diff options
Diffstat (limited to 'src/soc')
-rw-r--r-- | src/soc/amd/cezanne/chipset.cb | 4 | ||||
-rw-r--r-- | src/soc/amd/cezanne/uart.c | 95 | ||||
-rw-r--r-- | src/soc/amd/common/block/include/amdblocks/uart.h | 4 | ||||
-rw-r--r-- | src/soc/amd/common/block/uart/Makefile.inc | 10 | ||||
-rw-r--r-- | src/soc/amd/common/block/uart/uart.c | 113 | ||||
-rw-r--r-- | src/soc/amd/common/block/uart/uart_acpi.c | 15 | ||||
-rw-r--r-- | src/soc/amd/mendocino/chipset_mendocino.cb | 10 | ||||
-rw-r--r-- | src/soc/amd/mendocino/chipset_rembrandt.cb | 10 | ||||
-rw-r--r-- | src/soc/amd/mendocino/uart.c | 95 | ||||
-rw-r--r-- | src/soc/amd/morgana/chipset.cb | 10 | ||||
-rw-r--r-- | src/soc/amd/morgana/uart.c | 95 | ||||
-rw-r--r-- | src/soc/amd/picasso/chipset.cb | 8 | ||||
-rw-r--r-- | src/soc/amd/picasso/uart.c | 95 | ||||
-rw-r--r-- | src/soc/amd/stoneyridge/uart.c | 25 |
14 files changed, 150 insertions, 439 deletions
diff --git a/src/soc/amd/cezanne/chipset.cb b/src/soc/amd/cezanne/chipset.cb index 2c4ff52f43..3b6e0d8349 100644 --- a/src/soc/amd/cezanne/chipset.cb +++ b/src/soc/amd/cezanne/chipset.cb @@ -111,7 +111,7 @@ chip soc/amd/cezanne device mmio 0xfedc3000 alias i2c_1 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc4000 alias i2c_2 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc5000 alias i2c_3 off ops soc_amd_i2c_mmio_ops end - device mmio 0xfedc9000 alias uart_0 off ops cezanne_uart_mmio_ops end - device mmio 0xfedca000 alias uart_1 off ops cezanne_uart_mmio_ops end + device mmio 0xfedc9000 alias uart_0 off ops amd_uart_mmio_ops end + device mmio 0xfedca000 alias uart_1 off ops amd_uart_mmio_ops end device mmio 0xfedd5000 alias emmc off ops amd_emmc_mmio_ops end end diff --git a/src/soc/amd/cezanne/uart.c b/src/soc/amd/cezanne/uart.c index 684786b51e..3ac7deb755 100644 --- a/src/soc/amd/cezanne/uart.c +++ b/src/soc/amd/cezanne/uart.c @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <amdblocks/aoac.h> #include <amdblocks/gpio.h> #include <amdblocks/uart.h> #include <commonlib/helpers.h> @@ -25,105 +24,13 @@ static const struct soc_uart_ctrlr_info uart_info[] = { } }, }; -static const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) { *num_ctrlrs = ARRAY_SIZE(uart_info); return uart_info; } -uintptr_t get_uart_base(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return 0; - - return ctrlr[idx].base; -} - -static enum cb_err get_uart_idx(uintptr_t base, const struct soc_uart_ctrlr_info *ctrlr, - size_t num_ctrlrs, unsigned int *idx) -{ - unsigned int i; - for (i = 0; i < num_ctrlrs; i++) { - if (base == ctrlr[i].base) { - *idx = i; - return CB_SUCCESS; - } - } - return CB_ERR; -} - -static enum cb_err get_uart_aoac_device(uintptr_t base, unsigned int *aoac_dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(base, ctrlr, num_ctrlrs, &idx) == CB_ERR) - return CB_ERR; - - *aoac_dev = ctrlr[idx].aoac_device; - return CB_SUCCESS; -} - void clear_uart_legacy_config(void) { write16p(FCH_LEGACY_UART_DECODE, 0); } - -void set_uart_config(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return; - - gpio_configure_pads(ctrlr[idx].mux, 2); -} - -static const char *uart_acpi_name(const struct device *dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(dev->path.mmio.addr, ctrlr, num_ctrlrs, &idx) == CB_SUCCESS) - return ctrlr[idx].acpi_name; - else - return NULL; -} - -/* Even though this is called enable, it gets called for both enabled and disabled devices. */ -static void uart_enable(struct device *dev) -{ - unsigned int dev_id; - - if (get_uart_aoac_device(dev->path.mmio.addr, &dev_id) == CB_ERR) { - printk(BIOS_ERR, "%s: Unknown device: %s\n", __func__, dev_path(dev)); - return; - } - - if (dev->enabled) { - power_on_aoac_device(dev_id); - wait_for_aoac_enabled(dev_id); - } else { - power_off_aoac_device(dev_id); - } -} - -static void uart_read_resources(struct device *dev) -{ - mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4); -} - -struct device_operations cezanne_uart_mmio_ops = { - .read_resources = uart_read_resources, - .set_resources = noop_set_resources, - .scan_bus = scan_static_bus, - .enable = uart_enable, - .acpi_name = uart_acpi_name, - .acpi_fill_ssdt = uart_inject_ssdt, -}; diff --git a/src/soc/amd/common/block/include/amdblocks/uart.h b/src/soc/amd/common/block/include/amdblocks/uart.h index a613bbec83..fbce4e8167 100644 --- a/src/soc/amd/common/block/include/amdblocks/uart.h +++ b/src/soc/amd/common/block/include/amdblocks/uart.h @@ -15,7 +15,9 @@ struct soc_uart_ctrlr_info { }; uintptr_t get_uart_base(unsigned int idx); /* get MMIO base address of FCH UART */ -void uart_inject_ssdt(const struct device *dev); void set_uart_config(unsigned int idx); /* configure hardware of FCH UART selected by idx */ +/* Getter function to get the SoC UART Controller Information. */ +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs); + #endif /* AMD_BLOCK_UART_H */ diff --git a/src/soc/amd/common/block/uart/Makefile.inc b/src/soc/amd/common/block/uart/Makefile.inc index 6982fcf35d..153878cb6b 100644 --- a/src/soc/amd/common/block/uart/Makefile.inc +++ b/src/soc/amd/common/block/uart/Makefile.inc @@ -1,11 +1,17 @@ ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_UART),y) +# all-y can't be used, since verstage on PSP has a different implementation +bootblock-y += uart.c +verstage_x86-y += uart.c +romstage-y += uart.c +postcar-y += uart.c +ramstage-y += uart.c +smm-$(CONFIG_DEBUG_SMI) += uart.c + all-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c ifeq ($(CONFIG_DEBUG_SMI),y) smm-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c endif -ramstage-$(CONFIG_HAVE_ACPI_TABLES) += uart_acpi.c - endif # CONFIG_SOC_AMD_COMMON_BLOCK_UART diff --git a/src/soc/amd/common/block/uart/uart.c b/src/soc/amd/common/block/uart/uart.c new file mode 100644 index 0000000000..125e780e63 --- /dev/null +++ b/src/soc/amd/common/block/uart/uart.c @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpigen.h> +#include <amdblocks/aoac.h> +#include <amdblocks/gpio.h> +#include <amdblocks/uart.h> +#include <device/device.h> + +uintptr_t get_uart_base(unsigned int idx) +{ + size_t num_ctrlrs; + const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); + + if (idx >= num_ctrlrs) + return 0; + + return ctrlr[idx].base; +} + +static enum cb_err get_uart_idx(uintptr_t base, const struct soc_uart_ctrlr_info *ctrlr, + size_t num_ctrlrs, unsigned int *idx) +{ + unsigned int i; + for (i = 0; i < num_ctrlrs; i++) { + if (base == ctrlr[i].base) { + *idx = i; + return CB_SUCCESS; + } + } + return CB_ERR; +} + +static enum cb_err get_uart_aoac_device(uintptr_t base, unsigned int *aoac_dev) +{ + unsigned int idx; + size_t num_ctrlrs; + const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); + + if (get_uart_idx(base, ctrlr, num_ctrlrs, &idx) == CB_ERR) + return CB_ERR; + + *aoac_dev = ctrlr[idx].aoac_device; + return CB_SUCCESS; +} + +void set_uart_config(unsigned int idx) +{ + size_t num_ctrlrs; + const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); + + if (idx >= num_ctrlrs) + return; + + gpio_configure_pads(ctrlr[idx].mux, 2); +} + +#if CONFIG(HAVE_ACPI_TABLES) +static const char *uart_acpi_name(const struct device *dev) +{ + unsigned int idx; + size_t num_ctrlrs; + const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); + + if (get_uart_idx(dev->path.mmio.addr, ctrlr, num_ctrlrs, &idx) == CB_SUCCESS) + return ctrlr[idx].acpi_name; + else + return NULL; +} + +/* This