update the Euphrates docs

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author	Yang Yu <Gabriel.yuyang@huawei.com>	2017-09-12 14:46:37 +0800
committer	Yu Yang (Gabriel) <Gabriel.yuyang@huawei.com>	2017-11-03 02:21:27 +0000
commit	1737fdc1ef75e3955b46f3d070f2abb80f3d87f1 (patch)
tree	f521f47a22d12c2aa9310e25e765eca7efa1aff1 /LICENSE
parent	ad12c5707ac1191063af5cd33d54dd30ff649787 (diff)

JIRA: BOTTLENECK-170 This patch is to update the euphrates docs to commandate new changes. Change-Id: I766f3e689c9093694e82995f1b0f013f316636ab Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 779ae65968952732fda657b35a92b201eb36d4ea)

Diffstat (limited to 'LICENSE')

0 files changed, 0 insertions, 0 deletions

/* * arch/arm/mach-realview/realview_pbx.c * * Copyright (C) 2009 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd * * 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. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/device.h> #include <linux/amba/bus.h> #include <linux/amba/pl061.h> #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> #include <linux/io.h> #include <linux/irqchip/arm-gic.h> #include <linux/platform_data/clk-realview.h> #include <linux/reboot.h> #include <linux/memblock.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/smp_twd.h> #include <asm/pgtable.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> #include <mach/hardware.h> #include <mach/board-pbx.h> #include <mach/irqs.h> #include "core.h" static struct map_desc realview_pbx_io_desc[] __initdata = { { .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_GIC_CPU_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_TIMER0_1_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE), .length = SZ_4K, .type = MT_DEVICE, }, #ifdef CONFIG_PCI { .virtual = PCIX_UNIT_BASE, .pfn = __phys_to_pfn(REALVIEW_PBX_PCI_BASE), .length = REALVIEW_PBX_PCI_BASE_SIZE, .type = MT_DEVICE, }, #endif #ifdef CONFIG_DEBUG_LL { .virtual = IO_ADDRESS(REALVIEW_PBX_UART0_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_UART0_BASE), .length = SZ_4K, .type = MT_DEVICE, }, #endif }; static struct map_desc realview_local_io_desc[] __initdata = { { .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE), .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE), .length = SZ_8K, .type = MT_DEVICE, } }; static void __init realview_pbx_map_io(void) { iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc)); if (core_tile_pbx11mp() || core_tile_pbxa9mp()) iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc)); } static struct pl061_platform_data gpio0_plat_data = { .gpio_base = 0, }; static struct pl061_platform_data gpio1_plat_data = { .gpio_base = 8, }; static struct pl061_platform_data gpio2_plat_data = { .gpio_base = 16, }; static struct pl022_ssp_controller ssp0_plat_data = { .bus_id = 0, .enable_dma = 0, .num_chipselect = 1, }; /* * RealView PBXCore AMBA devices */ #define GPIO2_IRQ { IRQ_PBX_GPIO2 } #define GPIO3_IRQ { IRQ_PBX_GPIO3 } #define AACI_IRQ { IRQ_PBX_AACI } #define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B } #define KMI0_IRQ { IRQ_PBX_KMI0 } #define KMI1_IRQ { IRQ_PBX_KMI1 } #define PBX_SMC_IRQ { } #define MPMC_IRQ { } #define PBX_CLCD_IRQ { IRQ_PBX_CLCD } #define DMAC_IRQ { IRQ_PBX_DMAC } #define SCTL_IRQ { } #define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG } #define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0 } #define GPIO1_IRQ { IRQ_PBX_GPIO1 } #define PBX_RTC_IRQ { IRQ_PBX_RTC } #define SCI_IRQ { IRQ_PBX_SCI } #define PBX_UART0_IRQ { IRQ_PBX_UART0 } #define PBX_UART1_IRQ { IRQ_PBX_UART1 } #define PBX_UART2_IRQ { IRQ_PBX_UART2 } #define PBX_UART3_IRQ { IRQ_PBX_UART3 } #define PBX_SSP_IRQ { IRQ_PBX_SSP } /* FPGA Primecells */ APB_DEVICE(aaci, "fpga:aaci", AACI, NULL); APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data); APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL); APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL); APB_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL); /* DevChip Primecells */ AHB_DEVICE(smc, "dev:smc", PBX_SMC, NULL); AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL); APB_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL); APB_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data); APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data); APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data); APB_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL); APB_DEVICE(sci0, "dev:sci0", SCI, NULL); APB_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL); APB_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL); APB_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL); APB_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data); /* Primecells on the NEC ISSP chip */ AHB_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data); AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL); static