root/arch/arm/mach-davinci/da850.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * TI DA850/OMAP-L138 chip specific setup
 *
 * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Original Copyrights follow:
 *
 * 2009 (c) MontaVista Software, Inc.
 */

#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/mfd/da8xx-cfgchip.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <clocksource/timer-davinci.h>

#include <asm/mach/map.h>

#include "common.h"
#include "cputype.h"
#include "da8xx.h"
#include "hardware.h"
#include "pm.h"
#include "irqs.h"
#include "mux.h"

#define DA850_PLL1_BASE         0x01e1a000
#define DA850_TIMER64P2_BASE    0x01f0c000
#define DA850_TIMER64P3_BASE    0x01f0d000

#define DA850_REF_FREQ          24000000

/*
 * Device specific mux setup
 *
 *              soc     description     mux     mode    mode    mux     dbg
 *                                      reg     offset  mask    mode
 */
static const struct mux_config da850_pins[] = {
#ifdef CONFIG_DAVINCI_MUX
        /* UART0 function */
        MUX_CFG(DA850, NUART0_CTS,      3,      24,     15,     2,      false)
        MUX_CFG(DA850, NUART0_RTS,      3,      28,     15,     2,      false)
        MUX_CFG(DA850, UART0_RXD,       3,      16,     15,     2,      false)
        MUX_CFG(DA850, UART0_TXD,       3,      20,     15,     2,      false)
        /* UART1 function */
        MUX_CFG(DA850, UART1_RXD,       4,      24,     15,     2,      false)
        MUX_CFG(DA850, UART1_TXD,       4,      28,     15,     2,      false)
        /* UART2 function */
        MUX_CFG(DA850, UART2_RXD,       4,      16,     15,     2,      false)
        MUX_CFG(DA850, UART2_TXD,       4,      20,     15,     2,      false)
        /* I2C1 function */
        MUX_CFG(DA850, I2C1_SCL,        4,      16,     15,     4,      false)
        MUX_CFG(DA850, I2C1_SDA,        4,      20,     15,     4,      false)
        /* I2C0 function */
        MUX_CFG(DA850, I2C0_SDA,        4,      12,     15,     2,      false)
        MUX_CFG(DA850, I2C0_SCL,        4,      8,      15,     2,      false)
        /* EMAC function */
        MUX_CFG(DA850, MII_TXEN,        2,      4,      15,     8,      false)
        MUX_CFG(DA850, MII_TXCLK,       2,      8,      15,     8,      false)
        MUX_CFG(DA850, MII_COL,         2,      12,     15,     8,      false)
        MUX_CFG(DA850, MII_TXD_3,       2,      16,     15,     8,      false)
        MUX_CFG(DA850, MII_TXD_2,       2,      20,     15,     8,      false)
        MUX_CFG(DA850, MII_TXD_1,       2,      24,     15,     8,      false)
        MUX_CFG(DA850, MII_TXD_0,       2,      28,     15,     8,      false)
        MUX_CFG(DA850, MII_RXCLK,       3,      0,      15,     8,      false)
        MUX_CFG(DA850, MII_RXDV,        3,      4,      15,     8,      false)
        MUX_CFG(DA850, MII_RXER,        3,      8,      15,     8,      false)
        MUX_CFG(DA850, MII_CRS,         3,      12,     15,     8,      false)
        MUX_CFG(DA850, MII_RXD_3,       3,      16,     15,     8,      false)
        MUX_CFG(DA850, MII_RXD_2,       3,      20,     15,     8,      false)
        MUX_CFG(DA850, MII_RXD_1,       3,      24,     15,     8,      false)
        MUX_CFG(DA850, MII_RXD_0,       3,      28,     15,     8,      false)
        MUX_CFG(DA850, MDIO_CLK,        4,      0,      15,     8,      false)
        MUX_CFG(DA850, MDIO_D,          4,      4,      15,     8,      false)
        MUX_CFG(DA850, RMII_TXD_0,      14,     12,     15,     8,      false)
        MUX_CFG(DA850, RMII_TXD_1,      14,     8,      15,     8,      false)
        MUX_CFG(DA850, RMII_TXEN,       14,     16,     15,     8,      false)
        MUX_CFG(DA850, RMII_CRS_DV,     15,     4,      15,     8,      false)
        MUX_CFG(DA850, RMII_RXD_0,      14,     24,     15,     8,      false)
        MUX_CFG(DA850, RMII_RXD_1,      14,     20,     15,     8,      false)
        MUX_CFG(DA850, RMII_RXER,       14,     28,     15,     8,      false)
        MUX_CFG(DA850, RMII_MHZ_50_CLK, 15,     0,      15,     0,      false)
        /* McASP function */
        MUX_CFG(DA850,  ACLKR,          0,      0,      15,     1,      false)
        MUX_CFG(DA850,  ACLKX,          0,      4,      15,     1,      false)
        MUX_CFG(DA850,  AFSR,           0,      8,      15,     1,      false)
        MUX_CFG(DA850,  AFSX,           0,      12,     15,     1,      false)
        MUX_CFG(DA850,  AHCLKR,         0,      16,     15,     1,      false)
        MUX_CFG(DA850,  AHCLKX,         0,      20,     15,     1,      false)
        MUX_CFG(DA850,  AMUTE,          0,      24,     15,     1,      false)
        MUX_CFG(DA850,  AXR_15,         1,      0,      15,     1,      false)
        MUX_CFG(DA850,  AXR_14,         1,      4,      15,     1,      false)
        MUX_CFG(DA850,  AXR_13,         1,      8,      15,     1,      false)
        MUX_CFG(DA850,  AXR_12,         1,      12,     15,     1,      false)
        MUX_CFG(DA850,  AXR_11,         1,      16,     15,     1,      false)
        MUX_CFG(DA850,  AXR_10,         1,      20,     15,     1,      false)
        MUX_CFG(DA850,  AXR_9,          1,      24,     15,     1,      false)
        MUX_CFG(DA850,  AXR_8,          1,      28,     15,     1,      false)
        MUX_CFG(DA850,  AXR_7,          2,      0,      15,     1,      false)
