diff options
Diffstat (limited to 'arch')
36 files changed, 920 insertions, 93 deletions
diff --git a/arch/arm/cpu/arm926ejs/armada100/Makefile b/arch/arm/cpu/arm926ejs/armada100/Makefile new file mode 100644 index 0000000..76bd06d --- /dev/null +++ b/arch/arm/cpu/arm926ejs/armada100/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2010 +# Marvell Semiconductor <www.marvell.com> +# Written-by: Prafulla Wadaskar <prafulla@marvell.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., 51 Franklin Street, Fifth Floor, Boston, +# MA 02110-1301 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS-y = cpu.o timer.o dram.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/arm926ejs/armada100/cpu.c b/arch/arm/cpu/arm926ejs/armada100/cpu.c new file mode 100644 index 0000000..62aa175 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/armada100/cpu.c @@ -0,0 +1,92 @@ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <asm/arch/armada100.h> +#include <asm/io.h> + +#define UARTCLK14745KHZ (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1)) +#define SET_MRVL_ID (1<<8) +#define L2C_RAM_SEL (1<<4) + +int arch_cpu_init(void) +{ + u32 val; + struct armd1cpu_registers *cpuregs = + (struct armd1cpu_registers *) ARMD1_CPU_BASE; + + struct armd1apb1_registers *apb1clkres = + (struct armd1apb1_registers *) ARMD1_APBC1_BASE; + + struct armd1mpmu_registers *mpmu = + (struct armd1mpmu_registers *) ARMD1_MPMU_BASE; + + /* set SEL_MRVL_ID bit in ARMADA100_CPU_CONF register */ + val = readl(&cpuregs->cpu_conf); + val = val | SET_MRVL_ID; + writel(val, &cpuregs->cpu_conf); + + /* Enable Clocks for all hardware units */ + writel(0xFFFFFFFF, &mpmu->acgr); + + /* Turn on AIB and AIB-APB Functional clock */ + writel(APBC_APBCLK | APBC_FNCLK, &apb1clkres->aib); + + /* ensure L2 cache is not mapped as SRAM */ + val = readl(&cpuregs->cpu_conf); + val = val & ~(L2C_RAM_SEL); + writel(val, &cpuregs->cpu_conf); + + /* Enable GPIO clock */ + writel(APBC_APBCLK, &apb1clkres->gpio); + + /* + * Enable Functional and APB clock at 14.7456MHz + * for configured UART console + */ +#if (CONFIG_SYS_NS16550_COM1 == ARMD1_UART3_BASE) + writel(UARTCLK14745KHZ, &apb1clkres->uart3); +#elif (CONFIG_SYS_NS16550_COM1 == ARMD1_UART2_BASE) + writel(UARTCLK14745KHZ, &apb1clkres->uart2); +#else + writel(UARTCLK14745KHZ, &apb1clkres->uart1); +#endif + icache_enable(); + + return 0; +} + +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + u32 id; + struct armd1cpu_registers *cpuregs = + (struct armd1cpu_registers *) ARMD1_CPU_BASE; + + id = readl(&cpuregs->chip_id); + printf("SoC: Armada 88AP%X-%X\n", (id & 0xFFF), (id >> 0x10)); + return 0; +} +#endif diff --git a/arch/arm/cpu/arm926ejs/armada100/dram.c b/arch/arm/cpu/arm926ejs/armada100/dram.c new file mode 100644 index 0000000..eacec23 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/armada100/dram.c @@ -0,0 +1,131 @@ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com>, + * Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <asm/arch/armada100.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * ARMADA100 DRAM controller supports upto 8 banks + * for chip select 0 and 1 + */ + +/* + * DDR Memory Control Registers + * Refer Datasheet Appendix A.17 + */ +struct armd1ddr_map_registers { + u32 cs; /* Memory Address Map Register -CS */ + u32 pad[3]; +}; + +struct armd1ddr_registers { + u8 pad[0x100 - 0x000]; + struct armd1ddr_map_registers mmap[2]; +}; + +/* + * armd1_sdram_base - reads SDRAM Base Address Register + */ +u32 armd1_sdram_base(int chip_sel) +{ + struct armd1ddr_registers *ddr_regs = + (struct armd1ddr_registers *)ARMD1_DRAM_BASE; + u32 result = 0; + u32 CS_valid = 0x01 & readl(&ddr_regs->mmap[chip_sel].cs); + + if (!CS_valid) + return 0; + + result = readl(&ddr_regs->mmap[chip_sel].cs) & 0xFF800000; + return result; +} + +/* + * armd1_sdram_size - reads SDRAM size + */ +u32 armd1_sdram_size(int chip_sel) +{ + struct armd1ddr_registers *ddr_regs = + (struct armd1ddr_registers *)ARMD1_DRAM_BASE; + u32 result = 0; + u32 CS_valid = 0x01 & readl(&ddr_regs->mmap[chip_sel].cs); + + if (!CS_valid) + return 0; + + result = readl(&ddr_regs->mmap[chip_sel].cs); + result = (result >> 16) & 0xF; + if (result < 0x7) { + printf("Unknown DRAM Size\n"); + return -1; + } else { + return ((0x8 << (result - 0x7)) * 1024 * 1024); + } +} + +#ifndef CONFIG_SYS_BOARD_DRAM_INIT +int dram_init(void) +{ + int i; + + gd->ram_size = 0; + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + gd->bd->bi_dram[i].start = armd1_sdram_base(i); + gd->bd->bi_dram[i].size = armd1_sdram_size(i); + /* + * It is assumed that all memory banks are consecutive + * and without gaps. + * If the gap is found, ram_size will be reported for + * consecutive memory only + */ + if (gd->bd->bi_dram[i].start != gd->ram_size) + break; + + gd->ram_size += gd->bd->bi_dram[i].size; + + } + + for (; i < CONFIG_NR_DRAM_BANKS; i++) { + /* If above loop terminated prematurely, we need to set + * remaining banks' start address & size as 0. Otherwise other + * u-boot functions and Linux kernel gets wrong values which + * could result in crash */ + gd->bd->bi_dram[i].start = 0; + gd->bd->bi_dram[i].size = 0; + } + return 0; +} + +/* + * If this function is not defined here, + * board.c alters dram bank zero configuration defined above. + */ +void dram_init_banksize(void) +{ + dram_init(); +} +#endif /* CONFIG_SYS_BOARD_DRAM_INIT */ diff --git a/arch/arm/cpu/arm926ejs/armada100/timer.c b/arch/arm/cpu/arm926ejs/armada100/timer.c new file mode 100644 index 0000000..5d911c5 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/armada100/timer.c @@ -0,0 +1,207 @@ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <asm/arch/armada100.h> + +/* + * Timer registers + * Refer Section A.6 in Datasheet + */ +struct armd1tmr_registers { + u32 clk_ctrl; /* Timer clk control reg */ + u32 match[9]; /* Timer match registers */ + u32 count[3]; /* Timer count registers */ + u32 status[3]; + u32 ie[3]; + u32 preload[3]; /* Timer preload value */ + u32 preload_ctrl[3]; + u32 wdt_match_en; + u32 wdt_match_r; + u32 wdt_val; + u32 wdt_sts; + u32 icr[3]; + u32 wdt_icr; + u32 cer; /* Timer count enable reg */ + u32 cmr; + u32 ilr[3]; + u32 wcr; + u32 wfar; + u32 wsar; + u32 cvwr; +}; + +#define TIMER 0 /* Use TIMER 0 */ +/* Each timer has 3 match registers */ +#define MATCH_CMP(x) ((3 * TIMER) + x) +#define TIMER_LOAD_VAL 0xffffffff +#define COUNT_RD_REQ 0x1 + +DECLARE_GLOBAL_DATA_PTR; +/* Using gd->tbu from timestamp and gd->tbl for lastdec */ + +/* For preventing risk of instability in reading counter value, + * first set read request to register cvwr and then read same + * register after it captures counter value. + */ +ulong read_timer(void) +{ + struct armd1tmr_registers *armd1timers = + (struct armd1tmr_registers *) ARMD1_TIMER_BASE; + volatile int loop=100; + + writel(COUNT_RD_REQ, &armd1timers->cvwr); + while (loop--); + return(readl(&armd1timers->cvwr)); +} + +void reset_timer_masked(void) +{ + /* reset time */ + gd->tbl = read_timer(); + gd->tbu = 0; +} + +ulong get_timer_masked(void) +{ + ulong now = read_timer(); + + if (now >= gd->tbl) { + /* normal mode */ + gd->tbu += now - gd->tbl; + } else { + /* we have an overflow ... */ + gd->tbu += now + TIMER_LOAD_VAL - gd->tbl; + } + gd->tbl = now; + + return gd->tbu; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer(ulong base) +{ + return ((get_timer_masked() / (CONFIG_SYS_HZ_CLOCK / 1000)) - + base); +} + +void set_timer(ulong t) +{ + gd->tbu = t; +} + +void __udelay(unsigned long usec) +{ + ulong delayticks; + ulong endtime; + + delayticks = (usec * (CONFIG_SYS_HZ_CLOCK / 1000000)); + endtime = get_timer_masked() + delayticks; + + while (get_timer_masked() < endtime); +} + +/* + * init the Timer + */ +int timer_init(void) +{ + struct armd1apb1_registers *apb1clkres = + (struct armd1apb1_registers *) ARMD1_APBC1_BASE; + struct armd1tmr_registers *armd1timers = + (struct armd1tmr_registers *) ARMD1_TIMER_BASE; + + /* Enable Timer clock at 3.25 MHZ */ + writel(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3), &apb1clkres->timers); + + /* load value into timer */ + writel(0x0, &armd1timers->clk_ctrl); + /* Use Timer 0 Match Resiger 