/*
- * arch/ppc/syslib/mpc10x_common.c
- *
* Common routines for the Motorola SPS MPC106, MPC107 and MPC8240 Host bridge,
* Mem ctlr, EPIC, etc.
*
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/serial_8250.h>
+#include <linux/fsl_devices.h>
+#include <linux/device.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <asm/open_pic.h>
#include <asm/mpc10x.h>
-#include <asm/ocp.h>
-
-/* The OCP structure is fixed by code below, before OCP initialises.
- paddr depends on where the board places the EUMB.
- - fixed in mpc10x_bridge_init().
- irq depends on two things:
- > does the board use the EPIC at all? (PCORE does not).
- > is the EPIC in serial or parallel mode?
- - fixed in mpc10x_set_openpic().
-*/
+#include <asm/ppc_sys.h>
#ifdef CONFIG_MPC10X_OPENPIC
#ifdef CONFIG_EPIC_SERIAL_MODE
#define MPC10X_I2C_IRQ (EPIC_IRQ_BASE + NUM_8259_INTERRUPTS)
#define MPC10X_DMA0_IRQ (EPIC_IRQ_BASE + 1 + NUM_8259_INTERRUPTS)
#define MPC10X_DMA1_IRQ (EPIC_IRQ_BASE + 2 + NUM_8259_INTERRUPTS)
+#define MPC10X_UART0_IRQ (EPIC_IRQ_BASE + 4 + NUM_8259_INTERRUPTS)
+#define MPC10X_UART1_IRQ (EPIC_IRQ_BASE + 5 + NUM_8259_INTERRUPTS)
#else
-#define MPC10X_I2C_IRQ OCP_IRQ_NA
-#define MPC10X_DMA0_IRQ OCP_IRQ_NA
-#define MPC10X_DMA1_IRQ OCP_IRQ_NA
+#define MPC10X_I2C_IRQ -1
+#define MPC10X_DMA0_IRQ -1
+#define MPC10X_DMA1_IRQ -1
+#define MPC10X_UART0_IRQ -1
+#define MPC10X_UART1_IRQ -1
#endif
-
-struct ocp_def core_ocp[] = {
- { .vendor = OCP_VENDOR_INVALID
- }
+static struct fsl_i2c_platform_data mpc10x_i2c_pdata = {
+ .device_flags = 0,
};
-static struct ocp_fs_i2c_data mpc10x_i2c_data = {
- .flags = 0
+static struct plat_serial8250_port serial_plat_uart0[] = {
+ [0] = {
+ .mapbase = 0x4500,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ },
+ { },
};
-static struct ocp_def mpc10x_i2c_ocp = {
- .vendor = OCP_VENDOR_MOTOROLA,
- .function = OCP_FUNC_IIC,
- .index = 0,
- .additions = &mpc10x_i2c_data
+static struct plat_serial8250_port serial_plat_uart1[] = {
+ [0] = {
+ .mapbase = 0x4600,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ },
+ { },
+};
+
+struct platform_device ppc_sys_platform_devices[] = {
+ [MPC10X_IIC1] = {
+ .name = "fsl-i2c",
+ .id = 1,
+ .dev.platform_data = &mpc10x_i2c_pdata,
+ .num_resources = 2,
+ .resource = (struct resource[]) {
+ {
+ .start = MPC10X_EUMB_I2C_OFFSET,
+ .end = MPC10X_EUMB_I2C_OFFSET +
+ MPC10X_EUMB_I2C_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_IRQ
+ },
+ },
+ },
+ [MPC10X_DMA0] = {
+ .name = "fsl-dma",
+ .id = 0,
+ .num_resources = 2,
+ .resource = (struct resource[]) {
+ {
+ .start = MPC10X_EUMB_DMA_OFFSET + 0x10,
+ .end = MPC10X_EUMB_DMA_OFFSET + 0x1f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+ },
