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-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c1292
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diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
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+++ b/arch/arm/mach-davinci/board-da850-evm.c
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+/*
+ * TI DA850/OMAP-L138 EVM board
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Derived from: arch/arm/mach-davinci/board-da830-evm.c
+ * Original Copyrights follow:
+ *
+ * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/input.h>
+#include <linux/mfd/tps6507x.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/tps6507x.h>
+#include <linux/input/tps6507x-ts.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+#include <mach/nand.h>
+#include <mach/mux.h>
+#include <mach/aemif.h>
+#include <mach/spi.h>
+
+#define DA850_EVM_PHY_ID "0:00"
+#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
+#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
+
+#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
+#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
+
+#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
+
+static struct mtd_partition da850evm_spiflash_part[] = {
+ [0] = {
+ .name = "UBL",
+ .offset = 0,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [1] = {
+ .name = "U-Boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [2] = {
+ .name = "U-Boot-Env",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [3] = {
+ .name = "Kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M + SZ_512K,
+ .mask_flags = 0,
+ },
+ [4] = {
+ .name = "Filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ .mask_flags = 0,
+ },
+ [5] = {
+ .name = "MAC-Address",
+ .offset = SZ_8M - SZ_64K,
+ .size = SZ_64K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+static struct flash_platform_data da850evm_spiflash_data = {
+ .name = "m25p80",
+ .parts = da850evm_spiflash_part,
+ .nr_parts = ARRAY_SIZE(da850evm_spiflash_part),
+ .type = "m25p64",
+};
+
+static struct davinci_spi_config da850evm_spiflash_cfg = {
+ .io_type = SPI_IO_TYPE_DMA,
+ .c2tdelay = 8,
+ .t2cdelay = 8,
+};
+
+static struct spi_board_info da850evm_spi_info[] = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &da850evm_spiflash_data,
+ .controller_data = &da850evm_spiflash_cfg,
+ .mode = SPI_MODE_0,
+ .max_speed_hz = 30000000,
+ .bus_num = 1,
+ .chip_select = 0,
+ },
+};
+
+#ifdef CONFIG_MTD
+static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
+{
+ char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
+ size_t retlen;
+
+ if (!strcmp(mtd->name, "MAC-Address")) {
+ mtd->read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
+ if (retlen == ETH_ALEN)
+ pr_info("Read MAC addr from SPI Flash: %pM\n",
+ mac_addr);
+ }
+}
+
+static struct mtd_notifier da850evm_spi_notifier = {
+ .add = da850_evm_m25p80_notify_add,
+};
+
+static void da850_evm_setup_mac_addr(void)
+{
+ register_mtd_user(&da850evm_spi_notifier);
+}
+#else
+static void da850_evm_setup_mac_addr(void) { }
+#endif
+
+static struct mtd_partition da850_evm_norflash_partition[] = {
+ {
+ .name = "bootloaders + env",
+ .offset = 0,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static struct physmap_flash_data da850_evm_norflash_data = {
+ .width = 2,
+ .parts = da850_evm_norflash_partition,
+ .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
+};
+
+static struct resource da850_evm_norflash_resource[] = {
+ {
+ .start = DA8XX_AEMIF_CS2_BASE,
+ .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device da850_evm_norflash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &da850_evm_norflash_data,
+ },
+ .num_resources = 1,
+ .resource = da850_evm_norflash_resource,
+};
+
+static struct davinci_pm_config da850_pm_pdata = {
+ .sleepcount = 128,
+};
+
+static struct platform_device da850_pm_device = {
+ .name = "pm-davinci",
+ .dev = {
+ .platform_data = &da850_pm_pdata,
+ },
+ .id = -1,
+};
+
+/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
+ * (128K blocks). It may be used instead of the (default) SPI flash
+ * to boot, using TI's tools to install the secondary boot loader
+ * (UBL) and U-Boot.
