--- /dev/null
+/*
+ * linux/arch/arm/mach-realview/realview_pb11mp.c
+ *
+ * Copyright (C) 2008 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/pgtable.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/smp_twd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+
+#include <mach/board-pb11mp.h>
+#include <mach/irqs.h>
+
+#include "core.h"
+
+static struct map_desc realview_pb11mp_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_PB11MP_GIC_CPU_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, { /* Maps the SCU, GIC CPU interface, TWD, GIC DIST */
+ .virtual = IO_ADDRESS(REALVIEW_TC11MP_PRIV_MEM_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_TC11MP_PRIV_MEM_BASE),
+ .length = REALVIEW_TC11MP_PRIV_MEM_SIZE,
+ .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_PB11MP_TIMER0_1_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
+ .length = SZ_8K,
+ .type = MT_DEVICE,
+ },
+#ifdef CONFIG_DEBUG_LL
+ {
+ .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
+ .pfn = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+#endif
+};
+
+static void __init realview_pb11mp_map_io(void)
+{
+ iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_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 PB11MPCore AMBA devices
+ */
+
+#define GPIO2_IRQ { IRQ_PB11MP_GPIO2 }
+#define GPIO3_IRQ { IRQ_PB11MP_GPIO3 }
+#define AACI_IRQ { IRQ_TC11MP_AACI }
+#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
+#define KMI0_IRQ { IRQ_TC11MP_KMI0 }
+#define KMI1_IRQ { IRQ_TC11MP_KMI1 }
+#define PB11MP_SMC_IRQ { }
+#define MPMC_IRQ { }
+#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD }
+#define DMAC_IRQ { IRQ_PB11MP_DMAC }
+#define SCTL_IRQ { }
+#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG }
+#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0 }
+#define GPIO1_IRQ { IRQ_PB11MP_GPIO1 }
+#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC }
+#define SCI_IRQ { IRQ_PB11MP_SCI }
+#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0 }
+#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1 }
+#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2 }
+#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3 }
+#define PB11MP_SSP_IRQ { IRQ_PB11MP_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", PB11MP_UART3, NULL);
+
+/* DevChip Primecells */
+AHB_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL);
+AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
+APB_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:gpio0", PB11MP_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", PB11MP_RTC, NULL);
+APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
+APB_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL);
+APB_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL);
+APB_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL);
+APB_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, &ssp0_plat_data);
+
+/* Primecells on the NEC ISSP chip */
+AHB_DEVICE(clcd, "issp:clcd", PB11MP_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 PB11MPCore platform devices
+ */
+static struct resource realview_pb11mp_flash_resource[] = {
+ [0] = {
+ .start = REALVIEW_PB11MP_FLASH0_BASE,
+ .end = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = REALVIEW_PB11MP_FLASH1_BASE,
+ .end = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct resource realview_pb11mp_smsc911x_resources[] = {
+ [0] = {
+ .start = REALVIEW_PB11MP_ETH_BASE,
+ .end = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TC11MP_ETH,
+ .end = IRQ_TC11MP_ETH,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource realview_pb11mp_isp1761_resources[] = {
+ [0] = {
+ .start = REALVIEW_PB11MP_USB_BASE,
+ .end = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TC11MP_USB,
+ .end = IRQ_TC11MP_USB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource pmu_resources[] = {
+ [0] = {
+ .start = IRQ_TC11MP_PMU_CPU0,
+ .end = IRQ_TC11MP_PMU_CPU0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [1] = {
+ .start = IRQ_TC11MP_PMU_CPU1,
+ .end = IRQ_TC11MP_PMU_CPU1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_TC11MP_PMU_CPU2,
+ .end = IRQ_TC11MP_PMU_CPU2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_TC11MP_PMU_CPU3,
+ .end = IRQ_TC11MP_PMU_CPU3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device pmu_device = {
+ .name = "armv6-pmu",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pmu_resources),
+ .resource = pmu_resources,
+};
+
+static void __init gic_init_irq(void)
+{
+ unsigned int pldctrl;
+
+ /* new irq mode with no DCC */
+ writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
+ pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
+ pldctrl |= 2 << 22;
+ writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
+ writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
+
+ /* ARM11MPCore test chip GIC, primary */
+ gic_init(0, 29, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE),
+ __io_address(REALVIEW_TC11MP_GIC_CPU_BASE));
+
+ /* board GIC, secondary */
+ gic_init(1, IRQ_PB11MP_GIC_START,
+ __io_address(REALVIEW_PB11MP_GIC_DIST_BASE),
+ __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
+ gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
+}
+
+#ifdef CONFIG_HAVE_ARM_TWD
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ REALVIEW_TC11MP_TWD_BASE,
+ IRQ_LOCALTIMER);
+
+static void __init realview_pb11mp_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_pb11mp_twd_init() do {} while(0)
+#endif
+
+static void __init realview_pb11mp_timer_init(void)
+{
+ timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
+ timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
+ timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
+ timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
+
+ realview_clk_init(__io_address(REALVIEW_SYS_BASE), false);
+ realview_timer_init(IRQ_TC11MP_TIMER0_1);
+ realview_pb11mp_twd_init();
+}
+
+static void realview_pb11mp_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(0x0000, reset_ctrl);
+ __raw_writel(0x0004, reset_ctrl);
+ dsb();
+}
+
+static void __init realview_pb11mp_init(void)
+{
+ int i;
+
+#ifdef CONFIG_CACHE_L2X0
+ /*
+ * The PL220 needs to be manually configured as the hardware
+ * doesn't report the correct sizes.
+ * 1MB (128KB/way), 8-way associativity, event monitor and
+ * parity enabled, ignore share bit, no force write allocate
+ * Bits: .... ...0 0111 1001 0000 .... .... ....
+ */
+ l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
+#endif
+
+ realview_flash_register(realview_pb11mp_flash_resource,
+ ARRAY_SIZE(realview_pb11mp_flash_resource));
+ realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
+ platform_device_register(&realview_i2c_device);
+ platform_device_register(&realview_cf_device);
+ platform_device_register(&realview_leds_device);
+ realview_usb_register(realview_pb11mp_isp1761_resources);
+ platform_device_register(&pmu_device);
+
+ 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_PB11MP, "ARM-RealView PB11MPCore")
+ /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
+ .atag_offset = 0x100,
+ .smp = smp_ops(realview_smp_ops),
+ .fixup = realview_fixup,
+ .map_io = realview_pb11mp_map_io,
+ .init_early = realview_init_early,
+ .init_irq = gic_init_irq,
+ .init_time = realview_pb11mp_timer_init,
+ .init_machine = realview_pb11mp_init,
+#ifdef CONFIG_ZONE_DMA
+ .dma_zone_size = SZ_256M,
+#endif
+ .restart = realview_pb11mp_restart,
+MACHINE_END
Code Review / kvmfornfv.git / blobdiff