diff mbox

[U-Boot,1/3] stv0991 : Add basic stv0991 architecture support.

Message ID 1408736604-19904-2-git-send-email-vikas.manocha@st.com
State Superseded
Delegated to: Albert ARIBAUD
Headers show

Commit Message

Vikas MANOCHA Aug. 22, 2014, 7:43 p.m. UTC
stv0991 architecture support added. It contains the support for
following blocks
- Timer
- uart

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
---
 arch/arm/Kconfig                                   |    4 +
 arch/arm/cpu/armv7/stv0991/Makefile                |    9 ++
 arch/arm/cpu/armv7/stv0991/clock.c                 |   20 +++
 arch/arm/cpu/armv7/stv0991/lowlevel.S              |   12 ++
 arch/arm/cpu/armv7/stv0991/pinmux.c                |   41 +++++++
 arch/arm/cpu/armv7/stv0991/reset.c                 |   42 +++++++
 arch/arm/cpu/armv7/stv0991/timer.c                 |  129 ++++++++++++++++++++
 arch/arm/include/asm/arch-stv0991/hardware.h       |   73 +++++++++++
 arch/arm/include/asm/arch-stv0991/stv0991_cgu.h    |   80 ++++++++++++
 arch/arm/include/asm/arch-stv0991/stv0991_creg.h   |   82 +++++++++++++
 arch/arm/include/asm/arch-stv0991/stv0991_defs.h   |   16 +++
 arch/arm/include/asm/arch-stv0991/stv0991_gpt.h    |   43 +++++++
 arch/arm/include/asm/arch-stv0991/stv0991_periph.h |   59 +++++++++
 arch/arm/include/asm/arch-stv0991/stv0991_wdru.h   |   28 +++++
 board/st/stv0991/Kconfig                           |   23 ++++
 board/st/stv0991/Makefile                          |    8 ++
 board/st/stv0991/stv0991.c                         |   54 ++++++++
 configs/stv0991_defconfig                          |    3 +
 include/configs/stv0991.h                          |   58 +++++++++
 19 files changed, 784 insertions(+)
 create mode 100644 arch/arm/cpu/armv7/stv0991/Makefile
 create mode 100644 arch/arm/cpu/armv7/stv0991/clock.c
 create mode 100644 arch/arm/cpu/armv7/stv0991/lowlevel.S
 create mode 100644 arch/arm/cpu/armv7/stv0991/pinmux.c
 create mode 100644 arch/arm/cpu/armv7/stv0991/reset.c
 create mode 100644 arch/arm/cpu/armv7/stv0991/timer.c
 create mode 100644 arch/arm/include/asm/arch-stv0991/hardware.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_creg.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_defs.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_periph.h
 create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
 create mode 100644 board/st/stv0991/Kconfig
 create mode 100644 board/st/stv0991/Makefile
 create mode 100644 board/st/stv0991/stv0991.c
 create mode 100644 configs/stv0991_defconfig
 create mode 100644 include/configs/stv0991.h

Comments

Nobuhiro Iwamatsu Aug. 26, 2014, 1:47 a.m. UTC | #1
Hi,


2014-08-23 4:43 GMT+09:00 Vikas Manocha <vikas.manocha@st.com>:
> stv0991 architecture support added. It contains the support for
> following blocks
> - Timer
> - uart
>
> Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
> ---
>  arch/arm/Kconfig                                   |    4 +
>  arch/arm/cpu/armv7/stv0991/Makefile                |    9 ++
>  arch/arm/cpu/armv7/stv0991/clock.c                 |   20 +++
>  arch/arm/cpu/armv7/stv0991/lowlevel.S              |   12 ++
>  arch/arm/cpu/armv7/stv0991/pinmux.c                |   41 +++++++
>  arch/arm/cpu/armv7/stv0991/reset.c                 |   42 +++++++
>  arch/arm/cpu/armv7/stv0991/timer.c                 |  129 ++++++++++++++++++++
>  arch/arm/include/asm/arch-stv0991/hardware.h       |   73 +++++++++++
>  arch/arm/include/asm/arch-stv0991/stv0991_cgu.h    |   80 ++++++++++++
>  arch/arm/include/asm/arch-stv0991/stv0991_creg.h   |   82 +++++++++++++
>  arch/arm/include/asm/arch-stv0991/stv0991_defs.h   |   16 +++
>  arch/arm/include/asm/arch-stv0991/stv0991_gpt.h    |   43 +++++++
>  arch/arm/include/asm/arch-stv0991/stv0991_periph.h |   59 +++++++++
>  arch/arm/include/asm/arch-stv0991/stv0991_wdru.h   |   28 +++++
>  board/st/stv0991/Kconfig                           |   23 ++++
>  board/st/stv0991/Makefile                          |    8 ++
>  board/st/stv0991/stv0991.c                         |   54 ++++++++
>  configs/stv0991_defconfig                          |    3 +
>  include/configs/stv0991.h                          |   58 +++++++++
>  19 files changed, 784 insertions(+)
>  create mode 100644 arch/arm/cpu/armv7/stv0991/Makefile
>  create mode 100644 arch/arm/cpu/armv7/stv0991/clock.c
>  create mode 100644 arch/arm/cpu/armv7/stv0991/lowlevel.S
>  create mode 100644 arch/arm/cpu/armv7/stv0991/pinmux.c
>  create mode 100644 arch/arm/cpu/armv7/stv0991/reset.c
>  create mode 100644 arch/arm/cpu/armv7/stv0991/timer.c
>  create mode 100644 arch/arm/include/asm/arch-stv0991/hardware.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_creg.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_defs.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_periph.h
>  create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
>  create mode 100644 board/st/stv0991/Kconfig
>  create mode 100644 board/st/stv0991/Makefile
>  create mode 100644 board/st/stv0991/stv0991.c
>  create mode 100644 configs/stv0991_defconfig
>  create mode 100644 include/configs/stv0991.h
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index e385eda..cc81eb8 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -305,6 +305,9 @@ config TARGET_SPEAR310
>  config TARGET_SPEAR320
>         bool "Support spear320"
>
> +config TARGET_STV0991
> +       bool "Support stv0991"
> +
>  config TARGET_SPEAR600
>         bool "Support spear600"
>
> @@ -958,6 +961,7 @@ source "board/solidrun/hummingboard/Kconfig"
>  source "board/spear/spear300/Kconfig"
>  source "board/spear/spear310/Kconfig"
>  source "board/spear/spear320/Kconfig"
> +source "board/st/stv0991/Kconfig"

Please sort.

I think that this should be added after "source "board/spear/x600/Kconfig".

>  source "board/spear/spear600/Kconfig"
>  source "board/spear/x600/Kconfig"
>  source "board/st-ericsson/snowball/Kconfig"
> diff --git a/arch/arm/cpu/armv7/stv0991/Makefile b/arch/arm/cpu/armv7/stv0991/Makefile
> new file mode 100644
> index 0000000..95641d3
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/Makefile
> @@ -0,0 +1,9 @@
> +#
> +# (C) Copyright 2014
> +# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
> +#
> +# SPDX-License-Identifier:     GPL-2.0+
> +#
> +
> +obj-y  := timer.o clock.o pinmux.o reset.o
> +obj-y  += lowlevel.o
> diff --git a/arch/arm/cpu/armv7/stv0991/clock.c b/arch/arm/cpu/armv7/stv0991/clock.c
> new file mode 100644
> index 0000000..625ae64
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/clock.c
> @@ -0,0 +1,20 @@
> +#include <asm/io.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/stv0991_cgu.h>
> +#include<asm/arch/stv0991_periph.h>
> +
> +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
> +                               (struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
> +
> +void clock_setup(int peripheral)
> +{
> +       switch (peripheral) {
> +       case UART_CLOCK_CFG:
> +               writel(UART_CLK_CFG, &stv0991_cgu_regs->uart_freq);
> +               break;
> +       case ETH_CLOCK_CFG:
> +               break;
> +       default:
> +               break;
> +       }
> +}
> diff --git a/arch/arm/cpu/armv7/stv0991/lowlevel.S b/arch/arm/cpu/armv7/stv0991/lowlevel.S
> new file mode 100644
> index 0000000..6dafba3
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/lowlevel.S
> @@ -0,0 +1,12 @@
> +/*
> + * (C) Copyright 2014 stmicroelectronics
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#include <config.h>
> +#include <linux/linkage.h>
> +
> +ENTRY(lowlevel_init)
> +       mov     pc, lr
> +ENDPROC(lowlevel_init)
> diff --git a/arch/arm/cpu/armv7/stv0991/pinmux.c b/arch/arm/cpu/armv7/stv0991/pinmux.c
> new file mode 100644
> index 0000000..87997b7
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/pinmux.c
> @@ -0,0 +1,41 @@
> +#include <asm/io.h>
> +#include <asm/arch/stv0991_creg.h>
> +#include <asm/arch/stv0991_periph.h>
> +#include <asm/arch/hardware.h>
> +
> +static struct stv0991_creg *const stv0991_creg = \
> +                       (struct stv0991_creg *)CREG_BASE_ADDR;
> +
> +int stv0991_pinmux_config(int peripheral)
> +{
> +       switch (peripheral) {
> +       case UART_GPIOC_30_31:
> +               /* SSDA/SSCL pad muxing to UART Rx/Dx */
> +               writel((readl(&stv0991_creg->mux12) & GPIOC_31_MUX_MASK) |
> +                               CFG_GPIOC_31_UART_RX,
> +                               &stv0991_creg->mux12);
> +               writel((readl(&stv0991_creg->mux12) & GPIOC_30_MUX_MASK) |
> +                               CFG_GPIOC_30_UART_TX,
> +                               &stv0991_creg->mux12);
> +               /* SSDA/SSCL pad config to push pull*/
> +               writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_31_MODE_MASK) |
> +                               CFG_GPIOC_31_MODE_PP,
> +                               &stv0991_creg->cfg_pad6);
> +               writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_30_MODE_MASK) |
> +                               CFG_GPIOC_30_MODE_HIGH,
> +                               &stv0991_creg->cfg_pad6);
> +               break;
> +       case UART_GPIOB_16_17:
> +               /* ethernet rx_6/7 to UART Rx/Dx */
> +               writel((readl(&stv0991_creg->mux7) & GPIOB_17_MUX_MASK) |
> +                               CFG_GPIOB_17_UART_RX,
> +                               &stv0991_creg->mux7);
> +               writel((readl(&stv0991_creg->mux7) & GPIOB_16_MUX_MASK) |
> +                               CFG_GPIOB_16_UART_TX,
> +                               &stv0991_creg->mux7);
> +               break;
> +       default:
> +               break;
> +       }
> +       return 0;
> +}
> diff --git a/arch/arm/cpu/armv7/stv0991/reset.c b/arch/arm/cpu/armv7/stv0991/reset.c
> new file mode 100644
> index 0000000..73f2a28
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/reset.c
> @@ -0,0 +1,42 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */

Please use SPDX-License-Identifier.

> +

> +#include <common.h>
> +#include <asm/io.h>
> +#include <asm/arch/stv0991_wdru.h>
> +void reset_cpu(ulong ignored)
> +{
> +       printf("System is going to reboot ...\n");

Please use puts().

> +       /*
> +        * This 1 second delay will allow the above message
> +        * to be printed before reset
> +        */
> +       udelay((1000 * 1000));
> +
> +       /* Setting bit 1 of the WDRU unit will reset the SoC */
> +       writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
> +
> +       /* system will restart */
> +       while (1)
> +               ;
> +}
> diff --git a/arch/arm/cpu/armv7/stv0991/timer.c b/arch/arm/cpu/armv7/stv0991/timer.c
> new file mode 100644
> index 0000000..219f593
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/timer.c
> @@ -0,0 +1,129 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */

Please use SPDX-License-Identifier.

