diff options
| author | Cédric Le Goater <clg@kaod.org> | 2016-09-22 18:13:05 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-09-22 18:13:05 +0100 |
| commit | 365aff1eaa370dc3bab2fb42b707496c46acb621 (patch) | |
| tree | d4929391c9f12f403eee60c8501247c06abe0999 /include | |
| parent | 8da33ef757d6d49b41432a22e4ab357652ec0e14 (diff) | |
aspeed: add a ast2500 SoC and support to the SCU and SDMC controllers
Based on previous work done by Andrew Jeffery <andrew@aj.id.au>.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1473438177-26079-9-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/misc/aspeed_scu.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h index 4d3e770cec..14ffc43de8 100644 --- a/include/hw/misc/aspeed_scu.h +++ b/include/hw/misc/aspeed_scu.h @@ -33,6 +33,7 @@ typedef struct AspeedSCUState { #define AST2400_A0_SILICON_REV 0x02000303U #define AST2500_A0_SILICON_REV 0x04000303U +#define AST2500_A1_SILICON_REV 0x04010303U extern bool is_supported_silicon_rev(uint32_t silicon_rev); @@ -154,4 +155,78 @@ extern bool is_supported_silicon_rev(uint32_t silicon_rev); #define AST2400_SPI_BOOT 2 #define AST2400_DIS_BOOT 3 +/* + * Hardware strapping register definition (for Aspeed AST2500 SoC and + * higher) + * + * 31 Enable SPI Flash Strap Auto Fetch Mode + * 30 Enable GPIO Strap Mode + * 29 Select UART Debug Port + * 28 Reserved (1) + * 27 Enable fast reset mode for ARM ICE debugger + * 26 Enable eSPI flash mode + * 25 Enable eSPI mode + * 24 Select DDR4 SDRAM + * 23 Select 25 MHz reference clock input mode + * 22 Enable GPIOE pass-through mode + * 21 Enable GPIOD pass-through mode + * 20 Disable LPC to decode SuperIO 0x2E/0x4E address + * 19 Enable ACPI function + * 18 Select USBCKI input frequency + * 17 Enable BMC 2nd boot watchdog timer + * 16 SuperIO configuration address selection + * 15 VGA Class Code selection + * 14 Select dedicated LPC reset input + * 13:12 SPI mode selection + * 11:9 AXI/AHB clock frequency ratio selection + * 8 Reserved (0) + * 7 Define MAC#2 interface + * 6 Define MAC#1 interface + * 5 Enable dedicated VGA BIOS ROM + * 4 Reserved (0) + * 3:2 VGA memory size selection + * 1 Reserved (1) + * 0 Disable CPU boot + */ +#define SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE (0x1 << 31) +#define SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE (0x1 << 30) +#define SCU_AST2500_HW_STRAP_UART_DEBUG (0x1 << 29) +#define UART_DEBUG_UART1 0 +#define UART_DEBUG_UART5 1 +#define SCU_AST2500_HW_STRAP_RESERVED28 (0x1 << 28) + +#define SCU_AST2500_HW_STRAP_FAST_RESET_DBG (0x1 << 27) +#define SCU_AST2500_HW_STRAP_ESPI_FLASH_ENABLE (0x1 << 26) +#define SCU_AST2500_HW_STRAP_ESPI_ENABLE (0x1 << 25) +#define SCU_AST2500_HW_STRAP_DDR4_ENABLE (0x1 << 24) + +#define SCU_AST2500_HW_STRAP_ACPI_ENABLE (0x1 << 19) +#define SCU_AST2500_HW_STRAP_USBCKI_FREQ (0x1 << 18) +#define USBCKI_FREQ_24MHZ 0 +#define USBCKI_FREQ_28MHZ 1 + +#define SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(x) ((x) << 9) +#define SCU_AST2500_HW_STRAP_GET_AXI_AHB_RATIO(x) (((x) >> 9) & 7) +#define SCU_AST2500_HW_STRAP_CPU_AXI_RATIO_MASK (0x7 << 9) +#define AXI_AHB_RATIO_UNDEFINED 0 +#define AXI_AHB_RATIO_2_1 1 +#define AXI_AHB_RATIO_3_1 2 +#define AXI_AHB_RATIO_4_1 3 +#define AXI_AHB_RATIO_5_1 4 +#define AXI_AHB_RATIO_6_1 5 +#define AXI_AHB_RATIO_7_1 6 +#define AXI_AHB_RATIO_8_1 7 + +#define SCU_AST2500_HW_STRAP_RESERVED1 (0x1 << 1) +#define SCU_AST2500_HW_STRAP_DIS_BOOT (0x1 << 0) + +#define AST2500_HW_STRAP1_DEFAULTS ( \ + SCU_AST2500_HW_STRAP_RESERVED28 | \ + SCU_HW_STRAP_2ND_BOOT_WDT | \ + SCU_HW_STRAP_VGA_CLASS_CODE | \ + SCU_HW_STRAP_LPC_RESET_PIN | \ + SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) | \ + SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \ + SCU_AST2500_HW_STRAP_RESERVED1) + #endif /* ASPEED_SCU_H */ |