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Diffstat (limited to 'arch/ppc/kernel/feature.c')
-rw-r--r--arch/ppc/kernel/feature.c69
1 files changed, 58 insertions, 11 deletions
diff --git a/arch/ppc/kernel/feature.c b/arch/ppc/kernel/feature.c
index d5baa3747..e47befdd3 100644
--- a/arch/ppc/kernel/feature.c
+++ b/arch/ppc/kernel/feature.c
@@ -57,8 +57,8 @@ static fbit feature_bits_ohare_pbook[] = {
{0x38,1,OH_BAY_RESET_N}, /* FEATURE_Mediabay_reset */
{0x38,1,OH_BAY_POWER_N}, /* FEATURE_Mediabay_power */
{0x38,0,OH_BAY_PCI_ENABLE}, /* FEATURE_Mediabay_PCI_enable */
- {0x38,0,OH_BAY_IDE_ENABLE}, /* FEATURE_Mediabay_IDE_enable */
- {0x38,1,OH_IDE1_RESET_N}, /* FEATURE_Mediabay_IDE_reset */
+ {0x38,0,OH_BAY_IDE_ENABLE}, /* FEATURE_IDE1_enable */
+ {0x38,1,OH_IDE1_RESET_N}, /* FEATURE_IDE1_reset */
{0x38,0,OH_BAY_FLOPPY_ENABLE}, /* FEATURE_Mediabay_floppy_enable */
{0x38,0,0}, /* FEATURE_BMac_reset */
{0x38,0,0}, /* FEATURE_BMac_IO_enable */
@@ -68,6 +68,8 @@ static fbit feature_bits_ohare_pbook[] = {
{0x38,0,0}, /* FEATURE_Sound_CLK_Enable */
{0x38,0,0}, /* FEATURE_IDE2_enable */
{0x38,0,0}, /* FEATURE_IDE2_reset */
+ {0x38,0,0}, /* FEATURE_Mediabay_IDE_switch */
+ {0x38,0,0}, /* FEATURE_Mediabay_content */
};
/* Those bits are from a PowerBook. It's possible that desktop machines
@@ -87,8 +89,8 @@ static fbit feature_bits_heathrow[] = {
{0x38,1,HRW_BAY_RESET_N}, /* FEATURE_Mediabay_reset */
{0x38,1,HRW_BAY_POWER_N}, /* FEATURE_Mediabay_power */
{0x38,0,HRW_BAY_PCI_ENABLE}, /* FEATURE_Mediabay_PCI_enable */
- {0x38,0,HRW_BAY_IDE_ENABLE}, /* FEATURE_Mediabay_IDE_enable */
- {0x38,1,HRW_IDE1_RESET_N}, /* FEATURE_Mediabay_IDE_reset */
+ {0x38,0,HRW_BAY_IDE_ENABLE}, /* FEATURE_IDE1_enable */
+ {0x38,1,HRW_IDE1_RESET_N}, /* FEATURE_IDE1_reset */
{0x38,0,HRW_BAY_FLOPPY_ENABLE}, /* FEATURE_Mediabay_floppy_enable */
{0x38,0,HRW_BMAC_RESET}, /* FEATURE_BMac_reset */
{0x38,0,HRW_BMAC_IO_ENABLE}, /* FEATURE_BMac_IO_enable */
@@ -98,9 +100,44 @@ static fbit feature_bits_heathrow[] = {
{0x38,0,HRW_SOUND_CLK_ENABLE}, /* FEATURE_Sound_CLK_Enable */
{0x38,0,0}, /* FEATURE_IDE2_enable */
{0x38,0,0}, /* FEATURE_IDE2_reset */
+ {0x38,0,0}, /* FEATURE_Mediabay_IDE_switch */
+ {0x38,0,0}, /* FEATURE_Mediabay_content */
};
-/* Those bits are from an iBook.
+/*
+ * Those bits are from a 1999 G3 PowerBook, with a paddington chip.
+ * Mostly the same as the heathrow.
