diff options
Diffstat (limited to 'src/soc/amd/stoneyridge')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 39 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 45 |
2 files changed, 36 insertions, 48 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index cbd9caad95..9450a92723 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -190,16 +190,20 @@ #define DEBUG_PORT_MASK (BIT(16) | BIT(17) | BIT(18)) /* FCH AOAC Registers 0xfed81e00 */ -#define FCH_AOAC_D3_CONTROL_CLK_GEN 0x40 -#define FCH_AOAC_D3_CONTROL_I2C0 0x4a -#define FCH_AOAC_D3_CONTROL_I2C1 0x4c -#define FCH_AOAC_D3_CONTROL_I2C2 0x4e -#define FCH_AOAC_D3_CONTROL_I2C3 0x50 -#define FCH_AOAC_D3_CONTROL_UART0 0x56 -#define FCH_AOAC_D3_CONTROL_UART1 0x58 -#define FCH_AOAC_D3_CONTROL_AMBA 0x62 -#define FCH_AOAC_D3_CONTROL_USB2 0x64 -#define FCH_AOAC_D3_CONTROL_USB3 0x6e +#define AOAC_DEV_D3_CTL(device) (0x40 + device * 2) +#define AOAC_DEV_D3_STATE(device) (AOAC_DEV_D3_CTL(device) + 1) + +#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_UART0 11 +#define FCH_AOAC_DEV_UART1 12 +#define FCH_AOAC_DEV_AMBA 17 +#define FCH_AOAC_DEV_USB2 18 +#define FCH_AOAC_DEV_USB3 23 + /* Bit definitions for all FCH_AOAC_D3_CONTROL_* Registers */ #define FCH_AOAC_TARGET_DEVICE_STATE (BIT(0) + BIT(1)) #define FCH_AOAC_DEVICE_STATE BIT(2) @@ -209,16 +213,6 @@ #define FCH_AOAC_SW_RST_B BIT(6) #define FCH_AOAC_IS_SW_CONTROL BIT(7) -#define FCH_AOAC_D3_STATE_CLK_GEN 0x41 -#define FCH_AOAC_D3_STATE_I2C0 0x4b -#define FCH_AOAC_D3_STATE_I2C1 0x4d -#define FCH_AOAC_D3_STATE_I2C2 0x4f -#define FCH_AOAC_D3_STATE_I2C3 0x51 -#define FCH_AOAC_D3_STATE_UART0 0x57 -#define FCH_AOAC_D3_STATE_UART1 0x59 -#define FCH_AOAC_D3_STATE_AMBA 0x63 -#define FCH_AOAC_D3_STATE_USB2 0x65 -#define FCH_AOAC_D3_STATE_USB3 0x6f /* Bit definitions for all FCH_AOAC_D3_STATE_* Registers */ #define FCH_AOAC_PWR_RST_STATE BIT(0) #define FCH_AOAC_RST_CLK_OK_STATE BIT(1) @@ -292,11 +286,6 @@ void soc_enable_psp_early(void); #define RST_CMD BIT(2) #define SYS_RST BIT(1) -struct stoneyridge_aoac { - int enable; - int status; -}; - typedef struct aoac_devs { unsigned int :5; unsigned int ic0e:1; /* 5: I2C0 */ diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 267f747b4f..05f3072edd 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -31,14 +31,13 @@ * waiting for each device to become available, a single delay will be * executed. */ -static const struct stoneyridge_aoac aoac_devs[] = { - { (FCH_AOAC_D3_CONTROL_UART0 + CONFIG_UART_FOR_CONSOLE * 2), - (FCH_AOAC_D3_STATE_UART0 + CONFIG_UART_FOR_CONSOLE * 2) }, - { FCH_AOAC_D3_CONTROL_AMBA, FCH_AOAC_D3_STATE_AMBA }, - { FCH_AOAC_D3_CONTROL_I2C0, FCH_AOAC_D3_STATE_I2C0 }, - { FCH_AOAC_D3_CONTROL_I2C1, FCH_AOAC_D3_STATE_I2C1 }, - { FCH_AOAC_D3_CONTROL_I2C2, FCH_AOAC_D3_STATE_I2C2 }, - { FCH_AOAC_D3_CONTROL_I2C3, FCH_AOAC_D3_STATE_I2C3 } +static const unsigned int