mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 03:06:43 +07:00
9599d1dbc2
Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Eric Miao <eric.miao@marvell.com>
347 lines
7.1 KiB
C
347 lines
7.1 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/cm-x270.c
|
|
*
|
|
* Copyright (C) 2007, 2008 CompuLab, Ltd.
|
|
* Mike Rapoport <mike@compulab.co.il>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/sysdev.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/gpio.h>
|
|
|
|
#include <linux/rtc-v3020.h>
|
|
#include <video/mbxfb.h>
|
|
|
|
#include <mach/pxa27x.h>
|
|
#include <mach/ohci.h>
|
|
#include <mach/mmc.h>
|
|
|
|
#include "generic.h"
|
|
|
|
/* physical address if local-bus attached devices */
|
|
#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
|
|
|
|
/* GPIO IRQ usage */
|
|
#define GPIO83_MMC_IRQ (83)
|
|
|
|
#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
|
|
|
|
/* MMC power enable */
|
|
#define GPIO105_MMC_POWER (105)
|
|
|
|
static unsigned long cmx270_pin_config[] = {
|
|
/* AC'97 */
|
|
GPIO28_AC97_BITCLK,
|
|
GPIO29_AC97_SDATA_IN_0,
|
|
GPIO30_AC97_SDATA_OUT,
|
|
GPIO31_AC97_SYNC,
|
|
GPIO98_AC97_SYSCLK,
|
|
GPIO113_AC97_nRESET,
|
|
|
|
/* BTUART */
|
|
GPIO42_BTUART_RXD,
|
|
GPIO43_BTUART_TXD,
|
|
GPIO44_BTUART_CTS,
|
|
GPIO45_BTUART_RTS,
|
|
|
|
/* STUART */
|
|
GPIO46_STUART_RXD,
|
|
GPIO47_STUART_TXD,
|
|
|
|
/* MCI controller */
|
|
GPIO32_MMC_CLK,
|
|
GPIO112_MMC_CMD,
|
|
GPIO92_MMC_DAT_0,
|
|
GPIO109_MMC_DAT_1,
|
|
GPIO110_MMC_DAT_2,
|
|
GPIO111_MMC_DAT_3,
|
|
|
|
/* LCD */
|
|
GPIO58_LCD_LDD_0,
|
|
GPIO59_LCD_LDD_1,
|
|
GPIO60_LCD_LDD_2,
|
|
GPIO61_LCD_LDD_3,
|
|
GPIO62_LCD_LDD_4,
|
|
GPIO63_LCD_LDD_5,
|
|
GPIO64_LCD_LDD_6,
|
|
GPIO65_LCD_LDD_7,
|
|
GPIO66_LCD_LDD_8,
|
|
GPIO67_LCD_LDD_9,
|
|
GPIO68_LCD_LDD_10,
|
|
GPIO69_LCD_LDD_11,
|
|
GPIO70_LCD_LDD_12,
|
|
GPIO71_LCD_LDD_13,
|
|
GPIO72_LCD_LDD_14,
|
|
GPIO73_LCD_LDD_15,
|
|
GPIO74_LCD_FCLK,
|
|
GPIO75_LCD_LCLK,
|
|
GPIO76_LCD_PCLK,
|
|
GPIO77_LCD_BIAS,
|
|
|
|
/* I2C */
|
|
GPIO117_I2C_SCL,
|
|
GPIO118_I2C_SDA,
|
|
|
|
/* SSP1 */
|
|
GPIO23_SSP1_SCLK,
|
|
GPIO24_SSP1_SFRM,
|
|
GPIO25_SSP1_TXD,
|
|
GPIO26_SSP1_RXD,
|
|
|
|
/* SSP2 */
|
|
GPIO19_SSP2_SCLK,
|
|
GPIO14_SSP2_SFRM,
|
|
GPIO87_SSP2_TXD,
|
|
GPIO88_SSP2_RXD,
|
|
|
|
/* PC Card */
|
|
GPIO48_nPOE,
|
|
GPIO49_nPWE,
|
|
GPIO50_nPIOR,
|
|
GPIO51_nPIOW,
|
|
GPIO85_nPCE_1,
|
|
GPIO54_nPCE_2,
|
|
GPIO55_nPREG,
|
|
GPIO56_nPWAIT,
|
|
GPIO57_nIOIS16,
|
|
|
|
/* SDRAM and local bus */
|
|
GPIO15_nCS_1,
|
|
GPIO78_nCS_2,
|
|
GPIO79_nCS_3,
|
|
GPIO80_nCS_4,
|
|
GPIO33_nCS_5,
|
|
GPIO49_nPWE,
|
|
GPIO18_RDY,
|
|
|
|
/* GPIO */
|
|
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
|
|
GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
|
|
