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

/*
 * arch/arm/mach-dove/common.c
 *
 * Core functions for Marvell Dove 88AP510 System On Chip
 *
 * 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/clk-provider.h>
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_data/dma-mv_xor.h>
#include <linux/platform_data/usb-ehci-orion.h>
#include <linux/platform_device.h>
#include <linux/soc/dove/pmu.h>
#include <asm/hardware/cache-tauros2.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/bridge-regs.h>
#include <mach/pm.h>
#include <plat/common.h>
#include <plat/irq.h>
#include <plat/time.h>
#include "common.h"

/* These can go away once Dove uses the mvebu-mbus DT binding */

#define DOVE_MBUS_PCIE0_MEM_TARGET    0x4

#define DOVE_MBUS_PCIE0_MEM_ATTR      0xe8

#define DOVE_MBUS_PCIE0_IO_TARGET     0x4

#define DOVE_MBUS_PCIE0_IO_ATTR       0xe0

#define DOVE_MBUS_PCIE1_MEM_TARGET    0x8

#define DOVE_MBUS_PCIE1_MEM_ATTR      0xe8

#define DOVE_MBUS_PCIE1_IO_TARGET     0x8

#define DOVE_MBUS_PCIE1_IO_ATTR       0xe0

#define DOVE_MBUS_CESA_TARGET         0x3

#define DOVE_MBUS_CESA_ATTR           0x1

#define DOVE_MBUS_BOOTROM_TARGET      0x1

#define DOVE_MBUS_BOOTROM_ATTR        0xfd

#define DOVE_MBUS_SCRATCHPAD_TARGET   0xd

#define DOVE_MBUS_SCRATCHPAD_ATTR     0x0

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

static struct map_desc dove_io_desc[] __initdata = {
	{
		.virtual	= (unsigned long) DOVE_SB_REGS_VIRT_BASE,
		.pfn		= __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
		.length		= DOVE_SB_REGS_SIZE,
		.type		= MT_DEVICE,
        }, {
		.virtual	= (unsigned long) DOVE_NB_REGS_VIRT_BASE,
		.pfn		= __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
		.length		= DOVE_NB_REGS_SIZE,
		.type		= MT_DEVICE,
        },
};


void __init dove_map_io(void) { iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc)); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara18100.00%1100.00%
Total18100.00%1100.00%

/***************************************************************************** * CLK tree ****************************************************************************/ static int dove_tclk; static DEFINE_SPINLOCK(gating_lock); static struct clk *tclk;
static struct clk __init *dove_register_gate(const char *name, const char *parent, u8 bit_idx) { return clk_register_gate(NULL, name, parent, 0, (void __iomem *)CLOCK_GATING_CONTROL, bit_idx, 0, &gating_lock); }

Contributors

PersonTokensPropCommitsCommitProp
Sebastian Hesselbarth48100.00%1100.00%
Total48100.00%1100.00%


