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Diffstat (limited to 'arch/arm/mach-s3c64xx/pl080.c')
-rw-r--r--arch/arm/mach-s3c64xx/pl080.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/arch/arm/mach-s3c64xx/pl080.c b/arch/arm/mach-s3c64xx/pl080.c
deleted file mode 100644
index 152edbeea0c7..000000000000
--- a/arch/arm/mach-s3c64xx/pl080.c
+++ /dev/null
@@ -1,264 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Samsung's S3C64XX generic DMA support using amba-pl08x driver.
-//
-// Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
-
-#include <linux/kernel.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/pl080.h>
-#include <linux/amba/pl08x.h>
-#include <linux/of.h>
-
-#include <plat/cpu.h>
-#include <mach/irqs.h>
-#include <mach/map.h>
-
-#include "regs-sys.h"
-
-static int pl08x_get_xfer_signal(const struct pl08x_channel_data *cd)
-{
- return cd->min_signal;
-}
-
-static void pl08x_put_xfer_signal(const struct pl08x_channel_data *cd, int ch)
-{
-}
-
-/*
- * DMA0
- */
-
-static struct pl08x_channel_data s3c64xx_dma0_info[] = {
- {
- .bus_id = "uart0_tx",
- .min_signal = 0,
- .max_signal = 0,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart0_rx",
- .min_signal = 1,
- .max_signal = 1,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart1_tx",
- .min_signal = 2,
- .max_signal = 2,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart1_rx",
- .min_signal = 3,
- .max_signal = 3,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart2_tx",
- .min_signal = 4,
- .max_signal = 4,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart2_rx",
- .min_signal = 5,
- .max_signal = 5,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart3_tx",
- .min_signal = 6,
- .max_signal = 6,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "uart3_rx",
- .min_signal = 7,
- .max_signal = 7,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "pcm0_tx",
- .min_signal = 8,
- .max_signal = 8,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "pcm0_rx",
- .min_signal = 9,
- .max_signal = 9,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s0_tx",
- .min_signal = 10,
- .max_signal = 10,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s0_rx",
- .min_signal = 11,
- .max_signal = 11,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "spi0_tx",
- .min_signal = 12,
- .max_signal = 12,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "spi0_rx",
- .min_signal = 13,
- .max_signal = 13,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s2_tx",
- .min_signal = 14,
- .max_signal = 14,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s2_rx",
- .min_signal = 15,
- .max_signal = 15,
- .periph_buses = PL08X_AHB2,
- }
-};
-
-static const struct dma_slave_map s3c64xx_dma0_slave_map[] = {
- { "s3c6400-uart.0", "tx", &s3c64xx_dma0_info[0] },
- { "s3c6400-uart.0", "rx", &s3c64xx_dma0_info[1] },
- { "s3c6400-uart.1", "tx", &s3c64xx_dma0_info[2] },
- { "s3c6400-uart.1", "rx", &s3c64xx_dma0_info[3] },
- { "s3c6400-uart.2", "tx", &s3c64xx_dma0_info[4] },
- { "s3c6400-uart.2", "rx", &s3c64xx_dma0_info[5] },
- { "s3c6400-uart.3", "tx", &s3c64xx_dma0_info[6] },
- { "s3c6400-uart.3", "rx", &s3c64xx_dma0_info[7] },
- { "samsung-pcm.0", "tx", &s3c64xx_dma0_info[8] },
- { "samsung-pcm.0", "rx", &s3c64xx_dma0_info[9] },
- { "samsung-i2s.0", "tx", &s3c64xx_dma0_info[10] },
- { "samsung-i2s.0", "rx", &s3c64xx_dma0_info[11] },
- { "s3c6410-spi.0", "tx", &s3c64xx_dma0_info[12] },
- { "s3c6410-spi.0", "rx", &s3c64xx_dma0_info[13] },
