353 lines
10 KiB
C
353 lines
10 KiB
C
/*
|
|
* 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/sysdev.h>
|
|
#include <linux/amba/bus.h>
|
|
#include <linux/amba/pl061.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <asm/irq.h>
|
|
#include <asm/leds.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/smp_twd.h>
|
|
#include <asm/hardware/gic.h>
|
|
#include <asm/hardware/cache-l2x0.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/mmc.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_GIC_CPU_BASE),
|
|
.pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_CPU_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,
|
|
.irq_base = -1,
|
|
};
|
|
|
|
static struct pl061_platform_data gpio1_plat_data = {
|
|
.gpio_base = 8,
|
|
.irq_base = -1,
|
|
};
|
|
|
|
static struct pl061_platform_data gpio2_plat_data = {
|
|
.gpio_base = 16,
|
|
.irq_base = -1,
|
|
};
|
|
|
|
/*
|
|
* RealView PBXCore AMBA devices
|
|
*/
|
|
|
|
#define GPIO2_IRQ { IRQ_PBX_GPIO2, NO_IRQ }
|
|
#define GPIO2_DMA { 0, 0 }
|
|
#define GPIO3_IRQ { IRQ_PBX_GPIO3, NO_IRQ }
|
|
#define GPIO3_DMA { 0, 0 }
|
|
#define AACI_IRQ { IRQ_PBX_AACI, NO_IRQ }
|
|
#define AACI_DMA { 0x80, 0x81 }
|
|
#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
|
|
#define MMCI0_DMA { 0x84, 0 }
|
|
#define KMI0_IRQ { IRQ_PBX_KMI0, NO_IRQ }
|
|
#define KMI0_DMA { 0, 0 }
|
|
#define KMI1_IRQ { IRQ_PBX_KMI1, NO_IRQ }
|
|
#define KMI1_DMA { 0, 0 }
|
|
#define PBX_SMC_IRQ { NO_IRQ, NO_IRQ }
|
|
#define PBX_SMC_DMA { 0, 0 }
|
|
#define MPMC_IRQ { NO_IRQ, NO_IRQ }
|
|
#define MPMC_DMA { 0, 0 }
|
|
#define PBX_CLCD_IRQ { IRQ_PBX_CLCD, NO_IRQ }
|
|
#define PBX_CLCD_DMA { 0, 0 }
|
|
#define DMAC_IRQ { IRQ_PBX_DMAC, NO_IRQ }
|
|
#define DMAC_DMA { 0, 0 }
|
|
#define SCTL_IRQ { NO_IRQ, NO_IRQ }
|
|
#define SCTL_DMA { 0, 0 }
|
|
#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG, NO_IRQ }
|
|
#define PBX_WATCHDOG_DMA { 0, 0 }
|
|
#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0, NO_IRQ }
|
|
#define PBX_GPIO0_DMA { 0, 0 }
|
|
#define GPIO1_IRQ { IRQ_PBX_GPIO1, NO_IRQ }
|
|
#define GPIO1_DMA { 0, 0 }
|
|
#define PBX_RTC_IRQ { IRQ_PBX_RTC, NO_IRQ }
|
|
#define PBX_RTC_DMA { 0, 0 }
|
|
#define SCI_IRQ { IRQ_PBX_SCI, NO_IRQ }
|
|
#define SCI_DMA { 7, 6 }
|
|
#define PBX_UART0_IRQ { IRQ_PBX_UART0, NO_IRQ }
|
|
#define PBX_UART0_DMA { 15, 14 }
|
|
#define PBX_UART1_IRQ { IRQ_PBX_UART1, NO_IRQ }
|
|
#define PBX_UART1_DMA { 13, 12 }
|
|
#define PBX_UART2_IRQ { IRQ_PBX_UART2, NO_IRQ }
|
|
#define PBX_UART2_DMA { 11, 10 }
|
|
#define PBX_UART3_IRQ { IRQ_PBX_UART3, NO_IRQ }
|
|
#define PBX_UART3_DMA { 0x86, 0x87 }
|
|
#define PBX_SSP_IRQ { IRQ_PBX_SSP, NO_IRQ }
|
|
#define PBX_SSP_DMA { 9, 8 }
|
|
|
|
/* FPGA Primecells */
|
|
AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
|
|
AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data);
