[deliverable/linux.git] / arch / arm / mach-mx3 / kzmarm11.c

/*
 * KZM-ARM11-01 support
 *  Copyright (C) 2009  Yoichi Yuasa <yuasa@linux-mips.org>
 *
 * based on code for MX31ADS,
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
 *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * 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/gpio.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/smsc911x.h>
#include <linux/types.h>

#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/setup.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>

#include <mach/board-kzmarm11.h>
#include <mach/clock.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/memory.h>

#include "devices.h"

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/*
 * KZM-ARM11-01 has an external UART on FPGA
 */
static struct plat_serial8250_port serial_platform_data[] = {
	{
		.membase	= IO_ADDRESS(KZM_ARM11_16550),
		.mapbase	= KZM_ARM11_16550,
		.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
		.irqflags	= IRQ_TYPE_EDGE_RISING,
		.uartclk	= 14745600,
		.regshift	= 0,
		.iotype		= UPIO_MEM,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
				  UPF_BUGGY_UART,
	},
	{},
};

static struct resource serial8250_resources[] = {
	{
		.start	= KZM_ARM11_16550,
		.end	= KZM_ARM11_16550 + 0x10,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
		.end	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device serial_device = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev		= {
				.platform_data = serial_platform_data,
			  },
	.num_resources	= ARRAY_SIZE(serial8250_resources),
	.resource	= serial8250_resources,
};

static int __init kzm_init_ext_uart(void)
{
	u8 tmp;

	/*
	 * GPIO 1-1: external UART interrupt line
	 */
	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO));
	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "ext-uart-int");
	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));

	/*
	 * Unmask UART interrupt
	 */
	tmp = __raw_readb(IO_ADDRESS(KZM_ARM11_CTL1));
	tmp |= 0x2;
	__raw_writeb(tmp, IO_ADDRESS(KZM_ARM11_CTL1));

	return platform_device_register(&serial_device);
}
#else
static inline int kzm_init_ext_uart(void)
{
	return 0;
}
#endif

/*
 * SMSC LAN9118
 */
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
static struct smsc911x_platform_config kzm_smsc9118_config = {
	.phy_interface	= PHY_INTERFACE_MODE_MII,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
};

static struct resource kzm_smsc9118_resources[] = {
	{
		.start	= CS5_BASE_ADDR,
		.end	= CS5_BASE_ADDR + SZ_128K - 1,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
		.end	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct platform_device kzm_smsc9118_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(kzm_smsc9118_resources),
	.resource	= kzm_smsc9118_resources,
	.dev		= {
				.platform_data = &kzm_smsc9118_config,
			  },
};

static int __init kzm_init_smsc9118(void)
{
	/*
	 * GPIO 1-2: SMSC9118 interrupt line
	 */
	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO));
	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));

	return platform_device_register(&kzm_smsc9118_device);
}
#else
static inline int kzm_init_smsc9118(void)
{
	return 0;
}
#endif

#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
static struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static void __init kzm_init_imx_uart(void)
{
	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_register_device(&mxc_uart_device1, &uart_pdata);
}
#else
static inline void kzm_init_imx_uart(void)
{
}
#endif

static int kzm_pins[] __initdata = {
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1,
	MX31_PIN_DCD_DCE1__DCD_DCE1,
	MX31_PIN_RI_DCE1__RI_DCE1,
	MX31_PIN_DSR_DCE1__DSR_DCE1,
	MX31_PIN_DTR_DCE1__DTR_DCE1,
	MX31_PIN_CTS2__CTS2,
	MX31_PIN_RTS2__RTS2,
	MX31_PIN_TXD2__TXD2,
	MX31_PIN_RXD2__RXD2,
	MX31_PIN_DCD_DTE1__DCD_DTE2,
	MX31_PIN_RI_DTE1__RI_DTE2,
	MX31_PIN_DSR_DTE1__DSR_DTE2,
	MX31_PIN_DTR_DTE1__DTR_DTE2,
};

/*
 * Board specific initialization.
 */
static void __init kzm_board_init(void)
{
	mxc_iomux_setup_multiple_pins(kzm_pins,
				      ARRAY_SIZE(kzm_pins), "kzm");
	kzm_init_ext_uart();
	kzm_init_smsc9118();
	kzm_init_imx_uart();

	pr_info("Clock input source is 26MHz\n");
}

/*
 * This structure defines static mappings for the kzm-arm11-01 board.
 */
static struct map_desc kzm_io_desc[] __initdata = {
	{
		.virtual	= CS4_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
		.length		= CS4_SIZE,
		.type		= MT_DEVICE
	},
	{
		.virtual	= CS5_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(CS5_BASE_ADDR),
		.length		= CS5_SIZE,
		.type		= MT_DEVICE
	},
};

