zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-shmobile/board-bonito.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-shmobile/board-bonito.c
new file mode 100644
index 0000000..81fd95f
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-shmobile/board-bonito.c
@@ -0,0 +1,504 @@
+/*
+ * bonito board support
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@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
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
+#include <linux/videodev2.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/cache-l2x0.h>
+#include <mach/r8a7740.h>
+#include <mach/irqs.h>
+#include <video/sh_mobile_lcdc.h>
+
+/*
+ * CS	Address		device			note
+ *----------------------------------------------------------------
+ * 0	0x0000_0000	NOR Flash (64MB)	SW12 : bit3 = OFF
+ * 2	0x0800_0000	ExtNOR (64MB)		SW12 : bit3 = OFF
+ * 4			-
+ * 5A			-
+ * 5B	0x1600_0000	SRAM (8MB)
+ * 6	0x1800_0000	FPGA (64K)
+ *	0x1801_0000	Ether (4KB)
+ *	0x1801_1000	USB (4KB)
+ */
+
+/*
+ * SW12
+ *
+ *	bit1			bit2			bit3
+ *----------------------------------------------------------------------------
+ * ON	NOR WriteProtect	NAND WriteProtect	CS0 ExtNOR / CS2 NOR
+ * OFF	NOR Not WriteProtect	NAND Not WriteProtect	CS0 NOR    / CS2 ExtNOR
+ */
+
+/*
+ * SCIFA5 (CN42)
+ *
+ * S38.3 = ON
+ * S39.6 = ON
+ * S43.1 = ON
+ */
+
+/*
+ * LCDC0 (CN3/CN4/CN7)
+ *
+ * S38.1 = OFF
+ * S38.2 = OFF
+ */
+
+/*
+ * FPGA
+ */
+#define IRQSR0		0x0020
+#define IRQSR1		0x0022
+#define IRQMR0		0x0030
+#define IRQMR1		0x0032
+#define BUSSWMR1	0x0070
+#define BUSSWMR2	0x0072
+#define BUSSWMR3	0x0074
+#define BUSSWMR4	0x0076
+
+#define LCDCR		0x10B4
+#define DEVRSTCR1	0x10D0
+#define DEVRSTCR2	0x10D2
+#define A1MDSR		0x10E0
+#define BVERR		0x1100
+
+/* FPGA IRQ */
+#define FPGA_IRQ_BASE		(512)
+#define FPGA_IRQ0		(FPGA_IRQ_BASE)
+#define FPGA_IRQ1		(FPGA_IRQ_BASE + 16)
+#define FPGA_ETH_IRQ		(FPGA_IRQ0 + 15)
+static u16 bonito_fpga_read(u32 offset)
+{
+	return __raw_readw(0xf0003000 + offset);
+}
+
+static void bonito_fpga_write(u32 offset, u16 val)
+{
+	__raw_writew(val, 0xf0003000 + offset);
+}
+
+static void bonito_fpga_irq_disable(struct irq_data *data)
+{
+	unsigned int irq = data->irq;
+	u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1;
+	int shift = irq % 16;
+
+	bonito_fpga_write(addr, bonito_fpga_read(addr) | (1 << shift));
+}
+
+static void bonito_fpga_irq_enable(struct irq_data *data)
+{
+	unsigned int irq = data->irq;
+	u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1;
+	int shift = irq % 16;
+
+	bonito_fpga_write(addr, bonito_fpga_read(addr) & ~(1 << shift));
+}
+
+static struct irq_chip bonito_fpga_irq_chip __read_mostly = {
+	.name		= "bonito FPGA",
+	.irq_mask	= bonito_fpga_irq_disable,
+	.irq_unmask	= bonito_fpga_irq_enable,
+};
+
+static void bonito_fpga_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+	u32 val =  bonito_fpga_read(IRQSR1) << 16 |
+		   bonito_fpga_read(IRQSR0);
+	u32 mask = bonito_fpga_read(IRQMR1) << 16 |
+		   bonito_fpga_read(IRQMR0);
+
+	int i;
+
+	val &= ~mask;
+
+	for (i = 0; i < 32; i++) {
+		if (!(val & (1 << i)))
+			continue;
+
+		generic_handle_irq(FPGA_IRQ_BASE + i);
+	}
+}
+
+static void bonito_fpga_init(void)
+{
+	int i;
+
+	bonito_fpga_write(IRQMR0, 0xffff); /* mask all */
+	bonito_fpga_write(IRQMR1, 0xffff); /* mask all */
+
+	/* Device reset */
+	bonito_fpga_write(DEVRSTCR1,
+		   (1 << 2));	/* Eth */
+
+	/* FPGA irq require special handling */
+	for (i = FPGA_IRQ_BASE; i < FPGA_IRQ_BASE + 32; i++) {
+		irq_set_chip_and_handler_name(i, &bonito_fpga_irq_chip,
+					      handle_level_irq, "level");
+		set_irq_flags(i, IRQF_VALID); /* yuck */
+	}
+
+	irq_set_chained_handler(evt2irq(0x0340), bonito_fpga_irq_demux);
+	irq_set_irq_type(evt2irq(0x0340), IRQ_TYPE_LEVEL_LOW);
+}
+
+/*
+* PMIC settings
+*
+* FIXME
+*
+* bonito board needs some settings by pmic which use i2c access.
