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 <contact@paulk.fr>

1 files changed, 109 insertions, 0 deletions

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 <contact@paulk.fr>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/gpio.h>
+#include <asm/emif.h>
+#include <twl6030.h>
+#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);
+}