/*
 * Set up static virtual mappings.
 */
static void __init kzm_map_io(void)
{
	mx31_map_io();
	iotable_init(kzm_io_desc, ARRAY_SIZE(kzm_io_desc));
}

static void __init kzm_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static struct sys_timer kzm_timer = {
	.init   = kzm_timer_init,
};

/*
 * The following uses standard kernel macros define in arch.h in order to
 * initialize __mach_desc_KZM_ARM11_01 data structure.
 */
MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
	.phys_io        = AIPS1_BASE_ADDR,
	.io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params    = PHYS_OFFSET + 0x100,
	.map_io         = kzm_map_io,
	.init_irq       = mx31_init_irq,
	.init_machine   = kzm_board_init,
	.timer          = &kzm_timer,
MACHINE_END
Commit	Line	Data
415c7d26 YY	1	/*
	2	* KZM-ARM11-01 support
	3	* Copyright (C) 2009 Yoichi Yuasa <yuasa@linux-mips.org>
	4	*
	5	* based on code for MX31ADS,
	6	* Copyright (C) 2000 Deep Blue Solutions Ltd
	7	* Copyright (C) 2002 Shane Nay (shane@minirl.com)
	8	* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*/
	24
	25	#include <linux/gpio.h>
	26	#include <linux/init.h>
	27	#include <linux/platform_device.h>
	28	#include <linux/serial_8250.h>
	29	#include <linux/smsc911x.h>
	30	#include <linux/types.h>
	31
	32	#include <asm/irq.h>
	33	#include <asm/mach-types.h>
	34	#include <asm/setup.h>
	35	#include <asm/mach/arch.h>
	36	#include <asm/mach/irq.h>
	37	#include <asm/mach/map.h>
	38	#include <asm/mach/time.h>
	39
	40	#include <mach/board-kzmarm11.h>
	41	#include <mach/clock.h>
	42	#include <mach/common.h>
	43	#include <mach/imx-uart.h>
	44	#include <mach/iomux-mx3.h>
	45	#include <mach/memory.h>
	46
	47	#include "devices.h"
	48
	49	#if defined(CONFIG_SERIAL_8250) \|\| defined(CONFIG_SERIAL_8250_MODULE)
	50	/*
	51	* KZM-ARM11-01 has an external UART on FPGA
	52	*/
	53	static struct plat_serial8250_port serial_platform_data[] = {
	54	{
	55	.membase = IO_ADDRESS(KZM_ARM11_16550),
	56	.mapbase = KZM_ARM11_16550,
	57	.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
	58	.irqflags = IRQ_TYPE_EDGE_RISING,
	59	.uartclk = 14745600,
	60	.regshift = 0,
	61	.iotype = UPIO_MEM,
	62	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \|
	63	UPF_BUGGY_UART,
	64	},
65	{},
66	};
67
68	static struct resource serial8250_resources[] = {
69	{
70	.start = KZM_ARM11_16550,
71	.end = KZM_ARM11_16550 + 0x10,
72	.flags = IORESOURCE_MEM,
73	},
74	{
75	.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
76	.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
77	.flags = IORESOURCE_IRQ,
78	},
79	};
80
81	static struct platform_device serial_device = {
82	.name = "serial8250",
83	.id = PLAT8250_DEV_PLATFORM,
84	.dev = {
85	.platform_data = serial_platform_data,
86	},
87	.num_resources = ARRAY_SIZE(serial8250_resources),
88	.resource = serial8250_resources,
89	};
90
91	static int __init kzm_init_ext_uart(void)
92	{
93	u8 tmp;
94
95	/*
96	* GPIO 1-1: external UART interrupt line
97	*/
98	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO));
99	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "ext-uart-int");
100	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
101
102	/*
103	* Unmask UART interrupt
104	*/
105	tmp = __raw_readb(IO_ADDRESS(KZM_ARM11_CTL1));
106	tmp \|= 0x2;
107	__raw_writeb(tmp, IO_ADDRESS(KZM_ARM11_CTL1));
108
109	return platform_device_register(&serial_device);
110	}
111	#else
112	static inline int kzm_init_ext_uart(void)
113	{
114	return 0;
115	}
116	#endif
117
118	/*
119	* SMSC LAN9118
120	*/
121	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
122	static struct smsc911x_platform_config kzm_smsc9118_config = {
123	.phy_interface = PHY_INTERFACE_MODE_MII,
124	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