- { "samsung-i2s.2", "tx", &s3c64xx_dma0_info[14] },
- { "samsung-i2s.2", "rx", &s3c64xx_dma0_info[15] },
-};
-
-struct pl08x_platform_data s3c64xx_dma0_plat_data = {
- .memcpy_burst_size = PL08X_BURST_SZ_4,
- .memcpy_bus_width = PL08X_BUS_WIDTH_32_BITS,
- .memcpy_prot_buff = true,
- .memcpy_prot_cache = true,
- .lli_buses = PL08X_AHB1,
- .mem_buses = PL08X_AHB1,
- .get_xfer_signal = pl08x_get_xfer_signal,
- .put_xfer_signal = pl08x_put_xfer_signal,
- .slave_channels = s3c64xx_dma0_info,
- .num_slave_channels = ARRAY_SIZE(s3c64xx_dma0_info),
- .slave_map = s3c64xx_dma0_slave_map,
- .slave_map_len = ARRAY_SIZE(s3c64xx_dma0_slave_map),
-};
-
-static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0,
- 0x75000000, {IRQ_DMA0}, &s3c64xx_dma0_plat_data);
-
-/*
- * DMA1
- */
-
-static struct pl08x_channel_data s3c64xx_dma1_info[] = {
- {
- .bus_id = "pcm1_tx",
- .min_signal = 0,
- .max_signal = 0,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "pcm1_rx",
- .min_signal = 1,
- .max_signal = 1,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s1_tx",
- .min_signal = 2,
- .max_signal = 2,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "i2s1_rx",
- .min_signal = 3,
- .max_signal = 3,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "spi1_tx",
- .min_signal = 4,
- .max_signal = 4,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "spi1_rx",
- .min_signal = 5,
- .max_signal = 5,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "ac97_out",
- .min_signal = 6,
- .max_signal = 6,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "ac97_in",
- .min_signal = 7,
- .max_signal = 7,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "ac97_mic",
- .min_signal = 8,
- .max_signal = 8,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "pwm",
- .min_signal = 9,
- .max_signal = 9,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "irda",
- .min_signal = 10,
- .max_signal = 10,
- .periph_buses = PL08X_AHB2,
- }, {
- .bus_id = "external",
- .min_signal = 11,
- .max_signal = 11,
- .periph_buses = PL08X_AHB2,
- },
-};
-
-static const struct dma_slave_map s3c64xx_dma1_slave_map[] = {
- { "samsung-pcm.1", "tx", &s3c64xx_dma1_info[0] },
- { "samsung-pcm.1", "rx", &s3c64xx_dma1_info[1] },
- { "samsung-i2s.1", "tx", &s3c64xx_dma1_info[2] },
- { "samsung-i2s.1", "rx", &s3c64xx_dma1_info[3] },
- { "s3c6410-spi.1", "tx", &s3c64xx_dma1_info[4] },
- { "s3c6410-spi.1", "rx", &s3c64xx_dma1_info[5] },
-};
-
-struct pl08x_platform_data s3c64xx_dma1_plat_data = {
- .memcpy_burst_size = PL08X_BURST_SZ_4,
- .memcpy_bus_width = PL08X_BUS_WIDTH_32_BITS,
- .memcpy_prot_buff = true,
- .memcpy_prot_cache = true,
- .lli_buses = PL08X_AHB1,
- .mem_buses = PL08X_AHB1,
- .get_xfer_signal = pl08x_get_xfer_signal,
- .put_xfer_signal = pl08x_put_xfer_signal,
- .slave_channels = s3c64xx_dma1_info,
- .num_slave_channels = ARRAY_SIZE(s3c64xx_dma1_info),
- .slave_map = s3c64xx_dma1_slave_map,
- .slave_map_len = ARRAY_SIZE(s3c64xx_dma1_slave_map),
-};
-
-static AMBA_AHB_DEVICE(s3c64xx_dma1, "dma-pl080s.1", 0,
- 0x75100000, {IRQ_DMA1}, &s3c64xx_dma1_plat_data);
-
-static int __init s3c64xx_pl080_init(void)
-{
- if (!soc_is_s3c64xx())
- return 0;
-
- /* Set all DMA configuration to be DMA, not SDMA */
- writel(0xffffff, S3C64XX_SDMA_SEL);
-
- if (of_have_populated_dt())
- return 0;
-
- amba_device_register(&s3c64xx_dma0_device, &iomem_resource);
- amba_device_register(&s3c64xx_dma1_device, &iomem_resource);
-
- return 0;
-}
-arch_initcall(s3c64xx_pl080_init);
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