+ */
+static fbit feature_bits_paddington[] = {
+ {0x38,0,0}, /* FEATURE_null */
+ {0x38,0,0}, /* FEATURE_Serial_reset */
+ {0x38,0,HRW_SCC_ENABLE}, /* FEATURE_Serial_enable */
+ {0x38,0,HRW_SCCA_IO}, /* FEATURE_Serial_IO_A */
+ {0x38,0,HRW_SCCB_IO}, /* FEATURE_Serial_IO_B */
+ {0x38,0,HRW_SWIM_ENABLE}, /* FEATURE_SWIM3_enable */
+ {0x38,0,HRW_MESH_ENABLE}, /* FEATURE_MESH_enable */
+ {0x38,0,HRW_IDE0_ENABLE}, /* FEATURE_IDE0_enable */
+ {0x38,1,HRW_IDE0_RESET_N}, /* FEATURE_IDE0_reset */
+ {0x38,0,HRW_IOBUS_ENABLE}, /* FEATURE_IOBUS_enable */
+ {0x38,1,HRW_BAY_RESET_N}, /* FEATURE_Mediabay_reset */
+ {0x38,1,HRW_BAY_POWER_N}, /* FEATURE_Mediabay_power */
+ {0x38,0,HRW_BAY_PCI_ENABLE}, /* FEATURE_Mediabay_PCI_enable */
+ {0x38,0,HRW_BAY_IDE_ENABLE}, /* FEATURE_IDE1_enable */
+ {0x38,1,HRW_IDE1_RESET_N}, /* FEATURE_IDE1_reset */
+ {0x38,0,HRW_BAY_FLOPPY_ENABLE}, /* FEATURE_Mediabay_floppy_enable */
+ {0x38,0,HRW_BMAC_RESET}, /* FEATURE_BMac_reset */
+ {0x38,0,HRW_BMAC_IO_ENABLE}, /* FEATURE_BMac_IO_enable */
+ {0x38,1,PADD_MODEM_POWER_N}, /* FEATURE_Modem_power */
+ {0x38,0,HRW_SLOW_SCC_PCLK}, /* FEATURE_Slow_SCC_PCLK */
+ {0x38,1,HRW_SOUND_POWER_N}, /* FEATURE_Sound_Power */
+ {0x38,0,HRW_SOUND_CLK_ENABLE}, /* FEATURE_Sound_CLK_Enable */
+ {0x38,0,0}, /* FEATURE_IDE2_enable */
+ {0x38,0,0}, /* FEATURE_IDE2_reset */
+ {0x38,0,0}, /* FEATURE_Mediabay_IDE_switch */
+ {0x38,0,0}, /* FEATURE_Mediabay_content */
+};
+
+/* Those bits are for Core99 machines (iBook,G4,iMacSL/DV,Pismo,...).
*/
static fbit feature_bits_keylargo[] = {
{0x38,0,0}, /* FEATURE_null */
@@ -110,14 +147,14 @@ static fbit feature_bits_keylargo[] = {
{0x38,0,0}, /* FEATURE_Serial_IO_B */
{0x38,0,0}, /* FEATURE_SWIM3_enable */
{0x38,0,0}, /* FEATURE_MESH_enable */
- {0x38,0,0}, /* FEATURE_IDE0_enable */
- {0x3c,1,0x01000000}, /* FEATURE_IDE0_reset */
+ {0x3c,0,0}, /* FEATURE_IDE0_enable */
+ {0x3c,1,0x01000000}, /* FEATURE_IDE0_reset */
{0x38,0,0}, /* FEATURE_IOBUS_enable */
- {0x38,0,0}, /* FEATURE_Mediabay_reset */
- {0x38,0,0}, /* FEATURE_Mediabay_power */
+ {0x34,1,0x00000200}, /* FEATURE_Mediabay_reset */
+ {0x34,1,0x00000400}, /* FEATURE_Mediabay_power */
{0x38,0,0}, /* FEATURE_Mediabay_PCI_enable */
- {0x38,0,0}, /* FEATURE_Mediabay_IDE_enable */
- {0x3c,1,0x08000000}, /* FEATURE_Mediabay_IDE_reset */
+ {0x3c,0,0x0}, /* FEATURE_IDE1_enable */
+ {0x3c,1,0x08000000}, /* FEATURE_IDE1_reset */
{0x38,0,0}, /* FEATURE_Mediabay_floppy_enable */
{0x38,0,0}, /* FEATURE_BMac_reset */
{0x38,0,0}, /* FEATURE_BMac_IO_enable */
@@ -127,6 +164,8 @@ static fbit feature_bits_keylargo[] = {
{0x38,0,0}, /* FEATURE_Sound_CLK_Enable */
{0x38,0,0}, /* FEATURE_IDE2_enable */
{0x3c,1,0x40000000}, /* FEATURE_IDE2_reset */
+ {0x34,0,0x00001000}, /* FEATURE_Mediabay_IDE_switch */
+ {0x34,0,0x00000100}, /* FEATURE_Mediabay_content */
};
/* definition of a feature controller object */
@@ -164,6 +203,8 @@ feature_init(void)
*/
if (device_is_compatible(np, "Keylargo")) {
feature_add_controller(np, feature_bits_keylargo);
+ } else if (device_is_compatible(np, "paddington")) {
+ feature_add_controller(np, feature_bits_paddington);
} else {
feature_add_controller(np, feature_bits_heathrow);
}
@@ -268,6 +309,8 @@ feature_set(struct device_node* device, enum system_feature f)
if (!controller)
return -ENODEV;
bit = &controller->bits[f];
+ if (!bit->mask)
+ return -EINVAL;
#ifdef DEBUG_FEATURE
printk("feature: <%s> setting feature %d in controller @0x%x\n",
@@ -299,6 +342,8 @@ feature_clear(struct device_node* device, enum system_feature f)
if (!controller)
return -ENODEV;
bit = &controller->bits[f];
+ if (!bit->mask)
+ return -EINVAL;
#ifdef DEBUG_FEATURE
printk("feature: <%s> clearing feature %d in controller @0x%x\n",
@@ -329,6 +374,8 @@ feature_test(struct device_node* device, enum system_feature f)
if (!controller)
return -ENODEV;
bit = &controller->bits[f];
+ if (!bit->mask)
+ return -EINVAL;
#ifdef DEBUG_FEATURE
printk("feature: <%s> clearing feature %d in controller @0x%x\n",