[U-Boot] [PATCH v4 1/7] arm: Add Support for Marvell ARMADA 100 Familiy SoCs
Eric Miao
eric.y.miao at gmail.com
Wed Dec 8 03:32:40 CET 2010
On Wed, Dec 8, 2010 at 1:06 AM, Prafulla Wadaskar <prafulla at marvell.com> wrote:
> ARMADA 100 Family processors are highly integrated SoCs
> based on Sheeva_88SV331x-v5 PJ1 cpu core.
> Ref: http://www.marvell.com/products/processors/applications/armada_100
>
> SoC versions Supported:
> 1) ARMADA168/88AP168 (Aspen P)
> 2) ARMADA166/88AP166 (Aspen M)
> 3) ARMADA162/88AP162 (Aspen L)
>
> Contributors:
> Eric Miao <eric.y.miao at marvell.com>
<eric.miao at marvell.com>
Or
<eric.y.miao at gmail.com>
Actually I have little contribution to this, // red face.
The patch below seems quite good. I'll be glad to see this be
upstreamed in the u-boot tree.
> Lei Wen <leiwen at marvell.com>
> Mahavir Jain <mjain at marvell.com>
>
> Signed-off-by: Mahavir Jain <mjain at marvell.com>
> Signed-off-by: Prafulla Wadaskar <prafulla at marvell.com>
> ---
> Change log V2:
> 1. C-struct used for dram.c
> 2. lib declaration changed from .a to .o
> 3. Implemented review feedback for v1
>
> Changelog V3:
> 1. timer variables in gt_t used insted of locally defined global variables
> 2. register global pointer moved to respective functions
> 3. Macro READ_TIMER converted to function read_timer()
> 4. c-struc in armada100.h fixed for wrong padding
>
> Changelog V4:
> 1. timer.c updated for build warning
>
> arch/arm/cpu/arm926ejs/armada100/Makefile | 46 +++++
> arch/arm/cpu/arm926ejs/armada100/cpu.c | 92 ++++++++++
> arch/arm/cpu/arm926ejs/armada100/dram.c | 131 ++++++++++++++
> arch/arm/cpu/arm926ejs/armada100/timer.c | 207 +++++++++++++++++++++++
> arch/arm/include/asm/arch-armada100/armada100.h | 121 +++++++++++++
> arch/arm/include/asm/arch-armada100/cpu.h | 53 ++++++
> 6 files changed, 650 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/cpu/arm926ejs/armada100/Makefile
> create mode 100644 arch/arm/cpu/arm926ejs/armada100/cpu.c
> create mode 100644 arch/arm/cpu/arm926ejs/armada100/dram.c
> create mode 100644 arch/arm/cpu/arm926ejs/armada100/timer.c
> create mode 100644 arch/arm/include/asm/arch-armada100/armada100.h
> create mode 100644 arch/arm/include/asm/arch-armada100/cpu.h
>
> 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 at 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 at marvell.com>
> + * Contributor: Mahavir Jain <mjain at 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 at marvell.com>,
> + * Contributor: Mahavir Jain <mjain at 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 at marvell.com>
> + * Contributor: Mahavir Jain <mjain at 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 at marvell.com>
> + * Contributor: Mahavir Jain <mjain at 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 at marvell.com>, Contributor: Mahavir Jain <mjain at 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 */
> --
> 1.5.3.4
>
>
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