+ */
+static struct mtd_partition da850_evm_nandflash_partition[] = {
+ {
+ .name = "u-boot env",
+ .offset = 0,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "UBL",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "u-boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 4 * SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x200000,
+ .size = SZ_2M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static struct davinci_aemif_timing da850_evm_nandflash_timing = {
+ .wsetup = 24,
+ .wstrobe = 21,
+ .whold = 14,
+ .rsetup = 19,
+ .rstrobe = 50,
+ .rhold = 0,
+ .ta = 20,
+};
+
+static struct davinci_nand_pdata da850_evm_nandflash_data = {
+ .parts = da850_evm_nandflash_partition,
+ .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
+ .ecc_mode = NAND_ECC_HW,
+ .ecc_bits = 4,
+ .options = NAND_USE_FLASH_BBT,
+ .timing = &da850_evm_nandflash_timing,
+};
+
+static struct resource da850_evm_nandflash_resource[] = {
+ {
+ .start = DA8XX_AEMIF_CS3_BASE,
+ .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DA8XX_AEMIF_CTL_BASE,
+ .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device da850_evm_nandflash_device = {
+ .name = "davinci_nand",
+ .id = 1,
+ .dev = {
+ .platform_data = &da850_evm_nandflash_data,
+ },
+ .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
+ .resource = da850_evm_nandflash_resource,
+};
+
+static struct platform_device *da850_evm_devices[] __initdata = {
+ &da850_evm_nandflash_device,
+ &da850_evm_norflash_device,
+};
+
+#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
+#define DA8XX_AEMIF_ASIZE_16BIT 0x1
+
+static void __init da850_evm_init_nor(void)
+{
+ void __iomem *aemif_addr;
+
+ aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
+
+ /* Configure data bus width of CS2 to 16 bit */
+ writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
+ DA8XX_AEMIF_ASIZE_16BIT,
+ aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
+
+ iounmap(aemif_addr);
+}
+
+static const short da850_evm_nand_pins[] = {
+ DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
+ DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
+ DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
+ DA850_NEMA_WE, DA850_NEMA_OE,
+ -1
+};
+
+static const short da850_evm_nor_pins[] = {
+ DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
+ DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
+ DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
+ DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
+ DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
+ DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
+ DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
+ DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
+ DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
+ DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
+ DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
+ DA850_EMA_A_22, DA850_EMA_A_23,
+ -1
+};
+
+#if defined(CONFIG_MMC_DAVINCI) || \
+ defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC 1
+#else
+#define HAS_MMC 0
+#endif
+
+static inline void da850_evm_setup_nor_nand(void)
+{
+ int ret = 0;
+
+ if (!HAS_MMC) {
+ ret = davinci_cfg_reg_list(da850_evm_nand_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nand mux setup failed: "
+ "%d\n", ret);
+
+ ret = davinci_cfg_reg_list(da850_evm_nor_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nor mux setup failed: %d\n",
+ ret);
+
+ da850_evm_init_nor();
+
+ platform_add_devices(da850_evm_devices,
+ ARRAY_SIZE(da850_evm_devices));
+ }
+}
+
+#ifdef CONFIG_DA850_UI_RMII
+static inline void da850_evm_setup_emac_rmii(int rmii_sel)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ soc_info->emac_pdata->rmii_en = 1;
+ gpio_set_value_cansleep(rmii_sel, 0);
+}
+#else
+static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
+#endif
+
+
+#define DA850_KEYS_DEBOUNCE_MS 10
+/*
+ * At 200ms polling interval it is possible to miss an
+ * event by tapping very lightly on the push button but most
+ * pushes do result in an event; longer intervals require the
+ * user to hold the button whereas shorter intervals require
+ * more CPU time for polling.
