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authorMarshall Dawson <marshalldawson3rd@gmail.com>2019-05-01 17:33:42 -0600
committerMartin Roth <martinroth@google.com>2019-05-08 13:49:45 +0000
commitb4b9efcfdd47efe67b13e1cf8cfea2ffe08fb012 (patch)
treee701ef4e442478ab8ce9457f126c0d1a016e07f4
parentb435d4405dacdc218777aaba349151ae28997741 (diff)
soc/amd/stoneyridge: Finish read/write misc registers
Add 16 and 32-bit versions of read / write_misc functions. Find one access of the MISC block still using read8() and write8(), and convert it. Change-Id: I296c521ea7f43210db406013bbe79362545ce6f3 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32646 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
-rw-r--r--src/soc/amd/stoneyridge/include/soc/southbridge.h4
-rw-r--r--src/soc/amd/stoneyridge/sb_util.c20
-rw-r--r--src/soc/amd/stoneyridge/southbridge.c6
3 files changed, 26 insertions, 4 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h
index 098d24edbb..e5ba2af5eb 100644
--- a/src/soc/amd/stoneyridge/include/soc/southbridge.h
+++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h
@@ -503,7 +503,11 @@ u32 acpi_read32(u8 reg);
void acpi_write8(u8 reg, u8 value);
void acpi_write16(u8 reg, u16 value);
void acpi_write32(u8 reg, u32 value);
+u8 misc_read8(u8 reg);
+u16 misc_read16(u8 reg);
u32 misc_read32(u8 reg);
+void misc_write8(u8 reg, u8 value);
+void misc_write16(u8 reg, u16 value);
void misc_write32(u8 reg, u32 value);
uint8_t smi_read8(uint8_t offset);
uint16_t smi_read16(uint8_t offset);
diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c
index 530e9cd946..5aec431593 100644
--- a/src/soc/amd/stoneyridge/sb_util.c
+++ b/src/soc/amd/stoneyridge/sb_util.c
@@ -219,11 +219,31 @@ void smbus_write16(u8 reg, u16 value)
/* misc read/write - access registers at 0xfed80e00 */
+u8 misc_read8(u8 reg)
+{
+ return read8((void *)(ACPIMMIO_MISC_BASE + reg));
+}
+
+u16 misc_read16(u8 reg)
+{
+ return read16((void *)(ACPIMMIO_MISC_BASE + reg));
+}
+
u32 misc_read32(u8 reg)
{
return read32((void *)(ACPIMMIO_MISC_BASE + reg));
}
+void misc_write8(u8 reg, u8 value)
+{
+ write8((void *)(ACPIMMIO_MISC_BASE + reg), value);
+}
+
+void misc_write16(u8 reg, u16 value)
+{
+ write16((void *)(ACPIMMIO_MISC_BASE + reg), value);
+}
+
void misc_write32(u8 reg, u32 value)
{
write32((void *)(ACPIMMIO_MISC_BASE + reg), value);
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c
index 7dc27c86da..b5901782f6 100644
--- a/src/soc/amd/stoneyridge/southbridge.c
+++ b/src/soc/amd/stoneyridge/southbridge.c
@@ -391,14 +391,12 @@ static void sb_enable_legacy_io(void)
void sb_clk_output_48Mhz(u32 osc)
{
u32 ctrl;
- u32 *misc_clk_cntl_1_ptr = (u32 *)(uintptr_t)(ACPIMMIO_MISC_BASE
- + MISC_CLK_CNTL1);
/*
* Clear the disable for OSCOUT1 (signal typically named XnnM_25M_48M)
* or OSCOUT2 (USBCLK/25M_48M_OSC). The frequency defaults to 48MHz.
*/
- ctrl = read32(misc_clk_cntl_1_ptr);
+ ctrl = misc_read32(MISC_CLK_CNTL1);
switch (osc) {
case 1:
@@ -410,7 +408,7 @@ void sb_clk_output_48Mhz(u32 osc)
default:
return; /* do nothing if invalid */
}
- write32(misc_clk_cntl_1_ptr, ctrl);
+ misc_write32(MISC_CLK_CNTL1, ctrl);
}
static uintptr_t sb_spibase(void)