static void __init dove_clk_init(void) { struct clk *usb0, *usb1, *sata, *pex0, *pex1, *sdio0, *sdio1; struct clk *nand, *camera, *i2s0, *i2s1, *crypto, *ac97, *pdma; struct clk *xor0, *xor1, *ge, *gephy; tclk = clk_register_fixed_rate(NULL, "tclk", NULL, 0, dove_tclk); usb0 = dove_register_gate("usb0", "tclk", CLOCK_GATING_BIT_USB0); usb1 = dove_register_gate("usb1", "tclk", CLOCK_GATING_BIT_USB1); sata = dove_register_gate("sata", "tclk", CLOCK_GATING_BIT_SATA); pex0 = dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0); pex1 = dove_register_gate("pex1", "tclk", CLOCK_GATING_BIT_PCIE1); sdio0 = dove_register_gate("sdio0", "tclk", CLOCK_GATING_BIT_SDIO0); sdio1 = dove_register_gate("sdio1", "tclk", CLOCK_GATING_BIT_SDIO1); nand = dove_register_gate("nand", "tclk", CLOCK_GATING_BIT_NAND); camera = dove_register_gate("camera", "tclk", CLOCK_GATING_BIT_CAMERA); i2s0 = dove_register_gate("i2s0", "tclk", CLOCK_GATING_BIT_I2S0); i2s1 = dove_register_gate("i2s1", "tclk", CLOCK_GATING_BIT_I2S1); crypto = dove_register_gate("crypto", "tclk", CLOCK_GATING_BIT_CRYPTO); ac97 = dove_register_gate("ac97", "tclk", CLOCK_GATING_BIT_AC97); pdma = dove_register_gate("pdma", "tclk", CLOCK_GATING_BIT_PDMA); xor0 = dove_register_gate("xor0", "tclk", CLOCK_GATING_BIT_XOR0); xor1 = dove_register_gate("xor1", "tclk", CLOCK_GATING_BIT_XOR1); gephy = dove_register_gate("gephy", "tclk", CLOCK_GATING_BIT_GIGA_PHY); ge = dove_register_gate("ge", "gephy", CLOCK_GATING_BIT_GBE); orion_clkdev_add(NULL, "orion_spi.0", tclk); orion_clkdev_add(NULL, "orion_spi.1", tclk); orion_clkdev_add(NULL, "orion_wdt", tclk); orion_clkdev_add(NULL, "mv64xxx_i2c.0", tclk); orion_clkdev_add(NULL, "orion-ehci.0", usb0); orion_clkdev_add(NULL, "orion-ehci.1", usb1); orion_clkdev_add(NULL, "mv643xx_eth_port.0", ge); orion_clkdev_add(NULL, "sata_mv.0", sata); orion_clkdev_add("0", "pcie", pex0); orion_clkdev_add("1", "pcie", pex1); orion_clkdev_add(NULL, "sdhci-dove.0", sdio0); orion_clkdev_add(NULL, "sdhci-dove.1", sdio1); orion_clkdev_add(NULL, "orion_nand", nand); orion_clkdev_add(NULL, "cafe1000-ccic.0", camera); orion_clkdev_add(NULL, "mvebu-audio.0", i2s0); orion_clkdev_add(NULL, "mvebu-audio.1", i2s1); orion_clkdev_add(NULL, "mv_crypto", crypto); orion_clkdev_add(NULL, "dove-ac97", ac97); orion_clkdev_add(NULL, "dove-pdma", pdma); orion_clkdev_add(NULL, MV_XOR_NAME ".0", xor0); orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1); }

Contributors

PersonTokensPropCommitsCommitProp
Sebastian Hesselbarth42589.85%333.33%
Andrew Lunn377.82%222.22%
Thomas Petazzoni40.85%111.11%
Saeed Bishara40.85%111.11%
Russell King20.42%111.11%
Stephen Boyd10.21%111.11%
Total473100.00%9100.00%

/***************************************************************************** * EHCI0 ****************************************************************************/
void __init dove_ehci0_init(void) { orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1164.71%133.33%
Andrew Lunn635.29%266.67%
Total17100.00%3100.00%

/***************************************************************************** * EHCI1 ****************************************************************************/
void __init dove_ehci1_init(void) { orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1173.33%150.00%
Andrew Lunn426.67%150.00%
Total15100.00%2100.00%

/***************************************************************************** * GE00 ****************************************************************************/
void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) { orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR, 1600); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1458.33%125.00%
Andrew Lunn729.17%125.00%
Arnaud Patard28.33%125.00%
Hannes Reinecke14.17%125.00%
Total24100.00%4100.00%

/***************************************************************************** * SoC RTC ****************************************************************************/
static void __init dove_rtc_init(void) { orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn16100.00%3100.00%
Total16100.00%3100.00%

/***************************************************************************** * SATA ****************************************************************************/
void __init dove_sata_init(struct mv_sata_platform_data *sata_data) { orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn20100.00%2100.00%
Total20100.00%2100.00%

/***************************************************************************** * UART0 ****************************************************************************/
void __init dove_uart0_init(void) { orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, IRQ_DOVE_UART_0, tclk); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn19100.00%2100.00%
Total19100.00%2100.00%

/***************************************************************************** * UART1 ****************************************************************************/
void __init dove_uart1_init(void) { orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, IRQ_DOVE_UART_1, tclk); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn19100.00%2100.00%
Total19100.00%2100.00%

/***************************************************************************** * UART2 ****************************************************************************/
void __init dove_uart2_init(void) { orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, IRQ_DOVE_UART_2, tclk); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn19100.00%2100.00%
Total19100.00%2100.00%