+ */
+#define DA850_GPIO_KEYS_POLL_MS 200
+
+enum da850_evm_ui_exp_pins {
+ DA850_EVM_UI_EXP_SEL_C = 5,
+ DA850_EVM_UI_EXP_SEL_B,
+ DA850_EVM_UI_EXP_SEL_A,
+ DA850_EVM_UI_EXP_PB8,
+ DA850_EVM_UI_EXP_PB7,
+ DA850_EVM_UI_EXP_PB6,
+ DA850_EVM_UI_EXP_PB5,
+ DA850_EVM_UI_EXP_PB4,
+ DA850_EVM_UI_EXP_PB3,
+ DA850_EVM_UI_EXP_PB2,
+ DA850_EVM_UI_EXP_PB1,
+};
+
+static const char const *da850_evm_ui_exp[] = {
+ [DA850_EVM_UI_EXP_SEL_C] = "sel_c",
+ [DA850_EVM_UI_EXP_SEL_B] = "sel_b",
+ [DA850_EVM_UI_EXP_SEL_A] = "sel_a",
+ [DA850_EVM_UI_EXP_PB8] = "pb8",
+ [DA850_EVM_UI_EXP_PB7] = "pb7",
+ [DA850_EVM_UI_EXP_PB6] = "pb6",
+ [DA850_EVM_UI_EXP_PB5] = "pb5",
+ [DA850_EVM_UI_EXP_PB4] = "pb4",
+ [DA850_EVM_UI_EXP_PB3] = "pb3",
+ [DA850_EVM_UI_EXP_PB2] = "pb2",
+ [DA850_EVM_UI_EXP_PB1] = "pb1",
+};
+
+#define DA850_N_UI_PB 8
+
+static struct gpio_keys_button da850_evm_ui_keys[] = {
+ [0 ... DA850_N_UI_PB - 1] = {
+ .type = EV_KEY,
+ .active_low = 1,
+ .wakeup = 0,
+ .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
+ .code = -1, /* assigned at runtime */
+ .gpio = -1, /* assigned at runtime */
+ .desc = NULL, /* assigned at runtime */
+ },
+};
+
+static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
+ .buttons = da850_evm_ui_keys,
+ .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
+ .poll_interval = DA850_GPIO_KEYS_POLL_MS,
+};
+
+static struct platform_device da850_evm_ui_keys_device = {
+ .name = "gpio-keys-polled",
+ .id = 0,
+ .dev = {
+ .platform_data = &da850_evm_ui_keys_pdata
+ },
+};
+
+static void da850_evm_ui_keys_init(unsigned gpio)
+{
+ int i;
+ struct gpio_keys_button *button;
+
+ for (i = 0; i < DA850_N_UI_PB; i++) {
+ button = &da850_evm_ui_keys[i];
+ button->code = KEY_F8 - i;
+ button->desc = (char *)
+ da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
+ button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
+ }
+}
+
+static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
+ unsigned ngpio, void *c)
+{
+ int sel_a, sel_b, sel_c, ret;
+
+ sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
+ sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
+ sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
+
+ ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_a);
+ goto exp_setup_sela_fail;
+ }
+
+ ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_b);
+ goto exp_setup_selb_fail;
+ }
+
+ ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
+ if (ret) {
+ pr_warning("Cannot open UI expander pin %d\n", sel_c);
+ goto exp_setup_selc_fail;
+ }
+
+ /* deselect all functionalities */
+ gpio_direction_output(sel_a, 1);
+ gpio_direction_output(sel_b, 1);
+ gpio_direction_output(sel_c, 1);
+
+ da850_evm_ui_keys_init(gpio);
+ ret = platform_device_register(&da850_evm_ui_keys_device);
+ if (ret) {
+ pr_warning("Could not register UI GPIO expander push-buttons");
+ goto exp_setup_keys_fail;
+ }
+
+ pr_info("DA850/OMAP-L138 EVM UI card detected\n");
+
+ da850_evm_setup_nor_nand();
+
+ da850_evm_setup_emac_rmii(sel_a);
+
+ return 0;
+
+exp_setup_keys_fail:
+ gpio_free(sel_c);
+exp_setup_selc_fail:
+ gpio_free(sel_b);
+exp_setup_selb_fail:
+ gpio_free(sel_a);
+exp_setup_sela_fail:
+ return ret;
+}
+
+static int da850_evm_ui_expander_teardown(struct i2c_client *client,
+ unsigned gpio, unsigned ngpio, void *c)
+{
+ platform_device_unregister(&da850_evm_ui_keys_device);
+
+ /* deselect all functionalities */
+ gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
+ gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
+ gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
+
+ gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
+ gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
+ gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
+
+ return 0;
+}
+
+/* assign the baseboard expander's GPIOs after the UI board's */
+#define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
