diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-bonito.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-bonito.c | 495 |
1 files changed, 0 insertions, 495 deletions
diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c deleted file mode 100644 index 70d992c540a..00000000000 --- a/arch/arm/mach-shmobile/board-bonito.c +++ /dev/null @@ -1,495 +0,0 @@ -/* - * 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/pinctrl/machine.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.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 - */ - -/* Dummy supplies, where voltage doesn't matter */ -static struct regulator_consumer_supply dummy_supplies[] = { - REGULATOR_SUPPLY("vddvario", "smsc911x"), - REGULATOR_SUPPLY("vdd33a", "smsc911x"), -}; - -/* - * 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(IOMEM(0xf0003000) + offset); -} - -static void bonito_fpga_write(u32 offset, u16 val) -{ - __raw_writew(val, IOMEM(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, - }, -}; - -static const struct pinctrl_map lcdc0_pinctrl_map[] = { - /* LCD0 */ - PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", - "lcd0_data24_1", "lcd0"), - PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", - "lcd0_lclk_1", "lcd0"), - PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", - "lcd0_sync", "lcd0"), -}; - -/* - * 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 IOMEM(0xE6058140) -#define VCCQ1LCDCR IOMEM(0xE6058186) - -static void __init bonito_init(void) -{ - u16 val; - - regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); - - 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_one(176, GPIOF_IN, NULL); - if (!gpio_get_value(176)) { - 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 */ - pinctrl_register_mappings(lcdc0_pinctrl_map, - ARRAY_SIZE(lcdc0_pinctrl_map)); - gpio_request(GPIO_FN_LCDC0_SELECT, NULL); - - gpio_request_one(61, GPIOF_OUT_INIT_HIGH, - NULL); /* LCDDON */ - - /* 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(); -} - -static void __init bonito_add_early_devices(void) -{ - r8a7740_add_early_devices(); -} - -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, - .init_late = shmobile_init_late, - .init_time = bonito_earlytimer_init, -MACHINE_END |