diff options
Diffstat (limited to 'arch/arm')
32 files changed, 1242 insertions, 64 deletions
diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S index 922d01c..41eb82d 100644 --- a/arch/arm/cpu/arm1136/start.S +++ b/arch/arm/cpu/arm1136/start.S @@ -185,6 +185,7 @@ stack_setup: #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ #endif /* CONFIG_PRELOADER */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index a540edb..f98a7aa 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -276,6 +276,7 @@ stack_setup: sub r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area */ sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo */ sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 022b873..d6f2c16 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -172,6 +172,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S index 779f192..e532f55 100644 --- a/arch/arm/cpu/arm920t/start.S +++ b/arch/arm/cpu/arm920t/start.S @@ -204,6 +204,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index 567e804..346615e 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -196,6 +196,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm926ejs/orion5x/Makefile b/arch/arm/cpu/arm926ejs/orion5x/Makefile new file mode 100644 index 0000000..11f4141 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/Makefile @@ -0,0 +1,55 @@ +# +# Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> +# +# Based on original Kirkwood support which is +# (C) Copyright 2009 +# 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).a + +COBJS-y = cpu.o +COBJS-y += dram.o +COBJS-y += timer.o + +ifndef CONFIG_SKIP_LOWLEVEL_INIT +SOBJS := lowlevel_init.o +endif + +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/orion5x/cpu.c b/arch/arm/cpu/arm926ejs/orion5x/cpu.c new file mode 100644 index 0000000..03c6d06 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/cpu.c @@ -0,0 +1,270 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirkwood support which is + * (C) Copyright 2009 + * 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 <common.h> +#include <netdev.h> +#include <asm/cache.h> +#include <u-boot/md5.h> +#include <asm/arch/orion5x.h> +#include <hush.h> + +#define BUFLEN 16 + +void reset_cpu(unsigned long ignored) +{ + struct orion5x_cpu_registers *cpureg = + (struct orion5x_cpu_registers *)ORION5X_CPU_REG_BASE; + + writel(readl(&cpureg->rstoutn_mask) | (1 << 2), + &cpureg->rstoutn_mask); + writel(readl(&cpureg->sys_soft_rst) | 1, + &cpureg->sys_soft_rst); + while (1) + ; +} + +/* + * Window Size + * Used with the Base register to set the address window size and location. + * Must be programmed from LSB to MSB as sequence of ones followed by + * sequence of zeros. The number of ones specifies the size of the window in + * 64 KByte granularity (e.g., a value of 0x00FF specifies 256 = 16 MByte). + * NOTE: A value of 0x0 specifies 64-KByte size. + */ +unsigned int orion5x_winctrl_calcsize(unsigned int sizeval) +{ + int i; + unsigned int j = 0; + u32 val = sizeval >> 1; + + for (i = 0; val > 0x10000; i++) { + j |= (1 << i); + val = val >> 1; + } + return 0x0000ffff & j; +} + +/* + * orion5x_config_adr_windows - Configure address Windows + * + * There are 8 address windows supported by Orion5x Soc to addess different + * devices. Each window can be configured for size, BAR and remap addr + * Below configuration is standard for most of the cases + * + * If remap function not used, remap_lo must be set as base + * + * Reference Documentation: + * Mbus-L to Mbus Bridge Registers Configuration. + * (Sec 25.1 and 25.3 of Datasheet) + */ +int orion5x_config_adr_windows(void) +{ + struct orion5x_win_registers *winregs = + (struct orion5x_win_registers *)ORION5X_CPU_WIN_BASE; + + /* Window 0: PCIE MEM address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_PCIE_MEM, + ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_MEM, + ORION5X_WIN_ENABLE), &winregs[0].ctrl); + writel(ORION5X_DEFADR_PCIE_MEM, &winregs[0].base); + writel(ORION5X_DEFADR_PCIE_MEM_REMAP_LO, &winregs[0].remap_lo); + writel(ORION5X_DEFADR_PCIE_MEM_REMAP_HI, &winregs[0].remap_hi); + + /* Window 1: PCIE IO address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_PCIE_IO, + ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_IO, + ORION5X_WIN_ENABLE), &winregs[1].ctrl); + writel(ORION5X_DEFADR_PCIE_IO, &winregs[1].base); + writel(ORION5X_DEFADR_PCIE_IO_REMAP_LO, &winregs[1].remap_lo); + writel(ORION5X_DEFADR_PCIE_IO_REMAP_HI, &winregs[1].remap_hi); + + /* Window 2: PCI MEM address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_PCI_MEM, + ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_MEM, + ORION5X_WIN_ENABLE), &winregs[2].ctrl); + writel(ORION5X_DEFADR_PCI_MEM, &winregs[2].base); + + /* Window 3: PCI IO address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_PCI_IO, + ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_IO, + ORION5X_WIN_ENABLE), &winregs[3].ctrl); + writel(ORION5X_DEFADR_PCI_IO, &winregs[3].base); + + /* Window 4: DEV_CS0 address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_DEV_CS0, + ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS0, + ORION5X_WIN_ENABLE), &winregs[4].ctrl); + writel(ORION5X_DEFADR_DEV_CS0, &winregs[4].base); + + /* Window 5: DEV_CS1 address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_DEV_CS1, + ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS1, + ORION5X_WIN_ENABLE), &winregs[5].ctrl); + writel(ORION5X_DEFADR_DEV_CS1, &winregs[5].base); + + /* Window 6: DEV_CS2 address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_DEV_CS2, + ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS2, + ORION5X_WIN_ENABLE), &winregs[6].ctrl); + writel(ORION5X_DEFADR_DEV_CS2, &winregs[6].base); + + /* Window 7: BOOT Memory address space */ + writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_DEFSZ_BOOTROM, + ORION5X_TARGET_DEVICE, ORION5X_ATTR_BOOTROM, + ORION5X_WIN_ENABLE), &winregs[7].ctrl); + writel(ORION5X_DEFADR_BOOTROM, &winregs[7].base); + + return 0; +} + +/* + * Orion5x identification is done through PCIE space. + */ + +u32 orion5x_device_id(void) +{ + return readl(PCIE_DEV_ID_OFF) >> 16; +} + +u32 orion5x_device_rev(void) +{ + return readl(PCIE_DEV_REV_OFF) & 0xff; +} + +#if defined(CONFIG_DISPLAY_CPUINFO) + +/* Display device and revision IDs. + * This function must cover all known device/revision + * combinations, not only the one for which u-boot is + * compiled; this way, one can identify actual HW in + * case of a mismatch. + */ +int print_cpuinfo(void) +{ + char dev_str[] = "0x0000"; + char rev_str[] = "0x00"; + char *dev_name = NULL; + char *rev_name = NULL; + + u32 dev = orion5x_device_id(); + u32 rev = orion5x_device_rev(); + + if (dev == MV88F5181_DEV_ID) { + dev_name = "MV88F5181"; + if (rev == MV88F5181_REV_B1) + rev_name = "B1"; + else if (rev == MV88F5181L_REV_A1) { + dev_name = "MV88F5181L"; + rev_name = "A1"; + } else if (rev == MV88F5181L_REV_A0) { + dev_name = "MV88F5181L"; + rev_name = "A0"; + } + } else if (dev == MV88F5182_DEV_ID) { + dev_name = "MV88F5182"; + if (rev == MV88F5182_REV_A2) + rev_name = "A2"; + } else if (dev == MV88F5281_DEV_ID) { + dev_name = "MV88F5281"; + if (rev == MV88F5281_REV_D2) + rev_name = "D2"; + else if (rev == MV88F5281_REV_D1) + rev_name = "D1"; + else if (rev == MV88F5281_REV_D0) + rev_name = "D0"; + } else if (dev == MV88F6183_DEV_ID) { + dev_name = "MV88F6183"; + if (rev == MV88F6183_REV_B0) + rev_name = "B0"; + } + if (dev_name == NULL) { + sprintf(dev_str, "0x%04x", dev); + dev_name = dev_str; + } + if (rev_name == NULL) { + sprintf(rev_str, "0x%02x", rev); + rev_name = rev_str; + } + + printf("SoC: Orion5x %s-%s\n", dev_name, rev_name); + + return 0; +} +#endif /* CONFIG_DISPLAY_CPUINFO */ + +#ifdef CONFIG_ARCH_CPU_INIT +int arch_cpu_init(void) +{ + /* Enable and invalidate L2 cache in write through mode */ + invalidate_l2_cache(); + + orion5x_config_adr_windows(); + + return 0; +} +#endif /* CONFIG_ARCH_CPU_INIT */ + +/* + * SOC specific misc init + */ +#if defined(CONFIG_ARCH_MISC_INIT) +int arch_misc_init(void) +{ + u32 temp; + + /*CPU streaming & write allocate */ + temp = readfr_extra_feature_reg(); + temp &= ~(1 << 28); /* disable wr alloc */ + writefr_extra_feature_reg(temp); + + temp = readfr_extra_feature_reg(); + temp &= ~(1 << 29); /* streaming disabled */ + writefr_extra_feature_reg(temp); + + /* L2Cache settings */ + temp = readfr_extra_feature_reg(); + /* Disable L2C pre fetch - Set bit 24 */ + temp |= (1 << 24); + /* enable L2C - Set bit 22 */ + temp |= (1 << 22); + writefr_extra_feature_reg(temp); + + icache_enable(); + /* Change reset vector to address 0x0 */ + temp = get_cr(); + set_cr(temp & ~CR_V); + + /* Set CPIOs and MPPs - values provided by board + include file */ + writel(ORION5X_MPP0_7, ORION5X_MPP_BASE+0x00); + writel(ORION5X_MPP8_15, ORION5X_MPP_BASE+0x04); + writel(ORION5X_MPP16_23, ORION5X_MPP_BASE+0x50); + writel(ORION5X_GPIO_OUT_ENABLE, ORION5X_GPIO_BASE+0x04); + + return 0; +} +#endif /* CONFIG_ARCH_MISC_INIT */ diff --git a/arch/arm/cpu/arm926ejs/orion5x/dram.c b/arch/arm/cpu/arm926ejs/orion5x/dram.c new file mode 100644 index 0000000..c719798 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/dram.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirkwood support which is + * (C) Copyright 2009 + * 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 <common.h> +#include <config.h> +#include <asm/arch/orion5x.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * orion5x_sdram_bar - reads SDRAM Base Address Register + */ +u32 orion5x_sdram_bar(enum memory_bank bank) +{ + struct orion5x_ddr_addr_decode_registers *winregs = + (struct orion5x_ddr_addr_decode_registers *) + ORION5X_CPU_WIN_BASE; + + u32 result = 0; + u32 enable = 0x01 & winregs[bank].size; + + if ((!enable) || (bank > BANK3)) + return 0; + + result = winregs[bank].base; + return result; +} + +int dram_init(void) +{ + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + gd->bd->bi_dram[i].start = orion5x_sdram_bar(i); + gd->bd->bi_dram[i].size = get_ram_size( + (volatile long *) (gd->bd->bi_dram[i].start), + CONFIG_MAX_RAM_BANK_SIZE); + } + return 0; +} diff --git a/arch/arm/cpu/arm926ejs/orion5x/lowlevel_init.S b/arch/arm/cpu/arm926ejs/orion5x/lowlevel_init.S new file mode 