Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 590 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-s3c24xx/mach-bast.c
new file mode 100644
index 000000000..a7c3955ae
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/mach-bast.c
@@ -0,0 +1,590 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright 2003-2008 Simtec Electronics
+//   Ben Dooks <ben@simtec.co.uk>
+//
+// http://www.simtec.co.uk/products/EB2410ITX/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/syscore_ops.h>
+#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
+#include <linux/platform_device.h>
+#include <linux/dm9000.h>
+#include <linux/ata_platform.h>
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/serial_8250.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/platform_data/asoc-s3c24xx_simtec.h>
+#include <linux/platform_data/hwmon-s3c.h>
+#include <linux/platform_data/i2c-s3c2410.h>
+#include <linux/platform_data/mtd-nand-s3c2410.h>
+
+#include <net/ax88796.h>
+
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach-types.h>
+
+#include <mach/fb.h>
+#include <mach/hardware.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
+
+#include <plat/cpu.h>
+#include <plat/cpu-freq.h>
+#include <plat/devs.h>
+#include <plat/gpio-cfg.h>
+#include <plat/samsung-time.h>
+
+#include "bast.h"
+#include "common.h"
+#include "simtec.h"
+
+#define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics"
+
+/* macros for virtual address mods for the io space entries */
+#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
+#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
+#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
+#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
+
+/* macros to modify the physical addresses for io space */
+
+#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
+#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
+#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
+#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
+
+static struct map_desc bast_iodesc[] __initdata = {
+  /* ISA IO areas */
+  {
+	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+	  .pfn		= PA_CS2(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
+	  .pfn		= PA_CS3(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  },
+  /* bast CPLD control registers, and external interrupt controls */
+  {
+	  .virtual	= (u32)BAST_VA_CTRL1,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL1),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL2,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL2),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL3,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL3),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL4,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL4),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  },
+  /* PC104 IRQ mux */
+  {
+	  .virtual	= (u32)BAST_VA_PC104_IRQREQ,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQREQ),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_PC104_IRQRAW,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQRAW),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_PC104_IRQMASK,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQMASK),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  },
+
+  /* peripheral space... one for each of fast/slow/byte/16bit */
+  /* note, ide is only decoded in word space, even though some registers
+   * are only 8bit */
+
+  /* slow, byte */
+  { VA_C2(BAST_VA_ISAIO),   PA_CS2(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
+  { VA_C2(BAST_VA_ISAMEM),  PA_CS2(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
+  { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
+
+  /* slow, word */
+  { VA_C3(BAST_VA_ISAIO),   PA_CS3(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
+  { VA_C3(BAST_VA_ISAMEM),  PA_CS3(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
+  { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
+
+  /* fast, byte */
+  { VA_C4(BAST_VA_ISAIO),   PA_CS4(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
+  { VA_C4(BAST_VA_ISAMEM),  PA_CS4(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
+  { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
+
+  /* fast, word */
+  { VA_C5(BAST_VA_ISAIO),   PA_CS5(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
+  { VA_C5(BAST_VA_ISAMEM),  PA_CS5(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
+  { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
+};
+
+#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	/* port 2 is not actually used */
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	}
+};
+
+/* NAND Flash on BAST board */
+
+#ifdef CONFIG_PM
+static int bast_pm_suspend(void)
+{
+	/* ensure that an nRESET is not generated on resume. */
+	gpio_direction_output(S3C2410_GPA(21), 1);
+	return 0;
+}
+
+static void bast_pm_resume(void)
+{
+	s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
+}
+
+#else
+#define bast_pm_suspend NULL
+#define bast_pm_resume NULL
+#endif
+
+static struct syscore_ops bast_pm_syscore_ops = {
+	.suspend	= bast_pm_suspend,
+	.resume		= bast_pm_resume,
+};
+
+static int smartmedia_map[] = { 0 };
+static int chip0_map[] = { 1 };
+static int chip1_map[] = { 2 };
+static int chip2_map[] = { 3 };
+
+static struct mtd_partition __initdata bast_default_nand_part[] = {
+	[0] = {
+		.name	= "Boot Agent",
+		.size	= SZ_16K,
+		.offset	= 0,
+	},
+	[1] = {
+		.name	= "/boot",
+		.size	= SZ_4M - SZ_16K,
+		.offset	= SZ_16K,
+	},
+	[2] = {
+		.name	= "user",
+		.offset	= SZ_4M,
+		.size	= MTDPART_SIZ_FULL,
+	}
+};
+
+/* the bast has 4 selectable slots for nand-flash, the three
+ * on-board chip areas, as well as the external SmartMedia
+ * slot.
+ *
+ * Note, there is no current hot-plug support for the SmartMedia
+ * socket.
