diff options
Diffstat (limited to 'arch/arm/mach-spear13xx')
| -rw-r--r-- | arch/arm/mach-spear13xx/Kconfig | 20 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/Makefile | 10 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/headsmp.S | 47 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/hotplug.c | 103 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/debug-macro.S | 14 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/dma.h | 128 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/generic.h | 51 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/hardware.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/irqs.h | 20 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/spear.h | 54 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/timex.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/include/mach/uncompress.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/platsmp.c | 130 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/spear1310.c | 98 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/spear1340.c | 192 | ||||
| -rw-r--r-- | arch/arm/mach-spear13xx/spear13xx.c | 183 |
17 files changed, 0 insertions, 1092 deletions
diff --git a/arch/arm/mach-spear13xx/Kconfig b/arch/arm/mach-spear13xx/Kconfig deleted file mode 100644 index eaadc66d96b3..000000000000 --- a/arch/arm/mach-spear13xx/Kconfig +++ /dev/null @@ -1,20 +0,0 @@ -# -# SPEAr13XX Machine configuration file -# - -if ARCH_SPEAR13XX - -menu "SPEAr13xx Implementations" -config MACH_SPEAR1310 - bool "SPEAr1310 Machine support with Device Tree" - select PINCTRL_SPEAR1310 - help - Supports ST SPEAr1310 machine configured via the device-tree - -config MACH_SPEAR1340 - bool "SPEAr1340 Machine support with Device Tree" - select PINCTRL_SPEAR1340 - help - Supports ST SPEAr1340 machine configured via the device-tree -endmenu -endif #ARCH_SPEAR13XX diff --git a/arch/arm/mach-spear13xx/Makefile b/arch/arm/mach-spear13xx/Makefile deleted file mode 100644 index 3435ea78c15d..000000000000 --- a/arch/arm/mach-spear13xx/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# Makefile for SPEAr13XX machine series -# - -obj-$(CONFIG_SMP) += headsmp.o platsmp.o -obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o - -obj-$(CONFIG_ARCH_SPEAR13XX) += spear13xx.o -obj-$(CONFIG_MACH_SPEAR1310) += spear1310.o -obj-$(CONFIG_MACH_SPEAR1340) += spear1340.o diff --git a/arch/arm/mach-spear13xx/Makefile.boot b/arch/arm/mach-spear13xx/Makefile.boot deleted file mode 100644 index 4674a4c221db..000000000000 --- a/arch/arm/mach-spear13xx/Makefile.boot +++ /dev/null @@ -1,3 +0,0 @@ -zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-spear13xx/headsmp.S b/arch/arm/mach-spear13xx/headsmp.S deleted file mode 100644 index ed85473a047f..000000000000 --- a/arch/arm/mach-spear13xx/headsmp.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * arch/arm/mach-spear13XX/headsmp.S - * - * Picked from realview - * Copyright (c) 2012 ST Microelectronics Limited - * Shiraz Hashim <shiraz.hashim@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <linux/init.h> - - __INIT - -/* - * spear13xx specific entry point for secondary CPUs. This provides - * a "holding pen" into which all secondary cores are held until we're - * ready for them to initialise. - */ -ENTRY(spear13xx_secondary_startup) - mrc p15, 0, r0, c0, c0, 5 - and r0, r0, #15 - adr r4, 1f - ldmia r4, {r5, r6} - sub r4, r4, r5 - add r6, r6, r4 -pen: ldr r7, [r6] - cmp r7, r0 - bne pen - - /* re-enable coherency */ - mrc p15, 0, r0, c1, c0, 1 - orr r0, r0, #(1 << 6) | (1 << 0) - mcr p15, 0, r0, c1, c0, 1 - /* - * we've been released from the holding pen: secondary_stack - * should now contain the SVC stack for this core - */ - b secondary_startup - - .align -1: .long . - .long pen_release -ENDPROC(spear13xx_secondary_startup) diff --git a/arch/arm/mach-spear13xx/hotplug.c b/arch/arm/mach-spear13xx/hotplug.c deleted file mode 100644 index a7d2dd11a4f2..000000000000 --- a/arch/arm/mach-spear13xx/hotplug.