diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 10:33:08 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 10:33:08 -0700 |
commit | e731f3146ff3bba5424b40140e1a7e6f92e94964 (patch) | |
tree | c926040385de8b020763f0d2338e0ccbf42bac45 /arch/arm/mach-s3c/mach-mini6410.c | |
parent | 1f70935f637dfba226bf77182c2629fde61ed06e (diff) | |
parent | accdab6d9e8f715068d91ee0ca0424a6999f0d19 (diff) |
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC changes, a substantial part of this is cleanup of some of the
older platforms that used to have a bunch of board files.
In particular:
- Remove non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP
platforms, moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
There are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones are:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
ARM: mstar: Select MStar intc
ARM: stm32: Replace HTTP links with HTTPS ones
ARM: debug: add UART early console support for SD5203
ARM: hisi: add support for SD5203 SoC
ARM: omap3: enable off mode automatically
clk: imx: imx35: Remove mx35_clocks_init()
clk: imx: imx31: Remove mx31_clocks_init()
clk: imx: imx27: Remove mx27_clocks_init()
ARM: imx: Remove unused definitions
ARM: imx35: Retrieve the IIM base address from devicetree
ARM: imx3: Retrieve the AVIC base address from devicetree
ARM: imx3: Retrieve the CCM base address from devicetree
ARM: imx31: Retrieve the IIM base address from devicetree
ARM: imx27: Retrieve the CCM base address from devicetree
ARM: imx27: Retrieve the SYSCTRL base address from devicetree
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: imx: Remove remnant board file support pieces
...
Diffstat (limited to 'arch/arm/mach-s3c/mach-mini6410.c')
-rw-r--r-- | arch/arm/mach-s3c/mach-mini6410.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-mini6410.c b/arch/arm/mach-s3c/mach-mini6410.c new file mode 100644 index 000000000000..741fa1f09694 --- /dev/null +++ b/arch/arm/mach-s3c/mach-mini6410.c @@ -0,0 +1,365 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright 2010 Darius Augulis <augulis.darius@gmail.com> +// Copyright 2008 Openmoko, Inc. +// Copyright 2008 Simtec Electronics +// Ben Dooks <ben@simtec.co.uk> +// http://armlinux.simtec.co.uk/ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/dm9000.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/types.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "map.h" +#include "regs-gpio.h" +#include "gpio-samsung.h" + +#include <linux/soc/samsung/s3c-adc.h> +#include "cpu.h" +#include "devs.h" +#include "fb.h" +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/mmc-sdhci-s3c.h> +#include "sdhci.h" +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <mach/irqs.h> + +#include <video/platform_lcd.h> +#include <video/samsung_fimd.h> + +#include "s3c64xx.h" +#include "regs-modem-s3c64xx.h" +#include "regs-srom-s3c64xx.h" + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + +static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, +}; + +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource mini6410_dm9k_resource[] = { + [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, 2), + [1] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1 + 4, 2), + [2] = DEFINE_RES_NAMED(S3C_EINT(7), 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHLEVEL), +}; + +static struct dm9000_plat_data mini6410_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device mini6410_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(mini6410_dm9k_resource), + .resource = mini6410_dm9k_resource, + .dev = { + .platform_data = &mini6410_dm9k_pdata, + }, +}; + +static struct mtd_partition mini6410_nand_part[] = { + [0] = { + .name = "uboot", + .size = SZ_1M, + .offset = 0, + }, + [1] = { + .name = "kernel", + .size = SZ_2M, + .offset = SZ_1M, + }, + [2] = { + .name = "rootfs", + .size = MTDPART_SIZ_FULL, + .offset = SZ_1M + SZ_2M, + }, +}; + +static struct s3c2410_nand_set mini6410_nand_sets[] = { + [0] = { + .name = "nand", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(mini6410_nand_part), + .partitions = mini6410_nand_part, + }, +}; + +static struct s3c2410_platform_nand mini6410_nand_info = { + .tacls = 25, + .twrph0 = 55, + .twrph1 = 40, + .nr_sets = ARRAY_SIZE(mini6410_nand_sets), + .sets = mini6410_nand_sets, + .engine_type = NAND_ECC_ENGINE_TYPE_SOFT, +}; + +static struct s3c_fb_pd_win mini6410_lcd_type0_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 480, + .yres = 272, +}; + +static struct fb_videomode mini6410_lcd_type0_timing = { + /* 4.3" 480x272 */ + .left_margin = 3, + .right_margin = 2, + .upper_margin = 1, + .lower_margin = 1, + .hsync_len = 40, + .vsync_len = 1, + .xres = 480, + .yres = 272, +}; + +static struct s3c_fb_pd_win mini6410_lcd_type1_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode mini6410_lcd_type1_timing = { + /* 7.0" 800x480 */ + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + +static struct s3c_fb_platdata mini6410_lcd_pdata[] __initdata = { + { + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &mini6410_lcd_type0_timing, + .win[0] = &mini6410_lcd_type0_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + }, { + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &mini6410_lcd_type1_timing, + .win[0] = &mini6410_lcd_type1_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + }, + { }, +}; + +static void mini6410_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) + gpio_direction_output(S3C64XX_GPE(0), 1); + else + gpio_direction_output(S3C64XX_GPE(0), 0); +} + +static struct plat_lcd_data mini6410_lcd_power_data = { + .set_power = mini6410_lcd_power_set, +}; + +static struct platform_device mini6410_lcd_powerdev = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &mini6410_lcd_power_data, +}; + +static struct s3c_sdhci_platdata mini6410_hsmmc1_pdata = { + .max_width = 4, + .cd_type = S3C_SDHCI_CD_GPIO, + .ext_cd_gpio = S3C64XX_GPN(10), + .ext_cd_gpio_invert = true, +}; + +static struct platform_device *mini6410_devices[] __initdata = { + &mini6410_device_eth, + &s3c_device_hsmmc0, + &s3c_device_hsmmc1, + &s3c_device_ohci, + &s3c_device_nand, + &s3c_device_fb, + &mini6410_lcd_powerdev, + &s3c_device_adc, +}; + +static void __init mini6410_map_io(void) +{ + u32 tmp; + + s3c64xx_init_io(NULL, 0); + s3c64xx_set_xtal_freq(12000000); + s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); + s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4); + + /* set the LCD type */ + tmp = __raw_readl(S3C64XX_SPCON); + tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; + tmp |= S3C64XX_SPCON_LCD_SEL_RGB; + __raw_writel(tmp, S3C64XX_SPCON); + + /* remove the LCD bypass */ + tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); + tmp &= ~MIFPCON_LCD_BYPASS; + __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); +} + +/* + * mini6410_features string + * + * 0-9 LCD configuration + * + */ +static char mini6410_features_str[12] __initdata = "0"; + +static int __init mini6410_features_setup(char *str) +{ + if (str) + strlcpy(mini6410_features_str, str, + sizeof(mini6410_features_str)); + return 1; +} + +__setup("mini6410=", mini6410_features_setup); + +#define FEATURE_SCREEN (1 << 0) + +struct mini6410_features_t { + int done; + int lcd_index; +}; + +static void mini6410_parse_features( + struct mini6410_features_t *features, + const char *features_str) +{ + const char *fp = features_str; + + features->done = 0; + features->lcd_index = 0; + + while (*fp) { + char f = *fp++; + + switch (f) { + case '0'...'9': /* tft screen */ + if (features->done & FEATURE_SCREEN) { + printk(KERN_INFO "MINI6410: '%c' ignored, " + "screen type already set\n", f); + } else { + int li = f - '0'; + if (li >= ARRAY_SIZE(mini6410_lcd_pdata)) + printk(KERN_INFO "MINI6410: '%c' out " + "of range LCD mode\n", f); + else { + features->lcd_index = li; + } + } + features->done |= FEATURE_SCREEN; + break; + } + } +} + +static void __init mini6410_machine_init(void) +{ + u32 cs1; + struct mini6410_features_t features = { 0 }; + + printk(KERN_INFO "MINI6410: Option string mini6410=%s\n", + mini6410_features_str); + + /* Parse the feature string */ + mini6410_parse_features(&features, mini6410_features_str); + + printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n", + mini6410_lcd_pdata[features.lcd_index].win[0]->xres, + mini6410_lcd_pdata[features.lcd_index].win[0]->yres); + + s3c_nand_set_platdata(&mini6410_nand_info); + s3c_fb_set_platdata(&mini6410_lcd_pdata[features.lcd_index]); + s3c_sdhci1_set_platdata(&mini6410_hsmmc1_pdata); + s3c64xx_ts_set_platdata(NULL); + + /* configure nCS1 width to 16 bits */ + + cs1 = __raw_readl(S3C64XX_SROM_BW) & + ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); + cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | + (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | + (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << + S3C64XX_SROM_BW__NCS1__SHIFT; + __raw_writel(cs1, S3C64XX_SROM_BW); + + /* set timing for nCS1 suitable for ethernet chip */ + + __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | + (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | + (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | + (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | + (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | + (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | + (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); + + gpio_request(S3C64XX_GPF(15), "LCD power"); + gpio_request(S3C64XX_GPE(0), "LCD power"); + + platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices)); +} + +MACHINE_START(MINI6410, "MINI6410") + /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */ + .atag_offset = 0x100, + .nr_irqs = S3C64XX_NR_IRQS, + .init_irq = s3c6410_init_irq, + .map_io = mini6410_map_io, + .init_machine = mini6410_machine_init, + .init_time = s3c64xx_timer_init, +MACHINE_END |