        MUX_CFG(DA850,  AXR_6,          2,      4,      15,     1,      false)
        MUX_CFG(DA850,  AXR_5,          2,      8,      15,     1,      false)
        MUX_CFG(DA850,  AXR_4,          2,      12,     15,     1,      false)
        MUX_CFG(DA850,  AXR_3,          2,      16,     15,     1,      false)
        MUX_CFG(DA850,  AXR_2,          2,      20,     15,     1,      false)
        MUX_CFG(DA850,  AXR_1,          2,      24,     15,     1,      false)
        MUX_CFG(DA850,  AXR_0,          2,      28,     15,     1,      false)
        /* LCD function */
        MUX_CFG(DA850, LCD_D_7,         16,     8,      15,     2,      false)
        MUX_CFG(DA850, LCD_D_6,         16,     12,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_5,         16,     16,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_4,         16,     20,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_3,         16,     24,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_2,         16,     28,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_1,         17,     0,      15,     2,      false)
        MUX_CFG(DA850, LCD_D_0,         17,     4,      15,     2,      false)
        MUX_CFG(DA850, LCD_D_15,        17,     8,      15,     2,      false)
        MUX_CFG(DA850, LCD_D_14,        17,     12,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_13,        17,     16,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_12,        17,     20,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_11,        17,     24,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_10,        17,     28,     15,     2,      false)
        MUX_CFG(DA850, LCD_D_9,         18,     0,      15,     2,      false)
        MUX_CFG(DA850, LCD_D_8,         18,     4,      15,     2,      false)
        MUX_CFG(DA850, LCD_PCLK,        18,     24,     15,     2,      false)
        MUX_CFG(DA850, LCD_HSYNC,       19,     0,      15,     2,      false)
        MUX_CFG(DA850, LCD_VSYNC,       19,     4,      15,     2,      false)
        MUX_CFG(DA850, NLCD_AC_ENB_CS,  19,     24,     15,     2,      false)
        /* MMC/SD0 function */
        MUX_CFG(DA850, MMCSD0_DAT_0,    10,     8,      15,     2,      false)
        MUX_CFG(DA850, MMCSD0_DAT_1,    10,     12,     15,     2,      false)
        MUX_CFG(DA850, MMCSD0_DAT_2,    10,     16,     15,     2,      false)
        MUX_CFG(DA850, MMCSD0_DAT_3,    10,     20,     15,     2,      false)
        MUX_CFG(DA850, MMCSD0_CLK,      10,     0,      15,     2,      false)
        MUX_CFG(DA850, MMCSD0_CMD,      10,     4,      15,     2,      false)
        /* MMC/SD1 function */
        MUX_CFG(DA850, MMCSD1_DAT_0,    18,     8,      15,     2,      false)
        MUX_CFG(DA850, MMCSD1_DAT_1,    19,     16,     15,     2,      false)
        MUX_CFG(DA850, MMCSD1_DAT_2,    19,     12,     15,     2,      false)
        MUX_CFG(DA850, MMCSD1_DAT_3,    19,     8,      15,     2,      false)
        MUX_CFG(DA850, MMCSD1_CLK,      18,     12,     15,     2,      false)
        MUX_CFG(DA850, MMCSD1_CMD,      18,     16,     15,     2,      false)
        /* EMIF2.5/EMIFA function */
        MUX_CFG(DA850, EMA_D_7,         9,      0,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_6,         9,      4,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_5,         9,      8,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_4,         9,      12,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_3,         9,      16,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_2,         9,      20,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_1,         9,      24,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_0,         9,      28,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_1,         12,     24,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_2,         12,     20,     15,     1,      false)
        MUX_CFG(DA850, NEMA_CS_3,       7,      4,      15,     1,      false)
        MUX_CFG(DA850, NEMA_CS_4,       7,      8,      15,     1,      false)
        MUX_CFG(DA850, NEMA_WE,         7,      16,     15,     1,      false)
        MUX_CFG(DA850, NEMA_OE,         7,      20,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_0,         12,     28,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_3,         12,     16,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_4,         12,     12,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_5,         12,     8,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_6,         12,     4,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_7,         12,     0,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_8,         11,     28,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_9,         11,     24,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_10,        11,     20,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_11,        11,     16,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_12,        11,     12,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_13,        11,     8,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_14,        11,     4,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_15,        11,     0,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_16,        10,     28,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_17,        10,     24,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_18,        10,     20,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_19,        10,     16,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_20,        10,     12,     15,     1,      false)