+*/
+
+static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
+	[0] = {
+		.name		= "SmartMedia",
+		.nr_chips	= 1,
+		.nr_map		= smartmedia_map,
+		.options        = NAND_SCAN_SILENT_NODEV,
+		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
+		.partitions	= bast_default_nand_part,
+	},
+	[1] = {
+		.name		= "chip0",
+		.nr_chips	= 1,
+		.nr_map		= chip0_map,
+		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
+		.partitions	= bast_default_nand_part,
+	},
+	[2] = {
+		.name		= "chip1",
+		.nr_chips	= 1,
+		.nr_map		= chip1_map,
+		.options        = NAND_SCAN_SILENT_NODEV,
+		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
+		.partitions	= bast_default_nand_part,
+	},
+	[3] = {
+		.name		= "chip2",
+		.nr_chips	= 1,
+		.nr_map		= chip2_map,
+		.options        = NAND_SCAN_SILENT_NODEV,
+		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
+		.partitions	= bast_default_nand_part,
+	}
+};
+
+static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
+{
+	unsigned int tmp;
+
+	slot = set->nr_map[slot] & 3;
+
+	pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
+		 slot, set, set->nr_map);
+
+	tmp = __raw_readb(BAST_VA_CTRL2);
+	tmp &= BAST_CPLD_CTLR2_IDERST;
+	tmp |= slot;
+	tmp |= BAST_CPLD_CTRL2_WNAND;
+
+	pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
+
+	__raw_writeb(tmp, BAST_VA_CTRL2);
+}
+
+static struct s3c2410_platform_nand __initdata bast_nand_info = {
+	.tacls		= 30,
+	.twrph0		= 60,
+	.twrph1		= 60,
+	.nr_sets	= ARRAY_SIZE(bast_nand_sets),
+	.sets		= bast_nand_sets,
+	.select_chip	= bast_nand_select,
+	.ecc_mode       = NAND_ECC_SOFT,
+};
+
+/* DM9000 */
+
+static struct resource bast_dm9k_resource[] = {
+	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000, 4),
+	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000 + 0x40, 0x40),
+	[2] = DEFINE_RES_NAMED(BAST_IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \
+					| IORESOURCE_IRQ_HIGHLEVEL),
+};
+
+/* for the moment we limit ourselves to 16bit IO until some
+ * better IO routines can be written and tested
+*/
+
+static struct dm9000_plat_data bast_dm9k_platdata = {
+	.flags		= DM9000_PLATF_16BITONLY,
+};
+
+static struct platform_device bast_device_dm9k = {
+	.name		= "dm9000",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(bast_dm9k_resource),
+	.resource	= bast_dm9k_resource,
+	.dev		= {
+		.platform_data = &bast_dm9k_platdata,
+	}
+};
+
+/* serial devices */
+
+#define SERIAL_BASE  (S3C2410_CS2 + BAST_PA_SUPERIO)
+#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
+#define SERIAL_CLK   (1843200)
+
+static struct plat_serial8250_port bast_sio_data[] = {
+	[0] = {
+		.mapbase	= SERIAL_BASE + 0x2f8,
+		.irq		= BAST_IRQ_PCSERIAL1,
+		.flags		= SERIAL_FLAGS,
+		.iotype		= UPIO_MEM,
+		.regshift	= 0,
+		.uartclk	= SERIAL_CLK,
+	},
+	[1] = {
+		.mapbase	= SERIAL_BASE + 0x3f8,
+		.irq		= BAST_IRQ_PCSERIAL2,
+		.flags		= SERIAL_FLAGS,
+		.iotype		= UPIO_MEM,
+		.regshift	= 0,
+		.uartclk	= SERIAL_CLK,
+	},
+	{ }
+};
+
+static struct platform_device bast_sio = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= &bast_sio_data,
+	},
+};
+
+/* we have devices on the bus which cannot work much over the
+ * standard 100KHz i2c bus frequency
+*/
+
+static struct s3c2410_platform_i2c __initdata bast_i2c_info = {
+	.flags		= 0,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+};
+
+/* Asix AX88796 10/100 ethernet controller */
+
+static struct ax_plat_data bast_asix_platdata = {
+	.flags		= AXFLG_MAC_FROMDEV,
+	.wordlength	= 2,
+	.dcr_val	= 0x48,
+	.rcr_val	= 0x40,
+};
+
+static struct resource bast_asix_resource[] = {
+	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET, 0x18 * 0x20),
+	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), 1),
+	[2] = DEFINE_RES_IRQ(BAST_IRQ_ASIX),
+};
+
+static struct platform_device bast_device_asix = {
+	.name		= "ax88796",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(bast_asix_resource),
+	.resource	= bast_asix_resource,
+	.dev		= {
+		.platform_data = &bast_asix_platdata
+	}
+};
+
+/* Asix AX88796 10/100 ethernet controller parallel port */
+
+static struct resource bast_asixpp_resource[] = {
