/* * arch/arm/mach-spear3xx/spear300.c * * SPEAr300 machine source file * * Copyright (C) 2009-2012 ST Microelectronics * Viresh Kumar * * 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. */ #define pr_fmt(fmt) "SPEAr300: " fmt #include #include #include #include #include #include #include /* spear3xx shared irq */ static struct shirq_dev_config shirq_ras1_config[] = { { .virq = SPEAR300_VIRQ_IT_PERS_S, .enb_mask = SPEAR300_IT_PERS_S_IRQ_MASK, .status_mask = SPEAR300_IT_PERS_S_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_IT_CHANGE_S, .enb_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK, .status_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_I2S, .enb_mask = SPEAR300_I2S_IRQ_MASK, .status_mask = SPEAR300_I2S_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_TDM, .enb_mask = SPEAR300_TDM_IRQ_MASK, .status_mask = SPEAR300_TDM_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_CAMERA_L, .enb_mask = SPEAR300_CAMERA_L_IRQ_MASK, .status_mask = SPEAR300_CAMERA_L_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_CAMERA_F, .enb_mask = SPEAR300_CAMERA_F_IRQ_MASK, .status_mask = SPEAR300_CAMERA_F_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_CAMERA_V, .enb_mask = SPEAR300_CAMERA_V_IRQ_MASK, .status_mask = SPEAR300_CAMERA_V_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_KEYBOARD, .enb_mask = SPEAR300_KEYBOARD_IRQ_MASK, .status_mask = SPEAR300_KEYBOARD_IRQ_MASK, }, { .virq = SPEAR300_VIRQ_GPIO1, .enb_mask = SPEAR300_GPIO1_IRQ_MASK, .status_mask = SPEAR300_GPIO1_IRQ_MASK, }, }; static struct spear_shirq shirq_ras1 = { .irq = SPEAR3XX_IRQ_GEN_RAS_1, .dev_config = shirq_ras1_config, .dev_count = ARRAY_SIZE(shirq_ras1_config), .regs = { .enb_reg = SPEAR300_INT_ENB_MASK_REG, .status_reg = SPEAR300_INT_STS_MASK_REG, .status_reg_mask = SPEAR300_SHIRQ_RAS1_MASK, .clear_reg = -1, }, }; /* DMAC platform data's slave info */ struct pl08x_channel_data spear300_dma_info[] = { { .bus_id = "uart0_rx", .min_signal = 2, .max_signal = 2, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, }; /* Add SPEAr300 auxdata to pass platform data */ static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL, &pl022_plat_data), OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL, &pl080_plat_data), {} }; static void __init spear300_dt_init(void) { int ret; pl080_plat_data.slave_channels = spear300_dma_info; pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info); of_platform_populate(NULL, of_default_bus_match_table, spear300_auxdata_lookup, NULL); /* shared irq registration */ shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K); if (shirq_ras1.regs.base) { ret = spear_shirq_register(&shirq_ras1); if (ret) pr_err("Error registering Shared IRQ\n"); } } static const char * const spear300_dt_board_compat[] = { "st,spear300", "st,spear300-evb", NULL, }; static void __init spear300_map_io(void) { spear3xx_map_io(); spear300_clk_init(); } DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree") .map_io = spear300_map_io, .init_irq = spear3xx_dt_init_irq, .handle_irq = vic_handle_irq, .timer = &spear3xx_timer, .init_machine = spear300_dt_init, .restart = spear_restart, .dt_compat = spear300_dt_board_compat, MACHINE_END