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-rw-r--r--arch/arm/mach-mv78xx0/Kconfig36
-rw-r--r--arch/arm/mach-mv78xx0/Makefile7
-rw-r--r--arch/arm/mach-mv78xx0/bridge-regs.h31
-rw-r--r--arch/arm/mach-mv78xx0/buffalo-wxl-setup.c153
-rw-r--r--arch/arm/mach-mv78xx0/common.c421
-rw-r--r--arch/arm/mach-mv78xx0/common.h52
-rw-r--r--arch/arm/mach-mv78xx0/db78x00-bp-setup.c101
-rw-r--r--arch/arm/mach-mv78xx0/irq.c69
-rw-r--r--arch/arm/mach-mv78xx0/irqs.h87
-rw-r--r--arch/arm/mach-mv78xx0/mpp.c34
-rw-r--r--arch/arm/mach-mv78xx0/mpp.h337
-rw-r--r--arch/arm/mach-mv78xx0/mv78xx0.h124
-rw-r--r--arch/arm/mach-mv78xx0/pcie.c280
-rw-r--r--arch/arm/mach-mv78xx0/rd78x00-masa-setup.c86
14 files changed, 1818 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/Kconfig b/arch/arm/mach-mv78xx0/Kconfig
new file mode 100644
index 000000000..da92f9449
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Kconfig
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menuconfig ARCH_MV78XX0
+ bool "Marvell MV78xx0"
+ depends on ARCH_MULTI_V5
+ depends on CPU_LITTLE_ENDIAN
+ depends on ATAGS && UNUSED_BOARD_FILES
+ select CPU_FEROCEON
+ select GPIOLIB
+ select MVEBU_MBUS
+ select FORCE_PCI
+ select PLAT_ORION_LEGACY
+ help
+ Support for the following Marvell MV78xx0 series SoCs:
+ MV781x0, MV782x0.
+
+if ARCH_MV78XX0
+
+config MACH_DB78X00_BP
+ bool "Marvell DB-78x00-BP Development Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell DB-78x00-BP Development Board.
+
+config MACH_RD78X00_MASA
+ bool "Marvell RD-78x00-mASA Reference Design"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell RD-78x00-mASA Reference Design.
+
+config MACH_TERASTATION_WXL
+ bool "Buffalo WLX (Terastation Duo) NAS"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Buffalo WXL Nas.
+
+endif
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
new file mode 100644
index 000000000..50aff7006
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+ccflags-y := -I$(srctree)/arch/arm/plat-orion/include
+
+obj-y += common.o mpp.o irq.o pcie.o
+obj-$(CONFIG_MACH_DB78X00_BP) += db78x00-bp-setup.o
+obj-$(CONFIG_MACH_RD78X00_MASA) += rd78x00-masa-setup.o
+obj-$(CONFIG_MACH_TERASTATION_WXL) += buffalo-wxl-setup.o
diff --git a/arch/arm/mach-mv78xx0/bridge-regs.h b/arch/arm/mach-mv78xx0/bridge-regs.h
new file mode 100644
index 000000000..d57ac967c
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/bridge-regs.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ASM_ARCH_BRIDGE_REGS_H
+#define __ASM_ARCH_BRIDGE_REGS_H
+
+#include "mv78xx0.h"
+
+#define CPU_CONTROL (BRIDGE_VIRT_BASE + 0x0104)
+#define L2_WRITETHROUGH 0x00020000
+
+#define RSTOUTn_MASK (BRIDGE_VIRT_BASE + 0x0108)
+#define RSTOUTn_MASK_PHYS (BRIDGE_PHYS_BASE + 0x0108)
+#define SOFT_RESET_OUT_EN 0x00000004
+
+#define SYSTEM_SOFT_RESET (BRIDGE_VIRT_BASE + 0x010c)
+#define SOFT_RESET 0x00000001
+
+#define BRIDGE_INT_TIMER1_CLR (~0x0004)
+
+#define IRQ_VIRT_BASE (BRIDGE_VIRT_BASE + 0x0200)
+#define IRQ_CAUSE_ERR_OFF 0x0000
+#define IRQ_CAUSE_LOW_OFF 0x0004
+#define IRQ_CAUSE_HIGH_OFF 0x0008
+#define IRQ_MASK_ERR_OFF 0x000c
+#define IRQ_MASK_LOW_OFF 0x0010
+#define IRQ_MASK_HIGH_OFF 0x0014
+
+#define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE + 0x0300)
+#define TIMER_PHYS_BASE (BRIDGE_PHYS_BASE + 0x0300)
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
new file mode 100644
index 000000000..9aa765d4c
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
+ *
+ * Buffalo WXL (Terastation Duo) Setup routines
+ *
+ * sebastien requiem <sebastien@requiem.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "mv78xx0.h"
+#include "common.h"
+#include "mpp.h"
+
+
+/* This arch has 2 Giga Ethernet */
+
+static struct mv643xx_eth_platform_data db78x00_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge01_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+
+/* 2 SATA controller supporting HotPlug */
+
+static struct mv_sata_platform_data db78x00_sata_data = {
+ .n_ports = 2,
+};
+
+static struct i2c_board_info __initdata db78x00_i2c_rtc = {
+ I2C_BOARD_INFO("ds1338", 0x68),
+};
+
+
+static unsigned int wxl_mpp_config[] __initdata = {
+ MPP0_GE1_TXCLK,
+ MPP1_GE1_TXCTL,
+ MPP2_GE1_RXCTL,
+ MPP3_GE1_RXCLK,
+ MPP4_GE1_TXD0,
+ MPP5_GE1_TXD1,
+ MPP6_GE1_TXD2,
+ MPP7_GE1_TXD3,
+ MPP8_GE1_RXD0,
+ MPP9_GE1_RXD1,
+ MPP10_GE1_RXD2,
+ MPP11_GE1_RXD3,
+ MPP12_GPIO,
+ MPP13_SYSRST_OUTn,
+ MPP14_SATA1_ACTn,
+ MPP15_SATA0_ACTn,
+ MPP16_GPIO,
+ MPP17_GPIO,
+ MPP18_GPIO,
+ MPP19_GPIO,
+ MPP20_GPIO,
+ MPP21_GPIO,
+ MPP22_GPIO,
+ MPP23_GPIO,
+ MPP24_UA2_TXD,
+ MPP25_UA2_RXD,
+ MPP26_UA2_CTSn,
+ MPP27_UA2_RTSn,
+ MPP28_GPIO,
+ MPP29_SYSRST_OUTn,
+ MPP30_GPIO,
+ MPP31_GPIO,
+ MPP32_GPIO,
+ MPP33_GPIO,
+ MPP34_GPIO,
+ MPP35_GPIO,
+ MPP36_GPIO,
+ MPP37_GPIO,
+ MPP38_GPIO,
+ MPP39_GPIO,
+ MPP40_UNUSED,
+ MPP41_UNUSED,
+ MPP42_UNUSED,
+ MPP43_UNUSED,
+ MPP44_UNUSED,
+ MPP45_UNUSED,
+ MPP46_UNUSED,
+ MPP47_UNUSED,
+ MPP48_SATA1_ACTn,
+ MPP49_SATA0_ACTn,
+ 0
+};
+
+
+static void __init wxl_init(void)
+{
+ /*
+ * Basic MV78xx0 setup. Needs to be called early.
+ */
+ mv78xx0_init();
+ mv78xx0_mpp_conf(wxl_mpp_config);
+
+ /*
+ * Partition on-chip peripherals between the two CPU cores.
+ */
+ mv78xx0_ehci0_init();
+ mv78xx0_ehci1_init();
+ mv78xx0_ehci2_init();
+ mv78xx0_ge00_init(&db78x00_ge00_data);
+ mv78xx0_ge01_init(&db78x00_ge01_data);
+ mv78xx0_sata_init(&db78x00_sata_data);
+ mv78xx0_uart0_init();
+ mv78xx0_uart1_init();
+ mv78xx0_uart2_init();
+ mv78xx0_uart3_init();
+ mv78xx0_i2c_init();
+ i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
+}
+
+static int __init wxl_pci_init(void)
+{
+ if (machine_is_terastation_wxl()) {
+ /*
+ * Assign the x16 PCIe slot on the board to CPU core
+ * #0, and let CPU core #1 have the four x1 slots.
