diff options
Diffstat (limited to 'arch/arm/mach-mvebu')
| -rw-r--r-- | arch/arm/mach-mvebu/Kconfig | 30 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/addr-map.c | 134 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.h (renamed from arch/arm/mach-mvebu/include/mach/armada-370-xp.h) | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/debug-macro.S | 24 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/gpio.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/timex.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/uncompress.h | 43 |
10 files changed, 169 insertions, 90 deletions
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index caa2c5e734f..416d46ef7eb 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -1,15 +1,39 @@ +config ARCH_MVEBU + bool "Marvell SOCs with Device Tree support" if ARCH_MULTI_V7 + select CLKSRC_MMIO + select COMMON_CLK + select GENERIC_CLOCKEVENTS + select GENERIC_IRQ_CHIP + select IRQ_DOMAIN + select MULTI_IRQ_HANDLER + select PINCTRL + select PLAT_ORION + select SPARSE_IRQ + if ARCH_MVEBU menu "Marvell SOC with device tree" config MACH_ARMADA_370_XP - bool "Marvell Armada 370 and Aramada XP boards" + bool select ARMADA_370_XP_TIMER select CPU_V7 + +config MACH_ARMADA_370 + bool "Marvell Armada 370 boards" + select MACH_ARMADA_370_XP + select PINCTRL_ARMADA_370 help + Say 'Y' here if you want your kernel to support boards based + on the Marvell Armada 370 SoC with device tree. - Say 'Y' here if you want your kernel to support boards based on - Marvell Armada 370 or Armada XP with device tree. +config MACH_ARMADA_XP + bool "Marvell Armada XP boards" + select MACH_ARMADA_370_XP + select PINCTRL_ARMADA_XP + help + Say 'Y' here if you want your kernel to support boards based + on the Marvell Armada XP SoC with device tree. endmenu diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index e61d2b8fdf5..57f996b6aa0 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -1,2 +1,5 @@ +ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ + -I$(srctree)/arch/arm/plat-orion/include + obj-y += system-controller.o -obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o +obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o diff --git a/arch/arm/mach-mvebu/Makefile.boot b/arch/arm/mach-mvebu/Makefile.boot deleted file mode 100644 index 2579a2fc233..00000000000 --- a/arch/arm/mach-mvebu/Makefile.boot +++ /dev/null @@ -1,3 +0,0 @@ -zreladdr-y := 0x00008000 -dtb-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-db.dtb -dtb-$(CONFIG_MACH_ARMADA_370_XP) += armada-xp-db.dtb diff --git a/arch/arm/mach-mvebu/addr-map.c b/arch/arm/mach-mvebu/addr-map.c new file mode 100644 index 00000000000..fe454a4430b --- /dev/null +++ b/arch/arm/mach-mvebu/addr-map.c @@ -0,0 +1,134 @@ +/* + * Address map functions for Marvell 370 / XP SoCs + * + * Copyright (C) 2012 Marvell + * + * Thomas Petazzoni <thomas.petazzoni@free-electrons.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 <linux/kernel.h> +#include <linux/init.h> +#include <linux/mbus.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <plat/addr-map.h> + +/* + * Generic Address Decode Windows bit settings + */ +#define ARMADA_XP_TARGET_DEV_BUS 1 +#define ARMADA_XP_ATTR_DEV_BOOTROM 0x1D +#define ARMADA_XP_TARGET_ETH1 3 +#define ARMADA_XP_TARGET_PCIE_0_2 4 +#define ARMADA_XP_TARGET_ETH0 7 +#define ARMADA_XP_TARGET_PCIE_1_3 8 + +#define ARMADA_370_TARGET_DEV_BUS 1 +#define ARMADA_370_ATTR_DEV_BOOTROM 0x1D +#define ARMADA_370_TARGET_PCIE_0 4 +#define ARMADA_370_TARGET_PCIE_1 8 + +#define ARMADA_WINDOW_8_PLUS_OFFSET 0x90 +#define ARMADA_SDRAM_ADDR_DECODING_OFFSET 0x180 + +static const struct __initdata orion_addr_map_info +armada_xp_addr_map_info[] = { + /* + * Window for the BootROM, needed for SMP on Armada XP + */ + { 0, 0xfff00000, SZ_1M, ARMADA_XP_TARGET_DEV_BUS, + ARMADA_XP_ATTR_DEV_BOOTROM, -1 }, + /* End marker */ + { -1, 0, 0, 0, 0, 0 }, +}; + +static const struct __initdata orion_addr_map_info +armada_370_addr_map_info[] = { + /* End marker */ + { -1, 0, 0, 0, 0, 0 }, +}; + +static struct of_device_id of_addr_decoding_controller_table[] = { + { .compatible = "marvell,armada-addr-decoding-controller" }, + { /* end of list */ }, +}; + +static void __iomem * +armada_cfg_base(const struct orion_addr_map_cfg *cfg, int win) +{ + unsigned int offset; + + /* The register layout is a bit annoying and the below code + * tries to cope with it. + * - At offset 0x0, there are the registers for the first 8 + * windows, with 4 registers of 32 bits per window (ctrl, + * base, remap low, remap high) + * - Then at offset 0x80, there is a hole of 0x10 bytes for + * the internal registers base address and internal units + * sync barrier register. + * - Then at offset 0x90, there the registers for 12 + * windows, with only 2 registers of 32 bits per window + * (ctrl, base). + */ + if (win < 8) + offset = (win << 4); + else + offset = ARMADA_WINDOW_8_PLUS_OFFSET + (win << 3); + + return cfg->bridge_virt_base + offset; +} + +static struct __initdata orion_addr_map_cfg addr_map_cfg = { + .num_wins = 20, + .remappable_wins = 8, + .win_cfg_base = armada_cfg_base, +}; + +static int __init armada_setup_cpu_mbus(void) +{ + struct device_node *np; + void __iomem *mbus_unit_addr_decoding_base; + void __iomem *sdram_addr_decoding_base; + + np = of_find_matching_node(NULL, of_addr_decoding_controller_table); + if (!np) + return -ENODEV; + + mbus_unit_addr_decoding_base = of_iomap(np, 0); + BUG_ON(!mbus_unit_addr_decoding_base); + + sdram_addr_decoding_base = + mbus_unit_addr_decoding_base + + ARMADA_SDRAM_ADDR_DECODING_OFFSET; + + addr_map_cfg.bridge_virt_base = mbus_unit_addr_decoding_base; + + /* + * Disable, clear and configure windows. + */ + if (of_machine_is_compatible("marvell,armadaxp")) + orion_config_wins(&addr_map_cfg, armada_xp_addr_map_info); + else if (of_machine_is_compatible("marvell,armada370")) + orion_config_wins(&addr_map_cfg, armada_370_addr_map_info); + else { + pr_err("Unsupported SoC\n"); + return -EINVAL; + } + + /* + * Setup MBUS dram target info. + */ + orion_setup_cpu_mbus_target(&addr_map_cfg, + sdram_addr_decoding_base); + return 0; +} + +/* Using a early_initcall is needed so that this initialization gets + * done before the SMP initialization, which requires the BootROM to + * be remapped. */ +early_initcall(armada_setup_cpu_mbus); diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 4ef923b032e..49d791548ad 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -20,12 +20,12 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> -#include <mach/armada-370-xp.h> +#include "armada-370-xp.h" #include "common.h" static struct map_desc armada_370_xp_io_desc[] __initdata = { { - .virtual = ARMADA_370_XP_REGS_VIRT_BASE, + .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE, .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE), .length = ARMADA_370_XP_REGS_SIZE, .type = MT_DEVICE, diff --git a/arch/arm/mach-mvebu/include/mach/armada-370-xp.h b/arch/arm/mach-mvebu/armada-370-xp.h index 25f0ca8d782..aac9bebc6b0 100644 --- a/arch/arm/mach-mvebu/include/mach/armada-370-xp.h +++ b/arch/arm/mach-mvebu/armada-370-xp.h @@ -16,7 +16,7 @@ #define __MACH_ARMADA_370_XP_H #define ARMADA_370_XP_REGS_PHYS_BASE 0xd0000000 -#define ARMADA_370_XP_REGS_VIRT_BASE 0xfeb00000 +#define ARMADA_370_XP_REGS_VIRT_BASE IOMEM(0xfeb00000) #define ARMADA_370_XP_REGS_SIZE SZ_1M #endif /* __MACH_ARMADA_370_XP_H */ diff --git a/arch/arm/mach-mvebu/include/mach/debug-macro.S b/arch/arm/mach-mvebu/include/mach/debug-macro.S deleted file mode 100644 index 22825760c7e..00000000000 --- a/arch/arm/mach-mvebu/include/mach/debug-macro.S +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Early serial output macro for Marvell SoC - * - * Copyright (C) 2012 Marvell - * - * Lior Amsalem <alior@marvell.com> - * Gregory Clement <gregory.clement@free-electrons.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 <mach/armada-370-xp.h> - - .macro addruart, rp, rv, tmp - ldr \rp, =ARMADA_370_XP_REGS_PHYS_BASE - ldr \rv, =ARMADA_370_XP_REGS_VIRT_BASE - orr \rp, \rp, #0x00012000 - orr \rv, \rv, #0x00012000 - .endm - -#define UART_SHIFT 2 -#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-mvebu/include/mach/gpio.h b/arch/arm/mach-mvebu/include/mach/gpio.h new file mode 100644 index 00000000000..40a8c178f10 --- /dev/null +++ b/arch/arm/mach-mvebu/include/mach/gpio.h @@ -0,0 +1 @@ +/* empty */ diff --git a/arch/arm/mach-mvebu/include/mach/timex.h b/arch/arm/mach-mvebu/include/mach/timex.h deleted file mode 100644 index ab324a3748f..00000000000 --- a/arch/arm/mach-mvebu/include/mach/timex.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * Marvell Armada SoC time definitions - * - * Copyright (C) 2012 Marvell - * - * Lior Amsalem <alior@marvell.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 CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-mvebu/include/mach/uncompress.h b/arch/arm/mach-mvebu/include/mach/uncompress.h deleted file mode 100644 index d6a100ccf30..00000000000 --- a/arch/arm/mach-mvebu/include/mach/uncompress.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Marvell Armada SoC kernel uncompression UART routines - * - * Copyright (C) 2012 Marvell - * - * Lior Amsalem <alior@marvell.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 <mach/armada-370-xp.h> - -#define UART_THR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ - + 0x12000)) -#define UART_LSR ((volatile unsigned char *)(ARMADA_370_XP_REGS_PHYS_BASE\ - + 0x12014)) - -#define LSR_THRE 0x20 - -static void putc(const char c) -{ - int i; - - for (i = 0; i < 0x1000; i++) { - /* Transmit fifo not full? */ - if (*UART_LSR & LSR_THRE) - break; - } - - *UART_THR = c; -} - -static void flush(void) -{ -} - -/* - * nothing to do - */ -#define arch_decomp_setup() -#define arch_decomp_wdog() |