+#define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
+
+enum da850_evm_bb_exp_pins {
+ DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
+ DA850_EVM_BB_EXP_SW_RST,
+ DA850_EVM_BB_EXP_TP_23,
+ DA850_EVM_BB_EXP_TP_22,
+ DA850_EVM_BB_EXP_TP_21,
+ DA850_EVM_BB_EXP_USER_PB1,
+ DA850_EVM_BB_EXP_USER_LED2,
+ DA850_EVM_BB_EXP_USER_LED1,
+ DA850_EVM_BB_EXP_USER_SW1,
+ DA850_EVM_BB_EXP_USER_SW2,
+ DA850_EVM_BB_EXP_USER_SW3,
+ DA850_EVM_BB_EXP_USER_SW4,
+ DA850_EVM_BB_EXP_USER_SW5,
+ DA850_EVM_BB_EXP_USER_SW6,
+ DA850_EVM_BB_EXP_USER_SW7,
+ DA850_EVM_BB_EXP_USER_SW8
+};
+
+static const char const *da850_evm_bb_exp[] = {
+ [DA850_EVM_BB_EXP_DEEP_SLEEP_EN] = "deep_sleep_en",
+ [DA850_EVM_BB_EXP_SW_RST] = "sw_rst",
+ [DA850_EVM_BB_EXP_TP_23] = "tp_23",
+ [DA850_EVM_BB_EXP_TP_22] = "tp_22",
+ [DA850_EVM_BB_EXP_TP_21] = "tp_21",
+ [DA850_EVM_BB_EXP_USER_PB1] = "user_pb1",
+ [DA850_EVM_BB_EXP_USER_LED2] = "user_led2",
+ [DA850_EVM_BB_EXP_USER_LED1] = "user_led1",
+ [DA850_EVM_BB_EXP_USER_SW1] = "user_sw1",
+ [DA850_EVM_BB_EXP_USER_SW2] = "user_sw2",
+ [DA850_EVM_BB_EXP_USER_SW3] = "user_sw3",
+ [DA850_EVM_BB_EXP_USER_SW4] = "user_sw4",
+ [DA850_EVM_BB_EXP_USER_SW5] = "user_sw5",
+ [DA850_EVM_BB_EXP_USER_SW6] = "user_sw6",
+ [DA850_EVM_BB_EXP_USER_SW7] = "user_sw7",
+ [DA850_EVM_BB_EXP_USER_SW8] = "user_sw8",
+};
+
+#define DA850_N_BB_USER_SW 8
+
+static struct gpio_keys_button da850_evm_bb_keys[] = {
+ [0] = {
+ .type = EV_KEY,
+ .active_low = 1,
+ .wakeup = 0,
+ .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
+ .code = KEY_PROG1,
+ .desc = NULL, /* assigned at runtime */
+ .gpio = -1, /* assigned at runtime */
+ },
+ [1 ... DA850_N_BB_USER_SW] = {
+ .type = EV_SW,
+ .active_low = 1,
+ .wakeup = 0,
+ .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
+ .code = -1, /* assigned at runtime */
+ .desc = NULL, /* assigned at runtime */
+ .gpio = -1, /* assigned at runtime */
+ },
+};
+
+static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
+ .buttons = da850_evm_bb_keys,
+ .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
+ .poll_interval = DA850_GPIO_KEYS_POLL_MS,
+};
+
+static struct platform_device da850_evm_bb_keys_device = {
+ .name = "gpio-keys-polled",
+ .id = 1,
+ .dev = {
+ .platform_data = &da850_evm_bb_keys_pdata
+ },
+};
+
+static void da850_evm_bb_keys_init(unsigned gpio)
+{
+ int i;
+ struct gpio_keys_button *button;
+
+ button = &da850_evm_bb_keys[0];
+ button->desc = (char *)
+ da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
+ button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
+
+ for (i = 0; i < DA850_N_BB_USER_SW; i++) {
+ button = &da850_evm_bb_keys[i + 1];
+ button->code = SW_LID + i;
+ button->desc = (char *)
+ da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
+ button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
+ }
+}
+
+#define DA850_N_BB_USER_LED 2
+
+static struct gpio_led da850_evm_bb_leds[] = {
+ [0 ... DA850_N_BB_USER_LED - 1] = {
+ .active_low = 1,
+ .gpio = -1, /* assigned at runtime */
+ .name = NULL, /* assigned at runtime */
+ },
+};
+
+static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
+ .leds = da850_evm_bb_leds,
+ .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
+};
+
+static struct platform_device da850_evm_bb_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &da850_evm_bb_leds_pdata
+ }
+};
+
+static void da850_evm_bb_leds_init(unsigned gpio)
+{
+ int i;
+ struct gpio_led *led;
+
+ for (i = 0; i < DA850_N_BB_USER_LED; i++) {
+ led = &da850_evm_bb_leds[i];
+
+ led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
+ led->name =
+ da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
+ }
+}
+
+static int da850_evm_bb_expander_setup(struct i2c_client *client,
+ unsigned gpio, unsigned ngpio,
+ void *c)
+{
+ int ret;
+
+ /*
+ * Register the switches and pushbutton on the baseboard as a gpio-keys
+ * device.