+ */
+ if (mv78xx0_core_index() == 0)
+ mv78xx0_pcie_init(0, 1);
+ else
+ mv78xx0_pcie_init(1, 0);
+ }
+
+ return 0;
+}
+subsys_initcall(wxl_pci_init);
+
+MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
+ /* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
+ .atag_offset = 0x100,
+ .nr_irqs = MV78XX0_NR_IRQS,
+ .init_machine = wxl_init,
+ .map_io = mv78xx0_map_io,
+ .init_early = mv78xx0_init_early,
+ .init_irq = mv78xx0_init_irq,
+ .init_time = mv78xx0_timer_init,
+ .restart = mv78xx0_restart,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
new file mode 100644
index 000000000..461a68945
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -0,0 +1,421 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78xx0/common.c
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/ata_platform.h>
+#include <linux/clk-provider.h>
+#include <linux/ethtool.h>
+#include <asm/hardware/cache-feroceon-l2.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <linux/platform_data/usb-ehci-orion.h>
+#include <linux/platform_data/mtd-orion_nand.h>
+#include <plat/time.h>
+#include <plat/common.h>
+#include <plat/addr-map.h>
+#include "mv78xx0.h"
+#include "bridge-regs.h"
+#include "common.h"
+
+static int get_tclk(void);
+
+/*****************************************************************************
+ * Common bits
+ ****************************************************************************/
+int mv78xx0_core_index(void)
+{
+ u32 extra;
+
+ /*
+ * Read Extra Features register.
+ */
+ __asm__("mrc p15, 1, %0, c15, c1, 0" : "=r" (extra));
+
+ return !!(extra & 0x00004000);
+}
+
+static int get_hclk(void)
+{
+ int hclk;
+
+ /*
+ * HCLK tick rate is configured by DEV_D[7:5] pins.
+ */
+ switch ((readl(SAMPLE_AT_RESET_LOW) >> 5) & 7) {
+ case 0:
+ hclk = 166666667;
+ break;
+ case 1:
+ hclk = 200000000;
+ break;
+ case 2:
+ hclk = 266666667;
+ break;
+ case 3:
+ hclk = 333333333;
+ break;
+ case 4:
+ hclk = 400000000;
+ break;
+ default:
+ panic("unknown HCLK PLL setting: %.8x\n",
+ readl(SAMPLE_AT_RESET_LOW));
+ }
+
+ return hclk;
+}
+
+static void get_pclk_l2clk(int hclk, int core_index, int *pclk, int *l2clk)
+{
+ u32 cfg;
+
+ /*
+ * Core #0 PCLK/L2CLK is configured by bits [13:8], core #1
+ * PCLK/L2CLK by bits [19:14].
+ */
+ if (core_index == 0) {
+ cfg = (readl(SAMPLE_AT_RESET_LOW) >> 8) & 0x3f;
+ } else {
+ cfg = (readl(SAMPLE_AT_RESET_LOW) >> 14) & 0x3f;
+ }
+
+ /*
+ * Bits [11:8] ([17:14] for core #1) configure the PCLK:HCLK
+ * ratio (1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6).
+ */
+ *pclk = ((u64)hclk * (2 + (cfg & 0xf))) >> 1;
+
+ /*
+ * Bits [13:12] ([19:18] for core #1) configure the PCLK:L2CLK
+ * ratio (1, 2, 3).
+ */
+ *l2clk = *pclk / (((cfg >> 4) & 3) + 1);
+}
+
+static int get_tclk(void)
+{
+ int tclk_freq;
+
+ /*
+ * TCLK tick rate is configured by DEV_A[2:0] strap pins.
+ */
+ switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) {
+ case 1:
+ tclk_freq = 166666667;
+ break;
+ case 3:
+ tclk_freq = 200000000;
+ break;
+ default:
+ panic("unknown TCLK PLL setting: %.8x\n",
+ readl(SAMPLE_AT_RESET_HIGH));
+ }
+
+ return tclk_freq;
+}
+
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc mv78xx0_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long) MV78XX0_CORE_REGS_VIRT_BASE,
+ .pfn = 0,
+ .length = MV78XX0_CORE_REGS_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long) MV78XX0_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(MV78XX0_REGS_PHYS_BASE),
+ .length = MV78XX0_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init mv78xx0_map_io(void)
+{
+ unsigned long phys;
+
+ /*
+ * Map the right set of per-core registers depending on
+ * which core we are running on.
+ */
+ if (mv78xx0_core_index() == 0) {
+ phys = MV78XX0_CORE0_REGS_PHYS_BASE;
+ } else {
+ phys = MV78XX0_CORE1_REGS_PHYS_BASE;
+ }
+ mv78xx0_io_desc[0].pfn = __phys_to_pfn(phys);
+
+ iotable_init(mv78xx0_io_desc, ARRAY_SIZE(mv78xx0_io_desc));
+}
+
+
+/*****************************************************************************
+ * CLK tree
+ ****************************************************************************/
+static struct clk *tclk;
+
+static void __init clk_init(void)
+{
+ tclk = clk_register_fixed_rate(NULL, "tclk", NULL, 0, get_tclk());
+
+ orion_clkdev_init(tclk);
+}
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+void __init mv78xx0_ehci0_init(void)
+{
+ orion_ehci_init(USB0_PHYS_BASE, IRQ_MV78XX0_USB_0, EHCI_PHY_NA);
+}
+
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+void __init mv78xx0_ehci1_init(void)
+{
+ orion_ehci_1_init(USB1_PHYS_BASE, IRQ_MV78XX0_USB_1);
+}
+
+
+/*****************************************************************************
+ * EHCI2
+ ****************************************************************************/
+void __init mv78xx0_ehci2_init(void)
+{
+ orion_ehci_2_init(USB2_PHYS_BASE, IRQ_MV78XX0_USB_2);
+}
+
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ orion_ge00_init(eth_data,
+ GE00_PHYS_BASE, IRQ_MV78XX0_GE00_SUM,
+ IRQ_MV78XX0_GE_ERR,
+ MV643XX_TX_CSUM_DEFAULT_LIMIT);
+}
+
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ orion_ge01_init(eth_data,
+ GE01_PHYS_BASE, IRQ_MV78XX0_GE01_SUM,
+ MV643XX_TX_CSUM_DEFAULT_LIMIT);
+}
+
+
+/*****************************************************************************
+ * GE10
+ ****************************************************************************/
+void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ u32 dev, rev;
+
+ /*
+ * On the Z0, ge10 and ge11 are internally connected back
+ * to back, and not brought out.
+ */
+ mv78xx0_pcie_id(&dev, &rev);
+ if (dev == MV78X00_Z0_DEV_ID) {
+ eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
+ eth_data->speed = SPEED_1000;
+ eth_data->duplex = DUPLEX_FULL;
+ }
+
+ orion_ge10_init(eth_data, GE10_PHYS_BASE, IRQ_MV78XX0_GE10_SUM);
+}
+
+
+/*****************************************************************************
+ * GE11
+ ****************************************************************************/
+void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ u32 dev, rev;
+
+ /*
+ * On the Z0, ge10 and ge11 are internally connected back
+ * to back, and not brought out.
