diff options
Diffstat (limited to 'arch/arm/mach-ep93xx')
| -rw-r--r-- | arch/arm/mach-ep93xx/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-ep93xx/ts72xx.c | 165 | ||||
| -rw-r--r-- | arch/arm/mach-ep93xx/ts72xx.h | 9 |
3 files changed, 169 insertions, 12 deletions
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig index 61a75ca3684e..c095236d7ff8 100644 --- a/arch/arm/mach-ep93xx/Kconfig +++ b/arch/arm/mach-ep93xx/Kconfig @@ -21,6 +21,13 @@ config MACH_ADSSPHERE Say 'Y' here if you want your kernel to support the ADS Sphere board. +config MACH_BK3 + bool "Support Liebherr BK3.1" + select MACH_TS72XX + help + Say 'Y' here if you want your kernel to support the + Liebherr controller BK3.1. + config MACH_EDB93XX bool diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index f386ebae0163..c089a2a4fe30 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -19,10 +19,15 @@ #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> #include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#include <linux/spi/mmc_spi.h> +#include <linux/mmc/host.h> #include <linux/platform_data/spi-ep93xx.h> #include <mach/gpio-ep93xx.h> #include <mach/hardware.h> +#include <mach/irqs.h> +#include <mach/gpio-ep93xx.h> #include <asm/mach-types.h> #include <asm/mach/map.h> @@ -31,6 +36,9 @@ #include "soc.h" #include "ts72xx.h" +/************************************************************************* + * IO map + *************************************************************************/ static struct map_desc ts72xx_io_desc[] __initdata = { { .virtual = (unsigned long)TS72XX_MODEL_VIRT_BASE, @@ -47,6 +55,11 @@ static struct map_desc ts72xx_io_desc[] __initdata = { .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), .length = TS72XX_OPTIONS2_SIZE, .type = MT_DEVICE, + }, { + .virtual = (unsigned long)TS72XX_CPLDVER_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_CPLDVER_PHYS_BASE), + .length = TS72XX_CPLDVER_SIZE, + .type = MT_DEVICE, } }; @@ -123,8 +136,6 @@ static struct platform_nand_data ts72xx_nand_data = { .nr_chips = 1, .chip_offset = 0, .chip_delay = 15, - .partitions = ts72xx_nand_parts, - .nr_partitions = ARRAY_SIZE(ts72xx_nand_parts), }, .ctrl = { .cmd_ctrl = ts72xx_nand_hwcontrol, @@ -148,8 +159,8 @@ static struct platform_device ts72xx_nand_flash = { .num_resources = ARRAY_SIZE(ts72xx_nand_resource), }; - -static void __init ts72xx_register_flash(void) +void __init ts72xx_register_flash(struct mtd_partition *parts, int n, + resource_size_t start) { /* * TS7200 has NOR flash all other TS72xx board have NAND flash. @@ -157,16 +168,12 @@ static void __init ts72xx_register_flash(void) if (board_is_ts7200()) { ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M); } else { - resource_size_t start; - - if (is_ts9420_installed()) - start = EP93XX_CS7_PHYS_BASE; - else - start = EP93XX_CS6_PHYS_BASE; - ts72xx_nand_resource[0].start = start; ts72xx_nand_resource[0].end = start + SZ_16M - 1; + ts72xx_nand_data.chip.partitions = parts; + ts72xx_nand_data.chip.nr_partitions = n; + platform_device_register(&ts72xx_nand_flash); } } @@ -207,10 +214,79 @@ static struct platform_device ts72xx_wdt_device = { .num_resources = ARRAY_SIZE(ts72xx_wdt_resources), }; +/************************************************************************* + * ETH + *************************************************************************/ static struct ep93xx_eth_data __initdata ts72xx_eth_data = { .phy_id = 1, }; +/************************************************************************* + * SPI SD/MMC host + *************************************************************************/ +#define BK3_EN_SDCARD_PHYS_BASE 0x12400000 +#define BK3_EN_SDCARD_PWR 0x0 +#define BK3_DIS_SDCARD_PWR 0x0C +static void bk3_mmc_spi_setpower(struct device *dev, unsigned int vdd) +{ + void __iomem *pwr_sd = ioremap(BK3_EN_SDCARD_PHYS_BASE, SZ_4K); + + if (!pwr_sd) { + pr_err("Failed to enable SD card power!"); + return; + } + + pr_debug("%s: SD card pwr %s VDD:0x%x\n", __func__, + !!vdd ? "ON" : "OFF", vdd); + + if (!!vdd) + __raw_writeb(BK3_EN_SDCARD_PWR, pwr_sd); + else + __raw_writeb(BK3_DIS_SDCARD_PWR, pwr_sd); + + iounmap(pwr_sd); +} + +static struct mmc_spi_platform_data bk3_spi_mmc_data = { + .detect_delay = 500, + .powerup_msecs = 100, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .caps = MMC_CAP_NONREMOVABLE, + .setpower = bk3_mmc_spi_setpower, +}; + +/************************************************************************* + * SPI