aoac_devs[] = { + FCH_AOAC_DEV_UART0 + CONFIG_UART_FOR_CONSOLE * 2, + FCH_AOAC_DEV_AMBA, + FCH_AOAC_DEV_I2C0, + FCH_AOAC_DEV_I2C1, + FCH_AOAC_DEV_I2C2, + FCH_AOAC_DEV_I2C3, }; static int is_sata_config(void) @@ -146,21 +145,21 @@ const struct irq_idx_name *sb_get_apic_reg_association(size_t *size) return irq_association; } -static void power_on_aoac_device(int aoac_device_control_register) +static void power_on_aoac_device(unsigned int dev) { uint8_t byte; /* Power on the UART and AMBA devices */ - byte = aoac_read8(aoac_device_control_register); + byte = aoac_read8(AOAC_DEV_D3_CTL(dev)); byte |= FCH_AOAC_PWR_ON_DEV; - aoac_write8(aoac_device_control_register, byte); + aoac_write8(AOAC_DEV_D3_CTL(dev), byte); } -static bool is_aoac_device_enabled(int aoac_device_status_register) +static bool is_aoac_device_enabled(unsigned int dev) { uint8_t byte; - byte = aoac_read8(aoac_device_status_register); + byte = aoac_read8(AOAC_DEV_D3_STATE(dev)); byte &= (FCH_AOAC_PWR_RST_STATE | FCH_AOAC_RST_CLK_OK_STATE); if (byte == (FCH_AOAC_PWR_RST_STATE | FCH_AOAC_RST_CLK_OK_STATE)) return true; @@ -174,14 +173,14 @@ void enable_aoac_devices(void) int i; for (i = 0; i < ARRAY_SIZE(aoac_devs); i++) - power_on_aoac_device(aoac_devs[i].enable); + power_on_aoac_device(aoac_devs[i]); /* Wait for AOAC devices to indicate power and clock OK */ do { udelay(100); status = true; for (i = 0; i < ARRAY_SIZE(aoac_devs); i++) - status &= is_aoac_device_enabled(aoac_devs[i].status); + status &= is_aoac_device_enabled(aoac_devs[i]); } while (!status); } @@ -545,14 +544,14 @@ static void set_sb_final_nvs(void) if (gnvs == NULL) return; - gnvs->aoac.ic0e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_I2C0); - gnvs->aoac.ic1e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_I2C1); - gnvs->aoac.ic2e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_I2C2); - gnvs->aoac.ic3e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_I2C3); - gnvs->aoac.ut0e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_UART0); - gnvs->aoac.ut1e = is_aoac_device_enabled(FCH_AOAC_D3_STATE_UART1); - gnvs->aoac.ehce = is_aoac_device_enabled(FCH_AOAC_D3_STATE_USB2); - gnvs->aoac.xhce = is_aoac_device_enabled(FCH_AOAC_D3_STATE_USB3); + gnvs->aoac.ic0e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C0); + gnvs->aoac.ic1e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C1); + gnvs->aoac.ic2e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C2); + gnvs->aoac.ic3e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C3); + gnvs->aoac.ut0e = is_aoac_device_enabled(FCH_AOAC_DEV_UART0); + gnvs->aoac.ut1e = is_aoac_device_enabled(FCH_AOAC_DEV_UART1); + gnvs->aoac.ehce = is_aoac_device_enabled(FCH_AOAC_DEV_USB2); + gnvs->aoac.xhce = is_aoac_device_enabled(FCH_AOAC_DEV_USB3); /* Rely on these being in sync with devicetree */ sd = pcidev_path_on_root(SD_DEVFN); gnvs->aoac.sd_e = sd && sd->enabled ? 1 : 0; |