+ */
+ mv78xx0_pcie_id(&dev, &rev);
+ if (dev == MV78X00_Z0_DEV_ID) {
+ eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
+ eth_data->speed = SPEED_1000;
+ eth_data->duplex = DUPLEX_FULL;
+ }
+
+ orion_ge11_init(eth_data, GE11_PHYS_BASE, IRQ_MV78XX0_GE11_SUM);
+}
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+void __init mv78xx0_i2c_init(void)
+{
+ orion_i2c_init(I2C_0_PHYS_BASE, IRQ_MV78XX0_I2C_0, 8);
+ orion_i2c_1_init(I2C_1_PHYS_BASE, IRQ_MV78XX0_I2C_1, 8);
+}
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data)
+{
+ orion_sata_init(sata_data, SATA_PHYS_BASE, IRQ_MV78XX0_SATA);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+void __init mv78xx0_uart0_init(void)
+{
+ orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE,
+ IRQ_MV78XX0_UART_0, tclk);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+void __init mv78xx0_uart1_init(void)
+{
+ orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE,
+ IRQ_MV78XX0_UART_1, tclk);
+}
+
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+void __init mv78xx0_uart2_init(void)
+{
+ orion_uart2_init(UART2_VIRT_BASE, UART2_PHYS_BASE,
+ IRQ_MV78XX0_UART_2, tclk);
+}
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+void __init mv78xx0_uart3_init(void)
+{
+ orion_uart3_init(UART3_VIRT_BASE, UART3_PHYS_BASE,
+ IRQ_MV78XX0_UART_3, tclk);
+}
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+void __init mv78xx0_init_early(void)
+{
+ orion_time_set_base(TIMER_VIRT_BASE);
+ if (mv78xx0_core_index() == 0)
+ mvebu_mbus_init("marvell,mv78xx0-mbus",
+ BRIDGE_WINS_CPU0_BASE, BRIDGE_WINS_SZ,
+ DDR_WINDOW_CPU0_BASE, DDR_WINDOW_CPU_SZ);
+ else
+ mvebu_mbus_init("marvell,mv78xx0-mbus",
+ BRIDGE_WINS_CPU1_BASE, BRIDGE_WINS_SZ,
+ DDR_WINDOW_CPU1_BASE, DDR_WINDOW_CPU_SZ);
+}
+
+void __ref mv78xx0_timer_init(void)
+{
+ orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
+ IRQ_MV78XX0_TIMER_1, get_tclk());
+}
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+static char * __init mv78xx0_id(void)
+{
+ u32 dev, rev;
+
+ mv78xx0_pcie_id(&dev, &rev);
+
+ if (dev == MV78X00_Z0_DEV_ID) {
+ if (rev == MV78X00_REV_Z0)
+ return "MV78X00-Z0";
+ else
+ return "MV78X00-Rev-Unsupported";
+ } else if (dev == MV78100_DEV_ID) {
+ if (rev == MV78100_REV_A0)
+ return "MV78100-A0";
+ else if (rev == MV78100_REV_A1)
+ return "MV78100-A1";
+ else
+ return "MV78100-Rev-Unsupported";
+ } else if (dev == MV78200_DEV_ID) {
+ if (rev == MV78100_REV_A0)
+ return "MV78200-A0";
+ else
+ return "MV78200-Rev-Unsupported";
+ } else {
+ return "Device-Unknown";
+ }
+}
+
+static int __init is_l2_writethrough(void)
+{
+ return !!(readl(CPU_CONTROL) & L2_WRITETHROUGH);
+}
+
+void __init mv78xx0_init(void)
+{
+ int core_index;
+ int hclk;
+ int pclk;
+ int l2clk;
+
+ core_index = mv78xx0_core_index();
+ hclk = get_hclk();
+ get_pclk_l2clk(hclk, core_index, &pclk, &l2clk);
+
+ printk(KERN_INFO "%s ", mv78xx0_id());
+ printk("core #%d, ", core_index);
+ printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000);
+ printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000);
+ printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000);
+ printk("TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000);
+
+ if (IS_ENABLED(CONFIG_CACHE_FEROCEON_L2))
+ feroceon_l2_init(is_l2_writethrough());
+
+ /* Setup root of clk tree */
+ clk_init();
+}
+
+void mv78xx0_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)
+ ;
+}
diff --git a/arch/arm/mach-mv78xx0/common.h b/arch/arm/mach-mv78xx0/common.h
new file mode 100644
index 000000000..d8c6c2400
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/mach-mv78xx0/common.h
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ */
+
+#ifndef __ARCH_MV78XX0_COMMON_H
+#define __ARCH_MV78XX0_COMMON_H
+
+#include <linux/reboot.h>
+
+struct mv643xx_eth_platform_data;
+struct mv_sata_platform_data;
+
+/*
+ * Basic MV78xx0 init functions used early by machine-setup.
+ */
+int mv78xx0_core_index(void);
+void mv78xx0_map_io(void);
+void mv78xx0_init(void);
+void mv78xx0_init_early(void);
+void mv78xx0_init_irq(void);
+
+void mv78xx0_setup_cpu_mbus(void);
+void mv78xx0_setup_pcie_io_win(int window, u32 base, u32 size,
+ int maj, int min);
+void mv78xx0_setup_pcie_mem_win(int window, u32 base, u32 size,
+ int maj, int min);
+
+void mv78xx0_pcie_id(u32 *dev, u32 *rev);
+
+void mv78xx0_ehci0_init(void);
+void mv78xx0_ehci1_init(void);
+void mv78xx0_ehci2_init(void);
+void mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_pcie_init(int init_port0, int init_port1);
+void mv78xx0_sata_init(struct mv_sata_platform_data *sata_data);
+void mv78xx0_uart0_init(void);
+void mv78xx0_uart1_init(void);
+void mv78xx0_uart2_init(void);
+void mv78xx0_uart3_init(void);
+void mv78xx0_i2c_init(void);
+void mv78xx0_restart(enum reboot_mode, const char *);
+
+extern void mv78xx0_timer_init(void);
+
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
new file mode 100644
index 000000000..da633a33a
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+ *
+ * Marvell DB-78x00-BP Development Board Setup
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "mv78xx0.h"
+#include "common.h"
+
+static struct mv643xx_eth_platform_data db78x00_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge01_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(9),
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge10_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(10),
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge11_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(11),
+};
+
+static struct mv_sata_platform_data db78x00_sata_data = {
+ .n_ports = 2,
+};
+
+static struct i2c_board_info __initdata db78x00_i2c_rtc = {
+ I2C_BOARD_INFO("ds1338", 0x68),
+};
+
+
+static void __init db78x00_init(void)
+{
+ /*
+ * Basic MV78xx0 setup. Needs to be called early.
+ */
+ mv78xx0_init();
+
+ /*
+ * Partition on-chip peripherals between the two CPU cores.
+ */
+ if (mv78xx0_core_index() == 0) {
+ mv78xx0_ehci0_init();
+ mv78xx0_ehci1_init();
+ mv78xx0_ehci2_init();
+ mv78xx0_ge00_init(&db78x00_ge00_data);
+ mv78xx0_ge01_init(&db78x00_ge01_data);
+ mv78xx0_ge10_init(&db78x00_ge10_data);
+ mv78xx0_ge11_init(&db78x00_ge11_data);
+ mv78xx0_sata_init(&db78x00_sata_data);
+ mv78xx0_uart0_init();
+ mv78xx0_uart2_init();
+ mv78xx0_i2c_init();
+ i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
+ } else {
+ mv78xx0_uart1_init();
+ mv78xx0_uart3_init();
+ }
+}
+
+static int __init db78x00_pci_init(void)
+{
+ if (machine_is_db78x00_bp()) {
+ /*
+ * Assign the x16 PCIe slot on the board to CPU core
+ * #0, and let CPU core #1 have the four x1 slots.
+ */
+ if (mv78xx0_core_index() == 0)
+ mv78xx0_pcie_init(0, 1);
+ else
+ mv78xx0_pcie_init(1, 0);
+ }
+
+ return 0;
+}
+subsys_initcall(db78x00_pci_init);
+
+MACHINE_START(DB78X00_BP, "Marvell DB-78x00-BP Development Board")
+ /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+ .atag_offset = 0x100,
+ .nr_irqs = MV78XX0_NR_IRQS,
+ .init_machine = db78x00_init,
+ .map_io = mv78xx0_map_io,
+ .init_early = mv78xx0_init_early,
+ .init_irq = mv78xx0_init_irq,
+ .init_time = mv78xx0_timer_init,
+ .restart = mv78xx0_restart,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
new file mode 100644
index 000000000..a34b6855f
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/irq.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78xx0/irq.c
+ *
+ * MV78xx0 IRQ handling.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/exception.h>
+#include <plat/orion-gpio.h>
+#include <plat/irq.h>
+#include "bridge-regs.h"
+#include "common.h"
+
+static int __initdata gpio0_irqs[4] = {
+ IRQ_MV78XX0_GPIO_0_7,
+ IRQ_MV78XX0_GPIO_8_15,
+ IRQ_MV78XX0_GPIO_16_23,
+ IRQ_MV78XX0_GPIO_24_31,
+};
+
+static void __iomem *mv78xx0_irq_base = IRQ_VIRT_BASE;
+
+static asmlinkage void
+__exception_irq_entry mv78xx0_legacy_handle_irq(struct pt_regs *regs)
+{
+ u32 stat;
+
+ stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_LOW_OFF);
+ stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_LOW_OFF);
+ if (stat) {
+ unsigned int hwirq = __fls(stat);
+ handle_IRQ(hwirq, regs);
+ return;
+ }
+ stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_HIGH_OFF);
+ stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_HIGH_OFF);
+ if (stat) {
+ unsigned int hwirq = 32 + __fls(stat);
+ handle_IRQ(hwirq, regs);
+ return;
+ }
+ stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_ERR_OFF);
+ stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_ERR_OFF);
+ if (stat) {
+ unsigned int hwirq = 64 + __fls(stat);
+ handle_IRQ(hwirq, regs);
+ return;
+ }
+}
+
+void __init mv78xx0_init_irq(void)
+{
+ orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
+ orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
+ orion_irq_init(64, IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF);
+
+ set_handle_irq(mv78xx0_legacy_handle_irq);
+
+ /*
+ * Initialize gpiolib for GPIOs 0-31. (The GPIO interrupt mask
+ * registers for core #1 are at an offset of 0x18 from those of
+ * core #0.)