        MUX_CFG(DA850, EMA_A_21,        10,     8,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_22,        10,     4,      15,     1,      false)
        MUX_CFG(DA850, EMA_A_23,        10,     0,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_8,         8,      28,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_9,         8,      24,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_10,        8,      20,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_11,        8,      16,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_12,        8,      12,     15,     1,      false)
        MUX_CFG(DA850, EMA_D_13,        8,      8,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_14,        8,      4,      15,     1,      false)
        MUX_CFG(DA850, EMA_D_15,        8,      0,      15,     1,      false)
        MUX_CFG(DA850, EMA_BA_1,        5,      24,     15,     1,      false)
        MUX_CFG(DA850, EMA_CLK,         6,      0,      15,     1,      false)
        MUX_CFG(DA850, EMA_WAIT_1,      6,      24,     15,     1,      false)
        MUX_CFG(DA850, NEMA_CS_2,       7,      0,      15,     1,      false)
        /* GPIO function */
        MUX_CFG(DA850, GPIO2_4,         6,      12,     15,     8,      false)
        MUX_CFG(DA850, GPIO2_6,         6,      4,      15,     8,      false)
        MUX_CFG(DA850, GPIO2_8,         5,      28,     15,     8,      false)
        MUX_CFG(DA850, GPIO2_15,        5,      0,      15,     8,      false)
        MUX_CFG(DA850, GPIO3_12,        7,      12,     15,     8,      false)
        MUX_CFG(DA850, GPIO3_13,        7,      8,      15,     8,      false)
        MUX_CFG(DA850, GPIO4_0,         10,     28,     15,     8,      false)
        MUX_CFG(DA850, GPIO4_1,         10,     24,     15,     8,      false)
        MUX_CFG(DA850, GPIO6_9,         13,     24,     15,     8,      false)
        MUX_CFG(DA850, GPIO6_10,        13,     20,     15,     8,      false)
        MUX_CFG(DA850, GPIO6_13,        13,     8,      15,     8,      false)
        MUX_CFG(DA850, RTC_ALARM,       0,      28,     15,     2,      false)
        /* VPIF Capture */
        MUX_CFG(DA850, VPIF_DIN0,       15,     4,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN1,       15,     0,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN2,       14,     28,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN3,       14,     24,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN4,       14,     20,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN5,       14,     16,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN6,       14,     12,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN7,       14,     8,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN8,       16,     4,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN9,       16,     0,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN10,      15,     28,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN11,      15,     24,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN12,      15,     20,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN13,      15,     16,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN14,      15,     12,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DIN15,      15,     8,      15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKIN0,     14,     0,      15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKIN1,     14,     4,      15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKIN2,     19,     8,      15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKIN3,     19,     16,     15,     1,      false)
        /* VPIF Display */
        MUX_CFG(DA850, VPIF_DOUT0,      17,     4,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT1,      17,     0,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT2,      16,     28,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT3,      16,     24,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT4,      16,     20,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT5,      16,     16,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT6,      16,     12,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT7,      16,     8,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT8,      18,     4,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT9,      18,     0,      15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT10,     17,     28,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT11,     17,     24,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT12,     17,     20,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT13,     17,     16,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT14,     17,     12,     15,     1,      false)
        MUX_CFG(DA850, VPIF_DOUT15,     17,     8,      15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKO2,      19,     12,     15,     1,      false)
        MUX_CFG(DA850, VPIF_CLKO3,      19,     20,     15,     1,      false)
#endif
};