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * linux/arch/arm/mach-spear13xx/hotplug.c - * - * Copyright (C) 2012 ST Microelectronics Ltd. - * Deepak Sikri <deepak.sikri@st.com> - * - * based upon linux/arch/arm/mach-realview/hotplug.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> -#include <asm/cacheflush.h> -#include <asm/cp15.h> -#include <asm/smp_plat.h> - -static inline void cpu_enter_lowpower(void) -{ - unsigned int v; - - flush_cache_all(); - asm volatile( - " mcr p15, 0, %1, c7, c5, 0\n" - " dsb\n" - /* - * Turn off coherency - */ - " mrc p15, 0, %0, c1, c0, 1\n" - " bic %0, %0, #0x20\n" - " mcr p15, 0, %0, c1, c0, 1\n" - " mrc p15, 0, %0, c1, c0, 0\n" - " bic %0, %0, %2\n" - " mcr p15, 0, %0, c1, c0, 0\n" - : "=&r" (v) - : "r" (0), "Ir" (CR_C) - : "cc", "memory"); -} - -static inline void cpu_leave_lowpower(void) -{ - unsigned int v; - - asm volatile("mrc p15, 0, %0, c1, c0, 0\n" - " orr %0, %0, %1\n" - " mcr p15, 0, %0, c1, c0, 0\n" - " mrc p15, 0, %0, c1, c0, 1\n" - " orr %0, %0, #0x20\n" - " mcr p15, 0, %0, c1, c0, 1\n" - : "=&r" (v) - : "Ir" (CR_C) - : "cc"); -} - -static inline void spear13xx_do_lowpower(unsigned int cpu, int *spurious) -{ - for (;;) { - wfi(); - - if (pen_release == cpu) { - /* - * OK, proper wakeup, we're done - */ - break; - } - - /* - * Getting here, means that we have come out of WFI without - * having been woken up - this shouldn't happen - * - * Just note it happening - when we're woken, we can report - * its occurrence. - */ - (*spurious)++; - } -} - -/* - * platform-specific code to shutdown a CPU - * - * Called with IRQs disabled - */ -void __ref spear13xx_cpu_die(unsigned int cpu) -{ - int spurious = 0; - - /* - * we're ready for shutdown now, so do it - */ - cpu_enter_lowpower(); - spear13xx_do_lowpower(cpu, &spurious); - - /* - * bring this CPU back into the world of cache - * coherency, and then restore interrupts - */ - cpu_leave_lowpower(); - - if (spurious) - pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious); -} diff --git a/arch/arm/mach-spear13xx/include/mach/debug-macro.S b/arch/arm/mach-spear13xx/include/mach/debug-macro.S deleted file mode 100644 index 9e3ae6bfe50d..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/debug-macro.S +++ /dev/null @@ -1,14 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/debug-macro.S - * - * Debugging macro include header spear13xx machine family - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <plat/debug-macro.S> diff --git a/arch/arm/mach-spear13xx/include/mach/dma.h b/arch/arm/mach-spear13xx/include/mach/dma.h deleted file mode 100644 index d50bdb605925..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/dma.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/dma.h - * - * DMA information for SPEAr13xx machine family - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_DMA_H -#define __MACH_DMA_H - -/* request id of all the peripherals */ -enum dma_master_info { - /* Accessible from only one master */ - DMA_MASTER_MCIF = 0, - DMA_MASTER_FSMC = 1, - /* Accessible from both 0 & 1 */ - DMA_MASTER_MEMORY = 0, - DMA_MASTER_ADC = 0, - DMA_MASTER_UART0 = 0, - DMA_MASTER_SSP0 = 0, - DMA_MASTER_I2C0 = 0, - -#ifdef CONFIG_MACH_SPEAR1310 - /* Accessible from only one master */ - SPEAR1310_DMA_MASTER_JPEG = 1, - - /* Accessible from both 0 & 1 */ - SPEAR1310_DMA_MASTER_I2S = 0, - SPEAR1310_DMA_MASTER_UART1 = 0, - SPEAR1310_DMA_MASTER_UART2 = 0, - SPEAR1310_DMA_MASTER_UART3 = 0, - SPEAR1310_DMA_MASTER_UART4 = 0, - SPEAR1310_DMA_MASTER_UART5 = 0, - SPEAR1310_DMA_MASTER_I2C1 = 0, - SPEAR1310_DMA_MASTER_I2C2 = 0, - SPEAR1310_DMA_MASTER_I2C3 = 0, - SPEAR1310_DMA_MASTER_I2C4 = 0, - SPEAR1310_DMA_MASTER_I2C5 = 0, - SPEAR1310_DMA_MASTER_I2C6 = 0, - SPEAR1310_DMA_MASTER_I2C7 = 