diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/arm/mach-mvebu/armada-370-xp.c | |
Diffstat (limited to 'arch/arm/mach-mvebu/armada-370-xp.c')
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c new file mode 100644 index 00000000..1c48890b --- /dev/null +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -0,0 +1,96 @@ +/* + * Device Tree support for Armada 370 and XP platforms. + * + * Copyright (C) 2012 Marvell + * + * Lior Amsalem <alior@marvell.com> + * Gregory CLEMENT <gregory.clement@free-electrons.com> + * 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/of_platform.h> +#include <linux/io.h> +#include <linux/time-armada-370-xp.h> +#include <linux/clk/mvebu.h> +#include <linux/dma-mapping.h> +#include <linux/mbus.h> +#include <linux/irqchip.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include "armada-370-xp.h" +#include "common.h" +#include "coherency.h" + +static struct map_desc armada_370_xp_io_desc[] __initdata = { + { + .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, + }, +}; + +void __init armada_370_xp_map_io(void) +{ + iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc)); +} + +void __init armada_370_xp_timer_and_clk_init(void) +{ + mvebu_clocks_init(); + armada_370_xp_timer_init(); +} + +void __init armada_370_xp_init_early(void) +{ + char *mbus_soc_name; + + /* + * This initialization will be replaced by a DT-based + * initialization once the mvebu-mbus driver gains DT support. + */ + if (of_machine_is_compatible("marvell,armada370")) + mbus_soc_name = "marvell,armada370-mbus"; + else + mbus_soc_name = "marvell,armadaxp-mbus"; + + mvebu_mbus_init(mbus_soc_name, + ARMADA_370_XP_MBUS_WINS_BASE, + ARMADA_370_XP_MBUS_WINS_SIZE, + ARMADA_370_XP_SDRAM_WINS_BASE, + ARMADA_370_XP_SDRAM_WINS_SIZE); + +#ifdef CONFIG_CACHE_L2X0 + l2x0_of_init(0, ~0UL); +#endif +} + +static void __init armada_370_xp_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + coherency_init(); +} + +static const char * const armada_370_xp_dt_compat[] = { + "marvell,armada-370-xp", + NULL, +}; + +DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)") + .smp = smp_ops(armada_xp_smp_ops), + .init_machine = armada_370_xp_dt_init, + .map_io = armada_370_xp_map_io, + .init_early = armada_370_xp_init_early, + .init_irq = irqchip_init, + .init_time = armada_370_xp_timer_and_clk_init, + .restart = mvebu_restart, + .dt_compat = armada_370_xp_dt_compat, +MACHINE_END |