]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - board/overo/overo.c
omap_hsmmc: add driver check for write protection
[karo-tx-uboot.git] / board / overo / overo.c
index f917e402b06d66d2d9a6004884019d92e78d1349..8690450fa8f935328a7570237031187a317e2770 100644 (file)
 #include <common.h>
 #include <netdev.h>
 #include <twl4030.h>
+#include <linux/mtd/nand.h>
 #include <asm/io.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/mem.h>
 #include <asm/arch/sys_proto.h>
-#include <asm/arch/gpio.h>
+#include <asm/arch/omap_gpmc.h>
+#include <asm/gpio.h>
 #include <asm/mach-types.h>
 #include "overo.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #define TWL4030_I2C_BUS                        0
 #define EXPANSION_EEPROM_I2C_BUS       2
 #define EXPANSION_EEPROM_I2C_ADDRESS   0x51
@@ -87,8 +91,6 @@ static const u32 gpmc_lan_config[] = {
  */
 int board_init(void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
-
        gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
        /* board id for Linux */
        gd->bd->bi_arch_number = MACH_TYPE_OVERO;
@@ -106,29 +108,76 @@ int get_board_revision(void)
 {
        int revision;
 
-       if (!omap_request_gpio(112) &&
-           !omap_request_gpio(113) &&
-           !omap_request_gpio(115)) {
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+       unsigned char data;
+
+       /* board revisions <= R2410 connect 4030 irq_1 to gpio112             */
+       /* these boards should return a revision number of 0                  */
+       /* the code below forces a 4030 RTC irq to ensure that gpio112 is low */
+       i2c_set_bus_num(TWL4030_I2C_BUS);
+       data = 0x01;
+       i2c_write(0x4B, 0x29, 1, &data, 1);
+       data = 0x0c;
+       i2c_write(0x4B, 0x2b, 1, &data, 1);
+       i2c_read(0x4B, 0x2a, 1, &data, 1);
+#endif
 
-               omap_set_gpio_direction(112, 1);
-               omap_set_gpio_direction(113, 1);
-               omap_set_gpio_direction(115, 1);
+       if (!gpio_request(112, "") &&
+           !gpio_request(113, "") &&
+           !gpio_request(115, "")) {
 
-               revision = omap_get_gpio_datain(115) << 2 |
-                          omap_get_gpio_datain(113) << 1 |
-                          omap_get_gpio_datain(112);
+               gpio_direction_input(112);
+               gpio_direction_input(113);
+               gpio_direction_input(115);
 
-               omap_free_gpio(112);
-               omap_free_gpio(113);
-               omap_free_gpio(115);
+               revision = gpio_get_value(115) << 2 |
+                          gpio_get_value(113) << 1 |
+                          gpio_get_value(112);
        } else {
-               printf("Error: unable to acquire board revision GPIOs\n");
+               puts("Error: unable to acquire board revision GPIOs\n");
                revision = -1;
        }
 
        return revision;
 }
 
+#ifdef CONFIG_SPL_BUILD
+/*
+ * 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)
+{
+       timings->mr = MICRON_V_MR_165;
+       switch (get_board_revision()) {
+       case REVISION_0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */
+               timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+               timings->ctrla = MICRON_V_ACTIMA_165;
+               timings->ctrlb = MICRON_V_ACTIMB_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+               break;
+       case REVISION_1: /* Micron 256MB/512MB, 1/2 banks of 256MB */
+               timings->mcfg = MICRON_V_MCFG_165(256 << 20);
+               timings->ctrla = MICRON_V_ACTIMA_165;
+               timings->ctrlb = MICRON_V_ACTIMB_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+               break;
+       case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */
+               timings->mcfg = HYNIX_V_MCFG_165(256 << 20);
+               timings->ctrla = HYNIX_V_ACTIMA_165;
+               timings->ctrlb = HYNIX_V_ACTIMB_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+               break;
+       default:
+               timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+               timings->ctrla = MICRON_V_ACTIMA_165;
+               timings->ctrlb = MICRON_V_ACTIMB_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+       }
+}
+#endif
+
 /*
  * Routine: get_sdio2_config
  * Description: Return information about the wifi module connection
@@ -139,23 +188,22 @@ int get_sdio2_config(void)
 {
        int sdio_direct;
 