+ */
+ orion_gpio_init(0, 32, GPIO_VIRT_BASE, mv78xx0_core_index() ? 0x18 : 0,
+ IRQ_MV78XX0_GPIO_START, gpio0_irqs);
+}
diff --git a/arch/arm/mach-mv78xx0/irqs.h b/arch/arm/mach-mv78xx0/irqs.h
new file mode 100644
index 000000000..12b357d38
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/irqs.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* IRQ definitions for Marvell MV78xx0 SoCs */
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+/*
+ * MV78xx0 Low Interrupt Controller
+ */
+#define IRQ_MV78XX0_ERR 0
+#define IRQ_MV78XX0_SPI 1
+#define IRQ_MV78XX0_I2C_0 2
+#define IRQ_MV78XX0_I2C_1 3
+#define IRQ_MV78XX0_IDMA_0 4
+#define IRQ_MV78XX0_IDMA_1 5
+#define IRQ_MV78XX0_IDMA_2 6
+#define IRQ_MV78XX0_IDMA_3 7
+#define IRQ_MV78XX0_TIMER_0 8
+#define IRQ_MV78XX0_TIMER_1 9
+#define IRQ_MV78XX0_TIMER_2 10
+#define IRQ_MV78XX0_TIMER_3 11
+#define IRQ_MV78XX0_UART_0 12
+#define IRQ_MV78XX0_UART_1 13
+#define IRQ_MV78XX0_UART_2 14
+#define IRQ_MV78XX0_UART_3 15
+#define IRQ_MV78XX0_USB_0 16
+#define IRQ_MV78XX0_USB_1 17
+#define IRQ_MV78XX0_USB_2 18
+#define IRQ_MV78XX0_CRYPTO 19
+#define IRQ_MV78XX0_SDIO_0 20
+#define IRQ_MV78XX0_SDIO_1 21
+#define IRQ_MV78XX0_XOR_0 22
+#define IRQ_MV78XX0_XOR_1 23
+#define IRQ_MV78XX0_I2S_0 24
+#define IRQ_MV78XX0_I2S_1 25
+#define IRQ_MV78XX0_SATA 26
+#define IRQ_MV78XX0_TDMI 27
+
+/*
+ * MV78xx0 High Interrupt Controller
+ */
+#define IRQ_MV78XX0_PCIE_00 32
+#define IRQ_MV78XX0_PCIE_01 33
+#define IRQ_MV78XX0_PCIE_02 34
+#define IRQ_MV78XX0_PCIE_03 35
+#define IRQ_MV78XX0_PCIE_10 36
+#define IRQ_MV78XX0_PCIE_11 37
+#define IRQ_MV78XX0_PCIE_12 38
+#define IRQ_MV78XX0_PCIE_13 39
+#define IRQ_MV78XX0_GE00_SUM 40
+#define IRQ_MV78XX0_GE00_RX 41
+#define IRQ_MV78XX0_GE00_TX 42
+#define IRQ_MV78XX0_GE00_MISC 43
+#define IRQ_MV78XX0_GE01_SUM 44
+#define IRQ_MV78XX0_GE01_RX 45
+#define IRQ_MV78XX0_GE01_TX 46
+#define IRQ_MV78XX0_GE01_MISC 47
+#define IRQ_MV78XX0_GE10_SUM 48
+#define IRQ_MV78XX0_GE10_RX 49
+#define IRQ_MV78XX0_GE10_TX 50
+#define IRQ_MV78XX0_GE10_MISC 51
+#define IRQ_MV78XX0_GE11_SUM 52
+#define IRQ_MV78XX0_GE11_RX 53
+#define IRQ_MV78XX0_GE11_TX 54
+#define IRQ_MV78XX0_GE11_MISC 55
+#define IRQ_MV78XX0_GPIO_0_7 56
+#define IRQ_MV78XX0_GPIO_8_15 57
+#define IRQ_MV78XX0_GPIO_16_23 58
+#define IRQ_MV78XX0_GPIO_24_31 59
+#define IRQ_MV78XX0_DB_IN 60
+#define IRQ_MV78XX0_DB_OUT 61
+
+/*
+ * MV78xx0 Error Interrupt Controller
+ */
+#define IRQ_MV78XX0_GE_ERR 70
+
+/*
+ * MV78XX0 General Purpose Pins
+ */
+#define IRQ_MV78XX0_GPIO_START 96
+#define NR_GPIO_IRQS 32
+
+#define MV78XX0_NR_IRQS (IRQ_MV78XX0_GPIO_START + NR_GPIO_IRQS)
+
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c
new file mode 100644
index 000000000..aff0e612c
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/mpp.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78x00/mpp.c
+ *
+ * MPP functions for Marvell MV78x00 SoCs
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <plat/mpp.h>
+#include "mv78xx0.h"
+#include "common.h"
+#include "mpp.h"
+
+static unsigned int __init mv78xx0_variant(void)
+{
+ u32 dev, rev;
+
+ mv78xx0_pcie_id(&dev, &rev);
+
+ if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
+ return MPP_78100_A0_MASK;
+
+ printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
+ "(dev %#x rev %#x)\n", dev, rev);
+ return 0;
+}
+
+void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
+{
+ orion_mpp_conf(mpp_list, mv78xx0_variant(),
+ MPP_MAX, DEV_BUS_VIRT_BASE);
+}
diff --git a/arch/arm/mach-mv78xx0/mpp.h b/arch/arm/mach-mv78xx0/mpp.h
new file mode 100644
index 000000000..47db52f45
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/mpp.h
@@ -0,0 +1,337 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/arch/arm/mach-mv78xx0/mpp.h -- Multi Purpose Pins
+ *
+ * sebastien requiem <sebastien@requiem.fr>
+ */
+
+#ifndef __MV78X00_MPP_H
+#define __MV78X00_MPP_H
+
+#define MPP(_num, _sel, _in, _out, _78100_A0) (\
+ /* MPP number */ ((_num) & 0xff) | \
+ /* MPP select value */ (((_sel) & 0xf) << 8) | \
+ /* may be input signal */ ((!!(_in)) << 12) | \
+ /* may be output signal */ ((!!(_out)) << 13) | \
+ /* available on A0 */ ((!!(_78100_A0)) << 14))
+
+ /* num sel i o 78100_A0 */
+
+#define MPP_78100_A0_MASK MPP(0, 0x0, 0, 0, 1)
+
+#define MPP0_GPIO MPP(0, 0x0, 1, 1, 1)
+#define MPP0_GE0_COL MPP(0, 0x1, 0, 0, 1)
+#define MPP0_GE1_TXCLK MPP(0, 0x2, 0, 0, 1)
+#define MPP0_UNUSED MPP(0, 0x3, 0, 0, 1)
+
+#define MPP1_GPIO MPP(1, 0x0, 1, 1, 1)
+#define MPP1_GE0_RXERR MPP(1, 0x1, 0, 0, 1)
+#define MPP1_GE1_TXCTL MPP(1, 0x2, 0, 0, 1)
+#define MPP1_UNUSED MPP(1, 0x3, 0, 0, 1)
+
+#define MPP2_GPIO MPP(2, 0x0, 1, 1, 1)
+#define MPP2_GE0_CRS MPP(2, 0x1, 0, 0, 1)
+#define MPP2_GE1_RXCTL MPP(2, 0x2, 0, 0, 1)
+#define MPP2_UNUSED MPP(2, 0x3, 0, 0, 1)
+
+#define MPP3_GPIO MPP(3, 0x0, 1, 1, 1)