+ */
+ da850_evm_bb_keys_init(gpio);
+ ret = platform_device_register(&da850_evm_bb_keys_device);
+ if (ret) {
+ pr_warning("Could not register baseboard GPIO expander keys");
+ goto io_exp_setup_sw_fail;
+ }
+
+ da850_evm_bb_leds_init(gpio);
+ ret = platform_device_register(&da850_evm_bb_leds_device);
+ if (ret) {
+ pr_warning("Could not register baseboard GPIO expander LEDS");
+ goto io_exp_setup_leds_fail;
+ }
+
+ return 0;
+
+io_exp_setup_leds_fail:
+ platform_device_unregister(&da850_evm_bb_keys_device);
+io_exp_setup_sw_fail:
+ return ret;
+}
+
+static int da850_evm_bb_expander_teardown(struct i2c_client *client,
+ unsigned gpio, unsigned ngpio, void *c)
+{
+ platform_device_unregister(&da850_evm_bb_leds_device);
+ platform_device_unregister(&da850_evm_bb_keys_device);
+
+ return 0;
+}
+
+static struct pca953x_platform_data da850_evm_ui_expander_info = {
+ .gpio_base = DAVINCI_N_GPIO,
+ .setup = da850_evm_ui_expander_setup,
+ .teardown = da850_evm_ui_expander_teardown,
+ .names = da850_evm_ui_exp,
+};
+
+static struct pca953x_platform_data da850_evm_bb_expander_info = {
+ .gpio_base = DA850_BB_EXPANDER_GPIO_BASE,
+ .setup = da850_evm_bb_expander_setup,
+ .teardown = da850_evm_bb_expander_teardown,
+ .names = da850_evm_bb_exp,
+};
+
+static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("tlv320aic3x", 0x18),
+ },
+ {
+ I2C_BOARD_INFO("tca6416", 0x20),
+ .platform_data = &da850_evm_ui_expander_info,
+ },
+ {
+ I2C_BOARD_INFO("tca6416", 0x21),
+ .platform_data = &da850_evm_bb_expander_info,
+ },
+};
+
+static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
+ .bus_freq = 100, /* kHz */
+ .bus_delay = 0, /* usec */
+};
+
+static struct davinci_uart_config da850_evm_uart_config __initdata = {
+ .enabled_uarts = 0x7,
+};
+
+/* davinci da850 evm audio machine driver */
+static u8 da850_iis_serializer_direction[] = {
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
+ RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static struct snd_platform_data da850_evm_snd_data = {
+ .tx_dma_offset = 0x2000,
+ .rx_dma_offset = 0x2000,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = da850_iis_serializer_direction,
+ .asp_chan_q = EVENTQ_0,
+ .version = MCASP_VERSION_2,
+ .txnumevt = 1,
+ .rxnumevt = 1,
+};
+
+static const short da850_evm_mcasp_pins[] __initconst = {
+ DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
+ DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
+ DA850_AXR_11, DA850_AXR_12,
+ -1
+};
+
+static int da850_evm_mmc_get_ro(int index)
+{
+ return gpio_get_value(DA850_MMCSD_WP_PIN);
+}
+
+static int da850_evm_mmc_get_cd(int index)
+{
+ return !gpio_get_value(DA850_MMCSD_CD_PIN);
+}
+
+static struct davinci_mmc_config da850_mmc_config = {
+ .get_ro = da850_evm_mmc_get_ro,
+ .get_cd = da850_evm_mmc_get_cd,
+ .wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+ .version = MMC_CTLR_VERSION_2,
+};
+
+static const short da850_evm_mmcsd0_pins[] __initconst = {
+ DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
+ DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
