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authorEric Lai <ericr_lai@compal.corp-partner.google.com>2021-04-09 11:50:48 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-04-10 20:22:27 +0000
commit65b0afe9a687aebeed70eccd78e1ad99b96bc8bc (patch)
treede861f60afbb85cc5b49f0ff5334b4120f3683ba /src/soc/amd/picasso
parent6ada39e790a4f7ea2e5d1b74a27c2e7b68a6115d (diff)
soc/amd/cezanne: Add GRXS and GTXS method
Add GRXS and GTXS support. Move the gpio method into common place. Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com> Change-Id: I8ba377179d6976cf26ed0dc521d8e4eff051dc85 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52202 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/soc/amd/picasso')
-rw-r--r--src/soc/amd/picasso/Kconfig1
-rw-r--r--src/soc/amd/picasso/acpi.c47
2 files changed, 1 insertions, 47 deletions
diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index b6ab78494a..765ed600c6 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -27,6 +27,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_AMD_COMMON
select SOC_AMD_COMMON_BLOCK_ACPI
select SOC_AMD_COMMON_BLOCK_ACPIMMIO
+ select SOC_AMD_COMMON_BLOCK_ACPI_GPIO
select SOC_AMD_COMMON_BLOCK_AOAC
select SOC_AMD_COMMON_BLOCK_APOB
select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS
diff --git a/src/soc/amd/picasso/acpi.c b/src/soc/amd/picasso/acpi.c
index 7315b924a1..b879571163 100644
--- a/src/soc/amd/picasso/acpi.c
+++ b/src/soc/amd/picasso/acpi.c
@@ -364,50 +364,3 @@ void generate_cpu_entries(const struct device *device)
acpigen_write_name_integer("PCNT", logical_cores);
acpigen_pop_len();
}
-
-static int acpigen_soc_gpio_op(const char *op, unsigned int gpio_num)
-{
- if (gpio_num >= SOC_GPIO_TOTAL_PINS) {
- printk(BIOS_WARNING, "Warning: Pin %d should be smaller than"
- " %d\n", gpio_num, SOC_GPIO_TOTAL_PINS);
- return -1;
- }
- /* op (gpio_num) */
- acpigen_emit_namestring(op);
- acpigen_write_integer(gpio_num);
- return 0;
-}
-
-static int acpigen_soc_get_gpio_state(const char *op, unsigned int gpio_num)
-{
- if (gpio_num >= SOC_GPIO_TOTAL_PINS) {
- printk(BIOS_WARNING, "Warning: Pin %d should be smaller than"
- " %d\n", gpio_num, SOC_GPIO_TOTAL_PINS);
- return -1;
- }
- /* Store (op (gpio_num), Local0) */
- acpigen_write_store();
- acpigen_soc_gpio_op(op, gpio_num);
- acpigen_emit_byte(LOCAL0_OP);
- return 0;
-}
-
-int acpigen_soc_read_rx_gpio(unsigned int gpio_num)
-{
- return acpigen_soc_get_gpio_state("\\_SB.GRXS", gpio_num);
-}
-
-int acpigen_soc_get_tx_gpio(unsigned int gpio_num)
-{
- return acpigen_soc_get_gpio_state("\\_SB.GTXS", gpio_num);
-}
-
-int acpigen_soc_set_tx_gpio(unsigned int gpio_num)
-{
- return acpigen_soc_gpio_op("\\_SB.STXS", gpio_num);
-}
-
-int acpigen_soc_clear_tx_gpio(unsigned int gpio_num)
-{
- return acpigen_soc_gpio_op("\\_SB.CTXS", gpio_num);
-}