diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/genoa/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/amd/genoa/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/amd/genoa/aoac.c | 32 | ||||
| -rw-r--r-- | src/soc/amd/genoa/early_fch.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/genoa/include/soc/aoac_defs.h | 20 |
5 files changed, 57 insertions, 0 deletions
diff --git a/src/soc/amd/genoa/Kconfig b/src/soc/amd/genoa/Kconfig index 9863a59eed..d3803652c7 100644 --- a/src/soc/amd/genoa/Kconfig +++ b/src/soc/amd/genoa/Kconfig @@ -10,6 +10,7 @@ config SOC_SPECIFIC_OPTIONS select RESET_VECTOR_IN_RAM select SOC_AMD_COMMON select SOC_AMD_COMMON_BLOCK_ACPIMMIO + select SOC_AMD_COMMON_BLOCK_AOAC select SOC_AMD_COMMON_BLOCK_CPUFREQ_FAM17H_19H select SOC_AMD_COMMON_BLOCK_NONCAR select SOC_AMD_COMMON_BLOCK_PCI_MMCONF diff --git a/src/soc/amd/genoa/Makefile.inc b/src/soc/amd/genoa/Makefile.inc index 6b936b60f4..2f7241d7c2 100644 --- a/src/soc/amd/genoa/Makefile.inc +++ b/src/soc/amd/genoa/Makefile.inc @@ -6,9 +6,11 @@ all-y += reset.c all-y += config.c bootblock-y += early_fch.c +bootblock-y += aoac.c romstage-y += romstage.c +ramstage-y += aoac.c ramstage-y += chip.c CPPFLAGS_common += -I$(src)/soc/amd/genoa/include diff --git a/src/soc/amd/genoa/aoac.c b/src/soc/amd/genoa/aoac.c new file mode 100644 index 0000000000..53ba88f1b9 --- /dev/null +++ b/src/soc/amd/genoa/aoac.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdint.h> +#include <amdblocks/acpimmio.h> +#include <amdblocks/aoac.h> +#include <soc/aoac_defs.h> +#include <soc/southbridge.h> +#include <delay.h> + +#define FCH_AOAC_UART_FOR_CONSOLE \ + (CONFIG_UART_FOR_CONSOLE == 0 ? FCH_AOAC_DEV_UART0 \ + : CONFIG_UART_FOR_CONSOLE == 1 ? FCH_AOAC_DEV_UART1 \ + : CONFIG_UART_FOR_CONSOLE == 2 ? FCH_AOAC_DEV_UART2 \ + : -1) +#if CONFIG(AMD_SOC_CONSOLE_UART) && FCH_AOAC_UART_FOR_CONSOLE == -1 +# error Unsupported UART_FOR_CONSOLE chosen +#endif + +void wait_for_aoac_enabled(unsigned int dev) +{ + while (!is_aoac_device_enabled(dev)) + udelay(100); +} + +void enable_aoac_devices(void) +{ + if (CONFIG(AMD_SOC_CONSOLE_UART)) + power_on_aoac_device(FCH_AOAC_UART_FOR_CONSOLE); + + if (CONFIG(AMD_SOC_CONSOLE_UART)) + wait_for_aoac_enabled(FCH_AOAC_UART_FOR_CONSOLE); +} diff --git a/src/soc/amd/genoa/early_fch.c b/src/soc/amd/genoa/early_fch.c index d0b526cea5..21e988e763 100644 --- a/src/soc/amd/genoa/early_fch.c +++ b/src/soc/amd/genoa/early_fch.c @@ -12,6 +12,8 @@ void fch_pre_init(void) { fch_enable_cf9_io(); + + enable_aoac_devices(); } /* After console init */ diff --git a/src/soc/amd/genoa/include/soc/aoac_defs.h b/src/soc/amd/genoa/include/soc/aoac_defs.h new file mode 100644 index 0000000000..90f4de8a3b --- /dev/null +++ b/src/soc/amd/genoa/include/soc/aoac_defs.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef AMD_GENOA_AOAC_DEFS_H +#define AMD_GENOA_AOAC_DEFS_H + +/* FCH AOAC device offsets for AOAC_DEV_D3_CTL/AOAC_DEV_D3_STATE */ +#define FCH_AOAC_DEV_CLK_GEN 0 +#define FCH_AOAC_DEV_I2C0 5 +#define FCH_AOAC_DEV_I2C1 6 +#define FCH_AOAC_DEV_I2C2 7 +#define FCH_AOAC_DEV_I2C3 8 +#define FCH_AOAC_DEV_I2C4 9 +#define FCH_AOAC_DEV_I2C5 10 +#define FCH_AOAC_DEV_UART0 11 +#define FCH_AOAC_DEV_UART1 12 +#define FCH_AOAC_DEV_UART2 16 +#define FCH_AOAC_DEV_AMBA 17 +#define FCH_AOAC_DEV_ESPI 27 + +#endif /* AMD_GENOA_AOAC_DEFS_H */ |