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r: 91120
b: refs/heads/master
c: a9b67db
h: refs/heads/master
v: v3
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Bahadir Balban authored and Catalin Marinas committed Apr 18, 2008
1 parent 810bd26 commit f889f3c
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 51faf9b5c048f9e465322f8256e838586f4c11a7
refs/heads/master: a9b67db504b0c75d21bda801de1a03dd52e91c98
314 changes: 314 additions & 0 deletions trunk/arch/arm/mach-realview/realview_pb11mp.c
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/*
* 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/sysdev.h>
#include <linux/amba/bus.h>

#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/icst307.h>
#include <asm/hardware/cache-l2x0.h>

#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/mmc.h>
#include <asm/mach/time.h>

#include <asm/arch/board-pb11mp.h>
#include <asm/arch/irqs.h>

#include "core.h"
#include "clock.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,
}, {
.virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
.pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
.pfn = __phys_to_pfn(REALVIEW_TC11MP_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_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));
}

/*
* RealView PB11MPCore AMBA devices
*/

#define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
#define GPIO2_DMA { 0, 0 }
#define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
#define GPIO3_DMA { 0, 0 }
#define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
#define AACI_DMA { 0x80, 0x81 }
#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
#define MMCI0_DMA { 0x84, 0 }
#define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
#define KMI0_DMA { 0, 0 }
#define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
#define KMI1_DMA { 0, 0 }
#define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
#define PB11MP_SMC_DMA { 0, 0 }
#define MPMC_IRQ { NO_IRQ, NO_IRQ }
#define MPMC_DMA { 0, 0 }
#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
#define PB11MP_CLCD_DMA { 0, 0 }
#define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
#define DMAC_DMA { 0, 0 }
#define SCTL_IRQ { NO_IRQ, NO_IRQ }
#define SCTL_DMA { 0, 0 }
#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
#define PB11MP_WATCHDOG_DMA { 0, 0 }
#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
#define PB11MP_GPIO0_DMA { 0, 0 }
#define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
#define GPIO1_DMA { 0, 0 }
#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
#define PB11MP_RTC_DMA { 0, 0 }
#define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
#define SCI_DMA { 7, 6 }
#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
#define PB11MP_UART0_DMA { 15, 14 }
#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
#define PB11MP_UART1_DMA { 13, 12 }
#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
#define PB11MP_UART2_DMA { 11, 10 }
#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
#define PB11MP_UART3_DMA { 0x86, 0x87 }
#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
#define PB11MP_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", PB11MP_UART3, NULL);

/* DevChip Primecells */
AMBA_DEVICE(smc, "dev:00", PB11MP_SMC, NULL);
AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
AMBA_DEVICE(wdog, "dev:e1", PB11MP_WATCHDOG, NULL);
AMBA_DEVICE(gpio0, "dev:e4", PB11MP_GPIO0, NULL);
AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
AMBA_DEVICE(rtc, "dev:e8", PB11MP_RTC, NULL);
AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
AMBA_DEVICE(uart0, "dev:f1", PB11MP_UART0, NULL);
AMBA_DEVICE(uart1, "dev:f2", PB11MP_UART1, NULL);
AMBA_DEVICE(uart2, "dev:f3", PB11MP_UART2, NULL);
AMBA_DEVICE(ssp0, "dev:f4", PB11MP_SSP, NULL);

/* Primecells on the NEC ISSP chip */
AMBA_DEVICE(clcd, "issp:20", PB11MP_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 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 platform_device realview_pb11mp_smsc911x_device = {
.name = "smc911x",
.id = 0,
.num_resources = ARRAY_SIZE(realview_pb11mp_smsc911x_resources),
.resource = realview_pb11mp_smsc911x_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_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
gic_cpu_init(0, gic_cpu_base_addr);

/* board GIC, secondary */
gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
}

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;

#ifdef CONFIG_LOCAL_TIMERS
twd_base_addr = __io_address(REALVIEW_TC11MP_TWD_BASE);
twd_size = REALVIEW_TC11MP_TWD_SIZE;
#endif
realview_timer_init(IRQ_TC11MP_TIMER0_1);
}

static struct sys_timer realview_pb11mp_timer = {
.init = realview_pb11mp_timer_init,
};

static void __init realview_pb11mp_init(void)
{
int i;

/* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
* Bits: .... ...0 0111 1001 0000 .... .... .... */
l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);

clk_register(&realview_clcd_clk);

realview_flash_register(realview_pb11mp_flash_resource,
ARRAY_SIZE(realview_pb11mp_flash_resource));
platform_device_register(&realview_pb11mp_smsc911x_device);
platform_device_register(&realview_i2c_device);

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_PB11MP, "ARM-RealView PB11MPCore")
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.phys_io = REALVIEW_PB11MP_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
.boot_params = 0x00000100,
.map_io = realview_pb11mp_map_io,
.init_irq = gic_init_irq,
.timer = &realview_pb11mp_timer,
.init_machine = realview_pb11mp_init,
MACHINE_END
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