+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2010
* ISEE 2007 SL, <www.iseebcn.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <env.h>
+#include <init.h>
+#include <malloc.h>
+#include <net.h>
#include <status_led.h>
#include <dm.h>
#include <ns16550.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
-#include <asm/mach-types.h>
+#include <linux/delay.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
+#include <linux/mtd/rawnand.h>
#include <linux/mtd/onenand.h>
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
#include <fdt_support.h>
#include "igep00x0.h"
-static const struct ns16550_platdata igep_serial = {
+static const struct ns16550_plat igep_serial = {
.base = OMAP34XX_UART3,
.reg_shift = 2,
.clock = V_NS16550_CLK,
.fcr = UART_FCR_DEFVAL,
};
-U_BOOT_DEVICE(igep_uart) = {
+U_BOOT_DRVINFO(igep_uart) = {
"ns16550_serial",
&igep_serial
};
-int onenand_board_init(struct mtd_info *mtd)
-{
- if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
- struct onenand_chip *this = mtd->priv;
- this->base = (void *)CONFIG_SYS_ONENAND_BASE;
- return 0;
- }
- return 1;
-}
-
-#if defined(CONFIG_CMD_NET)
-static void reset_net_chip(int gpio)
-{
- if (!gpio_request(gpio, "eth nrst")) {
- gpio_direction_output(gpio, 1);
- udelay(1);
- gpio_set_value(gpio, 0);
- udelay(40);
- gpio_set_value(gpio, 1);
- mdelay(10);
- }
-}
-
/*
- * Routine: setup_net_chip
- * Description: Setting up the configuration GPMC registers specific to the
- * Ethernet hardware.
+ * Routine: get_board_revision
+ * Description: GPIO_28 and GPIO_129 are used to read board and revision from
+ * IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from
+ * IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because
+ * this functionality is shared by USB HOST.
+ * Once USB reset is applied, U-boot configures these pins as input pullup to
+ * detect board and revision:
+ * IGEP0020-RF = 0b00
+ * IGEP0020-RC = 0b01
+ * IGEP0030-RG = 0b10
+ * IGEP0030-RE = 0b11
*/
-static void setup_net_chip(void)
+static int get_board_revision(void)
{
- struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
- static const u32 gpmc_lan_config[] = {
- NET_LAN9221_GPMC_CONFIG1,
- NET_LAN9221_GPMC_CONFIG2,
- NET_LAN9221_GPMC_CONFIG3,
- NET_LAN9221_GPMC_CONFIG4,
- NET_LAN9221_GPMC_CONFIG5,
- NET_LAN9221_GPMC_CONFIG6,
- };
+ int revision;
+
+ gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
+ "igep0030_usb_transceiver_reset");
+ gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
+
+ gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection");
+ gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION);
+ revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION);
+ gpio_free(GPIO_IGEP00X0_BOARD_DETECTION);
- enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
- CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
+ gpio_request(GPIO_IGEP00X0_REVISION_DETECTION,
+ "igep00x0_revision_detection");
+ gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION);
+ revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION);
+ gpio_free(GPIO_IGEP00X0_REVISION_DETECTION);
- /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
- writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
- /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
- writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
- /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
- writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
- &ctrl_base->gpmc_nadv_ale);
+ gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
- reset_net_chip(64);
+ return revision;
}
-int board_eth_init(bd_t *bis)
+int onenand_board_init(struct mtd_info *mtd)
{
-#ifdef CONFIG_SMC911X
- return smc911x_initialize(0, CONFIG_SMC911X_BASE);
-#else
- return 0;
-#endif
+ if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
+ struct onenand_chip *this = mtd->priv;
+ this->base = (void *)CFG_SYS_ONENAND_BASE;
+ return 0;
+ }
+ return 1;
}
-#else
-static inline void setup_net_chip(void) {}
-#endif
#ifdef CONFIG_OF_BOARD_SETUP
static int ft_enable_by_compatible(void *blob, char *compat, int enable)
return 0;
}
-int ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, struct bd_info *bd)
{
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
- static struct node_info nodes[] = {
+ static const struct node_info nodes[] = {
{ "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
{ "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
};
}
#endif
-void set_fdt(void)
+void set_led(void)
{
- switch (gd->bd->bi_arch_number) {
- case MACH_TYPE_IGEP0020:
- env_set("fdtfile", "omap3-igep0020.dtb");
+ switch (get_board_revision()) {
+ case 0:
+ case 1:
+ gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led");
+ gpio_direction_output(IGEP0020_GPIO_LED, 1);
+ break;
+ case 2:
+ case 3:
+ gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
+ gpio_direction_output(IGEP0030_GPIO_LED, 0);
break;
- case MACH_TYPE_IGEP0030:
- env_set("fdtfile", "omap3-igep0030.dtb");
+ default:
+ /* Should not happen... */
break;
}
}
+void set_boardname(void)
+{
+ char rev[5] = { 'F','C','G','E', };
+ int i = get_board_revision();
+
+ rev[i+1] = 0;
+ env_set("board_rev", rev + i);
+ env_set("board_name", i < 2 ? "igep0020" : "igep0030");
+}
+
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
+ t2_t *t2_base = (t2_t *)T2_BASE;
+ u32 pbias_lite;
+
twl4030_power_init();
- setup_net_chip();
+ /* set VSIM to 1.8V */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
+ TWL4030_PM_RECEIVER_VSIM_VSEL_18,
+ TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+
+ /* set up dual-voltage GPIOs to 1.8V */
+ pbias_lite = readl(&t2_base->pbias_lite);
+ pbias_lite &= ~PBIASLITEVMODE1;
+ pbias_lite |= PBIASLITEPWRDNZ1;
+ writel(pbias_lite, &t2_base->pbias_lite);
+ if (get_cpu_family() == CPU_OMAP36XX)
+ writel(readl(OMAP34XX_CTRL_WKUP_CTRL) |
+ OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
+ OMAP34XX_CTRL_WKUP_CTRL);
omap_die_id_display();
- set_fdt();
+ set_led();
+
+ set_boardname();
return 0;
}
projects / platform / kernel / u-boot.git / blobdiff