+// 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 <status_led.h>
+#include <dm.h>
+#include <ns16550.h>
#include <twl4030.h>
#include <netdev.h>
+#include <spl.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/mem.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/mtd/mtd.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"
-DECLARE_GLOBAL_DATA_PTR;
+static const struct ns16550_platdata igep_serial = {
+ .base = OMAP34XX_UART3,
+ .reg_shift = 2,
+ .clock = V_NS16550_CLK,
+ .fcr = UART_FCR_DEFVAL,
+};
-#if defined(CONFIG_CMD_NET)
-/* GPMC definitions for LAN9221 chips */
-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,
+U_BOOT_DEVICE(igep_uart) = {
+ "ns16550_serial",
+ &igep_serial
};
-#endif
/*
- * Routine: board_init
- * Description: Early hardware init.
+ * 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
*/
-int board_init(void)
+static int get_board_revision(void)
{
- gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
- /* boot param addr */
- gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+ int revision;
- return 0;
-}
+ gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
+ "igep0030_usb_transceiver_reset");
+ gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
-#if defined(CONFIG_SHOW_BOOT_PROGRESS) && !defined(CONFIG_SPL_BUILD)
-void show_boot_progress(int val)
-{
- if (val < 0) {
- /* something went wrong */
- return;
- }
+ 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);
+
+ 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);
- if (!gpio_request(IGEP00X0_GPIO_LED, ""))
- gpio_direction_output(IGEP00X0_GPIO_LED, 1);
+ gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
+
+ return revision;
}
-#endif
-#ifdef CONFIG_SPL_BUILD
-/*
- * Routine: omap_rev_string
- * Description: For SPL builds output board rev
- */
-void omap_rev_string(void)
+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;
}
-/*
- * Routine: get_board_mem_timings
- * Description: If we use SPL then there is no x-loader nor config header
- * so we have to setup the DDR timings ourself on both banks.
- */
-void get_board_mem_timings(struct board_sdrc_timings *timings)
+#if defined(CONFIG_CMD_NET)
+static void reset_net_chip(int gpio)
{
- timings->mr = MICRON_V_MR_165;
-#ifdef CONFIG_BOOT_NAND
- timings->mcfg = MICRON_V_MCFG_200(256 << 20);
- timings->ctrla = MICRON_V_ACTIMA_200;
- timings->ctrlb = MICRON_V_ACTIMB_200;
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
-#else
- if (get_cpu_family() == CPU_OMAP34XX) {
- timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
- timings->ctrla = NUMONYX_V_ACTIMA_165;
- timings->ctrlb = NUMONYX_V_ACTIMB_165;
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
-
- } else {
- timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
- timings->ctrla = NUMONYX_V_ACTIMA_200;
- timings->ctrlb = NUMONYX_V_ACTIMB_200;
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+ 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);
}
-#endif
}
-#endif
-#if defined(CONFIG_CMD_NET)
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
static void setup_net_chip(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,
+ };
- enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
- GPMC_SIZE_16M);
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+ CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
- /* Make GPIO 64 as output pin and send a magic pulse through it */
- if (!gpio_request(64, "")) {
- gpio_direction_output(64, 0);
- gpio_set_value(64, 1);
- udelay(1);
- gpio_set_value(64, 0);
- udelay(1);
- gpio_set_value(64, 1);
- }
+ reset_net_chip(64);
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+ return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#else
+ return 0;
+#endif
}
#else
static inline void setup_net_chip(void) {}
#endif
-#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
-int board_mmc_init(bd_t *bis)
+#ifdef CONFIG_OF_BOARD_SETUP
+static int ft_enable_by_compatible(void *blob, char *compat, int enable)
{
- return omap_mmc_init(0, 0, 0, -1, -1);
+ int off = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (off < 0)
+ return off;
+
+ if (enable)
+ fdt_status_okay(blob, off);
+ else
+ fdt_status_disabled(blob, off);
+
+ return 0;
+}
+
+int ft_board_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_FDT_FIXUP_PARTITIONS
+ static struct node_info nodes[] = {
+ { "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
+ { "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
+ };
+
+ fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+#endif
+ ft_enable_by_compatible(blob, "ti,omap2-nand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
+ ft_enable_by_compatible(blob, "ti,omap2-onenand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
+
+ return 0;
}
#endif
-void set_fdt(void)
+void set_led(void)
{
- switch (gd->bd->bi_arch_number) {
- case MACH_TYPE_IGEP0020:
- setenv("dtbfile", "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 MACH_TYPE_IGEP0030:
- setenv("dtbfile", "omap3-igep0030.dtb");
+ case 2:
+ case 3:
+ gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
+ gpio_direction_output(IGEP0030_GPIO_LED, 0);
+ break;
+ 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);
- dieid_num_r();
+ /* 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);
- set_fdt();
+ setup_net_chip();
- return 0;
-}
+ omap_die_id_display();
-/*
- * Routine: set_muxconf_regs
- * Description: Setting up the configuration Mux registers specific to the
- * hardware. Many pins need to be moved from protect to primary
- * mode.
- */
-void set_muxconf_regs(void)
-{
- MUX_DEFAULT();
+ set_led();
-#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
- MUX_IGEP0020();
-#endif
+ set_boardname();
-#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
- MUX_IGEP0030();
-#endif
+ return 0;
}
-#if defined(CONFIG_CMD_NET)
-int board_eth_init(bd_t *bis)
+void board_mtdparts_default(const char **mtdids, const char **mtdparts)
{
- int rc = 0;
-#ifdef CONFIG_SMC911X
- rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
-#endif
- return rc;
+ struct mtd_info *mtd = get_mtd_device(NULL, 0);
+ if (mtd) {
+ static char ids[24];
+ static char parts[48];
+ const char *linux_name = "omap2-nand";
+ if (strncmp(mtd->name, "onenand0", 8) == 0)
+ linux_name = "omap2-onenand";
+ snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name);
+ snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)",
+ linux_name, 4 * mtd->erasesize >> 10);
+ *mtdids = ids;
+ *mtdparts = parts;
+ }
}
-#endif