+	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20), \
+					0x30 * 0x20),
+};
+
+static struct platform_device bast_device_axpp = {
+	.name		= "ax88796-pp",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(bast_asixpp_resource),
+	.resource	= bast_asixpp_resource,
+};
+
+/* LCD/VGA controller */
+
+static struct s3c2410fb_display __initdata bast_lcd_info[] = {
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 640,
+		.height		= 480,
+
+		.pixclock	= 33333,
+		.xres		= 640,
+		.yres		= 480,
+		.bpp		= 4,
+		.left_margin	= 40,
+		.right_margin	= 20,
+		.hsync_len	= 88,
+		.upper_margin	= 30,
+		.lower_margin	= 32,
+		.vsync_len	= 3,
+
+		.lcdcon5	= 0x00014b02,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 640,
+		.height		= 480,
+
+		.pixclock	= 33333,
+		.xres		= 640,
+		.yres		= 480,
+		.bpp		= 8,
+		.left_margin	= 40,
+		.right_margin	= 20,
+		.hsync_len	= 88,
+		.upper_margin	= 30,
+		.lower_margin	= 32,
+		.vsync_len	= 3,
+
+		.lcdcon5	= 0x00014b02,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 640,
+		.height		= 480,
+
+		.pixclock	= 33333,
+		.xres		= 640,
+		.yres		= 480,
+		.bpp		= 16,
+		.left_margin	= 40,
+		.right_margin	= 20,
+		.hsync_len	= 88,
+		.upper_margin	= 30,
+		.lower_margin	= 32,
+		.vsync_len	= 3,
+
+		.lcdcon5	= 0x00014b02,
+	},
+};
+
+/* LCD/VGA controller */
+
+static struct s3c2410fb_mach_info __initdata bast_fb_info = {
+
+	.displays = bast_lcd_info,
+	.num_displays = ARRAY_SIZE(bast_lcd_info),
+	.default_display = 1,
+};
+
+/* I2C devices fitted. */
+
+static struct i2c_board_info bast_i2c_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("tlv320aic23", 0x1a),
+	}, {
+		I2C_BOARD_INFO("simtec-pmu", 0x6b),
+	}, {
+		I2C_BOARD_INFO("ch7013", 0x75),
+	},
+};
+
+static struct s3c_hwmon_pdata bast_hwmon_info = {
+	/* LCD contrast (0-6.6V) */
+	.in[0] = &(struct s3c_hwmon_chcfg) {
+		.name		= "lcd-contrast",
+		.mult		= 3300,
+		.div		= 512,
+	},
+	/* LED current feedback */
+	.in[1] = &(struct s3c_hwmon_chcfg) {
+		.name		= "led-feedback",
+		.mult		= 3300,
+		.div		= 1024,
+	},
+	/* LCD feedback (0-6.6V) */
+	.in[2] = &(struct s3c_hwmon_chcfg) {
+		.name		= "lcd-feedback",
+		.mult		= 3300,
+		.div		= 512,
+	},
+	/* Vcore (1.8-2.0V), Vref 3.3V  */
+	.in[3] = &(struct s3c_hwmon_chcfg) {
+		.name		= "vcore",
+		.mult		= 3300,
+		.div		= 1024,
+	},
+};
+
+/* Standard BAST devices */
+// cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0
+
+static struct platform_device *bast_devices[] __initdata = {
+	&s3c2410_device_dclk,
+	&s3c_device_ohci,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c0,
+ 	&s3c_device_rtc,
+	&s3c_device_nand,
+	&s3c_device_adc,
+	&s3c_device_hwmon,
+	&bast_device_dm9k,
+	&bast_device_asix,
+	&bast_device_axpp,
+	&bast_sio,
+};
+
+static struct s3c_cpufreq_board __initdata bast_cpufreq = {
+	.refresh	= 7800, /* 7.8usec */
+	.auto_io	= 1,
+	.need_io	= 1,
+};
+
+static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = {
+	.have_mic	= 1,
+	.have_lout	= 1,
+};
+
+static void __init bast_map_io(void)
+{
+	s3c_hwmon_set_platdata(&bast_hwmon_info);
+
+	s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
+	s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
+	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
+}
+
+static void __init bast_init_time(void)
+{
+	s3c2410_init_clocks(12000000);
+	samsung_timer_init();
+}
+
+static void __init bast_init(void)
+{
+	register_syscore_ops(&bast_pm_syscore_ops);
+
+	s3c_i2c0_set_platdata(&bast_i2c_info);
+	s3c_nand_set_platdata(&bast_nand_info);
+	s3c24xx_fb_set_platdata(&bast_fb_info);
+	platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
+
+	i2c_register_board_info(0, bast_i2c_devs,
+				ARRAY_SIZE(bast_i2c_devs));
+
+	usb_simtec_init();
+	nor_simtec_init();
+	simtec_audio_add(NULL, true, &bast_audio);
+
+	WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset"));
+	
+	s3c_cpufreq_setboard(&bast_cpufreq);
+}
+
+MACHINE_START(BAST, "Simtec-BAST")
+	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
+	.atag_offset	= 0x100,
+	.map_io		= bast_map_io,
+	.init_irq	= s3c2410_init_irq,
+	.init_machine	= bast_init,
+	.init_time	= bast_init_time,
+MACHINE_END