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259 lines
5.6 KiB
259 lines
5.6 KiB
/* |
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* arch/arm/mach-spear3xx/spear310.c |
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* |
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* SPEAr310 machine source file |
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* |
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* Copyright (C) 2009-2012 ST Microelectronics |
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* Viresh Kumar <[email protected]> |
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* |
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* This file is licensed under the terms of the GNU General Public |
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* License version 2. This program is licensed "as is" without any |
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* warranty of any kind, whether express or implied. |
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*/ |
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#define pr_fmt(fmt) "SPEAr310: " fmt |
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#include <linux/amba/pl08x.h> |
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#include <linux/amba/serial.h> |
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#include <linux/of_platform.h> |
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#include <asm/mach/arch.h> |
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#include "generic.h" |
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#include <mach/spear.h> |
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#define SPEAR310_UART1_BASE UL(0xB2000000) |
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#define SPEAR310_UART2_BASE UL(0xB2080000) |
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#define SPEAR310_UART3_BASE UL(0xB2100000) |
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#define SPEAR310_UART4_BASE UL(0xB2180000) |
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#define SPEAR310_UART5_BASE UL(0xB2200000) |
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/* DMAC platform data's slave info */ |
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struct pl08x_channel_data spear310_dma_info[] = { |
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{ |
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.bus_id = "uart0_rx", |
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.min_signal = 2, |
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.max_signal = 2, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart0_tx", |
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.min_signal = 3, |
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.max_signal = 3, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ssp0_rx", |
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.min_signal = 8, |
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.max_signal = 8, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ssp0_tx", |
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.min_signal = 9, |
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.max_signal = 9, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "i2c_rx", |
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.min_signal = 10, |
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.max_signal = 10, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "i2c_tx", |
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.min_signal = 11, |
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.max_signal = 11, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "irda", |
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.min_signal = 12, |
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.max_signal = 12, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "adc", |
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.min_signal = 13, |
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.max_signal = 13, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "to_jpeg", |
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.min_signal = 14, |
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.max_signal = 14, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "from_jpeg", |
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.min_signal = 15, |
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.max_signal = 15, |
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.muxval = 0, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart1_rx", |
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.min_signal = 0, |
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.max_signal = 0, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart1_tx", |
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.min_signal = 1, |
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.max_signal = 1, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart2_rx", |
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.min_signal = 2, |
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.max_signal = 2, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart2_tx", |
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.min_signal = 3, |
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.max_signal = 3, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart3_rx", |
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.min_signal = 4, |
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.max_signal = 4, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart3_tx", |
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.min_signal = 5, |
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.max_signal = 5, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart4_rx", |
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.min_signal = 6, |
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.max_signal = 6, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart4_tx", |
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.min_signal = 7, |
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.max_signal = 7, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart5_rx", |
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.min_signal = 8, |
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.max_signal = 8, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "uart5_tx", |
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.min_signal = 9, |
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.max_signal = 9, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras5_rx", |
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.min_signal = 10, |
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.max_signal = 10, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras5_tx", |
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.min_signal = 11, |
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.max_signal = 11, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras6_rx", |
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.min_signal = 12, |
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.max_signal = 12, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras6_tx", |
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.min_signal = 13, |
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.max_signal = 13, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras7_rx", |
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.min_signal = 14, |
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.max_signal = 14, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, { |
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.bus_id = "ras7_tx", |
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.min_signal = 15, |
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.max_signal = 15, |
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.muxval = 1, |
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.periph_buses = PL08X_AHB1, |
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}, |
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}; |
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/* uart devices plat data */ |
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static struct amba_pl011_data spear310_uart_data[] = { |
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{ |
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.dma_filter = pl08x_filter_id, |
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.dma_tx_param = "uart1_tx", |
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.dma_rx_param = "uart1_rx", |
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}, { |
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.dma_filter = pl08x_filter_id, |
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.dma_tx_param = "uart2_tx", |
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.dma_rx_param = "uart2_rx", |
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}, { |
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.dma_filter = pl08x_filter_id, |
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.dma_tx_param = "uart3_tx", |
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.dma_rx_param = "uart3_rx", |
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}, { |
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.dma_filter = pl08x_filter_id, |
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.dma_tx_param = "uart4_tx", |
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.dma_rx_param = "uart4_rx", |
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}, { |
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.dma_filter = pl08x_filter_id, |
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.dma_tx_param = "uart5_tx", |
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.dma_rx_param = "uart5_rx", |
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}, |
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}; |
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/* Add SPEAr310 auxdata to pass platform data */ |
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static struct of_dev_auxdata spear310_auxdata_lookup[] __initdata = { |
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OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL, |
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&pl022_plat_data), |
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OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL, |
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&pl080_plat_data), |
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OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL, |
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&spear310_uart_data[0]), |
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OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART2_BASE, NULL, |
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&spear310_uart_data[1]), |
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OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART3_BASE, NULL, |
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&spear310_uart_data[2]), |
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OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART4_BASE, NULL, |
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&spear310_uart_data[3]), |
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OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART5_BASE, NULL, |
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&spear310_uart_data[4]), |
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{} |
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}; |
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static void __init spear310_dt_init(void) |
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{ |
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pl080_plat_data.slave_channels = spear310_dma_info; |
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pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear310_dma_info); |
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of_platform_default_populate(NULL, spear310_auxdata_lookup, NULL); |
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} |
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static const char * const spear310_dt_board_compat[] = { |
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"st,spear310", |
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"st,spear310-evb", |
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NULL, |
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}; |
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static void __init spear310_map_io(void) |
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{ |
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spear3xx_map_io(); |
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} |
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DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree") |
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.map_io = spear310_map_io, |
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.init_time = spear3xx_timer_init, |
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.init_machine = spear310_dt_init, |
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.restart = spear_restart, |
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.dt_compat = spear310_dt_board_compat, |
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MACHINE_END
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