Release 4.11 arch/arm/mach-orion5x/common.c

Directory: arch/arm/mach-orion5x
/*
 * arch/arm/mach-orion5x/common.c
 *
 * Core functions for Marvell Orion 5x SoCs
 *
 * Maintainer: Tzachi Perelstein <tzachi@marvell.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.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/serial_8250.h>
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/delay.h>
#include <linux/clk-provider.h>
#include <linux/cpu.h>
#include <net/dsa.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <asm/system_misc.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <linux/platform_data/mtd-orion_nand.h>
#include <linux/platform_data/usb-ehci-orion.h>
#include <plat/time.h>
#include <plat/common.h>

#include "bridge-regs.h"
#include "common.h"
#include "orion5x.h"

/*****************************************************************************
 * I/O Address Mapping
 ****************************************************************************/

static struct map_desc orion5x_io_desc[] __initdata = {
	{
		.virtual	= (unsigned long) ORION5X_REGS_VIRT_BASE,
		.pfn		= __phys_to_pfn(ORION5X_REGS_PHYS_BASE),
		.length		= ORION5X_REGS_SIZE,
		.type		= MT_DEVICE,
        }, {
		.virtual	= (unsigned long) ORION5X_PCIE_WA_VIRT_BASE,
		.pfn		= __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE),
		.length		= ORION5X_PCIE_WA_SIZE,
		.type		= MT_DEVICE,
        },
};



void __init orion5x_map_io(void)
{
	iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc));
}


Contributors
Person Tokens Prop Commits CommitProp
Tzachi Perelstein 15 83.33% 1 50.00%
Lennert Buytenhek 3 16.67% 1 50.00%
Total 18 100.00% 2 100.00%

/*****************************************************************************
 * CLK tree
 ****************************************************************************/

static struct clk *tclk;



void __init clk_init(void)
{
	tclk = clk_register_fixed_rate(NULL, "tclk", NULL, 0, orion5x_tclk);

	orion_clkdev_init(tclk);
}

Contributors
Person Tokens Prop Commits CommitProp
Andrew Lunn 27 96.43% 2 66.67%
Stephen Boyd 1 3.57% 1 33.33%
Total 28 100.00% 3 100.00%

/*****************************************************************************
 * EHCI0
 ****************************************************************************/


void __init orion5x_ehci0_init(void)
{
	orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL,
			EHCI_PHY_ORION);
}


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Person Tokens Prop Commits CommitProp
Lennert Buytenhek 11 64.71% 1 33.33%
Andrew Lunn 6 35.29% 2 66.67%
Total 17 100.00% 3 100.00%

/*****************************************************************************
 * EHCI1
 ****************************************************************************/


void __init orion5x_ehci1_init(void)
{
	orion_ehci_1_init(ORION5X_USB1_PHYS_BASE, IRQ_ORION5X_USB1_CTRL);
}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 11 73.33% 1 50.00%
Andrew Lunn 4 26.67% 1 50.00%
Total 15 100.00% 2 100.00%

/*****************************************************************************
 * GE00
 ****************************************************************************/


void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
{
	orion_ge00_init(eth_data,
			ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM,
			IRQ_ORION5X_ETH_ERR,
			MV643XX_TX_CSUM_DEFAULT_LIMIT);
}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 14 58.33% 1 33.33%
Andrew Lunn 8 33.33% 1 33.33%
Arnaud Patard 2 8.33% 1 33.33%
Total 24 100.00% 3 100.00%

/*****************************************************************************
 * Ethernet switch
 ****************************************************************************/


void __init orion5x_eth_switch_init(struct dsa_chip_data *d)
{
	orion_ge00_switch_init(d);
}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 13 81.25% 1 33.33%
Andrew Lunn 2 12.50% 1 33.33%
Florian Fainelli 1 6.25% 1 33.33%
Total 16 100.00% 3 100.00%

/*****************************************************************************
 * I2C
 ****************************************************************************/


void __init orion5x_i2c_init(void)
{
	orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8);

}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 11 64.71% 2 66.67%
Andrew Lunn 6 35.29% 1 33.33%
Total 17 100.00% 3 100.00%

/*****************************************************************************
 * SATA
 ****************************************************************************/


void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
{
	orion_sata_init(sata_data, ORION5X_SATA_PHYS_BASE, IRQ_ORION5X_SATA);
}


