diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices-tnetv107x.c')
| -rw-r--r-- | arch/arm/mach-davinci/devices-tnetv107x.c | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c deleted file mode 100644 index 01d8686e553..00000000000 --- a/arch/arm/mach-davinci/devices-tnetv107x.c +++ /dev/null @@ -1,434 +0,0 @@ -/* - * Texas Instruments TNETV107X SoC devices - * - * Copyright (C) 2010 Texas Instruments - * - * 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 version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/clk.h> -#include <linux/slab.h> -#include <linux/platform_data/edma.h> - -#include <mach/common.h> -#include <mach/irqs.h> -#include <mach/tnetv107x.h> - -#include "clock.h" - -/* Base addresses for on-chip devices */ -#define TNETV107X_TPCC_BASE 0x01c00000 -#define TNETV107X_TPTC0_BASE 0x01c10000 -#define TNETV107X_TPTC1_BASE 0x01c10400 -#define TNETV107X_WDOG_BASE 0x08086700 -#define TNETV107X_TSC_BASE 0x08088500 -#define TNETV107X_SDIO0_BASE 0x08088700 -#define TNETV107X_SDIO1_BASE 0x08088800 -#define TNETV107X_KEYPAD_BASE 0x08088a00 -#define TNETV107X_SSP_BASE 0x08088c00 -#define TNETV107X_ASYNC_EMIF_CNTRL_BASE 0x08200000 -#define TNETV107X_ASYNC_EMIF_DATA_CE0_BASE 0x30000000 -#define TNETV107X_ASYNC_EMIF_DATA_CE1_BASE 0x40000000 -#define TNETV107X_ASYNC_EMIF_DATA_CE2_BASE 0x44000000 -#define TNETV107X_ASYNC_EMIF_DATA_CE3_BASE 0x48000000 - -/* TNETV107X specific EDMA3 information */ -#define EDMA_TNETV107X_NUM_DMACH 64 -#define EDMA_TNETV107X_NUM_TCC 64 -#define EDMA_TNETV107X_NUM_PARAMENTRY 128 -#define EDMA_TNETV107X_NUM_EVQUE 2 -#define EDMA_TNETV107X_NUM_TC 2 -#define EDMA_TNETV107X_CHMAP_EXIST 0 -#define EDMA_TNETV107X_NUM_REGIONS 4 -#define TNETV107X_DMACH2EVENT_MAP0 0x3C0CE000u -#define TNETV107X_DMACH2EVENT_MAP1 0x000FFFFFu - -#define TNETV107X_DMACH_SDIO0_RX 26 -#define TNETV107X_DMACH_SDIO0_TX 27 -#define TNETV107X_DMACH_SDIO1_RX 28 -#define TNETV107X_DMACH_SDIO1_TX 29 - -static s8 edma_tc_mapping[][2] = { - /* event queue no TC no */ - { 0, 0 }, - { 1, 1 }, - { -1, -1 } -}; - -static s8 edma_priority_mapping[][2] = { - /* event queue no Prio */ - { 0, 3 }, - { 1, 7 }, - { -1, -1 } -}; - -static struct edma_soc_info edma_cc0_info = { - .n_channel = EDMA_TNETV107X_NUM_DMACH, - .n_region = EDMA_TNETV107X_NUM_REGIONS, - .n_slot = EDMA_TNETV107X_NUM_PARAMENTRY, - .n_tc = EDMA_TNETV107X_NUM_TC, - .n_cc = 1, - .queue_tc_mapping = edma_tc_mapping, - .queue_priority_mapping = edma_priority_mapping, - .default_queue = EVENTQ_1, -}; - -static struct edma_soc_info *tnetv107x_edma_info[EDMA_MAX_CC] = { - &edma_cc0_info, -}; - -static struct resource edma_resources[] = { - { - .name = "edma_cc0", - .start = TNETV107X_TPCC_BASE, - .end = TNETV107X_TPCC_BASE + SZ_32K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "edma_tc0", - .start = TNETV107X_TPTC0_BASE, - .end = TNETV107X_TPTC0_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "edma_tc1", - .start = TNETV107X_TPTC1_BASE, - .end = TNETV107X_TPTC1_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "edma0", - .start = IRQ_TNETV107X_TPCC, - .flags = IORESOURCE_IRQ, - }, - { - .name = "edma0_err", - .start = IRQ_TNETV107X_TPCC_ERR, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device edma_device = { - .name = "edma", - .id = -1, - .num_resources = ARRAY_SIZE(edma_resources), - .resource = edma_resources, - .dev.platform_data = tnetv107x_edma_info, -}; - -static struct plat_serial8250_port serial0_platform_data[] = { - { - .mapbase = TNETV107X_UART0_BASE, - .irq = IRQ_TNETV107X_UART0, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | - UPF_FIXED_TYPE | UPF_IOREMAP, - .type = PORT_AR7, - .iotype = UPIO_MEM32, - .regshift = 2, - }, - { - .flags = 0, - } -}; -static struct plat_serial8250_port serial1_platform_data[] = { - { - .mapbase = TNETV107X_UART1_BASE, - .irq = IRQ_TNETV107X_UART1, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | - UPF_FIXED_TYPE | UPF_IOREMAP, - .type = PORT_AR7, - .iotype = UPIO_MEM32, - .regshift = 2, - }, - { - .flags = 0, - } -}; -static struct plat_serial8250_port serial2_platform_data[] = { - { - .mapbase = TNETV107X_UART2_BASE, - .irq = IRQ_TNETV107X_UART2, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | - UPF_FIXED_TYPE | UPF_IOREMAP, - .type = PORT_AR7, - .iotype = UPIO_MEM32, - .regshift = 2, - }, - { - .flags = 0, - } -}; - - -struct platform_device tnetv107x_serial_device[] = { - { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev.platform_data = serial0_platform_data, - }, - { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM1, - .dev.platform_data = serial1_platform_data, - }, - { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM2, - .dev.platform_data = serial2_platform_data, - }, - { - } -}; - -static struct resource mmc0_resources[] = { - { /* Memory mapped registers */ - .start = TNETV107X_SDIO0_BASE, - .end = TNETV107X_SDIO0_BASE + 0x0ff, - .flags = IORESOURCE_MEM - }, - { /* MMC interrupt */ - .start = IRQ_TNETV107X_MMC0, - .flags = IORESOURCE_IRQ - }, - { /* SDIO interrupt */ - .start = IRQ_TNETV107X_SDIO0, - .flags = IORESOURCE_IRQ - }, - { /* DMA RX */ - .start = EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO0_RX), - .flags = IORESOURCE_DMA - }, - { /* DMA TX */ - .start = EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO0_TX), - .flags = IORESOURCE_DMA - }, -}; - -static struct resource mmc1_resources[] = { - { /* Memory mapped registers */ - .start = TNETV107X_SDIO1_BASE, - .end = TNETV107X_SDIO1_BASE + 0x0ff, - .flags = IORESOURCE_MEM - }, - { /* MMC interrupt */ - .start = IRQ_TNETV107X_MMC1, - .flags = IORESOURCE_IRQ - }, - { /* SDIO interrupt */ - .start = IRQ_TNETV107X_SDIO1, - .flags = IORESOURCE_IRQ - }, - { /* DMA RX */ - .start = EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO1_RX), - .flags = IORESOURCE_DMA - }, - { /* DMA TX */ - .start = EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO1_TX), - .flags = IORESOURCE_DMA - }, -}; - -static u64 mmc0_dma_mask = DMA_BIT_MASK(32); -static u64 mmc1_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device mmc_devices[2] = { - { - .name = "dm6441-mmc", - .id = 0, - .dev = { - .dma_mask = &mmc0_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(mmc0_resources), - .resource = mmc0_resources - }, - { - .name = "dm6441-mmc", - .id = 1, - .dev = { - .dma_mask = &mmc1_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(mmc1_resources), - .resource = mmc1_resources - }, -}; - -static const u32 emif_windows[] = { - TNETV107X_ASYNC_EMIF_DATA_CE0_BASE, TNETV107X_ASYNC_EMIF_DATA_CE1_BASE, - TNETV107X_ASYNC_EMIF_DATA_CE2_BASE, TNETV107X_ASYNC_EMIF_DATA_CE3_BASE, -}; - -static const u32 emif_window_sizes[] = { SZ_256M, SZ_64M, SZ_64M, SZ_64M }; - -static struct resource wdt_resources[] = { - { - .start = TNETV107X_WDOG_BASE, - .end = TNETV107X_WDOG_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -struct platform_device tnetv107x_wdt_device = { - .name = "tnetv107x_wdt", - .id = 0, - .num_resources = ARRAY_SIZE(wdt_resources), - .resource = wdt_resources, -}; - -static int __init nand_init(int chipsel, struct davinci_nand_pdata *data) -{ - struct resource res[2]; - struct platform_device *pdev; - u32 range; - int ret; - - /* Figure out the resource range from the ale/cle masks */ - range = max(data->mask_cle, data->mask_ale); - range = PAGE_ALIGN(range + 4) - 1; - - if (range >= emif_window_sizes[chipsel]) - return -EINVAL; - - pdev = kzalloc(sizeof(*pdev), GFP_KERNEL); - if (!pdev) - return -ENOMEM; - - pdev->name = "davinci_nand"; - pdev->id = chipsel; - pdev->dev.platform_data = data; - - memset(res, 0, sizeof(res)); - - res[0].start = emif_windows[chipsel]; - res[0].end = res[0].start + range; - res[0].flags = IORESOURCE_MEM; - - res[1].start = TNETV107X_ASYNC_EMIF_CNTRL_BASE; - res[1].end = res[1].start + SZ_4K - 1; - res[1].flags = IORESOURCE_MEM; - - ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); - if (ret < 0) { - kfree(pdev); - return ret; - } - - return platform_device_register(pdev); -} - -static struct resource keypad_resources[] = { - { - .start = TNETV107X_KEYPAD_BASE, - .end = TNETV107X_KEYPAD_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_TNETV107X_KEYPAD, - .flags = IORESOURCE_IRQ, - .name = "press", - }, - { - .start = IRQ_TNETV107X_KEYPAD_FREE, - .flags = IORESOURCE_IRQ, - .name = "release", - }, -}; - -static struct platform_device keypad_device = { - .name = "tnetv107x-keypad", - .num_resources = ARRAY_SIZE(keypad_resources), - .resource = keypad_resources, -}; - -static struct resource tsc_resources[] = { - { - .start = TNETV107X_TSC_BASE, - .end = TNETV107X_TSC_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_TNETV107X_TSC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tsc_device = { - .name = "tnetv107x-ts", - .num_resources = ARRAY_SIZE(tsc_resources), - .resource = tsc_resources, -}; - -static struct resource ssp_resources[] = { - { - .start = TNETV107X_SSP_BASE, - .end = TNETV107X_SSP_BASE + 0x1ff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_TNETV107X_SSP, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device ssp_device = { - .name = "ti-ssp", - .id = -1, - .num_resources = ARRAY_SIZE(ssp_resources), - .resource = ssp_resources, -}; - -void __init tnetv107x_devices_init(struct tnetv107x_device_info *info) -{ - int i, error; - struct clk *tsc_clk; - - /* - * The reset defaults for tnetv107x tsc clock divider is set too high. - * This forces the clock down to a range that allows the ADC to - * complete sample conversion in time. - */ - tsc_clk = clk_get(NULL, "sys_tsc_clk"); - if (!IS_ERR(tsc_clk)) { - error = clk_set_rate(tsc_clk, 5000000); - WARN_ON(error < 0); - clk_put(tsc_clk); - } - - platform_device_register(&edma_device); - platform_device_register(&tnetv107x_wdt_device); - platform_device_register(&tsc_device); - - if (info->serial_config) - davinci_serial_init(tnetv107x_serial_device); - - for (i = 0; i < 2; i++) - if (info->mmc_config[i]) { - mmc_devices[i].dev.platform_data = info->mmc_config[i]; - platform_device_register(&mmc_devices[i]); - } - - for (i = 0; i < 4; i++) - if (info->nand_config[i]) - nand_init(i, info->nand_config[i]); - - if (info->keypad_config) { - keypad_device.dev.platform_data = info->keypad_config; - platform_device_register(&keypad_device); - } - - if (info->ssp_config) { - ssp_device.dev.platform_data = info->ssp_config; - platform_device_register(&ssp_device); - } -} |