gets called for both enabled and disabled devices. */ +static void uart_inject_ssdt(const struct device *dev) +{ + acpigen_write_scope(acpi_device_path(dev)); + + acpigen_write_STA(acpi_device_status(dev)); + + acpigen_pop_len(); /* Scope */ +} +#endif + +/* Even though this is called enable, it gets called for both enabled and disabled devices. */ +static void uart_enable(struct device *dev) +{ + unsigned int dev_id; + + if (get_uart_aoac_device(dev->path.mmio.addr, &dev_id) == CB_ERR) { + printk(BIOS_ERR, "%s: Unknown device: %s\n", __func__, dev_path(dev)); + return; + } + + if (dev->enabled) { + power_on_aoac_device(dev_id); + wait_for_aoac_enabled(dev_id); + } else { + power_off_aoac_device(dev_id); + } +} + +static void uart_read_resources(struct device *dev) +{ + mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4); +} + +struct device_operations amd_uart_mmio_ops = { + .read_resources = uart_read_resources, + .set_resources = noop_set_resources, + .scan_bus = scan_static_bus, + .enable = uart_enable, +#if CONFIG(HAVE_ACPI_TABLES) + .acpi_name = uart_acpi_name, + .acpi_fill_ssdt = uart_inject_ssdt, +#endif +}; diff --git a/src/soc/amd/common/block/uart/uart_acpi.c b/src/soc/amd/common/block/uart/uart_acpi.c deleted file mode 100644 index eb17322741..0000000000 --- a/src/soc/amd/common/block/uart/uart_acpi.c +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#include <acpi/acpigen.h> -#include <amdblocks/uart.h> -#include <device/device.h> - -/* This gets called for both enabled and disabled devices. */ -void uart_inject_ssdt(const struct device *dev) -{ - acpigen_write_scope(acpi_device_path(dev)); - - acpigen_write_STA(acpi_device_status(dev)); - - acpigen_pop_len(); /* Scope */ -} diff --git a/src/soc/amd/mendocino/chipset_mendocino.cb b/src/soc/amd/mendocino/chipset_mendocino.cb index 170b44cb68..23afdba8a3 100644 --- a/src/soc/amd/mendocino/chipset_mendocino.cb +++ b/src/soc/amd/mendocino/chipset_mendocino.cb @@ -88,10 +88,10 @@ chip soc/amd/mendocino device mmio 0xfedc3000 alias i2c_1 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc4000 alias i2c_2 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc5000 alias i2c_3 off ops soc_amd_i2c_mmio_ops end - device mmio 0xfedc9000 alias uart_0 off ops mendocino_uart_mmio_ops end - device mmio 0xfedca000 alias uart_1 off ops mendocino_uart_mmio_ops end - device mmio 0xfedce000 alias uart_2 off ops mendocino_uart_mmio_ops end - device mmio 0xfedcf000 alias uart_3 off ops mendocino_uart_mmio_ops end - device mmio 0xfedd1000 alias uart_4 off ops mendocino_uart_mmio_ops end + device mmio 0xfedc9000 alias uart_0 off ops amd_uart_mmio_ops end + device mmio 0xfedca000 alias uart_1 off ops amd_uart_mmio_ops end + device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end + device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end + device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end device mmio 0xfedd5000 alias emmc off ops amd_emmc_mmio_ops end end diff --git a/src/soc/amd/mendocino/chipset_rembrandt.cb b/src/soc/amd/mendocino/chipset_rembrandt.cb index 170b44cb68..23afdba8a3 100644 --- a/src/soc/amd/mendocino/chipset_rembrandt.cb +++ b/src/soc/amd/mendocino/chipset_rembrandt.cb @@ -88,10 +88,10 @@ chip soc/amd/mendocino device mmio 0xfedc3000 alias i2c_1 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc4000 alias i2c_2 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc5000 alias i2c_3 off ops soc_amd_i2c_mmio_ops end - device mmio 0xfedc9000 alias uart_0 off ops mendocino_uart_mmio_ops end - device mmio 0xfedca000 alias uart_1 off ops mendocino_uart_mmio_ops end - device mmio 0xfedce000 alias uart_2 off ops mendocino_uart_mmio_ops end - device mmio 0xfedcf000 alias