diff options
Diffstat (limited to 'arch/arm/mach-zynq')
| -rw-r--r-- | arch/arm/mach-zynq/Kconfig | 13 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/common.c | 38 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/debug-macro.S | 36 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/hardware.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/irqs.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/timex.h | 23 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/uart.h | 25 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/uncompress.h | 51 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/zynq_soc.h | 53 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/timer.c | 1 |
10 files changed, 24 insertions, 255 deletions
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig new file mode 100644 index 00000000000..adb6c0ea0e5 --- /dev/null +++ b/arch/arm/mach-zynq/Kconfig @@ -0,0 +1,13 @@ +config ARCH_ZYNQ + bool "Xilinx Zynq ARM Cortex A9 Platform" if ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select COMMON_CLK + select CPU_V7 + select GENERIC_CLOCKEVENTS + select ICST + select MIGHT_HAVE_CACHE_L2X0 + select USE_OF + select SPARSE_IRQ + help + Support for Xilinx Zynq ARM Cortex A9 Platform diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index 79bf5fb4dad..e16d4bed0f7 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -30,10 +30,10 @@ #include <asm/mach/time.h> #include <asm/mach-types.h> #include <asm/page.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> -#include <mach/zynq_soc.h> #include "common.h" static struct of_device_id zynq_of_bus_ids[] __initdata = { @@ -68,32 +68,15 @@ static void __init xilinx_irq_init(void) of_irq_init(irq_match); } -/* The minimum devices needed to be mapped before the VM system is up and - * running include the GIC, UART and Timer Counter. - */ - -static struct map_desc io_desc[] __initdata = { - { - .virtual = TTC0_VIRT, - .pfn = __phys_to_pfn(TTC0_PHYS), - .length = TTC0_SIZE, - .type = MT_DEVICE, - }, { - .virtual = SCU_PERIPH_VIRT, - .pfn = __phys_to_pfn(SCU_PERIPH_PHYS), - .length = SCU_PERIPH_SIZE, - .type = MT_DEVICE, - }, - -#ifdef CONFIG_DEBUG_LL - { - .virtual = LL_UART_VADDR, - .pfn = __phys_to_pfn(LL_UART_PADDR), - .length = UART_SIZE, - .type = MT_DEVICE, - }, -#endif +#define SCU_PERIPH_PHYS 0xF8F00000 +#define SCU_PERIPH_SIZE SZ_8K +#define SCU_PERIPH_VIRT (VMALLOC_END - SCU_PERIPH_SIZE) +static struct map_desc scu_desc __initdata = { + .virtual = SCU_PERIPH_VIRT, + .pfn = __phys_to_pfn(SCU_PERIPH_PHYS), + .length = SCU_PERIPH_SIZE, + .type = MT_DEVICE, }; static void __init xilinx_zynq_timer_init(void) @@ -122,7 +105,8 @@ static struct sys_timer xttcpss_sys_timer = { */ static void __init xilinx_map_io(void) { - iotable_init(io_desc, ARRAY_SIZE(io_desc)); + debug_ll_io_init(); + iotable_init(&scu_desc, 1); } static const char *xilinx_dt_match[] = { diff --git a/arch/arm/mach-zynq/include/mach/debug-macro.S b/arch/arm/mach-zynq/include/mach/debug-macro.S deleted file mode 100644 index 3ab0be1f619..00000000000 --- a/arch/arm/mach-zynq/include/mach/debug-macro.S +++ /dev/null @@ -1,36 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#include <mach/zynq_soc.h> -#include <mach/uart.h> - - .macro addruart, rp, rv, tmp - ldr \rp, =LL_UART_PADDR @ physical - ldr \rv, =LL_UART_VADDR @ virtual - .endm - - .macro senduart,rd,rx - str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA - .endm - - .macro waituart,rd,rx - .endm - - .macro busyuart,rd,rx -1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register - tst \rd, #UART_SR_TXFULL @ - bne 1002b @ wait if FIFO is full - .endm diff --git a/arch/arm/mach-zynq/include/mach/hardware.h b/arch/arm/mach-zynq/include/mach/hardware.h deleted file mode 100644 index d558d8a94be..00000000000 --- a/arch/arm/mach-zynq/include/mach/hardware.h +++ /dev/null @@ -1,18 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/hardware.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_HARDWARE_H__ -#define __MACH_HARDWARE_H__ - -#endif diff --git a/arch/arm/mach-zynq/include/mach/irqs.h b/arch/arm/mach-zynq/include/mach/irqs.h deleted file mode 100644 index 5fb04fd3bac..00000000000 --- a/arch/arm/mach-zynq/include/mach/irqs.h +++ /dev/null @@ -1,21 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/irqs.