/***************************************************************************** * UART3 ****************************************************************************/
void __init dove_uart3_init(void) { orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, IRQ_DOVE_UART_3, tclk); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1157.89%133.33%
Andrew Lunn842.11%266.67%
Total19100.00%3100.00%

/***************************************************************************** * SPI ****************************************************************************/
void __init dove_spi0_init(void) { orion_spi_init(DOVE_SPI0_PHYS_BASE); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1184.62%150.00%
Andrew Lunn215.38%150.00%
Total13100.00%2100.00%


void __init dove_spi1_init(void) { orion_spi_1_init(DOVE_SPI1_PHYS_BASE); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1184.62%133.33%
Andrew Lunn17.69%133.33%
Nico Pitre17.69%133.33%
Total13100.00%3100.00%

/***************************************************************************** * I2C ****************************************************************************/
void __init dove_i2c_init(void) { orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1164.71%150.00%
Andrew Lunn635.29%150.00%
Total17100.00%2100.00%

/***************************************************************************** * Time handling ****************************************************************************/
void __init dove_init_early(void) { orion_time_set_base(TIMER_VIRT_BASE); mvebu_mbus_init("marvell,dove-mbus", BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, DOVE_MC_WINS_BASE, DOVE_MC_WINS_SZ); }

Contributors

PersonTokensPropCommitsCommitProp
Thomas Petazzoni1350.00%150.00%
Lennert Buytenhek1350.00%150.00%
Total26100.00%2100.00%


static int __init dove_find_tclk(void) { return 166666667; }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1083.33%150.00%
Sebastian Hesselbarth216.67%150.00%
Total12100.00%2100.00%


void __init dove_timer_init(void) { dove_tclk = dove_find_tclk(); orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, IRQ_DOVE_BRIDGE, dove_tclk); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara1354.17%125.00%
Sebastian Hesselbarth625.00%125.00%
Lennert Buytenhek416.67%125.00%
Andrew Lunn14.17%125.00%
Total24100.00%4100.00%

/***************************************************************************** * XOR 0 ****************************************************************************/
static void __init dove_xor0_init(void) { orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE, IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn1575.00%266.67%
Saeed Bishara525.00%133.33%
Total20100.00%3100.00%

/***************************************************************************** * XOR 1 ****************************************************************************/
static void __init dove_xor1_init(void) { orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE, IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11); }

Contributors

PersonTokensPropCommitsCommitProp
Andrew Lunn1155.00%266.67%
Saeed Bishara945.00%133.33%
Total20100.00%3100.00%

/***************************************************************************** * SDIO ****************************************************************************/ static u64 sdio_dmamask = DMA_BIT_MASK(32); static struct resource dove_sdio0_resources[] = { { .start = DOVE_SDIO0_PHYS_BASE, .end = DOVE_SDIO0_PHYS_BASE + 0xff, .flags = IORESOURCE_MEM, }, { .start = IRQ_DOVE_SDIO0, .end = IRQ_DOVE_SDIO0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device dove_sdio0 = { .name = "sdhci-dove", .id = 0, .dev = { .dma_mask = &sdio_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = dove_sdio0_resources, .num_resources = ARRAY_SIZE(dove_sdio0_resources), };
void __init dove_sdio0_init(void) { platform_device_register(&dove_sdio0); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara14100.00%1100.00%
Total14100.00%1100.00%

static struct resource dove_sdio1_resources[] = { { .start = DOVE_SDIO1_PHYS_BASE, .end = DOVE_SDIO1_PHYS_BASE + 0xff, .flags = IORESOURCE_MEM, }, { .start = IRQ_DOVE_SDIO1, .end = IRQ_DOVE_SDIO1, .flags = IORESOURCE_IRQ, }, }; static struct platform_device dove_sdio1 = { .name = "sdhci-dove", .id = 1, .dev = { .dma_mask = &sdio_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = dove_sdio1_resources, .num_resources = ARRAY_SIZE(dove_sdio1_resources), };
void __init dove_sdio1_init(void) { platform_device_register(&dove_sdio1); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara14100.00%1100.00%
Total14100.00%1100.00%


