/* * (c) 2010 STMicroelectronics Limited * * Author: Pawel Moll * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include /* EMI resources ---------------------------------------------------------- */ static void stx7111_emi_power(struct stm_device_state *device_state, enum stm_device_power_state power) { int i; int value = (power == stm_device_power_on) ? 0 : 1; stm_device_sysconf_write(device_state, "EMI_PWR", value); for (i = 5; i; --i) { if (stm_device_sysconf_read(device_state, "EMI_ACK") == value) break; mdelay(10); } return; } static struct platform_device stx7111_emi = { .name = "emi", .id = -1, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0, 128 * 1024 * 1024), STM_PLAT_RESOURCE_MEM(0xfe700000, 0x874), }, .dev.platform_data = &(struct stm_device_config){ .sysconfs_num = 2, .sysconfs = (struct stm_device_sysconf []){ STM_DEVICE_SYS_CFG(32, 1, 1, "EMI_PWR"), STM_DEVICE_SYS_STA(15, 1, 1, "EMI_ACK"), }, .power = stx7111_emi_power, } }; /* NAND Resources --------------------------------------------------------- */ static struct platform_device stx7111_nand_emi_device = { .name = "stm-nand-emi", .dev.platform_data = &(struct stm_plat_nand_emi_data) { }, }; static struct platform_device stx7111_nand_flex_device = { .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM_NAMED("flex_mem", 0xfe701000, 0x1000), STM_PLAT_RESOURCE_IRQ(evt2irq(0x14c0), -1), }, .dev.platform_data = &(struct stm_plat_nand_flex_data) { }, }; void __init stx7111_configure_nand(struct stm_nand_config *config) { struct stm_plat_nand_flex_data *flex_data; struct stm_plat_nand_emi_data *emi_data; switch (config->driver) { case stm_nand_emi: /* Configure device for stm-nand-emi driver */ emi_data = stx7111_nand_emi_device.dev.platform_data; emi_data->nr_banks = config->nr_banks; emi_data->banks = config->banks; emi_data->emi_rbn_gpio = config->rbn.emi_gpio; platform_device_register(&stx7111_nand_emi_device); break; case stm_nand_flex: case stm_nand_afm: /* Configure device for stm-nand-flex/afm driver */ flex_data = stx7111_nand_flex_device.dev.platform_data; flex_data->nr_banks = config->nr_banks; flex_data->banks = config->banks; flex_data->flex_rbn_connected = config->rbn.flex_connected; stx7111_nand_flex_device.name = (config->driver == stm_nand_flex) ? "stm-nand-flex" : "stm-nand-afm"; platform_device_register(&stx7111_nand_flex_device); break; } } /* FDMA resources --------------------------------------------------------- */ static struct stm_plat_fdma_fw_regs stm_fdma_firmware_7111 = { .rev_id = 0x8000 + (0x000 << 2), /* 0x8000 */ .cmd_statn = 0x8000 + (0x450 << 2), /* 0x9140 */ .req_ctln = 0x8000 + (0x460 << 2), /* 0x9180 */ .ptrn = 0x8000 + (0x560 << 2), /* 0x9580 */ .cntn = 0x8000 + (0x562 << 2), /* 0x9588 */ .saddrn = 0x8000 + (0x563 << 2), /* 0x958c */ .daddrn = 0x8000 + (0x564 << 2), /* 0x9590 */ }; static struct stm_plat_fdma_hw stx7111_fdma_hw = { .slim_regs = { .id = 0x0000 + (0x000 << 2), /* 0x0000 */ .ver = 0x0000 + (0x001 << 2), /* 0x0004 */ .en = 0x0000 + (0x002 << 2), /* 0x0008 */ .clk_gate = 0x0000 + (0x003 << 2), /* 0x000c */ }, .dmem = { .offset = 0x8000, .size = 0x800 << 2, /* 2048 * 4 = 8192 */ }, .periph_regs = { .sync_reg = 0x8000 + (0xfe2 << 2), /* 0xbf88 */ .cmd_sta = 0x8000 + (0xff0 << 2), /* 0xbfc0 */ .cmd_set = 0x8000 + (0xff1 << 2), /* 0xbfc4 */ .cmd_clr = 0x8000 + (0xff2 << 2), /* 0xbfc8 */ .cmd_mask = 0x8000 + (0xff3 << 2), /* 0xbfcc */ .int_sta = 0x8000 + (0xff4 << 2), /* 0xbfd0 */ .int_set = 0x8000 + (0xff5 << 2), /* 0xbfd4 */ .int_clr = 0x8000 + (0xff6 << 2), /* 0xbfd8 */ .int_mask = 0x8000 + (0xff7 << 2), /* 0xbfdc */ }, .imem = { .offset = 0xc000, .size = 0x1000 << 2, /* 4096 * 4 = 16384 */ }, }; static struct stm_plat_fdma_data stx7111_fdma_platform_data = { .hw = &stx7111_fdma_hw, .fw = &stm_fdma_firmware_7111, }; static struct platform_device stx7111_fdma_devices[] = { { .name = "stm-fdma", .id = 0, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe220000, 0x10000), STM_PLAT_RESOURCE_IRQ(evt2irq(0x1380), -1), }, .dev.platform_data = &stx7111_fdma_platform_data, }, { .name = "stm-fdma", .id = 1, .num_resources = 2, .resource = (struct resource[2]) { STM_PLAT_RESOURCE_MEM(0xfe410000, 0x10000), STM_PLAT_RESOURCE_IRQ(evt2irq(0x13a0), -1), }, .dev.platform_data = &stx7111_fdma_platform_data, } }; static struct platform_device stx7111_fdma_xbar_device = { .name = "stm-fdma-xbar", .id = -1, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe420000, 0x1000), }, }; /* Hardware RNG resources ------------------------------------------------- */ static struct platform_device stx7111_rng_hwrandom_device = { .name = "stm-hwrandom", .id = -1, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe250000, 0x1000), } }; static struct platform_device stx7111_rng_devrandom_device = { .name = "stm-rng", .id = -1, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe250000, 0x1000), } }; /* Internal temperature sensor resources ---------------------------------- */ static void stx7111_temp_power(struct stm_device_state *device_state, enum stm_device_power_state power) { int value = (power == stm_device_power_on) ? 1 : 0; stm_device_sysconf_write(device_state, "TEMP_PWR", value); } static struct platform_device stx7111_temp_device = { .name = "stm-temp", .id = -1, .dev.platform_data = &(struct plat_stm_temp_data) { .dcorrect = { SYS_CFG, 41, 5, 9 }, .overflow = { SYS_STA, 12, 8, 8 }, .data = { SYS_STA, 12, 10, 16 }, .device_config = &(struct stm_device_config) { .sysconfs_num = 1, .power = stx7111_temp_power, .sysconfs = (struct stm_device_sysconf []){ STM_DEVICE_SYS_CFG(41, 4, 4, "TEMP_PWR"), }, } }, }; /* PIO ports resources ---------------------------------------------------- */ static struct platform_device stx7111_pio_devices[] = { [0] = { .name = "stm-gpio", .id = 0, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd020000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0xc00), -1), }, }, [1] = { .name = "stm-gpio", .id = 1, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd021000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0xc80), -1), }, }, [2] = { .name = "stm-gpio", .id = 2, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd022000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0xd00), -1), }, }, [3] = { .name = "stm-gpio", .id = 3, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd023000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0x1060), -1), }, }, [4] = { .name = "stm-gpio", .id = 4, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd024000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0x1040), -1), }, }, [5] = { .name = "stm-gpio", .id = 5, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd025000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0x1020), -1), }, }, [6] = { .name = "stm-gpio", .id = 6, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfd026000, 0x100), STM_PLAT_RESOURCE_IRQ(evt2irq(0x1000), -1), }, }, /* Standalone PIO blocks */ /* All the following block use the same interrupt, which is * defined as a separate platform device below */ [7] = { .name = "stm-gpio", .id = 7, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe010000, 0x100), }, }, [8] = { .name = "stm-gpio", .id = 8, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe011000, 0x100), }, }, [9] = { .name = "stm-gpio", .id = 9, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe012000, 0x100), }, }, [10] = { .name = "stm-gpio", .id = 10, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe013000, 0x100), }, }, [11] = { .name = "stm-gpio", .id = 11, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe014000, 0x100), }, }, }; static struct platform_device stx7111_pio_irqmux_device = { .name = "stm-gpio-irqmux", .id = -1, .num_resources = 2, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe01f080, 0x4), STM_PLAT_RESOURCE_IRQ(evt2irq(0xbc0), -1), }, .dev.platform_data = &(struct stm_plat_pio_irqmux_data) { .port_first = 7, .ports_num = 5, } }; static int stx7111_pio_config(unsigned gpio, enum stm_pad_gpio_direction direction, int function, void *priv) { switch (direction) { case stm_pad_gpio_direction_in: BUG_ON(function != -1); stm_gpio_direction(gpio, STM_GPIO_DIRECTION_IN); break; case stm_pad_gpio_direction_out: BUG_ON(function < 0); BUG_ON(function > 1); stm_gpio_direction(gpio, function ? STM_GPIO_DIRECTION_ALT_OUT : STM_GPIO_DIRECTION_OUT); break; case stm_pad_gpio_direction_bidir: BUG_ON(function < 0); BUG_ON(function > 1); stm_gpio_direction(gpio, function ? STM_GPIO_DIRECTION_ALT_BIDIR : STM_GPIO_DIRECTION_BIDIR); break; default: BUG(); break; } return 0; } /* sysconf resources ------------------------------------------------------ */ static struct platform_device stx7111_sysconf_device = { .name = "stm-sysconf", .id = -1, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0xfe001000, 0x1e0), }, .dev.platform_data = &(struct stm_plat_sysconf_data) { .groups_num = 3, .groups = (struct stm_plat_sysconf_group []) { PLAT_SYSCONF_GROUP(SYS_DEV, 0x000), PLAT_SYSCONF_GROUP(SYS_STA, 0x008), PLAT_SYSCONF_GROUP(SYS_CFG, 0x100), }, }, }; /* Early initialisation-----------------------------------------------------*/ /* Initialise devices which are required early in the boot process. */ void __init stx7111_early_device_init(void) { struct sysconf_field *sc; unsigned long devid; unsigned long chip_revision; /* Initialise PIO and sysconf drivers */ sysconf_early_init(&stx7111_sysconf_device, 1); stm_gpio_early_init(stx7111_pio_devices, ARRAY_SIZE(stx7111_pio_devices), ILC_FIRST_IRQ + ILC_NR_IRQS); stm_pad_init(ARRAY_SIZE(stx7111_pio_devices) * STM_GPIO_PINS_PER_PORT, -1, 0, stx7111_pio_config); sc = sysconf_claim(SYS_DEV, 0, 0, 31, "devid"); devid = sysconf_read(sc); chip_revision = (devid >> 28) + 1; boot_cpu_data.cut_major = chip_revision; printk(KERN_INFO "STx7111 version %ld.x\n", chip_revision); /* We haven't configured the LPC, so the sleep instruction may * do bad things. Thus we disable it here. */ disable_hlt(); } /* Pre-arch initialisation ------------------------------------------------ */ static int __init stx7111_postcore_setup(void) { int i; for (i = 0; i < ARRAY_SIZE(stx7111_pio_devices); i++) platform_device_register(&stx7111_pio_devices[i]); platform_device_register(&stx7111_pio_irqmux_device); return platform_device_register(&stx7111_emi); } postcore_initcall(stx7111_postcore_setup); /* Late initialisation ---------------------------------------------------- */ static struct platform_device *stx7111_devices[] __initdata = { &stx7111_fdma_devices[0], &stx7111_fdma_devices[1], &stx7111_fdma_xbar_device, &stx7111_sysconf_device, &stx7111_rng_hwrandom_device, &stx7111_rng_devrandom_device, &stx7111_temp_device, }; static int __init stx7111_devices_setup(void) { return platform_add_devices(stx7111_devices, ARRAY_SIZE(stx7111_devices)); } device_initcall(stx7111_devices_setup);