+ DA850_GPIO4_0, DA850_GPIO4_1,
+ -1
+};
+
+static void da850_panel_power_ctrl(int val)
+{
+ /* lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, val);
+
+ /* lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, val);
+}
+
+static int da850_lcd_hw_init(void)
+{
+ int status;
+
+ status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
+ if (status < 0)
+ return status;
+
+ status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
+ if (status < 0) {
+ gpio_free(DA850_LCD_BL_PIN);
+ return status;
+ }
+
+ gpio_direction_output(DA850_LCD_BL_PIN, 0);
+ gpio_direction_output(DA850_LCD_PWR_PIN, 0);
+
+ /* Switch off panel power and backlight */
+ da850_panel_power_ctrl(0);
+
+ /* Switch on panel power and backlight */
+ da850_panel_power_ctrl(1);
+
+ return 0;
+}
+
+/* TPS65070 voltage regulator support */
+
+/* 3.3V */
+static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
+ {
+ .supply = "usb0_vdda33",
+ },
+ {
+ .supply = "usb1_vdda33",
+ },
+};
+
+/* 3.3V or 1.8V */
+static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
+ {
+ .supply = "dvdd3318_a",
+ },
+ {
+ .supply = "dvdd3318_b",
+ },
+ {
+ .supply = "dvdd3318_c",
+ },
+};
+
+/* 1.2V */
+static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
+ {
+ .supply = "cvdd",
+ },
+};
+
+/* 1.8V LDO */
+static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
+ {
+ .supply = "sata_vddr",
+ },
+ {
+ .supply = "usb0_vdda18",
+ },
+ {
+ .supply = "usb1_vdda18",
+ },
+ {
+ .supply = "ddr_dvdd18",
+ },
+};
+
+/* 1.2V LDO */
+static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
+ {
+ .supply = "sata_vdd",
+ },
+ {
+ .supply = "pll0_vdda",
+ },
+ {
+ .supply = "pll1_vdda",
+ },
+ {
+ .supply = "usbs_cvdd",
+ },
+ {
+ .supply = "vddarnwa1",
+ },
+};
+
+/* We take advantage of the fact that both defdcdc{2,3} are tied high */
+static struct tps6507x_reg_platform_data tps6507x_platform_data = {
+ .defdcdc_default = true,
+};
+
+static struct regulator_init_data tps65070_regulator_data[] = {
+ /* dcdc1 */
+ {
+ .constraints = {
+ .min_uV = 3150000,
+ .max_uV = 3450000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
+ .consumer_supplies = tps65070_dcdc1_consumers,
+ },
+
+ /* dcdc2 */
+ {
+ .constraints = {
+ .min_uV = 1710000,
+ .max_uV = 3450000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
+ .consumer_supplies = tps65070_dcdc2_consumers,
+ .driver_data = &tps6507x_platform_data,
+ },
+
+ /* dcdc3 */
+ {
+ .constraints = {
+ .min_uV = 950000,
+ .max_uV = 1350000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
+ .consumer_supplies = tps65070_dcdc3_consumers,
+ .driver_data = &tps6507x_platform_data,
+ },
+
+ /* ldo1 */
+ {
+ .constraints = {
+ .min_uV = 1710000,
+ .max_uV = 1890000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
+ .consumer_supplies = tps65070_ldo1_consumers,
+ },
+
+ /* ldo2 */
+ {
+ .constraints = {
+ .min_uV = 1140000,
+ .max_uV = 1320000,
+ .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS),
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
+ .consumer_supplies = tps65070_ldo2_consumers,
+ },
+};
+
