[PATCH] ppc32: add 440ep support

Add PPC440EP core support.  PPC440EP is a PPC440-based SoC with a classic PPC
FPU and another set of peripherals.

Signed-off-by: Wade Farnsworth <wfarnsworth@mvista.com>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 220 insertions, 0 deletions

diff --git a/arch/ppc/platforms/4xx/ibm440ep.c b/arch/ppc/platforms/4xx/ibm440ep.c
new file mode 100644
index 0000000..284da01
--- /dev/null
+++ b/arch/ppc/platforms/4xx/ibm440ep.c
@@ -0,0 +1,220 @@
+/*
+ * arch/ppc/platforms/4xx/ibm440ep.c
+ *
+ * PPC440EP I/O descriptions
+ *
+ * Wade Farnsworth <wfarnsworth@mvista.com>
+ * Copyright 2004 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <platforms/4xx/ibm440ep.h>
+#include <asm/ocp.h>
+#include <asm/ppc4xx_pic.h>
+
+static struct ocp_func_emac_data ibm440ep_emac0_def = {
+	.rgmii_idx	= -1,           /* No RGMII */
+	.rgmii_mux	= -1,           /* No RGMII */
+	.zmii_idx       = 0,            /* ZMII device index */
+	.zmii_mux       = 0,            /* ZMII input of this EMAC */
+	.mal_idx        = 0,            /* MAL device index */
+	.mal_rx_chan    = 0,            /* MAL rx channel number */
+	.mal_tx_chan    = 0,            /* MAL tx channel number */
+	.wol_irq        = 61,		/* WOL interrupt number */
+	.mdio_idx       = -1,           /* No shared MDIO */
+	.tah_idx	= -1,           /* No TAH */
+};
+
+static struct ocp_func_emac_data ibm440ep_emac1_def = {
+	.rgmii_idx	= -1,           /* No RGMII */
+	.rgmii_mux	= -1,           /* No RGMII */
+	.zmii_idx       = 0,            /* ZMII device index */
+	.zmii_mux       = 1,            /* ZMII input of this EMAC */
+	.mal_idx        = 0,            /* MAL device index */
+	.mal_rx_chan    = 1,            /* MAL rx channel number */
+	.mal_tx_chan    = 2,            /* MAL tx channel number */
+	.wol_irq        = 63,  		/* WOL interrupt number */
+	.mdio_idx       = -1,           /* No shared MDIO */
+	.tah_idx	= -1,           /* No TAH */
+};
+OCP_SYSFS_EMAC_DATA()
+
+static struct ocp_func_mal_data ibm440ep_mal0_def = {
+	.num_tx_chans   = 4,  		/* Number of TX channels */
+	.num_rx_chans   = 2,    	/* Number of RX channels */
+	.txeob_irq	= 10,		/* TX End Of Buffer IRQ  */
+	.rxeob_irq	= 11,		/* RX End Of Buffer IRQ  */
+	.txde_irq	= 33,		/* TX Descriptor Error IRQ */
+	.rxde_irq	= 34,		/* RX Descriptor Error IRQ */
+	.serr_irq	= 32,		/* MAL System Error IRQ    */
+};
+OCP_SYSFS_MAL_DATA()
+
+static struct ocp_func_iic_data ibm440ep_iic0_def = {
+	.fast_mode	= 0,		/* Use standad mode (100Khz) */
+};
+
+static struct ocp_func_iic_data ibm440ep_iic1_def = {
+	.fast_mode	= 0,		/* Use standad mode (100Khz) */
+};
+OCP_SYSFS_IIC_DATA()
+
+struct ocp_def core_ocp[] = {
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_OPB,
+	  .index	= 0,
+	  .paddr	= 0x0EF600000ULL,
+	  .irq		= OCP_IRQ_NA,
+	  .pm		= OCP_CPM_NA,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_16550,
+	  .index	= 0,
+	  .paddr	= PPC440EP_UART0_ADDR,
+	  .irq		= UART0_INT,
+	  .pm		= IBM_CPM_UART0,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_16550,
+	  .index	= 1,
+	  .paddr	= PPC440EP_UART1_ADDR,
