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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 09:38:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 09:38:16 -0700
commit99c6bcf46d2233d33e441834e958ed0bc22b190a (patch)
tree25abf5e856bc0f08d75e623715eb5acc4d4de2b2 /arch/arm/mach-spear/spear320.c
parent97b1007a2924aaa9126398623f6755a8c3c6a616 (diff)
parent2fdfe1c26fb9f24cfdf124384abb35396ca2cd3f (diff)
downloadblackbird-op-linux-99c6bcf46d2233d33e441834e958ed0bc22b190a.tar.gz
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Merge tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform updates from Olof Johansson: "More multiplatform enablement for ARM platforms. The ones converted in this branch are: - bcm2835 - cns3xxx - sirf - nomadik - msx - spear - tegra - ux500 We're getting close to having most of them converted! One of the larger platforms remaining is Samsung Exynos, and there are a bunch of supporting patches in this merge window for it. There was a patch in this branch to a early version of multiplatform conversion, but it ended up being reverted due to need of more bake time. The revert commit is part of the branch since it would have required rebasing multiple dependent branches and they were stable by then" * tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (70 commits) mmc: sdhci-s3c: Fix operation on non-single image Samsung platforms clocksource: nomadik-mtu: fix up clocksource/timer Revert "ARM: exynos: enable multiplatform support" ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ" ARM: exynos: enable multiplatform support rtc: s3c: make header file local mtd: onenand/samsung: make regs-onenand.h file local thermal/exynos: remove unnecessary header inclusions mmc: sdhci-s3c: remove platform dependencies ARM: samsung: move mfc device definition to s5p-dev-mfc.c ARM: exynos: move debug-macro.S to include/debug/ ARM: exynos: prepare for sparse IRQ ARM: exynos: introduce EXYNOS_ATAGS symbol ARM: tegra: build assembly files with -march=armv7-a ARM: Push selects for TWD/SCU into machine entries ARM: ux500: build hotplug.o for ARMv7-a ARM: ux500: move to multiplatform ARM: ux500: make remaining headers local ARM: ux500: make irqs.h local to platform ARM: ux500: get rid of <mach/[hardware|db8500-regs].h> ...
Diffstat (limited to 'arch/arm/mach-spear/spear320.c')
-rw-r--r--arch/arm/mach-spear/spear320.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/spear320.c b/arch/arm/mach-spear/spear320.c
new file mode 100644
index 000000000000..6eb3eec65f96
--- /dev/null
+++ b/arch/arm/mach-spear/spear320.c
@@ -0,0 +1,277 @@
+/*
+ * 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/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include "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)
+
+/* 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,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c0_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c0_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .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", SPEAR_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)
+{
+ 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);
+}
+
+static const char * const spear320_dt_board_compat[] = {
+ "st,spear320",
+ "st,spear320-evb",
+ "st,spear320-hmi",
+ NULL,
+};
+
+struct map_desc spear320_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)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 = irqchip_init,
+ .init_time = spear3xx_timer_init,
+ .init_machine = spear320_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear320_dt_board_compat,
+MACHINE_END
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