+#define MPP3_GE0_TXERR MPP(3, 0x1, 0, 0, 1)
+#define MPP3_GE1_RXCLK MPP(3, 0x2, 0, 0, 1)
+#define MPP3_UNUSED MPP(3, 0x3, 0, 0, 1)
+
+#define MPP4_GPIO MPP(4, 0x0, 1, 1, 1)
+#define MPP4_GE0_TXD4 MPP(4, 0x1, 0, 0, 1)
+#define MPP4_GE1_TXD0 MPP(4, 0x2, 0, 0, 1)
+#define MPP4_UNUSED MPP(4, 0x3, 0, 0, 1)
+
+#define MPP5_GPIO MPP(5, 0x0, 1, 1, 1)
+#define MPP5_GE0_TXD5 MPP(5, 0x1, 0, 0, 1)
+#define MPP5_GE1_TXD1 MPP(5, 0x2, 0, 0, 1)
+#define MPP5_UNUSED MPP(5, 0x3, 0, 0, 1)
+
+#define MPP6_GPIO MPP(6, 0x0, 1, 1, 1)
+#define MPP6_GE0_TXD6 MPP(6, 0x1, 0, 0, 1)
+#define MPP6_GE1_TXD2 MPP(6, 0x2, 0, 0, 1)
+#define MPP6_UNUSED MPP(6, 0x3, 0, 0, 1)
+
+#define MPP7_GPIO MPP(7, 0x0, 1, 1, 1)
+#define MPP7_GE0_TXD7 MPP(7, 0x1, 0, 0, 1)
+#define MPP7_GE1_TXD3 MPP(7, 0x2, 0, 0, 1)
+#define MPP7_UNUSED MPP(7, 0x3, 0, 0, 1)
+
+#define MPP8_GPIO MPP(8, 0x0, 1, 1, 1)
+#define MPP8_GE0_RXD4 MPP(8, 0x1, 0, 0, 1)
+#define MPP8_GE1_RXD0 MPP(8, 0x2, 0, 0, 1)
+#define MPP8_UNUSED MPP(8, 0x3, 0, 0, 1)
+
+#define MPP9_GPIO MPP(9, 0x0, 1, 1, 1)
+#define MPP9_GE0_RXD5 MPP(9, 0x1, 0, 0, 1)
+#define MPP9_GE1_RXD1 MPP(9, 0x2, 0, 0, 1)
+#define MPP9_UNUSED MPP(9, 0x3, 0, 0, 1)
+
+#define MPP10_GPIO MPP(10, 0x0, 1, 1, 1)
+#define MPP10_GE0_RXD6 MPP(10, 0x1, 0, 0, 1)
+#define MPP10_GE1_RXD2 MPP(10, 0x2, 0, 0, 1)
+#define MPP10_UNUSED MPP(10, 0x3, 0, 0, 1)
+
+#define MPP11_GPIO MPP(11, 0x0, 1, 1, 1)
+#define MPP11_GE0_RXD7 MPP(11, 0x1, 0, 0, 1)
+#define MPP11_GE1_RXD3 MPP(11, 0x2, 0, 0, 1)
+#define MPP11_UNUSED MPP(11, 0x3, 0, 0, 1)
+
+#define MPP12_GPIO MPP(12, 0x0, 1, 1, 1)
+#define MPP12_M_BB MPP(12, 0x3, 0, 0, 1)
+#define MPP12_UA0_CTSn MPP(12, 0x4, 0, 0, 1)
+#define MPP12_NAND_FLASH_REn0 MPP(12, 0x5, 0, 0, 1)
+#define MPP12_TDM0_SCSn MPP(12, 0X6, 0, 0, 1)
+#define MPP12_UNUSED MPP(12, 0x1, 0, 0, 1)
+
+#define MPP13_GPIO MPP(13, 0x0, 1, 1, 1)
+#define MPP13_SYSRST_OUTn MPP(13, 0x3, 0, 0, 1)
+#define MPP13_UA0_RTSn MPP(13, 0x4, 0, 0, 1)
+#define MPP13_NAN_FLASH_WEn0 MPP(13, 0x5, 0, 0, 1)
+#define MPP13_TDM_SCLK MPP(13, 0x6, 0, 0, 1)
+#define MPP13_UNUSED MPP(13, 0x1, 0, 0, 1)
+
+#define MPP14_GPIO MPP(14, 0x0, 1, 1, 1)
+#define MPP14_SATA1_ACTn MPP(14, 0x3, 0, 0, 1)
+#define MPP14_UA1_CTSn MPP(14, 0x4, 0, 0, 1)
+#define MPP14_NAND_FLASH_REn1 MPP(14, 0x5, 0, 0, 1)
+#define MPP14_TDM_SMOSI MPP(14, 0x6, 0, 0, 1)
+#define MPP14_UNUSED MPP(14, 0x1, 0, 0, 1)
+
+#define MPP15_GPIO MPP(15, 0x0, 1, 1, 1)
+#define MPP15_SATA0_ACTn MPP(15, 0x3, 0, 0, 1)
+#define MPP15_UA1_RTSn MPP(15, 0x4, 0, 0, 1)
+#define MPP15_NAND_FLASH_WEn1 MPP(15, 0x5, 0, 0, 1)
+#define MPP15_TDM_SMISO MPP(15, 0x6, 0, 0, 1)
+#define MPP15_UNUSED MPP(15, 0x1, 0, 0, 1)
+
+#define MPP16_GPIO MPP(16, 0x0, 1, 1, 1)
+#define MPP16_SATA1_PRESENTn MPP(16, 0x3, 0, 0, 1)
+#define MPP16_UA2_TXD MPP(16, 0x4, 0, 0, 1)
+#define MPP16_NAND_FLASH_REn3 MPP(16, 0x5, 0, 0, 1)
+#define MPP16_TDM_INTn MPP(16, 0x6, 0, 0, 1)
+#define MPP16_UNUSED MPP(16, 0x1, 0, 0, 1)
+
+
+#define MPP17_GPIO MPP(17, 0x0, 1, 1, 1)
+#define MPP17_SATA0_PRESENTn MPP(17, 0x3, 0, 0, 1)
+#define MPP17_UA2_RXD MPP(17, 0x4, 0, 0, 1)
+#define MPP17_NAND_FLASH_WEn3 MPP(17, 0x5, 0, 0, 1)
+#define MPP17_TDM_RSTn MPP(17, 0x6, 0, 0, 1)
+#define MPP17_UNUSED MPP(17, 0x1, 0, 0, 1)
+
+
+#define MPP18_GPIO MPP(18, 0x0, 1, 1, 1)
+#define MPP18_UA0_CTSn MPP(18, 0x4, 0, 0, 1)
+#define MPP18_BOOT_FLASH_REn MPP(18, 0x5, 0, 0, 1)
+#define MPP18_UNUSED MPP(18, 0x1, 0, 0, 1)
+
+
+
+#define MPP19_GPIO MPP(19, 0x0, 1, 1, 1)
+#define MPP19_UA0_CTSn MPP(19, 0x4, 0, 0, 1)
+#define MPP19_BOOT_FLASH_WEn MPP(19, 0x5, 0, 0, 1)
+#define MPP19_UNUSED MPP(19, 0x1, 0, 0, 1)
+
+
+#define MPP20_GPIO MPP(20, 0x0, 1, 1, 1)
+#define MPP20_UA1_CTSs MPP(20, 0x4, 0, 0, 1)
+#define MPP20_TDM_PCLK MPP(20, 0x6, 0, 0, 0)
+#define MPP20_UNUSED MPP(20, 0x1, 0, 0, 1)
+
+
+
+#define MPP21_GPIO MPP(21, 0x0, 1, 1, 1)
+#define MPP21_UA1_CTSs MPP(21, 0x4, 0, 0, 1)
+#define MPP21_TDM_FSYNC MPP(21, 0x6, 0, 0, 0)
+#define MPP21_UNUSED MPP(21, 0x1, 0, 0, 1)
+
+
+
+#define MPP22_GPIO MPP(22, 0x0, 1, 1, 1)
+#define MPP22_UA3_TDX MPP(22, 0x4, 0, 0, 1)
+#define MPP22_NAND_FLASH_REn2 MPP(22, 0x5, 0, 0, 1)
+#define MPP22_TDM_DRX MPP(22, 0x6, 0, 0, 1)
+#define MPP22_UNUSED MPP(22, 0x1, 0, 0, 1)
+
+
+
+#define MPP23_GPIO MPP(23, 0x0, 1, 1, 1)
+#define MPP23_UA3_RDX MPP(23, 0x4, 0, 0, 1)
+#define MPP23_NAND_FLASH_WEn2 MPP(23, 0x5, 0, 0, 1)
+#define MPP23_TDM_DTX MPP(23, 0x6, 0, 0, 1)
+#define MPP23_UNUSED MPP(23, 0x1, 0, 0, 1)
+
+
+#define MPP24_GPIO MPP(24, 0x0, 1, 1, 1)
+#define MPP24_UA2_TXD MPP(24, 0x4, 0, 0, 1)
+#define MPP24_TDM_INTn MPP(24, 0x6, 0, 0, 1)
+#define MPP24_UNUSED MPP(24, 0x1, 0, 0, 1)
+
+
+#define MPP25_GPIO MPP(25, 0x0, 1, 1, 1)
+#define MPP25_UA2_RXD MPP(25, 0x4, 0, 0, 1)
+#define MPP25_TDM_RSTn MPP(25, 0x6, 0, 0, 1)
+#define MPP25_UNUSED MPP(25, 0x1, 0, 0, 1)
+
+
+#define MPP26_GPIO MPP(26, 0x0, 1, 1, 1)
