[U-Boot] [PATCH v4 1/4] stv0991: Add basic stv0991 architecture support
vikasm
vikas.manocha at st.com
Tue Nov 18 19:08:33 CET 2014
Thanks Albert,
On 11/17/2014 11:21 PM, Albert ARIBAUD wrote:
> 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.
You are right, it is mentioned here but actually is in 4/4. I will merge
4/4 with 1/4.
Rgds,
Vikas
>
>> - 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.
> .
>
More information about the U-Boot
mailing list