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Initial support for Marvell Orion5x SoC

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This patch adds support for the Marvell Orion5x SoC.
It has no use alone, and must be followed by a patch
to add Orion5x support for serial, then support for
the ED Mini V2, an Orion5x-based product from LaCie.

Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
This commit is contained in:
Albert Aribaud 2010-06-17 19:36:07 +05:30 committed by Prafulla Wadaskar
parent 376e7fadba
commit 0c61e6f925
8 changed files with 1175 additions and 0 deletions
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55
arch/arm/cpu/arm926ejs/orion5x/Makefile Normal file
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#
# 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
#########################################################################

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arch/arm/cpu/arm926ejs/orion5x/cpu.c Normal file
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/*
* 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_MPP_BASE+0x00, ORION5X_MPP0_7);
writel(ORION5X_MPP_BASE+0x04, ORION5X_MPP8_15);
writel(ORION5X_MPP_BASE+0x50, ORION5X_MPP16_23);
writel(ORION5X_GPIO_BASE+0x04, ORION5X_GPIO_OUT_ENABLE);
return 0;
}
#endif /* CONFIG_ARCH_MISC_INIT */

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arch/arm/cpu/arm926ejs/orion5x/dram.c Normal file
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/*
* 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;
}

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arch/arm/cpu/arm926ejs/orion5x/lowlevel_init.S Normal file
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/*
* 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

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arch/arm/cpu/arm926ejs/orion5x/timer.c Normal file
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/*
* 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;
}

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/*
* 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 */

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/*
* 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 */

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/*
* 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 */