struct amba_device *amba_devs[] __initdata = { &dmac_device, &uart0_device, &uart1_device, &uart2_device, &uart3_device, &smc_device, &clcd_device, &sctl_device, &wdog_device, &gpio0_device, &gpio1_device, &gpio2_device, &rtc_device, &sci0_device, &ssp0_device, &aaci_device, &mmc0_device, &kmi0_device, &kmi1_device, }; /* * RealView PB-X platform devices */ static struct resource realview_pbx_flash_resources[] = { [0] = { .start = REALVIEW_PBX_FLASH0_BASE, .end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = REALVIEW_PBX_FLASH1_BASE, .end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1, .flags = IORESOURCE_MEM, }, }; static struct resource realview_pbx_smsc911x_resources[] = { [0] = { .start = REALVIEW_PBX_ETH_BASE, .end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_PBX_ETH, .end = IRQ_PBX_ETH, .flags = IORESOURCE_IRQ, }, }; static struct resource realview_pbx_isp1761_resources[] = { [0] = { .start = REALVIEW_PBX_USB_BASE, .end = REALVIEW_PBX_USB_BASE + SZ_128K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_PBX_USB, .end = IRQ_PBX_USB, .flags = IORESOURCE_IRQ, }, }; static struct resource pmu_resources[] = { [0] = { .start = IRQ_PBX_PMU_CPU0, .end = IRQ_PBX_PMU_CPU0, .flags = IORESOURCE_IRQ, }, [1] = { .start = IRQ_PBX_PMU_CPU1, .end = IRQ_PBX_PMU_CPU1, .flags = IORESOURCE_IRQ, }, [2] = { .start = IRQ_PBX_PMU_CPU2, .end = IRQ_PBX_PMU_CPU2, .flags = IORESOURCE_IRQ, }, [3] = { .start = IRQ_PBX_PMU_CPU3, .end = IRQ_PBX_PMU_CPU3, .flags = IORESOURCE_IRQ, }, }; static struct platform_device pmu_device = { .name = "armv7-pmu", .id = -1, .num_resources = ARRAY_SIZE(pmu_resources), .resource = pmu_resources, }; static void __init gic_init_irq(void) { /* ARM PBX on-board GIC */ if (core_tile_pbx11mp() || core_tile_pbxa9mp()) { gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE), __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE)); } else { gic_init(0, IRQ_PBX_GIC_START, __io_address(REALVIEW_PBX_GIC_DIST_BASE), __io_address(REALVIEW_PBX_GIC_CPU_BASE)); } } #ifdef CONFIG_HAVE_ARM_TWD static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, REALVIEW_PBX_TILE_TWD_BASE, IRQ_LOCALTIMER); static void __init realview_pbx_twd_init(void) { int err = twd_local_timer_register(&twd_local_timer); if (err) pr_err("twd_local_timer_register failed %d\n", err); } #else #define realview_pbx_twd_init() do { } while(0) #endif static void __init realview_pbx_timer_init(void) { timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE); timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20; timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20; realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(IRQ_PBX_TIMER0_1); realview_pbx_twd_init(); } static void realview_pbx_fixup(struct tag *tags, char **from) { #ifdef CONFIG_SPARSEMEM /* * Memory configuration with SPARSEMEM enabled on RealView PBX (see * asm/mach/memory.h for more information). */ memblock_add(0, SZ_256M); memblock_add(0x20000000, SZ_512M); memblock_add(0x80000000, SZ_256M); #else realview_fixup(tags, from); #endif } static void realview_pbx_restart(enum reboot_mode mode, const char *cmd) { void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL); void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK); /* * To reset, we hit the on-board reset register * in the system FPGA */ __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); __raw_writel(0x00F0, reset_ctrl); __raw_writel(0x00F4, reset_ctrl); dsb(); } static void __init realview_pbx_init(void) { int i; #ifdef CONFIG_CACHE_L2X0 if (core_tile_pbxa9mp()) { void __iomem *l2x0_base = __io_address(REALVIEW_PBX_TILE_L220_BASE); /* set RAM latencies to 1 cycle for eASIC */ writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); /* 16KB way size, 8-way associativity, parity disabled * Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */ l2x0_init(l2x0_base, 0x02520000, 0xc0000fff); platform_device_register(&pmu_device); } #endif realview_flash_register(realview_pbx_flash_resources, ARRAY_SIZE(realview_pbx_flash_resources)); realview_eth_register(NULL, realview_pbx_smsc911x_resources); platform_device_register(&realview_i2c_device); platform_device_register(&realview_cf_device); platform_device_register(&realview_leds_device); realview_usb_register(realview_pbx_isp1761_resources); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } } MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .atag_offset = 0x100, .smp = smp_ops(realview_smp_ops), .fixup = realview_pbx_fixup, .map_io = realview_pbx_map_io, .init_early = realview_init_early, .init_irq = gic_init_irq, .init_time = realview_pbx_timer_init, .init_machine = realview_pbx_init, #ifdef CONFIG_ZONE_DMA .dma_zone_size = SZ_256M, #endif .restart = realview_pbx_restart, MACHINE_END


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