> +#include <common.h>
> +#include <asm/io.h>
> +#include <asm/arch-stv0991/hardware.h>
> +#include <asm/arch-stv0991/stv0991_cgu.h>
> +#include <asm/arch-stv0991/stv0991_gpt.h>
> +
> +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
> +                               (struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
> +
> +#define READ_TIMER()   (readl(&gpt1_regs_ptr->cnt) & GPT_FREE_RUNNING)
> +#define GPT_RESOLUTION (CONFIG_STV0991_HZ_CLOCK / CONFIG_STV0991_HZ)
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#define timestamp gd->arch.tbl
> +#define lastdec gd->arch.lastinc
> +
> +int timer_init(void)
> +{
> +       /* Timer1 clock configuration */
> +       writel(TIMER1_CLK_CFG, &stv0991_cgu_regs->tim_freq);
> +       writel(readl(&stv0991_cgu_regs->cgu_enable_2) |
> +                       TIMER1_CLK_EN, &stv0991_cgu_regs->cgu_enable_2);
> +
> +       /* Stop the timer */
> +       writel(readl(&gpt1_regs_ptr->cr1) & ~GPT_CR1_CEN, &gpt1_regs_ptr->cr1);
> +       writel(GPT_PRESCALER_128, &gpt1_regs_ptr->psc);
> +       /* Configure timer for auto-reload */
> +       writel(readl(&gpt1_regs_ptr->cr1) | GPT_MODE_AUTO_RELOAD,
> +                       &gpt1_regs_ptr->cr1);
> +
> +       /* load value for free running */
> +       writel(GPT_FREE_RUNNING, &gpt1_regs_ptr->arr);
> +
> +       /* start timer */
> +       writel(readl(&gpt1_regs_ptr->cr1) | GPT_CR1_CEN,
> +                       &gpt1_regs_ptr->cr1);
> +
> +       /* Reset the timer */
> +       lastdec = READ_TIMER();
> +       timestamp = 0;
> +
> +       return 0;
> +}
> +
> +/*
> + * timer without interrupts
> + */
> +ulong get_timer(ulong base)
> +{
> +       return (get_timer_masked() / GPT_RESOLUTION) - base;
> +}
> +
> +void __udelay(unsigned long usec)
> +{
> +       ulong tmo;
> +       ulong start = get_timer_masked();
> +       ulong tenudelcnt = CONFIG_STV0991_HZ_CLOCK / (1000 * 100);
> +       ulong rndoff;
> +
> +       rndoff = (usec % 10) ? 1 : 0;
> +
> +       /* tenudelcnt timer tick gives 10 microsecconds delay */
> +       tmo = ((usec / 10) + rndoff) * tenudelcnt;
> +
> +       while ((ulong) (get_timer_masked() - start) < tmo)
> +               ;
> +}
> +
> +ulong get_timer_masked(void)
> +{
> +       ulong now = READ_TIMER();
> +
> +       if (now >= lastdec) {
> +               /* normal mode */
> +               timestamp += now - lastdec;
> +       } else {
> +               /* we have an overflow ... */
> +               timestamp += now + GPT_FREE_RUNNING - lastdec;
> +       }
> +       lastdec = now;
> +
> +       return timestamp;
> +}
> +
> +void udelay_masked(unsigned long usec)
> +{
> +       return udelay(usec);
> +}
> +
> +/*
> + * This function is derived from PowerPC code (read timebase as long long).
> + * On ARM it just returns the timer value.
> + */
> +unsigned long long get_ticks(void)
> +{
> +       return get_timer(0);
> +}
> +
> +/*
> + * This function is derived from PowerPC code (timebase clock frequency).
> + * On ARM it returns the number of timer ticks per second.
> + */
> +ulong get_tbclk(void)
> +{
> +       return CONFIG_STV0991_HZ;
> +}
> diff --git a/arch/arm/include/asm/arch-stv0991/hardware.h b/arch/arm/include/asm/arch-stv0991/hardware.h
> new file mode 100644
> index 0000000..3f6bcaf
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/hardware.h
> @@ -0,0 +1,73 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef _ASM_ARCH_HARDWARE_H
> +#define _ASM_ARCH_HARDWARE_H
> +
> +/* STV0991 */
> +#define SRAM0_BASE_ADDR                          0x00000000UL
> +#define SRAM1_BASE_ADDR                          0x00068000UL
> +#define SRAM2_BASE_ADDR                          0x000D0000UL
> +#define SRAM3_BASE_ADDR                          0x00138000UL
> +#define CFS_SRAM0_BASE_ADDR                      0x00198000UL
> +#define CFS_SRAM1_BASE_ADDR                      0x001B8000UL
> +#define FAST_SRAM_BASE_ADDR                      0x001D8000UL
> +#define FLASH_BASE_ADDR                          0x40000000UL
> +#define PL310_BASE_ADDR                          0x70000000UL
> +#define HSAXIM_BASE_ADDR                         0x70100000UL
> +#define IMGSS_BASE_ADDR                          0x70200000UL
> +#define ADC_BASE_ADDR                            0x80000000UL
> +#define GPIOA_BASE_ADDR                          0x80001000UL
> +#define GPIOB_BASE_ADDR                          0x80002000UL
> +#define GPIOC_BASE_ADDR                          0x80003000UL
> +#define HDM_BASE_ADDR                            0x80004000UL
> +#define THSENS_BASE_ADDR                         0x80200000UL
> +#define GPTIMER2_BASE_ADDR                       0x80201000UL
> +#define GPTIMER1_BASE_ADDR                       0x80202000UL
> +#define QSPI_BASE_ADDR                           0x80203000UL
> +#define CGU_BASE_ADDR                            0x80204000UL
> +#define CREG_BASE_ADDR                           0x80205000UL
> +#define PEC_BASE_ADDR                            0x80206000UL
> +#define WDRU_BASE_ADDR                           0x80207000UL
> +#define BSEC_BASE_ADDR                           0x80208000UL
> +#define DAP_ROM_BASE_ADDR                        0x80210000UL
> +#define SOC_CTI_BASE_ADDR                        0x80211000UL
> +#define TPIU_BASE_ADDR                           0x80212000UL
> +#define TMC_ETF_BASE_ADDR                        0x80213000UL
> +#define R4_ETM_BASE_ADDR                         0x80214000UL
> +#define R4_CTI_BASE_ADDR                         0x80215000UL
> +#define R4_DBG_BASE_ADDR                         0x80216000UL
> +#define GMAC_BASE_ADDR                           0x80300000UL
> +#define RNSS_BASE_ADDR                           0x80302000UL
> +#define CRYP_BASE_ADDR                           0x80303000UL
> +#define HASH_BASE_ADDR                           0x80304000UL
> +#define GPDMA_BASE_ADDR                          0x80305000UL
> +#define ISA_BASE_ADDR                            0x8032A000UL
> +#define HCI_BASE_ADDR                            0x80400000UL
> +#define I2C1_BASE_ADDR                           0x80401000UL
> +#define I2C2_BASE_ADDR                           0x80402000UL
> +#define SAI_BASE_ADDR                            0x80403000UL
> +#define USI_BASE_ADDR                            0x80404000UL
> +#define SPI1_BASE_ADDR                           0x80405000UL
> +#define UART_BASE_ADDR                           0x80406000UL
> +#define SPI2_BASE_ADDR                           0x80500000UL
> +#define CAN_BASE_ADDR                            0x80501000UL
> +#define USART1_BASE_ADDR                         0x80502000UL
> +#define USART2_BASE_ADDR                         0x80503000UL
> +#define USART3_BASE_ADDR                         0x80504000UL
> +#define USART4_BASE_ADDR                         0x80505000UL
> +#define USART5_BASE_ADDR                         0x80506000UL
> +#define USART6_BASE_ADDR                         0x80507000UL
> +#define SDI2_BASE_ADDR                           0x80600000UL
> +#define SDI1_BASE_ADDR                           0x80601000UL
> +#define VICA_BASE_ADDR                           0x81000000UL
> +#define VICB_BASE_ADDR                           0x81001000UL
> +#define STM_CHANNELS_BASE_ADDR                   0x81100000UL
> +#define STM_BASE_ADDR                            0x81110000UL
> +#define SROM_BASE_ADDR                           0xFFFF0000UL
> +
> +#endif /* _ASM_ARCH_HARDWARE_H */
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
> new file mode 100644
> index 0000000..4926395
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
> @@ -0,0 +1,80 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef _STV0991_CGU_H
> +#define _STV0991_CGU_H
> +
> +struct stv0991_cgu_regs {
> +       u32 cpu_freq;           /* offset 0x0 */
> +       u32 icn2_freq;          /* offset 0x4 */
> +       u32 dma_freq;           /* offset 0x8 */
> +       u32 isp_freq;           /* offset 0xc */
> +       u32 h264_freq;          /* offset 0x10 */
> +       u32 osif_freq;          /* offset 0x14 */
> +       u32 ren_freq;           /* offset 0x18 */
> +       u32 tim_freq;           /* offset 0x1c */
> +       u32 sai_freq;           /* offset 0x20 */
> +       u32 eth_freq;           /* offset 0x24 */
> +       u32 i2c_freq;           /* offset 0x28 */
> +       u32 spi_freq;           /* offset 0x2c */
> +       u32 uart_freq;          /* offset 0x30 */
> +       u32 qspi_freq;          /* offset 0x34 */
> +       u32 sdio_freq;          /* offset 0x38 */
> +       u32 usi_freq;           /* offset 0x3c */
> +       u32 can_line_freq;      /* offset 0x40 */
> +       u32 debug_freq;         /* offset 0x44 */
> +       u32 trace_freq;         /* offset 0x48 */
> +       u32 stm_freq;           /* offset 0x4c */
> +       u32 eth_ctrl;           /* offset 0x50 */
> +       u32 reserved[3];        /* offset 0x54 */
> +       u32 osc_ctrl;           /* offset 0x60 */
> +       u32 pll1_ctrl;          /* offset 0x64 */
> +       u32 pll1_freq;          /* offset 0x68 */
> +       u32 pll1_fract;         /* offset 0x6c */
> +       u32 pll1_spread;        /* offset 0x70 */
> +       u32 pll1_status;        /* offset 0x74 */
> +       u32 pll2_ctrl;          /* offset 0x78 */
> +       u32 pll2_freq;          /* offset 0x7c */
> +       u32 pll2_fract;         /* offset 0x80 */
> +       u32 pll2_spread;        /* offset 0x84 */
> +       u32 pll2_status;        /* offset 0x88 */
> +       u32 cgu_enable_1;       /* offset 0x8c */
> +       u32 cgu_enable_2;       /* offset 0x90 */
> +       u32 cgu_isp_pulse;      /* offset 0x94 */
> +       u32 cgu_h264_pulse;     /* offset 0x98 */
> +       u32 cgu_osif_pulse;     /* offset 0x9c */
> +       u32 cgu_ren_pulse;      /* offset 0xa0 */
> +
> +};
> +
> +/* CGU Timer */
> +#define CLK_TMR_OSC                    0
> +#define CLK_TMR_MCLK                   1
> +#define CLK_TMR_PLL1                   2
> +#define CLK_TMR_PLL2                   3
> +#define MDIV_SHIFT_TMR                 3
> +#define DIV_SHIFT_TMR                  6
> +
> +#define TIMER1_CLK_CFG                 (0 << DIV_SHIFT_TMR \
> +                                       | 0 << MDIV_SHIFT_TMR | CLK_TMR_MCLK)
> +
> +/* Clock Enable/Disable */
> +
> +#define TIMER1_CLK_EN                  (1 << 15)
> +
> +/* CGU Uart config */
> +#define CLK_UART_MCLK                  0
> +#define CLK_UART_PLL1                  1
> +#define CLK_UART_PLL2                  2
> +
> +#define MDIV_SHIFT_UART                        3
> +#define DIV_SHIFT_UART                 6
> +
> +#define UART_CLK_CFG                   (4 << DIV_SHIFT_UART \
> +                                       | 1 << MDIV_SHIFT_UART | CLK_UART_MCLK)
> +
> +#endif
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_creg.h b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
> new file mode 100644
> index 0000000..045dbfe
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
> @@ -0,0 +1,82 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef _STV0991_CREG_H
> +#define _STV0991_CREG_H
> +
> +struct stv0991_creg {
> +       u32 version;            /* offset 0x0 */
> +       u32 hdpctl;             /* offset 0x4 */
> +       u32 hdpval;             /* offset 0x8 */
> +       u32 hdpgposet;          /* offset 0xc */
> +       u32 hdpgpoclr;          /* offset 0x10 */
> +       u32 hdpgpoval;          /* offset 0x14 */
> +       u32 stm_mux;            /* offset 0x18 */
> +       u32 sysctrl_1;          /* offset 0x1c */
> +       u32 sysctrl_2;          /* offset 0x20 */
> +       u32 sysctrl_3;          /* offset 0x24 */
> +       u32 sysctrl_4;          /* offset 0x28 */
> +       u32 reserved_1[0x35];   /* offset 0x2C-0xFC */
> +       u32 mux1;               /* offset 0x100 */
> +       u32 mux2;               /* offset 0x104 */
> +       u32 mux3;               /* offset 0x108 */
> +       u32 mux4;               /* offset 0x10c */
> +       u32 mux5;               /* offset 0x110 */
> +       u32 mux6;               /* offset 0x114 */
> +       u32 mux7;               /* offset 0x118 */
> +       u32 mux8;               /* offset 0x11c */
> +       u32 mux9;               /* offset 0x120 */
> +       u32 mux10;              /* offset 0x124 */
> +       u32 mux11;              /* offset 0x128 */
> +       u32 mux12;              /* offset 0x12c */
> +       u32 mux13;              /* offset 0x130 */
> +       u32 reserved_2[0x33];   /* offset 0x134-0x1FC */
> +       u32 cfg_pad1;           /* offset 0x200 */
> +       u32 cfg_pad2;           /* offset 0x204 */
> +       u32 cfg_pad3;           /* offset 0x208 */
> +       u32 cfg_pad4;           /* offset 0x20c */
> +       u32 cfg_pad5;           /* offset 0x210 */
> +       u32 cfg_pad6;           /* offset 0x214 */
> +       u32 cfg_pad7;           /* offset 0x218 */
> +       u32 reserved_3[0x39];   /* offset 0x21C-0x2FC */
> +       u32 vdd_pad1;           /* offset 0x300 */
> +       u32 vdd_pad2;           /* offset 0x304 */
> +       u32 reserved_4[0x3e];   /* offset 0x308-0x3FC */
> +       u32 vdd_comp1;          /* offset 0x400 */
> +};
> +
> +/* CREG MUX 12 register */
> +#define GPIOC_30_MUX_SHIFT     24
> +#define GPIOC_30_MUX_MASK      ~(1 << GPIOC_30_MUX_SHIFT)
> +#define CFG_GPIOC_30_UART_TX   (1 << GPIOC_30_MUX_SHIFT)
> +
> +#define GPIOC_31_MUX_SHIFT     28
> +#define GPIOC_31_MUX_MASK      ~(1 << GPIOC_31_MUX_SHIFT)
> +#define CFG_GPIOC_31_UART_RX   (1 << GPIOC_31_MUX_SHIFT)
> +
> +/* CREG MUX 7 register */
> +#define GPIOB_16_MUX_SHIFT     0
> +#define GPIOB_16_MUX_MASK      ~(1 << GPIOB_16_MUX_SHIFT)
> +#define CFG_GPIOB_16_UART_TX   (1 << GPIOB_16_MUX_SHIFT)
> +
> +#define GPIOB_17_MUX_SHIFT     4
> +#define GPIOB_17_MUX_MASK      ~(1 << GPIOB_17_MUX_SHIFT)
> +#define CFG_GPIOB_17_UART_RX   (1 << GPIOB_17_MUX_SHIFT)
> +
> +/* CREG CFG_PAD6 register */
> +
> +#define GPIOC_31_MODE_SHIFT    30
> +#define GPIOC_31_MODE_MASK     ~(1 << GPIOC_31_MODE_SHIFT)
> +#define CFG_GPIOC_31_MODE_OD   (0 << GPIOC_31_MODE_SHIFT)
> +#define CFG_GPIOC_31_MODE_PP   (1 << GPIOC_31_MODE_SHIFT)
> +
> +#define GPIOC_30_MODE_SHIFT    28
> +#define GPIOC_30_MODE_MASK     ~(1 << GPIOC_30_MODE_SHIFT)
> +#define CFG_GPIOC_30_MODE_LOW  (0 << GPIOC_30_MODE_SHIFT)
> +#define CFG_GPIOC_30_MODE_HIGH (1 << GPIOC_30_MODE_SHIFT)
> +
> +#endif
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_defs.h b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
> new file mode 100644
> index 0000000..1151378
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
> @@ -0,0 +1,16 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef __STV0991_DEFS_H__
> +#define __STV0991_DEFS_H__
> +#include <asm/arch/stv0991_periph.h>
> +
> +extern int stv0991_pinmux_config(enum periph_id);
> +extern int clock_setup(enum periph_clock);
> +
> +#endif
> +
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
> new file mode 100644
> index 0000000..abd7257
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
> @@ -0,0 +1,43 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef _STV0991_GPT_H
> +#define _STV0991_GPT_H
> +
> +#include <asm/arch-stv0991/hardware.h>
> +
> +struct gpt_regs {
> +       u32 cr1;
> +       u32 cr2;
> +       u32 reserved_1;
> +       u32 dier;       /* dma_int_en */
> +       u32 sr;         /* status reg */
> +       u32 egr;        /* event gen */
> +       u32 reserved_2[3];      /* offset 0x18--0x20*/
> +       u32 cnt;
> +       u32 psc;
> +       u32 arr;
> +};
> +
> +struct gpt_regs *const gpt1_regs_ptr =
> +       (struct gpt_regs *) GPTIMER1_BASE_ADDR;
> +
> +/* Timer control1 register  */
> +#define GPT_CR1_CEN                    0x0001
> +#define GPT_MODE_AUTO_RELOAD           (1 << 7)
> +
> +/* Timer prescalar reg */
> +#define GPT_PRESCALER_128              0x128
> +
> +/* Auto reload register for free running config */
> +#define GPT_FREE_RUNNING               0xFFFF
> +
> +/* Timer, HZ specific defines */
> +#define CONFIG_STV0991_HZ              1000
> +#define CONFIG_STV0991_HZ_CLOCK                (27*1000*1000)/GPT_PRESCALER_128
> +
> +#endif
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_periph.h b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
> new file mode 100644
> index 0000000..b91ede4
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
> @@ -0,0 +1,59 @@
> +/*
> + * Copyright (C) 2014 ST Microelectronics
> + * Vikas Manocha <vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */

Please use SPDX-License-Identifier.

> +
> +#ifndef __ASM_ARM_ARCH_PERIPH_H
> +#define __ASM_ARM_ARCH_PERIPH_H
> +
> +/*
> + * Peripherals required for pinmux configuration. List will
> + * grow with support for more devices getting added.
> + * Numbering based on interrupt table.
> + *
> + */
> +enum periph_id {
> +       UART_GPIOC_30_31 = 0,
> +       UART_GPIOB_16_17,
> +       PERIPH_ID_I2C0,
> +       PERIPH_ID_I2C1,
> +       PERIPH_ID_I2C2,
> +       PERIPH_ID_I2C3,
> +       PERIPH_ID_I2C4,
> +       PERIPH_ID_I2C5,
> +       PERIPH_ID_I2C6,
> +       PERIPH_ID_I2C7,
> +       PERIPH_ID_SPI0,
> +       PERIPH_ID_SPI1,
> +       PERIPH_ID_SPI2,
> +       PERIPH_ID_SDMMC0,
> +       PERIPH_ID_SDMMC1,
> +       PERIPH_ID_SDMMC2,
> +       PERIPH_ID_SDMMC3,
> +       PERIPH_ID_I2S1,
> +};
> +
> +enum periph_clock {
> +       UART_CLOCK_CFG = 0,
> +       ETH_CLOCK_CFG,
> +};
> +
> +#endif /* __ASM_ARM_ARCH_PERIPH_H */
> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
> new file mode 100644
> index 0000000..7e555a2
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
> @@ -0,0 +1,28 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef _STV0991_WD_RST_H
> +#define _STV0991_WD_RST_H
> +#include <asm/arch-stv0991/hardware.h>
> +
> +struct stv0991_wd_ru {
> +       u32 wdru_config;
> +       u32 wdru_ctrl1;
> +       u32 wdru_ctrl2;
> +       u32 wdru_tim;
> +       u32 wdru_count;
> +       u32 wdru_stat;
> +       u32 wdru_wrlock;
> +};
> +
> +struct stv0991_wd_ru *const stv0991_wd_ru_ptr = \
> +               (struct stv0991_wd_ru *)WDRU_BASE_ADDR;
> +
> +/* Watchdog control register */
> +#define WDRU_RST_SYS           0x1
> +
> +#endif
> diff --git a/board/st/stv0991/Kconfig b/board/st/stv0991/Kconfig
> new file mode 100644
> index 0000000..8bda349
> --- /dev/null
> +++ b/board/st/stv0991/Kconfig
> @@ -0,0 +1,23 @@
> +if TARGET_STV0991
> +
> +config SYS_CPU
> +       string
> +       default "armv7"
> +
> +config SYS_BOARD
> +       string
> +       default "stv0991"
> +
> +config SYS_VENDOR
> +       string
> +       default "st"
> +
> +config SYS_SOC
> +       string
> +       default "stv0991"
> +
> +config SYS_CONFIG_NAME
> +       string
> +       default "stv0991"
> +
> +endif
> diff --git a/board/st/stv0991/Makefile b/board/st/stv0991/Makefile
> new file mode 100644
> index 0000000..fb5169a
> --- /dev/null
> +++ b/board/st/stv0991/Makefile
> @@ -0,0 +1,8 @@
> +#
> +# (C) Copyright 2014
> +# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
> +#
> +# SPDX-License-Identifier:     GPL-2.0+
> +#
> +
> +obj-y  := stv0991.o
> diff --git a/board/st/stv0991/stv0991.c b/board/st/stv0991/stv0991.c
> new file mode 100644
> index 0000000..bdeb53c
> --- /dev/null
> +++ b/board/st/stv0991/stv0991.c
> @@ -0,0 +1,54 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <miiphy.h>
> +#include <asm/arch/stv0991_periph.h>
> +#include <asm/arch/stv0991_defs.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifdef CONFIG_SHOW_BOOT_PROGRESS
> +void show_boot_progress(int progress)
> +{
> +       printf("%i\n", progress);
> +}
> +#endif
> +
> +/*
> + * Miscellaneous platform dependent initialisations
> + */
> +int board_init(void)
> +{
> +       return 0;
> +}
> +
> +int board_uart_init(void)
> +{
> +       stv0991_pinmux_config(UART_GPIOC_30_31);
> +       clock_setup(UART_CLOCK_CFG);
> +       return 0;
> +}
> +#ifdef CONFIG_BOARD_EARLY_INIT_F
> +int board_early_init_f(void)
> +{
> +       board_uart_init();
> +       return 0;
> +}
> +#endif
> +
> +int dram_init(void)
> +{
> +       gd->ram_size = PHYS_SDRAM_1_SIZE;
> +       return 0;
> +}
> +
> +void dram_init_banksize(void)
> +{
> +       gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
> +       gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
> +}
> diff --git a/configs/stv0991_defconfig b/configs/stv0991_defconfig
> new file mode 100644
> index 0000000..a05e991
> --- /dev/null
> +++ b/configs/stv0991_defconfig
> @@ -0,0 +1,3 @@
> +CONFIG_SYS_EXTRA_OPTIONS="stv0991"
> +CONFIG_ARM=y
> +CONFIG_TARGET_STV0991=y
> diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
> new file mode 100644
> index 0000000..37cfa7a
> --- /dev/null
> +++ b/include/configs/stv0991.h
> @@ -0,0 +1,58 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef __CONFIG_STV0991_H
> +#define __CONFIG_STV0991_H
> +
> +#define CONFIG_SYS_DCACHE_OFF
> +#define CONFIG_SYS_ICACHE_OFF
> +#define CONFIG_SYS_EXCEPTION_VECTORS_HIGH
> +#define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_SYS_CORTEX_R4
> +
> +#define CONFIG_SYS_GENERIC_BOARD
> +#define CONFIG_SYS_NO_FLASH
> +
> +/* ram memory-related information */
> +#define CONFIG_NR_DRAM_BANKS                   1
> +#define PHYS_SDRAM_1                           0x00000000
> +#define CONFIG_SYS_SDRAM_BASE                  PHYS_SDRAM_1
> +#define PHYS_SDRAM_1_SIZE                      0x00198000
> +
> +#define CONFIG_ENV_SIZE                                0x10000
> +#define CONFIG_ENV_IS_IN_FLASH
> +#define CONFIG_ENV_ADDR                                \
> +       (PHYS_SDRAM_1_SIZE - CONFIG_ENV_SIZE)
> +#define CONFIG_SYS_MAXARGS                     16
> +#define CONFIG_SYS_MALLOC_LEN                  (CONFIG_ENV_SIZE + 16 * 1024)
> +
> +/* serial port (PL011) configuration */
> +#define CONFIG_SYS_SERIAL0                     0x80406000
> +#define CONFIG_PL011_SERIAL
> +#define CONFIG_CONS_INDEX                      1
> +#define CONFIG_BAUDRATE                                115200
> +#define CONFIG_PL01x_PORTS                     {(void *)CONFIG_SYS_SERIAL0}
> +#define CONFIG_PL011_CLOCK                     (2700 * 1000)
> +
> +/* user interface */
> +#define CONFIG_SYS_PROMPT                      "STV0991> "
> +#define CONFIG_SYS_CBSIZE                      256/* Console I/O Buffer Size */
> +#define CONFIG_SYS_PBSIZE                      (CONFIG_SYS_CBSIZE \
> +                                               +sizeof(CONFIG_SYS_PROMPT) + 16)
> +
> +/* MISC */
> +#define CONFIG_SYS_LOAD_ADDR                   0x00000000
> +#define CONFIG_SYS_INIT_RAM_SIZE               0x2000
> +#define CONFIG_SYS_INIT_RAM_ADDR               0x00190000
> +#define CONFIG_SYS_INIT_SP_OFFSET              \
> +       (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
> +/* U-boot Load Address */
> +#define CONFIG_SYS_TEXT_BASE                   0x00010000
> +#define CONFIG_SYS_INIT_SP_ADDR                        \
> +       (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
> +
> +#endif /* __CONFIG_H */
> --
> 1.7.9.5
>
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Vikas MANOCHA Aug. 28, 2014, 3:30 p.m. UTC | #2
Thanks Nobuhiro,

