@@ -5,17 +5,25 @@
*/
#include <common.h>
+#include <dm.h>
#include <asm/arch-tegra/ap.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include <power/as3722.h>
+#include <power/pmic.h>
#include "../common/tdx-common.h"
#include "pinmux-config-apalis-tk1.h"
-#define LAN_RESET_N TEGRA_GPIO(S, 2)
+#define LAN_DEV_OFF_N TEGRA_GPIO(O, 6)
+#define LAN_RESET_N TEGRA_GPIO(S, 2)
+#define LAN_WAKE_N TEGRA_GPIO(O, 5)
+#ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
+#define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
+#define RESET_MOCI_CTRL TEGRA_GPIO(U, 4)
+#endif /* APALIS_TK1_PCIE_EVALBOARD_INIT */
int arch_misc_init(void)
{
@@ -59,123 +67,166 @@ void pinmux_init(void)
}
#ifdef CONFIG_PCI_TEGRA
-int tegra_pcie_board_init(void)
+/* TODO: Convert to driver model */
+static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
{
- /* TODO: Convert to driver model
- struct udevice *pmic;
int err;
- err = as3722_init(&pmic);
- if (err) {
- error("failed to initialize AS3722 PMIC: %d\n", err);
- return err;
- }
+ if (sd > 6)
+ return -EINVAL;
- err = as3722_sd_enable(pmic, 4);
- if (err < 0) {
- error("failed to enable SD4: %d\n", err);
+ err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
+ if (err) {
+ error("failed to update SD control register: %d", err);
return err;
}
- err = as3722_sd_set_voltage(pmic, 4, 0x24);
- if (err < 0) {
- error("failed to set SD4 voltage: %d\n", err);
- return err;
- }
+ return 0;
+}
- err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH |
- AS3722_GPIO_INVERT);
- if (err < 0) {
- error("failed to configure GPIO#1 as output: %d\n", err);
- return err;
- }
+/* TODO: Convert to driver model */
+static int as3722_ldo_enable(struct udevice *pmic, unsigned int ldo)
+{
+ int err;
- err = as3722_gpio_direction_output(pmic, 2, 1);
- if (err < 0) {
- error("failed to set GPIO#2 high: %d\n", err);
- return err;
- }
- */
+ if (ldo > 11)
+ return -EINVAL;
- /* Reset I210 Gigabit Ethernet Controller */
- gpio_request(LAN_RESET_N, "LAN_RESET_N");
- gpio_direction_output(LAN_RESET_N, 0);
-
- /*
- * Make sure we don't get any back feeding from LAN_WAKE_N resp.
- * DEV_OFF_N
- */
- gpio_request(TEGRA_GPIO(O, 5), "LAN_WAKE_N");
- gpio_direction_output(TEGRA_GPIO(O, 5), 0);
-
- gpio_request(TEGRA_GPIO(O, 6), "LAN_DEV_OFF_N");
- gpio_direction_output(TEGRA_GPIO(O, 6), 0);
-
- /* Make sure LDO9 and LDO10 are initially enabled @ 0V */
- /* TODO: Convert to driver model
- err = as3722_ldo_enable(pmic, 9);
- if (err < 0) {
- error("failed to enable LDO9: %d\n", err);
- return err;
- }
- err = as3722_ldo_enable(pmic, 10);
- if (err < 0) {
- error("failed to enable LDO10: %d\n", err);
- return err;
- }
- err = as3722_ldo_set_voltage(pmic, 9, 0x80);
- if (err < 0) {
- error("failed to set LDO9 voltage: %d\n", err);
- return err;
- }
- err = as3722_ldo_set_voltage(pmic, 10, 0x80);
- if (err < 0) {
- error("failed to set LDO10 voltage: %d\n", err);
+ err = pmic_clrsetbits(pmic, AS3722_LDO_CONTROL, 0, 1 << ldo);
+ if (err) {
+ error("failed to update LDO control register: %d", err);
return err;
}
- */
- mdelay(100);
+ return 0;
+}
- /* Make sure controller gets enabled by disabling DEV_OFF_N */
- gpio_set_value(TEGRA_GPIO(O, 6), 1);
+int tegra_pcie_board_init(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_PMIC,
+ DM_GET_DRIVER(pmic_as3722), &dev);
+ if (ret) {
+ debug("%s: Failed to find PMIC\n", __func__);
+ return ret;
+ }
- /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
- /* TODO: Convert to driver model
- err = as3722_ldo_set_voltage(pmic, 9, 0xff);
- if (err < 0) {
- error("failed to set LDO9 voltage: %d\n", err);
- return err;
+ ret = as3722_sd_enable(dev, 4);
