZE_3 0x00800000 +#define PHYS_SDRAM_4 0x05000000 +#define PHYS_SDRAM_SIZE_4 0x00800000 +#define CONFIG_EDB93XX_SDCS3 +#define CONFIG_SYS_MEMTEST_START 0x00100000 +#define CONFIG_SYS_MEMTEST_END 0x007fffff + +#elif defined(CONFIG_EDB9302A) +/* + * EDB9302a has 4 banks of SDRAM consisting of 1x Samsung K4S561632E-TC75 + * 256 Mbit SDRAM on a 16-bit data bus, for a total of 32MB of SDRAM. We set + * the SROMLL bit on the processor, resulting in this non-contiguous memory map. + */ +#define CONFIG_NR_DRAM_BANKS 4 +#define PHYS_SDRAM_1 0xc0000000 +#define PHYS_SDRAM_SIZE_1 0x00800000 +#define PHYS_SDRAM_2 0xc1000000 +#define PHYS_SDRAM_SIZE_2 0x00800000 +#define PHYS_SDRAM_3 0xc4000000 +#define PHYS_SDRAM_SIZE_3 0x00800000 +#define PHYS_SDRAM_4 0xc5000000 +#define PHYS_SDRAM_SIZE_4 0x00800000 +#define CONFIG_EDB93XX_SDCS0 +#define CONFIG_SYS_MEMTEST_START 0xc0100000 +#define CONFIG_SYS_MEMTEST_END 0xc07fffff + +#elif defined(CONFIG_EDB9307) || defined CONFIG_EDB9312 || \ + defined(CONFIG_EDB9315) +/* + * The EDB9307, EDB9312, and EDB9315 have 2 banks of SDRAM consisting of + * 2x Samsung K4S561632E-TC75 256 Mbit on a 32-bit data bus, for a total of + * 64 MB of SDRAM. + */ +#define CONFIG_NR_DRAM_BANKS 2 +#define PHYS_SDRAM_1 0x00000000 +#define PHYS_SDRAM_SIZE_1 0x02000000 +#define PHYS_SDRAM_2 0x04000000 +#define PHYS_SDRAM_SIZE_2 0x02000000 +#define CONFIG_EDB93XX_SDCS3 +#define CONFIG_SYS_MEMTEST_START 0x00100000 +#define CONFIG_SYS_MEMTEST_END 0x01e00000 + +#elif defined(CONFIG_EDB9307A) || defined(CONFIG_EDB9315A) +/* + * The EDB9307A and EDB9315A have 2 banks of SDRAM consisting of 2x Samsung + * K4S561632E-TC75 256 Mbit on a 32-bit data bus, for a total of 64 MB of SDRAM. + */ +#define CONFIG_NR_DRAM_BANKS 2 +#define PHYS_SDRAM_1 0xc0000000 +#define PHYS_SDRAM_SIZE_1 0x02000000 +#define PHYS_SDRAM_2 0xc4000000 +#define PHYS_SDRAM_SIZE_2 0x02000000 +#define CONFIG_EDB93XX_SDCS0 +#define CONFIG_SYS_MEMTEST_START 0xc0100000 +#define CONFIG_SYS_MEMTEST_END 0xc1e00000 +#endif + +#if defined(CONFIG_EDB93XX_SDCS3) +#define CONFIG_SYS_LOAD_ADDR 0x01000000 /* Default load address */ +#elif defined(CONFIG_EDB93XX_SDCS0) +#define CONFIG_SYS_LOAD_ADDR 0xc1000000 /* Default load address */ +#endif + +/* Must match kernel config */ +#define LINUX_BOOT_PARAM_ADDR (PHYS_SDRAM_1 + 0x100) + +/* Run-time memory allocatons */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 +#define CONFIG_STACKSIZE (128 * 1024) + +#if defined(CONFIG_USE_IRQ) +#define CONFIG_STACKSIZE_IRQ (4 * 1024) +#define CONFIG_STACKSIZE_FIQ (4 * 1024) +#endif + +#define CONFIG_SYS_MALLOC_LEN (512 * 1024) + +/* ----------------------------------------------------------------------------- + * FLASH and environment organization + * + * The EDB9301 and EDB9302(a) have 1 bank of flash memory at 0x60000000 + * consisting of 1x Intel TE28F128J3C-150 128 Mbit flash on a 16-bit data bus, + * for a total of 16 MB of CFI-compatible flash. + * + * The EDB9307(a), EDB9312, and EDB9315(a) have 1 bank of flash memory at + * 0x60000000 consisting of 2x Micron MT28F128J3-12 128 Mbit flash on a 32-bit + * data bus, for a total of 32 MB of CFI-compatible flash. + * + * EDB9301/02(a) EDB9307(a)/12/15(a) + * 0x60000000 - 0x0003FFFF u-boot u-boot + * 0x60040000 - 0x0005FFFF environment #1 environment #1 + * 0x60060000 - 0x0007FFFF environment #2 environment #1 (continued) + * 0x60080000 - 0x0009FFFF unused environment #2 + * 0x600A0000 - 0x000BFFFF unused environment #2 (continued) + * 0x600C0000 - 0x00FFFFFF unused unused + * 0x61000000 - 0x01FFFFFF not present unused + */ +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT 128 + +#define PHYS_FLASH_1 0x60000000 +#define CONFIG_SYS_FLASH_BASE (PHYS_FLASH_1) +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE +#define CONFIG_SYS_MONITOR_LEN (256 * 1024) + +#define CONFIG_ENV_OVERWRITE /* Vendor params unprotected */ +#define CONFIG_ENV_IS_IN_FLASH +#define CONFIG_ENV_ADDR 0x60040000 + +#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE) + +#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE + +#endif /* !defined (__CONFIG_H) */