On 08/25/2014 06:47 PM, Nobuhiro Iwamatsu wrote:
> Hi,
>
>
> 2014-08-23 4:43 GMT+09:00 Vikas Manocha <vikas.manocha@st.com>:
>> stv0991 architecture support added. It contains the support for
>> following blocks
>> - Timer
>> - uart
>>
>> Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
>> ---
>>   arch/arm/Kconfig                                   |    4 +
>>   arch/arm/cpu/armv7/stv0991/Makefile                |    9 ++
>>   arch/arm/cpu/armv7/stv0991/clock.c                 |   20 +++
>>   arch/arm/cpu/armv7/stv0991/lowlevel.S              |   12 ++
>>   arch/arm/cpu/armv7/stv0991/pinmux.c                |   41 +++++++
>>   arch/arm/cpu/armv7/stv0991/reset.c                 |   42 +++++++
>>   arch/arm/cpu/armv7/stv0991/timer.c                 |  129 ++++++++++++++++++++
>>   arch/arm/include/asm/arch-stv0991/hardware.h       |   73 +++++++++++
>>   arch/arm/include/asm/arch-stv0991/stv0991_cgu.h    |   80 ++++++++++++
>>   arch/arm/include/asm/arch-stv0991/stv0991_creg.h   |   82 +++++++++++++
>>   arch/arm/include/asm/arch-stv0991/stv0991_defs.h   |   16 +++
>>   arch/arm/include/asm/arch-stv0991/stv0991_gpt.h    |   43 +++++++
>>   arch/arm/include/asm/arch-stv0991/stv0991_periph.h |   59 +++++++++
>>   arch/arm/include/asm/arch-stv0991/stv0991_wdru.h   |   28 +++++
>>   board/st/stv0991/Kconfig                           |   23 ++++
>>   board/st/stv0991/Makefile                          |    8 ++
>>   board/st/stv0991/stv0991.c                         |   54 ++++++++
>>   configs/stv0991_defconfig                          |    3 +
>>   include/configs/stv0991.h                          |   58 +++++++++
>>   19 files changed, 784 insertions(+)
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/Makefile
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/clock.c
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/lowlevel.S
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/pinmux.c
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/reset.c
>>   create mode 100644 arch/arm/cpu/armv7/stv0991/timer.c
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/hardware.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_creg.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_defs.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_periph.h
>>   create mode 100644 arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
>>   create mode 100644 board/st/stv0991/Kconfig
>>   create mode 100644 board/st/stv0991/Makefile
>>   create mode 100644 board/st/stv0991/stv0991.c
>>   create mode 100644 configs/stv0991_defconfig
>>   create mode 100644 include/configs/stv0991.h
>>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index e385eda..cc81eb8 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -305,6 +305,9 @@ config TARGET_SPEAR310
>>   config TARGET_SPEAR320
>>          bool "Support spear320"
>>
>> +config TARGET_STV0991
>> +       bool "Support stv0991"
>> +
>>   config TARGET_SPEAR600
>>          bool "Support spear600"
>>
>> @@ -958,6 +961,7 @@ source "board/solidrun/hummingboard/Kconfig"
>>   source "board/spear/spear300/Kconfig"
>>   source "board/spear/spear310/Kconfig"
>>   source "board/spear/spear320/Kconfig"
>> +source "board/st/stv0991/Kconfig"
> Please sort.
>
> I think that this should be added after "source "board/spear/x600/Kconfig".

I agree, I will sort & put it at proper place.

>
>>   source "board/spear/spear600/Kconfig"
>>   source "board/spear/x600/Kconfig"
>>   source "board/st-ericsson/snowball/Kconfig"
>> diff --git a/arch/arm/cpu/armv7/stv0991/Makefile b/arch/arm/cpu/armv7/stv0991/Makefile
>> new file mode 100644
>> index 0000000..95641d3
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/Makefile
>> @@ -0,0 +1,9 @@
>> +#
>> +# (C) Copyright 2014
>> +# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
>> +#
>> +# SPDX-License-Identifier:     GPL-2.0+
>> +#
>> +
>> +obj-y  := timer.o clock.o pinmux.o reset.o
>> +obj-y  += lowlevel.o
>> diff --git a/arch/arm/cpu/armv7/stv0991/clock.c b/arch/arm/cpu/armv7/stv0991/clock.c
>> new file mode 100644
>> index 0000000..625ae64
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/clock.c
>> @@ -0,0 +1,20 @@
>> +#include <asm/io.h>
>> +#include <asm/arch/hardware.h>
>> +#include <asm/arch/stv0991_cgu.h>
>> +#include<asm/arch/stv0991_periph.h>
>> +
>> +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
>> +                               (struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
>> +
>> +void clock_setup(int peripheral)
>> +{
>> +       switch (peripheral) {
>> +       case UART_CLOCK_CFG:
>> +               writel(UART_CLK_CFG, &stv0991_cgu_regs->uart_freq);
>> +               break;
>> +       case ETH_CLOCK_CFG:
>> +               break;
>> +       default:
>> +               break;
>> +       }
>> +}
>> diff --git a/arch/arm/cpu/armv7/stv0991/lowlevel.S b/arch/arm/cpu/armv7/stv0991/lowlevel.S
>> new file mode 100644
>> index 0000000..6dafba3
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/lowlevel.S
>> @@ -0,0 +1,12 @@
>> +/*
>> + * (C) Copyright 2014 stmicroelectronics
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#include <config.h>
>> +#include <linux/linkage.h>
>> +
>> +ENTRY(lowlevel_init)
>> +       mov     pc, lr
>> +ENDPROC(lowlevel_init)
>> diff --git a/arch/arm/cpu/armv7/stv0991/pinmux.c b/arch/arm/cpu/armv7/stv0991/pinmux.c
>> new file mode 100644
>> index 0000000..87997b7
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/pinmux.c
>> @@ -0,0 +1,41 @@
>> +#include <asm/io.h>
>> +#include <asm/arch/stv0991_creg.h>
>> +#include <asm/arch/stv0991_periph.h>
>> +#include <asm/arch/hardware.h>
>> +
>> +static struct stv0991_creg *const stv0991_creg = \
>> +                       (struct stv0991_creg *)CREG_BASE_ADDR;
>> +
>> +int stv0991_pinmux_config(int peripheral)
>> +{
>> +       switch (peripheral) {
>> +       case UART_GPIOC_30_31:
>> +               /* SSDA/SSCL pad muxing to UART Rx/Dx */
>> +               writel((readl(&stv0991_creg->mux12) & GPIOC_31_MUX_MASK) |
>> +                               CFG_GPIOC_31_UART_RX,
>> +                               &stv0991_creg->mux12);
>> +               writel((readl(&stv0991_creg->mux12) & GPIOC_30_MUX_MASK) |
>> +                               CFG_GPIOC_30_UART_TX,
>> +                               &stv0991_creg->mux12);
>> +               /* SSDA/SSCL pad config to push pull*/
>> +               writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_31_MODE_MASK) |
>> +                               CFG_GPIOC_31_MODE_PP,
>> +                               &stv0991_creg->cfg_pad6);
>> +               writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_30_MODE_MASK) |
>> +                               CFG_GPIOC_30_MODE_HIGH,
>> +                               &stv0991_creg->cfg_pad6);
>> +               break;
>> +       case UART_GPIOB_16_17:
>> +               /* ethernet rx_6/7 to UART Rx/Dx */
>> +               writel((readl(&stv0991_creg->mux7) & GPIOB_17_MUX_MASK) |
>> +                               CFG_GPIOB_17_UART_RX,
>> +                               &stv0991_creg->mux7);
>> +               writel((readl(&stv0991_creg->mux7) & GPIOB_16_MUX_MASK) |
>> +                               CFG_GPIOB_16_UART_TX,
>> +                               &stv0991_creg->mux7);
>> +               break;
>> +       default:
>> +               break;
>> +       }
>> +       return 0;
>> +}
>> diff --git a/arch/arm/cpu/armv7/stv0991/reset.c b/arch/arm/cpu/armv7/stv0991/reset.c
>> new file mode 100644
>> index 0000000..73f2a28
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/reset.c
>> @@ -0,0 +1,42 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
>> + * MA 02111-1307 USA
>> + */
> Please use SPDX-License-Identifier.

ok.

>
>> +
>> +#include <common.h>
>> +#include <asm/io.h>
>> +#include <asm/arch/stv0991_wdru.h>
>> +void reset_cpu(ulong ignored)
>> +{
>> +       printf("System is going to reboot ...\n");
> Please use puts().

ok.

>
>> +       /*
>> +        * This 1 second delay will allow the above message
>> +        * to be printed before reset
>> +        */
>> +       udelay((1000 * 1000));
>> +
>> +       /* Setting bit 1 of the WDRU unit will reset the SoC */
>> +       writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
>> +
>> +       /* system will restart */
>> +       while (1)
>> +               ;
>> +}
>> diff --git a/arch/arm/cpu/armv7/stv0991/timer.c b/arch/arm/cpu/armv7/stv0991/timer.c
>> new file mode 100644
>> index 0000000..219f593
>> --- /dev/null
>> +++ b/arch/arm/cpu/armv7/stv0991/timer.c
>> @@ -0,0 +1,129 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
>> + * MA 02111-1307 USA
>> + */
> Please use SPDX-License-Identifier.

ok.

