summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mv78xx0
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mv78xx0')
-rw-r--r--arch/arm/mach-mv78xx0/Kconfig13
-rw-r--r--arch/arm/mach-mv78xx0/Makefile2
-rw-r--r--arch/arm/mach-mv78xx0/Makefile.boot3
-rw-r--r--arch/arm/mach-mv78xx0/addr-map.c156
-rw-r--r--arch/arm/mach-mv78xx0/common.c754
-rw-r--r--arch/arm/mach-mv78xx0/common.h49
-rw-r--r--arch/arm/mach-mv78xx0/db78x00-bp-setup.c94
-rw-r--r--arch/arm/mach-mv78xx0/irq.c22
-rw-r--r--arch/arm/mach-mv78xx0/pcie.c312
9 files changed, 1405 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/Kconfig b/arch/arm/mach-mv78xx0/Kconfig
new file mode 100644
index 00000000000..d83cb86837d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Kconfig
@@ -0,0 +1,13 @@
+if ARCH_MV78XX0
+
+menu "Marvell MV78xx0 Implementations"
+
+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.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
new file mode 100644
index 00000000000..ec16c05c3b1
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -0,0 +1,2 @@
+obj-y += common.o addr-map.o irq.o pcie.o
+obj-$(CONFIG_MACH_DB78X00_BP) += db78x00-bp-setup.o
diff --git a/arch/arm/mach-mv78xx0/Makefile.boot b/arch/arm/mach-mv78xx0/Makefile.boot
new file mode 100644
index 00000000000..67039c3e0c4
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
diff --git a/arch/arm/mach-mv78xx0/addr-map.c b/arch/arm/mach-mv78xx0/addr-map.c
new file mode 100644
index 00000000000..4004b672a2e
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/addr-map.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-mv78xx0/addr-map.c
+ *
+ * Address map functions for Marvell MV78xx0 SoCs
+ *
+ * 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/mbus.h>
+#include <asm/io.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR 0
+#define TARGET_DEV_BUS 1
+#define TARGET_PCIE0 4
+#define TARGET_PCIE1 8
+#define TARGET_PCIE(i) ((i) ? TARGET_PCIE1 : TARGET_PCIE0)
+#define ATTR_DEV_SPI_ROM 0x1f
+#define ATTR_DEV_BOOT 0x2f
+#define ATTR_DEV_CS3 0x37
+#define ATTR_DEV_CS2 0x3b
+#define ATTR_DEV_CS1 0x3d
+#define ATTR_DEV_CS0 0x3e
+#define ATTR_PCIE_IO(l) (0xf0 & ~(0x10 << (l)))
+#define ATTR_PCIE_MEM(l) (0xf8 & ~(0x10 << (l)))
+
+/*
+ * Helpers to get DDR bank info
+ */
+#define DDR_BASE_CS_OFF(n) (0x0000 + ((n) << 3))
+#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3))
+
+/*
+ * CPU Address Decode Windows registers
+ */
+#define WIN0_OFF(n) (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4))
+#define WIN8_OFF(n) (BRIDGE_VIRT_BASE + 0x0900 + (((n) - 8) << 4))
+#define WIN_CTRL_OFF 0x0000
+#define WIN_BASE_OFF 0x0004
+#define WIN_REMAP_LO_OFF 0x0008
+#define WIN_REMAP_HI_OFF 0x000c
+
+
+struct mbus_dram_target_info mv78xx0_mbus_dram_info;
+
+static void __init __iomem *win_cfg_base(int win)
+{
+ /*
+ * Find the control register base address for this window.
+ *
+ * BRIDGE_VIRT_BASE points to the right (CPU0's or CPU1's)
+ * MBUS bridge depending on which CPU core we're running on,
+ * so we don't need to take that into account here.