0, - SPEAR1310_DMA_MASTER_SSP1 = 0, -#endif - -#ifdef CONFIG_MACH_SPEAR1340 - /* Accessible from only one master */ - SPEAR1340_DMA_MASTER_I2S_PLAY = 1, - SPEAR1340_DMA_MASTER_I2S_REC = 1, - SPEAR1340_DMA_MASTER_I2C1 = 1, - SPEAR1340_DMA_MASTER_UART1 = 1, - - /* following are accessible from both master 0 & 1 */ - SPEAR1340_DMA_MASTER_SPDIF = 0, - SPEAR1340_DMA_MASTER_CAM = 1, - SPEAR1340_DMA_MASTER_VIDEO_IN = 0, - SPEAR1340_DMA_MASTER_MALI = 0, -#endif -}; - -enum request_id { - DMA_REQ_ADC = 0, - DMA_REQ_SSP0_TX = 4, - DMA_REQ_SSP0_RX = 5, - DMA_REQ_UART0_TX = 6, - DMA_REQ_UART0_RX = 7, - DMA_REQ_I2C0_TX = 8, - DMA_REQ_I2C0_RX = 9, - -#ifdef CONFIG_MACH_SPEAR1310 - SPEAR1310_DMA_REQ_FROM_JPEG = 2, - SPEAR1310_DMA_REQ_TO_JPEG = 3, - SPEAR1310_DMA_REQ_I2S_TX = 10, - SPEAR1310_DMA_REQ_I2S_RX = 11, - - SPEAR1310_DMA_REQ_I2C1_RX = 0, - SPEAR1310_DMA_REQ_I2C1_TX = 1, - SPEAR1310_DMA_REQ_I2C2_RX = 2, - SPEAR1310_DMA_REQ_I2C2_TX = 3, - SPEAR1310_DMA_REQ_I2C3_RX = 4, - SPEAR1310_DMA_REQ_I2C3_TX = 5, - SPEAR1310_DMA_REQ_I2C4_RX = 6, - SPEAR1310_DMA_REQ_I2C4_TX = 7, - SPEAR1310_DMA_REQ_I2C5_RX = 8, - SPEAR1310_DMA_REQ_I2C5_TX = 9, - SPEAR1310_DMA_REQ_I2C6_RX = 10, - SPEAR1310_DMA_REQ_I2C6_TX = 11, - SPEAR1310_DMA_REQ_UART1_RX = 12, - SPEAR1310_DMA_REQ_UART1_TX = 13, - SPEAR1310_DMA_REQ_UART2_RX = 14, - SPEAR1310_DMA_REQ_UART2_TX = 15, - SPEAR1310_DMA_REQ_UART5_RX = 16, - SPEAR1310_DMA_REQ_UART5_TX = 17, - SPEAR1310_DMA_REQ_SSP1_RX = 18, - SPEAR1310_DMA_REQ_SSP1_TX = 19, - SPEAR1310_DMA_REQ_I2C7_RX = 20, - SPEAR1310_DMA_REQ_I2C7_TX = 21, - SPEAR1310_DMA_REQ_UART3_RX = 28, - SPEAR1310_DMA_REQ_UART3_TX = 29, - SPEAR1310_DMA_REQ_UART4_RX = 30, - SPEAR1310_DMA_REQ_UART4_TX = 31, -#endif - -#ifdef CONFIG_MACH_SPEAR1340 - SPEAR1340_DMA_REQ_SPDIF_TX = 2, - SPEAR1340_DMA_REQ_SPDIF_RX = 3, - SPEAR1340_DMA_REQ_I2S_TX = 10, - SPEAR1340_DMA_REQ_I2S_RX = 11, - SPEAR1340_DMA_REQ_UART1_TX = 12, - SPEAR1340_DMA_REQ_UART1_RX = 13, - SPEAR1340_DMA_REQ_I2C1_TX = 14, - SPEAR1340_DMA_REQ_I2C1_RX = 15, - SPEAR1340_DMA_REQ_CAM0_EVEN = 0, - SPEAR1340_DMA_REQ_CAM0_ODD = 1, - SPEAR1340_DMA_REQ_CAM1_EVEN = 2, - SPEAR1340_DMA_REQ_CAM1_ODD = 3, - SPEAR1340_DMA_REQ_CAM2_EVEN = 4, - SPEAR1340_DMA_REQ_CAM2_ODD = 5, - SPEAR1340_DMA_REQ_CAM3_EVEN = 6, - SPEAR1340_DMA_REQ_CAM3_ODD = 7, -#endif -}; - -#endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-spear13xx/include/mach/generic.h b/arch/arm/mach-spear13xx/include/mach/generic.h deleted file mode 100644 index 633e678e01a3..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/generic.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/generic.h - * - * spear13xx machine family generic header file - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_GENERIC_H -#define __MACH_GENERIC_H - -#include <linux/dmaengine.h> -#include <asm/mach/time.h> - -/* Add spear13xx structure declarations here */ -extern void spear13xx_timer_init(void); -extern struct pl022_ssp_controller pl022_plat_data; -extern struct dw_dma_platform_data dmac_plat_data; -extern struct dw_dma_slave cf_dma_priv; -extern struct dw_dma_slave nand_read_dma_priv; -extern struct dw_dma_slave nand_write_dma_priv; - -/* Add spear13xx family function declarations here */ -void __init spear_setup_of_timer(void); -void __init spear13xx_map_io(void); -void __init spear13xx_l2x0_init(void); -bool dw_dma_filter(struct dma_chan *chan, void *slave); -void spear_restart(char, const char *); -void spear13xx_secondary_startup(void); -void __cpuinit spear13xx_cpu_die(unsigned int cpu); - -extern struct smp_operations spear13xx_smp_ops; - -#ifdef CONFIG_MACH_SPEAR1310 -void __init spear1310_clk_init(void); -#else -static inline void spear1310_clk_init(void) {} -#endif - -#ifdef CONFIG_MACH_SPEAR1340 -void __init spear1340_clk_init(void); -#else -static inline void spear1340_clk_init(void) {} -#endif - -#endif /* __MACH_GENERIC_H */ diff --git a/arch/arm/mach-spear13xx/include/mach/hardware.h b/arch/arm/mach-spear13xx/include/mach/hardware.h deleted file mode 100644 index 40a8c178f10d..