uart_3 off ops mendocino_uart_mmio_ops end - device mmio 0xfedd1000 alias uart_4 off ops mendocino_uart_mmio_ops end + device mmio 0xfedc9000 alias uart_0 off ops amd_uart_mmio_ops end + device mmio 0xfedca000 alias uart_1 off ops amd_uart_mmio_ops end + device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end + device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end + device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end device mmio 0xfedd5000 alias emmc off ops amd_emmc_mmio_ops end end diff --git a/src/soc/amd/mendocino/uart.c b/src/soc/amd/mendocino/uart.c index 07e831c63f..d4bf2feae9 100644 --- a/src/soc/amd/mendocino/uart.c +++ b/src/soc/amd/mendocino/uart.c @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <amdblocks/aoac.h> #include <amdblocks/gpio.h> #include <amdblocks/uart.h> #include <commonlib/helpers.h> @@ -37,105 +36,13 @@ static const struct soc_uart_ctrlr_info uart_info[] = { } }, }; -static const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) { *num_ctrlrs = ARRAY_SIZE(uart_info); return uart_info; } -uintptr_t get_uart_base(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return 0; - - return ctrlr[idx].base; -} - -static enum cb_err get_uart_idx(uintptr_t base, const struct soc_uart_ctrlr_info *ctrlr, - size_t num_ctrlrs, unsigned int *idx) -{ - unsigned int i; - for (i = 0; i < num_ctrlrs; i++) { - if (base == ctrlr[i].base) { - *idx = i; - return CB_SUCCESS; - } - } - return CB_ERR; -} - -static enum cb_err get_uart_aoac_device(uintptr_t base, unsigned int *aoac_dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(base, ctrlr, num_ctrlrs, &idx) == CB_ERR) - return CB_ERR; - - *aoac_dev = ctrlr[idx].aoac_device; - return CB_SUCCESS; -} - void clear_uart_legacy_config(void) { write16p(FCH_LEGACY_UART_DECODE, 0); } - -void set_uart_config(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return; - - gpio_configure_pads(ctrlr[idx].mux, 2); -} - -static const char *uart_acpi_name(const struct device *dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(dev->path.mmio.addr, ctrlr, num_ctrlrs, &idx) == CB_SUCCESS) - return ctrlr[idx].acpi_name; - else - return NULL; -} - -/* Even though this is called enable, it gets called for both enabled and disabled devices. */ -static void uart_enable(struct device *dev) -{ - unsigned int dev_id; - - if (get_uart_aoac_device(dev->path.mmio.addr, &dev_id) == CB_ERR) { - printk(BIOS_ERR, "%s: Unknown device: %s\n", __func__, dev_path(dev)); - return; - } - - if (dev->enabled) { - power_on_aoac_device(dev_id); - wait_for_aoac_enabled(dev_id); - } else { - power_off_aoac_device(dev_id); - } -} - -static void uart_read_resources(struct device *dev) -{ - mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4); -} - -struct device_operations mendocino_uart_mmio_ops = { - .read_resources = uart_read_resources, - .set_resources = noop_set_resources, - .scan_bus = scan_static_bus, - .enable = uart_enable, - .acpi_name = uart_acpi_name, - .acpi_fill_ssdt = uart_inject_ssdt, -}; diff --git a/src/soc/amd/morgana/chipset.cb b/src/soc/amd/morgana/chipset.cb index 9407e79dd8..ffea57d79b 100644 --- a/src/soc/amd/morgana/chipset.cb +++ b/src/soc/amd/morgana/chipset.cb @@ -90,10 +90,10 @@ chip soc/amd/morgana device mmio 0xfedc3000 alias i2c_1 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc4000 alias i2c_2 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc5000 alias i2c_3 off ops soc_amd_i2c_mmio_ops end - device mmio 0xfedc9000 alias uart_0 off ops morgana_uart_mmio_ops end - device mmio 0xfedca000 alias uart_1 off ops morgana_uart_mmio_ops end - device mmio 0xfedce000 alias uart_2 off ops morgana_uart_mmio_ops end - device mmio 0xfedcf000 alias uart_3 off ops