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_IRQS_H -#define __MACH_IRQS_H - -#define ARCH_NR_GPIOS 118 -#define NR_IRQS (128 + ARCH_NR_GPIOS) - -#endif diff --git a/arch/arm/mach-zynq/include/mach/timex.h b/arch/arm/mach-zynq/include/mach/timex.h deleted file mode 100644 index 6c0245e42a5..00000000000 --- a/arch/arm/mach-zynq/include/mach/timex.h +++ /dev/null @@ -1,23 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/timex.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_TIMEX_H__ -#define __MACH_TIMEX_H__ - -/* the following is needed for the system to build but will be removed - in the future, the value is not important but won't hurt -*/ -#define CLOCK_TICK_RATE (100 * HZ) - -#endif diff --git a/arch/arm/mach-zynq/include/mach/uart.h b/arch/arm/mach-zynq/include/mach/uart.h deleted file mode 100644 index 5c47c97156f..00000000000 --- a/arch/arm/mach-zynq/include/mach/uart.h +++ /dev/null @@ -1,25 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/uart.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_UART_H__ -#define __MACH_UART_H__ - -#define UART_CR_OFFSET 0x00 /* Control Register [8:0] */ -#define UART_SR_OFFSET 0x2C /* Channel Status [11:0] */ -#define UART_FIFO_OFFSET 0x30 /* FIFO [15:0] or [7:0] */ - -#define UART_SR_TXFULL 0x00000010 /* TX FIFO full */ -#define UART_SR_TXEMPTY 0x00000008 /* TX FIFO empty */ - -#endif diff --git a/arch/arm/mach-zynq/include/mach/uncompress.h b/arch/arm/mach-zynq/include/mach/uncompress.h deleted file mode 100644 index af4e8447bfa..00000000000 --- a/arch/arm/mach-zynq/include/mach/uncompress.h +++ /dev/null @@ -1,51 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/uncompress.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_UNCOMPRESS_H__ -#define __MACH_UNCOMPRESS_H__ - -#include <linux/io.h> -#include <asm/processor.h> -#include <mach/zynq_soc.h> -#include <mach/uart.h> - -void arch_decomp_setup(void) -{ -} - -static inline void flush(void) -{ - /* - * Wait while the FIFO is not empty - */ - while (!(__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & - UART_SR_TXEMPTY)) - cpu_relax(); -} - -#define arch_decomp_wdog() - -static void putc(char ch) -{ - /* - * Wait for room in the FIFO, then write the char into the FIFO - */ - while (__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & - UART_SR_TXFULL) - cpu_relax(); - - __raw_writel(ch, IOMEM(LL_UART_PADDR + UART_FIFO_OFFSET)); -} - -#endif diff --git a/arch/arm/mach-zynq/include/mach/zynq_soc.h b/arch/arm/mach-zynq/include/mach/zynq_soc.h deleted file mode 100644 index 5ebbd8e6eee..00000000000 --- a/arch/arm/mach-zynq/include/mach/zynq_soc.h +++ /dev/null @@ -1,53 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/zynq_soc.h - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#ifndef __MACH_XILINX_SOC_H__ -#define __MACH_XILINX_SOC_H__ - -#include <asm/pgtable.h> - -#define PERIPHERAL_CLOCK_RATE 2500000 - -/* Static peripheral mappings are mapped at the top of the vmalloc region. The - * early uart mapping causes intermediate problems/failure at certain - * addresses, including the very top of the vmalloc region. Map it at an - * address that is known to work. - */ -#define UART0_PHYS 0xE0000000 -#define UART1_PHYS 0xE0001000 -#define UART_SIZE SZ_4K -#define UART_VIRT 0xF0001000 - -#define TTC0_PHYS 0xF8001000 -#define TTC0_SIZE SZ_4K -#define TTC0_VIRT (VMALLOC_END - TTC0_SIZE) - -#define SCU_PERIPH_PHYS 0xF8F00000 -#define SCU_PERIPH_SIZE SZ_8K -#define SCU_PERIPH_VIRT (TTC0_VIRT - SCU_PERIPH_SIZE) - -#if IS_ENABLED(CONFIG_DEBUG_ZYNQ_UART1) -# define LL_UART_PADDR UART1_PHYS -#else -# define LL_UART_PADDR UART0_PHYS -#endif - -#define LL_UART_VADDR UART_VIRT - -/* The following are intended for the devices that are mapped early */ - -#define TTC0_BASE IOMEM(TTC0_VIRT) -#define SCU_PERIPH_BASE IOMEM(SCU_PERIPH_VIRT) - -#endif diff --git a/arch/arm/mach-zynq/timer.c b/arch/arm/mach-zynq/timer.c index 9662306aa12..de3df283da7 100644 --- a/arch/arm/mach-zynq/timer.c +++ b/arch/arm/mach-zynq/timer.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/clk-provider.h> -#include <mach/zynq_soc.h> #include "common.h" /* |