static struct map_desc da850_io_desc[] = {
        {
                .virtual        = IO_VIRT,
                .pfn            = __phys_to_pfn(IO_PHYS),
                .length         = IO_SIZE,
                .type           = MT_DEVICE
        },
        {
                .virtual        = DA8XX_CP_INTC_VIRT,
                .pfn            = __phys_to_pfn(DA8XX_CP_INTC_BASE),
                .length         = DA8XX_CP_INTC_SIZE,
                .type           = MT_DEVICE
        },
};

/* Contents of JTAG ID register used to identify exact cpu type */
static struct davinci_id da850_ids[] = {
        {
                .variant        = 0x0,
                .part_no        = 0xb7d1,
                .manufacturer   = 0x017,        /* 0x02f >> 1 */
                .cpu_id         = DAVINCI_CPU_ID_DA850,
                .name           = "da850/omap-l138",
        },
        {
                .variant        = 0x1,
                .part_no        = 0xb7d1,
                .manufacturer   = 0x017,        /* 0x02f >> 1 */
                .cpu_id         = DAVINCI_CPU_ID_DA850,
                .name           = "da850/omap-l138/am18x",
        },
};

/* VPIF resource, platform data */
static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);

static struct resource da850_vpif_display_resource[] = {
        {
                .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .end   = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .flags = IORESOURCE_IRQ,
        },
};

static struct platform_device da850_vpif_display_dev = {
        .name           = "vpif_display",
        .id             = -1,
        .dev            = {
                .dma_mask               = &da850_vpif_dma_mask,
                .coherent_dma_mask      = DMA_BIT_MASK(32),
        },
        .resource       = da850_vpif_display_resource,
        .num_resources  = ARRAY_SIZE(da850_vpif_display_resource),
};

static struct resource da850_vpif_capture_resource[] = {
        {
                .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .end   = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .flags = IORESOURCE_IRQ,
        },
        {
                .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .end   = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
                .flags = IORESOURCE_IRQ,
        },
};

static struct platform_device da850_vpif_capture_dev = {
        .name           = "vpif_capture",
        .id             = -1,
        .dev            = {
                .dma_mask               = &da850_vpif_dma_mask,
                .coherent_dma_mask      = DMA_BIT_MASK(32),
        },
        .resource       = da850_vpif_capture_resource,
        .num_resources  = ARRAY_SIZE(da850_vpif_capture_resource),
};

int __init da850_register_vpif_display(struct vpif_display_config
                                                *display_config)
{
        da850_vpif_display_dev.dev.platform_data = display_config;
        return platform_device_register(&da850_vpif_display_dev);
}

int __init da850_register_vpif_capture(struct vpif_capture_config
                                                        *capture_config)
{
        da850_vpif_capture_dev.dev.platform_data = capture_config;
        return platform_device_register(&da850_vpif_capture_dev);
}

static const struct davinci_soc_info davinci_soc_info_da850 = {
        .io_desc                = da850_io_desc,
        .io_desc_num            = ARRAY_SIZE(da850_io_desc),
        .jtag_id_reg            = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
        .ids                    = da850_ids,
        .ids_num                = ARRAY_SIZE(da850_ids),
        .pinmux_base            = DA8XX_SYSCFG0_BASE + 0x120,
        .pinmux_pins            = da850_pins,
        .pinmux_pins_num        = ARRAY_SIZE(da850_pins),
        .sram_dma               = DA8XX_SHARED_RAM_BASE,
        .sram_len               = SZ_128K,
};

void __init da850_init(void)
{
        davinci_common_init(&davinci_soc_info_da850);

        da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
        if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
                return;

        da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
        WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module");
}