diff options
| author | Garrett Kirkendall <garrett.kirkendall@amd.corp-partner.google.com> | 2018-03-06 09:05:20 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-03-07 17:55:00 +0000 |
| commit | d2558304183e3f79e2dfbfdab4c1b78f8f222217 (patch) | |
| tree | 7ef384df5c97dc7c1c84ad15d515359254e874fd /src | |
| parent | 050b6fb125d862e93719aba0ec8e8972415ece76 (diff) | |
soc/amd/stoneyridge: clean up OSCOUT1_ClkOutputEnb
Change OSCOUT1_ClkOutputEnb programming to use registers from iomap.h
and southbridge.h
BUG=b:69220826
BRANCH=master
TEST=abuild, build Gardenia, build and boot Grunt
Change-Id: Ib138dae6057394740c415e882e4dbd925882c2de
Signed-off-by: Garrett Kirkendall <garrett.kirkendall@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/25009
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 3 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 8 |
2 files changed, 7 insertions, 4 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index b4c7089773..780a9e33d2 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -247,7 +247,8 @@ #define SPI100_HOST_PREF_CONFIG 0x2c #define SPI_RD4DW_EN_HOST BIT(15) -#define FCH_MISC_REG40_OSCOUT1_EN BIT(2) +#define MISC_MISC_CLK_CNTL_1 0x40 +#define OSCOUT1_CLK_OUTPUT_ENB BIT(2) /* 0 = Enabled, 1 = Disabled */ /* IO 0xcf9 - Reset control port*/ #define FULL_RST BIT(3) diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 3d0cc74779..47f15cd1b5 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -360,16 +360,18 @@ void sb_lpc_decode(void) void sb_clk_output_48Mhz(void) { u32 ctrl; + u32 *misc_clk_cntl_1_ptr = (u32 *)(uintptr_t)(MISC_MMIO_BASE + + MISC_MISC_CLK_CNTL_1); /* * Enable the X14M_25M_48M_OSC pin and leaving it at it's default so * 48Mhz will be on ball AP13 (FT3b package) */ - ctrl = read32((void *)(ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40)); + ctrl = read32(misc_clk_cntl_1_ptr); /* clear the OSCOUT1_ClkOutputEnb to enable the 48 Mhz clock */ - ctrl &= ~FCH_MISC_REG40_OSCOUT1_EN; - write32((void *)(ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40), ctrl); + ctrl &= ~OSCOUT1_CLK_OUTPUT_ENB; + write32(misc_clk_cntl_1_ptr, ctrl); } static uintptr_t sb_spibase(void) |