diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-shmobile/setup-r8a7740.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-shmobile/setup-r8a7740.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-shmobile/setup-r8a7740.c b/ANDROID_3.4.5/arch/arm/mach-shmobile/setup-r8a7740.c deleted file mode 100644 index 14edb5cf..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-shmobile/setup-r8a7740.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * R8A7740 processor 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/delay.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/serial_sci.h> -#include <linux/sh_timer.h> -#include <mach/r8a7740.h> -#include <mach/common.h> -#include <mach/irqs.h> -#include <asm/mach-types.h> -#include <asm/mach/map.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> - -static struct map_desc r8a7740_io_desc[] __initdata = { - /* - * for CPGA/INTC/PFC - * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff - */ - { - .virtual = 0xe6000000, - .pfn = __phys_to_pfn(0xe6000000), - .length = 160 << 20, - .type = MT_DEVICE_NONSHARED - }, -#ifdef CONFIG_CACHE_L2X0 - /* - * for l2x0_init() - * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000 - */ - { - .virtual = 0xf0002000, - .pfn = __phys_to_pfn(0xf0100000), - .length = PAGE_SIZE, - .type = MT_DEVICE_NONSHARED - }, -#endif -}; - -void __init r8a7740_map_io(void) -{ - iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc)); -} - -/* SCIFA0 */ -static struct plat_sci_port scif0_platform_data = { - .mapbase = 0xe6c40000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c00)), -}; - -static struct platform_device scif0_device = { - .name = "sh-sci", - .id = 0, - .dev = { - .platform_data = &scif0_platform_data, - }, -}; - -/* SCIFA1 */ -static struct plat_sci_port scif1_platform_data = { - .mapbase = 0xe6c50000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c20)), -}; - -static struct platform_device scif1_device = { - .name = "sh-sci", - .id = 1, - .dev = { - .platform_data = &scif1_platform_data, - }, -}; - -/* SCIFA2 */ -static struct plat_sci_port scif2_platform_data = { - .mapbase = 0xe6c60000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c40)), -}; - -static struct platform_device scif2_device = { - .name = "sh-sci", - .id = 2, - .dev = { - .platform_data = &scif2_platform_data, - }, -}; - -/* SCIFA3 */ -static struct plat_sci_port scif3_platform_data = { - .mapbase = 0xe6c70000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c60)), -}; - -static struct platform_device scif3_device = { - .name = "sh-sci", - .id = 3, - .dev = { - .platform_data = &scif3_platform_data, - }, -}; - -/* SCIFA4 */ -static struct plat_sci_port scif4_platform_data = { - .mapbase = 0xe6c80000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d20)), -}; - -static struct platform_device scif4_device = { - .name = "sh-sci", - .id = 4, - .dev = { - .platform_data = &scif4_platform_data, - }, -}; - -/* SCIFA5 */ -static struct plat_sci_port scif5_platform_data = { - .mapbase = 0xe6cb0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d40)), -}; - -static struct platform_device scif5_device = { - .name = "sh-sci", - .id = 5, - .dev = { - .platform_data = &scif5_platform_data, - }, -}; - -/* SCIFA6 */ -static struct plat_sci_port scif6_platform_data = { - .mapbase = 0xe6cc0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x04c0)), -}; - -static struct platform_device scif6_device = { - .name = "sh-sci", - .id = 6, - .dev = { - .platform_data = &scif6_platform_data, - }, -}; - -/* SCIFA7 */ -static struct plat_sci_port scif7_platform_data = { - .mapbase = 0xe6cd0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x04e0)), -}; - -static struct platform_device scif7_device = { - .name = "sh-sci", - .id = 7, - .dev = { - .platform_data = &scif7_platform_data, - }, -}; - -/* SCIFB */ -static struct plat_sci_port scifb_platform_data = { - .mapbase = 0xe6c30000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFB, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d60)), -}; - -static