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" 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 */