0 */ + writel(TIMER_LOAD_VAL, &armd1timers->match[MATCH_CMP(0)]); + /* Preload value is 0 */ + writel(0x0, &armd1timers->preload[TIMER]); + /* Enable match comparator 0 for Timer 0 */ + writel(0x1, &armd1timers->preload_ctrl[TIMER]); + + /* Enable timer 0 */ + writel(0x1, &armd1timers->cer); + /* init the gd->tbu and gd->tbl value */ + reset_timer_masked(); + + return 0; +} + +#define MPMU_APRR_WDTR (1<<4) +#define TMR_WFAR 0xbaba /* WDT Register First key */ +#define TMP_WSAR 0xeb10 /* WDT Register Second key */ + +/* + * This function uses internal Watchdog Timer + * based reset mechanism. + * Steps to write watchdog registers (protected access) + * 1. Write key value to TMR_WFAR reg. + * 2. Write key value to TMP_WSAR reg. + * 3. Perform write operation. + */ +void reset_cpu (unsigned long ignored) +{ + struct armd1mpmu_registers *mpmu = + (struct armd1mpmu_registers *) ARMD1_MPMU_BASE; + struct armd1tmr_registers *armd1timers = + (struct armd1tmr_registers *) ARMD1_TIMER_BASE; + u32 val; + + /* negate hardware reset to the WDT after system reset */ + val = readl(&mpmu->aprr); + val = val | MPMU_APRR_WDTR; + writel(val, &mpmu->aprr); + + /* reset/enable WDT clock */ + writel(APBC_APBCLK | APBC_FNCLK | APBC_RST, &mpmu->wdtpcr); + readl(&mpmu->wdtpcr); + writel(APBC_APBCLK | APBC_FNCLK, &mpmu->wdtpcr); + readl(&mpmu->wdtpcr); + + /* clear previous WDT status */ + writel(TMR_WFAR, &armd1timers->wfar); + writel(TMP_WSAR, &armd1timers->wsar); + writel(0, &armd1timers->wdt_sts); + + /* set match counter */ + writel(TMR_WFAR, &armd1timers->wfar); + writel(TMP_WSAR, &armd1timers->wsar); + writel(0xf, &armd1timers->wdt_match_r); + + /* enable WDT reset */ + writel(TMR_WFAR, &armd1timers->wfar); + writel(TMP_WSAR, &armd1timers->wsar); + writel(0x3, &armd1timers->wdt_match_en); + + while(1); +} diff --git a/arch/arm/include/asm/arch-armada100/armada100.h b/arch/arm/include/asm/arch-armada100/armada100.h new file mode 100644 index 0000000..d5d125a --- /dev/null +++ b/arch/arm/include/asm/arch-armada100/armada100.h @@ -0,0 +1,121 @@ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _ASM_ARCH_ARMADA100_H +#define _ASM_ARCH_ARMADA100_H + +#ifndef __ASSEMBLY__ +#include <asm/types.h> +#include <asm/io.h> +#endif /* __ASSEMBLY__ */ + +#if defined (CONFIG_ARMADA100) +#include <asm/arch/cpu.h> + +/* Common APB clock register bit definitions */ +#define APBC_APBCLK (1<<0) /* APB Bus Clock Enable */ +#define APBC_FNCLK (1<<1) /* Functional Clock Enable */ +#define APBC_RST (1<<2) /* Reset Generation */ +/* Functional Clock Selection Mask */ +#define APBC_FNCLKSEL(x) (((x) & 0xf) << 4) + +/* Register Base Addresses */ +#define ARMD1_DRAM_BASE 0xB0000000 +#define ARMD1_TIMER_BASE 0xD4014000 +#define ARMD1_APBC1_BASE 0xD4015000 +#define ARMD1_APBC2_BASE 0xD4015800 +#define ARMD1_UART1_BASE 0xD4017000 +#define ARMD1_UART2_BASE 0xD4018000 +#define ARMD1_GPIO_BASE 0xD4019000 +#define ARMD1_SSP1_BASE 0xD401B000 +#define ARMD1_SSP2_BASE 0xD401C000 +#define ARMD1_MFPR_BASE 0xD401E000 +#define ARMD1_SSP3_BASE 0xD401F000 +#define ARMD1_SSP4_BASE 0xD4020000 +#define ARMD1_SSP5_BASE 0xD4021000 +#define ARMD1_UART3_BASE 0xD4026000 +#define ARMD1_MPMU_BASE 0xD4050000 +#define ARMD1_APMU_BASE 0xD4282800 +#define ARMD1_CPU_BASE 0xD4282C00 + +/* + * Main Power Management (MPMU) Registers + * Refer Datasheet Appendix A.8 + */ +struct armd1mpmu_registers { + u8 pad0[0x08 - 0x00]; + u32 fccr; /*0x0008*/ + u32 pocr; /*0x000c*/ + u32 posr; /*0x0010*/ + u32 succr; /*0x0014*/ + u8 pad1[0x030 - 0x014 - 4]; + u32 gpcr; /*0x0030*/ + u8 pad2[0x200 - 0x030 - 4]; + u32 wdtpcr; /*0x0200*/ + u8 pad3[0x1000 - 0x200 - 4]; + u32 apcr; /*0x1000*/ + u32 apsr; /*0x1004*/ + u8 pad4[0x1020 - 0x1004 - 4]; + u32 aprr; /*0x1020*/ + u32 acgr; /*0x1024*/ + u32 arsr; /*0x1028*/ +}; + +/* + * APB1 Clock Reset/Control Registers + * Refer Datasheet Appendix A.10 + */ +struct armd1apb1_registers { + u32 uart1; /*0x000*/ + u32 uart2; /*0x004*/ + u32 gpio; /*0x008*/ + u32 pwm1; /*0x00c*/ + u32 pwm2; /*0x010*/ + u32 pwm3; /*0x014*/ + u32 pwm4; /*0x018*/ + u8 pad0[0x028 - 0x018 - 4]; + u32 