diff options
Diffstat (limited to 'arch/arm/mach-msm/board-msm8x60.c')
| -rw-r--r-- | arch/arm/mach-msm/board-msm8x60.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c new file mode 100644 index 00000000..fb3496a5 --- /dev/null +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -0,0 +1,156 @@ +/* Copyright (c) 2010, 2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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 <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/memblock.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/hardware/gic.h> +#include <asm/setup.h> + +#include <mach/board.h> +#include <mach/msm_iomap.h> + +static void __init msm8x60_fixup(struct tag *tag, char **cmdline, + struct meminfo *mi) +{ + for (; tag->hdr.size; tag = tag_next(tag)) + if (tag->hdr.tag == ATAG_MEM && + tag->u.mem.start == 0x40200000) { + tag->u.mem.start = 0x40000000; + tag->u.mem.size += SZ_2M; + } +} + +static void __init msm8x60_reserve(void) +{ + memblock_remove(0x40000000, SZ_2M); +} + +static void __init msm8x60_map_io(void) +{ + msm_map_msm8x60_io(); +} + +#ifdef CONFIG_OF +static struct of_device_id msm_dt_gic_match[] __initdata = { + { .compatible = "qcom,msm-8660-qgic", .data = gic_of_init }, + {} +}; +#endif + +static void __init msm8x60_init_irq(void) +{ + if (!of_have_populated_dt()) + gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE, + (void *)MSM_QGIC_CPU_BASE); +#ifdef CONFIG_OF + else + of_irq_init(msm_dt_gic_match); +#endif + + /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ + writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); + + /* RUMI does not adhere to GIC spec by enabling STIs by default. + * Enable/clear is supposed to be RO for STIs, but is RW on RUMI. + */ + if (!machine_is_msm8x60_sim()) + writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET); +} + +static void __init msm8x60_init(void) +{ +} + +#ifdef CONFIG_OF +static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = { + {} +}; + +static void __init msm8x60_dt_init(void) +{ + if (of_machine_is_compatible("qcom,msm8660-surf")) { + printk(KERN_INFO "Init surf UART registers\n"); + msm8x60_init_uart12dm(); + } + + of_platform_populate(NULL, of_default_bus_match_table, + msm_auxdata_lookup, NULL); +} + +static const char *msm8x60_fluid_match[] __initdata = { + "qcom,msm8660-fluid", + "qcom,msm8660-surf", + NULL +}; +#endif /* CONFIG_OF */ + +MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = msm8x60_init, + .timer = &msm_timer, +MACHINE_END + +MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = msm8x60_init, + .timer = &msm_timer, +MACHINE_END + +MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = msm8x60_init, + .timer = &msm_timer, +MACHINE_END + +MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = msm8x60_init, + .timer = &msm_timer, +MACHINE_END + +#ifdef CONFIG_OF +/* TODO: General device tree support for all MSM. */ +DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)") + .map_io = msm8x60_map_io, + .init_irq = msm8x60_init_irq, + .init_machine = msm8x60_dt_init, + .timer = &msm_timer, + .dt_compat = msm8x60_fluid_match, +MACHINE_END +#endif /* CONFIG_OF */ |