diff options
Diffstat (limited to 'src/soc/amd/picasso/southbridge.c')
-rw-r--r-- | src/soc/amd/picasso/southbridge.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/soc/amd/picasso/southbridge.c b/src/soc/amd/picasso/southbridge.c index d2904d894b..54128abe5d 100644 --- a/src/soc/amd/picasso/southbridge.c +++ b/src/soc/amd/picasso/southbridge.c @@ -28,30 +28,6 @@ #include <types.h> #include "chip.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 \ - : CONFIG_UART_FOR_CONSOLE == 3 ? FCH_AOAC_DEV_UART3 \ - : -1) -#if FCH_AOAC_UART_FOR_CONSOLE == -1 -# error Unsupported UART_FOR_CONSOLE chosen -#endif - -/* - * Table of devices that need their AOAC registers enabled and waited - * upon (usually about .55 milliseconds). Instead of individual delays - * waiting for each device to become available, a single delay will be - * executed. The console UART is handled separately from this table. - */ -const static int aoac_devs[] = { - FCH_AOAC_DEV_AMBA, - FCH_AOAC_DEV_I2C2, - FCH_AOAC_DEV_I2C3, - FCH_AOAC_DEV_I2C4, - FCH_AOAC_DEV_ESPI, -}; - /* * Table of APIC register index and associated IRQ name. Using IDX_XXX_NAME * provides a visible association with the index, therefore helping @@ -111,63 +87,6 @@ const struct irq_idx_name *sb_get_apic_reg_association(size_t *size) return irq_association; } -static void power_on_aoac_device(int dev) -{ - uint8_t byte; - - /* Power on the UART and AMBA devices */ - byte = aoac_read8(AOAC_DEV_D3_CTL(dev)); - byte |= FCH_AOAC_PWR_ON_DEV; - aoac_write8(AOAC_DEV_D3_CTL(dev), byte); -} - -static bool is_aoac_device_enabled(int dev) -{ - uint8_t byte; - - 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; - else - return false; -} - -static void enable_aoac_console_uart(void) -{ - if (!CONFIG(PICASSO_UART)) - return; - - power_on_aoac_device(FCH_AOAC_UART_FOR_CONSOLE); -} - -static bool is_aoac_console_uart_enabled(void) -{ - if (!CONFIG(PICASSO_UART)) - return true; - - return is_aoac_device_enabled(FCH_AOAC_UART_FOR_CONSOLE); -} - -void enable_aoac_devices(void) -{ - bool status; - int i; - - for (i = 0; i < ARRAY_SIZE(aoac_devs); i++) - power_on_aoac_device(aoac_devs[i]); - enable_aoac_console_uart(); - - /* 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 &= is_aoac_console_uart_enabled(); - } while (!status); -} - static void sb_enable_cf9_io(void) { uint32_t reg = pm_read32(PM_DECODE_EN); |