+ */
+
+ return (void __iomem *)((win < 8) ? WIN0_OFF(win) : WIN8_OFF(win));
+}
+
+static int __init cpu_win_can_remap(int win)
+{
+ if (win < 8)
+ return 1;
+
+ return 0;
+}
+
+static void __init setup_cpu_win(int win, u32 base, u32 size,
+ u8 target, u8 attr, int remap)
+{
+ void __iomem *addr = win_cfg_base(win);
+ u32 ctrl;
+
+ base &= 0xffff0000;
+ ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
+
+ writel(base, addr + WIN_BASE_OFF);
+ writel(ctrl, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(win)) {
+ if (remap < 0)
+ remap = base;
+
+ writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+}
+
+void __init mv78xx0_setup_cpu_mbus(void)
+{
+ void __iomem *addr;
+ int i;
+ int cs;
+
+ /*
+ * First, disable and clear windows.
+ */
+ for (i = 0; i < 14; i++) {
+ addr = win_cfg_base(i);
+
+ writel(0, addr + WIN_BASE_OFF);
+ writel(0, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(i)) {
+ writel(0, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+ }
+
+ /*
+ * Setup MBUS dram target info.
+ */
+ mv78xx0_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+ if (mv78xx0_core_index() == 0)
+ addr = (void __iomem *)DDR_WINDOW_CPU0_BASE;
+ else
+ addr = (void __iomem *)DDR_WINDOW_CPU1_BASE;
+
+ for (i = 0, cs = 0; i < 4; i++) {
+ u32 base = readl(addr + DDR_BASE_CS_OFF(i));
+ u32 size = readl(addr + DDR_SIZE_CS_OFF(i));
+
+ /*
+ * Chip select enabled?
+ */
+ if (size & 1) {
+ struct mbus_dram_window *w;
+
+ w = &mv78xx0_mbus_dram_info.cs[cs++];
+ w->cs_index = i;
+ w->mbus_attr = 0xf & ~(1 << i);
+ w->base = base & 0xffff0000;
+ w->size = (size | 0x0000ffff) + 1;
+ }
+ }
+ mv78xx0_mbus_dram_info.num_cs = cs;
+}
+
+void __init mv78xx0_setup_pcie_io_win(int window, u32 base, u32 size,
+ int maj, int min)
+{
+ setup_cpu_win(window, base, size, TARGET_PCIE(maj),
+ ATTR_PCIE_IO(min), -1);
+}
+
+void __init mv78xx0_setup_pcie_mem_win(int window, u32 base, u32 size,
+ int maj, int min)
+{
+ setup_cpu_win(window, base, size, TARGET_PCIE(maj),
+ ATTR_PCIE_MEM(min), -1);
+}
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
new file mode 100644
index 00000000000..d27b83b7bf6
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -0,0 +1,754 @@
+/*
+ * arch/arm/mach-mv78xx0/common.c
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ *
+ * 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/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/plat-orion/cache-feroceon-l2.h>
+#include <asm/plat-orion/ehci-orion.h>
+#include <asm/plat-orion/orion_nand.h>
+#include <asm/plat-orion/time.h>
+#include "common.h"
+
+
+/*****************************************************************************
+ * 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;
+
+ /*
+ * TCLK tick rate is configured by DEV_A[2:0] strap pins.