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/hardware.h +++ /dev/null @@ -1 +0,0 @@ -/* empty */ diff --git a/arch/arm/mach-spear13xx/include/mach/irqs.h b/arch/arm/mach-spear13xx/include/mach/irqs.h deleted file mode 100644 index 271a62b4cd31..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/irqs.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/irqs.h - * - * IRQ helper macros for spear13xx machine family - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_IRQS_H -#define __MACH_IRQS_H - -#define IRQ_GIC_END 160 -#define NR_IRQS IRQ_GIC_END - -#endif /* __MACH_IRQS_H */ diff --git a/arch/arm/mach-spear13xx/include/mach/spear.h b/arch/arm/mach-spear13xx/include/mach/spear.h deleted file mode 100644 index 7cfa6818865a..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/spear.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/spear.h - * - * spear13xx Machine family specific definition - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_SPEAR13XX_H -#define __MACH_SPEAR13XX_H - -#include <asm/memory.h> - -#define PERIP_GRP2_BASE UL(0xB3000000) -#define VA_PERIP_GRP2_BASE IOMEM(0xFE000000) -#define MCIF_SDHCI_BASE UL(0xB3000000) -#define SYSRAM0_BASE UL(0xB3800000) -#define VA_SYSRAM0_BASE IOMEM(0xFE800000) -#define SYS_LOCATION (VA_SYSRAM0_BASE + 0x600) - -#define PERIP_GRP1_BASE UL(0xE0000000) -#define VA_PERIP_GRP1_BASE IOMEM(0xFD000000) -#define UART_BASE UL(0xE0000000) -#define VA_UART_BASE IOMEM(0xFD000000) -#define SSP_BASE UL(0xE0100000) -#define MISC_BASE UL(0xE0700000) -#define VA_MISC_BASE IOMEM(0xFD700000) - -#define A9SM_AND_MPMC_BASE UL(0xEC000000) -#define VA_A9SM_AND_MPMC_BASE IOMEM(0xFC000000) - -/* A9SM peripheral offsets */ -#define A9SM_PERIP_BASE UL(0xEC800000) -#define VA_A9SM_PERIP_BASE IOMEM(0xFC800000) -#define VA_SCU_BASE (VA_A9SM_PERIP_BASE + 0x00) - -#define L2CC_BASE UL(0xED000000) -#define VA_L2CC_BASE IOMEM(UL(0xFB000000)) - -/* others */ -#define DMAC0_BASE UL(0xEA800000) -#define DMAC1_BASE UL(0xEB000000) -#define MCIF_CF_BASE UL(0xB2800000) - -/* Debug uart for linux, will be used for debug and uncompress messages */ -#define SPEAR_DBG_UART_BASE UART_BASE -#define VA_SPEAR_DBG_UART_BASE VA_UART_BASE - -#endif /* __MACH_SPEAR13XX_H */ diff --git a/arch/arm/mach-spear13xx/include/mach/timex.h b/arch/arm/mach-spear13xx/include/mach/timex.h deleted file mode 100644 index 3a58b8284a6a..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/timex.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * arch/arm/mach-spear3xx/include/mach/timex.h - * - * SPEAr3XX machine family specific timex definitions - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_TIMEX_H -#define __MACH_TIMEX_H - -#include <plat/timex.h> - -#endif /* __MACH_TIMEX_H */ diff --git a/arch/arm/mach-spear13xx/include/mach/uncompress.h b/arch/arm/mach-spear13xx/include/mach/uncompress.h deleted file mode 100644 index 70fe72f05dea..000000000000 --- a/arch/arm/mach-spear13xx/include/mach/uncompress.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * arch/arm/mach-spear13xx/include/mach/uncompress.h - * - * Serial port stubs for kernel decompress status messages - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __MACH_UNCOMPRESS_H -#define __MACH_UNCOMPRESS_H - -#include <plat/uncompress.h> - -#endif /* __MACH_UNCOMPRESS_H */ diff --git a/arch/arm/mach-spear13xx/platsmp.c b/arch/arm/mach-spear13xx/platsmp.c deleted file mode 100644 index af4ade61cd95..000000000000 --- a/arch/arm/mach-spear13xx/platsmp.