Rgds,
Vikas

>
>> +#include <common.h>
>> +#include <asm/io.h>
>> +#include <asm/arch-stv0991/hardware.h>
>> +#include <asm/arch-stv0991/stv0991_cgu.h>
>> +#include <asm/arch-stv0991/stv0991_gpt.h>
>> +
>> +static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
>> +                               (struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
>> +
>> +#define READ_TIMER()   (readl(&gpt1_regs_ptr->cnt) & GPT_FREE_RUNNING)
>> +#define GPT_RESOLUTION (CONFIG_STV0991_HZ_CLOCK / CONFIG_STV0991_HZ)
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +#define timestamp gd->arch.tbl
>> +#define lastdec gd->arch.lastinc
>> +
>> +int timer_init(void)
>> +{
>> +       /* Timer1 clock configuration */
>> +       writel(TIMER1_CLK_CFG, &stv0991_cgu_regs->tim_freq);
>> +       writel(readl(&stv0991_cgu_regs->cgu_enable_2) |
>> +                       TIMER1_CLK_EN, &stv0991_cgu_regs->cgu_enable_2);
>> +
>> +       /* Stop the timer */
>> +       writel(readl(&gpt1_regs_ptr->cr1) & ~GPT_CR1_CEN, &gpt1_regs_ptr->cr1);
>> +       writel(GPT_PRESCALER_128, &gpt1_regs_ptr->psc);
>> +       /* Configure timer for auto-reload */
>> +       writel(readl(&gpt1_regs_ptr->cr1) | GPT_MODE_AUTO_RELOAD,
>> +                       &gpt1_regs_ptr->cr1);
>> +
>> +       /* load value for free running */
>> +       writel(GPT_FREE_RUNNING, &gpt1_regs_ptr->arr);
>> +
>> +       /* start timer */
>> +       writel(readl(&gpt1_regs_ptr->cr1) | GPT_CR1_CEN,
>> +                       &gpt1_regs_ptr->cr1);
>> +
>> +       /* Reset the timer */
>> +       lastdec = READ_TIMER();
>> +       timestamp = 0;
>> +
>> +       return 0;
>> +}
>> +
>> +/*
>> + * timer without interrupts
>> + */
>> +ulong get_timer(ulong base)
>> +{
>> +       return (get_timer_masked() / GPT_RESOLUTION) - base;
>> +}
>> +
>> +void __udelay(unsigned long usec)
>> +{
>> +       ulong tmo;
>> +       ulong start = get_timer_masked();
>> +       ulong tenudelcnt = CONFIG_STV0991_HZ_CLOCK / (1000 * 100);
>> +       ulong rndoff;
>> +
>> +       rndoff = (usec % 10) ? 1 : 0;
>> +
>> +       /* tenudelcnt timer tick gives 10 microsecconds delay */
>> +       tmo = ((usec / 10) + rndoff) * tenudelcnt;
>> +
>> +       while ((ulong) (get_timer_masked() - start) < tmo)
>> +               ;
>> +}
>> +
>> +ulong get_timer_masked(void)
>> +{
>> +       ulong now = READ_TIMER();
>> +
>> +       if (now >= lastdec) {
>> +               /* normal mode */
>> +               timestamp += now - lastdec;
>> +       } else {
>> +               /* we have an overflow ... */
>> +               timestamp += now + GPT_FREE_RUNNING - lastdec;
>> +       }
>> +       lastdec = now;
>> +
>> +       return timestamp;
>> +}
>> +
>> +void udelay_masked(unsigned long usec)
>> +{
>> +       return udelay(usec);
>> +}
>> +
>> +/*
>> + * This function is derived from PowerPC code (read timebase as long long).
>> + * On ARM it just returns the timer value.
>> + */
>> +unsigned long long get_ticks(void)
>> +{
>> +       return get_timer(0);
>> +}
>> +
>> +/*
>> + * This function is derived from PowerPC code (timebase clock frequency).
>> + * On ARM it returns the number of timer ticks per second.
>> + */
>> +ulong get_tbclk(void)
>> +{
>> +       return CONFIG_STV0991_HZ;
>> +}
>> diff --git a/arch/arm/include/asm/arch-stv0991/hardware.h b/arch/arm/include/asm/arch-stv0991/hardware.h
>> new file mode 100644
>> index 0000000..3f6bcaf
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/hardware.h
>> @@ -0,0 +1,73 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef _ASM_ARCH_HARDWARE_H
>> +#define _ASM_ARCH_HARDWARE_H
>> +
>> +/* STV0991 */
>> +#define SRAM0_BASE_ADDR                          0x00000000UL
>> +#define SRAM1_BASE_ADDR                          0x00068000UL
>> +#define SRAM2_BASE_ADDR                          0x000D0000UL
>> +#define SRAM3_BASE_ADDR                          0x00138000UL
>> +#define CFS_SRAM0_BASE_ADDR                      0x00198000UL
>> +#define CFS_SRAM1_BASE_ADDR                      0x001B8000UL
>> +#define FAST_SRAM_BASE_ADDR                      0x001D8000UL
>> +#define FLASH_BASE_ADDR                          0x40000000UL
>> +#define PL310_BASE_ADDR                          0x70000000UL
>> +#define HSAXIM_BASE_ADDR                         0x70100000UL
>> +#define IMGSS_BASE_ADDR                          0x70200000UL
>> +#define ADC_BASE_ADDR                            0x80000000UL
>> +#define GPIOA_BASE_ADDR                          0x80001000UL
>> +#define GPIOB_BASE_ADDR                          0x80002000UL
>> +#define GPIOC_BASE_ADDR                          0x80003000UL
>> +#define HDM_BASE_ADDR                            0x80004000UL
>> +#define THSENS_BASE_ADDR                         0x80200000UL
>> +#define GPTIMER2_BASE_ADDR                       0x80201000UL
>> +#define GPTIMER1_BASE_ADDR                       0x80202000UL
>> +#define QSPI_BASE_ADDR                           0x80203000UL
>> +#define CGU_BASE_ADDR                            0x80204000UL
>> +#define CREG_BASE_ADDR                           0x80205000UL
>> +#define PEC_BASE_ADDR                            0x80206000UL
>> +#define WDRU_BASE_ADDR                           0x80207000UL
>> +#define BSEC_BASE_ADDR                           0x80208000UL
>> +#define DAP_ROM_BASE_ADDR                        0x80210000UL
>> +#define SOC_CTI_BASE_ADDR                        0x80211000UL
>> +#define TPIU_BASE_ADDR                           0x80212000UL
>> +#define TMC_ETF_BASE_ADDR                        0x80213000UL
>> +#define R4_ETM_BASE_ADDR                         0x80214000UL
>> +#define R4_CTI_BASE_ADDR                         0x80215000UL
>> +#define R4_DBG_BASE_ADDR                         0x80216000UL
>> +#define GMAC_BASE_ADDR                           0x80300000UL
>> +#define RNSS_BASE_ADDR                           0x80302000UL
>> +#define CRYP_BASE_ADDR                           0x80303000UL
>> +#define HASH_BASE_ADDR                           0x80304000UL
>> +#define GPDMA_BASE_ADDR                          0x80305000UL
>> +#define ISA_BASE_ADDR                            0x8032A000UL
>> +#define HCI_BASE_ADDR                            0x80400000UL
>> +#define I2C1_BASE_ADDR                           0x80401000UL
>> +#define I2C2_BASE_ADDR                           0x80402000UL
>> +#define SAI_BASE_ADDR                            0x80403000UL
>> +#define USI_BASE_ADDR                            0x80404000UL
>> +#define SPI1_BASE_ADDR                           0x80405000UL
>> +#define UART_BASE_ADDR                           0x80406000UL
>> +#define SPI2_BASE_ADDR                           0x80500000UL
>> +#define CAN_BASE_ADDR                            0x80501000UL
>> +#define USART1_BASE_ADDR                         0x80502000UL
>> +#define USART2_BASE_ADDR                         0x80503000UL
>> +#define USART3_BASE_ADDR                         0x80504000UL
>> +#define USART4_BASE_ADDR                         0x80505000UL
>> +#define USART5_BASE_ADDR                         0x80506000UL
>> +#define USART6_BASE_ADDR                         0x80507000UL
>> +#define SDI2_BASE_ADDR                           0x80600000UL
>> +#define SDI1_BASE_ADDR                           0x80601000UL
>> +#define VICA_BASE_ADDR                           0x81000000UL
>> +#define VICB_BASE_ADDR                           0x81001000UL
>> +#define STM_CHANNELS_BASE_ADDR                   0x81100000UL
>> +#define STM_BASE_ADDR                            0x81110000UL
>> +#define SROM_BASE_ADDR                           0xFFFF0000UL
>> +
>> +#endif /* _ASM_ARCH_HARDWARE_H */
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
>> new file mode 100644
>> index 0000000..4926395
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
>> @@ -0,0 +1,80 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef _STV0991_CGU_H
>> +#define _STV0991_CGU_H
>> +
>> +struct stv0991_cgu_regs {
>> +       u32 cpu_freq;           /* offset 0x0 */
>> +       u32 icn2_freq;          /* offset 0x4 */
>> +       u32 dma_freq;           /* offset 0x8 */
>> +       u32 isp_freq;           /* offset 0xc */
>> +       u32 h264_freq;          /* offset 0x10 */
>> +       u32 osif_freq;          /* offset 0x14 */
>> +       u32 ren_freq;           /* offset 0x18 */
>> +       u32 tim_freq;           /* offset 0x1c */
>> +       u32 sai_freq;           /* offset 0x20 */
>> +       u32 eth_freq;           /* offset 0x24 */
>> +       u32 i2c_freq;           /* offset 0x28 */
>> +       u32 spi_freq;           /* offset 0x2c */
>> +       u32 uart_freq;          /* offset 0x30 */
>> +       u32 qspi_freq;          /* offset 0x34 */
>> +       u32 sdio_freq;          /* offset 0x38 */
>> +       u32 usi_freq;           /* offset 0x3c */
>> +       u32 can_line_freq;      /* offset 0x40 */
>> +       u32 debug_freq;         /* offset 0x44 */
>> +       u32 trace_freq;         /* offset 0x48 */
>> +       u32 stm_freq;           /* offset 0x4c */
>> +       u32 eth_ctrl;           /* offset 0x50 */
>> +       u32 reserved[3];        /* offset 0x54 */
>> +       u32 osc_ctrl;           /* offset 0x60 */
>> +       u32 pll1_ctrl;          /* offset 0x64 */
>> +       u32 pll1_freq;          /* offset 0x68 */
>> +       u32 pll1_fract;         /* offset 0x6c */
>> +       u32 pll1_spread;        /* offset 0x70 */
>> +       u32 pll1_status;        /* offset 0x74 */
>> +       u32 pll2_ctrl;          /* offset 0x78 */
>> +       u32 pll2_freq;          /* offset 0x7c */
>> +       u32 pll2_fract;         /* offset 0x80 */
>> +       u32 pll2_spread;        /* offset 0x84 */
>> +       u32 pll2_status;        /* offset 0x88 */
>> +       u32 cgu_enable_1;       /* offset 0x8c */
>> +       u32 cgu_enable_2;       /* offset 0x90 */
>> +       u32 cgu_isp_pulse;      /* offset 0x94 */
>> +       u32 cgu_h264_pulse;     /* offset 0x98 */
>> +       u32 cgu_osif_pulse;     /* offset 0x9c */
>> +       u32 cgu_ren_pulse;      /* offset 0xa0 */
>> +
>> +};
>> +
>> +/* CGU Timer */
>> +#define CLK_TMR_OSC                    0
>> +#define CLK_TMR_MCLK                   1
>> +#define CLK_TMR_PLL1                   2
>> +#define CLK_TMR_PLL2                   3
>> +#define MDIV_SHIFT_TMR                 3
>> +#define DIV_SHIFT_TMR                  6
>> +
>> +#define TIMER1_CLK_CFG                 (0 << DIV_SHIFT_TMR \
>> +                                       | 0 << MDIV_SHIFT_TMR | CLK_TMR_MCLK)
>> +
>> +/* Clock Enable/Disable */
>> +
>> +#define TIMER1_CLK_EN                  (1 << 15)
>> +
>> +/* CGU Uart config */
>> +#define CLK_UART_MCLK                  0
>> +#define CLK_UART_PLL1                  1
>> +#define CLK_UART_PLL2                  2
>> +
>> +#define MDIV_SHIFT_UART                        3
>> +#define DIV_SHIFT_UART                 6
>> +
>> +#define UART_CLK_CFG                   (4 << DIV_SHIFT_UART \
>> +                                       | 1 << MDIV_SHIFT_UART | CLK_UART_MCLK)
>> +
>> +#endif
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_creg.h b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
>> new file mode 100644
>> index 0000000..045dbfe
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
>> @@ -0,0 +1,82 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef _STV0991_CREG_H
>> +#define _STV0991_CREG_H
>> +
>> +struct stv0991_creg {
>> +       u32 version;            /* offset 0x0 */
>> +       u32 hdpctl;             /* offset 0x4 */
>> +       u32 hdpval;             /* offset 0x8 */
>> +       u32 hdpgposet;          /* offset 0xc */
>> +       u32 hdpgpoclr;          /* offset 0x10 */
>> +       u32 hdpgpoval;          /* offset 0x14 */
>> +       u32 stm_mux;            /* offset 0x18 */
>> +       u32 sysctrl_1;          /* offset 0x1c */
>> +       u32 sysctrl_2;          /* offset 0x20 */
>> +       u32 sysctrl_3;          /* offset 0x24 */
>> +       u32 sysctrl_4;          /* offset 0x28 */
>> +       u32 reserved_1[0x35];   /* offset 0x2C-0xFC */
>> +       u32 mux1;               /* offset 0x100 */
>> +       u32 mux2;               /* offset 0x104 */
>> +       u32 mux3;               /* offset 0x108 */
>> +       u32 mux4;               /* offset 0x10c */
>> +       u32 mux5;               /* offset 0x110 */
>> +       u32 mux6;               /* offset 0x114 */
>> +       u32 mux7;               /* offset 0x118 */
>> +       u32 mux8;               /* offset 0x11c */
>> +       u32 mux9;               /* offset 0x120 */
>> +       u32 mux10;              /* offset 0x124 */
>> +       u32 mux11;              /* offset 0x128 */
>> +       u32 mux12;              /* offset 0x12c */
>> +       u32 mux13;              /* offset 0x130 */
>> +       u32 reserved_2[0x33];   /* offset 0x134-0x1FC */
>> +       u32 cfg_pad1;           /* offset 0x200 */
>> +       u32 cfg_pad2;           /* offset 0x204 */
>> +       u32 cfg_pad3;           /* offset 0x208 */
>> +       u32 cfg_pad4;           /* offset 0x20c */
>> +       u32 cfg_pad5;           /* offset 0x210 */
>> +       u32 cfg_pad6;           /* offset 0x214 */
>> +       u32 cfg_pad7;           /* offset 0x218 */
>> +       u32 reserved_3[0x39];   /* offset 0x21C-0x2FC */
>> +       u32 vdd_pad1;           /* offset 0x300 */
>> +       u32 vdd_pad2;           /* offset 0x304 */
>> +       u32 reserved_4[0x3e];   /* offset 0x308-0x3FC */
>> +       u32 vdd_comp1;          /* offset 0x400 */
>> +};
>> +
>> +/* CREG MUX 12 register */
>> +#define GPIOC_30_MUX_SHIFT     24
>> +#define GPIOC_30_MUX_MASK      ~(1 << GPIOC_30_MUX_SHIFT)
>> +#define CFG_GPIOC_30_UART_TX   (1 << GPIOC_30_MUX_SHIFT)
>> +
>> +#define GPIOC_31_MUX_SHIFT     28
>> +#define GPIOC_31_MUX_MASK      ~(1 << GPIOC_31_MUX_SHIFT)
>> +#define CFG_GPIOC_31_UART_RX   (1 << GPIOC_31_MUX_SHIFT)
>> +
>> +/* CREG MUX 7 register */
>> +#define GPIOB_16_MUX_SHIFT     0
>> +#define GPIOB_16_MUX_MASK      ~(1 << GPIOB_16_MUX_SHIFT)
>> +#define CFG_GPIOB_16_UART_TX   (1 << GPIOB_16_MUX_SHIFT)
>> +
>> +#define GPIOB_17_MUX_SHIFT     4
>> +#define GPIOB_17_MUX_MASK      ~(1 << GPIOB_17_MUX_SHIFT)
>> +#define CFG_GPIOB_17_UART_RX   (1 << GPIOB_17_MUX_SHIFT)
>> +
>> +/* CREG CFG_PAD6 register */
>> +
>> +#define GPIOC_31_MODE_SHIFT    30
>> +#define GPIOC_31_MODE_MASK     ~(1 << GPIOC_31_MODE_SHIFT)
>> +#define CFG_GPIOC_31_MODE_OD   (0 << GPIOC_31_MODE_SHIFT)
>> +#define CFG_GPIOC_31_MODE_PP   (1 << GPIOC_31_MODE_SHIFT)
>> +
>> +#define GPIOC_30_MODE_SHIFT    28
>> +#define GPIOC_30_MODE_MASK     ~(1 << GPIOC_30_MODE_SHIFT)
>> +#define CFG_GPIOC_30_MODE_LOW  (0 << GPIOC_30_MODE_SHIFT)
>> +#define CFG_GPIOC_30_MODE_HIGH (1 << GPIOC_30_MODE_SHIFT)
>> +
>> +#endif
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_defs.h b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
>> new file mode 100644
>> index 0000000..1151378
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
>> @@ -0,0 +1,16 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef __STV0991_DEFS_H__
>> +#define __STV0991_DEFS_H__
>> +#include <asm/arch/stv0991_periph.h>
>> +
>> +extern int stv0991_pinmux_config(enum periph_id);
>> +extern int clock_setup(enum periph_clock);
>> +
>> +#endif
>> +
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
>> new file mode 100644
>> index 0000000..abd7257
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
>> @@ -0,0 +1,43 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef _STV0991_GPT_H
>> +#define _STV0991_GPT_H
>> +
>> +#include <asm/arch-stv0991/hardware.h>
>> +
>> +struct gpt_regs {
>> +       u32 cr1;
>> +       u32 cr2;
>> +       u32 reserved_1;
>> +       u32 dier;       /* dma_int_en */
>> +       u32 sr;         /* status reg */
>> +       u32 egr;        /* event gen */
>> +       u32 reserved_2[3];      /* offset 0x18--0x20*/
>> +       u32 cnt;
>> +       u32 psc;
>> +       u32 arr;
>> +};
>> +
>> +struct gpt_regs *const gpt1_regs_ptr =
>> +       (struct gpt_regs *) GPTIMER1_BASE_ADDR;
>> +
>> +/* Timer control1 register  */
>> +#define GPT_CR1_CEN                    0x0001
>> +#define GPT_MODE_AUTO_RELOAD           (1 << 7)
>> +
>> +/* Timer prescalar reg */
>> +#define GPT_PRESCALER_128              0x128
>> +
>> +/* Auto reload register for free running config */
>> +#define GPT_FREE_RUNNING               0xFFFF
>> +
>> +/* Timer, HZ specific defines */
>> +#define CONFIG_STV0991_HZ              1000
>> +#define CONFIG_STV0991_HZ_CLOCK                (27*1000*1000)/GPT_PRESCALER_128
>> +
>> +#endif
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_periph.h b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
>> new file mode 100644
>> index 0000000..b91ede4
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
>> @@ -0,0 +1,59 @@
>> +/*
>> + * Copyright (C) 2014 ST Microelectronics
>> + * Vikas Manocha <vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
>> + * MA 02111-1307 USA
>> + */
> Please use SPDX-License-Identifier.