+#define MPP26_UA2_CTSn MPP(26, 0x4, 0, 0, 1)
+#define MPP26_TDM_PCLK MPP(26, 0x6, 0, 0, 1)
+#define MPP26_UNUSED MPP(26, 0x1, 0, 0, 1)
+
+
+#define MPP27_GPIO MPP(27, 0x0, 1, 1, 1)
+#define MPP27_UA2_RTSn MPP(27, 0x4, 0, 0, 1)
+#define MPP27_TDM_FSYNC MPP(27, 0x6, 0, 0, 1)
+#define MPP27_UNUSED MPP(27, 0x1, 0, 0, 1)
+
+
+#define MPP28_GPIO MPP(28, 0x0, 1, 1, 1)
+#define MPP28_UA3_TXD MPP(28, 0x4, 0, 0, 1)
+#define MPP28_TDM_DRX MPP(28, 0x6, 0, 0, 1)
+#define MPP28_UNUSED MPP(28, 0x1, 0, 0, 1)
+
+#define MPP29_GPIO MPP(29, 0x0, 1, 1, 1)
+#define MPP29_UA3_RXD MPP(29, 0x4, 0, 0, 1)
+#define MPP29_SYSRST_OUTn MPP(29, 0x5, 0, 0, 1)
+#define MPP29_TDM_DTX MPP(29, 0x6, 0, 0, 1)
+#define MPP29_UNUSED MPP(29, 0x1, 0, 0, 1)
+
+#define MPP30_GPIO MPP(30, 0x0, 1, 1, 1)
+#define MPP30_UA3_CTSn MPP(30, 0x4, 0, 0, 1)
+#define MPP30_UNUSED MPP(30, 0x1, 0, 0, 1)
+
+#define MPP31_GPIO MPP(31, 0x0, 1, 1, 1)
+#define MPP31_UA3_RTSn MPP(31, 0x4, 0, 0, 1)
+#define MPP31_TDM1_SCSn MPP(31, 0x6, 0, 0, 1)
+#define MPP31_UNUSED MPP(31, 0x1, 0, 0, 1)
+
+
+#define MPP32_GPIO MPP(32, 0x1, 1, 1, 1)
+#define MPP32_UA3_TDX MPP(32, 0x4, 0, 0, 1)
+#define MPP32_SYSRST_OUTn MPP(32, 0x5, 0, 0, 1)
+#define MPP32_TDM0_RXQ MPP(32, 0x6, 0, 0, 1)
+#define MPP32_UNUSED MPP(32, 0x3, 0, 0, 1)
+
+
+#define MPP33_GPIO MPP(33, 0x1, 1, 1, 1)
+#define MPP33_UA3_RDX MPP(33, 0x4, 0, 0, 1)
+#define MPP33_TDM0_TXQ MPP(33, 0x6, 0, 0, 1)
+#define MPP33_UNUSED MPP(33, 0x3, 0, 0, 1)
+
+
+
+#define MPP34_GPIO MPP(34, 0x1, 1, 1, 1)
+#define MPP34_UA2_TDX MPP(34, 0x4, 0, 0, 1)
+#define MPP34_TDM1_RXQ MPP(34, 0x6, 0, 0, 1)
+#define MPP34_UNUSED MPP(34, 0x3, 0, 0, 1)
+
+
+
+#define MPP35_GPIO MPP(35, 0x1, 1, 1, 1)
+#define MPP35_UA2_RDX MPP(35, 0x4, 0, 0, 1)
+#define MPP35_TDM1_TXQ MPP(35, 0x6, 0, 0, 1)
+#define MPP35_UNUSED MPP(35, 0x3, 0, 0, 1)
+
+#define MPP36_GPIO MPP(36, 0x1, 1, 1, 1)
+#define MPP36_UA0_CTSn MPP(36, 0x2, 0, 0, 1)
+#define MPP36_UA2_TDX MPP(36, 0x4, 0, 0, 1)
+#define MPP36_TDM0_SCSn MPP(36, 0x6, 0, 0, 1)
+#define MPP36_UNUSED MPP(36, 0x3, 0, 0, 1)
+
+
+#define MPP37_GPIO MPP(37, 0x1, 1, 1, 1)
+#define MPP37_UA0_RTSn MPP(37, 0x2, 0, 0, 1)
+#define MPP37_UA2_RXD MPP(37, 0x4, 0, 0, 1)
+#define MPP37_SYSRST_OUTn MPP(37, 0x5, 0, 0, 1)
+#define MPP37_TDM_SCLK MPP(37, 0x6, 0, 0, 1)
+#define MPP37_UNUSED MPP(37, 0x3, 0, 0, 1)
+
+
+
+
+#define MPP38_GPIO MPP(38, 0x1, 1, 1, 1)
+#define MPP38_UA1_CTSn MPP(38, 0x2, 0, 0, 1)
+#define MPP38_UA3_TXD MPP(38, 0x4, 0, 0, 1)
+#define MPP38_SYSRST_OUTn MPP(38, 0x5, 0, 0, 1)
+#define MPP38_TDM_SMOSI MPP(38, 0x6, 0, 0, 1)
+#define MPP38_UNUSED MPP(38, 0x3, 0, 0, 1)
+
+
+
+
+#define MPP39_GPIO MPP(39, 0x1, 1, 1, 1)
+#define MPP39_UA1_RTSn MPP(39, 0x2, 0, 0, 1)
+#define MPP39_UA3_RXD MPP(39, 0x4, 0, 0, 1)
+#define MPP39_SYSRST_OUTn MPP(39, 0x5, 0, 0, 1)
+#define MPP39_TDM_SMISO MPP(39, 0x6, 0, 0, 1)
+#define MPP39_UNUSED MPP(39, 0x3, 0, 0, 1)
+
+
+
+#define MPP40_GPIO MPP(40, 0x1, 1, 1, 1)
+#define MPP40_TDM_INTn MPP(40, 0x6, 0, 0, 1)
+#define MPP40_UNUSED MPP(40, 0x0, 0, 0, 1)
+
+
+
+#define MPP41_GPIO MPP(41, 0x1, 1, 1, 1)
+#define MPP41_TDM_RSTn MPP(41, 0x6, 0, 0, 1)
+#define MPP41_UNUSED MPP(41, 0x0, 0, 0, 1)
+
+
+
+#define MPP42_GPIO MPP(42, 0x1, 1, 1, 1)
+#define MPP42_TDM_PCLK MPP(42, 0x6, 0, 0, 1)
+#define MPP42_UNUSED MPP(42, 0x0, 0, 0, 1)
+
+
+
+#define MPP43_GPIO MPP(43, 0x1, 1, 1, 1)
+#define MPP43_TDM_FSYNC MPP(43, 0x6, 0, 0, 1)
+#define MPP43_UNUSED MPP(43, 0x0, 0, 0, 1)
+
+
+
+#define MPP44_GPIO MPP(44, 0x1, 1, 1, 1)
+#define MPP44_TDM_DRX MPP(44, 0x6, 0, 0, 1)
+#define MPP44_UNUSED MPP(44, 0x0, 0, 0, 1)
+
+
+
+#define MPP45_GPIO MPP(45, 0x1, 1, 1, 1)
+#define MPP45_SATA0_ACTn MPP(45, 0x3, 0, 0, 1)
+#define MPP45_TDM_DRX MPP(45, 0x6, 0, 0, 1)
+#define MPP45_UNUSED MPP(45, 0x0, 0, 0, 1)
+
+
+#define MPP46_GPIO MPP(46, 0x1, 1, 1, 1)
+#define MPP46_TDM_SCSn MPP(46, 0x6, 0, 0, 1)
+#define MPP46_UNUSED MPP(46, 0x0, 0, 0, 1)
+
+
+#define MPP47_GPIO MPP(47, 0x1, 1, 1, 1)
+#define MPP47_UNUSED MPP(47, 0x0, 0, 0, 1)
+
+
+
+#define MPP48_GPIO MPP(48, 0x1, 1, 1, 1)
+#define MPP48_SATA1_ACTn MPP(48, 0x3, 0, 0, 1)
+#define MPP48_UNUSED MPP(48, 0x2, 0, 0, 1)
+
+
+
+#define MPP49_GPIO MPP(49, 0x1, 1, 1, 1)
+#define MPP49_SATA0_ACTn MPP(49, 0x3, 0, 0, 1)
+#define MPP49_M_BB MPP(49, 0x4, 0, 0, 1)
+#define MPP49_UNUSED MPP(49, 0x2, 0, 0, 1)
+
+
+#define MPP_MAX 49
+
+void mv78xx0_mpp_conf(unsigned int *mpp_list);
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/mv78xx0.h b/arch/arm/mach-mv78xx0/mv78xx0.h
new file mode 100644
index 000000000..3f19bef7d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/mv78xx0.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Generic definitions for Marvell MV78xx0 SoC flavors:
+ * MV781x0 and MV782x0.
+ */
+
+#ifndef __ASM_ARCH_MV78XX0_H
+#define __ASM_ARCH_MV78XX0_H
+
+#include "irqs.h"
+
+/*
+ * Marvell MV78xx0 address maps.
