87e79af074
The magic constant configures the following options: * 28:27: Configure DRAM size as 256MB * 26:24: DDR3 SDRAM with CL = 6, CWL = 5 * 23: Configure 24/48MHz CLKIN * 22: Disable GPIOE pass-through mode * 21: Disable GPIOD pass-through mode * 20: Enable LPC decode of SuperIO 0x2E/0x4E addresses * 19: Disable ACPI * 18: Configure 48MHz CLKIN * 17: Disable BMC 2nd boot watchdog timer * 16: Decode SuperIO address 0x2E * 15: VGA Class Code * 14: Enable LPC dedicated reset pin * 13:12: Enable SPI Master and SPI Slave to AHB Bridge * 11:10: Select CPU:AHB ratio = 2:1 * 9:8: Select 384MHz H-PLL * 7: Configure MAC#2 for RMII/NCSI * 6: Configure MAC#1 for RMII/NCSI * 5: No VGA BIOS ROM * 4: Boot using 32bit SPI address mode * 3:2: Select 16MB VGA memory * 1:0: Boot from SPI flash memory Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cédric Le Goater <clg@kaod.org> Message-id: 1466744305-23163-4-git-send-email-andrew@aj.id.au Signed-off-by: Peter Maydell <peter.maydell@linaro.org>