+ */
+ switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) {
+ case 1:
+ tclk = 166666667;
+ break;
+ case 3:
+ tclk = 200000000;
+ break;
+ default:
+ panic("unknown TCLK PLL setting: %.8x\n",
+ readl(SAMPLE_AT_RESET_HIGH));
+ }
+
+ return tclk;
+}
+
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc mv78xx0_io_desc[] __initdata = {
+ {
+ .virtual = MV78XX0_CORE_REGS_VIRT_BASE,
+ .pfn = 0,
+ .length = MV78XX0_CORE_REGS_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = MV78XX0_PCIE_IO_VIRT_BASE(0),
+ .pfn = __phys_to_pfn(MV78XX0_PCIE_IO_PHYS_BASE(0)),
+ .length = MV78XX0_PCIE_IO_SIZE * 8,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = 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));
+}
+
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data mv78xx0_ehci_data = {
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static u64 ehci_dmamask = 0xffffffffUL;
+
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource mv78xx0_ehci0_resources[] = {
+ {
+ .start = USB0_PHYS_BASE,
+ .end = USB0_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_0,
+ .end = IRQ_MV78XX0_USB_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci0 = {
+ .name = "orion-ehci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci0_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci0_resources),
+};
+
+void __init mv78xx0_ehci0_init(void)
+{
+ platform_device_register(&mv78xx0_ehci0);
+}
+
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource mv78xx0_ehci1_resources[] = {
+ {
+ .start = USB1_PHYS_BASE,
+ .end = USB1_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_1,
+ .end = IRQ_MV78XX0_USB_1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci1 = {
+ .name = "orion-ehci",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci1_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci1_resources),
+};
+
+void __init mv78xx0_ehci1_init(void)
+{
+ platform_device_register(&mv78xx0_ehci1);
+}
+
+
+/*****************************************************************************
+ * EHCI2
+ ****************************************************************************/
+static struct resource mv78xx0_ehci2_resources[] = {
+ {
+ .start = USB2_PHYS_BASE,
+ .end = USB2_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_2,
+ .end = IRQ_MV78XX0_USB_2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci2 = {
+ .name = "orion-ehci",
+ .id = 2,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci2_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci2_resources),
+};
+
+void __init mv78xx0_ehci2_init(void)
+{
+ platform_device_register(&mv78xx0_ehci2);
+}
+
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge00_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge00_shared_resources[] = {
+ {
+ .name = "ge00 base",
+ .start = GE00_PHYS_BASE + 0x2000,
+ .end = GE00_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge00_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &mv78xx0_ge00_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge00_shared_resources,
+};
+
+static struct resource mv78xx0_ge00_resources[] = {
+ {
+ .name = "ge00 irq",
+ .start = IRQ_MV78XX0_GE00_SUM,
+ .end = IRQ_MV78XX0_GE00_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge00 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = mv78xx0_ge00_resources,
+};
+
+void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge00_shared;
+ mv78xx0_ge00.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge00_shared);
+ platform_device_register(&mv78xx0_ge00);
+}
+
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge01_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge01_shared_resources[] = {
+ {
+ .name = "ge01 base",
+ .start = GE01_PHYS_BASE + 0x2000,
+ .end = GE01_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge01_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &mv78xx0_ge01_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge01_shared_resources,
+};
+
+static struct resource mv78xx0_ge01_resources[] = {
+ {
+ .name = "ge01 irq",
+ .start = IRQ_MV78XX0_GE01_SUM,
+ .end = IRQ_MV78XX0_GE01_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge01 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = mv78xx0_ge01_resources,
+};
+
+void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge01_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge01.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge01_shared);
+ platform_device_register(&mv78xx0_ge01);
+}
+
+
+/*****************************************************************************
+ * GE10
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge10_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge10_shared_resources[] = {
+ {
+ .name = "ge10 base",
+ .start = GE10_PHYS_BASE + 0x2000,
+ .end = GE10_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge10_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 2,
+ .dev = {
+ .platform_data = &mv78xx0_ge10_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge10_shared_resources,
+};
+
+static struct resource mv78xx0_ge10_resources[] = {
+ {
+ .name = "ge10 irq",
+ .start = IRQ_MV78XX0_GE10_SUM,
+ .end = IRQ_MV78XX0_GE10_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge10 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 2,
+ .num_resources = 1,
+ .resource = mv78xx0_ge10_resources,
+};
+
+void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge10_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge10.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge10_shared);
+ platform_device_register(&mv78xx0_ge10);
+}
+
+
+/*****************************************************************************
+ * GE11
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge11_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge11_shared_resources[] = {
+ {
+ .name = "ge11 base",
+ .start = GE11_PHYS_BASE + 0x2000,
+ .end = GE11_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge11_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 3,
+ .dev = {
+ .platform_data = &mv78xx0_ge11_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge11_shared_resources,
+};
+
+static struct resource mv78xx0_ge11_resources[] = {
+ {
+ .name = "ge11 irq",
+ .start = IRQ_MV78XX0_GE11_SUM,
+ .end = IRQ_MV78XX0_GE11_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge11 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 3,
+ .num_resources = 1,
+ .resource = mv78xx0_ge11_resources,
+};
+
+void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge11_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge11.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge11_shared);
+ platform_device_register(&mv78xx0_ge11);
+}
+
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource mv78xx0_sata_resources[] = {
+ {
+ .name = "sata base",
+ .start = SATA_PHYS_BASE,
+ .end = SATA_PHYS_BASE + 0x5000 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "sata irq",
+ .start = IRQ_MV78XX0_SATA,
+ .end = IRQ_MV78XX0_SATA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_sata = {
+ .name = "sata_mv",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(mv78xx0_sata_resources),
+ .resource = mv78xx0_sata_resources,
+};
+
+void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data)
+{
+ sata_data->dram = &mv78xx0_mbus_dram_info;
+ mv78xx0_sata.dev.platform_data = sata_data;
+ platform_device_register(&mv78xx0_sata);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_0,
+ .end = IRQ_MV78XX0_UART_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart0 = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = mv78xx0_uart0_data,
+ },
+ .resource = mv78xx0_uart0_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart0_resources),
+};
+
+void __init mv78xx0_uart0_init(void)
+{
+ platform_device_register(&mv78xx0_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_1,
+ .end = IRQ_MV78XX0_UART_1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart1 = {
+ .name = "serial8250",
+ .id = 1,
+ .dev = {
+ .platform_data = mv78xx0_uart1_data,
+ },
+ .resource = mv78xx0_uart1_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart1_resources),
+};
+
+void __init mv78xx0_uart1_init(void)
+{
+ platform_device_register(&mv78xx0_uart1);
+}
+
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart2_data[] = {
+ {
+ .mapbase = UART2_PHYS_BASE,
+ .membase = (char *)UART2_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_2,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart2_resources[] = {
+ {
+ .start = UART2_PHYS_BASE,
+ .end = UART2_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_2,
+ .end = IRQ_MV78XX0_UART_2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart2 = {
+ .name = "serial8250",
+ .id = 2,
+ .dev = {
+ .platform_data = mv78xx0_uart2_data,
+ },
+ .resource = mv78xx0_uart2_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart2_resources),
+};
+
+void __init mv78xx0_uart2_init(void)
+{
+ platform_device_register(&mv78xx0_uart2);
+}
+
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart3_data[] = {
+ {
+ .mapbase = UART3_PHYS_BASE,
+ .membase = (char *)UART3_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_3,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart3_resources[] = {
+ {
+ .start = UART3_PHYS_BASE,
+ .end = UART3_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_3,
+ .end = IRQ_MV78XX0_UART_3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart3 = {
+ .name = "serial8250",
+ .id = 3,
+ .dev = {
+ .platform_data = mv78xx0_uart3_data,
+ },
+ .resource = mv78xx0_uart3_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart3_resources),
+};
+
+void __init mv78xx0_uart3_init(void)
+{
+ platform_device_register(&mv78xx0_uart3);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static void mv78xx0_timer_init(void)
+{
+ orion_time_init(IRQ_MV78XX0_TIMER_1, get_tclk());
+}
+
+struct sys_timer mv78xx0_timer = {
+ .init = mv78xx0_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+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;
+ int tclk;
+
+ core_index = mv78xx0_core_index();
+ hclk = get_hclk();
+ get_pclk_l2clk(hclk, core_index, &pclk, &l2clk);
+ tclk = get_tclk();
+
+ printk(KERN_INFO "MV78xx0 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", (tclk + 499999) / 1000000);
+
+ mv78xx0_setup_cpu_mbus();
+
+#ifdef CONFIG_CACHE_FEROCEON_L2
+ feroceon_l2_init(is_l2_writethrough());
+#endif
+
+ mv78xx0_ge00_shared_data.t_clk = tclk;
+ mv78xx0_ge01_shared_data.t_clk = tclk;
+ mv78xx0_ge10_shared_data.t_clk = tclk;
+ mv78xx0_ge11_shared_data.t_clk = tclk;
+ mv78xx0_uart0_data[0].uartclk = tclk;
+ mv78xx0_uart1_data[0].uartclk = tclk;
+ mv78xx0_uart2_data[0].uartclk = tclk;
+ mv78xx0_uart3_data[0].uartclk = tclk;
+}
diff --git a/arch/arm/mach-mv78xx0/common.h b/arch/arm/mach-mv78xx0/common.h
new file mode 100644
index 00000000000..78af5de319d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-mv78xx0/common.h
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ *
+ * 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.
+ */
+
+#ifndef __ARCH_MV78XX0_COMMON_H
+#define __ARCH_MV78XX0_COMMON_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_irq(void);
+
+extern struct mbus_dram_target_info mv78xx0_mbus_dram_info;
+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_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);
+
+extern struct sys_timer mv78xx0_timer;
+
+
+#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 00000000000..0c93d19193d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -0,0 +1,94 @@
+/*
+ * arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+ *
+ * Marvell DB-78x00-BP Development Board Setup
+ *
+ * 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/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "common.h"
+
+static struct mv643xx_eth_platform_data db78x00_ge00_data = {
+ .phy_addr = 8,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge01_data = {
+ .phy_addr = 9,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge10_data = {
+ .phy_addr = -1,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge11_data = {
+ .phy_addr = -1,
+};
+
+static struct mv_sata_platform_data db78x00_sata_data = {
+ .n_ports = 2,
+};
+
+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();
+ } 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> */
+ .phys_io = MV78XX0_REGS_PHYS_BASE,
+ .io_pg_offst = ((MV78XX0_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = db78x00_init,
+ .map_io = mv78xx0_map_io,
+ .init_irq = mv78xx0_init_irq,
+ .timer = &mv78xx0_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
new file mode 100644
index 00000000000..60f4ee4d453
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/irq.c
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-mv78xx0/irq.c
+ *
+ * MV78xx0 IRQ handling.
+ *
+ * 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/pci.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/plat-orion/irq.h>
+#include "common.h"
+
+void __init mv78xx0_init_irq(void)
+{
+ orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
+ orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
+}
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
new file mode 100644
index 00000000000..b78e1443159
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -0,0 +1,312 @@
+/*
+ * arch/arm/mach-mv78xx0/pcie.c
+ *
+ * PCIe functions for Marvell MV78xx0 SoCs
+ *
+ * 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/pci.h>
+#include <linux/mbus.h>
+#include <asm/mach/pci.h>
+#include <asm/plat-orion/pcie.h>
+#include "common.h"
+
+struct pcie_port {
+ u8 maj;
+ u8 min;
+ u8 root_bus_nr;
+ void __iomem *base;
+ spinlock_t conf_lock;
+ char io_space_name[16];
+ char mem_space_name[16];
+ struct resource res[2];
+};
+
+static struct pcie_port pcie_port[8];
+static int num_pcie_ports;
+static struct resource pcie_io_space;
+static struct resource pcie_mem_space;
+
+
+static void __init mv78xx0_pcie_preinit(void)
+{
+ int i;
+ u32 size_each;
+ u32 start;
+ int win;
+
+ 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_IO;
+ if (request_resource(&iomem_resource, &pcie_io_space))
+ panic("can't allocate PCIe I/O space");
+
+ pcie_mem_space.name = "PCIe MEM Space";
+ pcie_mem_space.start = MV78XX0_PCIE_MEM_PHYS_BASE;
+ pcie_mem_space.end =
+ MV78XX0_PCIE_MEM_PHYS_BASE + MV78XX0_PCIE_MEM_SIZE - 1;
+ pcie_mem_space.flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource, &pcie_mem_space))
+ panic("can't allocate PCIe MEM space");
+
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ snprintf(pp->io_space_name, sizeof(pp->io_space_name),
+ "PCIe %d.%d I/O", pp->maj, pp->min);
+ pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0;