rtc; /*0x028*/ + u32 twsi0; /*0x02c*/ + u32 kpc; /*0x030*/ + u32 timers; /*0x034*/ + u8 pad1[0x03c - 0x034 - 4]; + u32 aib; /*0x03c*/ + u32 sw_jtag; /*0x040*/ + u32 timer1; /*0x044*/ + u32 onewire; /*0x048*/ + u8 pad2[0x050 - 0x048 - 4]; + u32 asfar; /*0x050 AIB Secure First Access Reg*/ + u32 assar; /*0x054 AIB Secure Second Access Reg*/ + u8 pad3[0x06c - 0x054 - 4]; + u32 twsi1; /*0x06c*/ + u32 uart3; /*0x070*/ + u8 pad4[0x07c - 0x070 - 4]; + u32 timer2; /*0x07C*/ + u8 pad5[0x084 - 0x07c - 4]; + u32 ac97; /*0x084*/ +}; + +#endif /* CONFIG_ARMADA100 */ +#endif /* _ASM_ARCH_ARMADA100_H */ diff --git a/arch/arm/include/asm/arch-armada100/cpu.h b/arch/arm/include/asm/arch-armada100/cpu.h new file mode 100644 index 0000000..0518a6a --- /dev/null +++ b/arch/arm/include/asm/arch-armada100/cpu.h @@ -0,0 +1,53 @@ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com>, Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _ARMADA100CPU_H +#define _ARMADA100CPU_H + +#include <asm/io.h> +#include <asm/system.h> + +/* + * CPU Interface Registers + * Refer Datasheet Appendix A.2 + */ +struct armd1cpu_registers { + u32 chip_id; /* Chip Id Reg */ + u32 pad; + u32 cpu_conf; /* CPU Conf Reg */ + u32 pad1; + u32 cpu_sram_spd; /* CPU SRAM Speed Reg */ + u32 pad2; + u32 cpu_l2c_spd; /* CPU L2cache Speed Conf */ + u32 mcb_conf; /* MCB Conf Reg */ + u32 sys_boot_ctl; /* Sytem Boot Control */ +}; + +/* + * Functions + */ +u32 armd1_sdram_base(int); +u32 armd1_sdram_size(int); + +#endif /* _ARMADA100CPU_H */ diff --git a/arch/arm/include/asm/arch-armada100/mfp.h b/arch/arm/include/asm/arch-armada100/mfp.h new file mode 100644 index 0000000..d21a79f --- /dev/null +++ b/arch/arm/include/asm/arch-armada100/mfp.h @@ -0,0 +1,67 @@ +/* + * Based on linux/arch/arm/mach-mpp/include/mfp-pxa168.h + * (C) Copyright 2007 + * Marvell Semiconductor <www.marvell.com> + * 2007-08-21: eric miao <eric.miao@marvell.com> + * + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * Contributor: Mahavir Jain <mjain@marvell.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef __ARMADA100_MFP_H +#define __ARMADA100_MFP_H + +/* + * Frequently used MFP Configuration macros for all ARMADA100 family of SoCs + * + * offset, pull,pF, drv,dF, edge,eF ,afn,aF + */ +/* UART1 */ +#define MFP107_UART1_TXD MFP_REG(0x01ac) | MFP_AF1 | MFP_DRIVE_FAST +#define MFP107_UART1_RXD MFP_REG(0x01ac) | MFP_AF2 | MFP_DRIVE_FAST +#define MFP108_UART1_RXD MFP_REG(0x01b0) | MFP_AF1 | MFP_DRIVE_FAST +#define MFP108_UART1_TXD MFP_REG(0x01b0) | MFP_AF2 | MFP_DRIVE_FAST +#define MFP109_UART1_CTS MFP_REG(0x01b4) | MFP_AF1 | MFP_DRIVE_MEDIUM +#define MFP109_UART1_RTS MFP_REG(0x01b4) | MFP_AF2 | MFP_DRIVE_MEDIUM +#define MFP110_UART1_RTS MFP_REG(0x01b8) | MFP_AF1 | MFP_DRIVE_MEDIUM +#define MFP110_UART1_CTS MFP_REG(0x01b8) | MFP_AF2 | MFP_DRIVE_MEDIUM +#define MFP111_UART1_RI MFP_REG(0x01bc) | MFP_AF1 | MFP_DRIVE_MEDIUM +#define MFP111_UART1_DSR MFP_REG(0x01bc) | MFP_AF2 | MFP_DRIVE_MEDIUM +#define MFP112_UART1_DTR MFP_REG(0x01c0) | MFP_AF1 | MFP_DRIVE_MEDIUM +#define MFP112_UART1_DCD MFP_REG(0x01c0) | MFP_AF2 | MFP_DRIVE_MEDIUM + +/* UART2 */ +#define MFP47_UART2_RXD MFP_REG(0x0028) | MFP_AF6 | MFP_DRIVE_MEDIUM +#define MFP48_UART2_TXD MFP_REG(0x002c) | MFP_AF6 | MFP_DRIVE_MEDIUM +#define MFP88_UART2_RXD MFP_REG(0x0160) | MFP_AF2 | MFP_DRIVE_MEDIUM +#define MFP89_UART2_TXD MFP_REG(0x0164) | MFP_AF2 | MFP_DRIVE_MEDIUM + +/* UART3 */ +#define MFPO8_UART3_RXD MFP_REG(0x06c) | MFP_AF2 | MFP_DRIVE_MEDIUM +#define MFPO9_UART3_TXD MFP_REG(0x070) | MFP_AF2 | MFP_DRIVE_MEDIUM + +/* More macros can be defined here... */ + +#define MFP_PIN_MAX 117 + +#endif /* __ARMADA100_MFP_H */ diff --git a/arch/arm/include/asm/arch-davinci/davinci_misc.h b/arch/arm/include/asm/arch-davinci/davinci_misc.h new file mode 100644 index 0000000..347aa89 --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/davinci_misc.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2008 Lyrtech <www.lyrtech.