+ *
+ * phys
+ * c0000000 PCIe Memory space
+ * f0800000 PCIe #0 I/O space
+ * f0900000 PCIe #1 I/O space
+ * f0a00000 PCIe #2 I/O space
+ * f0b00000 PCIe #3 I/O space
+ * f0c00000 PCIe #4 I/O space
+ * f0d00000 PCIe #5 I/O space
+ * f0e00000 PCIe #6 I/O space
+ * f0f00000 PCIe #7 I/O space
+ * f1000000 on-chip peripheral registers
+ *
+ * virt phys size
+ * fe400000 f102x000 16K core-specific peripheral registers
+ * fee00000 f0800000 64K PCIe #0 I/O space
+ * fee10000 f0900000 64K PCIe #1 I/O space
+ * fee20000 f0a00000 64K PCIe #2 I/O space
+ * fee30000 f0b00000 64K PCIe #3 I/O space
+ * fee40000 f0c00000 64K PCIe #4 I/O space
+ * fee50000 f0d00000 64K PCIe #5 I/O space
+ * fee60000 f0e00000 64K PCIe #6 I/O space
+ * fee70000 f0f00000 64K PCIe #7 I/O space
+ * fec00000 f1000000 1M on-chip peripheral registers
+ */
+#define MV78XX0_CORE0_REGS_PHYS_BASE 0xf1020000
+#define MV78XX0_CORE1_REGS_PHYS_BASE 0xf1024000
+#define MV78XX0_CORE_REGS_VIRT_BASE IOMEM(0xfe400000)
+#define MV78XX0_CORE_REGS_PHYS_BASE 0xfe400000
+#define MV78XX0_CORE_REGS_SIZE SZ_16K
+
+#define MV78XX0_PCIE_IO_PHYS_BASE(i) (0xf0800000 + ((i) << 20))
+#define MV78XX0_PCIE_IO_SIZE SZ_1M
+
+#define MV78XX0_REGS_PHYS_BASE 0xf1000000
+#define MV78XX0_REGS_VIRT_BASE IOMEM(0xfec00000)
+#define MV78XX0_REGS_SIZE SZ_1M
+
+#define MV78XX0_PCIE_MEM_PHYS_BASE 0xc0000000
+#define MV78XX0_PCIE_MEM_SIZE 0x30000000
+
+/*
+ * Core-specific peripheral registers.
+ */
+#define BRIDGE_VIRT_BASE (MV78XX0_CORE_REGS_VIRT_BASE)
+#define BRIDGE_PHYS_BASE (MV78XX0_CORE_REGS_PHYS_BASE)
+#define BRIDGE_WINS_CPU0_BASE (MV78XX0_CORE0_REGS_PHYS_BASE)
+#define BRIDGE_WINS_CPU1_BASE (MV78XX0_CORE1_REGS_PHYS_BASE)
+#define BRIDGE_WINS_SZ (0xA000)
+
+/*
+ * Register Map
+ */
+#define DDR_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x00000)
+#define DDR_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x00000)
+#define DDR_WINDOW_CPU0_BASE (DDR_PHYS_BASE + 0x1500)
+#define DDR_WINDOW_CPU1_BASE (DDR_PHYS_BASE + 0x1570)
+#define DDR_WINDOW_CPU_SZ (0x20)
+
+#define DEV_BUS_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x10000)
+#define DEV_BUS_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x10000)
+#define SAMPLE_AT_RESET_LOW (DEV_BUS_VIRT_BASE + 0x0030)
+#define SAMPLE_AT_RESET_HIGH (DEV_BUS_VIRT_BASE + 0x0034)
+#define GPIO_VIRT_BASE (DEV_BUS_VIRT_BASE + 0x0100)
+#define I2C_0_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x1000)
+#define I2C_1_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x1100)
+#define UART0_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x2000)
+#define UART0_VIRT_BASE (DEV_BUS_VIRT_BASE + 0x2000)
+#define UART1_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x2100)
+#define UART1_VIRT_BASE (DEV_BUS_VIRT_BASE + 0x2100)
+#define UART2_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x2200)
+#define UART2_VIRT_BASE (DEV_BUS_VIRT_BASE + 0x2200)
+#define UART3_PHYS_BASE (DEV_BUS_PHYS_BASE + 0x2300)
+#define UART3_VIRT_BASE (DEV_BUS_VIRT_BASE + 0x2300)
+
+#define GE10_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x30000)
+#define GE11_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x34000)
+
+#define PCIE00_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x40000)
+#define PCIE01_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x44000)
+#define PCIE02_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x48000)
+#define PCIE03_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x4c000)
+
+#define USB0_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x50000)
+#define USB1_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x51000)
+#define USB2_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x52000)
+
+#define GE00_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x70000)
+#define GE01_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0x74000)
+
+#define PCIE10_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x80000)
+#define PCIE11_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x84000)
+#define PCIE12_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x88000)
+#define PCIE13_VIRT_BASE (MV78XX0_REGS_VIRT_BASE + 0x8c000)
+
+#define SATA_PHYS_BASE (MV78XX0_REGS_PHYS_BASE + 0xa0000)
+
+/*
+ * Supported devices and revisions.
+ */
+#define MV78X00_Z0_DEV_ID 0x6381
+#define MV78X00_REV_Z0 1
+
+#define MV78100_DEV_ID 0x7810
+#define MV78100_REV_A0 1
+#define MV78100_REV_A1 2
+
+#define MV78200_DEV_ID 0x7820
+#define MV78200_REV_A0 1
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
new file mode 100644
index 000000000..6190f538a
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78xx0/pcie.c
+ *
+ * PCIe functions for Marvell MV78xx0 SoCs
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/mbus.h>
+#include <video/vga.h>
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+#include <plat/pcie.h>
+#include "mv78xx0.h"
+#include "common.h"
+
+#define MV78XX0_MBUS_PCIE_MEM_TARGET(port, lane) ((port) ? 8 : 4)
+#define MV78XX0_MBUS_PCIE_MEM_ATTR(port, lane) (0xf8 & ~(0x10 << (lane)))
+#define MV78XX0_MBUS_PCIE_IO_TARGET(port, lane) ((port) ? 8 : 4)
+#define MV78XX0_MBUS_PCIE_IO_ATTR(port, lane) (0xf0 & ~(0x10 << (lane)))
+
+struct pcie_port {
+ u8 maj;
+ u8 min;
+ u8 root_bus_nr;
+ void __iomem *base;
+ spinlock_t conf_lock;
+ char mem_space_name[20];
+ struct resource res;
+};
+
+static struct pcie_port pcie_port[8];
+static int num_pcie_ports;
+static struct resource pcie_io_space;
+
+void __init mv78xx0_pcie_id(u32 *dev, u32 *rev)
+{
+ *dev = orion_pcie_dev_id(PCIE00_VIRT_BASE);
+ *rev = orion_pcie_rev(PCIE00_VIRT_BASE);
+}
+
+u32 pcie_port_size[8] = {
+ 0,
+ 0x30000000,
+ 0x10000000,
+ 0x10000000,
+ 0x08000000,
+ 0x08000000,
+ 0x08000000,
+ 0x04000000,
+};
+
+static void __init mv78xx0_pcie_preinit(void)
+{
+ int i;
+ u32 size_each;
+ u32 start;
+
+ pcie_io_space.name = "PCIe I/O Space";
+ pcie_io_space.start = MV78XX0_PCIE_IO_PHYS_BASE(0);
+ pcie_io_space.end =
+ MV78XX0_PCIE_IO_PHYS_BASE(0) + MV78XX0_PCIE_IO_SIZE * 8 - 1;
+ pcie_io_space.flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource, &pcie_io_space))
+ panic("can't allocate PCIe I/O space");
+
+ if (num_pcie_ports > 7)
+ panic("invalid number of PCIe ports");
+
+ size_each = pcie_port_size[num_pcie_ports];
+
+ start = MV78XX0_PCIE_MEM_PHYS_BASE;
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ snprintf(pp->mem_space_name, sizeof(pp->mem_space_name),
+ "PCIe %d.%d MEM", pp->maj, pp->min);
+ pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0;
+ pp->res.name = pp->mem_space_name;
+ pp->res.flags = IORESOURCE_MEM;
+ pp->res.start = start;
+ pp->res.end = start + size_each - 1;
+ start += size_each;
+
+ if (request_resource(&iomem_resource, &pp->res))
+ panic("can't allocate PCIe MEM sub-space");
+
+ mvebu_mbus_add_window_by_id(MV78XX0_MBUS_PCIE_MEM_TARGET(pp->maj, pp->min),
+ MV78XX0_MBUS_PCIE_MEM_ATTR(pp->maj, pp->min),
+ pp->res.start, resource_size(&pp->res));
+ mvebu_mbus_add_window_remap_by_id(MV78XX0_MBUS_PCIE_IO_TARGET(pp->maj, pp->min),
+ MV78XX0_MBUS_PCIE_IO_ATTR(pp->maj, pp->min),
+ i * SZ_64K, SZ_64K, 0);
+ }
+}
+
+static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
+{
+ struct pcie_port *pp;
+ struct resource realio;
+
+ if (nr >= num_pcie_ports)
+ return 0;
+
+ pp = &pcie_port[nr];
+ sys->private_data = pp;
+ pp->root_bus_nr = sys->busnr;
+
+ /*
+ * Generic PCIe unit setup.