Bus - SD card access + *************************************************************************/ +static struct spi_board_info bk3_spi_board_info[] __initdata = { + { + .modalias = "mmc_spi", + .platform_data = &bk3_spi_mmc_data, + .max_speed_hz = 7.4E6, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_0, + }, +}; + +/* + * This is a stub -> the FGPIO[3] pin is not connected on the schematic + * The all work is performed automatically by !SPI_FRAME (SFRM1) and + * goes through CPLD + */ +static int bk3_spi_chipselects[] __initdata = { + EP93XX_GPIO_LINE_F(3), +}; + +static struct ep93xx_spi_info bk3_spi_master __initdata = { + .chipselect = bk3_spi_chipselects, + .num_chipselect = ARRAY_SIZE(bk3_spi_chipselects), + .use_dma = 1, +}; + +/************************************************************************* + * TS72XX support code + *************************************************************************/ #if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX) /* Relative to EP93XX_CS1_PHYS_BASE */ @@ -257,7 +333,9 @@ static struct ep93xx_spi_info ts72xx_spi_info __initdata = { static void __init ts72xx_init_machine(void) { ep93xx_init_devices(); - ts72xx_register_flash(); + ts72xx_register_flash(ts72xx_nand_parts, ARRAY_SIZE(ts72xx_nand_parts), + is_ts9420_installed() ? + EP93XX_CS7_PHYS_BASE : EP93XX_CS6_PHYS_BASE); platform_device_register(&ts72xx_rtc_device); platform_device_register(&ts72xx_wdt_device); @@ -280,3 +358,66 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") .init_late = ep93xx_init_late, .restart = ep93xx_restart, MACHINE_END + +/************************************************************************* + * EP93xx I2S audio peripheral handling + *************************************************************************/ +static struct resource ep93xx_i2s_resource[] = { + DEFINE_RES_MEM(EP93XX_I2S_PHYS_BASE, 0x100), + DEFINE_RES_IRQ_NAMED(IRQ_EP93XX_SAI, "spilink i2s slave"), +}; + +static struct platform_device ep93xx_i2s_device = { + .name = "ep93xx-spilink-i2s", + .id = -1, + .num_resources = ARRAY_SIZE(ep93xx_i2s_resource), + .resource = ep93xx_i2s_resource, +}; + +/************************************************************************* + * BK3 support code + *************************************************************************/ +static struct mtd_partition bk3_nand_parts[] = { + { + .name = "System", + .offset = 0x00000000, + .size = 0x01e00000, + }, { + .name = "Data", + .offset = 0x01e00000, + .size = 0x05f20000 + }, { + .name = "RedBoot", + .offset = 0x07d20000, + .size = 0x002e0000, + .mask_flags = MTD_WRITEABLE, /* force RO */ + }, +}; + +static void __init bk3_init_machine(void) +{ + ep93xx_init_devices(); + + ts72xx_register_flash(bk3_nand_parts, ARRAY_SIZE(bk3_nand_parts), + EP93XX_CS6_PHYS_BASE); + + ep93xx_register_eth(&ts72xx_eth_data, 1); + + ep93xx_register_spi(&bk3_spi_master, bk3_spi_board_info, + ARRAY_SIZE(bk3_spi_board_info)); + + /* Configure ep93xx's I2S to use AC97 pins */ + ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_I2SONAC97); + platform_device_register(&ep93xx_i2s_device); +} + +MACHINE_START(BK3, "Liebherr controller BK3.1") + /* Maintainer: Lukasz Majewski <lukma@denx.de> */ + .atag_offset = 0x100, + .map_io = ts72xx_map_io, + .init_irq = ep93xx_init_irq, + .init_time = ep93xx_timer_init, + .init_machine = bk3_init_machine, + .init_late = ep93xx_init_late, + .restart = ep93xx_restart, +MACHINE_END diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h index 8a3206a54b39..00b4941d29c9 100644 --- a/arch/arm/mach-ep93xx/ts72xx.h +++ b/arch/arm/mach-ep93xx/ts72xx.h @@ -10,8 +10,12 @@ * febff000 22000000 4K model number register (bits 0-2) * febfe000 22400000 4K options register * febfd000 22800000 4K options register #2 + * febfc000 23400000 4K CPLD version register */ +#ifndef __TS72XX_H_ +#define __TS72XX_H_ + #define TS72XX_MODEL_PHYS_BASE 0x22000000 #define TS72XX_MODEL_VIRT_BASE IOMEM(0xfebff000) #define TS72XX_MODEL_SIZE 0x00001000 @@ -39,6 +43,10 @@ #define TS72XX_OPTIONS2_TS9420 0x04 #define TS72XX_OPTIONS2_TS9420_BOOT 0x02 +#define TS72XX_CPLDVER_PHYS_BASE 0x23400000 +#define TS72XX_CPLDVER_VIRT_BASE IOMEM(0xfebfc000) +#define TS72XX_CPLDVER_SIZE 0x00001000 + #ifndef __ASSEMBLY__ static inline int ts72xx_model(void) @@ -83,3 +91,4 @@ static inline int is_ts9420_installed(void) TS72XX_OPTIONS2_TS9420); } #endif +#endif /* __TS72XX_H_ */ |