ok.

>
>> +
>> +#ifndef __ASM_ARM_ARCH_PERIPH_H
>> +#define __ASM_ARM_ARCH_PERIPH_H
>> +
>> +/*
>> + * Peripherals required for pinmux configuration. List will
>> + * grow with support for more devices getting added.
>> + * Numbering based on interrupt table.
>> + *
>> + */
>> +enum periph_id {
>> +       UART_GPIOC_30_31 = 0,
>> +       UART_GPIOB_16_17,
>> +       PERIPH_ID_I2C0,
>> +       PERIPH_ID_I2C1,
>> +       PERIPH_ID_I2C2,
>> +       PERIPH_ID_I2C3,
>> +       PERIPH_ID_I2C4,
>> +       PERIPH_ID_I2C5,
>> +       PERIPH_ID_I2C6,
>> +       PERIPH_ID_I2C7,
>> +       PERIPH_ID_SPI0,
>> +       PERIPH_ID_SPI1,
>> +       PERIPH_ID_SPI2,
>> +       PERIPH_ID_SDMMC0,
>> +       PERIPH_ID_SDMMC1,
>> +       PERIPH_ID_SDMMC2,
>> +       PERIPH_ID_SDMMC3,
>> +       PERIPH_ID_I2S1,
>> +};
>> +
>> +enum periph_clock {
>> +       UART_CLOCK_CFG = 0,
>> +       ETH_CLOCK_CFG,
>> +};
>> +
>> +#endif /* __ASM_ARM_ARCH_PERIPH_H */
>> diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
>> new file mode 100644
>> index 0000000..7e555a2
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
>> @@ -0,0 +1,28 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef _STV0991_WD_RST_H
>> +#define _STV0991_WD_RST_H
>> +#include <asm/arch-stv0991/hardware.h>
>> +
>> +struct stv0991_wd_ru {
>> +       u32 wdru_config;
>> +       u32 wdru_ctrl1;
>> +       u32 wdru_ctrl2;
>> +       u32 wdru_tim;
>> +       u32 wdru_count;
>> +       u32 wdru_stat;
>> +       u32 wdru_wrlock;
>> +};
>> +
>> +struct stv0991_wd_ru *const stv0991_wd_ru_ptr = \
>> +               (struct stv0991_wd_ru *)WDRU_BASE_ADDR;
>> +
>> +/* Watchdog control register */
>> +#define WDRU_RST_SYS           0x1
>> +
>> +#endif
>> diff --git a/board/st/stv0991/Kconfig b/board/st/stv0991/Kconfig
>> new file mode 100644
>> index 0000000..8bda349
>> --- /dev/null
>> +++ b/board/st/stv0991/Kconfig
>> @@ -0,0 +1,23 @@
>> +if TARGET_STV0991
>> +
>> +config SYS_CPU
>> +       string
>> +       default "armv7"
>> +
>> +config SYS_BOARD
>> +       string
>> +       default "stv0991"
>> +
>> +config SYS_VENDOR
>> +       string
>> +       default "st"
>> +
>> +config SYS_SOC
>> +       string
>> +       default "stv0991"
>> +
>> +config SYS_CONFIG_NAME
>> +       string
>> +       default "stv0991"
>> +
>> +endif
>> diff --git a/board/st/stv0991/Makefile b/board/st/stv0991/Makefile
>> new file mode 100644
>> index 0000000..fb5169a
>> --- /dev/null
>> +++ b/board/st/stv0991/Makefile
>> @@ -0,0 +1,8 @@
>> +#
>> +# (C) Copyright 2014
>> +# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
>> +#
>> +# SPDX-License-Identifier:     GPL-2.0+
>> +#
>> +
>> +obj-y  := stv0991.o
>> diff --git a/board/st/stv0991/stv0991.c b/board/st/stv0991/stv0991.c
>> new file mode 100644
>> index 0000000..bdeb53c
>> --- /dev/null
>> +++ b/board/st/stv0991/stv0991.c
>> @@ -0,0 +1,54 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <miiphy.h>
>> +#include <asm/arch/stv0991_periph.h>
>> +#include <asm/arch/stv0991_defs.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +#ifdef CONFIG_SHOW_BOOT_PROGRESS
>> +void show_boot_progress(int progress)
>> +{
>> +       printf("%i\n", progress);
>> +}
>> +#endif
>> +
>> +/*
>> + * Miscellaneous platform dependent initialisations
>> + */
>> +int board_init(void)
>> +{
>> +       return 0;
>> +}
>> +
>> +int board_uart_init(void)
>> +{
>> +       stv0991_pinmux_config(UART_GPIOC_30_31);
>> +       clock_setup(UART_CLOCK_CFG);
>> +       return 0;
>> +}
>> +#ifdef CONFIG_BOARD_EARLY_INIT_F
>> +int board_early_init_f(void)
>> +{
>> +       board_uart_init();
>> +       return 0;
>> +}
>> +#endif
>> +
>> +int dram_init(void)
>> +{
>> +       gd->ram_size = PHYS_SDRAM_1_SIZE;
>> +       return 0;
>> +}
>> +
>> +void dram_init_banksize(void)
>> +{
>> +       gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
>> +       gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
>> +}
>> diff --git a/configs/stv0991_defconfig b/configs/stv0991_defconfig
>> new file mode 100644
>> index 0000000..a05e991
>> --- /dev/null
>> +++ b/configs/stv0991_defconfig
>> @@ -0,0 +1,3 @@
>> +CONFIG_SYS_EXTRA_OPTIONS="stv0991"
>> +CONFIG_ARM=y
>> +CONFIG_TARGET_STV0991=y
>> diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
>> new file mode 100644
>> index 0000000..37cfa7a
>> --- /dev/null
>> +++ b/include/configs/stv0991.h
>> @@ -0,0 +1,58 @@
>> +/*
>> + * (C) Copyright 2014
>> + * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_STV0991_H
>> +#define __CONFIG_STV0991_H
>> +
>> +#define CONFIG_SYS_DCACHE_OFF
>> +#define CONFIG_SYS_ICACHE_OFF
>> +#define CONFIG_SYS_EXCEPTION_VECTORS_HIGH
>> +#define CONFIG_BOARD_EARLY_INIT_F
>> +#define CONFIG_SYS_CORTEX_R4
>> +
>> +#define CONFIG_SYS_GENERIC_BOARD
>> +#define CONFIG_SYS_NO_FLASH
>> +
>> +/* ram memory-related information */
>> +#define CONFIG_NR_DRAM_BANKS                   1
>> +#define PHYS_SDRAM_1                           0x00000000
>> +#define CONFIG_SYS_SDRAM_BASE                  PHYS_SDRAM_1
>> +#define PHYS_SDRAM_1_SIZE                      0x00198000
>> +
>> +#define CONFIG_ENV_SIZE                                0x10000
>> +#define CONFIG_ENV_IS_IN_FLASH
>> +#define CONFIG_ENV_ADDR                                \
>> +       (PHYS_SDRAM_1_SIZE - CONFIG_ENV_SIZE)
>> +#define CONFIG_SYS_MAXARGS                     16
>> +#define CONFIG_SYS_MALLOC_LEN                  (CONFIG_ENV_SIZE + 16 * 1024)
>> +
>> +/* serial port (PL011) configuration */
>> +#define CONFIG_SYS_SERIAL0                     0x80406000
>> +#define CONFIG_PL011_SERIAL
>> +#define CONFIG_CONS_INDEX                      1
>> +#define CONFIG_BAUDRATE                                115200
>> +#define CONFIG_PL01x_PORTS                     {(void *)CONFIG_SYS_SERIAL0}
>> +#define CONFIG_PL011_CLOCK                     (2700 * 1000)
>> +
>> +/* user interface */
>> +#define CONFIG_SYS_PROMPT                      "STV0991> "
>> +#define CONFIG_SYS_CBSIZE                      256/* Console I/O Buffer Size */
>> +#define CONFIG_SYS_PBSIZE                      (CONFIG_SYS_CBSIZE \
>> +                                               +sizeof(CONFIG_SYS_PROMPT) + 16)
>> +
>> +/* MISC */
>> +#define CONFIG_SYS_LOAD_ADDR                   0x00000000
>> +#define CONFIG_SYS_INIT_RAM_SIZE               0x2000
>> +#define CONFIG_SYS_INIT_RAM_ADDR               0x00190000
>> +#define CONFIG_SYS_INIT_SP_OFFSET              \
>> +       (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
>> +/* U-boot Load Address */
>> +#define CONFIG_SYS_TEXT_BASE                   0x00010000
>> +#define CONFIG_SYS_INIT_SP_ADDR                        \
>> +       (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
>> +
>> +#endif /* __CONFIG_H */
>> --
>> 1.7.9.5
>>
>> _______________________________________________
>> U-Boot mailing list
>> U-Boot@lists.denx.de
>> http://lists.denx.de/mailman/listinfo/u-boot
>
>
> --
> Nobuhiro Iwamatsu
>     iwamatsu at {nigauri.org / debian.org}
>     GPG ID: 40AD1FA6
diff mbox

Patch

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e385eda..cc81eb8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -305,6 +305,9 @@  config TARGET_SPEAR310
 config TARGET_SPEAR320
 	bool "Support spear320"
 
+config TARGET_STV0991
+	bool "Support stv0991"
+
 config TARGET_SPEAR600
 	bool "Support spear600"
 