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * arch/arm/mach-spear13xx/platsmp.c - * - * based upon linux/arch/arm/mach-realview/platsmp.c - * - * Copyright (C) 2012 ST Microelectronics Ltd. - * Shiraz Hashim <shiraz.hashim@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/delay.h> -#include <linux/jiffies.h> -#include <linux/io.h> -#include <linux/smp.h> -#include <linux/irqchip/arm-gic.h> -#include <asm/cacheflush.h> -#include <asm/smp_scu.h> -#include <mach/spear.h> -#include <mach/generic.h> - -static DEFINE_SPINLOCK(boot_lock); - -static void __iomem *scu_base = IOMEM(VA_SCU_BASE); - -static void __cpuinit spear13xx_secondary_init(unsigned int cpu) -{ - /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* - * let the primary processor know we're out of the - * pen, then head off into the C entry point - */ - pen_release = -1; - smp_wmb(); - - /* - * Synchronise with the boot thread. - */ - spin_lock(&boot_lock); - spin_unlock(&boot_lock); -} - -static int __cpuinit spear13xx_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - unsigned long timeout; - - /* - * set synchronisation state between this boot processor - * and the secondary one - */ - spin_lock(&boot_lock); - - /* - * The secondary processor is waiting to be released from - * the holding pen - release it, then wait for it to flag - * that it has been released by resetting pen_release. - * - * Note that "pen_release" is the hardware CPU ID, whereas - * "cpu" is Linux's internal ID. - */ - pen_release = cpu; - flush_cache_all(); - outer_flush_all(); - - timeout = jiffies + (1 * HZ); - while (time_before(jiffies, timeout)) { - smp_rmb(); - if (pen_release == -1) - break; - - udelay(10); - } - - /* - * now the secondary core is starting up let it run its - * calibrations, then wait for it to finish - */ - spin_unlock(&boot_lock); - - return pen_release != -1 ? -ENOSYS : 0; -} - -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ -static void __init spear13xx_smp_init_cpus(void) -{ - unsigned int i, ncores = scu_get_core_count(scu_base); - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - -static void __init spear13xx_smp_prepare_cpus(unsigned int max_cpus) -{ - - scu_enable(scu_base); - - /* - * Write the address of secondary startup into the system-wide location - * (presently it is in SRAM). The BootMonitor waits until it receives a - * soft interrupt, and then the secondary CPU branches to this address. - */ - __raw_writel(virt_to_phys(spear13xx_secondary_startup), SYS_LOCATION); -} - -struct smp_operations spear13xx_smp_ops __initdata = { - .smp_init_cpus = spear13xx_smp_init_cpus, - .smp_prepare_cpus = spear13xx_smp_prepare_cpus, - .smp_secondary_init = spear13xx_secondary_init, - .smp_boot_secondary = spear13xx_boot_secondary, -#ifdef CONFIG_HOTPLUG_CPU - .cpu_die = spear13xx_cpu_die, -#endif -}; diff --git a/arch/arm/mach-spear13xx/spear1310.c b/arch/arm/mach-spear13xx/spear1310.c deleted file mode 100644 index 56214d1076ef..000000000000 --- a/arch/arm/mach-spear13xx/spear1310.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * arch/arm/mach-spear13xx/spear1310.c - * - * SPEAr1310 machine source file - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define pr_fmt(fmt) "SPEAr1310: " fmt - -#include <linux/amba/pl022.h> -#include <linux/irqchip.h> -#include <linux/of_platform.h> -#include <linux/pata_arasan_cf_data.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <mach/generic.h> -#include <mach/spear.h> - -/* Base addresses */ -#define SPEAR1310_SSP1_BASE UL(0x5D400000) -#define SPEAR1310_SATA0_BASE UL(0xB1000000) -#define SPEAR1310_SATA1_BASE UL(0xB1800000) -#define SPEAR1310_SATA2_BASE UL(0xB4000000) - -#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) -#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) -#define SPEAR1310_RAS_BASE UL(0xD8400000) -#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000)) - -static struct arasan_cf_pdata cf_pdata = { - .cf_if_clk = CF_IF_CLK_166M, - .quirk = CF_BROKEN_UDMA, - .dma_priv = &cf_dma_priv, -}; - -/* ssp device registration */ -static struct pl022_ssp_controller ssp1_plat_data = { - .enable_dma = 0, -}; - -/* Add SPEAr1310 auxdata to pass platform data */ -static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), - - OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), - {} -}; - -static void __init spear1310_dt_init(void) -{ - of_platform_populate(NULL, of_default_bus_match_table, - spear1310_auxdata_lookup, NULL); -} - -static const char * const spear1310_dt_board_compat[] = { - "st,spear1310", - "st,spear1310-evb", - NULL, -}; - -/* - * Following will create 16MB static virtual/physical mappings - * PHYSICAL VIRTUAL - * 0xD8000000 0xFA000000 - */ -struct map_desc spear1310_io_desc[] __initdata = { - { - .virtual = VA_SPEAR1310_RAS_GRP1_BASE, - .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), - .length = SZ_16M, - .type = MT_DEVICE - }, -}; - -static void __init spear1310_map_io(void) -{ - iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); - spear13xx_map_io(); -} - -DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") - .smp = smp_ops(spear13xx_smp_ops), - .map_io = spear1310_map_io, - .init_irq = irqchip_init, - .init_time = spear13xx_timer_init, - .init_machine = spear1310_dt_init, - .restart = spear_restart, - .dt_compat = spear1310_dt_board_compat, -MACHINE_END diff --git a/arch/arm/mach-spear13xx/spear1340.c b/arch/arm/mach-spear13xx/spear1340.c deleted file mode 100644 index 9a28beb2a113..000000000000 --- a/arch/arm/mach-spear13xx/spear1340.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * arch/arm/mach-spear13xx/spear1340.c - * - * SPEAr1340 machine source file - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define pr_fmt(fmt) "SPEAr1340: " fmt - -#include <linux/ahci_platform.h> -#include <linux/amba/serial.h> -#include <linux/delay.h> -#include <linux/dw_dmac.h> -#include <linux/of_platform.h> -#include <linux/irqchip.h> -#include <asm/mach/arch.h> -#include <mach/dma.h> -#include <mach/generic.h> -#include <mach/spear.h> - -/* Base addresses */ -#define SPEAR1340_SATA_BASE UL(0xB1000000) -#define SPEAR1340_UART1_BASE UL(0xB4100000) - -/* Power Management Registers */ -#define SPEAR1340_PCM_CFG (VA_MISC_BASE + 0x100) -#define SPEAR1340_PCM_WKUP_CFG (VA_MISC_BASE + 0x104) -#define SPEAR1340_SWITCH_CTR (VA_MISC_BASE + 0x108) - -#define SPEAR1340_PERIP1_SW_RST (VA_MISC_BASE + 0x318) -#define SPEAR1340_PERIP2_SW_RST (VA_MISC_BASE + 0x31C) -#define SPEAR1340_PERIP3_SW_RST (VA_MISC_BASE + 0x320) - -/* PCIE - SATA configuration registers */ -#define SPEAR1340_PCIE_SATA_CFG (VA_MISC_BASE + 0x424) - /* PCIE CFG MASks */ - #define SPEAR1340_PCIE_CFG_DEVICE_PRESENT (1 << 11) - #define SPEAR1340_PCIE_CFG_POWERUP_RESET (1 << 10) - #define SPEAR1340_PCIE_CFG_CORE_CLK_EN (1 << 9) - #define SPEAR1340_PCIE_CFG_AUX_CLK_EN (1 << 8) - #define SPEAR1340_SATA_CFG_TX_CLK_EN (1 << 4) - #define SPEAR1340_SATA_CFG_RX_CLK_EN (1 << 3) - #define SPEAR1340_SATA_CFG_POWERUP_RESET (1 << 2) - #define SPEAR1340_SATA_CFG_PM_CLK_EN (1 << 1) - #define SPEAR1340_PCIE_SATA_SEL_PCIE (0) - #define SPEAR1340_PCIE_SATA_SEL_SATA (1) - #define SPEAR1340_SATA_PCIE_CFG_MASK 0xF1F - #define SPEAR1340_PCIE_CFG_VAL (SPEAR1340_PCIE_SATA_SEL_PCIE | \ - SPEAR1340_PCIE_CFG_AUX_CLK_EN | \ - SPEAR1340_PCIE_CFG_CORE_CLK_EN | \ - SPEAR1340_PCIE_CFG_POWERUP_RESET | \ - SPEAR1340_PCIE_CFG_DEVICE_PRESENT) - #define SPEAR1340_SATA_CFG_VAL (SPEAR1340_PCIE_SATA_SEL_SATA | \ - SPEAR1340_SATA_CFG_PM_CLK_EN | \ - SPEAR1340_SATA_CFG_POWERUP_RESET | \ - SPEAR1340_SATA_CFG_RX_CLK_EN | \ - SPEAR1340_SATA_CFG_TX_CLK_EN) - -#define SPEAR1340_PCIE_MIPHY_CFG (VA_MISC_BASE + 0x428) - #define SPEAR1340_MIPHY_OSC_BYPASS_EXT (1 << 31) - #define SPEAR1340_MIPHY_CLK_REF_DIV2 (1 << 27) - #define SPEAR1340_MIPHY_CLK_REF_DIV4 (2 << 27) - #define SPEAR1340_MIPHY_CLK_REF_DIV8 (3 << 27) - #define SPEAR1340_MIPHY_PLL_RATIO_TOP(x) (x << 0) - #define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA \ - (SPEAR1340_MIPHY_OSC_BYPASS_EXT | \ - SPEAR1340_MIPHY_CLK_REF_DIV2 | \ - SPEAR1340_MIPHY_PLL_RATIO_TOP(60)) - #define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK \ - (SPEAR1340_MIPHY_PLL_RATIO_TOP(120)) - #define SPEAR1340_PCIE_SATA_MIPHY_CFG_PCIE \ - (SPEAR1340_MIPHY_OSC_BYPASS_EXT | \ - SPEAR1340_MIPHY_PLL_RATIO_TOP(25)) - -static struct dw_dma_slave uart1_dma_param[] = { - { - /* Tx */ - .cfg_hi = DWC_CFGH_DST_PER(SPEAR1340_DMA_REQ_UART1_TX), - .cfg_lo = 0, - .src_master = DMA_MASTER_MEMORY, - .dst_master = SPEAR1340_DMA_MASTER_UART1, - }, { - /* Rx */ - .cfg_hi = DWC_CFGH_SRC_PER(SPEAR1340_DMA_REQ_UART1_RX), - .cfg_lo = 0, - .src_master = SPEAR1340_DMA_MASTER_UART1, - .dst_master = DMA_MASTER_MEMORY, - } -}; - -static struct amba_pl011_data uart1_data = { - .dma_filter = dw_dma_filter, - .dma_tx_param = &uart1_dma_param[0], - .dma_rx_param = &uart1_dma_param[1], -}; - -/* SATA device registration */ -static int sata_miphy_init(struct device *dev, void __iomem *addr) -{ - writel(SPEAR1340_SATA_CFG_VAL, SPEAR1340_PCIE_SATA_CFG); - writel(SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK, - SPEAR1340_PCIE_MIPHY_CFG); - /* Switch on sata power domain */ - writel((readl(SPEAR1340_PCM_CFG) | (0x800)), SPEAR1340_PCM_CFG); - msleep(20); - /* Disable PCIE SATA Controller reset */ - writel((readl(SPEAR1340_PERIP1_SW_RST) & (~0x1000)), - SPEAR1340_PERIP1_SW_RST); - msleep(20); - - return 0; -} - -void sata_miphy_exit(struct device *dev) -{ - writel(0, SPEAR1340_PCIE_SATA_CFG); - writel(0, SPEAR1340_PCIE_MIPHY_CFG); - - /* Enable PCIE SATA Controller reset */ - writel((readl(SPEAR1340_PERIP1_SW_RST) | (0x1000)), - SPEAR1340_PERIP1_SW_RST); - msleep(20); - /* Switch off sata power domain */ - writel((readl(SPEAR1340_PCM_CFG) & (~0x800)), SPEAR1340_PCM_CFG); - msleep(20); -} - -int sata_suspend(struct device *dev) -{ - if (dev->power.power_state.event == PM_EVENT_FREEZE) - return 0; - - sata_miphy_exit(dev); - - return 0; -} - -int sata_resume(struct device *dev) -{ - if (dev->power.power_state.event == PM_EVENT_THAW) - return 0; - - return sata_miphy_init(dev, NULL); -} - -static struct ahci_platform_data sata_pdata = { - .init = sata_miphy_init, - .exit = sata_miphy_exit, - .suspend = sata_suspend, - .resume = sata_resume, -}; - -/* Add SPEAr1340 auxdata to pass platform data */ -static struct of_dev_auxdata spear1340_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), - OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), - - OF_DEV_AUXDATA("snps,spear-ahci", SPEAR1340_SATA_BASE, NULL, - &sata_pdata), - OF_DEV_AUXDATA("arm,pl011", SPEAR1340_UART1_BASE, NULL, &uart1_data), - {} -}; - -static void __init spear1340_dt_init(void) -{ - of_platform_populate(NULL, of_default_bus_match_table, - spear1340_auxdata_lookup, NULL); -} - -static const char * const spear1340_dt_board_compat[] = { - "st,spear1340", - "st,spear1340-evb", - NULL, -}; - -DT_MACHINE_START(SPEAR1340_DT, "ST SPEAr1340 SoC with Flattened Device Tree") - .smp = smp_ops(spear13xx_smp_ops), - .map_io = spear13xx_map_io, - .init_irq = irqchip_init, - .init_time = spear13xx_timer_init, - .init_machine = spear1340_dt_init, - .restart = spear_restart, - .dt_compat = spear1340_dt_board_compat, -MACHINE_END diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c deleted file mode 100644 index c7d2b4a8d8cc..000000000000 --- a/arch/arm/mach-spear13xx/spear13xx.