+ if (ret < 0) {
+ error("failed to enable SD4: %d\n", ret);
+ return ret;
}
- err = as3722_ldo_set_voltage(pmic, 10, 0xff);
- if (err < 0) {
- error("failed to set LDO10 voltage: %d\n", err);
- return err;
+
+ ret = as3722_sd_set_voltage(dev, 4, 0x24);
+ if (ret < 0) {
+ error("failed to set SD4 voltage: %d\n", ret);
+ return ret;
}
- */
- mdelay(100);
- gpio_set_value(LAN_RESET_N, 1);
+ gpio_request(LAN_DEV_OFF_N, "LAN_DEV_OFF_N");
+ gpio_request(LAN_RESET_N, "LAN_RESET_N");
+ gpio_request(LAN_WAKE_N, "LAN_WAKE_N");
#ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
-#define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
-#define RESET_MOCI_CTRL TEGRA_GPIO(U, 4)
-
- /* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation
- Board */
gpio_request(PEX_PERST_N, "PEX_PERST_N");
gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL");
- gpio_direction_output(PEX_PERST_N, 0);
- gpio_direction_output(RESET_MOCI_CTRL, 0);
- /* Must be asserted for 100 ms after power and clocks are stable */
- mdelay(100);
- gpio_set_value(PEX_PERST_N, 1);
- /* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until
- 900 us After PEX_PERST# De-assertion */
- mdelay(1);
- gpio_set_value(RESET_MOCI_CTRL, 1);
-#endif /* APALIS_T30_PCIE_EVALBOARD_INIT */
+#endif /* APALIS_TK1_PCIE_EVALBOARD_INIT */
return 0;
}
+
+void tegra_pcie_port_reset(void *port, unsigned int index)
+{
+ if (index == 1) { /* I210 Gigabit Ethernet Controller (On-module) */
+ struct udevice *dev;
+ int ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_PMIC,
+ DM_GET_DRIVER(pmic_as3722),
+ &dev);
+ if (ret) {
+ debug("%s: Failed to find PMIC\n", __func__);
+ return;
+ }
+
+ /* Reset I210 Gigabit Ethernet Controller */
+ gpio_direction_output(LAN_RESET_N, 0);
+
+ /*
+ * Make sure we don't get any back feeding from DEV_OFF_N resp.
+ * LAN_WAKE_N
+ */
+ gpio_direction_output(LAN_DEV_OFF_N, 0);
+ gpio_direction_output(LAN_WAKE_N, 0);
+
+ /* Make sure LDO9 and LDO10 are initially enabled @ 0V */
+ ret = as3722_ldo_enable(dev, 9);
+ if (ret < 0) {
+ error("failed to enable LDO9: %d\n", ret);
+ return;
+ }
+ ret = as3722_ldo_enable(dev, 10);
+ if (ret < 0) {
+ error("failed to enable LDO10: %d\n", ret);
+ return;
+ }
+ ret = as3722_ldo_set_voltage(dev, 9, 0x80);
+ if (ret < 0) {
+ error("failed to set LDO9 voltage: %d\n", ret);
+ return;
+ }
+ ret = as3722_ldo_set_voltage(dev, 10, 0x80);
+ if (ret < 0) {
+ error("failed to set LDO10 voltage: %d\n", ret);
+ return;
+ }
+
+ /* Make sure controller gets enabled by disabling DEV_OFF_N */
+ gpio_set_value(LAN_DEV_OFF_N, 1);
+
+ /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
+ ret = as3722_ldo_set_voltage(dev, 9, 0xff);
+ if (ret < 0) {
+ error("failed to set LDO9 voltage: %d\n", ret);
+ return;
+ }
+ ret = as3722_ldo_set_voltage(dev, 10, 0xff);
+ if (ret < 0) {
+ error("failed to set LDO10 voltage: %d\n", ret);
+ return;
+ }
+
+ /*
+ * Must be asserted for 100 ms after power and clocks are stable
+ */
+ mdelay(100);
+
+ gpio_set_value(LAN_RESET_N, 1);
+
+ } else if (index == 0) { /* Apalis PCIe */
+#ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
+ /*
+ * Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis
+ * Evaluation Board
+ */
+ gpio_direction_output(PEX_PERST_N, 0);
+ gpio_direction_output(RESET_MOCI_CTRL, 0);
+
+ /*
+ * Must be asserted for 100 ms after power and clocks are stable
+ */
+ mdelay(100);
+
+ gpio_set_value(PEX_PERST_N, 1);
+ /*
+ * Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed
+ * Until 900 us After PEX_PERST# De-assertion
+ */
+ mdelay(1);
+ gpio_set_value(RESET_MOCI_CTRL, 1);
+#endif /* APALIS_TK1_PCIE_EVALBOARD_INIT */
+ }
+}
#endif /* CONFIG_PCI_TEGRA */