From ae51b5709e6f24c04f1da9550c54c69b9ce84f19 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Sat, 27 Feb 2016 19:19:00 +0100 Subject: Amazon Kindle Fire (first generation) codename kc1 support The Amazon Kindle Fire (first generation) codename kc1 is a tablet that was released by Amazon back in 2011. It is using an OMAP4430 SoC GP version, which allows running U-Boot and the U-Boot SPL from the ground up. Signed-off-by: Paul Kocialkowski --- board/amazon/kc1/Kconfig | 12 +++++ board/amazon/kc1/MAINTAINERS | 6 +++ board/amazon/kc1/Makefile | 9 ++++ board/amazon/kc1/kc1.c | 109 +++++++++++++++++++++++++++++++++++++++++++ board/amazon/kc1/kc1.h | 92 ++++++++++++++++++++++++++++++++++++ 5 files changed, 228 insertions(+) create mode 100644 board/amazon/kc1/Kconfig create mode 100644 board/amazon/kc1/MAINTAINERS create mode 100644 board/amazon/kc1/Makefile create mode 100644 board/amazon/kc1/kc1.c create mode 100644 board/amazon/kc1/kc1.h (limited to 'board/amazon') diff --git a/board/amazon/kc1/Kconfig b/board/amazon/kc1/Kconfig new file mode 100644 index 0000000..1b46a8f --- /dev/null +++ b/board/amazon/kc1/Kconfig @@ -0,0 +1,12 @@ +if TARGET_KC1 + +config SYS_BOARD + default "kc1" + +config SYS_VENDOR + default "amazon" + +config SYS_CONFIG_NAME + default "kc1" + +endif diff --git a/board/amazon/kc1/MAINTAINERS b/board/amazon/kc1/MAINTAINERS new file mode 100644 index 0000000..7e596d9 --- /dev/null +++ b/board/amazon/kc1/MAINTAINERS @@ -0,0 +1,6 @@ +KC1 BOARD +M: Paul Kocialkowski +S: Maintained +F: board/amazon/kc1/ +F: include/configs/kc1.h +F: configs/kc1_defconfig diff --git a/board/amazon/kc1/Makefile b/board/amazon/kc1/Makefile new file mode 100644 index 0000000..59c8347 --- /dev/null +++ b/board/amazon/kc1/Makefile @@ -0,0 +1,9 @@ +# +# Amazon Kindle Fire (first generation) codename kc1 config +# +# Copyright (C) 2016 Paul Kocialkowski +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := kc1.o diff --git a/board/amazon/kc1/kc1.c b/board/amazon/kc1/kc1.c new file mode 100644 index 0000000..a189bb2 --- /dev/null +++ b/board/amazon/kc1/kc1.c @@ -0,0 +1,109 @@ +/* + * Amazon Kindle Fire (first generation) codename kc1 config + * + * Copyright (C) 2016 Paul Kocialkowski + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include "kc1.h" + +DECLARE_GLOBAL_DATA_PTR; + +const struct omap_sysinfo sysinfo = { + .board_string = "kc1" +}; + +void set_muxconf_regs(void) +{ + do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array, + sizeof(core_padconf_array) / sizeof(struct pad_conf_entry)); +} + +struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs, + struct lpddr2_device_details *lpddr2_dev_details) +{ + if (cs == CS1) + return NULL; + + *lpddr2_dev_details = elpida_2G_S4_details; + + return lpddr2_dev_details; +} + +void emif_get_device_timings(u32 emif_nr, + const struct lpddr2_device_timings **cs0_device_timings, + const struct lpddr2_device_timings **cs1_device_timings) +{ + *cs0_device_timings = &elpida_2G_S4_timings; + *cs1_device_timings = NULL; +} + +int board_init(void) +{ + /* GPMC init */ + gpmc_init(); + + /* MACH number */ + gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP; + + /* ATAGs location */ + gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 0x100; + + return 0; +} + +int misc_init_r(void) +{ + /* Serial number */ + + omap_die_id_serial(); + + return 0; +} + +u32 get_board_rev(void) +{ + u32 value = 0; + + gpio_request(KC1_GPIO_MBID0, "MBID0"); + gpio_request(KC1_GPIO_MBID1, "MBID1"); + gpio_request(KC1_GPIO_MBID2, "MBID2"); + gpio_request(KC1_GPIO_MBID3, "MBID3"); + + gpio_direction_input(KC1_GPIO_MBID0); + gpio_direction_input(KC1_GPIO_MBID1); + gpio_direction_input(KC1_GPIO_MBID2); + gpio_direction_input(KC1_GPIO_MBID3); + + value |= (gpio_get_value(KC1_GPIO_MBID0) << 0); + value |= (gpio_get_value(KC1_GPIO_MBID1) << 1); + value |= (gpio_get_value(KC1_GPIO_MBID2) << 2); + value |= (gpio_get_value(KC1_GPIO_MBID3) << 3); + + return value; +} + +void get_board_serial(struct tag_serialnr *serialnr) +{ + omap_die_id_get_board_serial(serialnr); +} + +#ifndef CONFIG_SPL_BUILD +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(1, 0, 0, -1, -1); +} +#endif + +void board_mmc_power_init(void) +{ + twl6030_power_mmc_init(1); +} diff --git a/board/amazon/kc1/kc1.h b/board/amazon/kc1/kc1.h new file mode 100644 index 0000000..886bd38 --- /dev/null +++ b/board/amazon/kc1/kc1.h @@ -0,0 +1,92 @@ +/* + * Amazon Kindle Fire (first generation) codename kc1 config + * + * Copyright (C) 2016 Paul Kocialkowski + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _KC1_H_ +#define _KC1_H_ + +#include + +#define KC1_GPIO_MBID1 173 +#define KC1_GPIO_MBID0 174 +#define KC1_GPIO_MBID3 177 +#define KC1_GPIO_MBID2 178 + +const struct pad_conf_entry core_padconf_array[] = { + /* GPMC */ + { GPMC_AD0, (IEN | PTU | M1) }, /* sdmmc2_dat0 */ + { GPMC_AD1, (IEN | PTU | M1) }, /* sdmmc2_dat1 */ + { GPMC_AD2, (IEN | PTU | M1) }, /* sdmmc2_dat2 */ + { GPMC_AD3, (IEN | PTU | M1) }, /* sdmmc2_dat3 */ + { GPMC_AD4, (IEN | PTU | M1) }, /* sdmmc2_dat4 */ + { GPMC_AD5, (IEN | PTU | M1) }, /* sdmmc2_dat5 */ + { GPMC_AD6, (IEN | PTU | M1) }, /* sdmmc2_dat6 */ + { GPMC_AD7, (IEN | PTU | M1) }, /* sdmmc2_dat7 */ + { GPMC_NOE, (IEN | PTU | M1) }, /* sdmmc2_clk */ + { GPMC_NWE, (IEN | PTU | M1) }, /* sdmmc2_cmd */ + /* CAM */ + { CAM_SHUTTER, (IDIS | DIS | M7) }, /* safe_mode */ + { CAM_STROBE, (IDIS | DIS | M7) }, /* safe_mode */ + { CAM_GLOBALRESET, (IDIS | DIS | M7) }, /* safe_mode */ + /* HDQ */ + { HDQ_SIO, (IDIS | DIS | M7) }, /* safe_mode */ + /* I2C1 */ + { I2C1_SCL, (IEN | PTU | M0) }, /* i2c1_scl */ + { I2C1_SDA, (IEN | PTU | M0) }, /* i2c1_sda */ + /* I2C2 */ + { I2C2_SCL, (IEN | PTU | M0) }, /* i2c2_scl */ + { I2C2_SDA, (IEN | PTU | M0) }, /* i2c2_sda */ + /* I2C3 */ + { I2C3_SCL, (IEN | PTU | M0) }, /* i2c3_scl */ + { I2C3_SDA, (IEN | PTU | M0) }, /* i2c3_sda */ + /* I2C4 */ + { I2C4_SCL, (IEN | PTU | M0) }, /* i2c4_scl */ + { I2C4_SDA, (IEN | PTU | M0) }, /* i2c4_sda */ + /* MCSPI1 */ + { MCSPI1_CLK, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_SOMI, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_SIMO, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_CS0, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_CS1, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_CS2, (IDIS | DIS | M7) }, /* safe_mode */ + { MCSPI1_CS3, (IDIS | DIS | M7) }, /* safe_mode */ + /* UART3 */ + { UART3_CTS_RCTX, (IDIS | DIS | M7) }, /* safe_mode */ + { UART3_RTS_SD, (IDIS | DIS | M7) }, /* safe_mode */ + { UART3_RX_IRRX, (IEN | DIS | M0) }, /* uart3_rx_irrx */ + { UART3_TX_IRTX, (IDIS | DIS | M0) }, /* uart3_tx_irtx */ + /* SDMMC5 */ + { SDMMC5_CLK, (IEN | PTU | M0) }, /* sdmmc5_clk */ + { SDMMC5_CMD, (IEN | PTU | M0) }, /* sdmmc5_cmd */ + { SDMMC5_DAT0, (IEN | PTU | M0) }, /* sdmmc5_dat0 */ + { SDMMC5_DAT1, (IEN | PTU | M0) }, /* sdmmc5_dat1 */ + { SDMMC5_DAT2, (IEN | PTU | M0) }, /* sdmmc5_dat2 */ + { SDMMC5_DAT3, (IEN | PTU | M0) }, /* sdmmc5_dat3 */ + /* MCSPI4 */ + { MCSPI4_CLK, (IEN | DIS | M0) }, /* mcspi4_clk */ + { MCSPI4_SIMO, (IEN | DIS | M0) }, /* mcspi4_simo */ + { MCSPI4_SOMI, (IEN | DIS | M0) }, /* mcspi4_somi */ + { MCSPI4_CS0, (IEN | PTD | M0) }, /* mcspi4_cs0 */ + /* UART4 */ + { UART4_RX, (IDIS | DIS | M4) }, /* gpio_155 */ + { UART4_TX, (IDIS | DIS | M7) }, /* safe_mode */ + /* UNIPRO */ + { UNIPRO_TX0, (IDIS | DIS | M7) }, /* safe_mode */ + { UNIPRO_TY0, (IDIS | DIS | M7) }, /* safe_mode */ + { UNIPRO_TX1, (IEN | DIS | M3) }, /* gpio_173 */ + { UNIPRO_TY1, (IEN | DIS | M3) }, /* gpio_174 */ + { UNIPRO_TX2, (IDIS | DIS | M7) }, /* safe_mode */ + { UNIPRO_TY2, (IDIS | DIS | M7) }, /* safe_mode */ + { UNIPRO_RX0, (IEN | DIS | M3) }, /* gpio_175 */ + { UNIPRO_RY0, (IEN | DIS | M3) }, /* gpio_176 */ + { UNIPRO_RX1, (IEN | DIS | M3) }, /* gpio_177 */ + { UNIPRO_RY1, (IEN | DIS | M3) }, /* gpio_178 */ + { UNIPRO_RX2, (IDIS | DIS | M7) }, /* safe_mode */ + { UNIPRO_RY2, (IDIS | DIS | M7) }, /* safe_mode */ +}; + +#endif -- cgit v1.1