+ */
+ orion_pcie_set_local_bus_nr(pp->base, sys->busnr);
+ orion_pcie_setup(pp->base);
+
+ realio.start = nr * SZ_64K;
+ realio.end = realio.start + SZ_64K - 1;
+ pci_remap_iospace(&realio, MV78XX0_PCIE_IO_PHYS_BASE(nr));
+
+ pci_add_resource_offset(&sys->resources, &pp->res, sys->mem_offset);
+
+ return 1;
+}
+
+static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
+{
+ /*
+ * Don't go out when trying to access nonexisting devices
+ * on the local bus.
+ */
+ if (bus == pp->root_bus_nr && dev > 1)
+ return 0;
+
+ return 1;
+}
+
+static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
+ int size, u32 *val)
+{
+ struct pci_sys_data *sys = bus->sysdata;
+ struct pcie_port *pp = sys->private_data;
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0) {
+ *val = 0xffffffff;
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ spin_lock_irqsave(&pp->conf_lock, flags);
+ ret = orion_pcie_rd_conf(pp->base, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&pp->conf_lock, flags);
+
+ return ret;
+}
+
+static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
+ int where, int size, u32 val)
+{
+ struct pci_sys_data *sys = bus->sysdata;
+ struct pcie_port *pp = sys->private_data;
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ spin_lock_irqsave(&pp->conf_lock, flags);
+ ret = orion_pcie_wr_conf(pp->base, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&pp->conf_lock, flags);
+
+ return ret;
+}
+
+static struct pci_ops pcie_ops = {
+ .read = pcie_rd_conf,
+ .write = pcie_wr_conf,
+};
+
+/*
+ * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it
+ * is operating as a root complex this needs to be switched to
+ * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on
+ * the device. Decoding setup is handled by the orion code.
+ */
+static void rc_pci_fixup(struct pci_dev *dev)
+{
+ if (dev->bus->parent == NULL && dev->devfn == 0) {
+ int i;
+
+ dev->class &= 0xff;
+ dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ dev->resource[i].start = 0;
+ dev->resource[i].end = 0;
+ dev->resource[i].flags = 0;
+ }
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup);
+
+static int __init mv78xx0_pcie_scan_bus(int nr, struct pci_host_bridge *bridge)
+{
+ struct pci_sys_data *sys = pci_host_bridge_priv(bridge);
+
+ if (nr >= num_pcie_ports) {
+ BUG();
+ return -EINVAL;
+ }
+
+ list_splice_init(&sys->resources, &bridge->windows);
+ bridge->dev.parent = NULL;
+ bridge->sysdata = sys;
+ bridge->busnr = sys->busnr;
+ bridge->ops = &pcie_ops;
+
+ return pci_scan_root_bus_bridge(bridge);
+}
+
+static int __init mv78xx0_pcie_map_irq(const struct pci_dev *dev, u8 slot,
+ u8 pin)
+{
+ struct pci_sys_data *sys = dev->bus->sysdata;
+ struct pcie_port *pp = sys->private_data;
+
+ return IRQ_MV78XX0_PCIE_00 + (pp->maj << 2) + pp->min;
+}
+
+static struct hw_pci mv78xx0_pci __initdata = {
+ .nr_controllers = 8,
+ .preinit = mv78xx0_pcie_preinit,
+ .setup = mv78xx0_pcie_setup,
+ .scan = mv78xx0_pcie_scan_bus,
+ .map_irq = mv78xx0_pcie_map_irq,
+};
+
+static void __init add_pcie_port(int maj, int min, void __iomem *base)
+{
+ printk(KERN_INFO "MV78xx0 PCIe port %d.%d: ", maj, min);
+
+ if (orion_pcie_link_up(base)) {
+ struct pcie_port *pp = &pcie_port[num_pcie_ports++];
+
+ printk("link up\n");
+
+ pp->maj = maj;
+ pp->min = min;
+ pp->root_bus_nr = -1;
+ pp->base = base;
+ spin_lock_init(&pp->conf_lock);
+ memset(&pp->res, 0, sizeof(pp->res));
+ } else {
+ printk("link down, ignoring\n");
+ }
+}
+
+void __init mv78xx0_pcie_init(int init_port0, int init_port1)
+{
+ vga_base = MV78XX0_PCIE_MEM_PHYS_BASE;
+
+ if (init_port0) {
+ add_pcie_port(0, 0, PCIE00_VIRT_BASE);
+ if (!orion_pcie_x4_mode(PCIE00_VIRT_BASE)) {
+ add_pcie_port(0, 1, PCIE01_VIRT_BASE);
+ add_pcie_port(0, 2, PCIE02_VIRT_BASE);
+ add_pcie_port(0, 3, PCIE03_VIRT_BASE);
+ }
+ }
+
+ if (init_port1) {
+ add_pcie_port(1, 0, PCIE10_VIRT_BASE);
+ if (!orion_pcie_x4_mode((void __iomem *)PCIE10_VIRT_BASE)) {
+ add_pcie_port(1, 1, PCIE11_VIRT_BASE);
+ add_pcie_port(1, 2, PCIE12_VIRT_BASE);
+ add_pcie_port(1, 3, PCIE13_VIRT_BASE);
+ }
+ }
+
+ pci_common_init(&mv78xx0_pci);
+}
diff --git a/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c b/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c
new file mode 100644
index 000000000..80ca8b1a8
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-mv78x00/rd78x00-masa-setup.c
+ *
+ * Marvell RD-78x00-mASA Development Board Setup
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "mv78xx0.h"
+#include "common.h"
+
+static struct mv643xx_eth_platform_data rd78x00_masa_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv643xx_eth_platform_data rd78x00_masa_ge01_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(9),
+};
+
+static struct mv643xx_eth_platform_data rd78x00_masa_ge10_data = {
+};
+
+static struct mv643xx_eth_platform_data rd78x00_masa_ge11_data = {
+};
+
+static struct mv_sata_platform_data rd78x00_masa_sata_data = {
+ .n_ports = 2,
+};
+
+static void __init rd78x00_masa_init(void)
+{
+ /*
+ * Basic MV78x00 setup. Needs to be called early.
+ */
+ mv78xx0_init();
+
+ /*
+ * Partition on-chip peripherals between the two CPU cores.
+ */
+ if (mv78xx0_core_index() == 0) {
+ mv78xx0_ehci0_init();
+ mv78xx0_ehci1_init();
+ mv78xx0_ge00_init(&rd78x00_masa_ge00_data);
+ mv78xx0_ge10_init(&rd78x00_masa_ge10_data);
+ mv78xx0_sata_init(&rd78x00_masa_sata_data);
+ mv78xx0_uart0_init();
+ mv78xx0_uart2_init();
+ } else {
+ mv78xx0_ehci2_init();
+ mv78xx0_ge01_init(&rd78x00_masa_ge01_data);
+ mv78xx0_ge11_init(&rd78x00_masa_ge11_data);
+ mv78xx0_uart1_init();
+ mv78xx0_uart3_init();
+ }
+}
+
+static int __init rd78x00_pci_init(void)
+{
+ /*
+ * Assign all PCIe devices to CPU core #0.
+ */
+ if (machine_is_rd78x00_masa() && mv78xx0_core_index() == 0)
+ mv78xx0_pcie_init(1, 1);
+
+ return 0;
+}
+subsys_initcall(rd78x00_pci_init);
+
+MACHINE_START(RD78X00_MASA, "Marvell RD-78x00-MASA Development Board")
+ /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+ .atag_offset = 0x100,
+ .nr_irqs = MV78XX0_NR_IRQS,
+ .init_machine = rd78x00_masa_init,
+ .map_io = mv78xx0_map_io,
+ .init_early = mv78xx0_init_early,
+ .init_irq = mv78xx0_init_irq,
+ .init_time = mv78xx0_timer_init,
+ .restart = mv78xx0_restart,
+MACHINE_END
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 22:03:49 +0000