void __init dove_setup_cpu_wins(void) { /* * The PCIe windows will no longer be statically allocated * here once Dove is migrated to the pci-mvebu driver. The * non-PCIe windows will no longer be created here once Dove * fully moves to DT. */ mvebu_mbus_add_window_remap_by_id(DOVE_MBUS_PCIE0_IO_TARGET, DOVE_MBUS_PCIE0_IO_ATTR, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE, DOVE_PCIE0_IO_BUS_BASE); mvebu_mbus_add_window_remap_by_id(DOVE_MBUS_PCIE1_IO_TARGET, DOVE_MBUS_PCIE1_IO_ATTR, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE, DOVE_PCIE1_IO_BUS_BASE); mvebu_mbus_add_window_by_id(DOVE_MBUS_PCIE0_MEM_TARGET, DOVE_MBUS_PCIE0_MEM_ATTR, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE); mvebu_mbus_add_window_by_id(DOVE_MBUS_PCIE1_MEM_TARGET, DOVE_MBUS_PCIE1_MEM_ATTR, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE); mvebu_mbus_add_window_by_id(DOVE_MBUS_CESA_TARGET, DOVE_MBUS_CESA_ATTR, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE); mvebu_mbus_add_window_by_id(DOVE_MBUS_BOOTROM_TARGET, DOVE_MBUS_BOOTROM_ATTR, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE); mvebu_mbus_add_window_by_id(DOVE_MBUS_SCRATCHPAD_TARGET, DOVE_MBUS_SCRATCHPAD_ATTR, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE); }

Contributors

PersonTokensPropCommitsCommitProp
Thomas Petazzoni90100.00%2100.00%
Total90100.00%2100.00%

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 __maybe_unused orion_wdt_init(void) { platform_device_register(&orion_wdt_device); }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann16100.00%1100.00%
Total16100.00%1100.00%

static const struct dove_pmu_domain_initdata pmu_domains[] __initconst = { { .pwr_mask = PMU_PWR_VPU_PWR_DWN_MASK, .rst_mask = PMU_SW_RST_VIDEO_MASK, .iso_mask = PMU_ISO_VIDEO_MASK, .name = "vpu-domain", }, { .pwr_mask = PMU_PWR_GPU_PWR_DWN_MASK, .rst_mask = PMU_SW_RST_GPU_MASK, .iso_mask = PMU_ISO_GPU_MASK, .name = "gpu-domain", }, { /* sentinel */ }, }; static const struct dove_pmu_initdata pmu_data __initconst = { .pmc_base = DOVE_PMU_VIRT_BASE, .pmu_base = DOVE_PMU_VIRT_BASE + 0x8000, .irq = IRQ_DOVE_PMU, .irq_domain_start = IRQ_DOVE_PMU_START, .domains = pmu_domains, };
void __init dove_init(void) { pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n", (dove_tclk + 499999) / 1000000); #ifdef CONFIG_CACHE_TAUROS2 tauros2_init(0); #endif dove_setup_cpu_wins(); /* Setup root of clk tree */ dove_clk_init(); /* internal devices that every board has */ dove_init_pmu_legacy(&pmu_data); dove_rtc_init(); dove_xor0_init(); dove_xor1_init(); }

Contributors

PersonTokensPropCommitsCommitProp
Saeed Bishara3055.56%114.29%
Lennert Buytenhek712.96%114.29%
Russell King611.11%114.29%
Sebastian Hesselbarth47.41%114.29%
Andrew Lunn35.56%114.29%
Chao Xie35.56%114.29%
Thomas Petazzoni11.85%114.29%
Total54100.00%7100.00%


void dove_restart(enum reboot_mode mode, const char *cmd) { /* * Enable soft reset to assert RSTOUTn. */ writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK); /* * Assert soft reset. */ writel(SOFT_RESET, SYSTEM_SOFT_RESET); while (1) ; }

Contributors

PersonTokensPropCommitsCommitProp
Russell King3394.29%150.00%
Robin Holt25.71%150.00%
Total35100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Sebastian Hesselbarth51731.68%615.00%
Saeed Bishara47929.35%25.00%
Andrew Lunn21513.17%1537.50%
Thomas Petazzoni17510.72%410.00%
Russell King1388.46%37.50%
Arnd Bergmann694.23%12.50%
Lennert Buytenhek271.65%25.00%
Chao Xie30.18%12.50%
Arnaud Patard20.12%12.50%
Mike Rapoport20.12%12.50%
Robin Holt20.12%12.50%
Stephen Boyd10.06%12.50%
Hannes Reinecke10.06%12.50%
Nico Pitre10.06%12.50%
Total1632100.00%40100.00%
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