| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * linux/arch/arm/mach-pxa/mxm8x10.c |
| * |
| * Support for the Embedian MXM-8x10 Computer on Module |
| * |
| * Copyright (C) 2006 Marvell International Ltd. |
| * Copyright (C) 2009 Embedian Inc. |
| * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd. |
| * |
| * 2007-09-04: eric miao <eric.y.miao@gmail.com> |
| * rewrite to align with latest kernel |
| * |
| * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za> |
| * Hennie van der Merwe <hvdmerwe@tmtservices.co.za> |
| * rework for upstream merge |
| */ |
| |
| #include <linux/serial_8250.h> |
| #include <linux/dm9000.h> |
| #include <linux/gpio/machine.h> |
| #include <linux/platform_data/i2c-pxa.h> |
| |
| #include <linux/platform_data/mtd-nand-pxa3xx.h> |
| |
| #include <linux/platform_data/video-pxafb.h> |
| #include <linux/platform_data/mmc-pxamci.h> |
| #include <linux/platform_data/usb-ohci-pxa27x.h> |
| #include <linux/platform_data/asoc-pxa.h> |
| #include "pxa320.h" |
| |
| #include "mxm8x10.h" |
| |
| #include "devices.h" |
| #include "generic.h" |
| |
| /* GPIO pin definition |
| |
| External device stuff - Leave unconfigured for now... |
| --------------------- |
| GPIO0 - DREQ (External DMA Request) |
| GPIO3 - nGCS2 (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ? |
| GPIO4 - nGCS3 |
| GPIO15 - EXT_GPIO1 |
| GPIO16 - EXT_GPIO2 |
| GPIO17 - EXT_GPIO3 |
| GPIO24 - EXT_GPIO4 |
| GPIO25 - EXT_GPIO5 |
| GPIO26 - EXT_GPIO6 |
| GPIO27 - EXT_GPIO7 |
| GPIO28 - EXT_GPIO8 |
| GPIO29 - EXT_GPIO9 |
| GPIO30 - EXT_GPIO10 |
| GPIO31 - EXT_GPIO11 |
| GPIO57 - EXT_GPIO12 |
| GPIO74 - EXT_IRQ1 |
| GPIO75 - EXT_IRQ2 |
| GPIO76 - EXT_IRQ3 |
| GPIO77 - EXT_IRQ4 |
| GPIO78 - EXT_IRQ5 |
| GPIO79 - EXT_IRQ6 |
| GPIO80 - EXT_IRQ7 |
| GPIO81 - EXT_IRQ8 |
| GPIO87 - VCCIO_PWREN (External Device PWREN) |
| |
| Dallas 1-Wire - Leave unconfigured for now... |
| ------------- |
| GPIO0_2 - DS - 1Wire |
| |
| Ethernet |
| -------- |
| GPIO1 - DM9000 PWR |
| GPIO9 - DM9K_nIRQ |
| GPIO36 - DM9K_RESET |
| |
| Keypad - Leave unconfigured by for now... |
| ------ |
| GPIO1_2 - KP_DKIN0 |
| GPIO5_2 - KP_MKOUT7 |
| GPIO82 - KP_DKIN1 |
| GPIO85 - KP_DKIN2 |
| GPIO86 - KP_DKIN3 |
| GPIO113 - KP_MKIN0 |
| GPIO114 - KP_MKIN1 |
| GPIO115 - KP_MKIN2 |
| GPIO116 - KP_MKIN3 |
| GPIO117 - KP_MKIN4 |
| GPIO118 - KP_MKIN5 |
| GPIO119 - KP_MKIN6 |
| GPIO120 - KP_MKIN7 |
| GPIO121 - KP_MKOUT0 |
| GPIO122 - KP_MKOUT1 |
| GPIO122 - KP_MKOUT2 |
| GPIO123 - KP_MKOUT3 |
| GPIO124 - KP_MKOUT4 |
| GPIO125 - KP_MKOUT5 |
| GPIO127 - KP_MKOUT6 |
| |
| Data Bus - Leave unconfigured for now... |
| -------- |
| GPIO2 - nWait (Data Bus) |
| |
| USB Device |
| ---------- |
| GPIO4_2 - USBD_PULLUP |
| GPIO10 - UTM_CLK (USB Device UTM Clk) |
| GPIO49 - USB 2.0 Device UTM_DATA0 |
| GPIO50 - USB 2.0 Device UTM_DATA1 |
| GPIO51 - USB 2.0 Device UTM_DATA2 |
| GPIO52 - USB 2.0 Device UTM_DATA3 |
