<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt;"><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);">Hi,<br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);"><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);">we are developing openBMC port for the AMD EPYC Daytona platform with ATS 2500 BMC. I need the following functionality to be implemented.<br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);"><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);">1. Capture of the LSB of the 32-bit post code and lit 8 LEDs on the GPIOAA port by configuring SNPWADR with one snooping address of 0x0080 and directing the data to the GPIO port pins GPIOAA[7:0].<br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);"><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);">2. Also read and store the 32-bit Post code as 4 bytes from the the LPC I/O write cycles directed to Port address 0x0080 , 0x0081, 0x0082 and 0x0083 in the root file system for every power cycle and later display on the web GUI by Configuring post code control register PCCR0-3 for DMA/FIFO mode. <br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);"><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);">Could you please let us know if implementation for the above said two is available in openBMC community else suggest implementation pointers.<br></div><div style="color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: "Lato 2", sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);"><p style="margin: 0px;" class=""><span style="font-size: 10pt; font-family: Verdana, sans-serif;"> </span><br></p><p style="margin: 0px;" class=""><span style="font-size: 10pt; font-family: Verdana, sans-serif;">Can any one provide SW linux kernel 5.x driver for second functionality implementation or link to driver, if it exist , in the open community.</span><br></p><div><br></div><div><span style="font-size: 10pt; font-family: Verdana, sans-serif;">suggestion to implementation pointer is also welcome.</span><br></div></div><div style="color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: "Lato 2", sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);"><p style="margin: 0px;" class=""><span style="font-size: 10pt; font-family: Verdana, sans-serif;"> </span><br></p></div><div style="color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 13.3333px; background-color: rgb(255, 255, 255);"><div><br></div><div>Regards,<br></div><div>Ramakrishnan<br></div></div><div><br></div><div data-zbluepencil-ignore="true" id=""><div><br></div></div><div><br></div></div><br></body></html>