Add the base SoC code for ST-Ericsson's Ux500 series of Cortex A9 based SoCs.
Acked-by: Michael Brandt <michael.bra...@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vinc...@stericsson.com> --- cpu/arm_cortexa9/ux500/Makefile | 45 ++++++++++++++++++ cpu/arm_cortexa9/ux500/clock.c | 56 +++++++++++++++++++++++ cpu/arm_cortexa9/ux500/cpu.c | 53 ++++++++++++++++++++++ include/asm-arm/arch-ux500/clock.h | 80 +++++++++++++++++++++++++++++++++ include/asm-arm/arch-ux500/hardware.h | 72 +++++++++++++++++++++++++++++ 5 files changed, 306 insertions(+), 0 deletions(-) create mode 100644 cpu/arm_cortexa9/ux500/Makefile create mode 100644 cpu/arm_cortexa9/ux500/clock.c create mode 100644 cpu/arm_cortexa9/ux500/cpu.c create mode 100644 include/asm-arm/arch-ux500/clock.h create mode 100644 include/asm-arm/arch-ux500/hardware.h diff --git a/cpu/arm_cortexa9/ux500/Makefile b/cpu/arm_cortexa9/ux500/Makefile new file mode 100644 index 0000000..c671010 --- /dev/null +++ b/cpu/arm_cortexa9/ux500/Makefile @@ -0,0 +1,45 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, w...@denx.de. +# +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS += clock.o cpu.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm_cortexa9/ux500/clock.c b/cpu/arm_cortexa9/ux500/clock.c new file mode 100644 index 0000000..4d4ec13 --- /dev/null +++ b/cpu/arm_cortexa9/ux500/clock.c @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2010 ST-Ericsson SA + * Author: Rabin Vincent <rabin.vinc...@stericsson.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> + +DECLARE_GLOBAL_DATA_PTR; + +struct clkrst { + unsigned int pcken; + unsigned int pckdis; + unsigned int kcken; + unsigned int kckdis; +}; + +static unsigned int clkrst_base[] = { + U8500_CLKRST1_BASE, + U8500_CLKRST2_BASE, + U8500_CLKRST3_BASE, + 0, /* No CLKRST for Periph4 */ + U8500_CLKRST5_BASE, + U8500_CLKRST6_BASE, + U8500_CLKRST7_BASE, +}; + +/* Turn on peripheral clock at PRCC level */ +void u8500_clock_enable(int periph, int kern, int cluster) +{ + struct clkrst *clkrst = (struct clkrst *) clkrst_base[periph - 1]; + + if (kern != -1) + writel(1 << kern, &clkrst->kcken); + + if (cluster != -1) + writel(1 << cluster, &clkrst->pcken); +} diff --git a/cpu/arm_cortexa9/ux500/cpu.c b/cpu/arm_cortexa9/ux500/cpu.c new file mode 100644 index 0000000..98f0802 --- /dev/null +++ b/cpu/arm_cortexa9/ux500/cpu.c @@ -0,0 +1,53 @@ +/* + * (C) Copyright 2010 ST-Ericsson SA + * Author: Rabin Vincent <rabin.vinc...@stericsson.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/clock.h> +#include <nomadik.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_NOMADIK_GPIO +unsigned long nmk_gpio_base[CONFIG_NOMADIK_GPIO_NUM_BANKS] = { + U8500_GPIO0_BASE, + U8500_GPIO1_BASE, + U8500_GPIO2_BASE, + U8500_GPIO3_BASE, + U8500_GPIO4_BASE, + U8500_GPIO5_BASE, + U8500_GPIO6_BASE, + U8500_GPIO7_BASE, + U8500_GPIO8_BASE +}; +#endif + +void reset_cpu(unsigned long ignored) +{ + struct prcmu *prcmu = (struct prcmu *) U8500_PRCMU_BASE; + + writel(0x1, &prcmu->ape_softrst); + + while (1) + ; /* infinite loop until reset */ +} diff --git a/include/asm-arm/arch-ux500/clock.h b/include/asm-arm/arch-ux500/clock.h new file mode 100644 index 0000000..b674699 --- /dev/null +++ b/include/asm-arm/arch-ux500/clock.h @@ -0,0 +1,80 @@ +/* + * (C) Copyright 2010 ST-Ericsson SA + * + * 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_ARCH_CLOCK +#define __ASM_ARCH_CLOCK + +#define PRCM_TCR_DOZE_MODE (1 << 17) +#define PRCM_CLKMGT_ENABLE (1 << 8) + +/* Arguments to u8500_clock_enable() */ +#define U8500_CLK(periph, kern, cluster) periph, kern, cluster +#define U8500_CLK_MTU0 U8500_CLK(7, 2, -1) +#define U8500_CLK_UART2 U8500_CLK(3, 6, 6) + +struct prcmu { + unsigned int armclkfix_mgt; + unsigned int armclk_mgt; + unsigned int svammdspclk_mgt; + unsigned int siammdspclk_mgt; + unsigned int reserved; + unsigned int sgaclk_mgt; + unsigned int uartclk_mgt; + unsigned int msp02clk_mgt; + unsigned int i2cclk_mgt; + unsigned int sdmmcclk_mgt; + unsigned int slimclk_mgt; + unsigned int per1clk_mgt; + unsigned int per2clk_mgt; + unsigned int per3clk_mgt; + unsigned int per5clk_mgt; + unsigned int per6clk_mgt; + unsigned int per7clk_mgt; + unsigned int lcdclk_mgt; + unsigned int reserved1; + unsigned int bmlclk_mgt; + unsigned int hsitxclk_mgt; + unsigned int hsirxclk_mgt; + unsigned int hdmiclk_mgt; + unsigned int apeatclk_mgt; + unsigned int apetraceclk_mgt; + unsigned int mcdeclk_mgt; + unsigned int ipi2cclk_mgt; + unsigned int dsialtclk_mgt; + unsigned int spare2clk_mgt; + unsigned int dmaclk_mgt; + unsigned int b2r2clk_mgt; + unsigned int tvclk_mgt; + unsigned int unused[82]; + unsigned int tcr; + unsigned int unused1[23]; + unsigned int ape_softrst; +}; + +extern void u8500_clock_enable(int periph, int kern, int cluster); + +static inline void u8500_prcmu_enable(unsigned int *reg) +{ + writel(readl(reg) | PRCM_CLKMGT_ENABLE, reg); +} + +#endif /* __ASM_ARCH_CLOCK */ diff --git a/include/asm-arm/arch-ux500/hardware.h b/include/asm-arm/arch-ux500/hardware.h new file mode 100644 index 0000000..5f32eaa --- /dev/null +++ b/include/asm-arm/arch-ux500/hardware.h @@ -0,0 +1,72 @@ +/* + * (C) Copyright 2010 ST-Ericsson SA + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* Peripheral clusters */ +#define U8500_PER3_BASE 0x80000000 +#define U8500_PER2_BASE 0x80110000 +#define U8500_PER1_BASE 0x80120000 +#define U8500_PER4_BASE 0x80150000 +#define U8500_PER6_BASE 0xa03c0000 +#define U8500_PER7_BASE 0xa03d0000 +#define U8500_PER5_BASE 0xa03e0000 + +/* GPIO */ +#define U8500_GPIO0_BASE (U8500_PER1_BASE + 0xE000) +#define U8500_GPIO1_BASE (U8500_PER1_BASE + 0xE000 + 0x80) +#define U8500_GPIO2_BASE (U8500_PER3_BASE + 0xE000) +#define U8500_GPIO3_BASE (U8500_PER3_BASE + 0xE000 + 0x80) +#define U8500_GPIO4_BASE (U8500_PER3_BASE + 0xE000 + 0x100) +#define U8500_GPIO5_BASE (U8500_PER3_BASE + 0xE000 + 0x180) +#define U8500_GPIO6_BASE (U8500_PER2_BASE + 0xE000) +#define U8500_GPIO7_BASE (U8500_PER2_BASE + 0xE000 + 0x80) +#define U8500_GPIO8_BASE (U8500_PER5_BASE + 0x1E000) + +/* Per7 */ +#define U8500_MTU0_BASE (U8500_PER7_BASE + 0xa000) +#define U8500_MTU1_BASE (U8500_PER7_BASE + 0xb000) +#define U8500_CLKRST7_BASE (U8500_PER7_BASE + 0xf000) + +/* Per6 */ +#define U8500_CLKRST6_BASE (U8500_PER6_BASE + 0xf000) + +/* Per5 */ +#define U8500_CLKRST5_BASE (U8500_PER5_BASE + 0x1f000) + +/* Per4 */ +#define U8500_PRCMU_BASE (U8500_PER4_BASE + 0x07000) + +/* Per3 */ +#define U8500_UART2_BASE (U8500_PER3_BASE + 0x7000) +#define U8500_CLKRST3_BASE (U8500_PER3_BASE + 0xf000) + +/* Per2 */ +#define U8500_CLKRST2_BASE (U8500_PER2_BASE + 0xf000) + +/* Per1 */ +#define U8500_UART0_BASE (U8500_PER1_BASE + 0x0000) +#define U8500_UART1_BASE (U8500_PER1_BASE + 0x1000) +#define U8500_CLKRST1_BASE (U8500_PER1_BASE + 0xf000) + +#endif /* __ASM_ARCH_HARDWARE_H */ -- 1.7.0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot