From 87a65e63bac789bca0607e0b4ab09d62517b95e7 Mon Sep 17 00:00:00 2001 From: Ed Tanous Date: Wed, 29 May 2019 10:29:58 -0700 Subject: Update to internal Signed-off-by: Ed Tanous --- ...d-sgio-support-for-port80-snoop-post-LEDs.patch | 22 +- ...acturing-mode-physical-presence-detection.patch | 121 ++ .../files/0026-Aspeed-I2C-support-in-U-Boot.patch | 1520 ++++++++++++++++++++ ...0027-CPLD-u-boot-commands-support-for-PFR.patch | 300 ++++ ...g-uart1-uart2-in-u-boot-for-BIOS-messages.patch | 61 + .../recipes-bsp/u-boot/u-boot-aspeed_%.bbappend | 4 + .../u-boot/u-boot-fw-utils-aspeed_%.bbappend | 37 + 7 files changed, 2054 insertions(+), 11 deletions(-) create mode 100644 meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch create mode 100644 meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0026-Aspeed-I2C-support-in-U-Boot.patch create mode 100644 meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0027-CPLD-u-boot-commands-support-for-PFR.patch create mode 100644 meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch create mode 100644 meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-fw-utils-aspeed_%.bbappend (limited to 'meta-openbmc-mods/meta-common/recipes-bsp') diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0008-add-sgio-support-for-port80-snoop-post-LEDs.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0008-add-sgio-support-for-port80-snoop-post-LEDs.patch index cb61bd545..e16b0f158 100644 --- a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0008-add-sgio-support-for-port80-snoop-post-LEDs.patch +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0008-add-sgio-support-for-port80-snoop-post-LEDs.patch @@ -1,7 +1,7 @@ -From cf43453a75880cf53ea7bbf5859706f2a7cae292 Mon Sep 17 00:00:00 2001 +From c3b44c02392d33cfec85056fd323d93fdc6e523f Mon Sep 17 00:00:00 2001 From: Vernon Mauery Date: Wed, 14 Nov 2018 12:09:52 -0800 -Subject: [PATCH 3/7] add sgio support for port80 snoop post LEDs +Subject: [PATCH] add sgio support for port80 snoop post LEDs This ties together the port 80 snooping to the SGPIO output that ultimately drives the POST code LEDs. @@ -10,15 +10,15 @@ Signed-off-by: Vernon Mauery Change-Id: Iaa1b91cd40f4b6323dba0598da373cb631459e66 --- arch/arm/include/asm/arch-aspeed/ast_scu.h | 1 + - arch/arm/mach-aspeed/ast-scu.c | 8 ++ - board/aspeed/ast-g5/ast-g5-intel.c | 96 ++++++++++++++++++++++ + arch/arm/mach-aspeed/ast-scu.c | 8 +++ + board/aspeed/ast-g5/ast-g5-intel.c | 96 ++++++++++++++++++++++++++++++ 3 files changed, 105 insertions(+) diff --git a/arch/arm/include/asm/arch-aspeed/ast_scu.h b/arch/arm/include/asm/arch-aspeed/ast_scu.h -index 98e63351f1..c10e6a9d4b 100644 +index 06825ce..369c4e3 100644 --- a/arch/arm/include/asm/arch-aspeed/ast_scu.h +++ b/arch/arm/include/asm/arch-aspeed/ast_scu.h -@@ -44,6 +44,7 @@ extern u32 ast_scu_get_vga_memsize(void); +@@ -45,6 +45,7 @@ extern u32 ast_scu_get_vga_memsize(void); extern void ast_scu_init_eth(u8 num); extern void ast_scu_multi_func_eth(u8 num); extern void ast_scu_multi_func_romcs(u8 num); @@ -27,10 +27,10 @@ index 98e63351f1..c10e6a9d4b 100644 void ast_config_uart5_clk(void); diff --git a/arch/arm/mach-aspeed/ast-scu.c b/arch/arm/mach-aspeed/ast-scu.c -index c83931ed54..63e9c7c167 100644 +index d27f3d3..3a9ba05 100644 --- a/arch/arm/mach-aspeed/ast-scu.c +++ b/arch/arm/mach-aspeed/ast-scu.c -@@ -407,6 +407,14 @@ void ast_scu_multi_func_romcs(u8 num) +@@ -449,6 +449,14 @@ void ast_scu_multi_func_romcs(u8 num) SCU_FUN_PIN_ROMCS(num), AST_SCU_FUN_PIN_CTRL3); } @@ -46,7 +46,7 @@ index c83931ed54..63e9c7c167 100644 { int i; diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c -index e79235c8d0..fca4d91115 100644 +index e79235c..c2a8b33 100644 --- a/board/aspeed/ast-g5/ast-g5-intel.c +++ b/board/aspeed/ast-g5/ast-g5-intel.c @@ -8,9 +8,105 @@ @@ -136,7 +136,7 @@ index e79235c8d0..fca4d91115 100644 + + /* enable lpc snoop #0 and SIOGIO */ + value = readl(AST_LPC_BASE + HICR5) & ~(HICR5_UNKVAL_MASK); -+ value |= HICR5_EN_SIOGIO | HICR5_EN_SNP0W | HICR5_ENINT_SNP0W; ++ value |= HICR5_EN_SIOGIO | HICR5_EN_SNP0W; + writel(value, AST_LPC_BASE + HICR5); + + @@ -156,5 +156,5 @@ index e79235c8d0..fca4d91115 100644 + sgpio_init(); } -- -2.17.1 +2.7.4 diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch new file mode 100644 index 000000000..f6f402bc9 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch @@ -0,0 +1,121 @@ +From 6b4e1b3672433c0d7d392404e19d114ae25e0eb2 Mon Sep 17 00:00:00 2001 +From: Richard Marian Thomaiyar +Date: Wed, 24 Apr 2019 22:35:43 +0530 +Subject: [PATCH] Manufacturing mode physical presence detection + +Support for physical presence of manufacturing mode added. +Front panel power button press for 8 seconds will be detected +and marked as special mode for manufacturing request + +Tested: +1. Verified by holding the power button when u-boot boots for +8 seconds, and confirmed that bootargs passed to linux has +special=mfg string +2. Verified in normal condition special=mfg string is not passed. + +Change-Id: Id7e7c7e7860c7ef3ae8e3a7a7cfda7ff506c0f2b +Signed-off-by: Richard Marian Thomaiyar +--- + board/aspeed/ast-g5/ast-g5-gpio.h | 2 +- + board/aspeed/ast-g5/ast-g5-intel.c | 39 ++++++++++++++++++++++++++++++++++++-- + 2 files changed, 38 insertions(+), 3 deletions(-) + +diff --git a/board/aspeed/ast-g5/ast-g5-gpio.h b/board/aspeed/ast-g5/ast-g5-gpio.h +index a820c0f..ed2499f 100644 +--- a/board/aspeed/ast-g5/ast-g5-gpio.h ++++ b/board/aspeed/ast-g5/ast-g5-gpio.h +@@ -72,7 +72,7 @@ + #define AMB_LED_PORT_PIN PORT_PIN(GPIO_PORT_S, GPIO_PIN_5) + #define FORCE_BMC_UPDATE_PORT_PIN PORT_PIN(GPIO_PORT_D, GPIO_PIN_0) + #define TPM_EN_PULSE_PORT_PIN PORT_PIN(GPIO_PORT_D, GPIO_PIN_6) +- ++#define FP_PWR_BTN_PORT_PIN PORT_PIN(GPIO_PORT_E, GPIO_PIN_2) + + // GPIO Configuration Register bits + #define GPCFG_EVENT_TO_SMI (1 << 7) // 1 == enabled +diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c +index 881ab89..86b422f 100644 +--- a/board/aspeed/ast-g5/ast-g5-intel.c ++++ b/board/aspeed/ast-g5/ast-g5-intel.c +@@ -24,6 +24,7 @@ enum gpio_names { + GPIO_AMBER_LED, + GPIO_FF_UPD_JUMPER, + GPIO_ENABLE_TPM_PULSE, ++ GPIO_FP_PWR_BTN, + }; + + #define GPIO_CFG_DEFAULT (GPCFG_ACTIVE_HIGH | GPCFG_LEVEL_TRIG) +@@ -55,6 +56,10 @@ static const GPIOValue gpio_table[] = { + /* Enable Pulse -- pin D6 */ + [GPIO_ENABLE_TPM_PULSE] = {TPM_EN_PULSE_PORT_PIN, GPCFG_OUTPUT_EN, 0, + GPIO_DEBOUNCE_NONE}, ++ /* Front Panel Power Button -- pin E2 */ ++ [GPIO_FP_PWR_BTN] = {FP_PWR_BTN_PORT_PIN, GPIO_CFG_DEFAULT, 0, ++ GPIO_DEBOUNCE_8MS}, ++ + }; + + #define LPC_SNOOP_ADDR 0x80 +@@ -313,12 +318,35 @@ static inline void ast_scu_write(uint32_t val, uint32_t reg) + #endif + } + ++static bool is_mfg_mode_phy_req(void) ++{ ++ /* ++ * Assume mfg mode physical request is made, if power button ++ * is pressed continously for 8 seconds, indicate the ++ * same in bootargs ++ */ ++ const uint32_t delay_in_ms = 100; ++ const uint32_t read_count = ((8 * 1000) / delay_in_ms); ++ for (uint32_t count = 0; count < read_count; ++count) { ++ if (!gpio_get_value(GPIO_FP_PWR_BTN)) ++ return false; ++ ++ mdelay(delay_in_ms); ++ } ++ debug("is_mfg_mode_phy_req : detected mfg mode request\n"); ++ ++ return true; ++} ++ + void ast_g5_intel_late_init(void) + { + char *cmdline = NULL; + char *cmdline_new = NULL; + char buf[32]; + u32 rest = 0; ++ const char *special_mfg_str = " special=mfg"; ++ const u32 special_str_size = strlen(special_mfg_str); ++ u32 buf_count = 0; + + /* By default host serail A and B use normal speed */ + uint32_t host_serial_cfg = 0; +@@ -367,14 +395,21 @@ void ast_g5_intel_late_init(void) + return; + } + +- cmdline_new = malloc(strlen(cmdline) + strlen(buf) + 1); ++ cmdline_new = malloc(strlen(cmdline) + strlen(buf) + ++ special_str_size + 1); + if (!cmdline_new) { + printf("Cannot malloc memory!\n"); + return; + } + + /* append the reset status into kernel command line */ +- snprintf(cmdline_new, strlen(cmdline) + strlen(buf) + 1, "%s%s", cmdline, buf); ++ buf_count = snprintf(cmdline_new, strlen(cmdline) + strlen(buf) + 1, ++ "%s%s", cmdline, buf); ++ ++ if (is_mfg_mode_phy_req()) ++ snprintf(cmdline_new + buf_count - 1, special_str_size + 1, ++ "%s", special_mfg_str); ++ + setenv("bootargs", cmdline_new); + free(cmdline_new); + } +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0026-Aspeed-I2C-support-in-U-Boot.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0026-Aspeed-I2C-support-in-U-Boot.patch new file mode 100644 index 000000000..950763d8e --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0026-Aspeed-I2C-support-in-U-Boot.patch @@ -0,0 +1,1520 @@ +From a1626519109c9bda02119114224f3759add21f00 Mon Sep 17 00:00:00 2001 +From: AppaRao Puli +Date: Mon, 6 May 2019 03:01:55 +0530 +Subject: [PATCH] Aspeed I2C support in U-Boot + +Adding Aspeed I2C support in u-boot and enabled +i2c command. It is mainly used for PFR to +communicate with PFR CPLD while BMC is in +"Force Firmware Update" mode. + +Tested: +Using i2c command in u-boot, validated +i2c functionalities like probe, read and write. + +Change-Id: Iad9af4a57a58bc8dc5c470bfadad9dac1371c238 +Signed-off-by: AppaRao Puli +--- + arch/arm/include/asm/arch-aspeed/ast_g5_platform.h | 14 + + arch/arm/include/asm/arch-aspeed/ast_scu.h | 5 + + arch/arm/include/asm/arch-aspeed/regs-iic.h | 204 +++++ + arch/arm/mach-aspeed/ast-scu.c | 122 +++ + board/aspeed/ast-g5/ast-g5.c | 8 + + configs/ast_g5_phy_defconfig | 2 + + drivers/i2c/Kconfig | 5 + + drivers/i2c/Makefile | 1 + + drivers/i2c/ast_i2c.c | 849 +++++++++++++++++++++ + drivers/i2c/ast_i2c.h | 131 ++++ + include/configs/ast-common.h | 5 + + 11 files changed, 1346 insertions(+) + create mode 100644 arch/arm/include/asm/arch-aspeed/regs-iic.h + create mode 100644 drivers/i2c/ast_i2c.c + create mode 100644 drivers/i2c/ast_i2c.h + +diff --git a/arch/arm/include/asm/arch-aspeed/ast_g5_platform.h b/arch/arm/include/asm/arch-aspeed/ast_g5_platform.h +index 4210873..a84f471 100644 +--- a/arch/arm/include/asm/arch-aspeed/ast_g5_platform.h ++++ b/arch/arm/include/asm/arch-aspeed/ast_g5_platform.h +@@ -105,6 +105,20 @@ + #define AST_LPC_BASE 0x1E789000 /* LPC */ + #define AST_MBX_BASE 0x1E789200 /* Mailbox */ + #define AST_I2C_BASE 0x1E78A000 /* I2C */ ++#define AST_I2C_DEV0_BASE 0x1E78A040 /* I2C DEV1 */ ++#define AST_I2C_DEV1_BASE 0x1E78A080 /* I2C DEV2 */ ++#define AST_I2C_DEV2_BASE 0x1E78A0C0 /* I2C DEV3 */ ++#define AST_I2C_DEV3_BASE 0x1E78A100 /* I2C DEV4 */ ++#define AST_I2C_DEV4_BASE 0x1E78A140 /* I2C DEV5 */ ++#define AST_I2C_DEV5_BASE 0x1E78A180 /* I2C DEV6 */ ++#define AST_I2C_DEV6_BASE 0x1E78A1C0 /* I2C DEV7 */ ++#define AST_I2C_DEV7_BASE 0x1E78A300 /* I2C DEV8 */ ++#define AST_I2C_DEV8_BASE 0x1E78A340 /* I2C DEV9 */ ++#define AST_I2C_DEV9_BASE 0x1E78A380 /* I2C DEV10 */ ++#define AST_I2C_DEV10_BASE 0x1E78A3C0 /* I2C DEV11 */ ++#define AST_I2C_DEV11_BASE 0x1E78A400 /* I2C DEV12 */ ++#define AST_I2C_DEV12_BASE 0x1E78A440 /* I2C DEV13 */ ++#define AST_I2C_DEV13_BASE 0x1E78A480 /* I2C DEV14 */ + #define AST_PECI_BASE 0x1E78B000 /* PECI */ + #define AST_PCIARBITER_BASE 0x1E78C000 /* PCI ARBITER */ + #define AST_UART2_BASE 0x1E78D000 /* UART2 */ +diff --git a/arch/arm/include/asm/arch-aspeed/ast_scu.h b/arch/arm/include/asm/arch-aspeed/ast_scu.h +index 369c4e3..b94d13e 100644 +--- a/arch/arm/include/asm/arch-aspeed/ast_scu.h ++++ b/arch/arm/include/asm/arch-aspeed/ast_scu.h +@@ -28,6 +28,8 @@ + #ifndef __AST_SCU_H + #define __AST_SCU_H + ++#include ++ + extern void ast_scu_show_system_info (void); + extern void ast_scu_sys_rest_info(void); + extern void ast_scu_security_info(void); +@@ -39,13 +41,16 @@ extern u32 ast_get_clk_source(void); + extern u32 ast_get_h_pll_clk(void); + extern u32 ast_get_m_pll_clk(void); + extern u32 ast_get_ahbclk(void); ++extern u32 ast_get_pclk(void); + + extern u32 ast_scu_get_vga_memsize(void); + ++extern void ast_scu_init_i2c(void); + extern void ast_scu_init_eth(u8 num); + extern void ast_scu_multi_func_eth(u8 num); + extern void ast_scu_multi_func_romcs(u8 num); + extern void ast_scu_multi_func_sgpio(void); ++extern void ast_scu_multi_func_i2c(u8 bus_no); + + void ast_config_uart5_clk(void); + +diff --git a/arch/arm/include/asm/arch-aspeed/regs-iic.h b/arch/arm/include/asm/arch-aspeed/regs-iic.h +new file mode 100644 +index 0000000..2847430 +--- /dev/null ++++ b/arch/arm/include/asm/arch-aspeed/regs-iic.h +@@ -0,0 +1,204 @@ ++/* arch/arm/plat-aspeed/include/mach/regs-iic.h ++ * ++ * Copyright (c) 2012 ASPEED Technology Inc. ++ * http://www.aspeedtech.com/ ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * ASPEED I2C Controller ++*/ ++ ++#ifndef __ASM_ARCH_REGS_IIC_H ++#define __ASM_ARCH_REGS_IIC_H __FILE__ ++ ++#ifdef CONFIG_ARCH_AST1010 ++#define AST_I2C_DMA_SIZE 512 ++#else ++#define AST_I2C_DMA_SIZE 4096 ++#endif ++#define AST_I2C_PAGE_SIZE 256 ++ ++#if defined(CONFIG_ARCH_AST2300) ++#define NUM_BUS 9 ++#elif defined(CONFIG_ARCH_AST2400) ++#define NUM_BUS 14 ++#elif defined(CONFIG_ARCH_AST1010) ++#define NUM_BUS 15 ++#elif defined(CONFIG_ARCH_AST1520) || defined(CONFIG_ARCH_AST3200) || defined(CONFIG_ARCH_AST2500) ++#define NUM_BUS 14 ++#elif defined(CONFIG_ARCH_AST1220) ++#define NUM_BUS 10 ++#else ++#err "NO define NUM_BUS" ++#endif ++ ++/* I2C Register */ ++#define I2C_FUN_CTRL_REG 0x00 ++#define I2C_AC_TIMING_REG1 0x04 ++#define I2C_AC_TIMING_REG2 0x08 ++#define I2C_INTR_CTRL_REG 0x0c ++#define I2C_INTR_STS_REG 0x10 ++#define I2C_CMD_REG 0x14 ++#define I2C_DEV_ADDR_REG 0x18 ++#define I2C_BUF_CTRL_REG 0x1c ++#define I2C_BYTE_BUF_REG 0x20 ++#define I2C_DMA_BASE_REG 0x24 ++#define I2C_DMA_LEN_REG 0x28 ++ ++ ++/* Gloable Register Definition */ ++/* 0x00 : I2C Interrupt Status Register */ ++/* 0x08 : I2C Interrupt Target Assignment */ ++#if defined(CONFIG_ARCH_AST2400) ++#define AST_I2CG_INTR14 (0x1 << 13) ++#define AST_I2CG_INTR13 (0x1 << 12) ++#define AST_I2CG_INTR12 (0x1 << 11) ++#define AST_I2CG_INTR11 (0x1 << 10) ++#define AST_I2CG_INTR10 (0x1 << 9) ++#elif defined(CONFIG_ARCH_AST1010) ++#define AST_I2CG_INTR14 (0x1 << 13) ++#define AST_I2CG_INTR13 (0x1 << 12) ++#define AST_I2CG_INTR12 (0x1 << 11) ++#define AST_I2CG_INTR11 (0x1 << 10) ++#define AST_I2CG_INTR10 (0x1 << 9) ++#endif ++#define AST_I2CG_INTR09 (0x1 << 8) ++#define AST_I2CG_INTR08 (0x1 << 7) ++#define AST_I2CG_INTR07 (0x1 << 6) ++#define AST_I2CG_INTR06 (0x1 << 5) ++#define AST_I2CG_INTR05 (0x1 << 4) ++#define AST_I2CG_INTR04 (0x1 << 3) ++#define AST_I2CG_INTR03 (0x1 << 2) ++#define AST_I2CG_INTR02 (0x1 << 1) ++#define AST_I2CG_INTR01 (0x1 ) ++ ++/* Device Register Definition */ ++/* 0x00 : I2CD Function Control Register */ ++#define AST_I2CD_BUFF_SEL_MASK (0x7 << 20) ++#define AST_I2CD_BUFF_SEL(x) (x << 20) // page 0 ~ 7 ++#define AST_I2CD_M_SDA_LOCK_EN (0x1 << 16) ++#define AST_I2CD_MULTI_MASTER_DIS (0x1 << 15) ++#define AST_I2CD_M_SCL_DRIVE_EN (0x1 << 14) ++#define AST_I2CD_MSB_STS (0x1 << 9) ++#define AST_I2CD_SDA_DRIVE_1T_EN (0x1 << 8) ++#define AST_I2CD_M_SDA_DRIVE_1T_EN (0x1 << 7) ++#define AST_I2CD_M_HIGH_SPEED_EN (0x1 << 6) ++#define AST_I2CD_DEF_ADDR_EN (0x1 << 5) ++#define AST_I2CD_DEF_ALERT_EN (0x1 << 4) ++#define AST_I2CD_DEF_ARP_EN (0x1 << 3) ++#define AST_I2CD_DEF_GCALL_EN (0x1 << 2) ++#define AST_I2CD_SLAVE_EN (0x1 << 1) ++#define AST_I2CD_MASTER_EN (0x1 ) ++ ++/* 0x04 : I2CD Clock and AC Timing Control Register #1 */ ++#define AST_I2CD_tBUF (0x1 << 28) // 0~7 ++#define AST_I2CD_tHDSTA (0x1 << 24) // 0~7 ++#define AST_I2CD_tACST (0x1 << 20) // 0~7 ++#define AST_I2CD_tCKHIGH (0x1 << 16) // 0~7 ++#define AST_I2CD_tCKLOW (0x1 << 12) // 0~7 ++#define AST_I2CD_tHDDAT (0x1 << 10) // 0~7 ++#define AST_I2CD_CLK_TO_BASE_DIV (0x1 << 8) // 0~3 ++#define AST_I2CD_CLK_BASE_DIV (0x1 ) // 0~0xf ++ ++/* 0x08 : I2CD Clock and AC Timing Control Register #2 */ ++#define AST_I2CD_tTIMEOUT (0x1 ) // 0~7 ++#define AST_NO_TIMEOUT_CTRL 0x0 ++ ++ ++/* 0x0c : I2CD Interrupt Control Register */ ++#define AST_I2CD_SDA_DL_TO_INTR_EN (0x1 << 14) ++#define AST_I2CD_BUS_RECOVER_INTR_EN (0x1 << 13) ++#define AST_I2CD_SMBUS_ALT_INTR_EN (0x1 << 12) ++#define AST_I2CD_SLAVE_MATCH_INTR_EN (0x1 << 7) ++#define AST_I2CD_SCL_TO_INTR_EN (0x1 << 6) ++#define AST_I2CD_ABNORMAL_INTR_EN (0x1 << 5) ++#define AST_I2CD_NORMAL_STOP_INTR_EN (0x1 << 4) ++#define AST_I2CD_ARBIT_LOSS_INTR_EN (0x1 << 3) ++#define AST_I2CD_RX_DOWN_INTR_EN (0x1 << 2) ++#define AST_I2CD_TX_NAK_INTR_EN (0x1 << 1) ++#define AST_I2CD_TX_ACK_INTR_EN (0x1 ) ++ ++/* 0x10 : I2CD Interrupt Status Register : WC */ ++#define AST_I2CD_INTR_STS_SDA_DL_TO (0x1 << 14) ++#define AST_I2CD_INTR_STS_BUS_RECOVER (0x1 << 13) ++#define AST_I2CD_INTR_STS_SMBUS_ALT (0x1 << 12) ++#define AST_I2CD_INTR_STS_SMBUS_ARP_ADDR (0x1 << 11) ++#define AST_I2CD_INTR_STS_SMBUS_DEV_ALT (0x1 << 10) ++#define AST_I2CD_INTR_STS_SMBUS_DEF_ADDR (0x1 << 9) ++#define AST_I2CD_INTR_STS_GCALL_ADDR (0x1 << 8) ++#define AST_I2CD_INTR_STS_SLAVE_MATCH (0x1 << 7) ++#define AST_I2CD_INTR_STS_SCL_TO (0x1 << 6) ++#define AST_I2CD_INTR_STS_ABNORMAL (0x1 << 5) ++#define AST_I2CD_INTR_STS_NORMAL_STOP (0x1 << 4) ++#define AST_I2CD_INTR_STS_ARBIT_LOSS (0x1 << 3) ++#define AST_I2CD_INTR_STS_RX_DOWN (0x1 << 2) ++#define AST_I2CD_INTR_STS_TX_NAK (0x1 << 1) ++#define AST_I2CD_INTR_STS_TX_ACK (0x1 ) ++ ++/* 0x14 : I2CD Command/Status Register */ ++#define AST_I2CD_SDA_OE (0x1 << 28) ++#define AST_I2CD_SDA_O (0x1 << 27) ++#define AST_I2CD_SCL_OE (0x1 << 26) ++#define AST_I2CD_SCL_O (0x1 << 25) ++#define AST_I2CD_TX_TIMING (0x1 << 24) // 0 ~3 ++#define AST_I2CD_TX_STATUS (0x1 << 23) ++// Tx State Machine ++#define AST_I2CD_IDLE 0x0 ++#define AST_I2CD_MACTIVE 0x8 ++#define AST_I2CD_MSTART 0x9 ++#define AST_I2CD_MSTARTR 0xa ++#define AST_I2CD_MSTOP 0xb ++#define AST_I2CD_MTXD 0xc ++#define AST_I2CD_MRXACK 0xd ++#define AST_I2CD_MRXD 0xe ++#define AST_I2CD_MTXACK 0xf ++#define AST_I2CD_SWAIT 0x1 ++#define AST_I2CD_SRXD 0x4 ++#define AST_I2CD_STXACK 0x5 ++#define AST_I2CD_STXD 0x6 ++#define AST_I2CD_SRXACK 0x7 ++#define AST_I2CD_RECOVER 0x3 ++ ++#define AST_I2CD_SCL_LINE_STS (0x1 << 18) ++#define AST_I2CD_SDA_LINE_STS (0x1 << 17) ++#define AST_I2CD_BUS_BUSY_STS (0x1 << 16) ++#define AST_I2CD_SDA_OE_OUT_DIR (0x1 << 15) ++#define AST_I2CD_SDA_O_OUT_DIR (0x1 << 14) ++#define AST_I2CD_SCL_OE_OUT_DIR (0x1 << 13) ++#define AST_I2CD_SCL_O_OUT_DIR (0x1 << 12) ++#define AST_I2CD_BUS_RECOVER_CMD_EN (0x1 << 11) ++#define AST_I2CD_S_ALT_EN (0x1 << 10) ++// 0 : DMA Buffer, 1: Pool Buffer ++//AST1070 DMA register ++#define AST_I2CD_RX_DMA_ENABLE (0x1 << 9) ++#define AST_I2CD_TX_DMA_ENABLE (0x1 << 8) ++ ++/* Command Bit */ ++#define AST_I2CD_RX_BUFF_ENABLE (0x1 << 7) ++#define AST_I2CD_TX_BUFF_ENABLE (0x1 << 6) ++#define AST_I2CD_M_STOP_CMD (0x1 << 5) ++#define AST_I2CD_M_S_RX_CMD_LAST (0x1 << 4) ++#define AST_I2CD_M_RX_CMD (0x1 << 3) ++#define AST_I2CD_S_TX_CMD (0x1 << 2) ++#define AST_I2CD_M_TX_CMD (0x1 << 1) ++#define AST_I2CD_M_START_CMD (0x1 ) ++ ++/* 0x18 : I2CD Slave Device Address Register */ ++ ++/* 0x1C : I2CD Pool Buffer Control Register */ ++#define AST_I2CD_RX_BUF_ADDR_GET(x) ((x>> 24)& 0xff) ++#define AST_I2CD_RX_BUF_END_ADDR_SET(x) (x << 16) ++#define AST_I2CD_TX_DATA_BUF_END_SET(x) ((x&0xff) << 8) ++#define AST_I2CD_TX_DATA_BUF_GET(x) ((x >>8) & 0xff) ++#define AST_I2CD_BUF_BASE_ADDR_SET(x) (x & 0x3f) ++ ++/* 0x20 : I2CD Transmit/Receive Byte Buffer Register */ ++#define AST_I2CD_GET_MODE(x) ((x >> 8) & 0x1) ++ ++#define AST_I2CD_RX_BYTE_BUFFER (0xff << 8) ++#define AST_I2CD_TX_BYTE_BUFFER (0xff ) ++ ++ ++#endif /* __ASM_ARCH_REGS_IIC_H */ +diff --git a/arch/arm/mach-aspeed/ast-scu.c b/arch/arm/mach-aspeed/ast-scu.c +index 976c59b..7e8d4c8 100644 +--- a/arch/arm/mach-aspeed/ast-scu.c ++++ b/arch/arm/mach-aspeed/ast-scu.c +@@ -112,6 +112,12 @@ static struct soc_id soc_map_table[] = { + SOC_ID("AST2530-A2", 0x04030403), + }; + ++void ast_scu_init_i2c(void) ++{ ++ ast_scu_write(ast_scu_read(AST_SCU_RESET) & ~SCU_RESET_I2C, ++ AST_SCU_RESET); ++} ++ + void ast_scu_init_eth(u8 num) + { + /* Set MAC delay Timing */ +@@ -292,6 +298,23 @@ u32 ast_get_ahbclk(void) + return ((hpll / axi_div) / ahb_div); + } + ++u32 ast_get_pclk(void) ++{ ++ unsigned int div, hpll; ++ ++ hpll = ast_get_h_pll_clk(); ++ div = SCU_GET_PCLK_DIV(ast_scu_read(AST_SCU_CLK_SEL)); ++#ifdef AST_SOC_G5 ++ div = (div+1) << 2; ++#else ++ div = (div+1) << 1; ++#endif ++ ++ debug("HPLL=%d, Div=%d, PCLK=%d\n", hpll, div, hpll/div); ++ return (hpll/div); ++} ++ ++ + #else /* ! AST_SOC_G5 */ + + u32 ast_get_h_pll_clk(void) +@@ -457,6 +480,105 @@ void ast_scu_multi_func_sgpio(void) + AST_SCU_FUN_PIN_CTRL2); + } + ++extern void ast_scu_multi_func_i2c(u8 bus_no) ++{ ++#ifdef CONFIG_ARCH_AST1010 ++ ast_scu_write(ast_scu_read(AST_SCU_FUN_PIN_CTRL4) | ++ SCU_FUN_PIN_SCL13 | ++ SCU_FUN_PIN_SDA13 | ++ SCU_FUN_PIN_SCL14 | ++ SCU_FUN_PIN_SDA14, ++ AST_SCU_FUN_PIN_CTRL4); ++ ++ ast_scu_write(ast_scu_read(AST_SCU_FUN_PIN_CTRL2) | ++ SCU_FUN_PIN_SCL1 | ++ SCU_FUN_PIN_SDA1 | ++ SCU_FUN_PIN_SCL2 | ++ SCU_FUN_PIN_SDA2 | ++ SCU_FUN_PIN_SCL3 | ++ SCU_FUN_PIN_SDA3 | ++ SCU_FUN_PIN_SCL4 | ++ SCU_FUN_PIN_SDA4 | ++ SCU_FUN_PIN_SCL5 | ++ SCU_FUN_PIN_SDA5 | ++ SCU_FUN_PIN_SCL6 | ++ SCU_FUN_PIN_SDA6 | ++ SCU_FUN_PIN_SCL7 | ++ SCU_FUN_PIN_SDA7 | ++ SCU_FUN_PIN_SCL8 | ++ SCU_FUN_PIN_SDA8 | ++ SCU_FUN_PIN_SALT1 | ++ SCU_FUN_PIN_SALT2 | ++ SCU_FUN_PIN_SALT3 | ++ SCU_FUN_PIN_SALT4, ++ AST_SCU_FUN_PIN_CTRL2); ++ ++ ast_scu_write(ast_scu_read(AST_SCU_FUN_PIN_CTRL1) | ++ SCU_FUN_PIN_SCL9 | ++ SCU_FUN_PIN_SDA9 | ++ SCU_FUN_PIN_SCL10 | ++ SCU_FUN_PIN_SDA10 | ++ SCU_FUN_PIN_SCL11 | ++ SCU_FUN_PIN_SDA11 | ++ SCU_FUN_PIN_SCL12 | ++ SCU_FUN_PIN_SDA12, ++ AST_SCU_FUN_PIN_CTRL1); ++#else ++ //TODO check ... //In AST2400 Due to share pin with SD , please not enable I2C 10 ~14 ++ // AST 2400 have 14 , AST 2300 9 ... ++ u32 pin_ctrl = ast_scu_read(AST_SCU_FUN_PIN_CTRL5); ++ switch (bus_no) { ++ case 0: ++ break; ++ case 1: ++ break; ++ case 2: ++ pin_ctrl |= SCU_FUC_PIN_I2C3; ++ break; ++ case 3: ++ pin_ctrl |= SCU_FUC_PIN_I2C4; ++ break; ++ case 4: ++ pin_ctrl |= SCU_FUC_PIN_I2C5; ++ break; ++ case 5: ++ pin_ctrl |= SCU_FUC_PIN_I2C6; ++ break; ++ case 6: ++ pin_ctrl |= SCU_FUC_PIN_I2C7; ++ break; ++ case 7: ++ pin_ctrl |= SCU_FUC_PIN_I2C8; ++ break; ++ case 8: ++ pin_ctrl |= SCU_FUC_PIN_I2C9; ++ break; ++ case 9: ++ pin_ctrl |= SCU_FUC_PIN_I2C10; ++ pin_ctrl &= ~SCU_FUC_PIN_SD1; ++ break; ++ case 10: ++ pin_ctrl |= SCU_FUC_PIN_I2C11; ++ pin_ctrl &= ~SCU_FUC_PIN_SD1; ++ break; ++ case 11: ++ pin_ctrl |= SCU_FUC_PIN_I2C12; ++ pin_ctrl &= ~SCU_FUC_PIN_SD1; ++ break; ++ case 12: ++ pin_ctrl |= SCU_FUC_PIN_I2C13; ++ pin_ctrl &= ~SCU_FUC_PIN_SD1; ++ break; ++ case 13: ++ pin_ctrl |= SCU_FUC_PIN_I2C14; ++ break; ++ } ++ ++ ast_scu_write(pin_ctrl, AST_SCU_FUN_PIN_CTRL5); ++#endif ++} ++ ++ + u32 ast_scu_revision_id(void) + { + int i; +diff --git a/board/aspeed/ast-g5/ast-g5.c b/board/aspeed/ast-g5/ast-g5.c +index 0953677..7309589 100644 +--- a/board/aspeed/ast-g5/ast-g5.c ++++ b/board/aspeed/ast-g5/ast-g5.c +@@ -13,6 +13,7 @@ + #include + #include + #include ++#include + + #include "ast-g5.h" + +@@ -37,6 +38,13 @@ int board_init(void) + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + gd->flags = 0; + ++ /* Initialize I2C */ ++#if defined(CONFIG_SYS_I2C) ++ i2c_init(I2C_ADAP->speed, I2C_ADAP->slaveaddr); ++#else ++ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); ++#endif ++ + ast_g5_intel(); + return 0; + } +diff --git a/configs/ast_g5_phy_defconfig b/configs/ast_g5_phy_defconfig +index 8f09190..47d9563 100644 +--- a/configs/ast_g5_phy_defconfig ++++ b/configs/ast_g5_phy_defconfig +@@ -15,3 +15,5 @@ CONFIG_SPI_FLASH_MACRONIX=y + CONFIG_SPI_FLASH_STMICRO=y + CONFIG_SYS_NS16550=y + CONFIG_USE_IRQ=y ++CONFIG_CMD_I2C=y ++CONFIG_SYS_I2C_AST=y +diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig +index 6e22bba..5368ba2 100644 +--- a/drivers/i2c/Kconfig ++++ b/drivers/i2c/Kconfig +@@ -58,6 +58,11 @@ config DM_I2C_GPIO + bindings are supported. + Binding info: doc/device-tree-bindings/i2c/i2c-gpio.txt + ++config SYS_I2C_AST ++ bool "Aspeed I2C bus driver" ++ help ++ Add support for Aspeed I2C busses on AST2500 processors. ++ + config SYS_I2C_FSL + bool "Freescale I2C bus driver" + depends on DM_I2C +diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile +index 167424d..b2a69ea 100644 +--- a/drivers/i2c/Makefile ++++ b/drivers/i2c/Makefile +@@ -11,6 +11,7 @@ obj-$(CONFIG_$(SPL_)I2C_CROS_EC_TUNNEL) += cros_ec_tunnel.o + obj-$(CONFIG_$(SPL_)I2C_CROS_EC_LDO) += cros_ec_ldo.o + + obj-$(CONFIG_SYS_I2C_ADI) += adi_i2c.o ++obj-$(CONFIG_SYS_I2C_AST) += ast_i2c.o + obj-$(CONFIG_I2C_MV) += mv_i2c.o + obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o + obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o +diff --git a/drivers/i2c/ast_i2c.c b/drivers/i2c/ast_i2c.c +new file mode 100644 +index 0000000..0b12fc2 +--- /dev/null ++++ b/drivers/i2c/ast_i2c.c +@@ -0,0 +1,849 @@ ++/* ++ * i2c_adap_ast.c ++ * ++ * I2C adapter for the ASPEED I2C bus access. ++ * ++ * Copyright (C) 2012-2020 ASPEED Technology Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * History: ++ * 2012.07.26: Initial version [Ryan Chen] ++ */ ++ ++#include ++#include ++#include ++ ++#include ++#include ++ ++#include ++#include ++ ++// AST2400 buffer mode issue , force I2C slave write use byte mode , read use ++// buffer mode ++/* Use platform_data instead of module parameters */ ++/* Fast Mode = 400 kHz, Standard = 100 kHz */ ++// static int clock = 100; /* Default: 100 kHz */ ++ ++/***************************************************************************/ ++DECLARE_GLOBAL_DATA_PTR; ++ ++#define I2C_TIMEOUT_COUNT 200 ++#define I2C_SLEEP_US 1000 ++ ++static unsigned int i2c_bus_num __attribute__((section(".data"))); ++ ++/* Information about i2c controller */ ++struct ast_i2c_bus { ++ u32 reg_base; /* virtual */ ++ u32 speed; ++ u32 state; /* I2C xfer mode state matchine */ ++ u16 addr; /* slave address */ ++ u16 flags; ++ u16 a_len; /* msg length */ ++ u8 *a_buf; /* pointer to msg data */ ++ u16 d_len; /* msg length */ ++ u8 *d_buf; /* pointer to msg data */ ++}; ++ ++static struct ast_i2c_bus ast_i2c[NUM_BUS] __attribute__((section(".data"))); ++ ++struct ast_i2c_timing_table { ++ u32 divisor; ++ u32 timing; ++}; ++ ++static struct ast_i2c_timing_table i2c_timing_table[] = { ++#if defined(AST_SOC_G5) ++ /* Divisor : Base Clock : tCK High : tCK Low */ ++ /* Divisor : [3:0] : [19:16]: [15:12] */ ++ { 6, 0x77700300 | (0x0) | (0x2 << 16) | (0x2 << 12) }, ++ { 7, 0x77700300 | (0x0) | (0x3 << 16) | (0x2 << 12) }, ++ { 8, 0x77700300 | (0x0) | (0x3 << 16) | (0x3 << 12) }, ++ { 9, 0x77700300 | (0x0) | (0x4 << 16) | (0x3 << 12) }, ++ { 10, 0x77700300 | (0x0) | (0x4 << 16) | (0x4 << 12) }, ++ { 11, 0x77700300 | (0x0) | (0x5 << 16) | (0x4 << 12) }, ++ { 12, 0x77700300 | (0x0) | (0x5 << 16) | (0x5 << 12) }, ++ { 13, 0x77700300 | (0x0) | (0x6 << 16) | (0x5 << 12) }, ++ { 14, 0x77700300 | (0x0) | (0x6 << 16) | (0x6 << 12) }, ++ { 15, 0x77700300 | (0x0) | (0x7 << 16) | (0x6 << 12) }, ++ { 16, 0x77700300 | (0x0) | (0x7 << 16) | (0x7 << 12) }, ++ { 17, 0x77700300 | (0x0) | (0x8 << 16) | (0x7 << 12) }, ++ { 18, 0x77700300 | (0x0) | (0x8 << 16) | (0x8 << 12) }, ++ { 19, 0x77700300 | (0x0) | (0x9 << 16) | (0x8 << 12) }, ++ { 20, 0x77700300 | (0x0) | (0x9 << 16) | (0x9 << 12) }, ++ { 21, 0x77700300 | (0x0) | (0xa << 16) | (0x9 << 12) }, ++ { 22, 0x77700300 | (0x0) | (0xa << 16) | (0xa << 12) }, ++ { 23, 0x77700300 | (0x0) | (0xb << 16) | (0xa << 12) }, ++ { 24, 0x77700300 | (0x0) | (0xb << 16) | (0xb << 12) }, ++ { 25, 0x77700300 | (0x0) | (0xc << 16) | (0xb << 12) }, ++ { 26, 0x77700300 | (0x0) | (0xc << 16) | (0xc << 12) }, ++ { 27, 0x77700300 | (0x0) | (0xd << 16) | (0xc << 12) }, ++ { 28, 0x77700300 | (0x0) | (0xd << 16) | (0xd << 12) }, ++ { 29, 0x77700300 | (0x0) | (0xe << 16) | (0xd << 12) }, ++ { 30, 0x77700300 | (0x0) | (0xe << 16) | (0xe << 12) }, ++ { 31, 0x77700300 | (0x0) | (0xf << 16) | (0xe << 12) }, ++ { 32, 0x77700300 | (0x0) | (0xf << 16) | (0xf << 12) }, ++ ++ { 34, 0x77700300 | (0x1) | (0x8 << 16) | (0x7 << 12) }, ++ { 36, 0x77700300 | (0x1) | (0x8 << 16) | (0x8 << 12) }, ++ { 38, 0x77700300 | (0x1) | (0x9 << 16) | (0x8 << 12) }, ++ { 40, 0x77700300 | (0x1) | (0x9 << 16) | (0x9 << 12) }, ++ { 42, 0x77700300 | (0x1) | (0xa << 16) | (0x9 << 12) }, ++ { 44, 0x77700300 | (0x1) | (0xa << 16) | (0xa << 12) }, ++ { 46, 0x77700300 | (0x1) | (0xb << 16) | (0xa << 12) }, ++ { 48, 0x77700300 | (0x1) | (0xb << 16) | (0xb << 12) }, ++ { 50, 0x77700300 | (0x1) | (0xc << 16) | (0xb << 12) }, ++ { 52, 0x77700300 | (0x1) | (0xc << 16) | (0xc << 12) }, ++ { 54, 0x77700300 | (0x1) | (0xd << 16) | (0xc << 12) }, ++ { 56, 0x77700300 | (0x1) | (0xd << 16) | (0xd << 12) }, ++ { 58, 0x77700300 | (0x1) | (0xe << 16) | (0xd << 12) }, ++ { 60, 0x77700300 | (0x1) | (0xe << 16) | (0xe << 12) }, ++ { 62, 0x77700300 | (0x1) | (0xf << 16) | (0xe << 12) }, ++ { 64, 0x77700300 | (0x1) | (0xf << 16) | (0xf << 12) }, ++ ++ { 68, 0x77700300 | (0x2) | (0x8 << 16) | (0x7 << 12) }, ++ { 72, 0x77700300 | (0x2) | (0x8 << 16) | (0x8 << 12) }, ++ { 76, 0x77700300 | (0x2) | (0x9 << 16) | (0x8 << 12) }, ++ { 80, 0x77700300 | (0x2) | (0x9 << 16) | (0x9 << 12) }, ++ { 84, 0x77700300 | (0x2) | (0xa << 16) | (0x9 << 12) }, ++ { 88, 0x77700300 | (0x2) | (0xa << 16) | (0xa << 12) }, ++ { 92, 0x77700300 | (0x2) | (0xb << 16) | (0xa << 12) }, ++ { 96, 0x77700300 | (0x2) | (0xb << 16) | (0xb << 12) }, ++ { 100, 0x77700300 | (0x2) | (0xc << 16) | (0xb << 12) }, ++ { 104, 0x77700300 | (0x2) | (0xc << 16) | (0xc << 12) }, ++ { 108, 0x77700300 | (0x2) | (0xd << 16) | (0xc << 12) }, ++ { 112, 0x77700300 | (0x2) | (0xd << 16) | (0xd << 12) }, ++ { 116, 0x77700300 | (0x2) | (0xe << 16) | (0xd << 12) }, ++ { 120, 0x77700300 | (0x2) | (0xe << 16) | (0xe << 12) }, ++ { 124, 0x77700300 | (0x2) | (0xf << 16) | (0xe << 12) }, ++ { 128, 0x77700300 | (0x2) | (0xf << 16) | (0xf << 12) }, ++ ++ { 136, 0x77700300 | (0x3) | (0x8 << 16) | (0x7 << 12) }, ++ { 144, 0x77700300 | (0x3) | (0x8 << 16) | (0x8 << 12) }, ++ { 152, 0x77700300 | (0x3) | (0x9 << 16) | (0x8 << 12) }, ++ { 160, 0x77700300 | (0x3) | (0x9 << 16) | (0x9 << 12) }, ++ { 168, 0x77700300 | (0x3) | (0xa << 16) | (0x9 << 12) }, ++ { 176, 0x77700300 | (0x3) | (0xa << 16) | (0xa << 12) }, ++ { 184, 0x77700300 | (0x3) | (0xb << 16) | (0xa << 12) }, ++ { 192, 0x77700300 | (0x3) | (0xb << 16) | (0xb << 12) }, ++ { 200, 0x77700300 | (0x3) | (0xc << 16) | (0xb << 12) }, ++ { 208, 0x77700300 | (0x3) | (0xc << 16) | (0xc << 12) }, ++ { 216, 0x77700300 | (0x3) | (0xd << 16) | (0xc << 12) }, ++ { 224, 0x77700300 | (0x3) | (0xd << 16) | (0xd << 12) }, ++ { 232, 0x77700300 | (0x3) | (0xe << 16) | (0xd << 12) }, ++ { 240, 0x77700300 | (0x3) | (0xe << 16) | (0xe << 12) }, ++ { 248, 0x77700300 | (0x3) | (0xf << 16) | (0xe << 12) }, ++ { 256, 0x77700300 | (0x3) | (0xf << 16) | (0xf << 12) }, ++ ++ { 272, 0x77700300 | (0x4) | (0x8 << 16) | (0x7 << 12) }, ++ { 288, 0x77700300 | (0x4) | (0x8 << 16) | (0x8 << 12) }, ++ { 304, 0x77700300 | (0x4) | (0x9 << 16) | (0x8 << 12) }, ++ { 320, 0x77700300 | (0x4) | (0x9 << 16) | (0x9 << 12) }, ++ { 336, 0x77700300 | (0x4) | (0xa << 16) | (0x9 << 12) }, ++ { 352, 0x77700300 | (0x4) | (0xa << 16) | (0xa << 12) }, ++ { 368, 0x77700300 | (0x4) | (0xb << 16) | (0xa << 12) }, ++ { 384, 0x77700300 | (0x4) | (0xb << 16) | (0xb << 12) }, ++ { 400, 0x77700300 | (0x4) | (0xc << 16) | (0xb << 12) }, ++ { 416, 0x77700300 | (0x4) | (0xc << 16) | (0xc << 12) }, ++ { 432, 0x77700300 | (0x4) | (0xd << 16) | (0xc << 12) }, ++ { 448, 0x77700300 | (0x4) | (0xd << 16) | (0xd << 12) }, ++ { 464, 0x77700300 | (0x4) | (0xe << 16) | (0xd << 12) }, ++ { 480, 0x77700300 | (0x4) | (0xe << 16) | (0xe << 12) }, ++ { 496, 0x77700300 | (0x4) | (0xf << 16) | (0xe << 12) }, ++ { 512, 0x77700300 | (0x4) | (0xf << 16) | (0xf << 12) }, ++ ++ { 544, 0x77700300 | (0x5) | (0x8 << 16) | (0x7 << 12) }, ++ { 576, 0x77700300 | (0x5) | (0x8 << 16) | (0x8 << 12) }, ++ { 608, 0x77700300 | (0x5) | (0x9 << 16) | (0x8 << 12) }, ++ { 640, 0x77700300 | (0x5) | (0x9 << 16) | (0x9 << 12) }, ++ { 672, 0x77700300 | (0x5) | (0xa << 16) | (0x9 << 12) }, ++ { 704, 0x77700300 | (0x5) | (0xa << 16) | (0xa << 12) }, ++ { 736, 0x77700300 | (0x5) | (0xb << 16) | (0xa << 12) }, ++ { 768, 0x77700300 | (0x5) | (0xb << 16) | (0xb << 12) }, ++ { 800, 0x77700300 | (0x5) | (0xc << 16) | (0xb << 12) }, ++ { 832, 0x77700300 | (0x5) | (0xc << 16) | (0xc << 12) }, ++ { 864, 0x77700300 | (0x5) | (0xd << 16) | (0xc << 12) }, ++ { 896, 0x77700300 | (0x5) | (0xd << 16) | (0xd << 12) }, ++ { 928, 0x77700300 | (0x5) | (0xe << 16) | (0xd << 12) }, ++ { 960, 0x77700300 | (0x5) | (0xe << 16) | (0xe << 12) }, ++ { 992, 0x77700300 | (0x5) | (0xf << 16) | (0xe << 12) }, ++ { 1024, 0x77700300 | (0x5) | (0xf << 16) | (0xf << 12) }, ++ ++ { 1088, 0x77700300 | (0x6) | (0x8 << 16) | (0x7 << 12) }, ++ { 1152, 0x77700300 | (0x6) | (0x8 << 16) | (0x8 << 12) }, ++ { 1216, 0x77700300 | (0x6) | (0x9 << 16) | (0x8 << 12) }, ++ { 1280, 0x77700300 | (0x6) | (0x9 << 16) | (0x9 << 12) }, ++ { 1344, 0x77700300 | (0x6) | (0xa << 16) | (0x9 << 12) }, ++ { 1408, 0x77700300 | (0x6) | (0xa << 16) | (0xa << 12) }, ++ { 1472, 0x77700300 | (0x6) | (0xb << 16) | (0xa << 12) }, ++ { 1536, 0x77700300 | (0x6) | (0xb << 16) | (0xb << 12) }, ++ { 1600, 0x77700300 | (0x6) | (0xc << 16) | (0xb << 12) }, ++ { 1664, 0x77700300 | (0x6) | (0xc << 16) | (0xc << 12) }, ++ { 1728, 0x77700300 | (0x6) | (0xd << 16) | (0xc << 12) }, ++ { 1792, 0x77700300 | (0x6) | (0xd << 16) | (0xd << 12) }, ++ { 1856, 0x77700300 | (0x6) | (0xe << 16) | (0xd << 12) }, ++ { 1920, 0x77700300 | (0x6) | (0xe << 16) | (0xe << 12) }, ++ { 1984, 0x77700300 | (0x6) | (0xf << 16) | (0xe << 12) }, ++ { 2048, 0x77700300 | (0x6) | (0xf << 16) | (0xf << 12) }, ++ ++ { 2176, 0x77700300 | (0x7) | (0x8 << 16) | (0x7 << 12) }, ++ { 2304, 0x77700300 | (0x7) | (0x8 << 16) | (0x8 << 12) }, ++ { 2432, 0x77700300 | (0x7) | (0x9 << 16) | (0x8 << 12) }, ++ { 2560, 0x77700300 | (0x7) | (0x9 << 16) | (0x9 << 12) }, ++ { 2688, 0x77700300 | (0x7) | (0xa << 16) | (0x9 << 12) }, ++ { 2816, 0x77700300 | (0x7) | (0xa << 16) | (0xa << 12) }, ++ { 2944, 0x77700300 | (0x7) | (0xb << 16) | (0xa << 12) }, ++ { 3072, 0x77700300 | (0x7) | (0xb << 16) | (0xb << 12) }, ++#else ++ /* Divisor : [3:0] : [18:16]: [13:12] */ ++ { 6, 0x77700300 | (0x0) | (0x2 << 16) | (0x2 << 12) }, ++ { 7, 0x77700300 | (0x0) | (0x3 << 16) | (0x2 << 12) }, ++ { 8, 0x77700300 | (0x0) | (0x3 << 16) | (0x3 << 12) }, ++ { 9, 0x77700300 | (0x0) | (0x4 << 16) | (0x3 << 12) }, ++ { 10, 0x77700300 | (0x0) | (0x4 << 16) | (0x4 << 12) }, ++ { 11, 0x77700300 | (0x0) | (0x5 << 16) | (0x4 << 12) }, ++ { 12, 0x77700300 | (0x0) | (0x5 << 16) | (0x5 << 12) }, ++ { 13, 0x77700300 | (0x0) | (0x6 << 16) | (0x5 << 12) }, ++ { 14, 0x77700300 | (0x0) | (0x6 << 16) | (0x6 << 12) }, ++ { 15, 0x77700300 | (0x0) | (0x7 << 16) | (0x6 << 12) }, ++ { 16, 0x77700300 | (0x0) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 18, 0x77700300 | (0x1) | (0x4 << 16) | (0x3 << 12) }, ++ { 20, 0x77700300 | (0x1) | (0x4 << 16) | (0x4 << 12) }, ++ { 22, 0x77700300 | (0x1) | (0x5 << 16) | (0x4 << 12) }, ++ { 24, 0x77700300 | (0x1) | (0x5 << 16) | (0x5 << 12) }, ++ { 26, 0x77700300 | (0x1) | (0x6 << 16) | (0x5 << 12) }, ++ { 28, 0x77700300 | (0x1) | (0x6 << 16) | (0x6 << 12) }, ++ { 30, 0x77700300 | (0x1) | (0x7 << 16) | (0x6 << 12) }, ++ { 32, 0x77700300 | (0x1) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 36, 0x77700300 | (0x2) | (0x4 << 16) | (0x3 << 12) }, ++ { 40, 0x77700300 | (0x2) | (0x4 << 16) | (0x4 << 12) }, ++ { 44, 0x77700300 | (0x2) | (0x5 << 16) | (0x4 << 12) }, ++ { 48, 0x77700300 | (0x2) | (0x5 << 16) | (0x5 << 12) }, ++ { 52, 0x77700300 | (0x2) | (0x6 << 16) | (0x5 << 12) }, ++ { 56, 0x77700300 | (0x2) | (0x6 << 16) | (0x6 << 12) }, ++ { 60, 0x77700300 | (0x2) | (0x7 << 16) | (0x6 << 12) }, ++ { 64, 0x77700300 | (0x2) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 72, 0x77700300 | (0x3) | (0x4 << 16) | (0x3 << 12) }, ++ { 80, 0x77700300 | (0x3) | (0x4 << 16) | (0x4 << 12) }, ++ { 88, 0x77700300 | (0x3) | (0x5 << 16) | (0x4 << 12) }, ++ { 96, 0x77700300 | (0x3) | (0x5 << 16) | (0x5 << 12) }, ++ { 104, 0x77700300 | (0x3) | (0x6 << 16) | (0x5 << 12) }, ++ { 112, 0x77700300 | (0x3) | (0x6 << 16) | (0x6 << 12) }, ++ { 120, 0x77700300 | (0x3) | (0x7 << 16) | (0x6 << 12) }, ++ { 128, 0x77700300 | (0x3) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 144, 0x77700300 | (0x4) | (0x4 << 16) | (0x3 << 12) }, ++ { 160, 0x77700300 | (0x4) | (0x4 << 16) | (0x4 << 12) }, ++ { 176, 0x77700300 | (0x4) | (0x5 << 16) | (0x4 << 12) }, ++ { 192, 0x77700300 | (0x4) | (0x5 << 16) | (0x5 << 12) }, ++ { 208, 0x77700300 | (0x4) | (0x6 << 16) | (0x5 << 12) }, ++ { 224, 0x77700300 | (0x4) | (0x6 << 16) | (0x6 << 12) }, ++ { 240, 0x77700300 | (0x4) | (0x7 << 16) | (0x6 << 12) }, ++ { 256, 0x77700300 | (0x4) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 288, 0x77700300 | (0x5) | (0x4 << 16) | (0x3 << 12) }, ++ { 320, 0x77700300 | (0x5) | (0x4 << 16) | (0x4 << 12) }, ++ { 352, 0x77700300 | (0x5) | (0x5 << 16) | (0x4 << 12) }, ++ { 384, 0x77700300 | (0x5) | (0x5 << 16) | (0x5 << 12) }, ++ { 416, 0x77700300 | (0x5) | (0x6 << 16) | (0x5 << 12) }, ++ { 448, 0x77700300 | (0x5) | (0x6 << 16) | (0x6 << 12) }, ++ { 480, 0x77700300 | (0x5) | (0x7 << 16) | (0x6 << 12) }, ++ { 512, 0x77700300 | (0x5) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 576, 0x77700300 | (0x6) | (0x4 << 16) | (0x3 << 12) }, ++ { 640, 0x77700300 | (0x6) | (0x4 << 16) | (0x4 << 12) }, ++ { 704, 0x77700300 | (0x6) | (0x5 << 16) | (0x4 << 12) }, ++ { 768, 0x77700300 | (0x6) | (0x5 << 16) | (0x5 << 12) }, ++ { 832, 0x77700300 | (0x6) | (0x6 << 16) | (0x5 << 12) }, ++ { 896, 0x77700300 | (0x6) | (0x6 << 16) | (0x6 << 12) }, ++ { 960, 0x77700300 | (0x6) | (0x7 << 16) | (0x6 << 12) }, ++ { 1024, 0x77700300 | (0x6) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 1152, 0x77700300 | (0x7) | (0x4 << 16) | (0x3 << 12) }, ++ { 1280, 0x77700300 | (0x7) | (0x4 << 16) | (0x4 << 12) }, ++ { 1408, 0x77700300 | (0x7) | (0x5 << 16) | (0x4 << 12) }, ++ { 1536, 0x77700300 | (0x7) | (0x5 << 16) | (0x5 << 12) }, ++ { 1664, 0x77700300 | (0x7) | (0x6 << 16) | (0x5 << 12) }, ++ { 1792, 0x77700300 | (0x7) | (0x6 << 16) | (0x6 << 12) }, ++ { 1920, 0x77700300 | (0x7) | (0x7 << 16) | (0x6 << 12) }, ++ { 2048, 0x77700300 | (0x7) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 2304, 0x77700300 | (0x8) | (0x4 << 16) | (0x3 << 12) }, ++ { 2560, 0x77700300 | (0x8) | (0x4 << 16) | (0x4 << 12) }, ++ { 2816, 0x77700300 | (0x8) | (0x5 << 16) | (0x4 << 12) }, ++ { 3072, 0x77700300 | (0x8) | (0x5 << 16) | (0x5 << 12) }, ++ { 3328, 0x77700300 | (0x8) | (0x6 << 16) | (0x5 << 12) }, ++ { 3584, 0x77700300 | (0x8) | (0x6 << 16) | (0x6 << 12) }, ++ { 3840, 0x77700300 | (0x8) | (0x7 << 16) | (0x6 << 12) }, ++ { 4096, 0x77700300 | (0x8) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 4608, 0x77700300 | (0x9) | (0x4 << 16) | (0x3 << 12) }, ++ { 5120, 0x77700300 | (0x9) | (0x4 << 16) | (0x4 << 12) }, ++ { 5632, 0x77700300 | (0x9) | (0x5 << 16) | (0x4 << 12) }, ++ { 6144, 0x77700300 | (0x9) | (0x5 << 16) | (0x5 << 12) }, ++ { 6656, 0x77700300 | (0x9) | (0x6 << 16) | (0x5 << 12) }, ++ { 7168, 0x77700300 | (0x9) | (0x6 << 16) | (0x6 << 12) }, ++ { 7680, 0x77700300 | (0x9) | (0x7 << 16) | (0x6 << 12) }, ++ { 8192, 0x77700300 | (0x9) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 9216, 0x77700300 | (0xa) | (0x4 << 16) | (0x3 << 12) }, ++ { 10240, 0x77700300 | (0xa) | (0x4 << 16) | (0x4 << 12) }, ++ { 11264, 0x77700300 | (0xa) | (0x5 << 16) | (0x4 << 12) }, ++ { 12288, 0x77700300 | (0xa) | (0x5 << 16) | (0x5 << 12) }, ++ { 13312, 0x77700300 | (0xa) | (0x6 << 16) | (0x5 << 12) }, ++ { 14336, 0x77700300 | (0xa) | (0x6 << 16) | (0x6 << 12) }, ++ { 15360, 0x77700300 | (0xa) | (0x7 << 16) | (0x6 << 12) }, ++ { 16384, 0x77700300 | (0xa) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 18432, 0x77700300 | (0xb) | (0x4 << 16) | (0x3 << 12) }, ++ { 20480, 0x77700300 | (0xb) | (0x4 << 16) | (0x4 << 12) }, ++ { 22528, 0x77700300 | (0xb) | (0x5 << 16) | (0x4 << 12) }, ++ { 24576, 0x77700300 | (0xb) | (0x5 << 16) | (0x5 << 12) }, ++ { 26624, 0x77700300 | (0xb) | (0x6 << 16) | (0x5 << 12) }, ++ { 28672, 0x77700300 | (0xb) | (0x6 << 16) | (0x6 << 12) }, ++ { 30720, 0x77700300 | (0xb) | (0x7 << 16) | (0x6 << 12) }, ++ { 32768, 0x77700300 | (0xb) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 36864, 0x77700300 | (0xc) | (0x4 << 16) | (0x3 << 12) }, ++ { 40960, 0x77700300 | (0xc) | (0x4 << 16) | (0x4 << 12) }, ++ { 45056, 0x77700300 | (0xc) | (0x5 << 16) | (0x4 << 12) }, ++ { 49152, 0x77700300 | (0xc) | (0x5 << 16) | (0x5 << 12) }, ++ { 53248, 0x77700300 | (0xc) | (0x6 << 16) | (0x5 << 12) }, ++ { 57344, 0x77700300 | (0xc) | (0x6 << 16) | (0x6 << 12) }, ++ { 61440, 0x77700300 | (0xc) | (0x7 << 16) | (0x6 << 12) }, ++ { 65536, 0x77700300 | (0xc) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 73728, 0x77700300 | (0xd) | (0x4 << 16) | (0x3 << 12) }, ++ { 81920, 0x77700300 | (0xd) | (0x4 << 16) | (0x4 << 12) }, ++ { 90112, 0x77700300 | (0xd) | (0x5 << 16) | (0x4 << 12) }, ++ { 98304, 0x77700300 | (0xd) | (0x5 << 16) | (0x5 << 12) }, ++ { 106496, 0x77700300 | (0xd) | (0x6 << 16) | (0x5 << 12) }, ++ { 114688, 0x77700300 | (0xd) | (0x6 << 16) | (0x6 << 12) }, ++ { 122880, 0x77700300 | (0xd) | (0x7 << 16) | (0x6 << 12) }, ++ { 131072, 0x77700300 | (0xd) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 147456, 0x77700300 | (0xe) | (0x4 << 16) | (0x3 << 12) }, ++ { 163840, 0x77700300 | (0xe) | (0x4 << 16) | (0x4 << 12) }, ++ { 180224, 0x77700300 | (0xe) | (0x5 << 16) | (0x4 << 12) }, ++ { 196608, 0x77700300 | (0xe) | (0x5 << 16) | (0x5 << 12) }, ++ { 212992, 0x77700300 | (0xe) | (0x6 << 16) | (0x5 << 12) }, ++ { 229376, 0x77700300 | (0xe) | (0x6 << 16) | (0x6 << 12) }, ++ { 245760, 0x77700300 | (0xe) | (0x7 << 16) | (0x6 << 12) }, ++ { 262144, 0x77700300 | (0xe) | (0x7 << 16) | (0x7 << 12) }, ++ ++ { 294912, 0x77700300 | (0xf) | (0x4 << 16) | (0x3 << 12) }, ++ { 327680, 0x77700300 | (0xf) | (0x4 << 16) | (0x4 << 12) }, ++ { 360448, 0x77700300 | (0xf) | (0x5 << 16) | (0x4 << 12) }, ++ { 393216, 0x77700300 | (0xf) | (0x5 << 16) | (0x5 << 12) }, ++ { 425984, 0x77700300 | (0xf) | (0x6 << 16) | (0x5 << 12) }, ++ { 458752, 0x77700300 | (0xf) | (0x6 << 16) | (0x6 << 12) }, ++ { 491520, 0x77700300 | (0xf) | (0x7 << 16) | (0x6 << 12) }, ++ { 524288, 0x77700300 | (0xf) | (0x7 << 16) | (0x7 << 12) }, ++#endif ++}; ++ ++static inline void ast_i2c_write(struct ast_i2c_bus *i2c_bus, u32 val, u32 reg) ++{ ++#if 0 ++ printf("%x: W : reg %x , val: %x \n",i2c_bus->reg_base, reg, val); ++#endif ++ __raw_writel(val, i2c_bus->reg_base + reg); ++} ++ ++static inline u32 ast_i2c_read(struct ast_i2c_bus *i2c_bus, u32 reg) ++{ ++#if 0 ++ u32 val = __raw_readl(i2c_bus->reg_base + reg); ++ printf("%x: R : reg %x , val: %x \n",i2c_bus->reg_base, reg, val); ++ return val; ++#else ++ return __raw_readl(i2c_bus->reg_base + reg); ++#endif ++} ++ ++static u32 select_i2c_clock(unsigned int bus_clk) ++{ ++#if 0 ++ unsigned int clk, inc = 0, div, divider_ratio; ++ u32 SCL_Low, SCL_High, data; ++ ++ clk = ast_get_pclk(); ++// debug("pclk = %d \n",clk); ++ divider_ratio = clk / bus_clk; ++ for (div = 0; divider_ratio >= 16; div++) ++ { ++ inc |= (divider_ratio & 1); ++ divider_ratio >>= 1; ++ } ++ divider_ratio += inc; ++ SCL_Low = (divider_ratio >> 1) - 1; ++ SCL_High = divider_ratio - SCL_Low - 2; ++ data = 0x77700300 | (SCL_High << 16) | (SCL_Low << 12) | div; ++// printk("I2CD04 for %d = %08X\n", target_speed, data); ++ return data; ++#else ++ int i; ++ unsigned int clk; ++ u32 data; ++ ++ clk = ast_get_pclk(); ++ // debug("pclk = %d \n",clk); ++ ++ for (i = 0; ++ i < sizeof(i2c_timing_table) / sizeof(struct ast_i2c_timing_table); ++ i++) { ++ if ((clk / i2c_timing_table[i].divisor) < bus_clk) { ++ break; ++ } ++ } ++ data = i2c_timing_table[i].timing; ++ // printk("divisor [%d], timing [%x] \n", i2c_timing_table[i].divisor, ++ // i2c_timing_table[i].timing); ++ return data; ++#endif ++} ++ ++static int ast_i2c_wait_isr(struct ast_i2c_bus *i2c_bus, u32 flag) ++{ ++ int timeout = 0; ++ ++ while (!(ast_i2c_read(i2c_bus, I2C_INTR_STS_REG) & flag) && ++ (timeout < I2C_TIMEOUT_COUNT)) { ++ udelay(I2C_SLEEP_US); ++ timeout++; ++ } ++ ++ /* Clear Interrupt */ ++ ast_i2c_write(i2c_bus, 0xfffffff, I2C_INTR_STS_REG); ++ ++ if (timeout >= I2C_TIMEOUT_COUNT) { ++ debug("%s timed out:- flag: %x\n", __func__, flag); ++ return -ETIMEDOUT; ++ } ++ ++ return 0; ++} ++ ++static int ast_i2c_wait_tx(struct ast_i2c_bus *i2c_bus) ++{ ++ int sts; ++ int timeout = 0; ++ while (1) { ++ sts = ast_i2c_read(i2c_bus, I2C_INTR_STS_REG); ++ ++ if (timeout > I2C_TIMEOUT_COUNT) { ++ /* I2C Reset */ ++ debug("Timeout: Bus:%d, Addr:0x%02x\n", i2c_bus_num, ++ i2c_bus->addr); ++ ast_i2c_write(i2c_bus, 0, I2C_FUN_CTRL_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_MASTER_EN, ++ I2C_FUN_CTRL_REG); ++ ++ return -ETIMEDOUT; ++ } else if (sts & AST_I2CD_INTR_STS_TX_NAK) { ++ ast_i2c_write(i2c_bus, AST_I2CD_INTR_STS_TX_NAK, ++ I2C_INTR_STS_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_STOP_CMD, ++ I2C_CMD_REG); ++ ast_i2c_wait_isr(i2c_bus, ++ AST_I2CD_INTR_STS_NORMAL_STOP); ++ ++ return -EREMOTEIO; ++ } else if (sts & AST_I2CD_INTR_STS_TX_ACK) { ++ ast_i2c_write(i2c_bus, AST_I2CD_INTR_STS_TX_ACK, ++ I2C_INTR_STS_REG); ++ break; ++ } else { ++ timeout++; ++ } ++ udelay(I2C_SLEEP_US); ++ } ++ ++ return 0; ++} ++ ++static int ast_i2c_deblock(struct ast_i2c_bus *i2c_bus) ++{ ++ u32 csr; ++ int ret = 0; ++ ++ if ((csr = ast_i2c_read(i2c_bus, I2C_CMD_REG)) & ++ AST_I2CD_BUS_BUSY_STS) { ++ if ((csr & AST_I2CD_SDA_LINE_STS) && ++ (csr & AST_I2CD_SCL_LINE_STS)) { ++ /* Bus idle */ ++ debug("Bus(%d) idle\n", i2c_bus_num); ++ ret = 0; ++ } else if (csr & AST_I2CD_SDA_LINE_STS) { ++ /* send stop command */ ++ debug("Unterminated TXN in (%x), sending stop...\n", ++ csr); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_STOP_CMD, ++ I2C_CMD_REG); ++ ret = ast_i2c_wait_isr(i2c_bus, ++ AST_I2CD_INTR_STS_NORMAL_STOP); ++ } else if (csr & AST_I2CD_SCL_LINE_STS) { ++ /* Possibly stuck slave */ ++ debug("Bus stuck (%x), attempting recovery...\n", csr); ++ ast_i2c_write(i2c_bus, AST_I2CD_BUS_RECOVER_CMD_EN, ++ I2C_CMD_REG); ++ ret = ast_i2c_wait_isr(i2c_bus, ++ AST_I2CD_INTR_STS_BUS_RECOVER); ++ } else { ++ debug("Bus(%d) slave(0x%02x) busy. Reseting bus...\n", ++ i2c_bus_num, i2c_bus->addr); ++ ast_i2c_write(i2c_bus, 0, I2C_FUN_CTRL_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_MASTER_EN, ++ I2C_FUN_CTRL_REG); ++ ret = 0; ++ } ++ } ++ ++ return ret; ++} ++ ++static int ast_i2c_xfer(struct ast_i2c_bus *i2c_bus) ++{ ++ int sts, i, ret = 0; ++ ++ /* Clear Interrupt */ ++ ast_i2c_write(i2c_bus, 0xfffffff, I2C_INTR_STS_REG); ++ ++ /* Check for bus busy */ ++ ret = ast_i2c_deblock(i2c_bus); ++ if (ret != 0) ++ return ret; ++ ++ // first start ++ debug(" %sing %d byte%s %s 0x%02x\n", i2c_bus->flags ? "read" : "write", ++ i2c_bus->d_len, i2c_bus->d_len > 1 ? "s" : "", ++ i2c_bus->flags ? "from" : "to", i2c_bus->addr); ++ ++ if (i2c_bus->flags) { ++ // READ ++ if (i2c_bus->a_len) { ++ // send start ++ ast_i2c_write(i2c_bus, (i2c_bus->addr << 1), ++ I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, ++ AST_I2CD_M_TX_CMD | AST_I2CD_M_START_CMD, ++ I2C_CMD_REG); ++ ++ /* Wait for ACK */ ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ ++ /* Send Offset */ ++ for (i = 0; i < i2c_bus->a_len; i++) { ++ debug("offset [%x] \n", i2c_bus->a_buf[i]); ++ ast_i2c_write(i2c_bus, i2c_bus->a_buf[i], ++ I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_TX_CMD, ++ I2C_CMD_REG); ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ } ++ } ++ ++ // repeat-start ++ ast_i2c_write(i2c_bus, (i2c_bus->addr << 1) | 0x1, ++ I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_TX_CMD | AST_I2CD_M_START_CMD, ++ I2C_CMD_REG); ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ ++ for (i = 0; i < i2c_bus->d_len; i++) { ++ if (i == (i2c_bus->d_len - 1)) { ++ ast_i2c_write(i2c_bus, ++ AST_I2CD_M_RX_CMD | ++ AST_I2CD_M_S_RX_CMD_LAST, ++ I2C_CMD_REG); ++ } else { ++ ast_i2c_write(i2c_bus, AST_I2CD_M_RX_CMD, ++ I2C_CMD_REG); ++ } ++ ++ ret = ast_i2c_wait_isr(i2c_bus, ++ AST_I2CD_INTR_STS_RX_DOWN); ++ if (ret != 0) ++ return ret; ++ ++ i2c_bus->d_buf[i] = ++ (ast_i2c_read(i2c_bus, I2C_BYTE_BUF_REG) & ++ AST_I2CD_RX_BYTE_BUFFER) >> ++ 8; ++ } ++ ast_i2c_write(i2c_bus, AST_I2CD_M_STOP_CMD, I2C_CMD_REG); ++ ret = ast_i2c_wait_isr(i2c_bus, AST_I2CD_INTR_STS_NORMAL_STOP); ++ if (ret != 0) ++ return ret; ++ ++ } else { ++ // Write ++ // send start ++ ast_i2c_write(i2c_bus, (i2c_bus->addr << 1), I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_TX_CMD | AST_I2CD_M_START_CMD, ++ I2C_CMD_REG); ++ ++ /* Wait for ACK */ ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ ++ /* Send Offset */ ++ for (i = 0; i < i2c_bus->a_len; i++) { ++ debug("offset [%x] \n", i2c_bus->a_buf[i]); ++ ast_i2c_write(i2c_bus, i2c_bus->a_buf[i], ++ I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_TX_CMD, I2C_CMD_REG); ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ } ++ ++ /* Tx data */ ++ for (i = 0; i < i2c_bus->d_len; i++) { ++ debug("Tx data [%x] \n", i2c_bus->d_buf[i]); ++ ast_i2c_write(i2c_bus, i2c_bus->d_buf[i], ++ I2C_BYTE_BUF_REG); ++ ast_i2c_write(i2c_bus, AST_I2CD_M_TX_CMD, I2C_CMD_REG); ++ ret = ast_i2c_wait_tx(i2c_bus); ++ if (ret != 0) ++ return ret; ++ } ++ ast_i2c_write(i2c_bus, AST_I2CD_M_STOP_CMD, I2C_CMD_REG); ++ ret = ast_i2c_wait_isr(i2c_bus, AST_I2CD_INTR_STS_NORMAL_STOP); ++ if (ret != 0) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/*****************************************************************************/ ++ ++unsigned int i2c_get_bus_speed(void) ++{ ++ return ast_i2c[i2c_bus_num].speed; ++} ++ ++int i2c_set_bus_speed(unsigned int speed) ++{ ++ struct ast_i2c_bus *i2c_bus = &ast_i2c[i2c_bus_num]; ++ ++ /* Set AC Timing */ ++ ast_i2c_write(i2c_bus, select_i2c_clock(speed), I2C_AC_TIMING_REG1); ++ ast_i2c_write(i2c_bus, AST_NO_TIMEOUT_CTRL, I2C_AC_TIMING_REG2); ++ ++ i2c_bus->speed = speed; ++ ++ return 0; ++} ++ ++unsigned int i2c_get_base(int bus_no) ++{ ++ switch (bus_no) { ++ case 0: ++ return AST_I2C_DEV0_BASE; ++ break; ++ case 1: ++ return AST_I2C_DEV1_BASE; ++ break; ++ case 2: ++ return AST_I2C_DEV2_BASE; ++ break; ++ case 3: ++ return AST_I2C_DEV3_BASE; ++ break; ++ case 4: ++ return AST_I2C_DEV4_BASE; ++ break; ++ case 5: ++ return AST_I2C_DEV5_BASE; ++ break; ++ case 6: ++ return AST_I2C_DEV6_BASE; ++ break; ++ case 7: ++ return AST_I2C_DEV7_BASE; ++ break; ++ case 8: ++ return AST_I2C_DEV8_BASE; ++ break; ++ case 9: ++ return AST_I2C_DEV9_BASE; ++ break; ++ case 10: ++ return AST_I2C_DEV10_BASE; ++ break; ++ case 11: ++ return AST_I2C_DEV11_BASE; ++ break; ++ case 12: ++ return AST_I2C_DEV12_BASE; ++ break; ++ case 13: ++ return AST_I2C_DEV13_BASE; ++ break; ++ default: ++ printf("i2c base error \n"); ++ break; ++ }; ++ return 0; ++} ++ ++void i2c_init(int speed, int slaveaddr) ++{ ++ int i = 0; ++ struct ast_i2c_bus *i2c_bus; ++ ++ // SCU I2C Reset ++ ast_scu_init_i2c(); ++ ++ /* This will override the speed selected in the fdt for that port */ ++ debug("i2c_init(speed=%u, slaveaddr=0x%x)\n", speed, slaveaddr); ++ ++ for (i = 0; i < CONFIG_SYS_MAX_I2C_BUS; i++) { ++ i2c_bus = &ast_i2c[i]; ++ i2c_bus->reg_base = i2c_get_base(i); ++ ++ i2c_bus->speed = CONFIG_SYS_I2C_SPEED; ++ i2c_bus->state = 0; ++ ++ // I2C Multi-Pin ++ ast_scu_multi_func_i2c(i); ++ ++ // I2CG Reset ++ ast_i2c_write(i2c_bus, 0, I2C_FUN_CTRL_REG); ++ ++ // Enable Master Mode ++ ast_i2c_write(i2c_bus, AST_I2CD_MASTER_EN, I2C_FUN_CTRL_REG); ++ ++ // SLAVE mode enable ++#if 0 ++ if(slaveaddr) { ++ ast_i2c_write(i2c_bus, slaveaddr, I2C_DEV_ADDR_REG); ++ ast_i2c_write(i2c_bus, ast_i2c_read(i2c_bus,I2C_FUN_CTRL_REG) | AST_I2CD_SLAVE_EN, I2C_FUN_CTRL_REG); ++ } ++#endif ++ ++ /* Set AC Timing */ ++ i2c_set_bus_speed(speed); ++ ++ // Clear Interrupt ++ ast_i2c_write(i2c_bus, 0xfffffff, I2C_INTR_STS_REG); ++ ++ /* Set interrupt generation of I2C controller */ ++ ast_i2c_write(i2c_bus, 0, I2C_INTR_CTRL_REG); ++ } ++ ++ i2c_bus_num = 0; ++ debug("end\n"); ++} ++ ++/* Probe to see if a chip is present. */ ++int i2c_probe(uchar addr) ++{ ++ uchar a_buf[1] = { 0 }; ++ ++ struct ast_i2c_bus *i2c_bus = &ast_i2c[i2c_bus_num]; ++ ++ debug("i2c_probe[bus:%d]: addr=0x%x\n", i2c_bus_num, addr); ++ ++ i2c_bus->addr = addr; ++ i2c_bus->flags = 1; ++ i2c_bus->a_len = 1; ++ i2c_bus->a_buf = (u8 *)&a_buf; ++ i2c_bus->d_len = 1; ++ i2c_bus->d_buf = (u8 *)&a_buf; ++ ++ return ast_i2c_xfer(i2c_bus); ++} ++ ++/* Read bytes */ ++int i2c_read(uchar addr, uint offset, int alen, uchar *buffer, int len) ++{ ++ uchar xoffset[4]; ++ struct ast_i2c_bus *i2c_bus = &ast_i2c[i2c_bus_num]; ++ ++ debug("i2c_read[bus:%d]: addr=0x%x, offset=0x%x, alen=0x%x len=0x%x\n", ++ i2c_bus_num, addr, offset, alen, len); ++ ++ if (alen > 4) { ++ debug("I2C read: addr len %d not supported\n", alen); ++ return 1; ++ } ++ ++ if (alen > 0) { ++ xoffset[0] = (offset >> 24) & 0xFF; ++ xoffset[1] = (offset >> 16) & 0xFF; ++ xoffset[2] = (offset >> 8) & 0xFF; ++ xoffset[3] = offset & 0xFF; ++ } ++ ++ i2c_bus->addr = addr; ++ i2c_bus->flags = 1; ++ i2c_bus->a_len = alen; ++ i2c_bus->a_buf = &xoffset[4 - alen]; ++ i2c_bus->d_len = len; ++ i2c_bus->d_buf = buffer; ++ ++ return ast_i2c_xfer(i2c_bus); ++} ++ ++/* Write bytes */ ++int i2c_write(uchar addr, uint offset, int alen, uchar *buffer, int len) ++{ ++ uchar xoffset[4]; ++ struct ast_i2c_bus *i2c_bus = &ast_i2c[i2c_bus_num]; ++ ++ debug("i2c_write[bus:%d]: addr=0x%x, offset=0x%x, alen=0x%x len=0x%x\n", ++ i2c_bus_num, addr, offset, alen, len); ++ ++ if (alen > 0) { ++ xoffset[0] = (offset >> 24) & 0xFF; ++ xoffset[1] = (offset >> 16) & 0xFF; ++ xoffset[2] = (offset >> 8) & 0xFF; ++ xoffset[3] = offset & 0xFF; ++ } ++ ++ i2c_bus->addr = addr; ++ i2c_bus->flags = 0; ++ i2c_bus->a_len = alen; ++ i2c_bus->a_buf = &xoffset[4 - alen]; ++ i2c_bus->d_len = len; ++ i2c_bus->d_buf = buffer; ++ ++ return ast_i2c_xfer(i2c_bus); ++} ++ ++#if defined(CONFIG_I2C_MULTI_BUS) ++/* ++ * Functions for multiple I2C bus handling ++ */ ++unsigned int i2c_get_bus_num(void) ++{ ++ return i2c_bus_num; ++} ++ ++int i2c_set_bus_num(unsigned int bus) ++{ ++ if (bus >= NUM_BUS) ++ return -1; ++ i2c_bus_num = bus; ++ ++ return 0; ++} ++#endif +diff --git a/drivers/i2c/ast_i2c.h b/drivers/i2c/ast_i2c.h +new file mode 100644 +index 0000000..7cff0e5 +--- /dev/null ++++ b/drivers/i2c/ast_i2c.h +@@ -0,0 +1,131 @@ ++/* SPDX-License-Identifier: GPL-2.0+ */ ++/* ++ * Copyright (C) 2012-2020 ASPEED Technology Inc. ++ * Copyright 2016 IBM Corporation ++ * Copyright 2017 Google, Inc. ++ */ ++#ifndef __AST_I2C_H_ ++#define __AST_I2C_H_ ++ ++struct ast_i2c_regs { ++ u32 fcr; ++ u32 cactcr1; ++ u32 cactcr2; ++ u32 icr; ++ u32 isr; ++ u32 csr; ++ u32 sdar; ++ u32 pbcr; ++ u32 trbbr; ++#ifdef CONFIG_ASPEED_AST2500 ++ u32 dma_mbar; ++ u32 dma_tlr; ++#endif ++}; ++ ++/* Device Register Definition */ ++/* 0x00 : I2CD Function Control Register */ ++#define I2CD_BUFF_SEL_MASK (0x7 << 20) ++#define I2CD_BUFF_SEL(x) (x << 20) ++#define I2CD_M_SDA_LOCK_EN (0x1 << 16) ++#define I2CD_MULTI_MASTER_DIS (0x1 << 15) ++#define I2CD_M_SCL_DRIVE_EN (0x1 << 14) ++#define I2CD_MSB_STS (0x1 << 9) ++#define I2CD_SDA_DRIVE_1T_EN (0x1 << 8) ++#define I2CD_M_SDA_DRIVE_1T_EN (0x1 << 7) ++#define I2CD_M_HIGH_SPEED_EN (0x1 << 6) ++#define I2CD_DEF_ADDR_EN (0x1 << 5) ++#define I2CD_DEF_ALERT_EN (0x1 << 4) ++#define I2CD_DEF_ARP_EN (0x1 << 3) ++#define I2CD_DEF_GCALL_EN (0x1 << 2) ++#define I2CD_SLAVE_EN (0x1 << 1) ++#define I2CD_MASTER_EN (0x1) ++ ++/* 0x04 : I2CD Clock and AC Timing Control Register #1 */ ++/* Base register value. These bits are always set by the driver. */ ++#define I2CD_CACTC_BASE 0xfff00300 ++#define I2CD_TCKHIGH_SHIFT 16 ++#define I2CD_TCKLOW_SHIFT 12 ++#define I2CD_THDDAT_SHIFT 10 ++#define I2CD_TO_DIV_SHIFT 8 ++#define I2CD_BASE_DIV_SHIFT 0 ++ ++/* 0x08 : I2CD Clock and AC Timing Control Register #2 */ ++#define I2CD_tTIMEOUT 1 ++#define I2CD_NO_TIMEOUT_CTRL 0 ++ ++/* 0x0c : I2CD Interrupt Control Register & ++ * 0x10 : I2CD Interrupt Status Register ++ * ++ * These share bit definitions, so use the same values for the enable & ++ * status bits. ++ */ ++#define I2CD_INTR_SDA_DL_TIMEOUT (0x1 << 14) ++#define I2CD_INTR_BUS_RECOVER_DONE (0x1 << 13) ++#define I2CD_INTR_SMBUS_ALERT (0x1 << 12) ++#define I2CD_INTR_SMBUS_ARP_ADDR (0x1 << 11) ++#define I2CD_INTR_SMBUS_DEV_ALERT_ADDR (0x1 << 10) ++#define I2CD_INTR_SMBUS_DEF_ADDR (0x1 << 9) ++#define I2CD_INTR_GCALL_ADDR (0x1 << 8) ++#define I2CD_INTR_SLAVE_MATCH (0x1 << 7) ++#define I2CD_INTR_SCL_TIMEOUT (0x1 << 6) ++#define I2CD_INTR_ABNORMAL (0x1 << 5) ++#define I2CD_INTR_NORMAL_STOP (0x1 << 4) ++#define I2CD_INTR_ARBIT_LOSS (0x1 << 3) ++#define I2CD_INTR_RX_DONE (0x1 << 2) ++#define I2CD_INTR_TX_NAK (0x1 << 1) ++#define I2CD_INTR_TX_ACK (0x1 << 0) ++ ++/* 0x14 : I2CD Command/Status Register */ ++#define I2CD_SDA_OE (0x1 << 28) ++#define I2CD_SDA_O (0x1 << 27) ++#define I2CD_SCL_OE (0x1 << 26) ++#define I2CD_SCL_O (0x1 << 25) ++#define I2CD_TX_TIMING (0x1 << 24) ++#define I2CD_TX_STATUS (0x1 << 23) ++ ++/* Tx State Machine */ ++#define I2CD_IDLE 0x0 ++#define I2CD_MACTIVE 0x8 ++#define I2CD_MSTART 0x9 ++#define I2CD_MSTARTR 0xa ++#define I2CD_MSTOP 0xb ++#define I2CD_MTXD 0xc ++#define I2CD_MRXACK 0xd ++#define I2CD_MRXD 0xe ++#define I2CD_MTXACK 0xf ++#define I2CD_SWAIT 0x1 ++#define I2CD_SRXD 0x4 ++#define I2CD_STXACK 0x5 ++#define I2CD_STXD 0x6 ++#define I2CD_SRXACK 0x7 ++#define I2CD_RECOVER 0x3 ++ ++#define I2CD_SCL_LINE_STS (0x1 << 18) ++#define I2CD_SDA_LINE_STS (0x1 << 17) ++#define I2CD_BUS_BUSY_STS (0x1 << 16) ++#define I2CD_SDA_OE_OUT_DIR (0x1 << 15) ++#define I2CD_SDA_O_OUT_DIR (0x1 << 14) ++#define I2CD_SCL_OE_OUT_DIR (0x1 << 13) ++#define I2CD_SCL_O_OUT_DIR (0x1 << 12) ++#define I2CD_BUS_RECOVER_CMD (0x1 << 11) ++#define I2CD_S_ALT_EN (0x1 << 10) ++#define I2CD_RX_DMA_ENABLE (0x1 << 9) ++#define I2CD_TX_DMA_ENABLE (0x1 << 8) ++ ++/* Command Bit */ ++#define I2CD_RX_BUFF_ENABLE (0x1 << 7) ++#define I2CD_TX_BUFF_ENABLE (0x1 << 6) ++#define I2CD_M_STOP_CMD (0x1 << 5) ++#define I2CD_M_S_RX_CMD_LAST (0x1 << 4) ++#define I2CD_M_RX_CMD (0x1 << 3) ++#define I2CD_S_TX_CMD (0x1 << 2) ++#define I2CD_M_TX_CMD (0x1 << 1) ++#define I2CD_M_START_CMD 0x1 ++ ++#define I2CD_RX_DATA_SHIFT 8 ++#define I2CD_RX_DATA_MASK (0xff << I2CD_RX_DATA_SHIFT) ++ ++#define I2C_HIGHSPEED_RATE 400000 ++ ++#endif /* __AST_I2C_H_ */ +diff --git a/include/configs/ast-common.h b/include/configs/ast-common.h +index b7d7192..0bc7f2d 100644 +--- a/include/configs/ast-common.h ++++ b/include/configs/ast-common.h +@@ -84,6 +84,11 @@ + #define CONFIG_SYS_MAXARGS 16 + #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + ++/* I2C config */ ++#define CONFIG_I2C_MULTI_BUS 1 ++#define CONFIG_SYS_MAX_I2C_BUS 8 ++#define CONFIG_SYS_I2C_SPEED 100000 ++ + /* + * Optional MTD and UBI support + */ +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0027-CPLD-u-boot-commands-support-for-PFR.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0027-CPLD-u-boot-commands-support-for-PFR.patch new file mode 100644 index 000000000..d8e7c4645 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0027-CPLD-u-boot-commands-support-for-PFR.patch @@ -0,0 +1,300 @@ +From 35a50c959b290ba8a6f0e70a42ae952b65df8a9d Mon Sep 17 00:00:00 2001 +From: AppaRao Puli +Date: Tue, 7 May 2019 11:26:35 +0530 +Subject: [PATCH] CPLD u-boot commands support for PFR + +Implemented the cpld command in u-boot for +communicating with PFR CPLD. + +Tested: +Simulated test on different I2C bus and slave +as we don't have hardware available yet. +ast# cpld dump +*** Dumping CPLD Registers *** +0x0000 | 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f +---------------------------------------------------------- +0x0000 | 03 00 00 00 01 09 00 f5 01 09 19 cb 46 4c 45 -- +0x0001 | -- 52 4f 4e 49 43 53 cf 53 2d 31 31 30 30 41 44 +0x0002 | 55 -- 30 2d 32 30 31 ca 47 38 34 30 32 -- 2d -- +0x0003 | 30 37 c2 30 31 cc 45 58 57 44 36 34 39 30 30 38 +............................. +ast# cpld read 0x00 +CPLD read successful. Reg:0x00 Val:0x03 +ast# cpld write 0x00 0x04 +CPLD write successful. Reg:0x00 Val:0x04 +ast# cpld read 0x00 +CPLD read successful. Reg:0x00 Val:0x04 +ast# + +Signed-off-by: AppaRao Puli +--- + cmd/Makefile | 1 + + cmd/cpld.c | 244 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 245 insertions(+) + create mode 100644 cmd/cpld.c + +diff --git a/cmd/Makefile b/cmd/Makefile +index a1731be..c8ac0af 100644 +--- a/cmd/Makefile ++++ b/cmd/Makefile +@@ -66,6 +66,7 @@ obj-$(CONFIG_CMD_FUSE) += fuse.o + obj-$(CONFIG_CMD_GETTIME) += gettime.o + obj-$(CONFIG_CMD_GPIO) += gpio.o + obj-$(CONFIG_CMD_I2C) += i2c.o ++obj-$(CONFIG_CMD_I2C) += cpld.o + obj-$(CONFIG_CMD_IOTRACE) += iotrace.o + obj-$(CONFIG_CMD_HASH) += hash.o + obj-$(CONFIG_CMD_IDE) += ide.o +diff --git a/cmd/cpld.c b/cmd/cpld.c +new file mode 100644 +index 0000000..63220cb +--- /dev/null ++++ b/cmd/cpld.c +@@ -0,0 +1,244 @@ ++/* ++ * Copyright (c) 2018-2019 Intel Corporation ++ * Written by AppaRao Puli ++ * ++ * SPDX-License-Identifier: GPL-2.0+ ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define PFR_CPLD_I2C_BUSNO 5 ++#define PFR_CPLD_SLAVE_ADDR 0x0E ++ ++#define CPLD_READ_TIMEOUT_ATTEMPTS 5 ++ ++/* Some CPLD registers are self cleared after read. ++ * We should skip them reading to avoid functionality impact.*/ ++/* TODO: Need to get this list from CPLD team. */ ++static uchar cpld_reg_skip_read[] = {}; ++ ++static bool skip_cpld_reg_read(u32 reg) ++{ ++ int size = ARRAY_SIZE(cpld_reg_skip_read); ++ for (int i = 0; i < size; i++) { ++ if (reg == cpld_reg_skip_read[i]) ++ return true; ++ } ++ ++ return false; ++} ++ ++static int do_cpld_write(cmd_tbl_t *cmdtp, int flag, int argc, ++ char *const argv[]) ++{ ++ int ret = 0; ++ int current_bus_no; ++ u32 reg_addr; ++ uchar value; ++ int chip = (PFR_CPLD_SLAVE_ADDR >> 1); ++ ++ if (argc != 3) ++ return CMD_RET_USAGE; ++ ++ reg_addr = simple_strtoul(argv[1], NULL, 16); ++ if (reg_addr > 0xFF) { ++ printf("Invalid register. Valid range[0x00-0xFF]."); ++ return CMD_RET_FAILURE; ++ } ++ value = simple_strtoul(argv[2], NULL, 16); ++ ++ /* Get current I2C bus number to restore later. */ ++ current_bus_no = i2c_get_bus_num(); ++ ++ /* Set I2C bus number to PFR CPLD I2C bus. */ ++ ret = i2c_set_bus_num(PFR_CPLD_I2C_BUSNO); ++ if (ret) { ++ printf("Failure changing bus number (%d)\n", ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ ++ ret = i2c_write(chip, reg_addr, 1, &value, 1); ++ if (ret) { ++ printf("Error writing the chip: %d\n", ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ ++ printf("CPLD write successful. Reg:0x%02x Val:0x%02x\n", reg_addr, ++ value); ++ ++done: ++ /* Restore I2C bus number */ ++ if (i2c_set_bus_num(current_bus_no)) ++ printf("Error in restoring bus number.