+ },
+ [MPC10X_DMA1] = {
+ .name = "fsl-dma",
+ .id = 1,
+ .num_resources = 2,
+ .resource = (struct resource[]) {
+ {
+ .start = MPC10X_EUMB_DMA_OFFSET + 0x20,
+ .end = MPC10X_EUMB_DMA_OFFSET + 0x2f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+ },
+ },
+ [MPC10X_DMA1] = {
+ .name = "fsl-dma",
+ .id = 1,
+ .num_resources = 2,
+ .resource = (struct resource[]) {
+ {
+ .start = MPC10X_EUMB_DMA_OFFSET + 0x20,
+ .end = MPC10X_EUMB_DMA_OFFSET + 0x2f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+ },
+ },
+ [MPC10X_UART0] = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = serial_plat_uart0,
+ },
+ [MPC10X_UART1] = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+ .dev.platform_data = serial_plat_uart1,
+ },
+
};
-static struct ocp_def mpc10x_dma_ocp[2] = {
-{ .vendor = OCP_VENDOR_MOTOROLA,
- .function = OCP_FUNC_DMA,
- .index = 0 },
-{ .vendor = OCP_VENDOR_MOTOROLA,
- .function = OCP_FUNC_DMA,
- .index = 1 }
+/* We use the PCI ID to match on */
+struct ppc_sys_spec *cur_ppc_sys_spec;
+struct ppc_sys_spec ppc_sys_specs[] = {
+ {
+ .ppc_sys_name = "8245",
+ .mask = 0xFFFFFFFF,
+ .value = MPC10X_BRIDGE_8245,
+ .num_devices = 5,
+ .device_list = (enum ppc_sys_devices[])
+ {
+ MPC10X_IIC1, MPC10X_DMA0, MPC10X_DMA1, MPC10X_UART0, MPC10X_UART1,
+ },
+ },
+ {
+ .ppc_sys_name = "8240",
+ .mask = 0xFFFFFFFF,
+ .value = MPC10X_BRIDGE_8240,
+ .num_devices = 3,
+ .device_list = (enum ppc_sys_devices[])
+ {
+ MPC10X_IIC1, MPC10X_DMA0, MPC10X_DMA1,
+ },
+ },
+ {
+ .ppc_sys_name = "107",
+ .mask = 0xFFFFFFFF,
+ .value = MPC10X_BRIDGE_107,
+ .num_devices = 3,
+ .device_list = (enum ppc_sys_devices[])
+ {
+ MPC10X_IIC1, MPC10X_DMA0, MPC10X_DMA1,
+ },
+ },
+ { /* default match */
+ .ppc_sys_name = "",
+ .mask = 0x00000000,
+ .value = 0x00000000,
+ },
};
+/*
+ * mach_mpc10x_fixup: This function enables DUART mode if it detects
+ * if it detects two UARTS in the platform device entries.
+ */
+static int __init mach_mpc10x_fixup(struct platform_device *pdev)
+{
+ if (strncmp (pdev->name, "serial8250", 10) == 0 && pdev->id == 1)
+ writeb(readb(serial_plat_uart1[0].membase + 0x11) | 0x1,
+ serial_plat_uart1[0].membase + 0x11);
+ return 0;
+}
+
+static int __init mach_mpc10x_init(void)
+{
+ ppc_sys_device_fixup = mach_mpc10x_fixup;
+ return 0;
+}
+postcore_initcall(mach_mpc10x_init);
+
/* Set resources to match bridge memory map */
void __init
mpc10x_bridge_set_resources(int map, struct pci_controller *hose)
ppc_md.progress("mpc10x:exit1", 0x100);
}
}
+
/*
* Do some initialization and put the EUMB registers at the specified address
* (also map the EPIC registers into virtual space--OpenPIC_Addr will be set).
uint new_map,
uint phys_eumb_base)
{
- int host_bridge, picr1, picr1_bit;
+ int host_bridge, picr1, picr1_bit, i;
ulong pci_config_addr, pci_config_data;
u_char pir, byte;
printk("Host bridge in Agent mode\n");
/* Read or Set LMBAR & PCSRBAR? */
}
-
+
/* Set base addr of the 8240/107 EUMB. */
early_write_config_dword(hose,
0,
ioremap(phys_eumb_base + MPC10X_EUMB_EPIC_OFFSET,
MPC10X_EUMB_EPIC_SIZE);
#endif
- mpc10x_i2c_ocp.paddr = phys_eumb_base + MPC10X_EUMB_I2C_OFFSET;
- mpc10x_i2c_ocp.irq = MPC10X_I2C_IRQ;
- ocp_add_one_device(&mpc10x_i2c_ocp);
- mpc10x_dma_ocp[0].paddr = phys_eumb_base +
- MPC10X_EUMB_DMA_OFFSET + 0x100;
- mpc10x_dma_ocp[0].irq = MPC10X_DMA0_IRQ;
- ocp_add_one_device(&mpc10x_dma_ocp[0]);
- mpc10x_dma_ocp[1].paddr = phys_eumb_base +
- MPC10X_EUMB_DMA_OFFSET + 0x200;
- mpc10x_dma_ocp[1].irq = MPC10X_DMA1_IRQ;
- ocp_add_one_device(&mpc10x_dma_ocp[1]);
}
#ifdef CONFIG_MPC10X_STORE_GATHERING
mpc10x_disable_store_gathering(hose);
#endif
+ /* setup platform devices for MPC10x bridges */
+ identify_ppc_sys_by_id (host_bridge);
+
+ for (i = 0; i < cur_ppc_sys_spec->num_devices; i++) {
+ unsigned int dev_id = cur_ppc_sys_spec->device_list[i];
+ ppc_sys_fixup_mem_resource(&ppc_sys_platform_devices[dev_id],
+ phys_eumb_base);
+ }
+
+ /* IRQ's are determined at runtime */
+ ppc_sys_platform_devices[MPC10X_IIC1].resource[1].start = MPC10X_I2C_IRQ;
+ ppc_sys_platform_devices[MPC10X_IIC1].resource[1].end = MPC10X_I2C_IRQ;
+ ppc_sys_platform_devices[MPC10X_DMA0].resource[1].start = MPC10X_DMA0_IRQ;
+ ppc_sys_platform_devices[MPC10X_DMA0].resource[1].end = MPC10X_DMA0_IRQ;
+ ppc_sys_platform_devices[MPC10X_DMA1].resource[1].start = MPC10X_DMA1_IRQ;
+ ppc_sys_platform_devices[MPC10X_DMA1].resource[1].end = MPC10X_DMA1_IRQ;
+
+ serial_plat_uart0[0].mapbase += phys_eumb_base;
+ serial_plat_uart0[0].irq = MPC10X_UART0_IRQ;
+ serial_plat_uart0[0].membase = ioremap(serial_plat_uart0[0].mapbase, 0x100);
+
+ serial_plat_uart1[0].mapbase += phys_eumb_base;
+ serial_plat_uart1[0].irq = MPC10X_UART1_IRQ;
+ serial_plat_uart1[0].membase = ioremap(serial_plat_uart1[0].mapbase, 0x100);
+
/*
* 8240 erratum 26, 8241/8245 erratum 29, 107 erratum 23: speculative
* PCI reads may return stale data so turn off.
* 8245 (Rev 2., dated 10/2003) says PICR2[0] is reserverd.
*/
if (host_bridge == MPC10X_BRIDGE_8245) {
- ulong picr2;
+ u32 picr2;
early_read_config_dword(hose, 0, PCI_DEVFN(0,0),
MPC10X_CFG_PICR2_REG, &picr2);
openpic_set_sources(EPIC_IRQ_BASE, 3, OpenPIC_Addr + 0x11020);
/* Skip reserved space and map Message Unit Interrupt (I2O) */
openpic_set_sources(EPIC_IRQ_BASE + 3, 1, OpenPIC_Addr + 0x110C0);
+ /* Skip reserved space and map Serial Interupts */
+ openpic_set_sources(EPIC_IRQ_BASE + 4, 2, OpenPIC_Addr + 0x11120);
openpic_init(NUM_8259_INTERRUPTS);
}
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