+static struct touchscreen_init_data tps6507x_touchscreen_data = {
+ .poll_period = 30, /* ms between touch samples */
+ .min_pressure = 0x30, /* minimum pressure to trigger touch */
+ .vref = 0, /* turn off vref when not using A/D */
+ .vendor = 0, /* /sys/class/input/input?/id/vendor */
+ .product = 65070, /* /sys/class/input/input?/id/product */
+ .version = 0x100, /* /sys/class/input/input?/id/version */
+};
+
+static struct tps6507x_board tps_board = {
+ .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
+ .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
+};
+
+static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
+ {
+ I2C_BOARD_INFO("tps6507x", 0x48),
+ .platform_data = &tps_board,
+ },
+};
+
+static int __init pmic_tps65070_init(void)
+{
+ return i2c_register_board_info(1, da850_evm_tps65070_info,
+ ARRAY_SIZE(da850_evm_tps65070_info));
+}
+
+static const short da850_evm_lcdc_pins[] = {
+ DA850_GPIO2_8, DA850_GPIO2_15,
+ -1
+};
+
+static const short da850_evm_mii_pins[] = {
+ DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
+ DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
+ DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
+ DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
+ DA850_MDIO_D,
+ -1
+};
+
+static const short da850_evm_rmii_pins[] = {
+ DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
+ DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
+ DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
+ DA850_MDIO_D,
+ -1
+};
+
+static int __init da850_evm_config_emac(void)
+{
+ void __iomem *cfg_chip3_base;
+ int ret;
+ u32 val;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+ u8 rmii_en = soc_info->emac_pdata->rmii_en;
+
+ if (!machine_is_davinci_da850_evm())
+ return 0;
+
+ cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+
+ val = __raw_readl(cfg_chip3_base);
+
+ if (rmii_en) {
+ val |= BIT(8);
+ ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
+ pr_info("EMAC: RMII PHY configured, MII PHY will not be"
+ " functional\n");
+ } else {
+ val &= ~BIT(8);
+ ret = davinci_cfg_reg_list(da850_evm_mii_pins);
+ pr_info("EMAC: MII PHY configured, RMII PHY will not be"
+ " functional\n");
+ }
+
+ if (ret)
+ pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
+ ret);
+
+ /* configure the CFGCHIP3 register for RMII or MII */
+ __raw_writel(val, cfg_chip3_base);
+
+ ret = davinci_cfg_reg(DA850_GPIO2_6);
+ if (ret)
+ pr_warning("da850_evm_init:GPIO(2,6) mux setup "
+ "failed\n");
+
+ ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
+ if (ret) {
+ pr_warning("Cannot open GPIO %d\n",
+ DA850_MII_MDIO_CLKEN_PIN);
+ return ret;
+ }
+
+ /* Enable/Disable MII MDIO clock */
+ gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
+
+ soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
+
+ ret = da8xx_register_emac();
+ if (ret)
+ pr_warning("da850_evm_init: emac registration failed: %d\n",
+ ret);
+
+ return 0;
+}
+device_initcall(da850_evm_config_emac);
+
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
+ * they are being reserved for codecs on the DSP side.
