]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - board/isee/igep00x0/igep00x0.c
mtd: nand: Rename nand.h into rawnand.h
[people/ms/u-boot.git] / board / isee / igep00x0 / igep00x0.c
index 044c6d5e9d68ed43507b1a8e88148094a566ee1d..01bb99fbb8fcdb15c02157c99be4d8dbc089e0b9 100644 (file)
 #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;
-
-#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,
-};
-#endif
-
 static const struct ns16550_platdata igep_serial = {
-       OMAP34XX_UART3,
-       2,
-       V_NS16550_CLK
+       .base = OMAP34XX_UART3,
+       .reg_shift = 2,
+       .clock = V_NS16550_CLK,
+       .fcr = UART_FCR_DEFVAL,
 };
 
 U_BOOT_DEVICE(igep_uart) = {
-       "serial_omap",
+       "ns16550_serial",
        &igep_serial
 };
 
 /*
- * 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;
 
-#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
-       status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
-#endif
+       gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
+                               "igep0030_usb_transceiver_reset");
+       gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
 
-       return 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);
+
+       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);
+
+       gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
+
+       return revision;
 }
 
-#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
@@ -109,9 +105,17 @@ void get_board_mem_timings(struct board_sdrc_timings *timings)
 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);
@@ -121,89 +125,135 @@ static void setup_net_chip(void)
        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;
 }
-#endif
 
-#if defined(CONFIG_GENERIC_MMC)
-void board_mmc_power_init(void)
+int ft_board_setup(void *blob, bd_t *bd)
 {
-       twl4030_power_mmc_init(0);
+#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("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 MACH_TYPE_IGEP0030:
-               setenv("fdtfile", "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);
 
-       omap_die_id_display();
+       /* 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