Contributors
Person Tokens Prop Commits CommitProp
Tzachi Perelstein 10 50.00% 1 33.33%
Andrew Lunn 6 30.00% 1 33.33%
Lennert Buytenhek 4 20.00% 1 33.33%
Total 20 100.00% 3 100.00%

/*****************************************************************************
 * SPI
 ****************************************************************************/


void __init orion5x_spi_init(void)
{
	orion_spi_init(SPI_PHYS_BASE);
}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 8 61.54% 1 33.33%
Andrew Lunn 5 38.46% 2 66.67%
Total 13 100.00% 3 100.00%

/*****************************************************************************
 * UART0
 ****************************************************************************/


void __init orion5x_uart0_init(void)
{
	orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE,
			 IRQ_ORION5X_UART0, tclk);
}

Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 10 52.63% 1 25.00%
Andrew Lunn 8 42.11% 2 50.00%
Herbert Valerio Riedel 1 5.26% 1 25.00%
Total 19 100.00% 4 100.00%

/*****************************************************************************
 * UART1
 ****************************************************************************/


void __init orion5x_uart1_init(void)
{
	orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE,
			 IRQ_ORION5X_UART1, tclk);
}

Contributors
Person Tokens Prop Commits CommitProp
Saeed Bishara 9 47.37% 1 25.00%
Andrew Lunn 8 42.11% 2 50.00%
Lennert Buytenhek 2 10.53% 1 25.00%
Total 19 100.00% 4 100.00%

/*****************************************************************************
 * XOR engine
 ****************************************************************************/


void __init orion5x_xor_init(void)
{
	orion_xor0_init(ORION5X_XOR_PHYS_BASE,
			ORION5X_XOR_PHYS_BASE + 0x200,
			IRQ_ORION5X_XOR0, IRQ_ORION5X_XOR1);
}

Contributors
Person Tokens Prop Commits CommitProp
Saeed Bishara 14 66.67% 1 50.00%
Andrew Lunn 7 33.33% 1 50.00%
Total 21 100.00% 2 100.00%

/*****************************************************************************
 * Cryptographic Engines and Security Accelerator (CESA)
 ****************************************************************************/


static void __init orion5x_crypto_init(void)
{
	mvebu_mbus_add_window_by_id(ORION_MBUS_SRAM_TARGET,
				    ORION_MBUS_SRAM_ATTR,
				    ORION5X_SRAM_PHYS_BASE,
				    ORION5X_SRAM_SIZE);
	orion_crypto_init(ORION5X_CRYPTO_PHYS_BASE, ORION5X_SRAM_PHYS_BASE,
			  SZ_8K, IRQ_ORION5X_CESA);
}

Contributors
Person Tokens Prop Commits CommitProp
Sebastian Andrzej Siewior 10 32.26% 1 20.00%
Thomas Petazzoni 10 32.26% 2 40.00%
Andrew Lunn 10 32.26% 1 20.00%
Nico Pitre 1 3.23% 1 20.00%
Total 31 100.00% 5 100.00%

/*****************************************************************************
 * Watchdog
 ****************************************************************************/

static struct resource orion_wdt_resource[] = {
		DEFINE_RES_MEM(TIMER_PHYS_BASE, 0x04),
		DEFINE_RES_MEM(RSTOUTn_MASK_PHYS, 0x04),
};


static struct platform_device orion_wdt_device = {
	.name		= "orion_wdt",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(orion_wdt_resource),
	.resource	= orion_wdt_resource,
};



static void __init orion5x_wdt_init(void)
{
	platform_device_register(&orion_wdt_device);
}


Contributors
Person Tokens Prop Commits CommitProp
Thomas Reitmayr 9 60.00% 1 33.33%
Arnd Bergmann 5 33.33% 1 33.33%
Andrew Lunn 1 6.67% 1 33.33%
Total 15 100.00% 3 100.00%

/*****************************************************************************
 * Time handling
 ****************************************************************************/


void __init orion5x_init_early(void)
{
	u32 rev, dev;
	const char *mbus_soc_name;

	orion_time_set_base(TIMER_VIRT_BASE);