morgana_uart_mmio_ops end - device mmio 0xfedd1000 alias uart_4 off ops morgana_uart_mmio_ops end + device mmio 0xfedc9000 alias uart_0 off ops amd_uart_mmio_ops end + device mmio 0xfedca000 alias uart_1 off ops amd_uart_mmio_ops end + device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end + device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end + device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end device mmio 0xfedd5000 alias emmc off ops amd_emmc_mmio_ops end end diff --git a/src/soc/amd/morgana/uart.c b/src/soc/amd/morgana/uart.c index f6c552c8d4..401a134cf5 100644 --- a/src/soc/amd/morgana/uart.c +++ b/src/soc/amd/morgana/uart.c @@ -2,7 +2,6 @@ /* TODO: Update for Morgana */ -#include <amdblocks/aoac.h> #include <amdblocks/gpio.h> #include <amdblocks/uart.h> #include <commonlib/helpers.h> @@ -39,105 +38,13 @@ static const struct soc_uart_ctrlr_info uart_info[] = { } }, }; -static const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) { *num_ctrlrs = ARRAY_SIZE(uart_info); return uart_info; } -uintptr_t get_uart_base(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return 0; - - return ctrlr[idx].base; -} - -static enum cb_err get_uart_idx(uintptr_t base, const struct soc_uart_ctrlr_info *ctrlr, - size_t num_ctrlrs, unsigned int *idx) -{ - unsigned int i; - for (i = 0; i < num_ctrlrs; i++) { - if (base == ctrlr[i].base) { - *idx = i; - return CB_SUCCESS; - } - } - return CB_ERR; -} - -static enum cb_err get_uart_aoac_device(uintptr_t base, unsigned int *aoac_dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(base, ctrlr, num_ctrlrs, &idx) == CB_ERR) - return CB_ERR; - - *aoac_dev = ctrlr[idx].aoac_device; - return CB_SUCCESS; -} - void clear_uart_legacy_config(void) { write16p(FCH_LEGACY_UART_DECODE, 0); } - -void set_uart_config(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return; - - gpio_configure_pads(ctrlr[idx].mux, 2); -} - -static const char *uart_acpi_name(const struct device *dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(dev->path.mmio.addr, ctrlr, num_ctrlrs, &idx) == CB_SUCCESS) - return ctrlr[idx].acpi_name; - else - return NULL; -} - -/* Even though this is called enable, it gets called for both enabled and disabled devices. */ -static void uart_enable(struct device *dev) -{ - unsigned int dev_id; - - if (get_uart_aoac_device(dev->path.mmio.addr, &dev_id) == CB_ERR) { - printk(BIOS_ERR, "%s: Unknown device: %s\n", __func__, dev_path(dev)); - return; - } - - if (dev->enabled) { - power_on_aoac_device(dev_id); - wait_for_aoac_enabled(dev_id); - } else { - power_off_aoac_device(dev_id); - } -} - -static void uart_read_resources(struct device *dev) -{ - mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4); -} - -struct device_operations morgana_uart_mmio_ops = { - .read_resources = uart_read_resources, - .set_resources = noop_set_resources, - .scan_bus = scan_static_bus, - .enable = uart_enable, - .acpi_name = uart_acpi_name, - .acpi_fill_ssdt = uart_inject_ssdt, -}; diff --git a/src/soc/amd/picasso/chipset.cb b/src/soc/amd/picasso/chipset.cb index ab286de864..e44ca8d098 100644 --- a/src/soc/amd/picasso/chipset.cb +++ b/src/soc/amd/picasso/chipset.cb @@ -49,8 +49,8 @@ chip soc/amd/picasso device mmio 0xfedc4000 alias i2c_2 off ops soc_amd_i2c_mmio_ops end device mmio 0xfedc5000 alias i2c_3 off ops soc_amd_i2c_mmio_ops end - device mmio 0xfedc9000 alias uart_0 off ops picasso_uart_mmio_ops end - device mmio 0xfedca000 alias uart_1 off ops picasso_uart_mmio_ops end - device mmio 0xfedce000 alias uart_2 off ops picasso_uart_mmio_ops end - device mmio 0xfedcf000 alias uart_3 off ops picasso_uart_mmio_ops end + device mmio 0xfedc9000 alias uart_0 off ops amd_uart_mmio_ops end + device mmio 0xfedca000 