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author | Tom Rini <trini@ti.com> | 2013-08-13 09:14:02 -0400 |
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committer | Tom Rini <trini@ti.com> | 2013-08-13 09:14:02 -0400 |
commit | b98d934128bcd98106e764d2f492ac79c38ae53d (patch) | |
tree | 5e078614fccb51f34fa8f7aa8d92c4f5f518b686 /board/freescale/common | |
parent | 67cafc0861477bf19a587508ed13f4538c7a281e (diff) | |
parent | 3aab0cd852d7c9565c2559a7983cbb73852bac28 (diff) | |
download | u-boot-imx-b98d934128bcd98106e764d2f492ac79c38ae53d.zip u-boot-imx-b98d934128bcd98106e764d2f492ac79c38ae53d.tar.gz u-boot-imx-b98d934128bcd98106e764d2f492ac79c38ae53d.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'board/freescale/common')
-rw-r--r-- | board/freescale/common/Makefile | 1 | ||||
-rw-r--r-- | board/freescale/common/idt8t49n222a_serdes_clk.c | 207 | ||||
-rw-r--r-- | board/freescale/common/idt8t49n222a_serdes_clk.h | 107 | ||||
-rw-r--r-- | board/freescale/common/qixis.c | 20 |
4 files changed, 335 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index d451f6f..457d1ad 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -54,6 +54,7 @@ COBJS-$(CONFIG_P4080DS) += ics307_clk.o COBJS-$(CONFIG_P5020DS) += ics307_clk.o COBJS-$(CONFIG_P5040DS) += ics307_clk.o COBJS-$(CONFIG_VSC_CROSSBAR) += vsc3316_3308.o +COBJS-$(CONFIG_IDT8T49N222A) += idt8t49n222a_serdes_clk.o # deal with common files for P-series corenet based devices SUBLIB-$(CONFIG_P2041RDB) += p_corenet/libp_corenet.o diff --git a/board/freescale/common/idt8t49n222a_serdes_clk.c b/board/freescale/common/idt8t49n222a_serdes_clk.c new file mode 100644 index 0000000..d347162 --- /dev/null +++ b/board/freescale/common/idt8t49n222a_serdes_clk.c @@ -0,0 +1,207 @@ +/* + * 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; +} diff --git a/board/freescale/common/idt8t49n222a_serdes_clk.h b/board/freescale/common/idt8t49n222a_serdes_clk.h new file mode 100644 index 0000000..787bdd9 --- /dev/null +++ b/board/freescale/common/idt8t49n222a_serdes_clk.h @@ -0,0 +1,107 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * Author: Shaveta Leekha <shaveta@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __IDT8T49N222A_SERDES_CLK_H_ +#define __IDT8T49N222A_SERDES_CLK_H_ 1 + +#include <common.h> +#include <i2c.h> +#include "qixis.h" +#include "../b4860qds/b4860qds_qixis.h" +#include <errno.h> + +#define NUM_IDT_REGS 23 +#define NUM_IDT_REGS_FEEDBACK 12 +#define NUM_IDT_REGS_156_25 11 + +/* CLK */ +enum serdes_refclk { + SERDES_REFCLK_100, /* refclk 100Mhz */ + SERDES_REFCLK_122_88, /* refclk 122.88Mhz */ + SERDES_REFCLK_125, /* refclk 125Mhz */ + SERDES_REFCLK_156_25, /* refclk 156.25Mhz */ + SERDES_REFCLK_NONE = -1, +}; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 = 122.88MHz Refclk2 = 122.88MHz + */ +static const u8 idt_conf_122_88[23][2] = { {0x00, 0x3C}, {0x01, 0x00}, + {0x02, 0x9F}, {0x03, 0x00}, {0x04, 0x0B}, {0x05, 0x00}, + {0x06, 0x00}, {0x07, 0x00}, {0x08, 0x7D}, {0x09, 0x00}, + {0x0A, 0x08}, {0x0B, 0x00}, {0x0C, 0xDC}, {0x0D, 0x00}, + {0x0E, 0x00}, {0x0F, 0x00}, {0x10, 0x12}, {0x11, 0x12}, + {0x12, 0xB9}, {0x13, 0xBC}, {0x14, 0x40}, {0x15, 0x08}, + {0x16, 0xA0} }; + + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 not equal to 122.88MHz Refclk2 not equal to 