GPIO53_GPIO, /* PC card reset */
|
|
|
|
/* NAND controls */
|
|
GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
|
|
GPIO89_GPIO, /* NAND Ready/Busy */
|
|
|
|
/* interrupts */
|
|
GPIO10_GPIO, /* DM9000 interrupt */
|
|
GPIO83_GPIO, /* MMC card detect */
|
|
};
|
|
|
|
/* V3020 RTC */
|
|
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
|
|
static struct resource cmx270_v3020_resource[] = {
|
|
[0] = {
|
|
.start = RTC_PHYS_BASE,
|
|
.end = RTC_PHYS_BASE + 4,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
struct v3020_platform_data cmx270_v3020_pdata = {
|
|
.leftshift = 16,
|
|
};
|
|
|
|
static struct platform_device cmx270_rtc_device = {
|
|
.name = "v3020",
|
|
.num_resources = ARRAY_SIZE(cmx270_v3020_resource),
|
|
.resource = cmx270_v3020_resource,
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &cmx270_v3020_pdata,
|
|
}
|
|
};
|
|
|
|
static void __init cmx270_init_rtc(void)
|
|
{
|
|
platform_device_register(&cmx270_rtc_device);
|
|
}
|
|
#else
|
|
static inline void cmx270_init_rtc(void) {}
|
|
#endif
|
|
|
|
/* 2700G graphics */
|
|
#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
|
|
static u64 fb_dma_mask = ~(u64)0;
|
|
|
|
static struct resource cmx270_2700G_resource[] = {
|
|
/* frame buffer memory including ODFB and External SDRAM */
|
|
[0] = {
|
|
.start = PXA_CS2_PHYS,
|
|
.end = PXA_CS2_PHYS + 0x01ffffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
/* Marathon registers */
|
|
[1] = {
|
|
.start = PXA_CS2_PHYS + 0x03fe0000,
|
|
.end = PXA_CS2_PHYS + 0x03ffffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static unsigned long save_lcd_regs[10];
|
|
|
|
static int cmx270_marathon_probe(struct fb_info *fb)
|
|
{
|
|
/* save PXA-270 pin settings before enabling 2700G */
|
|
save_lcd_regs[0] = GPDR1;
|
|
save_lcd_regs[1] = GPDR2;
|
|
save_lcd_regs[2] = GAFR1_U;
|
|
save_lcd_regs[3] = GAFR2_L;
|
|
save_lcd_regs[4] = GAFR2_U;
|
|
|
|
/* Disable PXA-270 on-chip controller driving pins */
|
|
GPDR1 &= ~(0xfc000000);
|
|
GPDR2 &= ~(0x00c03fff);
|
|
GAFR1_U &= ~(0xfff00000);
|
|
GAFR2_L &= ~(0x0fffffff);
|
|
GAFR2_U &= ~(0x0000f000);
|
|
return 0;
|
|
}
|
|
|
|
static int cmx270_marathon_remove(struct fb_info *fb)
|
|
{
|
|
GPDR1 = save_lcd_regs[0];
|
|
GPDR2 = save_lcd_regs[1];
|
|
GAFR1_U = save_lcd_regs[2];
|
|
GAFR2_L = save_lcd_regs[3];
|
|
GAFR2_U = save_lcd_regs[4];
|
|
return 0;
|
|
}
|
|
|
|
static struct mbxfb_platform_data cmx270_2700G_data = {
|
|
.xres = {
|
|
.min = 240,
|
|
.max = 1200,
|
|
.defval = 640,
|
|
},
|
|
.yres = {
|
|
.min = 240,
|
|
.max = 1200,
|
|
.defval = 480,
|
|
},
|
|
.bpp = {
|
|
.min = 16,
|
|
.max = 32,
|
|
.defval = 16,
|
|
},
|
|
.memsize = 8*1024*1024,
|
|
.probe = cmx270_marathon_probe,
|
|
.remove = cmx270_marathon_remove,