\n"); ++ ++ return ret; ++} ++ ++static int do_cpld_read(cmd_tbl_t *cmdtp, int flag, int argc, ++ char *const argv[]) ++{ ++ int ret = 0; ++ int current_bus_no; ++ u32 reg_addr; ++ uchar value[1]; ++ int chip = (PFR_CPLD_SLAVE_ADDR >> 1); ++ ++ if (argc != 2) ++ return CMD_RET_USAGE; ++ ++ reg_addr = simple_strtoul(argv[1], NULL, 16); ++ if (reg_addr > 0xFF) { ++ printf("Invalid register. Valid range[0x00-0xFF]."); ++ return CMD_RET_FAILURE; ++ } ++ ++ /* Get current I2C bus number to restore later. */ ++ current_bus_no = i2c_get_bus_num(); ++ ++ /* Set I2C bus number to PFR CPLD I2C bus. */ ++ ret = i2c_set_bus_num(PFR_CPLD_I2C_BUSNO); ++ if (ret) { ++ printf("Failure changing bus number (%d)\n", ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ ++ if (skip_cpld_reg_read(reg_addr)) { ++ printf("CPLD register(0x%02x) reading is not allowed.\n", ++ reg_addr); ++ ret = 0; ++ goto done; ++ } ++ ++ ret = i2c_read(chip, reg_addr, 1, value, 1); ++ if (ret) { ++ printf("Error reading the chip: %d\n", ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ ++ printf("CPLD read successful. Reg:0x%02x Val:0x%02x\n", reg_addr, ++ value[0]); ++ ++done: ++ /* Restore I2C bus number */ ++ if (i2c_set_bus_num(current_bus_no)) ++ printf("Error in restoring bus number.\n"); ++ ++ return ret; ++} ++ ++static int do_cpld_dump(cmd_tbl_t *cmdtp, int flag, int argc, ++ char *const argv[]) ++{ ++ int ret = 0; ++ int current_bus_no; ++ u32 reg_addr = 0x00; ++ uchar value[1]; ++ int chip = (PFR_CPLD_SLAVE_ADDR >> 1); ++ ++ if (argc != 1) ++ return CMD_RET_USAGE; ++ ++ /* Get current I2C bus number to restore later. */ ++ current_bus_no = i2c_get_bus_num(); ++ ++ /* Set I2C bus number to PFR CPLD I2C bus. */ ++ ret = i2c_set_bus_num(PFR_CPLD_I2C_BUSNO); ++ if (ret) { ++ printf("Failure changing bus number (%d)\n", ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ ++ printf("*** Dumping CPLD Registers ***\n", reg_addr, value); ++ printf("0x%04x | ", reg_addr); ++ for (int i = 0; i < 0x10; i++) ++ printf(" %02x", i); ++ printf("\n----------------------------------------------------------\n"); ++ ++ while (reg_addr <= 0xFF) { ++ if ((reg_addr % 16) == 0) ++ printf("0x%04x | ", (reg_addr / 16)); ++ ++ if (skip_cpld_reg_read(reg_addr)) { ++ printf(" --"); ++ } else { ++ int timeout = 0; ++ while (i2c_read(chip, reg_addr, 1, value, 1) != 0) { ++ if (timeout++ >= CPLD_READ_TIMEOUT_ATTEMPTS) { ++ printf("\nERROR: Reading the chip: %d\n", ++ ret); ++ ret = CMD_RET_FAILURE; ++ goto done; ++ } ++ /* Need delay for I2C devices continous read */ ++ mdelay(3 * timeout); ++ } ++ printf(" %02x", value[0]); ++ } ++ ++ reg_addr++; ++ if ((reg_addr % 16) == 0) ++ printf("\n"); ++ } ++ ++done: ++ /* Restore I2C bus number */ ++ if (i2c_set_bus_num(current_bus_no)) ++ printf("Error in restoring bus number.\n"); ++ ++ return ret; ++} ++static cmd_tbl_t cmd_cpld_sub[] = { ++ U_BOOT_CMD_MKENT(dump, 1, 1, do_cpld_dump, "", ""), ++ U_BOOT_CMD_MKENT(read, 2, 1, do_cpld_read, "", ""), ++ U_BOOT_CMD_MKENT(write, 3, 1, do_cpld_write, "", "") ++}; ++ ++/** ++ * do_cpld() - Handle the "cpld" command-line command ++ * @cmdtp: Command data struct pointer ++ * @flag: Command flag ++ * @argc: Command-line argument count ++ * @argv: Array of command-line arguments ++ * ++ * Returns zero on success, CMD_RET_USAGE in case of misuse and negative ++ * on error. ++ */ ++static int do_cpld(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) ++{ ++ cmd_tbl_t *c = NULL; ++ ++ if (argc < 2) ++ return CMD_RET_USAGE; ++ ++ /* Strip off leading 'cpld' command argument */ ++ argc--; ++ argv++; ++ ++ if (argc) ++ c = find_cmd_tbl(argv[0], cmd_cpld_sub, ++ ARRAY_SIZE(cmd_cpld_sub)); ++ ++ if (c) ++ return c->cmd(cmdtp, flag, argc, argv); ++ else ++ return CMD_RET_USAGE; ++} ++ ++#ifdef CONFIG_SYS_LONGHELP ++static char cpld_help_text[] = ++ "cpld dump - Dump all CPLD registers.\n" ++ "cpld read - Read CPLD register.\n" ++ "cpld write - Write CPLD register.\n"; ++#endif ++ ++U_BOOT_CMD(cpld, 4, 1, do_cpld, "PFR CPLD information", cpld_help_text); +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch new file mode 100644 index 000000000..7601f6dea --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch @@ -0,0 +1,61 @@ +From 56d13790a713659e34eca884ce36dca76b3bdf3d Mon Sep 17 00:00:00 2001 +From: AppaRao Puli +Date: Mon, 13 May 2019 23:49:02 +0530 +Subject: [PATCH] Enabling uart1&uart2 in u-boot for BIOS messages + +Added uart init function in u-boot aspeed code +to enable uart1 and uart2 for BIOS serial messages. + +Tested: +Forced BMC to stop in u-boot( using Force Firmware Update +Jumper), AC cycled system for multiple times, booted system +to uefi, checked bios serial logs working fine and accessed +keyboard in uefi without any issues. + +Signed-off-by: AppaRao Puli +--- + board/aspeed/ast-g5/ast-g5-intel.c | 21 +++++++++++++++++++++ + 1 file changed, 21 insertions(+) + +diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c +index 86b422f..fe5128f 100644 +--- a/board/aspeed/ast-g5/ast-g5-intel.c ++++ b/board/aspeed/ast-g5/ast-g5-intel.c +@@ -414,6 +414,26 @@ void ast_g5_intel_late_init(void) + free(cmdline_new); + } + ++static void uart_init(void) ++{ ++ u32 val; ++ ++ /* Enable UART1 and UART2 for BIOS messages */ ++ val = ast_scu_read(AST_SCU_FUN_PIN_CTRL2); ++ ++ /* UART1 */ ++ val |= (SCU_FUN_PIN_UART1_NCTS | SCU_FUN_PIN_UART1_NDCD | ++ SCU_FUN_PIN_UART1_NDSR | SCU_FUN_PIN_UART1_NRI | ++ SCU_FUN_PIN_UART1_NDTR | SCU_FUN_PIN_UART1_NRTS | ++ SCU_FUN_PIN_UART1_TXD | SCU_FUN_PIN_UART1_RXD); ++ /* UART2 */ ++ val |= (SCU_FUN_PIN_UART2_NCTS | SCU_FUN_PIN_UART2_NDCD | ++ SCU_FUN_PIN_UART2_NDSR | SCU_FUN_PIN_UART2_NRI | ++ SCU_FUN_PIN_UART2_NDTR | SCU_FUN_PIN_UART2_NRTS | ++ SCU_FUN_PIN_UART2_TXD | SCU_FUN_PIN_UART2_RXD); ++ ast_scu_write(val, AST_SCU_FUN_PIN_CTRL2); ++} ++ + static void pwm_init(void) + { + uint32_t val; +@@ -482,6 +502,7 @@ extern void espi_init(void); + extern void kcs_init(void); + void ast_g5_intel(void) + { ++ uart_init(); + pwm_init(); + gpio_init(gpio_table, ARRAY_SIZE(gpio_table)); + espi_init(); +-- +2.7.4 + diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend index 8eb06b622..6026f8d91 100644 --- a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend @@ -29,5 +29,9 @@ SRC_URI_append_wolfpass = " \ file://0022-KCS-driver-support-in-uBoot.patch \ file://0023-Add-TPM-enable-pulse-triggering.patch \ file://0024-IPMI-command-handler-implementation-in-uboot.patch \ + file://0025-Manufacturing-mode-physical-presence-detection.patch \ + file://0026-Aspeed-I2C-support-in-U-Boot.patch \ + file://0027-CPLD-u-boot-commands-support-for-PFR.patch \ + file://0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch \ " SRC_URI_append_wolfpass += "${@bb.utils.contains('IMAGE_TYPE', 'pfr', 'file://0022-u-boot-env-change-for-PFR-image.patch', '', d)}" diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-fw-utils-aspeed_%.bbappend b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-fw-utils-aspeed_%.bbappend new file mode 100644 index 000000000..6026f8d91 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/u-boot-fw-utils-aspeed_%.bbappend @@ -0,0 +1,37 @@ +FILESEXTRAPATHS_append_wolfpass:= "${THISDIR}/files:" + +# the meta-phosphor layer adds this patch, which conflicts +# with the intel layout for environment +SRC_URI_remove_wolfpass = " file://0001-configs-ast-Add-redundnant-env.patch" + +SRC_URI_append_wolfpass = " \ + file://0001-flash-use-readX-writeX-not-udelay.patch \ + file://0002-intel-layout-environment-addr.patch \ + file://0004-Make-sure-debug-uart-is-using-24MHz-clock-source.patch \ + file://0005-enable-passthrough-in-uboot.patch \ + file://0006-Add-Aspeed-g5-interrupt-support.patch \ + file://0007-Add-espi-support.patch \ + file://0008-add-sgio-support-for-port80-snoop-post-LEDs.patch \ + file://0009-Add-basic-GPIO-support.patch \ + file://0010-Update-Force-Firmware-Update-Jumper-to-use-new-gpio.patch \ + file://0011-Add-basic-timer-support-for-Aspeed-g5-in-U-Boot.patch \ + file://0012-Add-status-and-ID-LED-support.patch \ + file://0013-aspeed-Add-Pwm-Driver.patch \ + file://0014-Keep-interrupts-enabled-until-last-second.patch \ + file://0015-Rewrite-memmove-to-optimize-on-word-transfers.patch \ + file://0016-Add-support-for-128MB-Macronix-spi-flash-MX66L1G45G.patch \ + file://0017-Enable-Macronix-and-Micron-SPI-support.patch \ + file://0018-Add-support-for-Macronix-and-Micron-1Gbits-SPI-flash.patch \ + file://0019-u-boot-full-platform-reset-espi-oob-ready.patch \ + file://0020-Enable-PCIe-L1-support.patch \ + file://0020-Add-system-reset-status-support.patch \ + file://0021-Config-host-uart-clock-source-using-environment-vari.patch \ + file://0022-KCS-driver-support-in-uBoot.patch \ + file://0023-Add-TPM-enable-pulse-triggering.patch \ + file://0024-IPMI-command-handler-implementation-in-uboot.patch \ + file://0025-Manufacturing-mode-physical-presence-detection.patch \ + file://0026-Aspeed-I2C-support-in-U-Boot.patch \ + file://0027-CPLD-u-boot-commands-support-for-PFR.patch \ + file://0028-Enabling-uart1-uart2-in-u-boot-for-BIOS-messages.patch \ + " +SRC_URI_append_wolfpass += "${@bb.utils.contains('IMAGE_TYPE', 'pfr', 'file://0022-u-boot-env-change-for-PFR-image.patch', '', d)}" -- cgit v1.2.3