[U-Boot] [PATCH v4 1/4] stv0991: Add basic stv0991 architecture support
Albert ARIBAUD
albert.u.boot at aribaud.net
Tue Nov 18 08:21:22 CET 2014
Hello Vikas,
On Mon, 17 Nov 2014 17:30:25 -0800, Vikas Manocha
<vikas.manocha at st.com> wrote:
> stv0991 architecture support added. It contains the support for
> following blocks
> - Timer
> - uart
>
> Signed-off-by: Vikas Manocha <vikas.manocha at st.com>
> ---
>
> Changes in v4:
> - added maintainers info
I don't see the MAINTAINERS file added here; it is in 4/4 which (unless
I've missed requests to the opposite effect) should be merged with 1/4.
> - rebased to current master
>
> Changes in v3:
> - removed period from commit message
>
> Changes in v2:
> - corrected files license to GPL-2.0+
> - replaced printf() usage with puts() for string print
>
> arch/arm/Kconfig | 5 +
> arch/arm/cpu/armv7/stv0991/Makefile | 9 ++
> arch/arm/cpu/armv7/stv0991/clock.c | 27 +++++
> arch/arm/cpu/armv7/stv0991/lowlevel.S | 12 +++
> arch/arm/cpu/armv7/stv0991/pinmux.c | 48 +++++++++
> arch/arm/cpu/armv7/stv0991/reset.c | 26 +++++
> arch/arm/cpu/armv7/stv0991/timer.c | 114 ++++++++++++++++++++
> 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 | 43 ++++++++
> 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, 752 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 3955978..71faf5e 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -339,6 +339,10 @@ config TARGET_SPEAR600
> bool "Support spear600"
> select CPU_ARM926EJS
>
> +config TARGET_STV0991
> + bool "Support stv0991"
> + select CPU_V7
> +
> config TARGET_X600
> bool "Support x600"
> select CPU_ARM926EJS
> @@ -932,6 +936,7 @@ source "board/spear/spear600/Kconfig"
> source "board/spear/x600/Kconfig"
> source "board/st-ericsson/snowball/Kconfig"
> source "board/st-ericsson/u8500/Kconfig"
> +source "board/st/stv0991/Kconfig"
> source "board/sunxi/Kconfig"
> source "board/syteco/jadecpu/Kconfig"
> source "board/syteco/zmx25/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 at 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..aca6aba
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/clock.c
> @@ -0,0 +1,27 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha at st.com.
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#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..6d4414a
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/pinmux.c
> @@ -0,0 +1,48 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha at st.com.
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#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..3384b32
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/reset.c
> @@ -0,0 +1,26 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha at st.com.
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <asm/io.h>
> +#include <asm/arch/stv0991_wdru.h>
> +void reset_cpu(ulong ignored)
> +{
> + puts("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..8654b8b
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/stv0991/timer.c
> @@ -0,0 +1,114 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha at st.com.
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#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 at 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 at 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 at 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 at 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 at 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..f723771
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h
> @@ -0,0 +1,43 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, ST Micoelectronics, vikas.manocha at st.com.
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#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 at 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 at 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 at 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..864a63f
> --- /dev/null
> +++ b/include/configs/stv0991.h
> @@ -0,0 +1,58 @@
> +/*
> + * (C) Copyright 2014
> + * Vikas Manocha, STMicroelectronics, <vikas.manocha at 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 0
> +#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
>
Amicalement,
--
Albert.
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