| GPIO53 - USB 2.0 Device UTM_DATA4 |
| GPIO54 - USB 2.0 Device UTM_DATA5 |
| GPIO55 - USB 2.0 Device UTM_DATA6 |
| GPIO56 - USB 2.0 Device UTM_DATA7 |
| GPIO58 - UTM_RXVALID (USB 2.0 Device) |
| GPIO59 - UTM_RXACTIVE (USB 2.0 Device) |
| GPIO60 - UTM_RXERROR |
| GPIO61 - UTM_OPMODE0 |
| GPIO62 - UTM_OPMODE1 |
| GPIO71 - USBD_INT (USB Device?) |
| GPIO73 - UTM_TXREADY (USB 2.0 Device) |
| GPIO83 - UTM_TXVALID (USB 2.0 Device) |
| GPIO98 - UTM_RESET (USB 2.0 device) |
| GPIO99 - UTM_XCVR_SELECT |
| GPIO100 - UTM_TERM_SELECT |
| GPIO101 - UTM_SUSPENDM_X |
| GPIO102 - UTM_LINESTATE0 |
| GPIO103 - UTM_LINESTATE1 |
| |
| Card-Bus Interface - Leave unconfigured for now... |
| ------------------ |
| GPIO5 - nPIOR (I/O space output enable) |
| GPIO6 - nPIOW (I/O space write enable) |
| GPIO7 - nIOS16 (Input from I/O space telling size of data bus) |
| GPIO8 - nPWAIT (Input for inserting wait states) |
| |
| LCD |
| --- |
| GPIO6_2 - LDD0 |
| GPIO7_2 - LDD1 |
| GPIO8_2 - LDD2 |
| GPIO9_2 - LDD3 |
| GPIO11_2 - LDD5 |
| GPIO12_2 - LDD6 |
| GPIO13_2 - LDD7 |
| GPIO14_2 - VSYNC |
| GPIO15_2 - HSYNC |
| GPIO16_2 - VCLK |
| GPIO17_2 - HCLK |
| GPIO18_2 - VDEN |
| GPIO63 - LDD8 (CPU LCD) |
| GPIO64 - LDD9 (CPU LCD) |
| GPIO65 - LDD10 (CPU LCD) |
| GPIO66 - LDD11 (CPU LCD) |
| GPIO67 - LDD12 (CPU LCD) |
| GPIO68 - LDD13 (CPU LCD) |
| GPIO69 - LDD14 (CPU LCD) |
| GPIO70 - LDD15 (CPU LCD) |
| GPIO88 - VCCLCD_PWREN (LCD Panel PWREN) |
| GPIO97 - BACKLIGHT_EN |
| GPIO104 - LCD_PWREN |
| |
| PWM - Leave unconfigured for now... |
| --- |
| GPIO11 - PWM0 |
| GPIO12 - PWM1 |
| GPIO13 - PWM2 |
| GPIO14 - PWM3 |
| |
| SD-CARD |
| ------- |
| GPIO18 - SDDATA0 |
| GPIO19 - SDDATA1 |
| GPIO20 - SDDATA2 |
| GPIO21 - SDDATA3 |
| GPIO22 - SDCLK |
| GPIO23 - SDCMD |
| GPIO72 - SD_WP |
| GPIO84 - SD_nIRQ_CD (SD-Card) |
| |
| I2C |
| --- |
| GPIO32 - I2CSCL |
| GPIO33 - I2CSDA |
| |
| AC97 |
| ---- |
| GPIO35 - AC97_SDATA_IN |
| GPIO37 - AC97_SDATA_OUT |
| GPIO38 - AC97_SYNC |
| GPIO39 - AC97_BITCLK |
| GPIO40 - AC97_nRESET |
| |
| UART1 |
| ----- |
| GPIO41 - UART_RXD1 |
| GPIO42 - UART_TXD1 |
| GPIO43 - UART_CTS1 |
| GPIO44 - UART_DCD1 |
| GPIO45 - UART_DSR1 |
| GPIO46 - UART_nRI1 |
| GPIO47 - UART_DTR1 |
| GPIO48 - UART_RTS1 |
| |
| UART2 |
| ----- |
| GPIO109 - RTS2 |
| GPIO110 - RXD2 |
| GPIO111 - TXD2 |
| GPIO112 - nCTS2 |
| |
| UART3 |
| ----- |
| GPIO105 - nCTS3 |
| GPIO106 - nRTS3 |
| GPIO107 - TXD3 |
| GPIO108 - RXD3 |
| |
| SSP3 - Leave unconfigured for now... |
| ---- |
| GPIO89 - SSP3_CLK |
| GPIO90 - SSP3_SFRM |
| GPIO91 - SSP3_TXD |
| GPIO92 - SSP3_RXD |
| |
| SSP4 |
| GPIO93 - SSP4_CLK |
| GPIO94 - SSP4_SFRM |
| GPIO95 - SSP4_TXD |
| GPIO96 - SSP4_RXD |
| */ |
| |
| static mfp_cfg_t mfp_cfg[] __initdata = { |
| /* USB */ |
| GPIO10_UTM_CLK, |
| GPIO49_U2D_PHYDATA_0, |
| GPIO50_U2D_PHYDATA_1, |
| GPIO51_U2D_PHYDATA_2, |
| GPIO52_U2D_PHYDATA_3, |
| GPIO53_U2D_PHYDATA_4, |
| GPIO54_U2D_PHYDATA_5, |