+	  .irq		= UART1_INT,
+	  .pm		= IBM_CPM_UART1,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_16550,
+	  .index	= 2,
+	  .paddr	= PPC440EP_UART2_ADDR,
+	  .irq		= UART2_INT,
+	  .pm		= IBM_CPM_UART2,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_16550,
+	  .index	= 3,
+	  .paddr	= PPC440EP_UART3_ADDR,
+	  .irq		= UART3_INT,
+	  .pm		= IBM_CPM_UART3,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_IIC,
+	  .index	= 0,
+	  .paddr	= 0x0EF600700ULL,
+	  .irq		= 2,
+	  .pm		= IBM_CPM_IIC0,
+	  .additions	= &ibm440ep_iic0_def,
+	  .show		= &ocp_show_iic_data
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_IIC,
+	  .index	= 1,
+	  .paddr	= 0x0EF600800ULL,
+	  .irq		= 7,
+	  .pm		= IBM_CPM_IIC1,
+	  .additions	= &ibm440ep_iic1_def,
+	  .show		= &ocp_show_iic_data
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_GPIO,
+	  .index	= 0,
+	  .paddr	= 0x0EF600B00ULL,
+	  .irq		= OCP_IRQ_NA,
+	  .pm		= IBM_CPM_GPIO0,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_GPIO,
+	  .index	= 1,
+	  .paddr	= 0x0EF600C00ULL,
+	  .irq		= OCP_IRQ_NA,
+	  .pm		= OCP_CPM_NA,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_MAL,
+	  .paddr	= OCP_PADDR_NA,
+	  .irq		= OCP_IRQ_NA,
+	  .pm		= OCP_CPM_NA,
+	  .additions	= &ibm440ep_mal0_def,
+	  .show		= &ocp_show_mal_data,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_EMAC,
+	  .index	= 0,
+	  .paddr	= 0x0EF600E00ULL,
+	  .irq		= 60,
+	  .pm		= OCP_CPM_NA,
+	  .additions	= &ibm440ep_emac0_def,
+	  .show		= &ocp_show_emac_data,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_EMAC,
+	  .index	= 1,
+	  .paddr	= 0x0EF600F00ULL,
+	  .irq		= 62,
+	  .pm		= OCP_CPM_NA,
+	  .additions	= &ibm440ep_emac1_def,
+	  .show		= &ocp_show_emac_data,
+	},
+	{ .vendor	= OCP_VENDOR_IBM,
+	  .function	= OCP_FUNC_ZMII,
+	  .paddr	= 0x0EF600D00ULL,
+	  .irq		= OCP_IRQ_NA,
+	  .pm		= OCP_CPM_NA,
+	},
+	{ .vendor	= OCP_VENDOR_INVALID
+	}
+};
+
+/* Polarity and triggering settings for internal interrupt sources */
+struct ppc4xx_uic_settings ppc4xx_core_uic_cfg[] __initdata = {
+	{ .polarity	= 0xffbffe03,
+	  .triggering   = 0xfffffe00,
+	  .ext_irq_mask = 0x000001fc,	/* IRQ0 - IRQ6 */
+	},
+	{ .polarity	= 0xffffc6ef,
+	  .triggering	= 0xffffc7ff,
+	  .ext_irq_mask = 0x00003800,	/* IRQ7 - IRQ9 */
+	},
+};
+
+static struct resource usb_gadget_resources[] = {
+	[0] = {
+		.start	= 0x050000100ULL,
+		.end 	= 0x05000017FULL,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 55,
+		.end	= 55,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 dma_mask = 0xffffffffULL;
+
+static struct platform_device usb_gadget_device = {
+	.name		= "musbhsfc",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(usb_gadget_resources),
+	.resource       = usb_gadget_resources,
+	.dev		= {
+		.dma_mask = &dma_mask,
+		.coherent_dma_mask = 0xffffffffULL,
+	}
+};
+
+static struct platform_device *ibm440ep_devs[] __initdata = {
+	&usb_gadget_device,
+};
+
+static int __init
+ibm440ep_platform_add_devices(void)
+{
+	return platform_add_devices(ibm440ep_devs, ARRAY_SIZE(ibm440ep_devs));
+}
+arch_initcall(ibm440ep_platform_add_devices);
+