Merge branch 'for-v2013.04'

[karo-tx-uboot.git] / board / samsung / smdk5250 / smdk5250.c

diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index 7a5f132ebb753a8519834b1e995f9810d414daf9..217c6df30185f14d6ba4797e65f3300fd6f3b4eb 100644 (file)
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -23,6 +23,7 @@
 #include <common.h>
 #include <fdtdec.h>
 #include <asm/io.h>
+#include <errno.h>
 #include <i2c.h>
 #include <lcd.h>
 #include <netdev.h>
@@ -35,9 +36,40 @@
 #include <asm/arch/sromc.h>
 #include <asm/arch/dp_info.h>
 #include <power/pmic.h>
+#include <power/max77686_pmic.h>
+#include <tmu.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if defined CONFIG_EXYNOS_TMU
+/*
+ * Boot Time Thermal Analysis for SoC temperature threshold breach
+ */
+static void boot_temp_check(void)
+{
+       int temp;
+
+       switch (tmu_monitor(&temp)) {
+       /* Status TRIPPED ans WARNING means corresponding threshold breach */
+       case TMU_STATUS_TRIPPED:
+               puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
+               set_ps_hold_ctrl();
+               hang();
+               break;
+       case TMU_STATUS_WARNING:
+               puts("EXYNOS_TMU: WARNING! Temperature very high\n");
+               break;
+       /*
+        * TMU_STATUS_INIT means something is wrong with temperature sensing
+        * and TMU status was changed back from NORMAL to INIT.
+        */
+       case TMU_STATUS_INIT:
+       default:
+               debug("EXYNOS_TMU: Unknown TMU state\n");
+       }
+}
+#endif
+
 #ifdef CONFIG_USB_EHCI_EXYNOS
 int board_usb_vbus_init(void)
 {
@@ -54,14 +86,38 @@ int board_usb_vbus_init(void)
 }
 #endif
 
+#ifdef CONFIG_SOUND_MAX98095
+static void  board_enable_audio_codec(void)
+{
+       struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+                                               samsung_get_base_gpio_part1();
+
+       /* Enable MAX98095 Codec */
+       s5p_gpio_direction_output(&gpio1->x1, 7, 1);
+       s5p_gpio_set_pull(&gpio1->x1, 7, GPIO_PULL_NONE);
+}
+#endif
+
 int board_init(void)
 {
        gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+
+#if defined CONFIG_EXYNOS_TMU
+       if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
+               debug("%s: Failed to init TMU\n", __func__);
+               return -1;
+       }
+       boot_temp_check();
+#endif
+
 #ifdef CONFIG_EXYNOS_SPI
        spi_init();
 #endif
 #ifdef CONFIG_USB_EHCI_EXYNOS
        board_usb_vbus_init();
+#endif
+#ifdef CONFIG_SOUND_MAX98095
+       board_enable_audio_codec();
 #endif
        return 0;
 }
@@ -80,12 +136,119 @@ int dram_init(void)
 }
 
 #if defined(CONFIG_POWER)
+static int pmic_reg_update(struct pmic *p, int reg, uint regval)
+{
+       u32 val;
+       int ret = 0;
+
+       ret = pmic_reg_read(p, reg, &val);
+       if (ret) {
+               debug("%s: PMIC %d register read failed\n", __func__, reg);
+               return -1;
+       }
+       val |= regval;
+       ret = pmic_reg_write(p, reg, val);
+       if (ret) {
+               debug("%s: PMIC %d register write failed\n", __func__, reg);
+               return -1;
+       }
+       return 0;
+}
+
 int power_init_board(void)
 {
+       struct pmic *p;
+
+       set_ps_hold_ctrl();
+
+       i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
        if (pmic_init(I2C_PMIC))
                return -1;
-       else
-               return 0;
+
+       p = pmic_get("MAX77686_PMIC");
+       if (!p)
+               return -ENODEV;
+
+       if (pmic_probe(p))
+               return -1;
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN))
+               return -1;
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT,
+                               MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V))
+               return -1;
+
+       /* VDD_MIF */
+       if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
+                                               MAX77686_BUCK1OUT_1V)) {
+               debug("%s: PMIC %d register write failed\n", __func__,
+                                               MAX77686_REG_PMIC_BUCK1OUT);
+               return -1;
+       }
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL,
+                                               MAX77686_BUCK1CTRL_EN))
+               return -1;
+
+       /* VDD_ARM */
+       if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1,
+                                       MAX77686_BUCK2DVS1_1_3V)) {
+               debug("%s: PMIC %d register write failed\n", __func__,
+                                               MAX77686_REG_PMIC_BUCK2DVS1);
+               return -1;
+       }
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1,
+                                       MAX77686_BUCK2CTRL_ON))
+               return -1;
+
+       /* VDD_INT */
+       if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1,
+                                       MAX77686_BUCK3DVS1_1_0125V)) {
+               debug("%s: PMIC %d register write failed\n", __func__,
+                                               MAX77686_REG_PMIC_BUCK3DVS1);
+               return -1;
+       }
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL,
+                                       MAX77686_BUCK3CTRL_ON))
+               return -1;
+
+       /* VDD_G3D */
+       if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1,
+                                       MAX77686_BUCK4DVS1_1_2V)) {
+               debug("%s: PMIC %d register write failed\n", __func__,
+                                               MAX77686_REG_PMIC_BUCK4DVS1);
+               return -1;
+       }
+
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1,
+                                       MAX77686_BUCK3CTRL_ON))
+               return -1;
+
+       /* VDD_LDO2 */
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1,
+                               MAX77686_LD02CTRL1_1_5V | EN_LDO))
+               return -1;
+
+       /* VDD_LDO3 */
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1,
+                               MAX77686_LD03CTRL1_1_8V | EN_LDO))
+               return -1;
+
+       /* VDD_LDO5 */
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1,
+                               MAX77686_LD05CTRL1_1_8V | EN_LDO))
+               return -1;
+
+       /* VDD_LDO10 */
+       if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1,
+                               MAX77686_LD10CTRL1_1_8V | EN_LDO))
+               return -1;
+
+       return 0;
 }
 #endif
 
@@ -212,8 +375,17 @@ int board_eth_init(bd_t *bis)
 #ifdef CONFIG_DISPLAY_BOARDINFO
 int checkboard(void)
 {
-       printf("\nBoard: SMDK5250\n");
+#ifdef CONFIG_OF_CONTROL
+       const char *board_name;
 
+       board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+       if (board_name == NULL)
+               printf("\nUnknown Board\n");
+       else
+               printf("\nBoard: %s\n", board_name);
+#else
+       printf("\nBoard: SMDK5250\n");
+#endif
        return 0;
 }
 #endif