+* pmic settings use device_initcall() here for use it.
+*/
+static __u8 *pmic_settings = NULL;
+static __u8 pmic_do_2A[] = {
+	0x1C, 0x09,
+	0x1A, 0x80,
+	0xff, 0xff,
+};
+
+static int __init pmic_init(void)
+{
+	struct i2c_adapter *a = i2c_get_adapter(0);
+	struct i2c_msg msg;
+	__u8 buf[2];
+	int i, ret;
+
+	if (!pmic_settings)
+		return 0;
+	if (!a)
+		return 0;
+
+	msg.addr	= 0x46;
+	msg.buf		= buf;
+	msg.len		= 2;
+	msg.flags	= 0;
+
+	for (i = 0; ; i += 2) {
+		buf[0] = pmic_settings[i + 0];
+		buf[1] = pmic_settings[i + 1];
+
+		if ((0xff == buf[0]) && (0xff == buf[1]))
+			break;
+
+		ret = i2c_transfer(a, &msg, 1);
+		if (ret < 0) {
+			pr_err("i2c transfer fail\n");
+			break;
+		}
+	}
+
+	return 0;
+}
+device_initcall(pmic_init);
+
+/*
+ * LCDC0
+ */
+static const struct fb_videomode lcdc0_mode = {
+	.name		= "WVGA Panel",
+	.xres		= 800,
+	.yres		= 480,
+	.left_margin	= 88,
+	.right_margin	= 40,
+	.hsync_len	= 128,
+	.upper_margin	= 20,
+	.lower_margin	= 5,
+	.vsync_len	= 5,
+	.sync		= 0,
+};
+
+static struct sh_mobile_lcdc_info lcdc0_info = {
+	.clock_source	= LCDC_CLK_BUS,
+	.ch[0] = {
+		.chan			= LCDC_CHAN_MAINLCD,
+		.fourcc = V4L2_PIX_FMT_RGB565,
+		.interface_type		= RGB24,
+		.clock_divider		= 5,
+		.flags			= 0,
+		.lcd_modes		= &lcdc0_mode,
+		.num_modes		= 1,
+		.panel_cfg = {
+			.width	= 152,
+			.height = 91,
+		},
+	},
+};
+
+static struct resource lcdc0_resources[] = {
+	[0] = {
+		.name	= "LCDC0",
+		.start	= 0xfe940000,
+		.end	= 0xfe943fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= intcs_evt2irq(0x0580),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device lcdc0_device = {
+	.name		= "sh_mobile_lcdc_fb",
+	.id		= 0,
+	.resource	= lcdc0_resources,
+	.num_resources	= ARRAY_SIZE(lcdc0_resources),
+	.dev	= {
+		.platform_data	= &lcdc0_info,
+		.coherent_dma_mask = ~0,
+	},
+};
+
+/*
+ * SMSC 9221
+ */
+static struct resource smsc_resources[] = {
+	[0] = {
+		.start		= 0x18010000,
+		.end		= 0x18011000 - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= FPGA_ETH_IRQ,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct smsc911x_platform_config smsc_platdata = {
+	.flags		= SMSC911X_USE_16BIT,
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smsc_device = {
+	.name		= "smsc911x",
+	.dev  = {
+		.platform_data = &smsc_platdata,
+	},
+	.resource	= smsc_resources,
+	.num_resources	= ARRAY_SIZE(smsc_resources),
+};
+
+/*
