7fe5f10ed0
Corrected IRQ triggering and level settings according to latest revision of the 440EP User Manual (rev 1.24 nov 16, 2007). The incorrect settings might cause a failure of the network if both onchip ethernet ports are under heavy load. Signed-off-by: Wolfgang Ocker <weo@reccoware.de> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
221 lines
5.8 KiB
C
221 lines
5.8 KiB
C
/*
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* PPC440EP I/O descriptions
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*
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* Wade Farnsworth <wfarnsworth@mvista.com>
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* Copyright 2004 MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <platforms/4xx/ibm440ep.h>
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#include <asm/ocp.h>
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#include <asm/ppc4xx_pic.h>
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static struct ocp_func_emac_data ibm440ep_emac0_def = {
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.rgmii_idx = -1, /* No RGMII */
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.rgmii_mux = -1, /* No RGMII */
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.zmii_idx = 0, /* ZMII device index */
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.zmii_mux = 0, /* ZMII input of this EMAC */
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.mal_idx = 0, /* MAL device index */
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.mal_rx_chan = 0, /* MAL rx channel number */
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.mal_tx_chan = 0, /* MAL tx channel number */
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.wol_irq = 61, /* WOL interrupt number */
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.mdio_idx = -1, /* No shared MDIO */
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.tah_idx = -1, /* No TAH */
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};
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static struct ocp_func_emac_data ibm440ep_emac1_def = {
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.rgmii_idx = -1, /* No RGMII */
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.rgmii_mux = -1, /* No RGMII */
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.zmii_idx = 0, /* ZMII device index */
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.zmii_mux = 1, /* ZMII input of this EMAC */
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.mal_idx = 0, /* MAL device index */
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.mal_rx_chan = 1, /* MAL rx channel number */
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.mal_tx_chan = 2, /* MAL tx channel number */
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.wol_irq = 63, /* WOL interrupt number */
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.mdio_idx = -1, /* No shared MDIO */
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.tah_idx = -1, /* No TAH */
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};
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OCP_SYSFS_EMAC_DATA()
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static struct ocp_func_mal_data ibm440ep_mal0_def = {
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.num_tx_chans = 4, /* Number of TX channels */
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.num_rx_chans = 2, /* Number of RX channels */
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.txeob_irq = 10, /* TX End Of Buffer IRQ */
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.rxeob_irq = 11, /* RX End Of Buffer IRQ */
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.txde_irq = 33, /* TX Descriptor Error IRQ */
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.rxde_irq = 34, /* RX Descriptor Error IRQ */
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.serr_irq = 32, /* MAL System Error IRQ */
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.dcr_base = DCRN_MAL_BASE /* MAL0_CFG DCR number */
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};
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OCP_SYSFS_MAL_DATA()
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static struct ocp_func_iic_data ibm440ep_iic0_def = {
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.fast_mode = 0, /* Use standad mode (100Khz) */
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};
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static struct ocp_func_iic_data ibm440ep_iic1_def = {
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.fast_mode = 0, /* Use standad mode (100Khz) */
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};
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OCP_SYSFS_IIC_DATA()
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struct ocp_def core_ocp[] = {
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_OPB,
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.index = 0,
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.paddr = 0x0EF600000ULL,
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.irq = OCP_IRQ_NA,
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.pm = OCP_CPM_NA,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_16550,
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.index = 0,
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.paddr = PPC440EP_UART0_ADDR,
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.irq = UART0_INT,
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.pm = IBM_CPM_UART0,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_16550,
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.index = 1,
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.paddr = PPC440EP_UART1_ADDR,
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.irq = UART1_INT,
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.pm = IBM_CPM_UART1,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_16550,
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.index = 2,
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.paddr = PPC440EP_UART2_ADDR,
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.irq = UART2_INT,
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.pm = IBM_CPM_UART2,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_16550,
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.index = 3,
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.paddr = PPC440EP_UART3_ADDR,
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.irq = UART3_INT,
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.pm = IBM_CPM_UART3,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_IIC,
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.index = 0,
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.paddr = 0x0EF600700ULL,
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.irq = 2,
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.pm = IBM_CPM_IIC0,
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.additions = &ibm440ep_iic0_def,
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.show = &ocp_show_iic_data
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_IIC,
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.index = 1,
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.paddr = 0x0EF600800ULL,
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.irq = 7,
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.pm = IBM_CPM_IIC1,
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.additions = &ibm440ep_iic1_def,
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.show = &ocp_show_iic_data
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_GPIO,
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.index = 0,
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.paddr = 0x0EF600B00ULL,
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.irq = OCP_IRQ_NA,
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.pm = IBM_CPM_GPIO0,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_GPIO,
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.index = 1,
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.paddr = 0x0EF600C00ULL,
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.irq = OCP_IRQ_NA,
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.pm = OCP_CPM_NA,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_MAL,
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.paddr = OCP_PADDR_NA,
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.irq = OCP_IRQ_NA,
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.pm = OCP_CPM_NA,
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.additions = &ibm440ep_mal0_def,
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.show = &ocp_show_mal_data,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_EMAC,
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.index = 0,
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.paddr = 0x0EF600E00ULL,
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.irq = 60,
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.pm = OCP_CPM_NA,
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.additions = &ibm440ep_emac0_def,
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.show = &ocp_show_emac_data,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_EMAC,
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.index = 1,
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.paddr = 0x0EF600F00ULL,
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.irq = 62,
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.pm = OCP_CPM_NA,
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.additions = &ibm440ep_emac1_def,
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.show = &ocp_show_emac_data,
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},
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{ .vendor = OCP_VENDOR_IBM,
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.function = OCP_FUNC_ZMII,
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.paddr = 0x0EF600D00ULL,
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.irq = OCP_IRQ_NA,
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.pm = OCP_CPM_NA,
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},
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{ .vendor = OCP_VENDOR_INVALID
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}
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};
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/* Polarity and triggering settings for internal interrupt sources */
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struct ppc4xx_uic_settings ppc4xx_core_uic_cfg[] __initdata = {
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{ .polarity = 0xffbffe03,
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.triggering = 0x00000000,
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.ext_irq_mask = 0x000001fc, /* IRQ0 - IRQ6 */
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},
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{ .polarity = 0xffffc6af,
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.triggering = 0x06000140,
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.ext_irq_mask = 0x00003800, /* IRQ7 - IRQ9 */
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},
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};
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static struct resource usb_gadget_resources[] = {
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[0] = {
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.start = 0x050000100ULL,
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.end = 0x05000017FULL,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 55,
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.end = 55,
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.flags = IORESOURCE_IRQ,
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},
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};
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static u64 dma_mask = 0xffffffffULL;
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static struct platform_device usb_gadget_device = {
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.name = "musbhsfc",
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.id = 0,
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.num_resources = ARRAY_SIZE(usb_gadget_resources),
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.resource = usb_gadget_resources,
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.dev = {
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.dma_mask = &dma_mask,
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.coherent_dma_mask = 0xffffffffULL,
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}
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};
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static struct platform_device *ibm440ep_devs[] __initdata = {
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&usb_gadget_device,
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};
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static int __init
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ibm440ep_platform_add_devices(void)
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{
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return platform_add_devices(ibm440ep_devs, ARRAY_SIZE(ibm440ep_devs));
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}
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arch_initcall(ibm440ep_platform_add_devices);
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