| GPIO55_U2D_PHYDATA_6, |
| GPIO56_U2D_PHYDATA_7, |
| GPIO58_UTM_RXVALID, |
| GPIO59_UTM_RXACTIVE, |
| GPIO60_U2D_RXERROR, |
| GPIO61_U2D_OPMODE0, |
| GPIO62_U2D_OPMODE1, |
| GPIO71_GPIO, /* USBD_INT */ |
| GPIO73_UTM_TXREADY, |
| GPIO83_U2D_TXVALID, |
| GPIO98_U2D_RESET, |
| GPIO99_U2D_XCVR_SEL, |
| GPIO100_U2D_TERM_SEL, |
| GPIO101_U2D_SUSPEND, |
| GPIO102_UTM_LINESTATE_0, |
| GPIO103_UTM_LINESTATE_1, |
| GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */ |
| |
| /* DM9000 */ |
| GPIO1_GPIO, |
| GPIO9_GPIO, |
| GPIO36_GPIO, |
| |
| /* AC97 */ |
| GPIO35_AC97_SDATA_IN_0, |
| GPIO37_AC97_SDATA_OUT, |
| GPIO38_AC97_SYNC, |
| GPIO39_AC97_BITCLK, |
| GPIO40_AC97_nACRESET, |
| |
| /* UARTS */ |
| GPIO41_UART1_RXD, |
| GPIO42_UART1_TXD, |
| GPIO43_UART1_CTS, |
| GPIO44_UART1_DCD, |
| GPIO45_UART1_DSR, |
| GPIO46_UART1_RI, |
| GPIO47_UART1_DTR, |
| GPIO48_UART1_RTS, |
| |
| GPIO109_UART2_RTS, |
| GPIO110_UART2_RXD, |
| GPIO111_UART2_TXD, |
| GPIO112_UART2_CTS, |
| |
| GPIO105_UART3_CTS, |
| GPIO106_UART3_RTS, |
| GPIO107_UART3_TXD, |
| GPIO108_UART3_RXD, |
| |
| GPIO78_GPIO, |
| GPIO79_GPIO, |
| GPIO80_GPIO, |
| GPIO81_GPIO, |
| |
| /* I2C */ |
| GPIO32_I2C_SCL, |
| GPIO33_I2C_SDA, |
| |
| /* MMC */ |
| GPIO18_MMC1_DAT0, |
| GPIO19_MMC1_DAT1, |
| GPIO20_MMC1_DAT2, |
| GPIO21_MMC1_DAT3, |
| GPIO22_MMC1_CLK, |
| GPIO23_MMC1_CMD, |
| GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */ |
| GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */ |
| |
| /* IRQ */ |
| GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */ |
| GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */ |
| GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */ |
| GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */ |
| GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */ |
| GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */ |
| GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */ |
| GPIO81_GPIO | MFP_LPM_EDGE_RISE /* EXT_IRQ8 */ |
| }; |
| |
| /* MMC/MCI Support */ |
| #if defined(CONFIG_MMC) |
| static struct pxamci_platform_data mxm_8x10_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
| .detect_delay_ms = 10, |
| }; |
| |
| static struct gpiod_lookup_table mxm_8x10_mci_gpio_table = { |
| .dev_id = "pxa2xx-mci.0", |
| .table = { |
| /* Card detect on GPIO 72 */ |
| GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_nCD, |
| "cd", GPIO_ACTIVE_LOW), |
| /* Write protect on GPIO 84 */ |
| GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_WP, |
| "wp", GPIO_ACTIVE_LOW), |
| { }, |
| }, |
| }; |
| |
| void __init mxm_8x10_mmc_init(void) |
| { |
| gpiod_add_lookup_table(&mxm_8x10_mci_gpio_table); |
| pxa_set_mci_info(&mxm_8x10_mci_platform_data); |
| } |
| #endif |
| |
| /* USB Open Host Controller Interface */ |
| static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = { |
| .port_mode = PMM_NPS_MODE, |
| .flags = ENABLE_PORT_ALL |
| }; |
| |