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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __MISC_H +#define __MISC_H + +/* pin muxer definitions */ +#define PIN_MUX_NUM_FIELDS 8 /* Per register */ +#define PIN_MUX_FIELD_SIZE 4 /* n in bits */ +#define PIN_MUX_FIELD_MASK ((1 << PIN_MUX_FIELD_SIZE) - 1) + +/* pin definition */ +struct pinmux_config { + dv_reg *mux; /* Address of mux register */ + unsigned char value; /* Value to set in field */ + unsigned char field; /* field number */ +}; + +/* pin table definition */ +struct pinmux_resource { + const struct pinmux_config *pins; + const int n_pins; +}; + +#define PINMUX_ITEM(item) { \ + .pins = item, \ + .n_pins = ARRAY_SIZE(item) \ + } + +#define HAWKBOARD_KICK0_UNLOCK 0x83e70b13 +#define HAWKBOARD_KICK1_UNLOCK 0x95a4f1e0 + +struct lpsc_resource { + const int lpsc_no; +}; + +int dvevm_read_mac_address(uint8_t *buf); +void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr); +int davinci_configure_pin_mux(const struct pinmux_config *pins, int n_pins); +int davinci_configure_pin_mux_items(const struct pinmux_resource *item, + int n_items); +#if defined(CONFIG_DRIVER_TI_EMAC) && defined(CONFIG_MACH_DAVINCI_DA850_EVM) +void davinci_emac_mii_mode_sel(int mode_sel); +#endif +#if defined(CONFIG_SOC_DA8XX) +void irq_init(void); +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + const int n_items); +#endif + +#endif /* __MISC_H */ diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 3520cf8..b95fa97 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -133,7 +133,8 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_PSC1_BASE 0x01e27000 #define DAVINCI_SPI0_BASE 0x01c41000 #define DAVINCI_USB_OTG_BASE 0x01e00000 -#define DAVINCI_SPI1_BASE 0x01e12000 +#define DAVINCI_SPI1_BASE (cpu_is_da830() ? \ + 0x01e12000 : 0x01f0e000) #define DAVINCI_GPIO_BASE 0x01e26000 #define DAVINCI_EMAC_CNTRL_REGS_BASE 0x01e23000 #define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE 0x01e22000 @@ -149,7 +150,12 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_DDR_EMIF_DATA_BASE 0xc0000000 #define DAVINCI_INTC_BASE 0xfffee000 #define DAVINCI_BOOTCFG_BASE 0x01c14000 +#define JTAG_ID_REG (DAVINCI_BOOTCFG_BASE + 0x18) +#define GPIO_BANK2_REG_DIR_ADDR (DAVINCI_GPIO_BASE + 0x38) +#define GPIO_BANK2_REG_OPDATA_ADDR (DAVINCI_GPIO_BASE + 0x3c) +#define GPIO_BANK2_REG_SET_ADDR (DAVINCI_GPIO_BASE + 0x40) +#define GPIO_BANK2_REG_CLR_ADDR (DAVINCI_GPIO_BASE + 0x44) #endif /* CONFIG_SOC_DA8XX */ /* Power and Sleep Controller (PSC) Domains */ @@ -363,6 +369,9 @@ struct davinci_pllc_regs { #define davinci_pllc_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE) #define DAVINCI_PLLC_DIV_MASK 0x1f +#define ASYNC3 get_async3_src() +#define PLL1_SYSCLK2 ((1 << 16) | 0x2) +#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? 2 : ASYNC3) /* Clock IDs */ enum davinci_clk_ids { DAVINCI_SPI0_CLKID = 2, @@ -379,7 +388,10 @@ int clk_get(enum davinci_clk_ids id); /* Boot config */ struct davinci_syscfg_regs { dv_reg revid; - dv_reg rsvd[71]; + dv_reg rsvd[13]; + dv_reg kick0; + dv_reg kick1; + dv_reg rsvd1[56]; dv_reg pinmux[20]; dv_reg suspsrc; dv_reg chipsig; @@ -442,6 +454,27 @@ struct davinci_uart_ctrl_regs { #define DAVINCI_UART_PWREMU_MGMT_URRST (1 << 13) #define DAVINCI_UART_PWREMU_MGMT_UTRST (1 << 14) +static inline int cpu_is_da830(void) +{ + unsigned int jtag_id = REG(JTAG_ID_REG); + unsigned short part_no = (jtag_id >> 12) & 0xffff; + + return ((part_no == 0xb7df) ? 1 : 0); +} +static inline int cpu_is_da850(void) +{ + unsigned int jtag_id = REG(JTAG_ID_REG); + unsigned short part_no = (jtag_id >> 12) & 0xffff; + + return ((part_no == 0xb7d1) ? 