100644 index 0000000..0523bd4 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/lowlevel_init.S @@ -0,0 +1,293 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * (C) Copyright 2009 + * 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 <config.h> +#include "asm/arch/orion5x.h" + +/* + * Configuration values for SDRAM access setup + */ + +#define SDRAM_CONFIG 0x3148400 +#define SDRAM_MODE 0x62 +#define SDRAM_CONTROL 0x4041000 +#define SDRAM_TIME_CTRL_LOW 0x11602220 +#define SDRAM_TIME_CTRL_HI 0x40c +#define SDRAM_OPEN_PAGE_EN 0x0 +/* DDR 1 2x 32M NANYA NT5DS16M16CS-6K ==> 64MB */ +#define SDRAM_BANK0_SIZE 0x3ff0001 +#define SDRAM_ADDR_CTRL 0x10 + +#define SDRAM_OP_NOP 0x05 +#define SDRAM_OP_SETMODE 0x03 + +#define SDRAM_PAD_CTRL_WR_EN 0x80000000 +#define SDRAM_PAD_CTRL_TUNE_EN 0x00010000 +#define SDRAM_PAD_CTRL_DRVN_MASK 0x0000003f +#define SDRAM_PAD_CTRL_DRVP_MASK 0x00000fc0 + +/* + * For Guideline MEM-3 - Drive Strength value + */ + +#define DDR1_PAD_STRENGTH_DEFAULT 0x00001000 +#define SDRAM_PAD_CTRL_DRV_STR_MASK 0x00003000 + +/* + * For Guideline MEM-4 - DQS Reference Delay Tuning + */ + +#define MSAR_ARMDDRCLCK_MASK 0x000000f0 +#define MSAR_ARMDDRCLCK_H_MASK 0x00000100 + +#define MSAR_ARMDDRCLCK_333_167 0x00000000 +#define MSAR_ARMDDRCLCK_500_167 0x00000030 +#define MSAR_ARMDDRCLCK_667_167 0x00000060 +#define MSAR_ARMDDRCLCK_400_200_1 0x000001E0 +#define MSAR_ARMDDRCLCK_400_200 0x00000010 +#define MSAR_ARMDDRCLCK_600_200 0x00000050 +#define MSAR_ARMDDRCLCK_800_200 0x00000070 + +#define FTDLL_DDR1_166MHZ 0x0047F001 + +#define FTDLL_DDR1_200MHZ 0x0044D001 + +/* + * Low-level init happens right after start.S has switched to SVC32, + * flushed and disabled caches and disabled MMU. We're still running + * from the boot chip select, so the first thing we should do is set + * up RAM for us to relocate into. + */ + +.globl lowlevel_init + +lowlevel_init: + + /* Use 'r4 as the base for internal register accesses */ + ldr r4, =ORION5X_REGS_PHY_BASE + + /* move internal registers from the default 0xD0000000 + * to their intended location, defined by SoC */ + ldr r3, =0xD0000000 + add r3, r3, #0x20000 + str r4, [r3, #0x80] + + /* Use R3 as the base for DRAM registers */ + add r3, r4, #0x01000 + + /*DDR SDRAM Initialization Control */ + ldr r6, =0x00000001 + str r6, [r3, #0x480] + + /* Use R3 as the base for PCI registers */ + add r3, r4, #0x31000 + + /* Disable arbiter */ + ldr r6, =0x00000030 + str r6, [r3, #0xd00] + + /* Use R3 as the base for DRAM registers */ + add r3, r4, #0x01000 + + /* set all dram windows to 0 */ + mov r6, #0 + str r6, [r3, #0x504] + str r6, [r3, #0x50C] + str r6, [r3, #0x514] + str r6, [r3, #0x51C] + + /* 1) Configure SDRAM */ + ldr r6, =SDRAM_CONFIG + str r6, [r3, #0x400] + + /* 2) Set SDRAM Control reg */ + ldr r6, =SDRAM_CONTROL + str r6, [r3, #0x404] + + /* 3) Write SDRAM address control register */ + ldr r6, =SDRAM_ADDR_CTRL + str r6, [r3, #0x410] + + /* 4) Write SDRAM bank 0 size register */ + ldr r6, =SDRAM_BANK0_SIZE + str r6, [r3, #0x504] + /* keep other banks disabled */ + + /* 5) Write SDRAM open pages control register */ + ldr r6, =SDRAM_OPEN_PAGE_EN + str r6, [r3, #0x414] + + /* 6) Write SDRAM timing Low register */ + ldr r6, =SDRAM_TIME_CTRL_LOW + str r6, [r3, #0x408] + + /* 7) Write SDRAM timing High register */ + ldr r6, =SDRAM_TIME_CTRL_HI + str r6, [r3, #0x40C] + + /* 8) Write SDRAM mode register */ + /* The CPU must not attempt to change the SDRAM Mode register setting */ + /* prior to DRAM controller completion of the DRAM initialization */ + /* sequence. To guarantee this restriction, it is recommended that */ + /* the CPU sets the SDRAM Operation register to NOP command, performs */ + /* read polling until the register is back in Normal operation value, */ + /* and then sets SDRAM Mode register to its new value. */ + + /* 8.1 write 'nop' to SDRAM operation */ + ldr r6, =SDRAM_OP_NOP + str r6, [r3, #0x418] + + /* 8.2 poll SDRAM operation until back in 'normal' mode. */ +1: + ldr r6, [r3, #0x418] + cmp r6, #0 + bne 1b + + /* 8.3 Now its safe to write new value to SDRAM Mode register */ + ldr r6, =SDRAM_MODE + str r6, [r3, #0x41C] + + /* 8.4 Set new mode */ + ldr r6, =SDRAM_OP_SETMODE + str r6, [r3, #0x418] + + /* 8.5 poll SDRAM operation until back in 'normal' mode. */ +2: + ldr r6, [r3, #0x418] + cmp r6, #0 + bne 2b + + /* DDR SDRAM Address/Control Pads Calibration */ + ldr r6, [r3, #0x4C0] + + /* Set Bit [31] to make the register writable */ + orr r6, r6, #SDRAM_PAD_CTRL_WR_EN + str r6, [r3, #0x4C0] + + bic r6, r6, #SDRAM_PAD_CTRL_WR_EN + bic r6, r6, #SDRAM_PAD_CTRL_TUNE_EN + bic r6, r6, #SDRAM_PAD_CTRL_DRVN_MASK + bic r6, r6, #SDRAM_PAD_CTRL_DRVP_MASK + + /* Get the final N locked value of driving strength [22:17] */ + mov r1, r6 + mov r1, r1, LSL #9 + mov r1, r1, LSR #26 /* r1[5:0]<DrvN> = r3[22:17]<LockN> */ + orr r1, r1, r1, LSL #6 /* r1[11:6]<DrvP> = r1[5:0]<DrvN> */ + + /* Write to both <DrvN> bits [5:0] and <DrvP> bits [11:6] */ + orr r6, r6, r1 + str r6, [r3, #0x4C0] + + /* DDR SDRAM Data Pads Calibration */ + ldr r6, [r3, #0x4C4] + + /* Set Bit [31] to make the register writable */ + orr r6, r6, #SDRAM_PAD_CTRL_WR_EN + str r6, [r3, #0x4C4] + + bic r6, r6, #SDRAM_PAD_CTRL_WR_EN + bic r6, r6, #SDRAM_PAD_CTRL_TUNE_EN + bic r6, r6, #SDRAM_PAD_CTRL_DRVN_MASK + bic r6, r6, #SDRAM_PAD_CTRL_DRVP_MASK + + /* Get the final N locked value of driving strength [22:17] */ + mov r1, r6 + mov r1, r1, LSL #9 + mov r1, r1, LSR #26 + orr r1, r1, r1, LSL #6 /* r1[5:0] = r3[22:17]<LockN> */ + + /* Write to both <DrvN> bits [5:0] and <DrvP> bits [11:6] */ + orr r6, r6, r1 + + str r6, [r3, #0x4C4] + + /* Implement Guideline (GL# MEM-3) Drive Strength Value */ + /* Relevant for: 88F5181-A1/B0/B1 and 88F5281-A0/B0 */ + + ldr r1, =DDR1_PAD_STRENGTH_DEFAULT + + /* Enable writes to DDR SDRAM Addr/Ctrl Pads Calibration register */ + ldr r6, [r3, #0x4C0] + orr r6, r6, #SDRAM_PAD_CTRL_WR_EN + str r6, [r3, #0x4C0] + + /* Correct strength and disable writes again */ + bic r6, r6, #SDRAM_PAD_CTRL_WR_EN + bic r6, r6, #SDRAM_PAD_CTRL_DRV_STR_MASK + orr r6, r6, r1 + str r6, [r3, #0x4C0] + + /* Enable writes to DDR SDRAM Data Pads Calibration register */ + ldr r6, [r3, #0x4C4] + orr r6, r6, #SDRAM_PAD_CTRL_WR_EN + str r6, [r3, #0x4C4] + + /* Correct strength and disable writes again */ + bic r6, r6, #SDRAM_PAD_CTRL_DRV_STR_MASK + bic r6, r6, #SDRAM_PAD_CTRL_WR_EN + orr r6, r6, r1 + str r6, [r3, #0x4C4] + + /* Implement Guideline (GL# MEM-4) DQS Reference Delay Tuning */ + /* Relevant for: 88F5181-A1/B0/B1 and 88F5281-A0/B0 */ + + /* Get the "sample on reset" register for the DDR frequancy */ + ldr r3, =0x10000 + ldr r6, [r3, #0x010] + ldr r1, =MSAR_ARMDDRCLCK_MASK + and r1, r6, r1 + + ldr r6, =FTDLL_DDR1_166MHZ + cmp r1, #MSAR_ARMDDRCLCK_333_167 + beq 3f + cmp r1, #MSAR_ARMDDRCLCK_500_167 + beq 3f + cmp r1, #MSAR_ARMDDRCLCK_667_167 + beq 3f + + ldr r6, =FTDLL_DDR1_200MHZ + cmp r1, #MSAR_ARMDDRCLCK_400_200_1 + beq 3f + cmp r1, #MSAR_ARMDDRCLCK_400_200 + beq 3f + cmp r1, #MSAR_ARMDDRCLCK_600_200 + beq 3f + cmp r1, #MSAR_ARMDDRCLCK_800_200 + beq 3f + + ldr r6, =0 + +3: + /* Use R3 as the base for DRAM registers */ + add r3, r4, #0x01000 + + ldr r2, [r3, #0x484] + orr r2, r2, r6 + str r2, [r3, #0x484] + + /* Return to U-boot via saved link register */ + mov pc, lr diff --git a/arch/arm/cpu/arm926ejs/orion5x/timer.c b/arch/arm/cpu/arm926ejs/orion5x/timer.c new file mode 100644 index 0000000..115448f --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/timer.c @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirkwood support which is + * Copyright (C) Marvell International Ltd. and its affiliates + * 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 <common.h> +#include <asm/arch/orion5x.h> + +#define UBOOT_CNTR 0 /* counter to use for uboot timer */ + +/* Timer reload and current value registers */ +struct orion5x_tmr_val { + u32 reload; /* Timer reload reg */ + u32 val; /* Timer value reg */ +}; + +/* Timer registers */ +struct orion5x_tmr_registers { + u32 ctrl; /* Timer control reg */ + u32 pad[3]; + struct orion5x_tmr_val tmr[2]; + u32 wdt_reload; + u32 wdt_val; +}; + +struct orion5x_tmr_registers *orion5x_tmr_regs = + (struct orion5x_tmr_registers *)ORION5X_TIMER_BASE; + +/* + * ARM Timers Registers Map + */ +#define CNTMR_CTRL_REG (&orion5x_tmr_regs->ctrl) +#define CNTMR_RELOAD_REG(tmrnum) (&orion5x_tmr_regs->tmr[tmrnum].reload) +#define CNTMR_VAL_REG(tmrnum) (&orion5x_tmr_regs->tmr[tmrnum].val) + +/* + * ARM Timers Control Register + * CPU_TIMERS_CTRL_REG (CTCR) + */ +#define CTCR_ARM_TIMER_EN_OFFS(cntr) (cntr * 2) +#define CTCR_ARM_TIMER_EN_MASK(cntr) (1 << CTCR_ARM_TIMER_EN_OFFS) +#define CTCR_ARM_TIMER_EN(cntr) (1 << CTCR_ARM_TIMER_EN_OFFS(cntr)) +#define CTCR_ARM_TIMER_DIS(cntr) (0 << CTCR_ARM_TIMER_EN_OFFS(cntr)) + +#define CTCR_ARM_TIMER_AUTO_OFFS(cntr) ((cntr * 2) + 1) +#define CTCR_ARM_TIMER_AUTO_MASK(cntr) (1 << 1) +#define CTCR_ARM_TIMER_AUTO_EN(cntr) (1 << CTCR_ARM_TIMER_AUTO_OFFS(cntr)) +#define CTCR_ARM_TIMER_AUTO_DIS(cntr) (0 << CTCR_ARM_TIMER_AUTO_OFFS(cntr)) + +/* + * ARM Timer\Watchdog Reload Register + * CNTMR_RELOAD_REG (TRR) + */ +#define TRG_ARM_TIMER_REL_OFFS 0 +#define TRG_ARM_TIMER_REL_MASK 0xffffffff + +/* + * ARM Timer\Watchdog Register + * CNTMR_VAL_REG (TVRG) + */ +#define TVR_ARM_TIMER_OFFS 0 +#define TVR_ARM_TIMER_MASK 0xffffffff +#define TVR_ARM_TIMER_MAX 0xffffffff +#define TIMER_LOAD_VAL 0xffffffff + +static inline ulong read_timer(void) +{ + return readl(CNTMR_VAL_REG(UBOOT_CNTR)) + / (CONFIG_SYS_TCLK / 1000); +} + +static ulong timestamp; +static ulong lastdec; + +void reset_timer_masked(void) +{ + /* reset time */ + lastdec = read_timer(); + timestamp = 0; +} + +ulong get_timer_masked(void) +{ + ulong now = read_timer(); + + if (lastdec >= now) { + /* normal mode */ + timestamp += lastdec - now; + } else { + /* we have an overflow ... */ + timestamp += lastdec + + (TIMER_LOAD_VAL / (CONFIG_SYS_TCLK / 1000)) - now; + } + lastdec = now; + + return timestamp; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void set_timer(ulong t) +{ + timestamp = t; +} + +static inline ulong uboot_cntr_val(void) +{ + return readl(CNTMR_VAL_REG(UBOOT_CNTR)); +} + +void __udelay(unsigned long usec) +{ + uint