mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
49f175b9fe
With DT support for Marvell XOR DMA engine, make use of it on Dove. Also remove the now redundant code in DT board init for xor engines. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
463 lines
13 KiB
C
463 lines
13 KiB
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/kernel.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/clk/mvebu.h>
|
|
#include <linux/ata_platform.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_platform.h>
|
|
#include <asm/page.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/timex.h>
|
|
#include <asm/hardware/cache-tauros2.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/mach/pci.h>
|
|
#include <mach/dove.h>
|
|
#include <mach/pm.h>
|
|
#include <mach/bridge-regs.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <linux/irq.h>
|
|
#include <plat/time.h>
|
|
#include <linux/platform_data/usb-ehci-orion.h>
|
|
#include <linux/platform_data/dma-mv_xor.h>
|
|
#include <plat/irq.h>
|
|
#include <plat/common.h>
|
|
#include <plat/addr-map.h>
|
|
#include "common.h"
|
|
|
|
/*****************************************************************************
|
|
* 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));
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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);
|
|
}
|
|
|
|
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, CLK_IS_ROOT,
|
|
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, "kirkwood-i2s.0", i2s0);
|
|
orion_clkdev_add(NULL, "kirkwood-i2s.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);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* EHCI0
|
|
****************************************************************************/
|
|
void __init dove_ehci0_init(void)
|
|
{
|
|
orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* EHCI1
|
|
****************************************************************************/
|
|
void __init dove_ehci1_init(void)
|
|
{
|
|
orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SoC RTC
|
|
****************************************************************************/
|
|
void __init dove_rtc_init(void)
|
|
{
|
|
orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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);
|
|
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* UART0
|
|
****************************************************************************/
|
|
void __init dove_uart0_init(void)
|
|
{
|
|
orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
|
|
IRQ_DOVE_UART_0, tclk);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* UART1
|
|
****************************************************************************/
|
|
void __init dove_uart1_init(void)
|
|
{
|
|
orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
|
|
IRQ_DOVE_UART_1, tclk);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* UART2
|
|
****************************************************************************/
|
|
void __init dove_uart2_init(void)
|
|
{
|
|
orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
|
|
IRQ_DOVE_UART_2, tclk);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* UART3
|
|
****************************************************************************/
|
|
void __init dove_uart3_init(void)
|
|
{
|
|
orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
|
|
IRQ_DOVE_UART_3, tclk);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SPI
|
|
****************************************************************************/
|
|
void __init dove_spi0_init(void)
|
|
{
|
|
orion_spi_init(DOVE_SPI0_PHYS_BASE);
|
|
}
|
|
|
|
void __init dove_spi1_init(void)
|
|
{
|
|
orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* I2C
|
|
****************************************************************************/
|
|
void __init dove_i2c_init(void)
|
|
{
|
|
orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Time handling
|
|
****************************************************************************/
|
|
void __init dove_init_early(void)
|
|
{
|
|
orion_time_set_base(TIMER_VIRT_BASE);
|
|
}
|
|
|
|
static int __init dove_find_tclk(void)
|
|
{
|
|
return 166666667;
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
struct sys_timer dove_timer = {
|
|
.init = dove_timer_init,
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* Cryptographic Engines and Security Accelerator (CESA)
|
|
****************************************************************************/
|
|
void __init dove_crypto_init(void)
|
|
{
|
|
orion_crypto_init(DOVE_CRYPT_PHYS_BASE, DOVE_CESA_PHYS_BASE,
|
|
DOVE_CESA_SIZE, IRQ_DOVE_CRYPTO);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* XOR 0
|
|
****************************************************************************/
|
|
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);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* XOR 1
|
|
****************************************************************************/
|
|
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);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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_mbus();
|
|
|
|
/* Setup root of clk tree */
|
|
dove_clk_init();
|
|
|
|
/* internal devices that every board has */
|
|
dove_rtc_init();
|
|
dove_xor0_init();
|
|
dove_xor1_init();
|
|
}
|
|
|
|
void dove_restart(char 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)
|
|
;
|
|
}
|
|
|
|
#if defined(CONFIG_MACH_DOVE_DT)
|
|
/*
|
|
* There are still devices that doesn't even know about DT,
|
|
* get clock gates here and add a clock lookup.
|
|
*/
|
|
static void __init dove_legacy_clk_init(void)
|
|
{
|
|
struct device_node *np = of_find_compatible_node(NULL, NULL,
|
|
"marvell,dove-gating-clock");
|
|
struct of_phandle_args clkspec;
|
|
|
|
clkspec.np = np;
|
|
clkspec.args_count = 1;
|
|
|
|
clkspec.args[0] = CLOCK_GATING_BIT_USB0;
|
|
orion_clkdev_add(NULL, "orion-ehci.0",
|
|
of_clk_get_from_provider(&clkspec));
|
|
|
|
clkspec.args[0] = CLOCK_GATING_BIT_USB1;
|
|
orion_clkdev_add(NULL, "orion-ehci.1",
|
|
of_clk_get_from_provider(&clkspec));
|
|
|
|
clkspec.args[0] = CLOCK_GATING_BIT_GBE;
|
|
orion_clkdev_add(NULL, "mv643xx_eth_port.0",
|
|
of_clk_get_from_provider(&clkspec));
|
|
|
|
clkspec.args[0] = CLOCK_GATING_BIT_PCIE0;
|
|
orion_clkdev_add("0", "pcie",
|
|
of_clk_get_from_provider(&clkspec));
|
|
|
|
clkspec.args[0] = CLOCK_GATING_BIT_PCIE1;
|
|
orion_clkdev_add("1", "pcie",
|
|
of_clk_get_from_provider(&clkspec));
|
|
}
|
|
|
|
static void __init dove_of_clk_init(void)
|
|
{
|
|
mvebu_clocks_init();
|
|
dove_legacy_clk_init();
|
|
}
|
|
|
|
static struct mv643xx_eth_platform_data dove_dt_ge00_data = {
|
|
.phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT,
|
|
};
|
|
|
|
static void __init dove_dt_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_mbus();
|
|
|
|
/* Setup root of clk tree */
|
|
dove_of_clk_init();
|
|
|
|
/* Internal devices not ported to DT yet */
|
|
dove_rtc_init();
|
|
|
|
dove_ge00_init(&dove_dt_ge00_data);
|
|
dove_ehci0_init();
|
|
dove_ehci1_init();
|
|
dove_pcie_init(1, 1);
|
|
|
|
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
|
|
}
|
|
|
|
static const char * const dove_dt_board_compat[] = {
|
|
"marvell,dove",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
|
|
.map_io = dove_map_io,
|
|
.init_early = dove_init_early,
|
|
.init_irq = orion_dt_init_irq,
|
|
.timer = &dove_timer,
|
|
.init_machine = dove_dt_init,
|
|
.restart = dove_restart,
|
|
.dt_compat = dove_dt_board_compat,
|
|
MACHINE_END
|
|
#endif
|