1 : 0); +} + +static inline int get_async3_src(void) +{ + return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ? + PLL1_SYSCLK2 : 2; +} + #endif /* CONFIG_SOC_DA8XX */ #endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/m68k/cpu/mcf5227x/cpu.c b/arch/m68k/cpu/mcf5227x/cpu.c index 5129a03..09ef1d2 100644 --- a/arch/m68k/cpu/mcf5227x/cpu.c +++ b/arch/m68k/cpu/mcf5227x/cpu.c @@ -33,7 +33,7 @@ DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); udelay(1000); diff --git a/arch/m68k/cpu/mcf523x/cpu.c b/arch/m68k/cpu/mcf523x/cpu.c index 582aec9..2376f97 100644 --- a/arch/m68k/cpu/mcf523x/cpu.c +++ b/arch/m68k/cpu/mcf523x/cpu.c @@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; diff --git a/arch/m68k/cpu/mcf52x2/cpu.c b/arch/m68k/cpu/mcf52x2/cpu.c index fb60462..571d078 100644 --- a/arch/m68k/cpu/mcf52x2/cpu.c +++ b/arch/m68k/cpu/mcf52x2/cpu.c @@ -38,7 +38,7 @@ DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_M5208 -int do_reset(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM); @@ -141,7 +141,7 @@ int checkcpu(void) return 0; } -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { /* Call the board specific reset actions first. */ if(board_reset) { @@ -176,7 +176,7 @@ int watchdog_init(void) #endif #ifdef CONFIG_M5272 -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); @@ -256,7 +256,7 @@ int watchdog_init(void) #endif /* #ifdef CONFIG_M5272 */ #ifdef CONFIG_M5275 -int do_reset(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM); @@ -336,7 +336,7 @@ int checkcpu(void) return 0; } -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { MCFRESET_RCR = MCFRESET_RCR_SOFTRST; return 0; @@ -353,7 +353,7 @@ int checkcpu(void) return 0; } -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { /* enable watchdog, set timeout to 0 and wait */ mbar_writeByte(MCFSIM_SYPCR, 0xc0); @@ -383,7 +383,7 @@ int checkcpu(void) return 0; } -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { /* enable watchdog, set timeout to 0 and wait */ mbar_writeByte(SIM_SYPCR, 0xc0); diff --git a/arch/m68k/cpu/mcf532x/cpu.c b/arch/m68k/cpu/mcf532x/cpu.c index 0af4969..3346784 100644 --- a/arch/m68k/cpu/mcf532x/cpu.c +++ b/arch/m68k/cpu/mcf532x/cpu.c @@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); diff --git a/arch/m68k/cpu/mcf5445x/cpu.c b/arch/m68k/cpu/mcf5445x/cpu.c index 182521c..323a54e 100644 --- a/arch/m68k/cpu/mcf5445x/cpu.c +++ b/arch/m68k/cpu/mcf5445x/cpu.c @@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); udelay(1000); diff --git a/arch/m68k/cpu/mcf547x_8x/cpu.c b/arch/m68k/cpu/mcf547x_8x/cpu.c index f9a4b64..7590f2c 100644 --- a/arch/m68k/cpu/mcf547x_8x/cpu.c +++ b/arch/m68k/cpu/mcf547x_8x/cpu.c @@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); diff --git a/arch/nios2/cpu/config.mk b/arch/nios2/cpu/config.mk deleted file mode 100644 index f228d72..0000000 --- a/arch/nios2/cpu/config.mk +++ /dev/null @@ -1,24 +0,0 @@ -# -# (C) Copyright 2000 -# 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 -# - -PLATFORM_RELFLAGS += diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c index d9c6544..ef360ee 100644 --- a/arch/nios2/cpu/cpu.c +++ b/arch/nios2/cpu/cpu.c @@ -40,7 +40,7 @@ int checkcpu (void) return (0); } -int do_reset(void) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { disable_interrupts(); /* indirect call to go beyond 256MB limitation of toolchain */ diff --git a/arch/powerpc/cpu/74xx_7xx/cpu.c b/arch/powerpc/cpu/74xx_7xx/cpu.c index ab6f11d..b6a31b4 100644 --- a/arch/powerpc/cpu/74xx_7xx/cpu.c +++ b/arch/powerpc/cpu/74xx_7xx/cpu.c @@ -234,8 +234,7 @@ soft_restart(unsigned long addr) !defined(CONFIG_ELPPC) && \ !defined(CONFIG_PPMC7XX) /* no generic way to do board reset. simply call soft_reset. */ -void -do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { ulong addr; /* flush and disable I/D cache */ @@ -263,7 +262,12 @@ do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) addr = CONFIG_SYS_MONITOR_BASE - sizeof (ulong); #endif soft_restart(addr); - while(1); /* not reached */ + + /* not reached */ + while(1) + ; + + return 1; } #endif diff --git a/arch/powerpc/cpu/74xx_7xx/u-boot.lds b/arch/powerpc/cpu/74xx_7xx/u-boot.lds index 771a845..8429f33 100644 --- a/arch/powerpc/cpu/74xx_7xx/u-boot.lds +++ b/arch/powerpc/cpu/74xx_7xx/u-boot.lds @@ -43,13 +43,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_)>>2; .data : diff --git a/arch/powerpc/cpu/mpc512x/u-boot.lds b/arch/powerpc/cpu/mpc512x/u-boot.lds index 361e714..ab9303f 100644 --- a/arch/powerpc/cpu/mpc512x/u-boot.lds +++ b/arch/powerpc/cpu/mpc512x/u-boot.lds @@ -37,14 +37,15 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) *(.fixup) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc5xx/u-boot.lds