| void __init mxm_8x10_usb_host_init(void) |
| { |
| pxa_set_ohci_info(&mxm_8x10_ohci_platform_data); |
| } |
| |
| void __init mxm_8x10_ac97_init(void) |
| { |
| pxa_set_ac97_info(NULL); |
| } |
| |
| /* NAND flash Support */ |
| #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL) |
| #define NAND_BLOCK_SIZE SZ_128K |
| #define NB(x) (NAND_BLOCK_SIZE * (x)) |
| static struct mtd_partition mxm_8x10_nand_partitions[] = { |
| [0] = { |
| .name = "boot", |
| .size = NB(0x002), |
| .offset = NB(0x000), |
| .mask_flags = MTD_WRITEABLE |
| }, |
| [1] = { |
| .name = "kernel", |
| .size = NB(0x010), |
| .offset = NB(0x002), |
| .mask_flags = MTD_WRITEABLE |
| }, |
| [2] = { |
| .name = "root", |
| .size = NB(0x36c), |
| .offset = NB(0x012) |
| }, |
| [3] = { |
| .name = "bbt", |
| .size = NB(0x082), |
| .offset = NB(0x37e), |
| .mask_flags = MTD_WRITEABLE |
| } |
| }; |
| |
| static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = { |
| .keep_config = 1, |
| .parts = mxm_8x10_nand_partitions, |
| .nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions) |
| }; |
| |
| static void __init mxm_8x10_nand_init(void) |
| { |
| pxa3xx_set_nand_info(&mxm_8x10_nand_info); |
| } |
| #else |
| static inline void mxm_8x10_nand_init(void) {} |
| #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */ |
| |
| /* Ethernet support: Davicom DM9000 */ |
| static struct resource dm9k_resources[] = { |
| [0] = { |
| .start = MXM_8X10_ETH_PHYS + 0x300, |
| .end = MXM_8X10_ETH_PHYS + 0x300, |
| .flags = IORESOURCE_MEM |
| }, |
| [1] = { |
| .start = MXM_8X10_ETH_PHYS + 0x308, |
| .end = MXM_8X10_ETH_PHYS + 0x308, |
| .flags = IORESOURCE_MEM |
| }, |
| [2] = { |
| .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), |
| .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
| } |
| }; |
| |
| static struct dm9000_plat_data dm9k_plat_data = { |
| .flags = DM9000_PLATF_16BITONLY |
| }; |
| |
| static struct platform_device dm9k_device = { |
| .name = "dm9000", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(dm9k_resources), |
| .resource = dm9k_resources, |
| .dev = { |
| .platform_data = &dm9k_plat_data |
| } |
| }; |
| |
| static void __init mxm_8x10_ethernet_init(void) |
| { |
| platform_device_register(&dm9k_device); |
| } |
| |
| /* PXA UARTs */ |
| static void __init mxm_8x10_uarts_init(void) |
| { |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| } |
| |
| /* I2C and Real Time Clock */ |
| static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("ds1337", 0x68) |
| } |
| }; |
| |
| static void __init mxm_8x10_i2c_init(void) |
| { |
| i2c_register_board_info(0, mxm_8x10_i2c_devices, |
| ARRAY_SIZE(mxm_8x10_i2c_devices)); |
| pxa_set_i2c_info(NULL); |
| } |
| |
| void __init mxm_8x10_barebones_init(void) |
| { |
| pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg)); |
| |
| mxm_8x10_uarts_init(); |
| mxm_8x10_nand_init(); |
| mxm_8x10_i2c_init(); |
| mxm_8x10_ethernet_init(); |
| } |