	/* Initialize the MBUS driver */
	orion5x_pcie_id(&dev, &rev);
	if (dev == MV88F5281_DEV_ID)
		mbus_soc_name = "marvell,orion5x-88f5281-mbus";
	else if (dev == MV88F5182_DEV_ID)
		mbus_soc_name = "marvell,orion5x-88f5182-mbus";
	else if (dev == MV88F5181_DEV_ID)
		mbus_soc_name = "marvell,orion5x-88f5181-mbus";
	else if (dev == MV88F6183_DEV_ID)
		mbus_soc_name = "marvell,orion5x-88f6183-mbus";
	else
		mbus_soc_name = NULL;
	mvebu_mbus_init(mbus_soc_name, ORION5X_BRIDGE_WINS_BASE,
			ORION5X_BRIDGE_WINS_SZ,
			ORION5X_DDR_WINS_BASE, ORION5X_DDR_WINS_SZ);
}

Contributors
Person Tokens Prop Commits CommitProp
Thomas Petazzoni 82 87.23% 1 50.00%
Lennert Buytenhek 12 12.77% 1 50.00%
Total 94 100.00% 2 100.00%



void orion5x_setup_wins(void)
{
	/*
         * The PCIe windows will no longer be statically allocated
         * here once Orion5x is migrated to the pci-mvebu driver.
         */
	mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCIE_IO_TARGET,
					  ORION_MBUS_PCIE_IO_ATTR,
					  ORION5X_PCIE_IO_PHYS_BASE,
					  ORION5X_PCIE_IO_SIZE,
					  ORION5X_PCIE_IO_BUS_BASE);
	mvebu_mbus_add_window_by_id(ORION_MBUS_PCIE_MEM_TARGET,
				    ORION_MBUS_PCIE_MEM_ATTR,
				    ORION5X_PCIE_MEM_PHYS_BASE,
				    ORION5X_PCIE_MEM_SIZE);
	mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCI_IO_TARGET,
					  ORION_MBUS_PCI_IO_ATTR,
					  ORION5X_PCI_IO_PHYS_BASE,
					  ORION5X_PCI_IO_SIZE,
					  ORION5X_PCI_IO_BUS_BASE);
	mvebu_mbus_add_window_by_id(ORION_MBUS_PCI_MEM_TARGET,
				    ORION_MBUS_PCI_MEM_ATTR,
				    ORION5X_PCI_MEM_PHYS_BASE,
				    ORION5X_PCI_MEM_SIZE);
}

Contributors
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Thomas Petazzoni 55 98.21% 2 66.67%
Lennert Buytenhek 1 1.79% 1 33.33%
Total 56 100.00% 3 100.00%


int orion5x_tclk;



static int __init orion5x_find_tclk(void)
{
	u32 dev, rev;

	orion5x_pcie_id(&dev, &rev);
	if (dev == MV88F6183_DEV_ID &&
	    (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0)
		return 133333333;

	return 166666667;
}

Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 45 97.83% 2 66.67%
Andrew Lunn 1 2.17% 1 33.33%
Total 46 100.00% 3 100.00%



void __init orion5x_timer_init(void)
{
	orion5x_tclk = orion5x_find_tclk();

	orion_time_init(ORION5X_BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
			IRQ_ORION5X_BRIDGE, orion5x_tclk);
}


Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 23 95.83% 4 80.00%
Andrew Lunn 1 4.17% 1 20.00%
Total 24 100.00% 5 100.00%

/*****************************************************************************
 * General
 ****************************************************************************/
/*
 * Identify device ID and rev from PCIe configuration header space '0'.
 */


void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
{
	orion5x_pcie_id(dev, rev);

	if (*dev == MV88F5281_DEV_ID) {
		if (*rev == MV88F5281_REV_D2) {
			*dev_name = "MV88F5281-D2";
		} else if (*rev == MV88F5281_REV_D1) {
			*dev_name = "MV88F5281-D1";
		} else if (*rev == MV88F5281_REV_D0) {
			*dev_name = "MV88F5281-D0";
		} else {
			*dev_name = "MV88F5281-Rev-Unsupported";
		}
	} else if (*dev == MV88F5182_DEV_ID) {
		if (*rev == MV88F5182_REV_A2) {
			*dev_name = "MV88F5182-A2";
		} else {
			*dev_name = "MV88F5182-Rev-Unsupported";
		}
	} else if (*dev == MV88F5181_DEV_ID) {
		if (*rev == MV88F5181_REV_B1) {
			*dev_name = "MV88F5181-Rev-B1";
		} else if (*rev == MV88F5181L_REV_A1) {
			*dev_name = "MV88F5181L-Rev-A1";
		} else {
			*dev_name = "MV88F5181(L)-Rev-Unsupported";
		}
	} else if (*dev == MV88F6183_DEV_ID) {
		if (*rev == MV88F6183_REV_B0) {
			*dev_name = "MV88F6183-Rev-B0";
		} else {
			*dev_name = "MV88F6183-Rev-Unsupported";
		}
	} else {
		*dev_name = "Device-Unknown";
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Tzachi Perelstein 109 52.91% 1 14.29%
Lennert Buytenhek 66 32.04% 5 71.43%
Herbert Valerio Riedel 31 15.05% 1 14.29%
Total 206 100.00% 7 100.00%



void __init orion5x_init(void)
{
	char *dev_name;
	u32 dev, rev;

	orion5x_id(&dev, &rev, &dev_name);
	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);