b/arch/powerpc/cpu/mpc5xx/u-boot.lds index b7fd4bc..69bd7aa 100644 --- a/arch/powerpc/cpu/mpc5xx/u-boot.lds +++ b/arch/powerpc/cpu/mpc5xx/u-boot.lds @@ -46,13 +46,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_)>>2; .data : diff --git a/arch/powerpc/cpu/mpc5xxx/u-boot.lds b/arch/powerpc/cpu/mpc5xxx/u-boot.lds index eeeff6c..7e3b70a 100644 --- a/arch/powerpc/cpu/mpc5xxx/u-boot.lds +++ b/arch/powerpc/cpu/mpc5xxx/u-boot.lds @@ -41,13 +41,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc8220/u-boot.lds b/arch/powerpc/cpu/mpc8220/u-boot.lds index 63cbbd7..72ff671 100644 --- a/arch/powerpc/cpu/mpc8220/u-boot.lds +++ b/arch/powerpc/cpu/mpc8220/u-boot.lds @@ -40,13 +40,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc824x/u-boot.lds b/arch/powerpc/cpu/mpc824x/u-boot.lds index e7f2837..3b9299c 100644 --- a/arch/powerpc/cpu/mpc824x/u-boot.lds +++ b/arch/powerpc/cpu/mpc824x/u-boot.lds @@ -41,13 +41,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc8260/u-boot.lds b/arch/powerpc/cpu/mpc8260/u-boot.lds index ad2ce37..c76555e 100644 --- a/arch/powerpc/cpu/mpc8260/u-boot.lds +++ b/arch/powerpc/cpu/mpc8260/u-boot.lds @@ -40,13 +40,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc83xx/u-boot.lds b/arch/powerpc/cpu/mpc83xx/u-boot.lds index 81a7ace..752a175 100644 --- a/arch/powerpc/cpu/mpc83xx/u-boot.lds +++ b/arch/powerpc/cpu/mpc83xx/u-boot.lds @@ -39,13 +39,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index fc5d951..55ee36d 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -199,7 +199,7 @@ int checkcpu (void) /* ------------------------------------------------------------------------- */ -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[]) +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { /* Everything after the first generation of PQ3 parts has RSTCR */ #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ diff --git a/arch/powerpc/cpu/mpc85xx/u-boot.lds b/arch/powerpc/cpu/mpc85xx/u-boot.lds index 85042c5..67d7763 100644 --- a/arch/powerpc/cpu/mpc85xx/u-boot.lds +++ b/arch/powerpc/cpu/mpc85xx/u-boot.lds @@ -54,13 +54,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/mpc86xx/cpu.c b/arch/powerpc/cpu/mpc86xx/cpu.c index 4e90fd2..ffcc8e6 100644 --- a/arch/powerpc/cpu/mpc86xx/cpu.c +++ b/arch/powerpc/cpu/mpc86xx/cpu.c @@ -123,8 +123,7 @@ checkcpu(void) } -void -do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile ccsr_gur_t *gur = &immap->im_gur; @@ -137,6 +136,8 @@ do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) while (1) ; + + return 1; } diff --git a/arch/powerpc/cpu/mpc86xx/u-boot.lds b/arch/powerpc/cpu/mpc86xx/u-boot.lds index 49a4c78..c550ef5 100644 --- a/arch/powerpc/cpu/mpc86xx/u-boot.lds +++ b/arch/powerpc/cpu/mpc86xx/u-boot.lds @@ -45,13 +45,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c index 9634deb..95df1d9 100644 --- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c +++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c @@ -416,7 +416,6 @@ static void test(void); static void DQS_calibration_process(void); #endif #endif -int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); static unsigned char spd_read(uchar chip, uint addr) { diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S index 0e75794..2218508 100644 --- a/arch/powerpc/cpu/ppc4xx/start.S +++ b/arch/powerpc/cpu/ppc4xx/start.S @@ -48,21 +48,23 @@ *------------------------------------------------------------------------------- */ -/* U-Boot - Startup Code for AMCC 4xx PowerPC based Embedded Boards - * +/* + * Startup code for IBM/AMCC PowerPC 4xx (PPC4xx) based boards * - * The processor starts at 0xfffffffc and the code is executed - * from flash/rom. - * in memory, but as long we don't jump around before relocating. - * board_init lies at a quite high address and when the cpu has - * jumped there, everything is ok. - * This works because the cpu gives the FLASH (CS0) the whole - * address space at startup, and board_init lies as a echo of - * the flash somewhere up there in the memorymap. + * The following description only applies to the NOR flash style booting. + * NAND booting is different. For more details about NAND booting on 4xx + * take a look at doc/README.nand-boot-ppc440. * - * board_init will change CS0 to be positioned at the correct - * address and (s)dram will be positioned at address 0 + * The CPU starts at address 0xfffffffc (last word in the address space). + * The U-Boot image therefore has to be located in the "upper" area of the + * flash (e.g. 512MiB - 0xfff80000 ... 