+ * core board devices
+ */
+static struct platform_device *bonito_core_devices[] __initdata = {
+};
+
+/*
+ * base board devices
+ */
+static struct platform_device *bonito_base_devices[] __initdata = {
+	&lcdc0_device,
+	&smsc_device,
+};
+
+/*
+ * map I/O
+ */
+static struct map_desc bonito_io_desc[] __initdata = {
+	/*
+	 * for FPGA (0x1800000-0x19ffffff)
+	 * 0x18000000-0x18002000 -> 0xf0003000-0xf0005000
+	 */
+	{
+		.virtual	= 0xf0003000,
+		.pfn		= __phys_to_pfn(0x18000000),
+		.length		= PAGE_SIZE * 2,
+		.type		= MT_DEVICE_NONSHARED
+	}
+};
+
+static void __init bonito_map_io(void)
+{
+	r8a7740_map_io();
+	iotable_init(bonito_io_desc, ARRAY_SIZE(bonito_io_desc));
+}
+
+/*
+ * board init
+ */
+#define BIT_ON(sw, bit)		(sw & (1 << bit))
+#define BIT_OFF(sw, bit)	(!(sw & (1 << bit)))
+
+#define VCCQ1CR		0xE6058140
+#define VCCQ1LCDCR	0xE6058186
+
+static void __init bonito_init(void)
+{
+	u16 val;
+
+	r8a7740_pinmux_init();
+	bonito_fpga_init();
+
+	pmic_settings = pmic_do_2A;
+
+	/*
+	 * core board settings
+	 */
+
+#ifdef CONFIG_CACHE_L2X0
+	/* Early BRESP enable, Shared attribute override enable, 32K*8way */
+	l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
+#endif
+
+	r8a7740_add_standard_devices();
+
+	platform_add_devices(bonito_core_devices,
+			     ARRAY_SIZE(bonito_core_devices));
+
+	/*
+	 * base board settings
+	 */
+	gpio_request(GPIO_PORT176, NULL);
+	gpio_direction_input(GPIO_PORT176);
+	if (!gpio_get_value(GPIO_PORT176)) {
+		u16 bsw2;
+		u16 bsw3;
+		u16 bsw4;
+
+		/*
+		 * FPGA
+		 */
+		gpio_request(GPIO_FN_CS5B,		NULL);
+		gpio_request(GPIO_FN_CS6A,		NULL);
+		gpio_request(GPIO_FN_CS5A_PORT105,	NULL);
+		gpio_request(GPIO_FN_IRQ10,		NULL);
+
+		val = bonito_fpga_read(BVERR);
+		pr_info("bonito version: cpu %02x, base %02x\n",
+			((val >> 8) & 0xFF),
+			((val >> 0) & 0xFF));
+
+		bsw2 = bonito_fpga_read(BUSSWMR2);
+		bsw3 = bonito_fpga_read(BUSSWMR3);
+		bsw4 = bonito_fpga_read(BUSSWMR4);
+
+		/*
+		 * SCIFA5 (CN42)
+		 */
+		if (BIT_OFF(bsw2, 1) &&	/* S38.3 = ON */
+		    BIT_OFF(bsw3, 9) &&	/* S39.6 = ON */
+		    BIT_OFF(bsw4, 4)) {	/* S43.1 = ON */
+			gpio_request(GPIO_FN_SCIFA5_TXD_PORT91,	NULL);
+			gpio_request(GPIO_FN_SCIFA5_RXD_PORT92,	NULL);
+		}
+
+		/*
+		 * LCDC0 (CN3)
+		 */
+		if (BIT_ON(bsw2, 3) &&	/* S38.1 = OFF */
+		    BIT_ON(bsw2, 2)) {	/* S38.2 = OFF */
+			gpio_request(GPIO_FN_LCDC0_SELECT,	NULL);