	/*
         * Setup Orion address map
         */
	orion5x_setup_wins();

	/* Setup root of clk tree */
	clk_init();

	/*
         * Don't issue "Wait for Interrupt" instruction if we are
         * running on D0 5281 silicon.
         */
	if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
		printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
		cpu_idle_poll_ctrl(true);
	}

	/*
         * The 5082/5181l/5182/6082/6082l/6183 have crypto
         * while 5180n/5181/5281 don't have crypto.
         */
	if ((dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0) ||
	    dev == MV88F5182_DEV_ID || dev == MV88F6183_DEV_ID)
		orion5x_crypto_init();

	/*
         * Register watchdog driver
         */
	orion5x_wdt_init();
}

Contributors
Person Tokens Prop Commits CommitProp
Tzachi Perelstein 39 39.39% 1 11.11%
Nico Pitre 24 24.24% 1 11.11%
Lennert Buytenhek 23 23.23% 3 33.33%
Thomas Reitmayr 4 4.04% 1 11.11%
Andrew Lunn 4 4.04% 1 11.11%
Thomas Gleixner 4 4.04% 1 11.11%
Thomas Petazzoni 1 1.01% 1 11.11%
Total 99 100.00% 9 100.00%



void orion5x_restart(enum reboot_mode mode, const char *cmd)
{
	/*
         * Enable and issue soft reset
         */
	orion5x_setbits(RSTOUTn_MASK, (1 << 2));
	orion5x_setbits(CPU_SOFT_RESET, 1);
	mdelay(200);
	orion5x_clrbits(CPU_SOFT_RESET, 1);
}

Contributors
Person Tokens Prop Commits CommitProp
Russell King 43 95.56% 1 50.00%
Robin Holt 2 4.44% 1 50.00%
Total 45 100.00% 2 100.00%

/*
 * Many orion-based systems have buggy bootloader implementations.
 * This is a common fixup for bogus memory tags.
 */


void __init tag_fixup_mem32(struct tag *t, char **from)
{
	for (; t->hdr.size; t = tag_next(t))
		if (t->hdr.tag == ATAG_MEM &&
		    (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
		     t->u.mem.start & ~PAGE_MASK)) {
			printk(KERN_WARNING
			       "Clearing invalid memory bank %dKB@0x%08x\n",
			       t->u.mem.size / 1024, t->u.mem.start);
			t->hdr.tag = 0;
		}
}
Contributors
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Guennadi Liakhovetski 109 100.00% 1 100.00%
Total 109 100.00% 1 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
Lennert Buytenhek 295 25.17% 15 27.27%
Tzachi Perelstein 247 21.08% 4 7.27%
Thomas Petazzoni 156 13.31% 3 5.45%
Andrew Lunn 123 10.49% 15 27.27%
Guennadi Liakhovetski 116 9.90% 1 1.82%
Arnd Bergmann 68 5.80% 3 5.45%
Russell King 46 3.92% 1 1.82%
Herbert Valerio Riedel 35 2.99% 2 3.64%
Nico Pitre 25 2.13% 1 1.82%
Saeed Bishara 24 2.05% 2 3.64%
Thomas Reitmayr 14 1.19% 1 1.82%
Sebastian Andrzej Siewior 10 0.85% 1 1.82%
Thomas Gleixner 4 0.34% 1 1.82%
David Howells 3 0.26% 1 1.82%
Arnaud Patard 2 0.17% 1 1.82%
Robin Holt 2 0.17% 1 1.82%
Florian Fainelli 1 0.09% 1 1.82%
Stephen Boyd 1 0.09% 1 1.82%
Total 1172 100.00% 55 100.00%
Directory: arch/arm/mach-orion5x

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Tzachi Perelstein	15	83.33%	1	50.00%
Lennert Buytenhek	3	16.67%	1	50.00%
Total	18	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-orion5x/common.c

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