@@ -958,6 +961,7 @@  source "board/solidrun/hummingboard/Kconfig"
 source "board/spear/spear300/Kconfig"
 source "board/spear/spear310/Kconfig"
 source "board/spear/spear320/Kconfig"
+source "board/st/stv0991/Kconfig"
 source "board/spear/spear600/Kconfig"
 source "board/spear/x600/Kconfig"
 source "board/st-ericsson/snowball/Kconfig"
diff --git a/arch/arm/cpu/armv7/stv0991/Makefile b/arch/arm/cpu/armv7/stv0991/Makefile
new file mode 100644
index 0000000..95641d3
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/Makefile
@@ -0,0 +1,9 @@ 
+#
+# (C) Copyright 2014
+# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= timer.o clock.o pinmux.o reset.o
+obj-y	+= lowlevel.o
diff --git a/arch/arm/cpu/armv7/stv0991/clock.c b/arch/arm/cpu/armv7/stv0991/clock.c
new file mode 100644
index 0000000..625ae64
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/clock.c
@@ -0,0 +1,20 @@ 
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/stv0991_cgu.h>
+#include<asm/arch/stv0991_periph.h>
+
+static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
+				(struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
+
+void clock_setup(int peripheral)
+{
+	switch (peripheral) {
+	case UART_CLOCK_CFG:
+		writel(UART_CLK_CFG, &stv0991_cgu_regs->uart_freq);
+		break;
+	case ETH_CLOCK_CFG:
+		break;
+	default:
+		break;
+	}
+}
diff --git a/arch/arm/cpu/armv7/stv0991/lowlevel.S b/arch/arm/cpu/armv7/stv0991/lowlevel.S
new file mode 100644
index 0000000..6dafba3
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/lowlevel.S
@@ -0,0 +1,12 @@ 
+/*
+ * (C) Copyright 2014 stmicroelectronics
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+	mov	pc, lr
+ENDPROC(lowlevel_init)
diff --git a/arch/arm/cpu/armv7/stv0991/pinmux.c b/arch/arm/cpu/armv7/stv0991/pinmux.c
new file mode 100644
index 0000000..87997b7
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/pinmux.c
@@ -0,0 +1,41 @@ 
+#include <asm/io.h>
+#include <asm/arch/stv0991_creg.h>
+#include <asm/arch/stv0991_periph.h>
+#include <asm/arch/hardware.h>
+
+static struct stv0991_creg *const stv0991_creg = \
+			(struct stv0991_creg *)CREG_BASE_ADDR;
+
+int stv0991_pinmux_config(int peripheral)
+{
+	switch (peripheral) {
+	case UART_GPIOC_30_31:
+		/* SSDA/SSCL pad muxing to UART Rx/Dx */
+		writel((readl(&stv0991_creg->mux12) & GPIOC_31_MUX_MASK) |
+				CFG_GPIOC_31_UART_RX,
+				&stv0991_creg->mux12);
+		writel((readl(&stv0991_creg->mux12) & GPIOC_30_MUX_MASK) |
+				CFG_GPIOC_30_UART_TX,
+				&stv0991_creg->mux12);
+		/* SSDA/SSCL pad config to push pull*/
+		writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_31_MODE_MASK) |
+				CFG_GPIOC_31_MODE_PP,
+				&stv0991_creg->cfg_pad6);
+		writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_30_MODE_MASK) |
+				CFG_GPIOC_30_MODE_HIGH,
+				&stv0991_creg->cfg_pad6);
+		break;
+	case UART_GPIOB_16_17:
+		/* ethernet rx_6/7 to UART Rx/Dx */
+		writel((readl(&stv0991_creg->mux7) & GPIOB_17_MUX_MASK) |
+				CFG_GPIOB_17_UART_RX,
+				&stv0991_creg->mux7);
+		writel((readl(&stv0991_creg->mux7) & GPIOB_16_MUX_MASK) |
+				CFG_GPIOB_16_UART_TX,
+				&stv0991_creg->mux7);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
diff --git a/arch/arm/cpu/armv7/stv0991/reset.c b/arch/arm/cpu/armv7/stv0991/reset.c
new file mode 100644
index 0000000..73f2a28
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/reset.c
@@ -0,0 +1,42 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/stv0991_wdru.h>
+void reset_cpu(ulong ignored)
+{
+	printf("System is going to reboot ...\n");
+	/*
+	 * This 1 second delay will allow the above message
+	 * to be printed before reset
+	 */
+	udelay((1000 * 1000));
+
+	/* Setting bit 1 of the WDRU unit will reset the SoC */
+	writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
+
+	/* system will restart */
+	while (1)
+		;
+}
diff --git a/arch/arm/cpu/armv7/stv0991/timer.c b/arch/arm/cpu/armv7/stv0991/timer.c
new file mode 100644
index 0000000..219f593
--- /dev/null
+++ b/arch/arm/cpu/armv7/stv0991/timer.c
@@ -0,0 +1,129 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch-stv0991/hardware.h>
+#include <asm/arch-stv0991/stv0991_cgu.h>
+#include <asm/arch-stv0991/stv0991_gpt.h>
+
+static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
+				(struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
+
+#define READ_TIMER()	(readl(&gpt1_regs_ptr->cnt) & GPT_FREE_RUNNING)
+#define GPT_RESOLUTION	(CONFIG_STV0991_HZ_CLOCK / CONFIG_STV0991_HZ)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define timestamp gd->arch.tbl
+#define lastdec gd->arch.lastinc
+
+int timer_init(void)
+{
+	/* Timer1 clock configuration */
+	writel(TIMER1_CLK_CFG, &stv0991_cgu_regs->tim_freq);
+	writel(readl(&stv0991_cgu_regs->cgu_enable_2) |
+			TIMER1_CLK_EN, &stv0991_cgu_regs->cgu_enable_2);
+
+	/* Stop the timer */
+	writel(readl(&gpt1_regs_ptr->cr1) & ~GPT_CR1_CEN, &gpt1_regs_ptr->cr1);
+	writel(GPT_PRESCALER_128, &gpt1_regs_ptr->psc);
+	/* Configure timer for auto-reload */
+	writel(readl(&gpt1_regs_ptr->cr1) | GPT_MODE_AUTO_RELOAD,
+			&gpt1_regs_ptr->cr1);
+
+	/* load value for free running */
+	writel(GPT_FREE_RUNNING, &gpt1_regs_ptr->arr);
+
+	/* start timer */
+	writel(readl(&gpt1_regs_ptr->cr1) | GPT_CR1_CEN,
+			&gpt1_regs_ptr->cr1);
+
+	/* Reset the timer */
+	lastdec = READ_TIMER();
+	timestamp = 0;
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+ulong get_timer(ulong base)
+{
+	return (get_timer_masked() / GPT_RESOLUTION) - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	ulong tmo;
+	ulong start = get_timer_masked();
+	ulong tenudelcnt = CONFIG_STV0991_HZ_CLOCK / (1000 * 100);
+	ulong rndoff;
+
+	rndoff = (usec % 10) ? 1 : 0;
+
+	/* tenudelcnt timer tick gives 10 microsecconds delay */
+	tmo = ((usec / 10) + rndoff) * tenudelcnt;
+
+	while ((ulong) (get_timer_masked() - start) < tmo)
+		;
+}
+
+ulong get_timer_masked(void)
+{
+	ulong now = READ_TIMER();
+
+	if (now >= lastdec) {
+		/* normal mode */
+		timestamp += now - lastdec;
+	} else {
+		/* we have an overflow ... */
+		timestamp += now + GPT_FREE_RUNNING - lastdec;
+	}
+	lastdec = now;
+
+	return timestamp;
+}
+
+void udelay_masked(unsigned long usec)
+{
+	return udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return CONFIG_STV0991_HZ;
+}
diff --git a/arch/arm/include/asm/arch-stv0991/hardware.h b/arch/arm/include/asm/arch-stv0991/hardware.h
new file mode 100644
index 0000000..3f6bcaf
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/hardware.h
@@ -0,0 +1,73 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+/* STV0991 */
+#define SRAM0_BASE_ADDR                          0x00000000UL
+#define SRAM1_BASE_ADDR                          0x00068000UL
+#define SRAM2_BASE_ADDR                          0x000D0000UL
+#define SRAM3_BASE_ADDR                          0x00138000UL
+#define CFS_SRAM0_BASE_ADDR                      0x00198000UL
+#define CFS_SRAM1_BASE_ADDR                      0x001B8000UL
+#define FAST_SRAM_BASE_ADDR                      0x001D8000UL
+#define FLASH_BASE_ADDR                          0x40000000UL
+#define PL310_BASE_ADDR                          0x70000000UL
+#define HSAXIM_BASE_ADDR                         0x70100000UL
+#define IMGSS_BASE_ADDR                          0x70200000UL
+#define ADC_BASE_ADDR                            0x80000000UL
+#define GPIOA_BASE_ADDR                          0x80001000UL
+#define GPIOB_BASE_ADDR                          0x80002000UL
+#define GPIOC_BASE_ADDR                          0x80003000UL
+#define HDM_BASE_ADDR                            0x80004000UL
+#define THSENS_BASE_ADDR                         0x80200000UL
+#define GPTIMER2_BASE_ADDR                       0x80201000UL
+#define GPTIMER1_BASE_ADDR                       0x80202000UL
+#define QSPI_BASE_ADDR                           0x80203000UL
+#define CGU_BASE_ADDR                            0x80204000UL
+#define CREG_BASE_ADDR                           0x80205000UL
+#define PEC_BASE_ADDR                            0x80206000UL
+#define WDRU_BASE_ADDR                           0x80207000UL
+#define BSEC_BASE_ADDR                           0x80208000UL
+#define DAP_ROM_BASE_ADDR                        0x80210000UL
+#define SOC_CTI_BASE_ADDR                        0x80211000UL
+#define TPIU_BASE_ADDR                           0x80212000UL
+#define TMC_ETF_BASE_ADDR                        0x80213000UL
+#define R4_ETM_BASE_ADDR                         0x80214000UL
+#define R4_CTI_BASE_ADDR                         0x80215000UL
+#define R4_DBG_BASE_ADDR                         0x80216000UL
+#define GMAC_BASE_ADDR                           0x80300000UL
+#define RNSS_BASE_ADDR                           0x80302000UL
+#define CRYP_BASE_ADDR                           0x80303000UL
+#define HASH_BASE_ADDR                           0x80304000UL
+#define GPDMA_BASE_ADDR                          0x80305000UL
+#define ISA_BASE_ADDR                            0x8032A000UL
+#define HCI_BASE_ADDR                            0x80400000UL
+#define I2C1_BASE_ADDR                           0x80401000UL
+#define I2C2_BASE_ADDR                           0x80402000UL
+#define SAI_BASE_ADDR                            0x80403000UL
+#define USI_BASE_ADDR                            0x80404000UL
+#define SPI1_BASE_ADDR                           0x80405000UL
+#define UART_BASE_ADDR                           0x80406000UL
+#define SPI2_BASE_ADDR                           0x80500000UL
+#define CAN_BASE_ADDR                            0x80501000UL
+#define USART1_BASE_ADDR                         0x80502000UL
+#define USART2_BASE_ADDR                         0x80503000UL
+#define USART3_BASE_ADDR                         0x80504000UL
+#define USART4_BASE_ADDR                         0x80505000UL
+#define USART5_BASE_ADDR                         0x80506000UL
+#define USART6_BASE_ADDR                         0x80507000UL
+#define SDI2_BASE_ADDR                           0x80600000UL
+#define SDI1_BASE_ADDR                           0x80601000UL
+#define VICA_BASE_ADDR                           0x81000000UL
+#define VICB_BASE_ADDR                           0x81001000UL
+#define STM_CHANNELS_BASE_ADDR                   0x81100000UL
+#define STM_BASE_ADDR                            0x81110000UL
+#define SROM_BASE_ADDR                           0xFFFF0000UL
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
new file mode 100644
index 0000000..4926395
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h
@@ -0,0 +1,80 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_CGU_H
+#define _STV0991_CGU_H
+
+struct stv0991_cgu_regs {
+	u32 cpu_freq;		/* offset 0x0 */
+	u32 icn2_freq;		/* offset 0x4 */
+	u32 dma_freq;		/* offset 0x8 */
+	u32 isp_freq;		/* offset 0xc */
+	u32 h264_freq;		/* offset 0x10 */
+	u32 osif_freq;		/* offset 0x14 */
+	u32 ren_freq;		/* offset 0x18 */
+	u32 tim_freq;		/* offset 0x1c */
+	u32 sai_freq;		/* offset 0x20 */
+	u32 eth_freq;		/* offset 0x24 */
+	u32 i2c_freq;		/* offset 0x28 */
+	u32 spi_freq;		/* offset 0x2c */
+	u32 uart_freq;		/* offset 0x30 */
+	u32 qspi_freq;		/* offset 0x34 */
+	u32 sdio_freq;		/* offset 0x38 */
