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path: root/qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c
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Diffstat (limited to 'qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c')
-rw-r--r--qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c207
1 files changed, 0 insertions, 207 deletions
diff --git a/qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c b/qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c
deleted file mode 100644
index d34716227..000000000
--- a/qemu/roms/u-boot/board/freescale/common/idt8t49n222a_serdes_clk.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Copyright 2013 Freescale Semiconductor, Inc.
- * Author: Shaveta Leekha <shaveta@freescale.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include "idt8t49n222a_serdes_clk.h"
-
-#define DEVICE_ID_REG 0x00
-
-static int check_pll_status(u8 idt_addr)
-{
- u8 val = 0;
- int ret;
-
- ret = i2c_read(idt_addr, 0x17, 1, &val, 1);
- if (ret < 0) {
- printf("IDT:0x%x could not read status register from device.\n",
- idt_addr);
- return ret;
- }
-
- if (val & 0x04) {
- debug("idt8t49n222a PLL is LOCKED: %x\n", val);
- } else {
- printf("idt8t49n222a PLL is not LOCKED: %x\n", val);
- return -1;
- }
-
- return 0;
-}
-
-int set_serdes_refclk(u8 idt_addr, u8 serdes_num,
- enum serdes_refclk refclk1,
- enum serdes_refclk refclk2, u8 feedback)
-{
- u8 dev_id = 0;
- int i, ret;
-
- debug("IDT:Configuring idt8t49n222a device at I2C address: 0x%2x\n",
- idt_addr);
-
- ret = i2c_read(idt_addr, DEVICE_ID_REG, 1, &dev_id, 1);
- if (ret < 0) {
- debug("IDT:0x%x could not read DEV_ID from device.\n",
- idt_addr);
- return ret;
- }
-
- if ((dev_id != 0x00) && (dev_id != 0x24) && (dev_id != 0x2a)) {
- debug("IDT: device at address 0x%x is not idt8t49n222a.\n",
- idt_addr);
- }
-
- if (serdes_num != 1 && serdes_num != 2) {
- debug("serdes_num should be 1 for SerDes1 and"
- " 2 for SerDes2.\n");
- return -1;
- }
-
- if ((refclk1 == SERDES_REFCLK_122_88 && refclk2 != SERDES_REFCLK_122_88)
- || (refclk1 != SERDES_REFCLK_122_88
- && refclk2 == SERDES_REFCLK_122_88)) {
- debug("Only one refclk at 122.88MHz is not supported."
- " Please set both refclk1 & refclk2 to 122.88MHz"
- " or both not to 122.88MHz.\n");
- return -1;
- }
-
- if (refclk1 != SERDES_REFCLK_100 && refclk1 != SERDES_REFCLK_122_88
- && refclk1 != SERDES_REFCLK_125
- && refclk1 != SERDES_REFCLK_156_25) {
- debug("refclk1 should be 100MHZ, 122.88MHz, 125MHz"
- " or 156.25MHz.\n");
- return -1;
- }
-
- if (refclk2 != SERDES_REFCLK_100 && refclk2 != SERDES_REFCLK_122_88
- && refclk2 != SERDES_REFCLK_125
- && refclk2 != SERDES_REFCLK_156_25) {
- debug("refclk2 should be 100MHZ, 122.88MHz, 125MHz"
- " or 156.25MHz.\n");
- return -1;
- }
-
- if (feedback != 0 && feedback != 1) {
- debug("valid values for feedback are 0(default) or 1.\n");
- return -1;
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 122.88MHz Refclk2 = 122.88MHz
- */
- if (refclk1 == SERDES_REFCLK_122_88 &&
- refclk2 == SERDES_REFCLK_122_88) {
- printf("Setting refclk1:122.88 and refclk2:122.88\n");
- for (i = 0; i < NUM_IDT_REGS; i++)
