diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices.c')
| -rw-r--r-- | arch/arm/mach-davinci/devices.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c deleted file mode 100644 index 3e447d468845..000000000000 --- a/arch/arm/mach-davinci/devices.c +++ /dev/null @@ -1,323 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * mach-davinci/devices.c - * - * DaVinci platform device setup/initialization - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/platform_data/i2c-davinci.h> -#include <linux/platform_data/mmc-davinci.h> -#include <linux/platform_data/edma.h> -#include <linux/dma-mapping.h> -#include <linux/io.h> -#include <linux/reboot.h> - -#include <mach/hardware.h> -#include <mach/cputype.h> -#include <mach/mux.h> -#include <mach/time.h> - -#include "davinci.h" -#include "irqs.h" - -#define DAVINCI_I2C_BASE 0x01C21000 -#define DAVINCI_ATA_BASE 0x01C66000 -#define DAVINCI_MMCSD0_BASE 0x01E10000 -#define DM355_MMCSD0_BASE 0x01E11000 -#define DM355_MMCSD1_BASE 0x01E00000 -#define DM365_MMCSD0_BASE 0x01D11000 -#define DM365_MMCSD1_BASE 0x01D00000 - -void __iomem *davinci_sysmod_base; - -void davinci_map_sysmod(void) -{ - davinci_sysmod_base = ioremap_nocache(DAVINCI_SYSTEM_MODULE_BASE, - 0x800); - /* - * Throw a bug since a lot of board initialization code depends - * on system module availability. ioremap() failing this early - * need careful looking into anyway. - */ - BUG_ON(!davinci_sysmod_base); -} - -static struct resource i2c_resources[] = { - { - .start = DAVINCI_I2C_BASE, - .end = DAVINCI_I2C_BASE + 0x40, - .flags = IORESOURCE_MEM, - }, - { - .start = DAVINCI_INTC_IRQ(IRQ_I2C), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device davinci_i2c_device = { - .name = "i2c_davinci", - .id = 1, - .num_resources = ARRAY_SIZE(i2c_resources), - .resource = i2c_resources, -}; - -void __init davinci_init_i2c(struct davinci_i2c_platform_data *pdata) -{ - if (cpu_is_davinci_dm644x()) - davinci_cfg_reg(DM644X_I2C); - - davinci_i2c_device.dev.platform_data = pdata; - (void) platform_device_register(&davinci_i2c_device); -} - -static struct resource ide_resources[] = { - { - .start = DAVINCI_ATA_BASE, - .end = DAVINCI_ATA_BASE + 0x7ff, - .flags = IORESOURCE_MEM, - }, - { - .start = DAVINCI_INTC_IRQ(IRQ_IDE), - .end = DAVINCI_INTC_IRQ(IRQ_IDE), - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 ide_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device ide_device = { - .name = "palm_bk3710", - .id = -1, - .resource = ide_resources, - .num_resources = ARRAY_SIZE(ide_resources), - .dev = { - .dma_mask = &ide_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -void __init davinci_init_ide(void) -{ - if (cpu_is_davinci_dm644x()) { - davinci_cfg_reg(DM644X_HPIEN_DISABLE); - davinci_cfg_reg(DM644X_ATAEN); - davinci_cfg_reg(DM644X_HDIREN); - } else if (cpu_is_davinci_dm646x()) { - /* IRQ_DM646X_IDE is the same as IRQ_IDE */ - davinci_cfg_reg(DM646X_ATAEN); - } else { - WARN_ON(1); - return; - } - - platform_device_register(&ide_device); -} - -#if IS_ENABLED(CONFIG_MMC_DAVINCI) - -static u64 mmcsd0_dma_mask = DMA_BIT_MASK(32); - -static struct resource mmcsd0_resources[] = { - { - /* different on dm355 */ - .start = DAVINCI_MMCSD0_BASE, - .end = DAVINCI_MMCSD0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - /* IRQs: MMC/SD, then SDIO */ - { - .start = DAVINCI_INTC_IRQ(IRQ_MMCINT), - .flags = IORESOURCE_IRQ, - }, { - /* different on dm355 */ - .start = DAVINCI_INTC_IRQ(IRQ_SDIOINT), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device davinci_mmcsd0_device = { - .name = "dm6441-mmc", - .id = 0, - .dev = { - .dma_mask = &mmcsd0_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(mmcsd0_resources), - .resource = mmcsd0_resources, -}; - -static u64 mmcsd1_dma_mask = DMA_BIT_MASK(32); - -static struct resource mmcsd1_resources[] = { - { - .start = DM355_MMCSD1_BASE, - .end = DM355_MMCSD1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - /* IRQs: MMC/SD, then SDIO */ - { - .start = DAVINCI_INTC_IRQ(IRQ_DM355_MMCINT1), - .flags = IORESOURCE_IRQ, - }, { - .start = DAVINCI_INTC_IRQ(IRQ_DM355_SDIOINT1), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device davinci_mmcsd1_device = { - .name = "dm6441-mmc", - .id = 1, - .dev = { - .dma_mask = &mmcsd1_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(mmcsd1_resources), - .resource = mmcsd1_resources, -}; - - -void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) -{ - struct platform_device *pdev = NULL; - - if (WARN_ON(cpu_is_davinci_dm646x())) - return; - - /* REVISIT: update PINMUX, ARM_IRQMUX, and EDMA_EVTMUX here too; - * for example if MMCSD1 is used for SDIO, maybe DAT2 is unused. - * - * FIXME dm6441 (no MMC/SD), dm357 (one), and dm335 (two) are - * not handled right here ... - */ - switch (module) { - case 1: - if (cpu_is_davinci_dm355()) { - /* REVISIT we may not need all these pins if e.g. this - * is a hard-wired SDIO device... - */ - davinci_cfg_reg(DM355_SD1_CMD); - davinci_cfg_reg(DM355_SD1_CLK); - davinci_cfg_reg(DM355_SD1_DATA0); - davinci_cfg_reg(DM355_SD1_DATA1); - davinci_cfg_reg(DM355_SD1_DATA2); - davinci_cfg_reg(DM355_SD1_DATA3); - } else if (cpu_is_davinci_dm365()) { - /* Configure pull down control */ - unsigned v; - - v = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1)); - __raw_writel(v & ~0xfc0, - DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1)); - - mmcsd1_resources[0].start = DM365_MMCSD1_BASE; - mmcsd1_resources[0].end = DM365_MMCSD1_BASE + - SZ_4K - 1; - mmcsd1_resources[2].start = DAVINCI_INTC_IRQ( - IRQ_DM365_SDIOINT1); - davinci_mmcsd1_device.name = "da830-mmc"; - } else - break; - - pdev = &davinci_mmcsd1_device; - break; - case 0: - if (cpu_is_davinci_dm355()) { - mmcsd0_resources[0].start = DM355_MMCSD0_BASE; - mmcsd0_resources[0].end = DM355_MMCSD0_BASE + SZ_4K - 1; - mmcsd0_resources[2].start = DAVINCI_INTC_IRQ( - IRQ_DM355_SDIOINT0); - - /* expose all 6 MMC0 signals: CLK, CMD, DATA[0..3] */ - davinci_cfg_reg(DM355_MMCSD0); - - /* enable RX EDMA */ - davinci_cfg_reg(DM355_EVT26_MMC0_RX); - } else if (cpu_is_davinci_dm365()) { - mmcsd0_resources[0].start = DM365_MMCSD0_BASE; - mmcsd0_resources[0].end = DM365_MMCSD0_BASE + - SZ_4K - 1; - mmcsd0_resources[2].start = DAVINCI_INTC_IRQ( - IRQ_DM365_SDIOINT0); - davinci_mmcsd0_device.name = "da830-mmc"; - } else if (cpu_is_davinci_dm644x()) { - /* REVISIT: should this be in board-init code? */ - /* Power-on 3.3V IO cells */ - __raw_writel(0, - DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN)); - /*Set up the pull regiter for MMC */ - davinci_cfg_reg(DM644X_MSTK); - } - - pdev = &davinci_mmcsd0_device; - break; - } - - if (WARN_ON(!pdev)) - return; - - pdev->dev.platform_data = config; - platform_device_register(pdev); -} - -#else - -void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) -{ -} - -#endif - -/*-------------------------------------------------------------------------*/ - -static struct resource wdt_resources[] = { - { - .start = DAVINCI_WDOG_BASE, - .end = DAVINCI_WDOG_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device davinci_wdt_device = { - .name = "davinci-wdt", - .id = -1, - .num_resources = ARRAY_SIZE(wdt_resources), - .resource = wdt_resources, -}; - -int davinci_init_wdt(void) -{ - return platform_device_register(&davinci_wdt_device); -} - -static struct platform_device davinci_gpio_device = { - .name = "davinci_gpio", - .id = -1, -}; - -int davinci_gpio_register(struct resource *res, int size, void *pdata) -{ - davinci_gpio_device.resource = res; - davinci_gpio_device.num_resources = size; - davinci_gpio_device.dev.platform_data = pdata; - return platform_device_register(&davinci_gpio_device); -} - -/*-------------------------------------------------------------------------*/ - -/*-------------------------------------------------------------------------*/ - -struct davinci_timer_instance davinci_timer_instance[2] = { - { - .base = DAVINCI_TIMER0_BASE, - .bottom_irq = DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12), - .top_irq = DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34), - }, - { - .base = DAVINCI_TIMER1_BASE, - .bottom_irq = DAVINCI_INTC_IRQ(IRQ_TINT1_TINT12), - .top_irq = DAVINCI_INTC_IRQ(IRQ_TINT1_TINT34), - }, -}; - |