+	u32 usi_freq;		/* offset 0x3c */
+	u32 can_line_freq;	/* offset 0x40 */
+	u32 debug_freq;		/* offset 0x44 */
+	u32 trace_freq;		/* offset 0x48 */
+	u32 stm_freq;		/* offset 0x4c */
+	u32 eth_ctrl;		/* offset 0x50 */
+	u32 reserved[3];	/* offset 0x54 */
+	u32 osc_ctrl;		/* offset 0x60 */
+	u32 pll1_ctrl;		/* offset 0x64 */
+	u32 pll1_freq;		/* offset 0x68 */
+	u32 pll1_fract;		/* offset 0x6c */
+	u32 pll1_spread;	/* offset 0x70 */
+	u32 pll1_status;	/* offset 0x74 */
+	u32 pll2_ctrl;		/* offset 0x78 */
+	u32 pll2_freq;		/* offset 0x7c */
+	u32 pll2_fract;		/* offset 0x80 */
+	u32 pll2_spread;	/* offset 0x84 */
+	u32 pll2_status;	/* offset 0x88 */
+	u32 cgu_enable_1;	/* offset 0x8c */
+	u32 cgu_enable_2;	/* offset 0x90 */
+	u32 cgu_isp_pulse;	/* offset 0x94 */
+	u32 cgu_h264_pulse;	/* offset 0x98 */
+	u32 cgu_osif_pulse;	/* offset 0x9c */
+	u32 cgu_ren_pulse;	/* offset 0xa0 */
+
+};
+
+/* CGU Timer */
+#define CLK_TMR_OSC			0
+#define CLK_TMR_MCLK			1
+#define CLK_TMR_PLL1			2
+#define CLK_TMR_PLL2			3
+#define MDIV_SHIFT_TMR			3
+#define DIV_SHIFT_TMR			6
+
+#define TIMER1_CLK_CFG			(0 << DIV_SHIFT_TMR \
+					| 0 << MDIV_SHIFT_TMR | CLK_TMR_MCLK)
+
+/* Clock Enable/Disable */
+
+#define TIMER1_CLK_EN			(1 << 15)
+
+/* CGU Uart config */
+#define CLK_UART_MCLK			0
+#define CLK_UART_PLL1			1
+#define CLK_UART_PLL2			2
+
+#define MDIV_SHIFT_UART			3
+#define DIV_SHIFT_UART			6
+
+#define UART_CLK_CFG			(4 << DIV_SHIFT_UART \
+					| 1 << MDIV_SHIFT_UART | CLK_UART_MCLK)
+
+#endif
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_creg.h b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
new file mode 100644
index 0000000..045dbfe
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
@@ -0,0 +1,82 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_CREG_H
+#define _STV0991_CREG_H
+
+struct stv0991_creg {
+	u32 version;		/* offset 0x0 */
+	u32 hdpctl;		/* offset 0x4 */
+	u32 hdpval;		/* offset 0x8 */
+	u32 hdpgposet;		/* offset 0xc */
+	u32 hdpgpoclr;		/* offset 0x10 */
+	u32 hdpgpoval;		/* offset 0x14 */
+	u32 stm_mux;		/* offset 0x18 */
+	u32 sysctrl_1;		/* offset 0x1c */
+	u32 sysctrl_2;		/* offset 0x20 */
+	u32 sysctrl_3;		/* offset 0x24 */
+	u32 sysctrl_4;		/* offset 0x28 */
+	u32 reserved_1[0x35];	/* offset 0x2C-0xFC */
+	u32 mux1;		/* offset 0x100 */
+	u32 mux2;		/* offset 0x104 */
+	u32 mux3;		/* offset 0x108 */
+	u32 mux4;		/* offset 0x10c */
+	u32 mux5;		/* offset 0x110 */
+	u32 mux6;		/* offset 0x114 */
+	u32 mux7;		/* offset 0x118 */
+	u32 mux8;		/* offset 0x11c */
+	u32 mux9;		/* offset 0x120 */
+	u32 mux10;		/* offset 0x124 */
+	u32 mux11;		/* offset 0x128 */
+	u32 mux12;		/* offset 0x12c */
+	u32 mux13;		/* offset 0x130 */
+	u32 reserved_2[0x33];	/* offset 0x134-0x1FC */
+	u32 cfg_pad1;		/* offset 0x200 */
+	u32 cfg_pad2;		/* offset 0x204 */
+	u32 cfg_pad3;		/* offset 0x208 */
+	u32 cfg_pad4;		/* offset 0x20c */
+	u32 cfg_pad5;		/* offset 0x210 */
+	u32 cfg_pad6;		/* offset 0x214 */
+	u32 cfg_pad7;		/* offset 0x218 */
+	u32 reserved_3[0x39];	/* offset 0x21C-0x2FC */
+	u32 vdd_pad1;		/* offset 0x300 */
+	u32 vdd_pad2;		/* offset 0x304 */
+	u32 reserved_4[0x3e];	/* offset 0x308-0x3FC */
+	u32 vdd_comp1;		/* offset 0x400 */
+};
+
+/* CREG MUX 12 register */
+#define GPIOC_30_MUX_SHIFT	24
+#define GPIOC_30_MUX_MASK	~(1 << GPIOC_30_MUX_SHIFT)
+#define CFG_GPIOC_30_UART_TX	(1 << GPIOC_30_MUX_SHIFT)
+
+#define GPIOC_31_MUX_SHIFT	28
+#define GPIOC_31_MUX_MASK	~(1 << GPIOC_31_MUX_SHIFT)
+#define CFG_GPIOC_31_UART_RX	(1 << GPIOC_31_MUX_SHIFT)
+
+/* CREG MUX 7 register */
+#define GPIOB_16_MUX_SHIFT	0
+#define GPIOB_16_MUX_MASK	~(1 << GPIOB_16_MUX_SHIFT)
+#define CFG_GPIOB_16_UART_TX	(1 << GPIOB_16_MUX_SHIFT)
+
+#define GPIOB_17_MUX_SHIFT	4
+#define GPIOB_17_MUX_MASK	~(1 << GPIOB_17_MUX_SHIFT)
+#define CFG_GPIOB_17_UART_RX	(1 << GPIOB_17_MUX_SHIFT)
+
+/* CREG CFG_PAD6 register */
+
+#define GPIOC_31_MODE_SHIFT	30
+#define GPIOC_31_MODE_MASK	~(1 << GPIOC_31_MODE_SHIFT)
+#define CFG_GPIOC_31_MODE_OD	(0 << GPIOC_31_MODE_SHIFT)
+#define CFG_GPIOC_31_MODE_PP	(1 << GPIOC_31_MODE_SHIFT)
+
+#define GPIOC_30_MODE_SHIFT	28
+#define GPIOC_30_MODE_MASK	~(1 << GPIOC_30_MODE_SHIFT)
+#define CFG_GPIOC_30_MODE_LOW	(0 << GPIOC_30_MODE_SHIFT)
+#define CFG_GPIOC_30_MODE_HIGH	(1 << GPIOC_30_MODE_SHIFT)
+
+#endif
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_defs.h b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
new file mode 100644
index 0000000..1151378
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_defs.h
@@ -0,0 +1,16 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __STV0991_DEFS_H__
+#define __STV0991_DEFS_H__
+#include <asm/arch/stv0991_periph.h>
+
+extern int stv0991_pinmux_config(enum periph_id);
+extern int clock_setup(enum periph_clock);
+
+#endif
+
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
new file mode 100644
index 0000000..abd7257
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h
@@ -0,0 +1,43 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_GPT_H
+#define _STV0991_GPT_H
+
+#include <asm/arch-stv0991/hardware.h>
+
+struct gpt_regs {
+	u32 cr1;
+	u32 cr2;
+	u32 reserved_1;
+	u32 dier;	/* dma_int_en */
+	u32 sr;		/* status reg */
+	u32 egr;	/* event gen */
+	u32 reserved_2[3];	/* offset 0x18--0x20*/
+	u32 cnt;
+	u32 psc;
+	u32 arr;
+};
+
+struct gpt_regs *const gpt1_regs_ptr =
+	(struct gpt_regs *) GPTIMER1_BASE_ADDR;
+
+/* Timer control1 register  */
+#define GPT_CR1_CEN			0x0001
+#define GPT_MODE_AUTO_RELOAD		(1 << 7)
+
+/* Timer prescalar reg */
+#define GPT_PRESCALER_128		0x128
+
+/* Auto reload register for free running config */
+#define GPT_FREE_RUNNING		0xFFFF
+
+/* Timer, HZ specific defines */
+#define CONFIG_STV0991_HZ		1000
+#define CONFIG_STV0991_HZ_CLOCK		(27*1000*1000)/GPT_PRESCALER_128
+
+#endif
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_periph.h b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
new file mode 100644
index 0000000..b91ede4
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
@@ -0,0 +1,59 @@ 
+/*
+ * Copyright (C) 2014 ST Microelectronics
+ * Vikas Manocha <vikas.manocha@st.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARM_ARCH_PERIPH_H
+#define __ASM_ARM_ARCH_PERIPH_H
+
+/*
+ * Peripherals required for pinmux configuration. List will
+ * grow with support for more devices getting added.
+ * Numbering based on interrupt table.
+ *
+ */
+enum periph_id {
+	UART_GPIOC_30_31 = 0,
+	UART_GPIOB_16_17,
+	PERIPH_ID_I2C0,
+	PERIPH_ID_I2C1,
+	PERIPH_ID_I2C2,
+	PERIPH_ID_I2C3,
+	PERIPH_ID_I2C4,
+	PERIPH_ID_I2C5,
+	PERIPH_ID_I2C6,
+	PERIPH_ID_I2C7,
+	PERIPH_ID_SPI0,
+	PERIPH_ID_SPI1,
+	PERIPH_ID_SPI2,
+	PERIPH_ID_SDMMC0,
+	PERIPH_ID_SDMMC1,
+	PERIPH_ID_SDMMC2,
+	PERIPH_ID_SDMMC3,
+	PERIPH_ID_I2S1,
+};
+
+enum periph_clock {
+	UART_CLOCK_CFG = 0,
+	ETH_CLOCK_CFG,
+};
+
+#endif /* __ASM_ARM_ARCH_PERIPH_H */
diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
new file mode 100644
index 0000000..7e555a2
--- /dev/null
+++ b/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h
@@ -0,0 +1,28 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_WD_RST_H
+#define _STV0991_WD_RST_H
+#include <asm/arch-stv0991/hardware.h>
+
+struct stv0991_wd_ru {
+	u32 wdru_config;
+	u32 wdru_ctrl1;
+	u32 wdru_ctrl2;
+	u32 wdru_tim;
+	u32 wdru_count;
+	u32 wdru_stat;
+	u32 wdru_wrlock;
+};
+
+struct stv0991_wd_ru *const stv0991_wd_ru_ptr = \
+		(struct stv0991_wd_ru *)WDRU_BASE_ADDR;
+
+/* Watchdog control register */
+#define WDRU_RST_SYS		0x1
+
+#endif
diff --git a/board/st/stv0991/Kconfig b/board/st/stv0991/Kconfig
new file mode 100644
index 0000000..8bda349
--- /dev/null
+++ b/board/st/stv0991/Kconfig
@@ -0,0 +1,23 @@ 
+if TARGET_STV0991
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "stv0991"
+
+config SYS_VENDOR
+	string
+	default "st"
+
+config SYS_SOC
+	string
+	default "stv0991"
+
+config SYS_CONFIG_NAME
+	string
+	default "stv0991"
+
+endif
diff --git a/board/st/stv0991/Makefile b/board/st/stv0991/Makefile
new file mode 100644
index 0000000..fb5169a
--- /dev/null
+++ b/board/st/stv0991/Makefile
@@ -0,0 +1,8 @@ 
+#
+# (C) Copyright 2014
+# Vikas Manocha, ST Microelectronics, vikas.manocha@stcom
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= stv0991.o
diff --git a/board/st/stv0991/stv0991.c b/board/st/stv0991/stv0991.c
new file mode 100644
index 0000000..bdeb53c
--- /dev/null
+++ b/board/st/stv0991/stv0991.c
@@ -0,0 +1,54 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/stv0991_periph.h>
+#include <asm/arch/stv0991_defs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+void show_boot_progress(int progress)
+{
+	printf("%i\n", progress);
+}
+#endif
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+	return 0;
+}
+
+int board_uart_init(void)
+{
+	stv0991_pinmux_config(UART_GPIOC_30_31);
+	clock_setup(UART_CLOCK_CFG);
+	return 0;
+}
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	board_uart_init();
+	return 0;
+}
+#endif
+
+int dram_init(void)
+{
+	gd->ram_size = PHYS_SDRAM_1_SIZE;
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
diff --git a/configs/stv0991_defconfig b/configs/stv0991_defconfig
new file mode 100644
index 0000000..a05e991
--- /dev/null
+++ b/configs/stv0991_defconfig
@@ -0,0 +1,3 @@ 
+CONFIG_SYS_EXTRA_OPTIONS="stv0991"
+CONFIG_ARM=y
+CONFIG_TARGET_STV0991=y
diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
new file mode 100644
index 0000000..37cfa7a
--- /dev/null
+++ b/include/configs/stv0991.h
@@ -0,0 +1,58 @@ 
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_STV0991_H
+#define __CONFIG_STV0991_H
+
+#define CONFIG_SYS_DCACHE_OFF
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_EXCEPTION_VECTORS_HIGH
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_SYS_CORTEX_R4
+
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SYS_NO_FLASH
+
+/* ram memory-related information */
+#define CONFIG_NR_DRAM_BANKS			1
+#define PHYS_SDRAM_1				0x00000000
+#define CONFIG_SYS_SDRAM_BASE			PHYS_SDRAM_1
+#define PHYS_SDRAM_1_SIZE			0x00198000
+
+#define CONFIG_ENV_SIZE				0x10000
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_ADDR				\
+	(PHYS_SDRAM_1_SIZE - CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MAXARGS			16
+#define CONFIG_SYS_MALLOC_LEN			(CONFIG_ENV_SIZE + 16 * 1024)
+
+/* serial port (PL011) configuration */
+#define CONFIG_SYS_SERIAL0			0x80406000
+#define CONFIG_PL011_SERIAL
+#define CONFIG_CONS_INDEX			1
+#define CONFIG_BAUDRATE				115200
+#define CONFIG_PL01x_PORTS			{(void *)CONFIG_SYS_SERIAL0}
+#define CONFIG_PL011_CLOCK			(2700 * 1000)
+
+/* user interface */
+#define CONFIG_SYS_PROMPT			"STV0991> "
+#define CONFIG_SYS_CBSIZE			256/* Console I/O Buffer Size */
+#define CONFIG_SYS_PBSIZE			(CONFIG_SYS_CBSIZE \
+						+sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* MISC */
+#define CONFIG_SYS_LOAD_ADDR			0x00000000
+#define CONFIG_SYS_INIT_RAM_SIZE		0x2000
+#define CONFIG_SYS_INIT_RAM_ADDR		0x00190000
+#define CONFIG_SYS_INIT_SP_OFFSET		\
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+/* U-boot Load Address */
+#define CONFIG_SYS_TEXT_BASE			0x00010000
+#define CONFIG_SYS_INIT_SP_ADDR			\
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#endif /* __CONFIG_H */