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * arch/arm/mach-spear13xx/spear13xx.c - * - * SPEAr13XX machines common source file - * - * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define pr_fmt(fmt) "SPEAr13xx: " fmt - -#include <linux/amba/pl022.h> -#include <linux/clk.h> -#include <linux/dw_dmac.h> -#include <linux/err.h> -#include <linux/of.h> -#include <asm/hardware/cache-l2x0.h> -#include <asm/mach/map.h> -#include <asm/smp_twd.h> -#include <mach/dma.h> -#include <mach/generic.h> -#include <mach/spear.h> - -/* common dw_dma filter routine to be used by peripherals */ -bool dw_dma_filter(struct dma_chan *chan, void *slave) -{ - struct dw_dma_slave *dws = (struct dw_dma_slave *)slave; - - if (chan->device->dev == dws->dma_dev) { - chan->private = slave; - return true; - } else { - return false; - } -} - -/* ssp device registration */ -static struct dw_dma_slave ssp_dma_param[] = { - { - /* Tx */ - .cfg_hi = DWC_CFGH_DST_PER(DMA_REQ_SSP0_TX), - .cfg_lo = 0, - .src_master = DMA_MASTER_MEMORY, - .dst_master = DMA_MASTER_SSP0, - }, { - /* Rx */ - .cfg_hi = DWC_CFGH_SRC_PER(DMA_REQ_SSP0_RX), - .cfg_lo = 0, - .src_master = DMA_MASTER_SSP0, - .dst_master = DMA_MASTER_MEMORY, - } -}; - -struct pl022_ssp_controller pl022_plat_data = { - .enable_dma = 1, - .dma_filter = dw_dma_filter, - .dma_rx_param = &ssp_dma_param[1], - .dma_tx_param = &ssp_dma_param[0], -}; - -/* CF device registration */ -struct dw_dma_slave cf_dma_priv = { - .cfg_hi = 0, - .cfg_lo = 0, - .src_master = 0, - .dst_master = 0, -}; - -/* dmac device registeration */ -struct dw_dma_platform_data dmac_plat_data = { - .nr_channels = 8, - .chan_allocation_order = CHAN_ALLOCATION_DESCENDING, - .chan_priority = CHAN_PRIORITY_DESCENDING, - .block_size = 4095U, - .nr_masters = 2, - .data_width = { 3, 3, 0, 0 }, -}; - -void __init spear13xx_l2x0_init(void) -{ - /* - * 512KB (64KB/way), 8-way associativity, parity supported - * - * FIXME: 9th bit, of Auxillary Controller register must be set - * for some spear13xx devices for stable L2 operation. - * - * Enable Early BRESP, L2 prefetch for Instruction and Data, - * write alloc and 'Full line of zero' options - * - */ - - writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL); - - /* - * Program following latencies in order to make - * SPEAr1340 work at 600 MHz - */ - writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL); - writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL); - l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff); -} - -/* - * Following will create 16MB static virtual/physical mappings - * PHYSICAL VIRTUAL - * 0xB3000000 0xFE000000 - * 0xE0000000 0xFD000000 - * 0xEC000000 0xFC000000 - * 0xED000000 0xFB000000 - */ -struct map_desc spear13xx_io_desc[] __initdata = { - { - .virtual = (unsigned long)VA_PERIP_GRP2_BASE, - .pfn = __phys_to_pfn(PERIP_GRP2_BASE), - .length = SZ_16M, - .type = MT_DEVICE - }, { - .virtual = (unsigned long)VA_PERIP_GRP1_BASE, - .pfn = __phys_to_pfn(PERIP_GRP1_BASE), - .length = SZ_16M, - .type = MT_DEVICE - }, { - .virtual = (unsigned long)VA_A9SM_AND_MPMC_BASE, - .pfn = __phys_to_pfn(A9SM_AND_MPMC_BASE), - .length = SZ_16M, - .type = MT_DEVICE - }, { - .virtual = (unsigned long)VA_L2CC_BASE, - .pfn = __phys_to_pfn(L2CC_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -/* This will create static memory mapping for selected devices */ -void __init spear13xx_map_io(void) -{ - iotable_init(spear13xx_io_desc, ARRAY_SIZE(spear13xx_io_desc)); -} - -static void __init spear13xx_clk_init(void) -{ - if (of_machine_is_compatible("st,spear1310")) - spear1310_clk_init(); - else if (of_machine_is_compatible("st,spear1340")) - spear1340_clk_init(); - else - pr_err("%s: Unknown machine\n", __func__); -} - -void __init spear13xx_timer_init(void) -{ - char pclk_name[] = "osc_24m_clk"; - struct clk *gpt_clk, *pclk; - - spear13xx_clk_init(); - - /* get the system timer clock */ - gpt_clk = clk_get_sys("gpt0", NULL); - if (IS_ERR(gpt_clk)) { - pr_err("%s:couldn't get clk for gpt\n", __func__); - BUG(); - } - - /* get the suitable parent clock for timer*/ - pclk = clk_get(NULL, pclk_name); - if (IS_ERR(pclk)) { - pr_err("%s:couldn't get %s as parent for gpt\n", __func__, - pclk_name); - BUG(); - } - - clk_set_parent(gpt_clk, pclk); - clk_put(gpt_clk); - clk_put(pclk); - - spear_setup_of_timer(); - twd_local_timer_of_register(); -} |