+			gpio_request(GPIO_FN_LCD0_D0,		NULL);
+			gpio_request(GPIO_FN_LCD0_D1,		NULL);
+			gpio_request(GPIO_FN_LCD0_D2,		NULL);
+			gpio_request(GPIO_FN_LCD0_D3,		NULL);
+			gpio_request(GPIO_FN_LCD0_D4,		NULL);
+			gpio_request(GPIO_FN_LCD0_D5,		NULL);
+			gpio_request(GPIO_FN_LCD0_D6,		NULL);
+			gpio_request(GPIO_FN_LCD0_D7,		NULL);
+			gpio_request(GPIO_FN_LCD0_D8,		NULL);
+			gpio_request(GPIO_FN_LCD0_D9,		NULL);
+			gpio_request(GPIO_FN_LCD0_D10,		NULL);
+			gpio_request(GPIO_FN_LCD0_D11,		NULL);
+			gpio_request(GPIO_FN_LCD0_D12,		NULL);
+			gpio_request(GPIO_FN_LCD0_D13,		NULL);
+			gpio_request(GPIO_FN_LCD0_D14,		NULL);
+			gpio_request(GPIO_FN_LCD0_D15,		NULL);
+			gpio_request(GPIO_FN_LCD0_D16,		NULL);
+			gpio_request(GPIO_FN_LCD0_D17,		NULL);
+			gpio_request(GPIO_FN_LCD0_D18_PORT163,	NULL);
+			gpio_request(GPIO_FN_LCD0_D19_PORT162,	NULL);
+			gpio_request(GPIO_FN_LCD0_D20_PORT161,	NULL);
+			gpio_request(GPIO_FN_LCD0_D21_PORT158,	NULL);
+			gpio_request(GPIO_FN_LCD0_D22_PORT160,	NULL);
+			gpio_request(GPIO_FN_LCD0_D23_PORT159,	NULL);
+			gpio_request(GPIO_FN_LCD0_DCK,		NULL);
+			gpio_request(GPIO_FN_LCD0_VSYN,		NULL);
+			gpio_request(GPIO_FN_LCD0_HSYN,		NULL);
+			gpio_request(GPIO_FN_LCD0_DISP,		NULL);
+			gpio_request(GPIO_FN_LCD0_LCLK_PORT165,	NULL);
+
+			gpio_request(GPIO_PORT61, NULL); /* LCDDON */
+			gpio_direction_output(GPIO_PORT61, 1);
+
+			/* backlight on */
+			bonito_fpga_write(LCDCR, 1);
+
+			/*  drivability Max */
+			__raw_writew(0x00FF , VCCQ1LCDCR);
+			__raw_writew(0xFFFF , VCCQ1CR);
+		}
+
+		platform_add_devices(bonito_base_devices,
+				     ARRAY_SIZE(bonito_base_devices));
+	}
+}
+
+static void __init bonito_earlytimer_init(void)
+{
+	u16 val;
+	u8 md_ck = 0;
+
+	/* read MD_CK value */
+	val = bonito_fpga_read(A1MDSR);
+	if (val & (1 << 10))
+		md_ck |= MD_CK2;
+	if (val & (1 << 9))
+		md_ck |= MD_CK1;
+	if (val & (1 << 8))
+		md_ck |= MD_CK0;
+
+	r8a7740_clock_init(md_ck);
+	shmobile_earlytimer_init();
+}
+
+void __init bonito_add_early_devices(void)
+{
+	r8a7740_add_early_devices();
+
+	/* override timer setup with board-specific code */
+	shmobile_timer.init = bonito_earlytimer_init;
+}
+
+MACHINE_START(BONITO, "bonito")
+	.map_io		= bonito_map_io,
+	.init_early	= bonito_add_early_devices,
+	.init_irq	= r8a7740_init_irq,
+	.handle_irq	= shmobile_handle_irq_intc,
+	.init_machine	= bonito_init,
+	.timer		= &shmobile_timer,
+MACHINE_END