* prepare joining at91 and at91rm9200 * please read README.soc-at91 for details
Signed-off-by: Jens Scharsig <js_at...@scharsoft.de> --- cpu/arm920t/at91/Makefile | 47 +++++++++ cpu/arm920t/at91/lowlevel_init.S | 177 ++++++++++++++++++++++++++++++++ cpu/arm920t/at91/reset.c | 59 +++++++++++ cpu/arm920t/at91/timer.c | 163 +++++++++++++++++++++++++++++ cpu/arm920t/cpu.c | 4 + doc/README.at91-soc | 24 ++++- include/asm-arm/arch-at91/at91_mc.h | 89 ++++++++++++++++ include/asm-arm/arch-at91/at91_st.h | 48 +++++++++ include/asm-arm/arch-at91/at91_tc.h | 79 ++++++++++++++ include/asm-arm/arch-at91/at91rm9200.h | 135 ++++++++++++++++++++++++ include/asm-arm/arch-at91/hardware.h | 2 +- 11 files changed, 825 insertions(+), 2 deletions(-) create mode 100644 cpu/arm920t/at91/Makefile create mode 100644 cpu/arm920t/at91/lowlevel_init.S create mode 100644 cpu/arm920t/at91/reset.c create mode 100644 cpu/arm920t/at91/timer.c create mode 100644 include/asm-arm/arch-at91/at91_mc.h create mode 100644 include/asm-arm/arch-at91/at91_st.h create mode 100644 include/asm-arm/arch-at91/at91_tc.h create mode 100644 include/asm-arm/arch-at91/at91rm9200.h diff --git a/cpu/arm920t/at91/Makefile b/cpu/arm920t/at91/Makefile new file mode 100644 index 0000000..6e683f6 --- /dev/null +++ b/cpu/arm920t/at91/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, w...@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 = $(obj)lib$(SOC).a + +SOBJS += lowlevel_init.o +COBJS += reset.o +COBJS += timer.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm920t/at91/lowlevel_init.S b/cpu/arm920t/at91/lowlevel_init.S new file mode 100644 index 0000000..ecd3d7e --- /dev/null +++ b/cpu/arm920t/at91/lowlevel_init.S @@ -0,0 +1,177 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 1999 2000 2001 Erik Mouw (j.a.k.m...@its.tudelft.nl) and + * Jan-Derk Bakker (j.d.bak...@its.tudelft.nl) + * + * Modified for the at91rm9200dk board by + * (C) Copyright 2004 + * Gary Jennejohn, DENX Software Engineering, <ga...@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 <config.h> +#include <version.h> + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT + +#define AT91_PMC_MOR 0xFFFFFC20 /* Main oscillator register */ +#define AT91_PMC_PLLAR 0xFFFFFC28 +#define AT91_PMC_PLLBR 0xFFFFFC2C +#define AT91_PMC_MCKR 0xFFFFFC30 + +#define AT91_PIOC_ASR 0xFFFFF870 +#define AT91_PIOC_BSR 0xFFFFF874 +#define AT91_PIOC_PDR 0xFFFFF804 + +#define AT91_MC_EBI_CSA 0xFFFFFF60 +#define AT91_MC_EBI_CFG 0xFFFFFF64 +#define AT91_MC_SMC_CSR0 0xFFFFFF70 + +#define AT91_MC_SDRAMC_MR 0xFFFFFF90 +#define AT91_MC_SDRAMC_TR 0xFFFFFF94 +#define AT91_MC_SDRAMC_CR 0xFFFFFF98 + +_MTEXT_BASE: +#undef START_FROM_MEM +#ifdef START_FROM_MEM + .word TEXT_BASE-PHYS_FLASH_1 +#else + .word TEXT_BASE +#endif + +.globl lowlevel_init +lowlevel_init: + ldr r1, =AT91_PMC_MOR + /* Main oscillator Enable register */ +#ifdef CONFIG_SYS_USE_MAIN_OSCILLATOR + ldr r0, =0x0000FF01 /* Enable main oscillator */ +#else + ldr r0, =0x0000FF00 /* Disable main oscillator */ +#endif + str r0, [r1] /*AT91C_CKGR_MOR] */ + /* Add loop to compensate Main Oscillator startup time */ + ldr r0, =0x00000010 +LoopOsc: + subs r0, r0, #1 + bhi LoopOsc + + /* memory control configuration */ + /* this isn't very elegant, but what the heck */ + ldr r0, =SMRDATA + ldr r1, _MTEXT_BASE + sub r0, r0, r1 + add r2, r0, #80 +0: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 0b + /* delay - this is all done by guess */ + ldr r0, =0x00010000 + /* (vs reading PMC_SR for LOCKA, LOCKB ... or MOSCS earlier) */ +1: + subs r0, r0, #1 + bhi 1b + ldr r0, =SMRDATA1 + ldr r1, _MTEXT_BASE + sub r0, r0, r1 + add r2, r0, #176 +2: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 2b + + /* switch from FastBus to Asynchronous clock mode */ + mrc p15, 0, r0, c1, c0, 0 + orr r0, r0, #0xC0000000 @ set bit 31 (iA) and 30 (nF) + mcr p15, 0, r0, c1, c0, 0 + + /* everything is fine now */ + mov pc, lr + + .ltorg + +SMRDATA: + .word AT91_MC_EBI_CFG + .word CONFIG_SYS_EBI_CFGR_VAL + .word AT91_MC_SMC_CSR0 + .word CONFIG_SYS_SMC_CSR0_VAL + .word AT91_PMC_PLLAR + .word CONFIG_SYS_PLLAR_VAL + .word AT91_PMC_PLLBR + .word CONFIG_SYS_PLLBR_VAL + .word AT91_PMC_MCKR + .word CONFIG_SYS_MCKR_VAL + /* here there's a delay */ +SMRDATA1: + .word AT91_PIOC_ASR + .word CONFIG_SYS_PIOC_ASR_VAL + .word AT91_PIOC_BSR + .word CONFIG_SYS_PIOC_BSR_VAL + .word AT91_PIOC_PDR + .word CONFIG_SYS_PIOC_PDR_VAL + .word AT91_MC_EBI_CSA + .word CONFIG_SYS_EBI_CSA_VAL + .word AT91_MC_SDRAMC_CR + .word CONFIG_SYS_SDRC_CR_VAL + .word AT91_MC_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word AT91_MC_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL1 + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word AT91_MC_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL2 + .word CONFIG_SYS_SDRAM1 + .word CONFIG_SYS_SDRAM_VAL + .word AT91_MC_SDRAMC_TR + .word CONFIG_SYS_SDRC_TR_VAL + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + .word AT91_MC_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL3 + .word CONFIG_SYS_SDRAM + .word CONFIG_SYS_SDRAM_VAL + /* SMRDATA1 is 176 bytes long */ +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/cpu/arm920t/at91/reset.c b/cpu/arm920t/at91/reset.c new file mode 100644 index 0000000..d38c53b --- /dev/null +++ b/cpu/arm920t/at91/reset.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2002 + * Lineo, Inc. <www.lineo.com> + * Bernhard Kuhn <bk...@lineo.com> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroe...@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <a...@sysgo.