125	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
126	.flags = SMSC911X_USE_32BIT \| SMSC911X_SAVE_MAC_ADDRESS,
127	};
128
129	static struct resource kzm_smsc9118_resources[] = {
130	{
131	.start = CS5_BASE_ADDR,
132	.end = CS5_BASE_ADDR + SZ_128K - 1,
133	.flags = IORESOURCE_MEM,
134	},
135	{
136	.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
137	.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
138	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
139	},
140	};
141
142	static struct platform_device kzm_smsc9118_device = {
143	.name = "smsc911x",
144	.id = -1,
145	.num_resources = ARRAY_SIZE(kzm_smsc9118_resources),
146	.resource = kzm_smsc9118_resources,
147	.dev = {
148	.platform_data = &kzm_smsc9118_config,
149	},
150	};
151
152	static int __init kzm_init_smsc9118(void)
153	{
154	/*
155	* GPIO 1-2: SMSC9118 interrupt line
156	*/
157	mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO));
158	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
159	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
160
161	return platform_device_register(&kzm_smsc9118_device);
162	}
163	#else
164	static inline int kzm_init_smsc9118(void)
165	{
166	return 0;
167	}
168	#endif
169
170	#if defined(CONFIG_SERIAL_IMX) \|\| defined(CONFIG_SERIAL_IMX_MODULE)
171	static struct imxuart_platform_data uart_pdata = {
172	.flags = IMXUART_HAVE_RTSCTS,
173	};
174
175	static void __init kzm_init_imx_uart(void)
176	{
177	mxc_register_device(&mxc_uart_device0, &uart_pdata);
178
179	mxc_register_device(&mxc_uart_device1, &uart_pdata);
180	}
181	#else
182	static inline void kzm_init_imx_uart(void)
183	{
184	}
185	#endif
186
187	static int kzm_pins[] __initdata = {
188	MX31_PIN_CTS1__CTS1,
189	MX31_PIN_RTS1__RTS1,
190	MX31_PIN_TXD1__TXD1,
191	MX31_PIN_RXD1__RXD1,
192	MX31_PIN_DCD_DCE1__DCD_DCE1,
193	MX31_PIN_RI_DCE1__RI_DCE1,
194	MX31_PIN_DSR_DCE1__DSR_DCE1,
195	MX31_PIN_DTR_DCE1__DTR_DCE1,
196	MX31_PIN_CTS2__CTS2,
197	MX31_PIN_RTS2__RTS2,
198	MX31_PIN_TXD2__TXD2,
199	MX31_PIN_RXD2__RXD2,
200	MX31_PIN_DCD_DTE1__DCD_DTE2,
201	MX31_PIN_RI_DTE1__RI_DTE2,
202	MX31_PIN_DSR_DTE1__DSR_DTE2,
203	MX31_PIN_DTR_DTE1__DTR_DTE2,
204	};
205
206	/*
207	* Board specific initialization.
208	*/
209	static void __init kzm_board_init(void)
210	{
211	mxc_iomux_setup_multiple_pins(kzm_pins,
212	ARRAY_SIZE(kzm_pins), "kzm");
213	kzm_init_ext_uart();
214	kzm_init_smsc9118();
215	kzm_init_imx_uart();
216
217	pr_info("Clock input source is 26MHz\n");
218	}
219
220	/*
221	* This structure defines static mappings for the kzm-arm11-01 board.
222	*/
223	static struct map_desc kzm_io_desc[] __initdata = {
224	{
225	.virtual = CS4_BASE_ADDR_VIRT,
226	.pfn = __phys_to_pfn(CS4_BASE_ADDR),
227	.length = CS4_SIZE,
228	.type = MT_DEVICE
229	},
230	{
231	.virtual = CS5_BASE_ADDR_VIRT,
232	.pfn = __phys_to_pfn(CS5_BASE_ADDR),
233	.length = CS5_SIZE,
234	.type = MT_DEVICE
235	},
236	};
237
238	/*
239	* Set up static virtual mappings.
240	*/
241	static void __init kzm_map_io(void)
242	{
243	mx31_map_io();
244	iotable_init(kzm_io_desc, ARRAY_SIZE(kzm_io_desc));
245	}
246
247	static void __init kzm_timer_init(void)
248	{
249	mx31_clocks_init(26000000);
250	}
251
252	static struct sys_timer kzm_timer = {
253	.init = kzm_timer_init,
254	};
255
256	/*
257	* The following uses standard kernel macros define in arch.h in order to
258	* initialize __mach_desc_KZM_ARM11_01 data structure.
259	*/
260	MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
261	.phys_io = AIPS1_BASE_ADDR,
262	.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
263	.boot_params = PHYS_OFFSET + 0x100,
264	.map_io = kzm_map_io,
265	.init_irq = mx31_init_irq,
266	.init_machine = kzm_board_init,
267	.timer = &kzm_timer,
268	MACHINE_END