| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Broadcom BCM63xx VoIP DSP registration |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org> |
| 9 | */ |
| 10 | |
| 11 | #include <linux/init.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/platform_device.h> |
| 14 | |
| 15 | #include <bcm63xx_cpu.h> |
| 16 | #include <bcm63xx_dev_dsp.h> |
| 17 | #include <bcm63xx_regs.h> |
| 18 | #include <bcm63xx_io.h> |
| 19 | |
| 20 | static struct resource voip_dsp_resources[] = { |
| 21 | { |
| 22 | .start = -1, /* filled at runtime */ |
| 23 | .end = -1, /* filled at runtime */ |
| 24 | .flags = IORESOURCE_MEM, |
| 25 | }, |
| 26 | { |
| 27 | .start = -1, /* filled at runtime */ |
| 28 | .flags = IORESOURCE_IRQ, |
| 29 | }, |
| 30 | }; |
| 31 | |
| 32 | static struct platform_device bcm63xx_voip_dsp_device = { |
| 33 | .name = "bcm63xx-voip-dsp", |
| 34 | .id = -1, |
| 35 | .num_resources = ARRAY_SIZE(voip_dsp_resources), |
| 36 | .resource = voip_dsp_resources, |
| 37 | }; |
| 38 | |
| 39 | int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd) |
| 40 | { |
| 41 | struct bcm63xx_dsp_platform_data *dpd; |
| 42 | u32 val; |
| 43 | |
| 44 | /* Get the memory window */ |
| 45 | val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1)); |
| 46 | val &= MPI_CSBASE_BASE_MASK; |
| 47 | voip_dsp_resources[0].start = val; |
| 48 | voip_dsp_resources[0].end = val + 0xFFFFFFF; |
| 49 | voip_dsp_resources[1].start = pd->ext_irq; |
| 50 | |
| 51 | /* copy given platform data */ |
| 52 | dpd = bcm63xx_voip_dsp_device.dev.platform_data; |
| 53 | memcpy(dpd, pd, sizeof (*pd)); |
| 54 | |
| 55 | return platform_device_register(&bcm63xx_voip_dsp_device); |
| 56 | } |