diff options
Diffstat (limited to 'arch/arm/mach-spear3xx/spear320.c')
| -rw-r--r-- | arch/arm/mach-spear3xx/spear320.c | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c deleted file mode 100644 index 88d483bcd66..00000000000 --- a/arch/arm/mach-spear3xx/spear320.c +++ /dev/null @@ -1,506 +0,0 @@ -/* - * arch/arm/mach-spear3xx/spear320.c - * - * SPEAr320 machine source file - * - * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * 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) "SPEAr320: " fmt - -#include <linux/amba/pl022.h> -#include <linux/amba/pl08x.h> -#include <linux/amba/serial.h> -#include <linux/of_platform.h> -#include <asm/hardware/vic.h> -#include <asm/mach/arch.h> -#include <plat/shirq.h> -#include <mach/generic.h> -#include <mach/spear.h> - -#define SPEAR320_UART1_BASE UL(0xA3000000) -#define SPEAR320_UART2_BASE UL(0xA4000000) -#define SPEAR320_SSP0_BASE UL(0xA5000000) -#define SPEAR320_SSP1_BASE UL(0xA6000000) - -/* Interrupt registers offsets and masks */ -#define SPEAR320_INT_STS_MASK_REG 0x04 -#define SPEAR320_INT_CLR_MASK_REG 0x04 -#define SPEAR320_INT_ENB_MASK_REG 0x08 -#define SPEAR320_GPIO_IRQ_MASK (1 << 0) -#define SPEAR320_I2S_PLAY_IRQ_MASK (1 << 1) -#define SPEAR320_I2S_REC_IRQ_MASK (1 << 2) -#define SPEAR320_EMI_IRQ_MASK (1 << 7) -#define SPEAR320_CLCD_IRQ_MASK (1 << 8) -#define SPEAR320_SPP_IRQ_MASK (1 << 9) -#define SPEAR320_SDHCI_IRQ_MASK (1 << 10) -#define SPEAR320_CAN_U_IRQ_MASK (1 << 11) -#define SPEAR320_CAN_L_IRQ_MASK (1 << 12) -#define SPEAR320_UART1_IRQ_MASK (1 << 13) -#define SPEAR320_UART2_IRQ_MASK (1 << 14) -#define SPEAR320_SSP1_IRQ_MASK (1 << 15) -#define SPEAR320_SSP2_IRQ_MASK (1 << 16) -#define SPEAR320_SMII0_IRQ_MASK (1 << 17) -#define SPEAR320_MII1_SMII1_IRQ_MASK (1 << 18) -#define SPEAR320_WAKEUP_SMII0_IRQ_MASK (1 << 19) -#define SPEAR320_WAKEUP_MII1_SMII1_IRQ_MASK (1 << 20) -#define SPEAR320_I2C1_IRQ_MASK (1 << 21) - -#define SPEAR320_SHIRQ_RAS1_MASK 0x000380 -#define SPEAR320_SHIRQ_RAS3_MASK 0x000007 -#define SPEAR320_SHIRQ_INTRCOMM_RAS_MASK 0x3FF800 - -/* SPEAr320 Virtual irq definitions */ -/* IRQs sharing IRQ_GEN_RAS_1 */ -#define SPEAR320_VIRQ_EMI (SPEAR3XX_VIRQ_START + 0) -#define SPEAR320_VIRQ_CLCD (SPEAR3XX_VIRQ_START + 1) -#define SPEAR320_VIRQ_SPP (SPEAR3XX_VIRQ_START + 2) - -/* IRQs sharing IRQ_GEN_RAS_2 */ -#define SPEAR320_IRQ_SDHCI SPEAR3XX_IRQ_GEN_RAS_2 - -/* IRQs sharing IRQ_GEN_RAS_3 */ -#define SPEAR320_VIRQ_PLGPIO (SPEAR3XX_VIRQ_START + 3) -#define SPEAR320_VIRQ_I2S_PLAY (SPEAR3XX_VIRQ_START + 4) -#define SPEAR320_VIRQ_I2S_REC (SPEAR3XX_VIRQ_START + 5) - -/* IRQs sharing IRQ_INTRCOMM_RAS_ARM */ -#define SPEAR320_VIRQ_CANU (SPEAR3XX_VIRQ_START + 6) -#define SPEAR320_VIRQ_CANL (SPEAR3XX_VIRQ_START + 7) -#define SPEAR320_VIRQ_UART1 (SPEAR3XX_VIRQ_START + 8) -#define SPEAR320_VIRQ_UART2 (SPEAR3XX_VIRQ_START + 9) -#define SPEAR320_VIRQ_SSP1 (SPEAR3XX_VIRQ_START + 10) -#define SPEAR320_VIRQ_SSP2 (SPEAR3XX_VIRQ_START + 11) -#define SPEAR320_VIRQ_SMII0 (SPEAR3XX_VIRQ_START + 12) -#define SPEAR320_VIRQ_MII1_SMII1 (SPEAR3XX_VIRQ_START + 13) -#define SPEAR320_VIRQ_WAKEUP_SMII0 (SPEAR3XX_VIRQ_START + 14) -#define SPEAR320_VIRQ_WAKEUP_MII1_SMII1 (SPEAR3XX_VIRQ_START + 15) -#define SPEAR320_VIRQ_I2C1 (SPEAR3XX_VIRQ_START + 16) - -/* spear3xx shared irq */ -static struct shirq_dev_config shirq_ras1_config[] = { - { - .virq = SPEAR320_VIRQ_EMI, - .status_mask = SPEAR320_EMI_IRQ_MASK, - .clear_mask = SPEAR320_EMI_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_CLCD, - .status_mask = SPEAR320_CLCD_IRQ_MASK, - .clear_mask = SPEAR320_CLCD_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_SPP, - .status_mask = SPEAR320_SPP_IRQ_MASK, - .clear_mask = SPEAR320_SPP_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 = -1, - .status_reg = SPEAR320_INT_STS_MASK_REG, - .status_reg_mask = SPEAR320_SHIRQ_RAS1_MASK, - .clear_reg = SPEAR320_INT_CLR_MASK_REG, - .reset_to_clear = 1, - }, -}; - -static struct shirq_dev_config shirq_ras3_config[] = { - { - .virq = SPEAR320_VIRQ_PLGPIO, - .enb_mask = SPEAR320_GPIO_IRQ_MASK, - .status_mask = SPEAR320_GPIO_IRQ_MASK, - .clear_mask = SPEAR320_GPIO_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_I2S_PLAY, - .enb_mask = SPEAR320_I2S_PLAY_IRQ_MASK, - .status_mask = SPEAR320_I2S_PLAY_IRQ_MASK, - .clear_mask = SPEAR320_I2S_PLAY_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_I2S_REC, - .enb_mask = SPEAR320_I2S_REC_IRQ_MASK, - .status_mask = SPEAR320_I2S_REC_IRQ_MASK, - .clear_mask = SPEAR320_I2S_REC_IRQ_MASK, - }, -}; - -static struct spear_shirq shirq_ras3 = { - .irq = SPEAR3XX_IRQ_GEN_RAS_3, - .dev_config = shirq_ras3_config, - .dev_count = ARRAY_SIZE(shirq_ras3_config), - .regs = { - .enb_reg = SPEAR320_INT_ENB_MASK_REG, - .reset_to_enb = 1, - .status_reg = SPEAR320_INT_STS_MASK_REG, - .status_reg_mask = SPEAR320_SHIRQ_RAS3_MASK, - .clear_reg = SPEAR320_INT_CLR_MASK_REG, - .reset_to_clear = 1, - }, -}; - -static struct shirq_dev_config shirq_intrcomm_ras_config[] = { - { - .virq = SPEAR320_VIRQ_CANU, - .status_mask = SPEAR320_CAN_U_IRQ_MASK, - .clear_mask = SPEAR320_CAN_U_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_CANL, - .status_mask = SPEAR320_CAN_L_IRQ_MASK, - .clear_mask = SPEAR320_CAN_L_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_UART1, - .status_mask = SPEAR320_UART1_IRQ_MASK, - .clear_mask = SPEAR320_UART1_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_UART2, - .status_mask = SPEAR320_UART2_IRQ_MASK, - .clear_mask = SPEAR320_UART2_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_SSP1, - .status_mask = SPEAR320_SSP1_IRQ_MASK, - .clear_mask = SPEAR320_SSP1_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_SSP2, - .status_mask = SPEAR320_SSP2_IRQ_MASK, - .clear_mask = SPEAR320_SSP2_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_SMII0, - .status_mask = SPEAR320_SMII0_IRQ_MASK, - .clear_mask = SPEAR320_SMII0_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_MII1_SMII1, - .status_mask = SPEAR320_MII1_SMII1_IRQ_MASK, - .clear_mask = SPEAR320_MII1_SMII1_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_WAKEUP_SMII0, - .status_mask = SPEAR320_WAKEUP_SMII0_IRQ_MASK, - .clear_mask = SPEAR320_WAKEUP_SMII0_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_WAKEUP_MII1_SMII1, - .status_mask = SPEAR320_WAKEUP_MII1_SMII1_IRQ_MASK, - .clear_mask = SPEAR320_WAKEUP_MII1_SMII1_IRQ_MASK, - }, { - .virq = SPEAR320_VIRQ_I2C1, - .status_mask = SPEAR320_I2C1_IRQ_MASK, - .clear_mask = SPEAR320_I2C1_IRQ_MASK, - }, -}; - -static struct spear_shirq shirq_intrcomm_ras = { - .irq = SPEAR3XX_IRQ_INTRCOMM_RAS_ARM, - .dev_config = shirq_intrcomm_ras_config, - .dev_count = ARRAY_SIZE(shirq_intrcomm_ras_config), - .regs = { - .enb_reg = -1, - .status_reg = SPEAR320_INT_STS_MASK_REG, - .status_reg_mask = SPEAR320_SHIRQ_INTRCOMM_RAS_MASK, - .clear_reg = SPEAR320_INT_CLR_MASK_REG, - .reset_to_clear = 1, - }, -}; - -/* DMAC platform data's slave info */ -struct pl08x_channel_data spear320_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 = "i2c0_rx", - .min_signal = 10, - .max_signal = 10, - .muxval = 0, - .cctl = 0, - .periph_buses = PL08X_AHB1, - }, { - .bus_id = "i2c0_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 = "ssp1_rx", - .min_signal = 0, - .max_signal = 0, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "ssp1_tx", - .min_signal = 1, - .max_signal = 1, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "ssp2_rx", - .min_signal = 2, - .max_signal = 2, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "ssp2_tx", - .min_signal = 3, - .max_signal = 3, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "uart1_rx", - .min_signal = 4, - .max_signal = 4, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "uart1_tx", - .min_signal = 5, - .max_signal = 5, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "uart2_rx", - .min_signal = 6, - .max_signal = 6, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "uart2_tx", - .min_signal = 7, - .max_signal = 7, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2c1_rx", - .min_signal = 8, - .max_signal = 8, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2c1_tx", - .min_signal = 9, - .max_signal = 9, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2c2_rx", - .min_signal = 10, - .max_signal = 10, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2c2_tx", - .min_signal = 11, - .max_signal = 11, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2s_rx", - .min_signal = 12, - .max_signal = 12, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "i2s_tx", - .min_signal = 13, - .max_signal = 13, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "rs485_rx", - .min_signal = 14, - .max_signal = 14, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, { - .bus_id = "rs485_tx", - .min_signal = 15, - .max_signal = 15, - .muxval = 1, - .cctl = 0, - .periph_buses = PL08X_AHB2, - }, -}; - -static struct pl022_ssp_controller spear320_ssp_data[] = { - { - .bus_id = 1, - .enable_dma = 1, - .dma_filter = pl08x_filter_id, - .dma_tx_param = "ssp1_tx", - .dma_rx_param = "ssp1_rx", - .num_chipselect = 2, - }, { - .bus_id = 2, - .enable_dma = 1, - .dma_filter = pl08x_filter_id, - .dma_tx_param = "ssp2_tx", - .dma_rx_param = "ssp2_rx", - .num_chipselect = 2, - } -}; - -static struct amba_pl011_data spear320_uart_data[] = { - { - .dma_filter = pl08x_filter_id, - .dma_tx_param = "uart1_tx", - .dma_rx_param = "uart1_rx", - }, { - .dma_filter = pl08x_filter_id, - .dma_tx_param = "uart2_tx", - .dma_rx_param = "uart2_rx", - }, -}; - -/* Add SPEAr310 auxdata to pass platform data */ -static struct of_dev_auxdata spear320_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), - OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP0_BASE, NULL, - &spear320_ssp_data[0]), - OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP1_BASE, NULL, - &spear320_ssp_data[1]), - OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART1_BASE, NULL, - &spear320_uart_data[0]), - OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART2_BASE, NULL, - &spear320_uart_data[1]), - {} -}; - -static void __init spear320_dt_init(void) -{ - void __iomem *base; - int ret; - - pl080_plat_data.slave_channels = spear320_dma_info; - pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear320_dma_info); - - of_platform_populate(NULL, of_default_bus_match_table, - spear320_auxdata_lookup, NULL); - - /* shared irq registration */ - base = ioremap(SPEAR320_SOC_CONFIG_BASE, SZ_4K); - if (base) { - /* shirq 1 */ - shirq_ras1.regs.base = base; - ret = spear_shirq_register(&shirq_ras1); - if (ret) - pr_err("Error registering Shared IRQ 1\n"); - - /* shirq 3 */ - shirq_ras3.regs.base = base; - ret = spear_shirq_register(&shirq_ras3); - if (ret) - pr_err("Error registering Shared IRQ 3\n"); - - /* shirq 4 */ - shirq_intrcomm_ras.regs.base = base; - ret = spear_shirq_register(&shirq_intrcomm_ras); - if (ret) - pr_err("Error registering Shared IRQ 4\n"); - } -} - -static const char * const spear320_dt_board_compat[] = { - "st,spear320", - "st,spear320-evb", - NULL, -}; - -struct map_desc spear320_io_desc[] __initdata = { - { - .virtual = VA_SPEAR320_SOC_CONFIG_BASE, - .pfn = __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE), - .length = SZ_16M, - .type = MT_DEVICE - }, -}; - -static void __init spear320_map_io(void) -{ - iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc)); - spear3xx_map_io(); -} - -DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree") - .map_io = spear320_map_io, - .init_irq = spear3xx_dt_init_irq, - .handle_irq = vic_handle_irq, - .timer = &spear3xx_timer, - .init_machine = spear320_dt_init, - .restart = spear_restart, - .dt_compat = spear320_dt_board_compat, -MACHINE_END |