current; + ulong delayticks; + + current = uboot_cntr_val(); + delayticks = (usec * (CONFIG_SYS_TCLK / 1000000)); + + if (current < delayticks) { + delayticks -= current; + while (uboot_cntr_val() < current) + ; + while ((TIMER_LOAD_VAL - delayticks) < uboot_cntr_val()) + ; + } else { + while (uboot_cntr_val() > (current - delayticks)) + ; + } +} + +/* + * init the counter + */ +int timer_init(void) +{ + unsigned int cntmrctrl; + + /* load value into timer */ + writel(TIMER_LOAD_VAL, CNTMR_RELOAD_REG(UBOOT_CNTR)); + writel(TIMER_LOAD_VAL, CNTMR_VAL_REG(UBOOT_CNTR)); + + /* enable timer in auto reload mode */ + cntmrctrl = readl(CNTMR_CTRL_REG); + cntmrctrl |= CTCR_ARM_TIMER_EN(UBOOT_CNTR); + cntmrctrl |= CTCR_ARM_TIMER_AUTO_EN(UBOOT_CNTR); + writel(cntmrctrl, CNTMR_CTRL_REG); + + /* init the timestamp and lastdec value */ + reset_timer_masked(); + + return 0; +} diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index 3b81151..cf40ce1 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -196,7 +196,7 @@ stack_setup: #endif #endif /* CONFIG_PRELOADER */ sub sp, r0, #12 /* leave 3 words for abort-stack */ - bic sp, r0, #7 /* 8-byte align stack for ABI compliance */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S index 627e3cb..8844d44 100644 --- a/arch/arm/cpu/arm946es/start.S +++ b/arch/arm/cpu/arm946es/start.S @@ -163,6 +163,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/arm_cortexa8/mx51/clock.c b/arch/arm/cpu/arm_cortexa8/mx51/clock.c index 38480ac..a27227d 100644 --- a/arch/arm/cpu/arm_cortexa8/mx51/clock.c +++ b/arch/arm/cpu/arm_cortexa8/mx51/clock.c @@ -269,7 +269,7 @@ u32 imx_get_fecclk(void) /* * Dump some core clockes. */ -int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { u32 freq; diff --git a/arch/arm/cpu/arm_cortexa8/omap3/board.c b/arch/arm/cpu/arm_cortexa8/omap3/board.c index d2500ca..69e56f5 100644 --- a/arch/arm/cpu/arm_cortexa8/omap3/board.c +++ b/arch/arm/cpu/arm_cortexa8/omap3/board.c @@ -282,7 +282,7 @@ void abort(void) /****************************************************************************** * OMAP3 specific command to switch between NAND HW and SW ecc *****************************************************************************/ -static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { if (argc != 2) goto usage; diff --git a/arch/arm/cpu/arm_cortexa8/omap3/cache.S b/arch/arm/cpu/arm_cortexa8/omap3/cache.S index 0f63815..4b65ac5 100644 --- a/arch/arm/cpu/arm_cortexa8/omap3/cache.S +++ b/arch/arm/cpu/arm_cortexa8/omap3/cache.S @@ -130,7 +130,7 @@ finished_inval: l2_cache_enable: - push {r0, r1, r2, lr} + stmfd r13!, {r0, r1, r2, lr} @ ES2 onwards we can disable/enable L2 ourselves bl get_cpu_rev cmp r0, #CPU_3XX_ES20 @@ -157,11 +157,11 @@ l2_cache_enable_EARLIER_THAN_ES2: mov ip, r3 str r3, [sp, #4] l2_cache_enable_END: - pop {r1, r2, r3, pc} + ldmfd r13!, {r1, r2, r3, pc} l2_cache_disable: - push {r0, r1, r2, lr} + stmfd r13!, {r0, r1, r2, lr} @ ES2 onwards we can disable/enable L2 ourselves bl get_cpu_rev cmp r0, #CPU_3XX_ES20 @@ -188,4 +188,4 @@ l2_cache_disable_EARLIER_THAN_ES2: mov ip, r3 str r3, [sp, #4] l2_cache_disable_END: - pop {r1, r2, r3, pc} + ldmfd r13!, {r1, r2, r3, pc} diff --git a/arch/arm/cpu/arm_cortexa8/start.S b/arch/arm/cpu/arm_cortexa8/start.S index 29dae2f..1e0a150 100644 --- a/arch/arm/cpu/arm_cortexa8/start.S +++ b/arch/arm/cpu/arm_cortexa8/start.S @@ -164,7 +164,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 @ leave 3 words for abort-stack - and sp, sp, #~7 @ 8 byte alinged for (ldr/str)d + bic sp, sp, #7 @ 8-byte alignment for ABI compliance /* Clear BSS (if any). Is below tx (watch load addr - need space) */ clear_bss: diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S index bb1f003..328bae0 100644 --- a/arch/arm/cpu/arm_intcm/start.S +++ b/arch/arm/cpu/arm_intcm/start.S @@ -161,6 +161,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S index 5ebce53..6efe333 100644 --- a/arch/arm/cpu/ixp/start.S +++ b/arch/arm/cpu/ixp/start.S @@ -289,6 +289,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S index a1321b1..14a1fbe 100644 --- a/arch/arm/cpu/lh7a40x/start.S +++ b/arch/arm/cpu/lh7a40x/start.S @@ -178,6 +178,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S index 63ab0c5..e07c8c2 100644 --- a/arch/arm/cpu/pxa/start.S +++ b/arch/arm/cpu/pxa/start.S @@ -141,6 +141,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif /* CONFIG_USE_IRQ */ sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index f5a3d3a..0063063 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -163,6 +163,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ ldr pc, _start_armboot diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S index 278c500..deb4745 100644 --- a/arch/arm/cpu/sa1100/start.S +++ b/arch/arm/cpu/sa1100/start.S @@ -153,6 +153,7 @@ stack_setup: sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ + bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ clear_bss: ldr r0, _bss_start /* find start of bss segment */ diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h index 5b1a85d..2f9ad96 100644 --- a/arch/arm/include/asm/arch-at91/at91_pmc.h +++ b/arch/arm/include/asm/arch-at91/at91_pmc.h @@ -35,13 +35,15 @@ typedef struct at91_pmc { u32 pcer; /* 0x10 Peripheral Clock Enable Register */ u32 pcdr; /* 0x14 Peripheral Clock Disable Register */ u32 pcsr; /* 0x18 Peripheral Clock Status Register */ - u32 reserved1; + u32 uckr; /* 0x1C UTMI Clock Register */ u32 mor; /* 0x20 Main Oscilator Register */ u32 mcfr; /* 0x24 Main Clock Frequency Register */ u32 pllar; /* 0x28 PLL A Register */ u32 pllbr; /* 0x2C PLL B Register */ u32 mckr; /* 0x30 Master Clock Register */ - u32 reserved2[3]; + u32 reserved1; + u32 usb; /* 0x38 USB Clock Register */ + u32 reserved2; u32 pck[4]; /* 0x40 Programmable Clock Register 0 - 3 */ u32 reserved3[4]; u32 ier; /* 0x60 Interrupt Enable Register */ @@ -199,6 +201,14 @@ typedef struct at91_pmc { #define AT91_PMC_PDIV_2 (1 << 12) #ifdef CONFIG_AT91_LEGACY +#define AT91_PMC_USB (AT91_PMC + 0x38) /* USB Clock Register */ +#endif +#define AT91_PMC_USBS_USB_PLLA (0x0) /* USB Clock Input is PLLA */ +#define AT91_PMC_USBS_USB_UPLL (0x1) /* USB Clock Input is UPLL */ +#define AT91_PMC_USBDIV_8 (0x7 << 8) /* USB Clock divided by 8 */ +#define AT91_PMC_USBDIV_10 (0x9 << 8) /* USB Clock divided by 10 */ + +#ifdef CONFIG_AT91_LEGACY #define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */ #define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ diff --git a/arch/arm/include/asm/arch-davinci/emac_defs.h b/arch/arm/include/asm/arch-davinci/emac_defs.h index b0ec8f5..35a1585 100644 --- a/arch/arm/include/asm/arch-davinci/emac_defs.h +++ b/arch/arm/include/asm/arch-davinci/emac_defs.h @@ -85,7 +85,7 @@ #endif /* PHY mask - set only those phy number bits where phy is/can be connected */ -#define EMAC_MDIO_PHY_NUM 1 +#define EMAC_MDIO_PHY_NUM CONFIG_EMAC_MDIO_PHY_NUM #define EMAC_MDIO_PHY_MASK (1 << EMAC_MDIO_PHY_NUM) /* Ethernet Min/Max packet size */ diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 81cc8ab..3520cf8 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -398,6 +398,7 @@ struct davinci_syscfg_regs { #define DAVINCI_SYSCFG_SUSPSRC_EMAC (1 << 5) #define DAVINCI_SYSCFG_SUSPSRC_I2C (1 << 16) #define DAVINCI_SYSCFG_SUSPSRC_SPI0 (1 << 21) +#define DAVINCI_SYSCFG_SUSPSRC_SPI1 (1 << 22) #define DAVINCI_SYSCFG_SUSPSRC_UART2 (1 << 20) #define DAVINCI_SYSCFG_SUSPSRC_TIMER0 (1 << 27) diff --git a/arch/arm/include/asm/arch-orion5x/cpu.h b/arch/arm/include/asm/arch-orion5x/cpu.h new file mode 100644 index 0000000..22e2dd3 --- /dev/null +++ b/arch/arm/include/asm/arch-orion5x/cpu.h @@ -0,0 +1,203 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirorion5x_ood support which is + * (C) Copyright 2009 + * 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 + */ + +#ifndef _ORION5X_CPU_H +#define _ORION5X_CPU_H + +#include <asm/system.h> + +#ifndef __ASSEMBLY__ + +#define ORION5X_CPU_WIN_CTRL_DATA(size, target, attr, en) (en | (target << 4) \ + | (attr << 8) | (orion5x_winctrl_calcsize(size) << 16)) + +#define ORION5XGBE_PORT_SERIAL_CONTROL1_REG(_x) \ + ((_x ? ORION5X_EGIGA0_BASE : ORION5X_EGIGA1_BASE) + 0x44c) + +enum memory_bank { + BANK0, + BANK1, + BANK2, + BANK3 +}; + +enum orion5x_cpu_winen { + ORION5X_WIN_DISABLE, + ORION5X_WIN_ENABLE +}; + +enum orion5x_cpu_target { + ORION5X_TARGET_DRAM = 0, + ORION5X_TARGET_DEVICE = 1, + ORION5X_TARGET_PCI = 3, + ORION5X_TARGET_PCIE = 4, + ORION5X_TARGET_SASRAM = 9 +}; + +enum orion5x_cpu_attrib { + ORION5X_ATTR_DRAM_CS0 = 0x0e, + ORION5X_ATTR_DRAM_CS1 = 0x0d, + ORION5X_ATTR_DRAM_CS2 = 0x0b, + ORION5X_ATTR_DRAM_CS3 = 0x07, + ORION5X_ATTR_PCI_MEM = 0x59, + ORION5X_ATTR_PCI_IO = 0x51, + ORION5X_ATTR_PCIE_MEM = 0x59, + ORION5X_ATTR_PCIE_IO = 0x51, + ORION5X_ATTR_SASRAM = 0x00, + ORION5X_ATTR_DEV_CS0 = 0x1e, + ORION5X_ATTR_DEV_CS1 = 0x1d, + ORION5X_ATTR_DEV_CS2 = 0x1b, + ORION5X_ATTR_BOOTROM = 0x0f +}; + +/* + * Default Device Address MAP BAR values + */ +#define ORION5X_DEFADR_PCIE_MEM 0x90000000 +#define ORION5X_DEFADR_PCIE_MEM_REMAP_LO 0x90000000 +#define ORION5X_DEFADR_PCIE_MEM_REMAP_HI 0 +#define ORION5X_DEFSZ_PCIE_MEM (128*1024*1024) + +#define ORION5X_DEFADR_PCIE_IO 0xf0000000 +#define ORION5X_DEFADR_PCIE_IO_REMAP_LO 0x90000000 +#define ORION5X_DEFADR_PCIE_IO_REMAP_HI 0 +#define ORION5X_DEFSZ_PCIE_IO (64*1024) + +#define ORION5X_DEFADR_PCI_MEM 0x98000000 +#define ORION5X_DEFSZ_PCI_MEM (128*1024*1024) + +#define ORION5X_DEFADR_PCI_IO 0xf0100000 +#define ORION5X_DEFSZ_PCI_IO (64*1024) + +#define ORION5X_DEFADR_DEV_CS0 0xfa000000 +#define ORION5X_DEFSZ_DEV_CS0 (2*1024*1024) + +#define ORION5X_DEFADR_DEV_CS1 0xf8000000 +#define ORION5X_DEFSZ_DEV_CS1 (32*1024*1024) + +#define ORION5X_DEFADR_DEV_CS2 0xfa800000 +#define ORION5X_DEFSZ_DEV_CS2 (1*1024*1024) + +#define ORION5X_DEFADR_BOOTROM 0xFFF80000 +#define ORION5X_DEFSZ_BOOTROM (512*1024) + +/* + * PCIE registers are used for SoC device ID and revision + */ +#define PCIE_DEV_ID_OFF (ORION5X_REG_PCIE_BASE + 0x0000) +#define PCIE_DEV_REV_OFF (ORION5X_REG_PCIE_BASE + 0x0008) + +/* + * The following definitions are intended for identifying + * the real device and revision on which u-boot is running + * even if it was compiled only for a specific one. Thus, + * these