0xffffffff). The default value for + * the boot chip-select (CS0) is quite big and covers this area. On the + * 405EX this is for example 0xffe00000 ... 0xffffffff. U-Boot will + * reconfigure this CS0 (and other chip-selects as well when configured + * this way) in the boot process to the "correct" values matching the + * board layout. */ + #include <asm-offsets.h> #include <config.h> #include <asm/ppc4xx.h> @@ -265,7 +267,7 @@ /* NOTREACHED - board_init_f() does not return */ #endif -#if defined(CONFIG_SYS_RAMBOOT) +#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_BOOT_FROM_XMD) /* * 4xx RAM-booting U-Boot image is started from offset 0 */ diff --git a/arch/powerpc/cpu/ppc4xx/u-boot.lds b/arch/powerpc/cpu/ppc4xx/u-boot.lds index dac0e5b..656f59a 100644 --- a/arch/powerpc/cpu/ppc4xx/u-boot.lds +++ b/arch/powerpc/cpu/ppc4xx/u-boot.lds @@ -23,8 +23,12 @@ #include "config.h" /* CONFIG_BOARDDIR */ #ifndef RESET_VECTOR_ADDRESS +#ifdef CONFIG_RESET_VECTOR_ADDRESS +#define RESET_VECTOR_ADDRESS CONFIG_RESET_VECTOR_ADDRESS +#else #define RESET_VECTOR_ADDRESS 0xfffffffc #endif +#endif OUTPUT_ARCH(powerpc) @@ -55,13 +59,14 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - KEEP(*(.got)) _GOT2_TABLE_ = .; KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); _FIXUP_TABLE_ = .; KEEP(*(.fixup)) } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : @@ -100,7 +105,11 @@ SECTIONS * start.o, since the first shadow TLB only covers 4k * of address space. */ +#ifdef CONFIG_INIT_TLB + CONFIG_INIT_TLB (.bootpg) +#else CONFIG_BOARDDIR/init.o (.bootpg) +#endif } :text = 0xffff #endif diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c index 4c3e2fe..116d81b 100644 --- a/arch/powerpc/lib/bootm.c +++ b/arch/powerpc/lib/bootm.c @@ -47,7 +47,6 @@ DECLARE_GLOBAL_DATA_PTR; -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); extern ulong get_effective_memsize(void); static ulong get_sp (void); static void set_clocks_in_mhz (bd_t *kbd); diff --git a/arch/powerpc/lib/kgdb.c b/arch/powerpc/lib/kgdb.c index 1ec6818..19a56db 100644 --- a/arch/powerpc/lib/kgdb.c +++ b/arch/powerpc/lib/kgdb.c @@ -12,11 +12,13 @@ void breakinst(void); int kgdb_setjmp(long *buf) { - asm ("mflr 0; stw 0,0(%0);" - "stw 1,4(%0); stw 2,8(%0);" - "mfcr 0; stw 0,12(%0);" - "stmw 13,16(%0)" - : : "r" (buf)); + unsigned long temp; + + asm volatile("mflr %0; stw %0,0(%1);" + "stw %%r1,4(%1); stw %%r2,8(%1);" + "mfcr %0; stw %0,12(%1);" + "stmw %%r13,16(%1)" + : "=&r"(temp) : "r" (buf)); /* XXX should save fp regs as well */ return 0; } @@ -24,13 +26,16 @@ kgdb_setjmp(long *buf) void kgdb_longjmp(long *buf, int val) { + unsigned long temp; + if (val == 0) val = 1; - asm ("lmw 13,16(%0);" - "lwz 0,12(%0); mtcrf 0x38,0;" - "lwz 0,0(%0); lwz 1,4(%0); lwz 2,8(%0);" - "mtlr 0; mr 3,%1" - : : "r" (buf), "r" (val)); + + asm volatile("lmw %%r13,16(%1);" + "lwz %0,12(%1); mtcrf 0x38,%0;" + "lwz %0,0(%1); lwz %%r1,4(%1); lwz %%r2,8(%1);" + "mtlr %0; mr %%r3,%2" + : "=&r"(temp) : "r" (buf), "r" (val)); } static inline unsigned long diff --git a/arch/powerpc/lib/time.c b/arch/powerpc/lib/time.c index 2909961..34633c3 100644 --- a/arch/powerpc/lib/time.c +++ b/arch/powerpc/lib/time.c @@ -78,6 +78,8 @@ unsigned long ticks2usec(unsigned long ticks) int init_timebase (void) { + unsigned long temp; + #if defined(CONFIG_5xx) || defined(CONFIG_8xx) volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; @@ -86,7 +88,8 @@ int init_timebase (void) #endif /* reset */ - asm ("li 3,0 ; mttbu 3 ; mttbl 3 ;"); + asm volatile("li %0,0 ; mttbu %0 ; mttbl %0;" + : "=&r"(temp) ); #if defined(CONFIG_5xx) || defined(CONFIG_8xx) /* enable */ |