|
|
AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL);
|
|
AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL);
|
|
AMBA_DEVICE(uart3, "fpga:09", PBX_UART3, NULL);
|
|
|
|
/* DevChip Primecells */
|
|
AMBA_DEVICE(smc, "dev:00", PBX_SMC, NULL);
|
|
AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
|
|
AMBA_DEVICE(wdog, "dev:e1", PBX_WATCHDOG, NULL);
|
|
AMBA_DEVICE(gpio0, "dev:e4", PBX_GPIO0, &gpio0_plat_data);
|
|
AMBA_DEVICE(gpio1, "dev:e5", GPIO1, &gpio1_plat_data);
|
|
AMBA_DEVICE(gpio2, "dev:e6", GPIO2, &gpio2_plat_data);
|
|
AMBA_DEVICE(rtc, "dev:e8", PBX_RTC, NULL);
|
|
AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
|
|
AMBA_DEVICE(uart0, "dev:f1", PBX_UART0, NULL);
|
|
AMBA_DEVICE(uart1, "dev:f2", PBX_UART1, NULL);
|
|
AMBA_DEVICE(uart2, "dev:f3", PBX_UART2, NULL);
|
|
AMBA_DEVICE(ssp0, "dev:f4", PBX_SSP, NULL);
|
|
|
|
/* Primecells on the NEC ISSP chip */
|
|
AMBA_DEVICE(clcd, "issp:20", PBX_CLCD, &clcd_plat_data);
|
|
AMBA_DEVICE(dmac, "issp:30", 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 void __init gic_init_irq(void)
|
|
{
|
|
/* ARM PBX on-board GIC */
|
|
if (core_tile_pbx11mp() || core_tile_pbxa9mp()) {
|
|
gic_cpu_base_addr = __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE);
|
|
gic_dist_init(0, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
|
|
29);
|
|
gic_cpu_init(0, __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
|
|
} else {
|
|
gic_cpu_base_addr = __io_address(REALVIEW_PBX_GIC_CPU_BASE);
|
|
gic_dist_init(0, __io_address(REALVIEW_PBX_GIC_DIST_BASE),
|
|
IRQ_PBX_GIC_START);
|
|
gic_cpu_init(0, __io_address(REALVIEW_PBX_GIC_CPU_BASE));
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
#ifdef CONFIG_LOCAL_TIMERS
|
|
if (core_tile_pbx11mp() || core_tile_pbxa9mp())
|
|
twd_base = __io_address(REALVIEW_PBX_TILE_TWD_BASE);
|
|
#endif
|
|
realview_timer_init(IRQ_PBX_TIMER0_1);
|
|
}
|
|
|
|
static struct sys_timer realview_pbx_timer = {
|
|
.init = realview_pbx_timer_init,
|
|
};
|
|
|
|
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 + L2X0_TAG_LATENCY_CTRL);
|
|
writel(0, l2x0_base + L2X0_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);
|
|
}
|
|
#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);
|
|
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);
|
|
}
|
|
|
|
#ifdef CONFIG_LEDS
|
|
leds_event = realview_leds_event;
|
|
#endif
|
|
}
|
|
|
|
MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
|
|
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
|
|
.phys_io = REALVIEW_PBX_UART0_BASE,
|
|
.io_pg_offst = (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc,
|
|
.boot_params = PHYS_OFFSET + 0x00000100,
|
|
.map_io = realview_pbx_map_io,
|
|
.init_irq = gic_init_irq,
|
|
.timer = &realview_pbx_timer,
|
|
.init_machine = realview_pbx_init,
|
|
MACHINE_END
|