|
|
};
|
|
|
|
static struct platform_device cmx270_2700G = {
|
|
.name = "mbx-fb",
|
|
.dev = {
|
|
.platform_data = &cmx270_2700G_data,
|
|
.dma_mask = &fb_dma_mask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
},
|
|
.num_resources = ARRAY_SIZE(cmx270_2700G_resource),
|
|
.resource = cmx270_2700G_resource,
|
|
.id = -1,
|
|
};
|
|
|
|
static void __init cmx270_init_2700G(void)
|
|
{
|
|
platform_device_register(&cmx270_2700G);
|
|
}
|
|
#else
|
|
static inline void cmx270_init_2700G(void) {}
|
|
#endif
|
|
|
|
/* PXA27x OHCI controller setup */
|
|
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
|
|
static struct pxaohci_platform_data cmx270_ohci_platform_data = {
|
|
.port_mode = PMM_PERPORT_MODE,
|
|
.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
|
|
};
|
|
|
|
static void __init cmx270_init_ohci(void)
|
|
{
|
|
pxa_set_ohci_info(&cmx270_ohci_platform_data);
|
|
}
|
|
#else
|
|
static inline void cmx270_init_ohci(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
|
|
static int cmx270_mci_init(struct device *dev,
|
|
irq_handler_t cmx270_detect_int,
|
|
void *data)
|
|
{
|
|
int err;
|
|
|
|
err = gpio_request(GPIO105_MMC_POWER, "MMC/SD power");
|
|
if (err) {
|
|
dev_warn(dev, "power gpio unavailable\n");
|
|
return err;
|
|
}
|
|
|
|
gpio_direction_output(GPIO105_MMC_POWER, 0);
|
|
|
|
err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
|
|
IRQF_DISABLED | IRQF_TRIGGER_FALLING,
|
|
"MMC card detect", data);
|
|
if (err) {
|
|
gpio_free(GPIO105_MMC_POWER);
|
|
dev_err(dev, "cmx270_mci_init: MMC/SD: can't"
|
|
" request MMC card detect IRQ\n");
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
|
|
{
|
|
struct pxamci_platform_data *p_d = dev->platform_data;
|
|
|
|
if ((1 << vdd) & p_d->ocr_mask) {
|
|
dev_dbg(dev, "power on\n");
|
|
gpio_set_value(GPIO105_MMC_POWER, 0);
|
|
} else {
|
|
gpio_set_value(GPIO105_MMC_POWER, 1);
|
|
dev_dbg(dev, "power off\n");
|
|
}
|
|
}
|
|
|
|
static void cmx270_mci_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(CMX270_MMC_IRQ, data);
|
|
gpio_free(GPIO105_MMC_POWER);
|
|
}
|
|
|
|
static struct pxamci_platform_data cmx270_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.init = cmx270_mci_init,
|
|
.setpower = cmx270_mci_setpower,
|
|
.exit = cmx270_mci_exit,
|
|
};
|
|
|
|
static void __init cmx270_init_mmc(void)
|
|
{
|
|
pxa_set_mci_info(&cmx270_mci_platform_data);
|
|
}
|
|
#else
|
|
static inline void cmx270_init_mmc(void) {}
|
|
#endif
|
|
|
|
void __init cmx270_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
|
|
|
|
#ifdef CONFIG_PM
|
|
pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
|
|
#endif
|
|
|
|
cmx270_init_rtc();
|
|
cmx270_init_mmc();
|
|
cmx270_init_ohci();
|
|
cmx270_init_2700G();
|
|
}
|