diff options
Diffstat (limited to 'util/autoport/bd82x6x.go')
| -rw-r--r-- | util/autoport/bd82x6x.go | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/util/autoport/bd82x6x.go b/util/autoport/bd82x6x.go index e23262c375..ee7e207d25 100644 --- a/util/autoport/bd82x6x.go +++ b/util/autoport/bd82x6x.go @@ -11,7 +11,7 @@ type bd82x6x struct { } func (b bd82x6x) writeGPIOSet(ctx Context, sb *os.File, - val uint32, set uint, partno int) { + val uint32, set uint, partno int, constraint uint32) { max := uint(32) if set == 3 { @@ -28,22 +28,24 @@ func (b bd82x6x) writeGPIOSet(ctx Context, sb *os.File, } for i := uint(0); i < max; i++ { - fmt.Fprintf(sb, " .gpio%d = %s,\n", - (set-1)*32+i, - bits[partno][(val>>i)&1]) + if ((constraint>>i)&1 == 1) { + fmt.Fprintf(sb, " .gpio%d = %s,\n", + (set-1)*32+i, + bits[partno][(val>>i)&1]) + } } } func (b bd82x6x) GPIO(ctx Context, inteltool InteltoolData) { + var constraint uint32 gpio := Create(ctx, "gpio.c") defer gpio.Close() AddROMStageFile("gpio.c", "") - gpio.WriteString(`#include <southbridge/intel/common/gpio.h> -`) + gpio.WriteString("#include <southbridge/intel/common/gpio.h>\n\n") - adresses := [3][6]int{ + addresses := [3][6]int{ {0x00, 0x04, 0x0c, 0x60, 0x2c, 0x18}, {0x30, 0x34, 0x38, 0x64, -1, -1}, {0x40, 0x44, 0x48, 0x68, -1, -1}, @@ -51,14 +53,37 @@ func (b bd82x6x) GPIO(ctx Context, inteltool InteltoolData) { for set := 1; set <= 3; set++ { for partno, part := range []string{"mode", "direction", "level", "reset", "invert", "blink"} { - addr := adresses[set-1][partno] + addr := addresses[set-1][partno] if addr < 0 { continue } - fmt.Fprintf(gpio, "const struct pch_gpio_set%d pch_gpio_set%d_%s = {\n", + fmt.Fprintf(gpio, "static const struct pch_gpio_set%d pch_gpio_set%d_%s = {\n", set, set, part) - b.writeGPIOSet(ctx, gpio, inteltool.GPIO[uint16(addr)], uint(set), partno) + constraint = 0xffffffff + switch part { + case "direction": + /* Ignored on native mode */ + constraint = inteltool.GPIO[uint16(addresses[set-1][0])] + case "level": + /* Level doesn't matter for input */ + constraint = inteltool.GPIO[uint16(addresses[set-1][0])] + constraint &^= inteltool.GPIO[uint16(addresses[set-1][1])] + case "reset": + /* Only show reset */ + constraint = inteltool.GPIO[uint16(addresses[set-1][3])] + case "invert": + /* Only on input and only show inverted GPIO */ + constraint = inteltool.GPIO[uint16(addresses[set-1][0])] + constraint &= inteltool.GPIO[uint16(addresses[set-1][1])] + constraint &= inteltool.GPIO[uint16(addresses[set-1][4])] + case "blink": + /* Only on output and only show blinking GPIO */ + constraint = inteltool.GPIO[uint16(addresses[set-1][0])] + constraint &^= inteltool.GPIO[uint16(addresses[set-1][1])] + constraint &= inteltool.GPIO[uint16(addresses[set-1][5])] + } + b.writeGPIOSet(ctx, gpio, inteltool.GPIO[uint16(addr)], uint(set), partno, constraint) gpio.WriteString("};\n\n") } } |