]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/ti/panda/panda.c
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / board / ti / panda / panda.c
index 1b8153ba82535d130d90d6cdee8a4a7b0ce4f607..90ae29e7c64bc761b0a5b0a2993cf44ecf6db882 100644 (file)
  */
 #include <common.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
 
-#include "panda.h"
+#include "panda_mux_data.h"
+
+#ifdef CONFIG_USB_EHCI
+#include <usb.h>
+#include <asm/arch/ehci.h>
+#include <asm/ehci-omap.h>
+#endif
+
+#define PANDA_ULPI_PHY_TYPE_GPIO       182
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -32,6 +44,8 @@ const struct omap_sysinfo sysinfo = {
        "Board: OMAP4 Panda\n"
 };
 
+struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000;
+
 /**
  * @brief board_init
  *
@@ -61,29 +75,159 @@ int board_eth_init(bd_t *bis)
  */
 int misc_init_r(void)
 {
+       int phy_type;
+       u32 auxclk, altclksrc;
+
+       /* EHCI is not supported on ES1.0 */
+       if (omap_revision() == OMAP4430_ES1_0)
+               return 0;
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+       if (omap_revision() >= OMAP4460_ES1_0 ||
+               omap_revision() <= OMAP4460_ES1_1)
+               setenv("board_name", strcat(CONFIG_SYS_BOARD, "-es"));
+#endif
+
+       gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO);
+       phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO);
+
+       if (phy_type == 1) {
+               /* ULPI PHY supplied by auxclk3 derived from sys_clk */
+               debug("ULPI PHY supplied by auxclk3\n");
+
+               auxclk = readl(&scrm->auxclk3);
+               /* Select sys_clk */
+               auxclk &= ~AUXCLK_SRCSELECT_MASK;
+               auxclk |=  AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT;
+               /* Set the divisor to 2 */
+               auxclk &= ~AUXCLK_CLKDIV_MASK;
+               auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT;
+               /* Request auxilary clock #3 */
+               auxclk |= AUXCLK_ENABLE_MASK;
+
+               writel(auxclk, &scrm->auxclk3);
+       } else {
+               /* ULPI PHY supplied by auxclk1 derived from PER dpll */
+               debug("ULPI PHY supplied by auxclk1\n");
+
+               auxclk = readl(&scrm->auxclk1);
+               /* Select per DPLL */
+               auxclk &= ~AUXCLK_SRCSELECT_MASK;
+               auxclk |=  AUXCLK_SRCSELECT_PER_DPLL << AUXCLK_SRCSELECT_SHIFT;
+               /* Set the divisor to 16 */
+               auxclk &= ~AUXCLK_CLKDIV_MASK;
+               auxclk |= AUXCLK_CLKDIV_16 << AUXCLK_CLKDIV_SHIFT;
+               /* Request auxilary clock #3 */
+               auxclk |= AUXCLK_ENABLE_MASK;
+
+               writel(auxclk, &scrm->auxclk1);
+       }
+
+       altclksrc = readl(&scrm->altclksrc);
+
+       /* Activate alternate system clock supplier */
+       altclksrc &= ~ALTCLKSRC_MODE_MASK;
+       altclksrc |= ALTCLKSRC_MODE_ACTIVE;
+
+       /* enable clocks */
+       altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK;
+
+       writel(altclksrc, &scrm->altclksrc);
+
        return 0;
 }
 
-void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
+void set_muxconf_regs_essential(void)
 {
-       int i;
-       struct pad_conf_entry *pad = (struct pad_conf_entry *) array;
+       do_set_mux((*ctrl)->control_padconf_core_base,
+                  core_padconf_array_essential,
+                  sizeof(core_padconf_array_essential) /
+                  sizeof(struct pad_conf_entry));
 
-       for (i = 0; i < size; i++, pad++)
-               writew(pad->val, base + pad->offset);
+       do_set_mux((*ctrl)->control_padconf_wkup_base,
+                  wkup_padconf_array_essential,
+                  sizeof(wkup_padconf_array_essential) /
+                  sizeof(struct pad_conf_entry));
+
+       if (omap_revision() >= OMAP4460_ES1_0)
+               do_set_mux((*ctrl)->control_padconf_wkup_base,
+                                wkup_padconf_array_essential_4460,
+                                sizeof(wkup_padconf_array_essential_4460) /
+                                sizeof(struct pad_conf_entry));
 }
 
-/**
- * @brief set_muxconf_regs Setting up the configuration Mux registers
- * specific to the board.
- */
-void set_muxconf_regs(void)
+void set_muxconf_regs_non_essential(void)
 {
-       do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array,
-                  sizeof(core_padconf_array) /
+       do_set_mux((*ctrl)->control_padconf_core_base,
+                  core_padconf_array_non_essential,
+                  sizeof(core_padconf_array_non_essential) /
                   sizeof(struct pad_conf_entry));
 
-       do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array,
-                  sizeof(wkup_padconf_array) /
+       if (omap_revision() < OMAP4460_ES1_0)
+               do_set_mux((*ctrl)->control_padconf_core_base,
+                               core_padconf_array_non_essential_4430,
+                               sizeof(core_padconf_array_non_essential_4430) /
+                               sizeof(struct pad_conf_entry));
+       else
+               do_set_mux((*ctrl)->control_padconf_core_base,
+                               core_padconf_array_non_essential_4460,
+                               sizeof(core_padconf_array_non_essential_4460) /
+                               sizeof(struct pad_conf_entry));
+
+       do_set_mux((*ctrl)->control_padconf_wkup_base,
+                  wkup_padconf_array_non_essential,
+                  sizeof(wkup_padconf_array_non_essential) /
                   sizeof(struct pad_conf_entry));
+
+       if (omap_revision() < OMAP4460_ES1_0)
+               do_set_mux((*ctrl)->control_padconf_wkup_base,
+                               wkup_padconf_array_non_essential_4430,
+                               sizeof(wkup_padconf_array_non_essential_4430) /
+                               sizeof(struct pad_conf_entry));
+}
+
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
+int board_mmc_init(bd_t *bis)
+{
+       return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI
+
+static struct omap_usbhs_board_data usbhs_bdata = {
+       .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
+       .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
+       .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+};
+
+int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+       int ret;
+       unsigned int utmi_clk;
+
+       /* Now we can enable our port clocks */
+       utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL);
+       utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK;
+       sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk);
+
+       ret = omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
+int ehci_hcd_stop(int index)
+{
+       return omap_ehci_hcd_stop();
+}
+#endif
+
+/*
+ * get_board_rev() - get board revision
+ */
+u32 get_board_rev(void)
+{
+       return 0x20;
 }