- i2c_reg_write(idt_addr, idt_conf_122_88[i][0],
- idt_conf_122_88[i][1]);
-
- if (feedback) {
- for (i = 0; i < NUM_IDT_REGS_FEEDBACK; i++)
- i2c_reg_write(idt_addr,
- idt_conf_122_88_feedback[i][0],
- idt_conf_122_88_feedback[i][1]);
- }
- }
-
- if (refclk1 != SERDES_REFCLK_122_88 &&
- refclk2 != SERDES_REFCLK_122_88) {
- for (i = 0; i < NUM_IDT_REGS; i++)
- i2c_reg_write(idt_addr, idt_conf_not_122_88[i][0],
- idt_conf_not_122_88[i][1]);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 100MHz Refclk2 = 125MHz
- */
- if (refclk1 == SERDES_REFCLK_100 && refclk2 == SERDES_REFCLK_125) {
- printf("Setting refclk1:100 and refclk2:125\n");
- i2c_reg_write(idt_addr, 0x11, 0x10);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 125MHz Refclk2 = 125MHz
- */
- if (refclk1 == SERDES_REFCLK_125 && refclk2 == SERDES_REFCLK_125) {
- printf("Setting refclk1:125 and refclk2:125\n");
- i2c_reg_write(idt_addr, 0x10, 0x10);
- i2c_reg_write(idt_addr, 0x11, 0x10);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 125MHz Refclk2 = 100MHz
- */
- if (refclk1 == SERDES_REFCLK_125 && refclk2 == SERDES_REFCLK_100) {
- printf("Setting refclk1:125 and refclk2:100\n");
- i2c_reg_write(idt_addr, 0x10, 0x10);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 156.25MHz Refclk2 = 156.25MHz
- */
- if (refclk1 == SERDES_REFCLK_156_25 &&
- refclk2 == SERDES_REFCLK_156_25) {
- printf("Setting refclk1:156.25 and refclk2:156.25\n");
- for (i = 0; i < NUM_IDT_REGS_156_25; i++)
- i2c_reg_write(idt_addr, idt_conf_156_25[i][0],
- idt_conf_156_25[i][1]);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 100MHz Refclk2 = 156.25MHz
- */
- if (refclk1 == SERDES_REFCLK_100 &&
- refclk2 == SERDES_REFCLK_156_25) {
- printf("Setting refclk1:100 and refclk2:156.25\n");
- for (i = 0; i < NUM_IDT_REGS_156_25; i++)
- i2c_reg_write(idt_addr, idt_conf_100_156_25[i][0],
- idt_conf_100_156_25[i][1]);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 125MHz Refclk2 = 156.25MHz
- */
- if (refclk1 == SERDES_REFCLK_125 &&
- refclk2 == SERDES_REFCLK_156_25) {
- printf("Setting refclk1:125 and refclk2:156.25\n");
- for (i = 0; i < NUM_IDT_REGS_156_25; i++)
- i2c_reg_write(idt_addr, idt_conf_125_156_25[i][0],
- idt_conf_125_156_25[i][1]);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 156.25MHz Refclk2 = 100MHz
- */
- if (refclk1 == SERDES_REFCLK_156_25 &&
- refclk2 == SERDES_REFCLK_100) {
- printf("Setting refclk1:156.25 and refclk2:100\n");
- for (i = 0; i < NUM_IDT_REGS_156_25; i++)
- i2c_reg_write(idt_addr, idt_conf_156_25_100[i][0],
- idt_conf_156_25_100[i][1]);
- }
-
- /* Configuring IDT for output refclks as
- * Refclk1 = 156.25MHz Refclk2 = 125MHz
- */
- if (refclk1 == SERDES_REFCLK_156_25 &&
- refclk2 == SERDES_REFCLK_125) {
- printf("Setting refclk1:156.25 and refclk2:125\n");
- for (i = 0; i < NUM_IDT_REGS_156_25; i++)
- i2c_reg_write(idt_addr, idt_conf_156_25_125[i][0],
- idt_conf_156_25_125[i][1]);
- }
-
- /* waiting for maximum of 1 second if PLL doesn'r get locked
- * initially. then check the status again.
- */
- if (check_pll_status(idt_addr)) {
- mdelay(1000);
- if (check_pll_status(idt_addr))
- return -1;
- }
-
- return 0;
-}