struct platform_device scifb_device = { - .name = "sh-sci", - .id = 8, - .dev = { - .platform_data = &scifb_platform_data, - }, -}; - -/* CMT */ -static struct sh_timer_config cmt10_platform_data = { - .name = "CMT10", - .channel_offset = 0x10, - .timer_bit = 0, - .clockevent_rating = 125, - .clocksource_rating = 125, -}; - -static struct resource cmt10_resources[] = { - [0] = { - .name = "CMT10", - .start = 0xe6138010, - .end = 0xe613801b, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = evt2irq(0x0b00), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device cmt10_device = { - .name = "sh_cmt", - .id = 10, - .dev = { - .platform_data = &cmt10_platform_data, - }, - .resource = cmt10_resources, - .num_resources = ARRAY_SIZE(cmt10_resources), -}; - -static struct platform_device *r8a7740_early_devices[] __initdata = { - &scif0_device, - &scif1_device, - &scif2_device, - &scif3_device, - &scif4_device, - &scif5_device, - &scif6_device, - &scif7_device, - &scifb_device, - &cmt10_device, -}; - -/* I2C */ -static struct resource i2c0_resources[] = { - [0] = { - .name = "IIC0", - .start = 0xfff20000, - .end = 0xfff20425 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = intcs_evt2irq(0xe00), - .end = intcs_evt2irq(0xe60), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource i2c1_resources[] = { - [0] = { - .name = "IIC1", - .start = 0xe6c20000, - .end = 0xe6c20425 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = evt2irq(0x780), /* IIC1_ALI1 */ - .end = evt2irq(0x7e0), /* IIC1_DTEI1 */ - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c0_device = { - .name = "i2c-sh_mobile", - .id = 0, - .resource = i2c0_resources, - .num_resources = ARRAY_SIZE(i2c0_resources), -}; - -static struct platform_device i2c1_device = { - .name = "i2c-sh_mobile", - .id = 1, - .resource = i2c1_resources, - .num_resources = ARRAY_SIZE(i2c1_resources), -}; - -static struct platform_device *r8a7740_late_devices[] __initdata = { - &i2c0_device, - &i2c1_device, -}; - -#define ICCR 0x0004 -#define ICSTART 0x0070 - -#define i2c_read(reg, offset) ioread8(reg + offset) -#define i2c_write(reg, offset, data) iowrite8(data, reg + offset) - -/* - * r8a7740 chip has lasting errata on I2C I/O pad reset. - * this is work-around for it. - */ -static void r8a7740_i2c_workaround(struct platform_device *pdev) -{ - struct resource *res; - void __iomem *reg; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(!res)) { - pr_err("r8a7740 i2c workaround fail (cannot find resource)\n"); - return; - } - - reg = ioremap(res->start, resource_size(res)); - if (unlikely(!reg)) { - pr_err("r8a7740 i2c workaround fail (cannot map IO)\n"); - return; - } - - i2c_write(reg, ICCR, i2c_read(reg, ICCR) | 0x80); - i2c_read(reg, ICCR); /* dummy read */ - - i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10); - i2c_read(reg, ICSTART); /* dummy read */ - - mdelay(100); - - i2c_write(reg, ICCR, 0x01); - i2c_read(reg, ICCR); - i2c_write(reg, ICSTART, 0x00); - i2c_read(reg, ICSTART); - - i2c_write(reg, ICCR, 0x10); - mdelay(100); - i2c_write(reg, ICCR, 0x00); - mdelay(100); - i2c_write(reg, ICCR, 0x10); - mdelay(100); - - iounmap(reg); -} - -void __init r8a7740_add_standard_devices(void) -{ - /* I2C work-around */ - r8a7740_i2c_workaround(&i2c0_device); - r8a7740_i2c_workaround(&i2c1_device); - - platform_add_devices(r8a7740_early_devices, - ARRAY_SIZE(r8a7740_early_devices)); - platform_add_devices(r8a7740_late_devices, - ARRAY_SIZE(r8a7740_late_devices)); -} - -static void __init r8a7740_earlytimer_init(void) -{ - r8a7740_clock_init(0); - shmobile_earlytimer_init(); -} - -void __init r8a7740_add_early_devices(void) -{ - early_platform_add_devices(r8a7740_early_devices, - ARRAY_SIZE(r8a7740_early_devices)); - - /* setup early console here as well */ - shmobile_setup_console(); - - /* override timer setup with soc-specific code */ - shmobile_timer.init = r8a7740_earlytimer_init; -} |