+ pp->res[0].name = pp->io_space_name;
+ pp->res[0].start = MV78XX0_PCIE_IO_PHYS_BASE(i);
+ pp->res[0].end = pp->res[0].start + MV78XX0_PCIE_IO_SIZE - 1;
+ pp->res[0].flags = IORESOURCE_IO;
+
+ 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[1].name = pp->mem_space_name;
+ pp->res[1].flags = IORESOURCE_MEM;
+ }
+
+ switch (num_pcie_ports) {
+ case 0:
+ size_each = 0;
+ break;
+
+ case 1:
+ size_each = 0x30000000;
+ break;
+
+ case 2 ... 3:
+ size_each = 0x10000000;
+ break;
+
+ case 4 ... 6:
+ size_each = 0x08000000;
+ break;
+
+ case 7:
+ size_each = 0x04000000;
+ break;
+
+ default:
+ panic("invalid number of PCIe ports");
+ }
+
+ start = MV78XX0_PCIE_MEM_PHYS_BASE;
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ pp->res[1].start = start;
+ pp->res[1].end = start + size_each - 1;
+ start += size_each;
+ }
+
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ if (request_resource(&pcie_io_space, &pp->res[0]))
+ panic("can't allocate PCIe I/O sub-space");
+
+ if (request_resource(&pcie_mem_space, &pp->res[1]))
+ panic("can't allocate PCIe MEM sub-space");
+ }
+
+ win = 0;
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ mv78xx0_setup_pcie_io_win(win++, pp->res[0].start,
+ pp->res[0].end - pp->res[0].start + 1,
+ pp->maj, pp->min);
+
+ mv78xx0_setup_pcie_mem_win(win++, pp->res[1].start,
+ pp->res[1].end - pp->res[1].start + 1,
+ pp->maj, pp->min);
+ }
+}
+
+static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
+{
+ struct pcie_port *pp;
+
+ if (nr >= num_pcie_ports)
+ return 0;
+
+ pp = &pcie_port[nr];
+ 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, &mv78xx0_mbus_dram_info);
+
+ sys->resource[0] = &pp->res[0];
+ sys->resource[1] = &pp->res[1];
+ sys->resource[2] = NULL;
+
+ return 1;
+}
+
+static struct pcie_port *bus_to_port(int bus)
+{
+ int i;
+
+ for (i = num_pcie_ports - 1; i >= 0; i--) {
+ int rbus = pcie_port[i].root_bus_nr;
+ if (rbus != -1 && rbus <= bus)
+ break;
+ }
+
+ return i >= 0 ? pcie_port + i : NULL;
+}
+
+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 pcie_port *pp = bus_to_port(bus->number);
+ 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 pcie_port *pp = bus_to_port(bus->number);
+ 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,
+};
+
+static void __devinit rc_pci_fixup(struct pci_dev *dev)
+{
+ /*
+ * Prevent enumeration of root complex.
+ */
+ if (dev->bus->parent == NULL && dev->devfn == 0) {
+ int i;
+
+ 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 struct pci_bus __init *
+mv78xx0_pcie_scan_bus(int nr, struct pci_sys_data *sys)
+{
+ struct pci_bus *bus;
+
+ if (nr < num_pcie_ports) {
+ bus = pci_scan_bus(sys->busnr, &pcie_ops, sys);
+ } else {
+ bus = NULL;
+ BUG();
+ }
+
+ return bus;
+}
+
+static int __init mv78xx0_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ struct pcie_port *pp = bus_to_port(dev->bus->number);
+
+ return IRQ_MV78XX0_PCIE_00 + (pp->maj << 2) + pp->min;
+}
+
+static struct hw_pci mv78xx0_pci __initdata = {
+ .nr_controllers = 8,
+ .preinit = mv78xx0_pcie_preinit,
+ .swizzle = pci_std_swizzle,
+ .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, unsigned long base)
+{
+ printk(KERN_INFO "MV78xx0 PCIe port %d.%d: ", maj, min);
+
+ if (orion_pcie_link_up((void __iomem *)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 = (void __iomem *)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)
+{
+ if (init_port0) {
+ add_pcie_port(0, 0, PCIE00_VIRT_BASE);
+ if (!orion_pcie_x4_mode((void __iomem *)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);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-12 18:05:44 +0000