constants must not be considered chip-specific. + */ + +/* Orion-1 (88F5181) and Orion-VoIP (88F5181L) */ +#define MV88F5181_DEV_ID 0x5181 +#define MV88F5181_REV_B1 3 +#define MV88F5181L_REV_A0 8 +#define MV88F5181L_REV_A1 9 +/* Orion-NAS (88F5182) */ +#define MV88F5182_DEV_ID 0x5182 +#define MV88F5182_REV_A2 2 +/* Orion-2 (88F5281) */ +#define MV88F5281_DEV_ID 0x5281 +#define MV88F5281_REV_D0 4 +#define MV88F5281_REV_D1 5 +#define MV88F5281_REV_D2 6 +/* Orion-1-90 (88F6183) */ +#define MV88F6183_DEV_ID 0x6183 +#define MV88F6183_REV_B0 3 + +/* + * read feroceon core extra feature register + * using co-proc instruction + */ +static inline unsigned int readfr_extra_feature_reg(void) +{ + unsigned int val; + asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr" : "=r" + (val) : : "cc"); + return val; +} + +/* + * write feroceon core extra feature register + * using co-proc instruction + */ +static inline void writefr_extra_feature_reg(unsigned int val) +{ + asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr" : : "r" + (val) : "cc"); + isb(); +} + +/* + * AHB to Mbus Bridge Registers + * Source: 88F5182 User Manual, Appendix A, section A.4 + * Note: only windows 0 and 1 have remap capability. + */ +struct orion5x_win_registers { + u32 ctrl; + u32 base; + u32 remap_lo; + u32 remap_hi; +}; + +/* + * CPU control and status Registers + * Source: 88F5182 User Manual, Appendix A, section A.4 + */ +struct orion5x_cpu_registers { + u32 config; /*0x20100 */ + u32 ctrl_stat; /*0x20104 */ + u32 rstoutn_mask; /* 0x20108 */ + u32 sys_soft_rst; /* 0x2010C */ + u32 ahb_mbus_cause_irq; /* 0x20110 */ + u32 ahb_mbus_mask_irq; /* 0x20114 */ +}; + +/* + * DDR SDRAM Controller Address Decode Registers + * Source: 88F5182 User Manual, Appendix A, section A.5.1 + */ +struct orion5x_ddr_addr_decode_registers { + u32 base; + u32 size; +}; + +/* + * functions + */ +void reset_cpu(unsigned long ignored); +u32 orion5x_device_id(void); +u32 orion5x_device_rev(void); +unsigned int orion5x_winctrl_calcsize(unsigned int sizeval); +#endif /* __ASSEMBLY__ */ +#endif /* _ORION5X_CPU_H */ diff --git a/arch/arm/include/asm/arch-orion5x/mv88f5182.h b/arch/arm/include/asm/arch-orion5x/mv88f5182.h new file mode 100644 index 0000000..86ba08d --- /dev/null +++ b/arch/arm/include/asm/arch-orion5x/mv88f5182.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirkwood 88F6182 support which is + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * + * Header file for Feroceon CPU core 88F5182 SOC. + * + * 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 _CONFIG_88F5182_H +#define _CONFIG_88F5182_H + +/* SOC specific definitions */ +#define F88F5182_REGS_PHYS_BASE 0xf1000000 +#define ORION5X_REGS_PHY_BASE F88F5182_REGS_PHYS_BASE + +/* TCLK Core Clock defination */ +#define CONFIG_SYS_TCLK 166000000 /* 166MHz */ + +#endif /* _CONFIG_88F5182_H */ diff --git a/arch/arm/include/asm/arch-orion5x/orion5x.h b/arch/arm/include/asm/arch-orion5x/orion5x.h new file mode 100644 index 0000000..4008c84 --- /dev/null +++ b/arch/arm/include/asm/arch-orion5x/orion5x.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2010 Albert ARIBAUD <albert.aribaud@free.fr> + * + * Based on original Kirkwood support which is + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * + * Header file for Marvell's Orion SoC with Feroceon CPU core. + * + * 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_ORION5X_H +#define _ASM_ARCH_ORION5X_H + +#ifndef __ASSEMBLY__ +#include <asm/types.h> +#include <asm/io.h> +#endif /* __ASSEMBLY__ */ + +#if defined(CONFIG_FEROCEON) +#include <asm/arch/cpu.h> + +/* SOC specific definations */ +#define ORION5X_REGISTER(x) (ORION5X_REGS_PHY_BASE + x) + +/* Documented registers */ +#define ORION5X_TWSI_BASE (ORION5X_REGISTER(0x11000)) +#define ORION5X_UART0_BASE (ORION5X_REGISTER(0x12000)) +#define ORION5X_UART1_BASE (ORION5X_REGISTER(0x12100)) +#define ORION5X_MPP_BASE (ORION5X_REGISTER(0x10000)) +#define ORION5X_GPIO_BASE (ORION5X_REGISTER(0x10100)) +#define ORION5X_CPU_WIN_BASE (ORION5X_REGISTER(0x20000)) +#define ORION5X_CPU_REG_BASE (ORION5X_REGISTER(0x20100)) +#define ORION5X_TIMER_BASE (ORION5X_REGISTER(0x20300)) +#define ORION5X_REG_PCI_BASE (ORION5X_REGISTER(0x30000)) +#define ORION5X_REG_PCIE_BASE (ORION5X_REGISTER(0x40000)) +#define ORION5X_USB20_PORT0_BASE (ORION5X_REGISTER(0x50000)) +#define ORION5X_USB20_PORT1_BASE (ORION5X_REGISTER(0xA0000)) +#define ORION5X_EGIGA_BASE (ORION5X_REGISTER(0x72000)) + +#define CONFIG_MAX_RAM_BANK_SIZE (64*1024*1024) + +/* include here SoC variants. 