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 <asm/arch/hardware.h> +#include <asm/arch/at91_st.h> + +void board_reset(void) __attribute__((__weak__)); + +void reset_cpu(ulong ignored) +{ + at91_st_t *st = (at91_st_t *) AT91_ST_BASE; +#if defined(CONFIG_AT91RM9200_USART) || defined(CONFIG_AT91_USART) + /*shutdown the console to avoid strange chars during reset */ + serial_exit(); +#endif + + if (board_reset) + board_reset(); + + /* Reset the cpu by setting up the watchdog timer */ + writel(AT91_ST_WDMR_RSTEN | AT91_ST_WDMR_EXTEN | AT91_ST_WDMR_WDV(2), + &st->wdmr); + writel(AT91_ST_CR_WDRST, &st->cr); + /* and let him time out */ + while (1) + ; + /* Never reached */ +} diff --git a/cpu/arm920t/at91/timer.c b/cpu/arm920t/at91/timer.c new file mode 100644 index 0000000..91377d4 --- /dev/null +++ b/cpu/arm920t/at91/timer.c @@ -0,0 +1,163 @@ +/* + * (C) Copyright 2002 + * Lineo, Inc. <www.lineo.com> + * Bernhard Kuhn <bk...@lineo.com> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroe...@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <a...@sysgo.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 <asm/hardware.h> +#include <asm/arch/at91_tc.h> +#include <asm/arch/at91_pmc.h> + +/* the number of clocks per CONFIG_SYS_HZ */ +#define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK/CONFIG_SYS_HZ) + +static u32 timestamp; +static u32 lastinc; + +int timer_init(void) +{ + at91_tc_t *tc = (at91_tc_t *) AT91_TC_BASE; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + + /* enables TC1.0 clock */ + writel(1 << AT91_ID_TC0, &pmc->pcer); /* enable clock */ + + writel(0, &tc->bcr); + writel(AT91_TC_BMR_TC0XC0S_NONE | AT91_TC_BMR_TC1XC1S_NONE | + AT91_TC_BMR_TC2XC2S_NONE , &tc->bmr); + + writel(AT91_TC_CCR_CLKDIS, &tc->tc[0].ccr); + /* set to MCLK/2 and restart the timer + when the value in TC_RC is reached */ + writel(AT91_TC_CMR_TCCLKS_CLOCK1 | AT91_TC_CMR_CPCTRG, &tc->tc[0].cmr); + + writel(0xFFFFFFFF, &tc->tc[0].idr); /* disable interupts */ + writel(TIMER_LOAD_VAL, &tc->tc[0].rc); + + writel(AT91_TC_CCR_SWTRG | AT91_TC_CCR_CLKEN, &tc->tc[0].ccr); + lastinc = 0; + timestamp = 0; + + return 0; +} + +/* + * timer without interrupts + */ + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void set_timer(ulong t) +{ + timestamp = t; +} + +void __udelay(unsigned long usec) +{ + udelay_masked(usec); +} + +void reset_timer_masked(void) +{ + /* reset time */ + at91_tc_t *tc = (at91_tc_t *) AT91_TC_BASE; + lastinc = readl(&tc->tc[0].cv) & 0x0000ffff; + timestamp = 0; +} + +ulong get_timer_raw(void) +{ + at91_tc_t *tc = (at91_tc_t *) AT91_TC_BASE; + u32 now; + + now = readl(&tc->tc[0].cv) & 0x0000ffff; + + if (now >= lastinc) { + /* normal mode */ + timestamp += now - lastinc; + } else { + /* we have an overflow ... */ + timestamp += now + TIMER_LOAD_VAL - lastinc; + } + lastinc = now; + + return timestamp; +} + +ulong get_timer_masked(void) +{ + return get_timer_raw()/TIMER_LOAD_VAL; +} + +void udelay_masked(unsigned long usec) +{ + u32 tmo; + u32 endtime; + signed long diff; + + tmo = CONFIG_SYS_HZ_CLOCK / 1000; + tmo *= usec; + tmo /= 1000; + + endtime = get_timer_raw() + tmo; + + do { + u32 now = get_timer_raw(); + diff = endtime - now; + } while (diff >= 0); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + return CONFIG_SYS_HZ; +} diff --git a/cpu/arm920t/cpu.c b/cpu/arm920t/cpu.c index 34adb11..be82c87 100644 --- a/cpu/arm920t/cpu.c +++ b/cpu/arm920t/cpu.c @@ -33,6 +33,10 @@ #include <command.h> #include <asm/system.h> +#ifdef CONFIG_AT91_LEGACY +#warning Your board is using legacy AT91RM9200 SoC access. Please update! +#endif + static void cache_flush(void); int cleanup_before_linux (void) diff --git a/doc/README.at91-soc b/doc/README.at91-soc index 063016e..29234b1 100644 --- a/doc/README.at91-soc +++ b/doc/README.at91-soc @@ -37,6 +37,28 @@ The Way 1. add's the new temporary CONFIG_AT91_LEGACY to all board configs that not converted to new SoC access 2. add new structures for SoC access -3. Convert arch, driver and boards file zu new SoC +3. Convert arch, driver and boards file to new SoC 4. remove legacy code, if all boards and drives are ready + Join AT91 and AT91RM9200 SoC +============================== + +Approximately 95 percent of AT91 and AT91RM9200 SoC parts are the same. +So, we should use the chance, to join both archs togetter. + +To do this follow step needed: + +1. change Makefile + @$(MKCONFIG) $(@:_config=) arm arm920t board vendor at91rm9200 + to + @$(MKCONFIG) $(@:_config=) arm arm920t board vendor at91 +2. remove CONFIG_AT91_LEGACY in board config +3. convert boards file to new SoC access +4. convert or change drivers + +To support the joining process, a new SoC dir (at91) has been adding to +arm920t arch directory. This directory contains files like at91rm9200 dir, but +uses the new c structure Soc access. The advantage of this is, we don't merge +old Soc access code and new code while the board are not converted. +Finally we can delete the whole at91rm9200 dir, if all board support the +new AT91-SoC access. diff --git a/include/asm-arm/arch-at91/at91_mc.h b/include/asm-arm/arch-at91/at91_mc.h new file mode 100644 index 0000000..19d9755 --- /dev/null +++ b/include/asm-arm/arch-at91/at91_mc.h @@ -0,0 +1,89 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 2009 Jens Scharsig (js_at...@scharsoft.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 + */ + +#ifndef AT91_MC_H +#define AT91_MC_H + +typedef struct at91_ebi { + u32 csa; /* 0x00 Chip Select Assignment Register */ + u32 cfgr; /* 0x04 Configuration Register */ + u32 reserved[2]; +} at91_ebi_t; + +#define AT91_EBI_CSA_CS0A 0x0001 +#define AT91_EBI_CSA_CS1A 0x0002 + +#define AT91_EBI_CSA_CS3A 0x0008 +#define AT91_EBI_CSA_CS4A 0x0010 + +typedef struct at91_sdramc { + u32 mr; /* 0x00 SDRAMC Mode Register */ + u32 tr; /* 0x04 SDRAMC Refresh Timer Register */ + u32 cr; /* 0x08 SDRAMC Configuration Register */ + u32 ssr; /* 0x0C SDRAMC Self Refresh Register */ + u32 lpr; /* 0x10 SDRAMC Low Power Register */ + u32 ier; /* 0x14 SDRAMC Interrupt Enable Register */ + u32 idr; /* 0x18 SDRAMC Interrupt Disable Register */ + u32 imr; /* 0x1C SDRAMC Interrupt Mask Register */ + u32 icr; /* 0x20 SDRAMC Interrupt Status Register */ + u32 reserved[3]; +} at91_sdramc_t; + +typedef struct at91_smc { + u32 csr[8]; /* 0x00 SDRAMC Mode Register */ +} at91_smc_t; + +#define AT91_SMC_CSR_RWHOLD(x) ((x & 0x7) << 28) +#define AT91_SMC_CSR_RWSETUP(x) ((x & 0x7) << 24) +#define AT91_SMC_CSR_ACSS_STANDARD 0x00000000 +#define AT91_SMC_CSR_ACSS_1CYCLE 0x00010000 +#define AT91_SMC_CSR_ACSS_2CYCLE 0x00020000 +#define AT91_SMC_CSR_ACSS_3CYCLE 0x00030000 +#define AT91_SMC_CSR_DRP 0x00008000 +#define AT91_SMC_CSR_DBW_8 0x00004000 +#define AT91_SMC_CSR_DBW_16 0x00002000 +#define AT91_SMC_CSR_BAT_8 0x00000000 +#define AT91_SMC_CSR_BAT_16 0x00001000 +#define AT91_SMC_CSR_TDF(x) ((x & 0xF) << 8) +#define AT91_SMC_CSR_WSEN 0x00000080 +#define AT91_SMC_CSR_NWS(x) (x & 0x7F) + +typedef struct at91_bfc { + u32 mr; /* 0x00 SDRAMC Mode Register */ +} at91_bfc_t; + +typedef struct at91_mc { + u32 rcr; /* 0x00 MC Remap Control Register */ + u32 asr; /* 0x04 MC Abort Status Register */ + u32 aasr; /* 0x08 MC Abort Address Status Reg */ + u32 mpr; /* 0x0C MC Master Priority Register */ + u32 reserved1[20]; /* 0x10-0x5C */ + at91_ebi_t ebi; /* 0x60 - 0x6C EBI */ + at91_smc_t smc; /* 0x70 - 0x8C SMC User Interface */ + at91_sdramc_t sdramc; /* 0x90 - 0xBC SDRAMC User Interface */ + at91_bfc_t bfc; /* 0xC0 BFC User Interface */ + u32 reserved2[15]; +} at91_mc_t; + +#endif diff --git a/include/asm-arm/arch-at91/at91_st.h b/include/asm-arm/arch-at91/at91_st.h new file mode 100644 index 0000000..a5fcfd2 --- /dev/null +++ b/include/asm-arm/arch-at91/at91_st.h @@ -0,0 +1,48 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 2009 Jens Scharsig (js_at...@scharsoft.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 + */ + +#ifndef AT91_ST_H +#define AT91_ST_H + +typedef struct at91_st { + + u32 cr; + u32 pimr; + u32 wdmr; + u32 rtmr; + u32 sr; + u32 ier; + u32 idr; + u32 imr; + u32 rtar; + u32 crtr; +} at91_st_t; + +#define AT91_ST_CR_WDRST 1 + +#define AT91_ST_WDMR_WDV(x) (x & 0xFFFF) +#define AT91_ST_WDMR_RSTEN 0x00010000 +#define AT91_ST_WDMR_EXTEN 0x00020000 + +#endif diff --git a/include/asm-arm/arch-at91/at91_tc.h b/include/asm-arm/arch-at91/at91_tc.h new file mode 100644 index 0000000..b40cd20 --- /dev/null +++ b/include/asm-arm/arch-at91/at91_tc.h @@ -0,0 +1,79 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 2009 Jens Scharsig (js_at...@scharsoft.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 + */ + +#ifndef AT91_TC_H +#define AT91_TC_H + +typedef struct at91_tcc { + u32 ccr; /* 0x00 Channel Control Register */ + u32 cmr; /* 0x04 Channel Mode Register */ + u32 reserved1[2]; + u32 cv; /* 0x10 Counter Value */ + u32 ra; /* 0x14 Register A */ + u32 rb; /* 0x18 Register B */ + u32 rc; /* 0x1C Register C */ + u32 sr; /* 0x20 Status Register */ + u32 ier; /* 0x24 Interrupt Enable Register */ + u32 idr; /* 0x28 Interrupt Disable Register */ + u32 imr; /* 0x2C Interrupt Mask Register */ + u32 reserved3[4]; +} at91_tcc_t; + +#define AT91_TC_CCR_CLKEN 0x00000001 +#define AT91_TC_CCR_CLKDIS 0x00000002 +#define AT91_TC_CCR_SWTRG 0x00000004 + +#define AT91_TC_CMR_CPCTRG 0x00004000 + +#define AT91_TC_CMR_TCCLKS_CLOCK1 0x00000000 +#define