-       if (!omap_request_gpio(130) && !omap_request_gpio(139)) {
+       if (!gpio_request(130, "") && !gpio_request(139, "")) {
 
-               omap_set_gpio_direction(130, 0);
-               omap_set_gpio_direction(139, 1);
+               gpio_direction_output(130, 0);
+               gpio_direction_input(139);
 
                sdio_direct = 1;
-               omap_set_gpio_dataout(130, 0);
-               if (omap_get_gpio_datain(139) == 0) {
-                       omap_set_gpio_dataout(130, 1);
-                       if (omap_get_gpio_datain(139) == 1)
+               gpio_set_value(130, 0);
+               if (gpio_get_value(139) == 0) {
+                       gpio_set_value(130, 1);
+                       if (gpio_get_value(139) == 1)
                                sdio_direct = 0;
                }
 
-               omap_free_gpio(130);
-               omap_free_gpio(139);
+               gpio_direction_input(130);
        } else {
-               printf("Error: unable to acquire sdio2 clk GPIOs\n");
+               puts("Error: unable to acquire sdio2 clk GPIOs\n");
                sdio_direct = -1;
        }
 
@@ -204,15 +252,15 @@ int misc_init_r(void)
 
        switch (get_sdio2_config()) {
        case 0:
-               printf("Tranceiver detected on mmc2\n");
+               puts("Tranceiver detected on mmc2\n");
                MUX_OVERO_SDIO2_TRANSCEIVER();
                break;
        case 1:
-               printf("Direct connection on mmc2\n");
+               puts("Direct connection on mmc2\n");
                MUX_OVERO_SDIO2_DIRECT();
                break;
        default:
-               printf("Unable to detect mmc2 connection type\n");
+               puts("Unable to detect mmc2 connection type\n");
        }
 
        switch (get_expansion_id()) {
@@ -232,6 +280,9 @@ int misc_init_r(void)
                printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
                        expansion_config.revision,
                        expansion_config.fab_revision);
+               /* second lan chip */
+               enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
+                   0x2B000000, GPMC_SIZE_16M);
                break;
        case GUMSTIX_PALO35:
                printf("Recognized Palo35 expansion board (rev %d %s)\n",
@@ -270,10 +321,10 @@ int misc_init_r(void)
                setenv("defaultdisplay", "dvi");
                break;
        case GUMSTIX_NO_EEPROM:
-               printf("No EEPROM on expansion board\n");
+               puts("No EEPROM on expansion board\n");
                break;
        default:
-               printf("Unrecognized expansion board\n");
+               puts("Unrecognized expansion board\n");
        }
 
        if (expansion_config.content == 1)
@@ -309,10 +360,6 @@ static void setup_net_chip(void)
        enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
                        GPMC_SIZE_16M);
 
-       /* second lan chip */
-       enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], 0x2B000000,
-                       GPMC_SIZE_16M);
-
        /* 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 */
@@ -322,13 +369,13 @@ static void setup_net_chip(void)
                &ctrl_base->gpmc_nadv_ale);
 
        /* Make GPIO 64 as output pin and send a magic pulse through it */
-       if (!omap_request_gpio(64)) {
-               omap_set_gpio_direction(64, 0);
-               omap_set_gpio_dataout(64, 1);
+       if (!gpio_request(64, "")) {
+               gpio_direction_output(64, 0);
+               gpio_set_value(64, 1);
                udelay(1);
-               omap_set_gpio_dataout(64, 0);
+               gpio_set_value(64, 0);
                udelay(1);
-               omap_set_gpio_dataout(64, 1);
+               gpio_set_value(64, 1);
        }
 }
 #endif
@@ -342,10 +389,9 @@ int board_eth_init(bd_t *bis)
        return rc;
 }
 
-#ifdef CONFIG_GENERIC_MMC
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 int board_mmc_init(bd_t *bis)
 {
-       omap_mmc_init(0);
-       return 0;
+       return omap_mmc_init(0, 0, 0, -1, -1);
 }
 #endif