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Magnus Damm
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Paul Mundt
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Nov 18, 2010
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refs/heads/master: 6d72ad35f1bfaf6e52ca7133cb51ce0e36f17528 | ||
refs/heads/master: 6d9598e24d50a8c72f48a3864327484a30aaee44 |
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/* | ||
* arch/arm/mach-shmobile/board-ag5evm.c | ||
* | ||
* Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com> | ||
* Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | ||
* | ||
* 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; version 2 of the License. | ||
* | ||
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
* | ||
*/ | ||
|
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#include <linux/kernel.h> | ||
#include <linux/init.h> | ||
#include <linux/interrupt.h> | ||
#include <linux/irq.h> | ||
#include <linux/platform_device.h> | ||
#include <linux/delay.h> | ||
#include <linux/io.h> | ||
#include <linux/dma-mapping.h> | ||
#include <linux/serial_sci.h> | ||
#include <linux/smsc911x.h> | ||
#include <linux/gpio.h> | ||
#include <mach/hardware.h> | ||
#include <mach/sh73a0.h> | ||
#include <mach/common.h> | ||
#include <asm/mach-types.h> | ||
#include <asm/mach/arch.h> | ||
#include <asm/mach/map.h> | ||
#include <asm/mach/time.h> | ||
#include <asm/hardware/gic.h> | ||
#include <asm/hardware/cache-l2x0.h> | ||
#include <asm/traps.h> | ||
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static struct resource smsc9220_resources[] = { | ||
[0] = { | ||
.start = 0x14000000, | ||
.end = 0x14000000 + SZ_64K - 1, | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
[1] = { | ||
.start = gic_spi(33), /* PINT1 */ | ||
.flags = IORESOURCE_IRQ, | ||
}, | ||
}; | ||
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static struct smsc911x_platform_config smsc9220_platdata = { | ||
.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, | ||
.phy_interface = PHY_INTERFACE_MODE_MII, | ||
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | ||
}; | ||
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static struct platform_device eth_device = { | ||
.name = "smsc911x", | ||
.id = 0, | ||
.dev = { | ||
.platform_data = &smsc9220_platdata, | ||
}, | ||
.resource = smsc9220_resources, | ||
.num_resources = ARRAY_SIZE(smsc9220_resources), | ||
}; | ||
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static struct platform_device *ag5evm_devices[] __initdata = { | ||
ð_device, | ||
}; | ||
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static struct map_desc ag5evm_io_desc[] __initdata = { | ||
/* create a 1:1 entity map for 0xe6xxxxxx | ||
* used by CPGA, INTC and PFC. | ||
*/ | ||
{ | ||
.virtual = 0xe6000000, | ||
.pfn = __phys_to_pfn(0xe6000000), | ||
.length = 256 << 20, | ||
.type = MT_DEVICE_NONSHARED | ||
}, | ||
}; | ||
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static void __init ag5evm_map_io(void) | ||
{ | ||
iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc)); | ||
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/* setup early devices and console here as well */ | ||
sh73a0_add_early_devices(); | ||
shmobile_setup_console(); | ||
} | ||
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#define PINTC_ADDR 0xe6900000 | ||
#define PINTER0A (PINTC_ADDR + 0xa0) | ||
#define PINTCR0A (PINTC_ADDR + 0xb0) | ||
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void __init ag5evm_init_irq(void) | ||
{ | ||
/* setup PINT: enable PINTA2 as active low */ | ||
__raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A); | ||
__raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A); | ||
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gic_dist_init(0, __io(0xf0001000), 29); | ||
gic_cpu_init(0, __io(0xf0000100)); | ||
} | ||
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#define PORT144CR 0xe6052090 | ||
#define PORT145CR 0xe6052091 | ||
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#define PORT154CR 0xe605209a | ||
#define PORT155CR 0xe605209b | ||
#define PORT156CR 0xe605209c | ||
#define PORT157CR 0xe605209d | ||
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#define PORTR159_128DR 0xe6056004 | ||
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static void __init ag5evm_init(void) | ||
{ | ||
/* enable SCIFA2 */ | ||
__raw_writeb(0x12, PORT154CR); /* TXD */ | ||
__raw_writeb(0x22, PORT155CR); /* RXD */ | ||
__raw_writeb(0x12, PORT156CR); /* RTS */ | ||
__raw_writeb(0x22, PORT157CR); /* CTS */ | ||
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/* enable SMSC911X */ | ||
__raw_writeb(0x20, PORT144CR); /* PINTA2 */ | ||
__raw_writeb(0x10, PORT145CR); /* RESET */ | ||
__raw_writel(__raw_readl(PORTR159_128DR) & ~(1 << 17), PORTR159_128DR); | ||
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#ifdef CONFIG_CACHE_L2X0 | ||
/* Shared attribute override enable, 64K*8way */ | ||
l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); | ||
#endif | ||
sh73a0_add_standard_devices(); | ||
platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices)); | ||
} | ||
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static void __init ag5evm_timer_init(void) | ||
{ | ||
sh73a0_clock_init(); | ||
shmobile_timer.init(); | ||
return; | ||
} | ||
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struct sys_timer ag5evm_timer = { | ||
.init = ag5evm_timer_init, | ||
}; | ||
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MACHINE_START(AG5EVM, "ag5evm") | ||
.map_io = ag5evm_map_io, | ||
.init_irq = ag5evm_init_irq, | ||
.init_machine = ag5evm_init, | ||
.timer = &ag5evm_timer, | ||
MACHINE_END |
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/* | ||
* sh73a0 clock framework support | ||
* | ||
* Copyright (C) 2010 Magnus Damm | ||
* | ||
* 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 | ||
* | ||
* 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/kernel.h> | ||
#include <linux/io.h> | ||
#include <linux/sh_clk.h> | ||
#include <mach/common.h> | ||
#include <asm/clkdev.h> | ||
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#define SMSTPCR0 0xe6150130 | ||
#define SMSTPCR1 0xe6150134 | ||
#define SMSTPCR2 0xe6150138 | ||
#define SMSTPCR3 0xe615013c | ||
#define SMSTPCR4 0xe6150140 | ||
#define SMSTPCR5 0xe6150144 | ||
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/* Fixed 32 KHz root clock from EXTALR pin */ | ||
static struct clk r_clk = { | ||
.rate = 32768, | ||
}; | ||
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/* Temporarily fixed 48 MHz SUB clock */ | ||
static struct clk sub_clk = { | ||
.rate = 48000000, | ||
}; | ||
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static struct clk *main_clks[] = { | ||
&r_clk, | ||
&sub_clk, | ||
}; | ||
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enum { MSTP219, | ||
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, | ||
MSTP331, MSTP329, | ||
MSTP_NR }; | ||
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#define MSTP(_parent, _reg, _bit, _flags) \ | ||
SH_CLK_MSTP32(_parent, _reg, _bit, _flags) | ||
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static struct clk mstp_clks[MSTP_NR] = { | ||
[MSTP219] = MSTP(&sub_clk, SMSTPCR2, 19, 0), /* SCIFA7 */ | ||
[MSTP207] = MSTP(&sub_clk, SMSTPCR2, 7, 0), /* SCIFA5 */ | ||
[MSTP206] = MSTP(&sub_clk, SMSTPCR2, 6, 0), /* SCIFB */ | ||
[MSTP204] = MSTP(&sub_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ | ||
[MSTP203] = MSTP(&sub_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ | ||
[MSTP202] = MSTP(&sub_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ | ||
[MSTP201] = MSTP(&sub_clk, SMSTPCR2, 1, 0), /* SCIFA3 */ | ||
[MSTP200] = MSTP(&sub_clk, SMSTPCR2, 0, 0), /* SCIFA4 */ | ||
[MSTP331] = MSTP(&sub_clk, SMSTPCR3, 31, 0), /* SCIFA6 */ | ||
[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ | ||
}; | ||
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#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } | ||
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static struct clk_lookup lookups[] = { | ||
/* MSTP32 clocks */ | ||
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */ | ||
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ | ||
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ | ||
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ | ||
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ | ||
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ | ||
CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ | ||
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ | ||
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */ | ||
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ | ||
}; | ||
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void __init sh73a0_clock_init(void) | ||
{ | ||
int k, ret = 0; | ||
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for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) | ||
ret = clk_register(main_clks[k]); | ||
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if (!ret) | ||
ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); | ||
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clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
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if (!ret) | ||
clk_init(); | ||
else | ||
panic("failed to setup sh73a0 clocks\n"); | ||
} |
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