AT91_TC_CMR_TCCLKS_CLOCK2 0x00000001 +#define AT91_TC_CMR_TCCLKS_CLOCK3 0x00000002 +#define AT91_TC_CMR_TCCLKS_CLOCK4 0x00000003 +#define AT91_TC_CMR_TCCLKS_CLOCK5 0x00000004 +#define AT91_TC_CMR_TCCLKS_XC0 0x00000005 +#define AT91_TC_CMR_TCCLKS_XC1 0x00000006 +#define AT91_TC_CMR_TCCLKS_XC2 0x00000007 + +typedef struct at91_tc { + at91_tcc_t tc[3]; /* 0x00 TC Channel 0-2 */ + u32 bcr; /* 0xC0 TC Block Control Register */ + u32 bmr; /* 0xC4 TC Block Mode Register */ +} at91_tc_t; + +#define AT91_TC_BMR_TC0XC0S_TCLK0 0x00000000 +#define AT91_TC_BMR_TC0XC0S_NONE 0x00000001 +#define AT91_TC_BMR_TC0XC0S_TIOA1 0x00000002 +#define AT91_TC_BMR_TC0XC0S_TIOA2 0x00000003 + +#define AT91_TC_BMR_TC1XC1S_TCLK1 0x00000000 +#define AT91_TC_BMR_TC1XC1S_NONE 0x00000004 +#define AT91_TC_BMR_TC1XC1S_TIOA0 0x00000008 +#define AT91_TC_BMR_TC1XC1S_TIOA2 0x0000000C + +#define AT91_TC_BMR_TC2XC2S_TCLK2 0x00000000 +#define AT91_TC_BMR_TC2XC2S_NONE 0x00000010 +#define AT91_TC_BMR_TC2XC2S_TIOA0 0x00000020 +#define AT91_TC_BMR_TC2XC2S_TIOA1 0x00000030 + +#endif diff --git a/include/asm-arm/arch-at91/at91rm9200.h b/include/asm-arm/arch-at91/at91rm9200.h new file mode 100644 index 0000000..da6843b --- /dev/null +++ b/include/asm-arm/arch-at91/at91rm9200.h @@ -0,0 +1,135 @@ +/* + * 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 optionany 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 + */ + +#ifndef __AT91RM9200_H__ +#define __AT91RM9200_H__ + +/* Periperial Identifiers */ + +#define AT91_ID_SYS 1 /* System Peripheral */ +#define AT91_ID_PIOA 2 /* PIO port A */ +#define AT91_ID_PIOB 3 /* PIO port B */ +#define AT91_ID_PIOC 4 /* PIO port C */ +#define AT91_ID_PIOD 5 /* PIO port D BGA only */ +#define AT91_ID_USART0 6 /* USART 0 */ +#define AT91_ID_USART1 7 /* USART 1 */ +#define AT91_ID_USART2 8 /* USART 2 */ +#define AT91_ID_USART3 9 /* USART 3 */ +#define AT91_ID_MCI 10 /* Multimedia Card Interface */ +#define AT91_ID_UDP 11 /* USB Device Port */ +#define AT91_ID_TWI 12 /* Two Wire Interface */ +#define AT91_ID_SPI 13 /* Serial Peripheral Interface */ +#define AT91_ID_SSC0 14 /* Synch. Serial Controller 0 */ +#define AT91_ID_SSC1 15 /* Synch. Serial Controller 1 */ +#define AT91_ID_SSC2 16 /* Synch. Serial Controller 2 */ +#define AT91_ID_TC0 17 /* Timer Counter 0 */ +#define AT91_ID_TC1 18 /* Timer Counter 1 */ +#define AT91_ID_TC2 19 /* Timer Counter 2 */ +#define AT91_ID_TC3 20 /* Timer Counter 3 */ +#define AT91_ID_TC4 21 /* Timer Counter 4 */ +#define AT91_ID_TC5 22 /* Timer Counter 5 */ +#define AT91_ID_UHP 23 /* OHCI USB Host Port */ +#define AT91_ID_EMAC 24 /* Ethernet MAC */ +#define AT91_ID_IRQ0 25 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ1 26 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ2 27 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ3 28 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ4 29 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ5 30 /* Advanced Interrupt Controller */ +#define AT91_ID_IRQ6 31 /* Advanced Interrupt Controller */ + +#define AT91_USB_HOST_BASE 0x00300000 + +#define AT91_TC_BASE 0xFFFA0000 +#define AT91_UDP_BASE 0xFFFB0000 +#define AT91_MCI_BASE 0xFFFB4000 +#define AT91_TWI_BASE 0xFFFB8000 +#define AT91_EMAC_BASE 0xFFFBC000 +#define AT91_USART_BASE 0xFFFC0000 /* 4x 0x4000 Offset */ +#define AT91_SCC_BASE 0xFFFD0000 /* 4x 0x4000 Offset */ +#define AT91_SPI_BASE 0xFFFE0000 + +#define AT91_AIC_BASE 0xFFFFF000 +#define AT91_DBGU_BASE 0xFFFFF200 +#define AT91_PIO_BASE 0xFFFFF400 /* 4x 0x200 Offset */ +#define AT91_PMC_BASE 0xFFFFFC00 +#define AT91_ST_BASE 0xFFFFFD00 +#define AT91_ST_BASE 0xFFFFFD00 +#define AT91_RTC_BASE 0xFFFFFE00 +#define AT91_MC_BASE 0xFFFFFF00 + + +/* AT91RM9200 Periperial Multiplexing A */ +/* Port A */ +#define AT91_PMX_AA_EREFCK 0x00000080 +#define AT91_PMX_AA_ETXCK 0x00000080 +#define AT91_PMX_AA_ETXEN 0x00000100 +#define AT91_PMX_AA_ETX0 0x00000200 +#define AT91_PMX_AA_ETX1 0x00000400 +#define AT91_PMX_AA_ECRS 0x00000800 +#define AT91_PMX_AA_ECRSDV 0x00000800 +#define AT91_PMX_AA_ERX0 0x00001000 +#define AT91_PMX_AA_ERX1 0x00002000 +#define AT91_PMX_AA_ERXER 0x00004000 +#define AT91_PMX_AA_EMDC 0x00008000 +#define AT91_PMX_AA_EMDIO 0x00010000 + +#define AT91_PMX_AA_TXD2 0x00810000 + +#define AT91_PMX_AA_TWD 0x02000000 +#define AT91_PMX_AA_TWCK 0x04000000 + +/* Port B */ +#define AT91_PMX_BA_ERXCK 0x00080000 +#define AT91_PMX_BA_ECOL 0x00040000 +#define AT91_PMX_BA_ERXDV 0x00020000 +#define AT91_PMX_BA_ERX3 0x00010000 +#define AT91_PMX_BA_ERX2 0x00008000 +#define AT91_PMX_BA_ETXER 0x00004000 +#define AT91_PMX_BA_ETX3 0x00002000 +#define AT91_PMX_BA_ETX2 0x00001000 + +/* Port B */ + +#define AT91_PMX_CA_BFCK 0x00000001 +#define AT91_PMX_CA_BFRDY 0x00000002 +#define AT91_PMX_CA_SMOE 0x00000002 +#define AT91_PMX_CA_BFAVD 0x00000004 +#define AT91_PMX_CA_BFBAA 0x00000008 +#define AT91_PMX_CA_SMWE 0x00000008 +#define AT91_PMX_CA_BFOE 0x00000010 +#define AT91_PMX_CA_BFWE 0x00000020 +#define AT91_PMX_CA_NWAIT 0x00000040 +#define AT91_PMX_CA_A23 0x00000080 +#define AT91_PMX_CA_A24 0x00000100 +#define AT91_PMX_CA_A25 0x00000200 +#define AT91_PMX_CA_CFRNW 0x00000200 +#define AT91_PMX_CA_NCS4 0x00000400 +#define AT91_PMX_CA_CFCS 0x00000400 +#define AT91_PMX_CA_NCS5 0x00000800 +#define AT91_PMX_CA_CFCE1 0x00001000 +#define AT91_PMX_CA_NCS6 0x00001000 +#define AT91_PMX_CA_CFCE2 0x00002000 +#define AT91_PMX_CA_NCS7 0x00002000 +#define AT91_PMX_CA_D16_31 0xFFFF0000 + +#define AT91_CPU_NAME "AT91RM9200" + +#endif diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h index de06a10..4ddb315 100644 --- a/include/asm-arm/arch-at91/hardware.h +++ b/include/asm-arm/arch-at91/hardware.h @@ -17,7 +17,7 @@ #include <asm/sizes.h> #if defined(CONFIG_AT91RM9200) -#include <asm/arch/at91rm9200.h> +#include <asm/arch-at91/at91rm9200.h> #elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20) #include <asm/arch/at91sam9260.h> #define AT91_BASE_SPI AT91SAM9260_BASE_SPI0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot