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quark: Enable HSUART0 as console

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The use of HSUART0 on galileo requires early initialization of the I2C
GPIO expanders to direct the RXD and TXD signals to DIGITAL 0 and 1
on the expansion connector.

TEST=None

Change-Id: I11195d79e954c1f6bc91eafe257d7ddc1310b2e7
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15010
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Lee Leahy
2016-05-30 15:01:06 -07:00
committed by Leroy P Leahy
parent ac78db3a53
commit bc518d5cab
7 changed files with 126 additions and 27 deletions
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27
src/soc/intel/quark/Kconfig
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@@ -40,9 +40,19 @@ config CPU_SPECIFIC_OPTIONS
# The following options configure the debug serial port
#####
config ENABLE_BUILTIN_HSUART0
bool "Enable built-in HSUART0"
default n
select NO_UART_ON_SUPERIO
select DRIVERS_UART_8250MEM_32
help
The Quark SoC has two HSUART. Choose this option to configure the pads
and enable HSUART0, which can be used for the debug console.
config ENABLE_BUILTIN_HSUART1
bool "Enable built-in HSUART1"
default y
default n
depends on ! ENABLE_BUILTIN_HSUART0
select NO_UART_ON_SUPERIO
select DRIVERS_UART_8250MEM_32
help
@@ -50,23 +60,24 @@ config ENABLE_BUILTIN_HSUART1
and enable HSUART1, which can be used for the debug console.
config TTYS0_BASE
hex "HSUART1 Base Address"
depends on ENABLE_BUILTIN_HSUART1
hex "HSUART Base Address"
default 0xA0019000
depends on ENABLE_BUILTIN_HSUART0 || ENABLE_BUILTIN_HSUART1
help
Memory mapped MMIO of HSUART1.
Memory mapped MMIO of HSUART.
config TTYS0_LCS
int
depends on ENABLE_BUILTIN_HSUART1
default 3
depends on ENABLE_BUILTIN_HSUART0 || ENABLE_BUILTIN_HSUART1
# Console: PCI UART bus 0 << 20, device 20 << 15, function 5 << 12
# Console: PCI UART bus 0 << 20, device 20 << 15, function x << 12
# Valid bit, PCI UART in use: 1 << 31
config UART_PCI_ADDR
hex
depends on ENABLE_BUILTIN_HSUART1
default 0x800a5000
default 0x800a1000 if ENABLE_BUILTIN_HSUART0
default 0x800a5000 if ENABLE_BUILTIN_HSUART1
depends on ENABLE_BUILTIN_HSUART0 || ENABLE_BUILTIN_HSUART1
#####
# Debug support