alias uart_1 off ops amd_uart_mmio_ops end + device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end + device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end end diff --git a/src/soc/amd/picasso/uart.c b/src/soc/amd/picasso/uart.c index 5bb67da4b0..e3e3aa9792 100644 --- a/src/soc/amd/picasso/uart.c +++ b/src/soc/amd/picasso/uart.c @@ -5,7 +5,6 @@ #include <device/device.h> #include <device/mmio.h> #include <amdblocks/gpio.h> -#include <amdblocks/aoac.h> #include <amdblocks/uart.h> #include <soc/aoac_defs.h> #include <soc/gpio.h> @@ -33,105 +32,13 @@ static const struct soc_uart_ctrlr_info uart_info[] = { } }, }; -static const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) { *num_ctrlrs = ARRAY_SIZE(uart_info); return uart_info; } -uintptr_t get_uart_base(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return 0; - - return ctrlr[idx].base; -} - -static enum cb_err get_uart_idx(uintptr_t base, const struct soc_uart_ctrlr_info *ctrlr, - size_t num_ctrlrs, unsigned int *idx) -{ - unsigned int i; - for (i = 0; i < num_ctrlrs; i++) { - if (base == ctrlr[i].base) { - *idx = i; - return CB_SUCCESS; - } - } - return CB_ERR; -} - -static enum cb_err get_uart_aoac_device(uintptr_t base, unsigned int *aoac_dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(base, ctrlr, num_ctrlrs, &idx) == CB_ERR) - return CB_ERR; - - *aoac_dev = ctrlr[idx].aoac_device; - return CB_SUCCESS; -} - void clear_uart_legacy_config(void) { write16p(FCH_LEGACY_UART_DECODE, 0); } - -void set_uart_config(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return; - - gpio_configure_pads(ctrlr[idx].mux, 2); -} - -static const char *uart_acpi_name(const struct device *dev) -{ - unsigned int idx; - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (get_uart_idx(dev->path.mmio.addr, ctrlr, num_ctrlrs, &idx) == CB_SUCCESS) - return ctrlr[idx].acpi_name; - else - return NULL; -} - -/* Even though this is called enable, it gets called for both enabled and disabled devices. */ -static void uart_enable(struct device *dev) -{ - unsigned int dev_id; - - if (get_uart_aoac_device(dev->path.mmio.addr, &dev_id) == CB_ERR) { - printk(BIOS_ERR, "%s: Unknown device: %s\n", __func__, dev_path(dev)); - return; - } - - if (dev->enabled) { - power_on_aoac_device(dev_id); - wait_for_aoac_enabled(dev_id); - } else { - power_off_aoac_device(dev_id); - } -} - -static void uart_read_resources(struct device *dev) -{ - mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4); -} - -struct device_operations picasso_uart_mmio_ops = { - .read_resources = uart_read_resources, - .set_resources = noop_set_resources, - .scan_bus = scan_static_bus, - .acpi_name = uart_acpi_name, - .enable = uart_enable, - .acpi_fill_ssdt = uart_inject_ssdt, -}; diff --git a/src/soc/amd/stoneyridge/uart.c b/src/soc/amd/stoneyridge/uart.c index 837a1bff7e..86e2626a50 100644 --- a/src/soc/amd/stoneyridge/uart.c +++ b/src/soc/amd/stoneyridge/uart.c @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <amdblocks/aoac.h> #include <amdblocks/gpio.h> #include <amdblocks/uart.h> #include <soc/aoac_defs.h> @@ -19,30 +18,8 @@ static const struct soc_uart_ctrlr_info uart_info[] = { } }, }; -static const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) +const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs) { *num_ctrlrs = ARRAY_SIZE(uart_info); return uart_info; } - -uintptr_t get_uart_base(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return 0; - - return ctrlr[idx].base; -} - -void set_uart_config(unsigned int idx) -{ - size_t num_ctrlrs; - const struct soc_uart_ctrlr_info *ctrlr = soc_get_uart_ctrlr_info(&num_ctrlrs); - - if (idx >= num_ctrlrs) - return; - - gpio_configure_pads(ctrlr[idx].mux, 2); -} |