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-rw-r--r--arch/arm/mach-shmobile/board-bonito.c522
1 files changed, 522 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c
new file mode 100644
index 00000000000..4d220162232
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-bonito.c
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+/*
+ * 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 <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 <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,
+ .bpp = 16,
+ .interface_type = RGB24,
+ .clock_divider = 5,
+ .flags = 0,
+ .lcd_cfg = &lcdc0_mode,
+ .num_cfg = 1,
+ .lcd_size_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 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
+ /*
+ * 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)
+{
+ iotable_init(bonito_io_desc, ARRAY_SIZE(bonito_io_desc));
+
+ /* setup early devices and console here as well */
+ r8a7740_add_early_devices();
+ shmobile_setup_console();
+}
+
+/*
+ * 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(__io(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_timer_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_timer.init();
+}
+
+struct sys_timer bonito_timer = {
+ .init = bonito_timer_init,
+};
+
+MACHINE_START(BONITO, "bonito")
+ .map_io = bonito_map_io,
+ .init_irq = r8a7740_init_irq,
+ .handle_irq = shmobile_handle_irq_intc,
+ .init_machine = bonito_init,
+ .timer = &bonito_timer,
+MACHINE_END