diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/drvmgr/ambapp_bus_leon2.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/drvmgr/ambapp_bus_leon2.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/drvmgr/ambapp_bus_leon2.c b/c/src/lib/libbsp/sparc/shared/drvmgr/ambapp_bus_leon2.c deleted file mode 100644 index a2351377f7..0000000000 --- a/c/src/lib/libbsp/sparc/shared/drvmgr/ambapp_bus_leon2.c +++ /dev/null @@ -1,266 +0,0 @@ -/* LEON2 GRLIB AMBA Plug & Play bus driver. - * - * COPYRIGHT (c) 2008. - * Cobham Gaisler AB. - * - * This is driver is a wrapper for the general AMBA Plug & Play bus - * driver. This is a bus driver for LEON2-GRLIB systems providing a - * AMBA Plug & Play bus, the parent bus must be a LEON2 hardcoded - * Bus. All IRQs must be routed to this bus driver in order for IRQs - * to work. The PnP information is used to extract IRQs and base - * register addresses. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <bsp.h> - -#ifdef LEON2 -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <libcpu/access.h> -#include <drvmgr/drvmgr.h> -#include <drvmgr/ambapp_bus.h> -#include <drvmgr/leon2_amba_bus.h> - -#define DBG(args...) - -int ambapp_leon2_int_register( - struct drvmgr_dev *dev, - int index, - const char *info, - drvmgr_isr isr, - void *arg); -int ambapp_leon2_int_unregister( - struct drvmgr_dev *dev, - int index, - drvmgr_isr isr, - void *arg); -int ambapp_leon2_int_clear( - struct drvmgr_dev *dev, - int index); -int ambapp_leon2_int_mask( - struct drvmgr_dev *dev, - int irq); -int ambapp_leon2_int_unmask( - struct drvmgr_dev *dev, - int irq); -int ambapp_leon2_get_params( - struct drvmgr_dev *dev, - struct drvmgr_bus_params *params); - -int ambapp_leon2_init1(struct drvmgr_dev *dev); -int ambapp_leon2_init2(struct drvmgr_dev *dev); -int ambapp_leon2_remove(struct drvmgr_dev *dev); -void ambapp_leon2_register(void); - -/* READ/WRITE access to SpaceWire target over RMAP */ -void *ambapp_leon2_rw_arg(struct drvmgr_dev *dev); - -struct ambappl2_priv { - struct ambapp_bus abus; - struct ambapp_config config; -}; - -struct ambapp_ops ambapp_leon2_ops = { - .int_register = ambapp_leon2_int_register, - .int_unregister = ambapp_leon2_int_unregister, - .int_clear = ambapp_leon2_int_clear, - .int_mask = ambapp_leon2_int_mask, - .int_unmask = ambapp_leon2_int_unmask, - .get_params = ambapp_leon2_get_params -}; - -struct drvmgr_func ambapp_leon2_funcs[] = { - DRVMGR_FUNC(AMBAPP_RW_ARG, ambapp_leon2_rw_arg), - - DRVMGR_FUNC(AMBAPP_R8, _ld8), - DRVMGR_FUNC(AMBAPP_R16, _ld16), - DRVMGR_FUNC(AMBAPP_R32, _ld32), - DRVMGR_FUNC(AMBAPP_R64, _ld64), - - DRVMGR_FUNC(AMBAPP_W8, _st8), - DRVMGR_FUNC(AMBAPP_W16, _st16), - DRVMGR_FUNC(AMBAPP_W32, _st32), - DRVMGR_FUNC(AMBAPP_W64, _st64), - - DRVMGR_FUNC(AMBAPP_RMEM, memcpy), - DRVMGR_FUNC(AMBAPP_WMEM, memcpy), - - DRVMGR_FUNC_END -}; - -struct drvmgr_drv_ops ambapp_ops = { - .init = {ambapp_leon2_init1, ambapp_leon2_init2, NULL, NULL}, - .remove = ambapp_leon2_remove, - .info = NULL, -}; - -struct leon2_amba_dev_id ambapp_leon2_ids[] = { - {LEON2_AMBA_AMBAPP_ID}, - {0} -}; - -struct leon2_amba_drv_info ambapp_bus_drv_leon2 = { - { - DRVMGR_OBJ_DRV, /* Driver */ - NULL, /* Next driver */ - NULL, /* Device list */ - DRIVER_LEON2_AMBA_AMBAPP, /* Driver ID */ - "AMBAPP_LEON2_DRV", /* Driver Name */ - DRVMGR_BUS_TYPE_LEON2_AMBA, /* Bus Type */ - &ambapp_ops, - NULL, /* Funcs */ - 0, - sizeof(struct ambappl2_priv), /* Let DrvMgr allocate priv */ - }, - &ambapp_leon2_ids[0] -}; - -void