5181, 5281, 6183 should go here when + adding support for them, and this comment should then be updated. */ +#if defined(CONFIG_88F5182) +#include <asm/arch/mv88f5182.h> +#else +#error "SOC Name not defined" +#endif +#endif /* CONFIG_FEROCEON */ +#endif /* _ASM_ARCH_ORION5X_H */ diff --git a/arch/arm/include/asm/arch-pxa/pxa-regs.h b/arch/arm/include/asm/arch-pxa/pxa-regs.h index a25d4c5..cd7b7f9 100644 --- a/arch/arm/include/asm/arch-pxa/pxa-regs.h +++ b/arch/arm/include/asm/arch-pxa/pxa-regs.h @@ -992,10 +992,6 @@ typedef void (*ExcpHndlr) (void) ; #define UHCHIE __REG(0x4C000068) #define UHCHIT __REG(0x4C00006C) -#if defined(CONFIG_CPU_MONAHANS) -#define UP2OCR __REG(0x40600020) -#endif - #define UHCHR_FSBIR (1<<0) #define UHCHR_FHR (1<<1) #define UHCHR_CGR (1<<2) @@ -1015,6 +1011,24 @@ typedef void (*ExcpHndlr) (void) ; #define UHCHIE_HBAIE (1<<8) #define UHCHIE_RWIE (1<<7) +#if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) +#define UP2OCR __REG(0x40600020) +#endif + +#define UP2OCR_HXOE (1<<17) +#define UP2OCR_HXS (1<<16) +#define UP2OCR_IDON (1<<10) +#define UP2OCR_EXSUS (1<<9) +#define UP2OCR_EXSP (1<<8) +#define UP2OCR_DMSTATE (1<<7) +#define UP2OCR_VPM (1<<6) +#define UP2OCR_DPSTATE (1<<5) +#define UP2OCR_DPPUE (1<<4) +#define UP2OCR_DMPDE (1<<3) +#define UP2OCR_DPPDE (1<<2) +#define UP2OCR_CPVPE (1<<1) +#define UP2OCR_CPVEN (1<<0) + #endif /* @@ -2407,6 +2421,9 @@ typedef void (*ExcpHndlr) (void) ; #define MDMRS __REG(0x48000040) /* MRS value to be written to SDRAM */ #define BOOT_DEF __REG(0x48000044) /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */ +#define MDREFR_ALTREFA (1 << 31) /* Exiting Alternate Bus Master Mode Refresh Control */ +#define MDREFR_ALTREFB (1 << 30) /* Entering Alternate Bus Master Mode Refresh Control */ +#define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */ #define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */ #define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */ #define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */ diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 0a4b5be..e8f3eb1 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -248,13 +248,13 @@ extern void __iounmap(void *addr); * iomem_to_phys(off) */ #ifdef iomem_valid_addr -#define __arch_ioremap(off,sz,nocache) \ - ({ \ - unsigned long _off = (off), _size = (sz); \ - void *_ret = (void *)0; \ - if (iomem_valid_addr(_off, _size)) \ - _ret = __ioremap(iomem_to_phys(_off),_size,0); \ - _ret; \ +#define __arch_ioremap(off,sz,nocache) \ + ({ \ + unsigned long _off = (off), _size = (sz); \ + void *_ret = (void *)0; \ + if (iomem_valid_addr(_off, _size)) \ + _ret = __ioremap(iomem_to_phys(_off),_size,nocache); \ + _ret; \ }) #define __arch_iounmap __iounmap diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 128b7e3..3101321 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -33,9 +33,7 @@ DECLARE_GLOBAL_DATA_PTR; defined (CONFIG_CMDLINE_TAG) || \ defined (CONFIG_INITRD_TAG) || \ defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_VFD) || \ - defined (CONFIG_LCD) + defined (CONFIG_REVISION_TAG) static void setup_start_tag (bd_t *bd); # ifdef CONFIG_SETUP_MEMORY_TAGS @@ -49,14 +47,10 @@ static void setup_initrd_tag (bd_t *bd, ulong initrd_start, # endif static void setup_end_tag (bd_t *bd); -# if defined (CONFIG_VFD) || defined (CONFIG_LCD) -static void setup_videolfb_tag (gd_t *gd); -# endif - static struct tag *params; #endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images) { bd_t *bd = gd->bd; char *s; @@ -87,9 +81,7 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) defined (CONFIG_CMDLINE_TAG) || \ defined (CONFIG_INITRD_TAG) || \ defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_LCD) || \ - defined (CONFIG_VFD) + defined (CONFIG_REVISION_TAG) setup_start_tag (bd); #ifdef CONFIG_SERIAL_TAG setup_serial_tag (¶ms); @@ -107,9 +99,6 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) if (images->rd_start && images->rd_end) setup_initrd_tag (bd, images->rd_start, images->rd_end); #endif -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) - setup_videolfb_tag ((gd_t *) gd); -#endif setup_end_tag (bd); #endif @@ -136,9 +125,7 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) defined (CONFIG_CMDLINE_TAG) || \ defined (CONFIG_INITRD_TAG) || \ defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_LCD) || \ - defined (CONFIG_VFD) + defined (CONFIG_REVISION_TAG) static void setup_start_tag (bd_t *bd) { params = (struct tag *) bd->bi_boot_params; @@ -214,30 +201,6 @@ static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end) } #endif /* CONFIG_INITRD_TAG */ - -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) -extern ulong calc_fbsize (void); -static void setup_videolfb_tag (gd_t *gd) -{ - /* An ATAG_VIDEOLFB node tells the kernel where and how large - * the framebuffer for video was allocated (among other things). - * Note that a _physical_ address is passed ! - * - * We only use it to pass the address and size, the other entries - * in the tag_videolfb are not of interest. - */ - params->hdr.tag = ATAG_VIDEOLFB; - params->hdr.size = tag_size (tag_videolfb); - - params->u.videolfb.lfb_base = (u32) gd->fb_base; - /* Fb size is calculated according to parameters for our panel - */ - params->u.videolfb.lfb_size = calc_fbsize(); - - params = tag_next (params); -} -#endif /* CONFIG_VFD || CONFIG_LCD */ - #ifdef CONFIG_SERIAL_TAG void setup_serial_tag (struct tag **tmp) { diff --git a/arch/arm/lib/reset.c b/arch/arm/lib/reset.c index 4fcedfa..08e6acb 100644 --- a/arch/arm/lib/reset.c +++ b/arch/arm/lib/reset.c @@ -39,7 +39,7 @@ #include <common.h> -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { puts ("resetting ...\n"); |