122.88MHz + */ +static const u8 idt_conf_not_122_88[23][2] = { {0x00, 0x00}, {0x01, 0x00}, + {0x02, 0x00}, {0x03, 0x00}, {0x04, 0x0A}, {0x05, 0x00}, + {0x06, 0x00}, {0x07, 0x00}, {0x08, 0x7D}, {0x09, 0x00}, + {0x0A, 0x08}, {0x0B, 0x00}, {0x0C, 0xDC}, {0x0D, 0x00}, + {0x0E, 0x00}, {0x0F, 0x00}, {0x10, 0x14}, {0x11, 0x14}, + {0x12, 0x35}, {0x13, 0xBC}, {0x14, 0x40}, {0x15, 0x08}, + {0x16, 0xA0} }; + +/* Reconfiguration values for some of IDT registers for + * Output Refclks: + * Refclk1 = 122.88MHz Refclk2 = 122.88MHz + * and with feedback as 1 + */ +static const u8 idt_conf_122_88_feedback[12][2] = { {0x00, 0x50}, {0x02, 0xD7}, + {0x04, 0x89}, {0x06, 0xC3}, {0x08, 0xC0}, {0x0A, 0x07}, + {0x0C, 0x80}, {0x10, 0x10}, {0x11, 0x10}, {0x12, 0x1B}, + {0x14, 0x00}, {0x15, 0xE8} }; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 : 156.25MHz Refclk2 : 156.25MHz + */ +static const u8 idt_conf_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03}, + {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20}, + {0x10, 0x10}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C}, + {0x15, 0xE8} }; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 : 100MHz Refclk2 : 156.25MHz + */ +static const u8 idt_conf_100_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03}, + {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20}, + {0x10, 0x19}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C}, + {0x15, 0xE8} }; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 : 125MHz Refclk2 : 156.25MHz + */ +static const u8 idt_conf_125_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03}, + {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20}, + {0x10, 0x14}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C}, + {0x15, 0xE8} }; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 : 156.25MHz Refclk2 : 100MHz + */ +static const u8 idt_conf_156_25_100[11][2] = { {0x04, 0x19}, {0x06, 0x03}, + {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20}, + {0x10, 0x10}, {0x11, 0x19}, {0x12, 0xB5}, {0x13, 0x3C}, + {0x15, 0xE8} }; + +/* configuration values for IDT registers for Output Refclks: + * Refclk1 : 156.25MHz Refclk2 : 125MHz + */ +static const u8 idt_conf_156_25_125[11][2] = { {0x04, 0x19}, {0x06, 0x03}, + {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20}, + {0x10, 0x10}, {0x11, 0x14}, {0x12, 0xB5}, {0x13, 0x3C}, + {0x15, 0xE8} }; + +int set_serdes_refclk(u8 idt_addr, u8 serdes_num, + enum serdes_refclk refclk1, + enum serdes_refclk refclk2, u8 feedback); + +#endif /*__IDT8T49N222A_SERDES_CLK_H_ */ diff --git a/board/freescale/common/qixis.c b/board/freescale/common/qixis.c index 40ce6b0..a49e300 100644 --- a/board/freescale/common/qixis.c +++ b/board/freescale/common/qixis.c @@ -107,6 +107,26 @@ const char *byte_to_binary_mask(u8 val, u8 mask, char *buf) return buf; } +#ifdef QIXIS_RST_FORCE_MEM +void board_assert_mem_reset(void) +{ + u8 rst; + + rst = QIXIS_READ(rst_frc[0]); + if (!(rst & QIXIS_RST_FORCE_MEM)) + QIXIS_WRITE(rst_frc[0], rst | QIXIS_RST_FORCE_MEM); +} + +void board_deassert_mem_reset(void) +{ + u8 rst; + + rst = QIXIS_READ(rst_frc[0]); + if (rst & QIXIS_RST_FORCE_MEM) + QIXIS_WRITE(rst_frc[0], rst & ~QIXIS_RST_FORCE_MEM); +} +#endif + void qixis_reset(void) { QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET); |