+ */
+static const s16 da850_dma0_rsv_chans[][2] = {
+ /* (offset, number) */
+ { 8, 6},
+ {24, 4},
+ {30, 2},
+ {-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+ /* (offset, number) */
+ { 8, 6},
+ {24, 4},
+ {30, 50},
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+ /* (offset, number) */
+ { 0, 28},
+ {30, 2},
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+ /* (offset, number) */
+ { 0, 28},
+ {30, 90},
+ {-1, -1}
+};
+
+static struct edma_rsv_info da850_edma_cc0_rsv = {
+ .rsv_chans = da850_dma0_rsv_chans,
+ .rsv_slots = da850_dma0_rsv_slots,
+};
+
+static struct edma_rsv_info da850_edma_cc1_rsv = {
+ .rsv_chans = da850_dma1_rsv_chans,
+ .rsv_slots = da850_dma1_rsv_slots,
+};
+
+static struct edma_rsv_info *da850_edma_rsv[2] = {
+ &da850_edma_cc0_rsv,
+ &da850_edma_cc1_rsv,
+};
+
+#ifdef CONFIG_CPU_FREQ
+static __init int da850_evm_init_cpufreq(void)
+{
+ switch (system_rev & 0xF) {
+ case 3:
+ da850_max_speed = 456000;
+ break;
+ case 2:
+ da850_max_speed = 408000;
+ break;
+ case 1:
+ da850_max_speed = 372000;
+ break;
+ }
+
+ return da850_register_cpufreq("pll0_sysclk3");
+}
+#else
+static __init int da850_evm_init_cpufreq(void) { return 0; }
+#endif
+
+static __init void da850_evm_init(void)
+{
+ int ret;
+
+ ret = pmic_tps65070_init();
+ if (ret)
+ pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
+ ret);
+
+ ret = da850_register_edma(da850_edma_rsv);
+ if (ret)
+ pr_warning("da850_evm_init: edma registration failed: %d\n",
+ ret);
+
+ ret = davinci_cfg_reg_list(da850_i2c0_pins);
+ if (ret)
+ pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
+ if (ret)
+ pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
+ ret);
+
+
+ ret = da8xx_register_watchdog();
+ if (ret)
+ pr_warning("da830_evm_init: watchdog registration failed: %d\n",
+ ret);
+
+ if (HAS_MMC) {
+ ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
+ " %d\n", ret);
+
+ ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_CD_PIN);
+ gpio_direction_input(DA850_MMCSD_CD_PIN);
+
+ ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_WP_PIN);
+ gpio_direction_input(DA850_MMCSD_WP_PIN);
+
+ ret = da8xx_register_mmcsd0(&da850_mmc_config);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 registration failed:"
+ " %d\n", ret);
+ }
+
+ davinci_serial_init(&da850_evm_uart_config);
+
+ i2c_register_board_info(1, da850_evm_i2c_devices,
+ ARRAY_SIZE(da850_evm_i2c_devices));
+
+ /*
+ * shut down uart 0 and 1; they are not used on the board and
+ * accessing them causes endless "too much work in irq53" messages
+ * with arago fs
+ */
+ __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
+ __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
+
+ ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
+ if (ret)
+ pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
+ ret);
+
+ da8xx_register_mcasp(0, &da850_evm_snd_data);
+
+ ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
+ if (ret)
+ pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
+ ret);
+
+ /* Handle board specific muxing for LCD here */
+ ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
+ if (ret)
+ pr_warning("da850_evm_init: evm specific lcd mux setup "
+ "failed: %d\n", ret);
+
+ ret = da850_lcd_hw_init();
+ if (ret)
+ pr_warning("da850_evm_init: lcd initialization failed: %d\n",
+ ret);
+
+ sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
+ ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
+ if (ret)
+ pr_warning("da850_evm_init: lcdc registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_rtc();
+ if (ret)
+ pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
+
+ ret = da850_evm_init_cpufreq();
+ if (ret)
+ pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_cpuidle();
+ if (ret)
+ pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
+ ret);
+
+ ret = da850_register_pm(&da850_pm_device);
+ if (ret)
+ pr_warning("da850_evm_init: suspend registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_spi(1, da850evm_spi_info,
+ ARRAY_SIZE(da850evm_spi_info));
+ if (ret)
+ pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
+ ret);
+
+ da850_evm_setup_mac_addr();
+}
+
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static int __init da850_evm_console_init(void)
+{
+ if (!machine_is_davinci_da850_evm())
+ return 0;
+
+ return add_preferred_console("ttyS", 2, "115200");
+}
+console_initcall(da850_evm_console_init);
+#endif
+
+static void __init da850_evm_map_io(void)
+{
+ da850_init();
+}
+
+MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
+ .boot_params = (DA8XX_DDR_BASE + 0x100),
+ .map_io = da850_evm_map_io,
+ .init_irq = cp_intc_init,
+ .timer = &davinci_timer,
+ .init_machine = da850_evm_init,
+MACHINE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 05:28:32 +0000