ambapp_leon2_register(void) -{ - drvmgr_drv_register(&ambapp_bus_drv_leon2.general); -} - -/* Function called from a hard configuration */ -int ambapp_leon2_init1(struct drvmgr_dev *dev) -{ - union drvmgr_key_value *value; - struct ambappl2_priv *priv = dev->priv; - struct leon2_amba_dev_info *devinfo; - struct ambapp_config *config; - unsigned int ioarea; - unsigned int freq_hz; - LEON_Register_Map *regs; - - dev->name = "LEON2 AMBA PnP"; - - if (!priv) - return DRVMGR_NOMEM; - - config = &priv->config; - config->abus = &priv->abus; - config->ops = &ambapp_leon2_ops; - config->maps_up = DRVMGR_TRANSLATE_ONE2ONE; - config->maps_down = DRVMGR_TRANSLATE_ONE2ONE; - config->funcs = ambapp_leon2_funcs; - config->bus_type = DRVMGR_BUS_TYPE_LEON2_AMBA; - - /* Get AMBA PnP Area from REG0 */ - devinfo = (struct leon2_amba_dev_info *)dev->businfo; - ioarea = devinfo->reg_base; - - /* Scan AMBA PnP Bus. ABUS has already been cleared with memset() */ - ambapp_scan(&priv->abus, ioarea, NULL, NULL); - - /* Try to get Configuration from resource configuration */ - - value = drvmgr_dev_key_get(dev, "busFreq", DRVMGR_KT_INT); - if (value) { - /* Set frequency of AMBA bus if specified by user. The frequency - * must be for AHB bus which IOAREA matches (AHB bus 0). - */ - freq_hz = value->i; - } else { - /* Get Bus/LEON2 Frequency from timer prescaler, - * the hardcoded address is used to get to timer - */ - regs = (LEON_Register_Map *) 0x80000000; - freq_hz = (regs->Scaler_Reload + 1) * 1000 * 1000; - } - /* Note that this can be overrided by a driver on the AMBA PnP bus.*/ - ambapp_freq_init(&priv->abus, NULL, freq_hz); - - value = drvmgr_dev_key_get(dev, "drvRes", DRVMGR_KT_POINTER); - if (!value) { - DBG("ambapp_leon2_init1: Failed getting resource drvRes\n"); - config->resources = NULL; - } else { - DBG("ambapp_leon2_init1: drvRes: 0x%08x\n", (unsigned int)value->ptr); - config->resources = (struct drvmgr_bus_res *)value->ptr; - } - - /* Initialize the AMBA Bus */ - return ambapp_bus_register(dev, config); -} - -int ambapp_leon2_init2(struct drvmgr_dev *dev) -{ - return 0; -} - -int ambapp_leon2_remove(struct drvmgr_dev *dev) -{ - return 0; -} - -void *ambapp_leon2_rw_arg(struct drvmgr_dev *dev) -{ - return dev; /* No argument really needed, by for debug */ -} - -int ambapp_leon2_int_register - ( - struct drvmgr_dev *dev, - int index, - const char *info, - drvmgr_isr isr, - void *arg - ) -{ - /* Let LEON2 bus handle interrupt requests */ - return drvmgr_interrupt_register(dev->parent->dev, index, info, isr, arg); -} - -int ambapp_leon2_int_unregister - ( - struct drvmgr_dev *dev, - int index, - drvmgr_isr isr, - void *arg - ) -{ - /* Let LEON2 bus handle interrupt requests */ - return drvmgr_interrupt_unregister(dev->parent->dev, index, isr, arg); -} - -int ambapp_leon2_int_clear - ( - struct drvmgr_dev *dev, - int index - ) -{ - /* Let LEON2 bus handle interrupt requests */ - return drvmgr_interrupt_clear(dev->parent->dev, index); -} - -int ambapp_leon2_int_mask - ( - struct drvmgr_dev *dev, - int index - ) -{ - /* Let LEON2 bus handle interrupt requests */ - return drvmgr_interrupt_mask(dev->parent->dev, index); -} - -int ambapp_leon2_int_unmask - ( - struct drvmgr_dev *dev, - int index - ) -{ - /* Let LEON2 bus handle interrupt requests */ - return drvmgr_interrupt_unmask(dev->parent->dev, index); -} - -int ambapp_leon2_get_params(struct drvmgr_dev *dev, struct drvmgr_bus_params *params) -{ - params->dev_prefix = ""; - return 0; -} - -#endif |