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Diffstat (limited to 'src/mainboard/amd/pademelon/mainboard.c')
-rw-r--r--src/mainboard/amd/pademelon/mainboard.c108
1 files changed, 67 insertions, 41 deletions
diff --git a/src/mainboard/amd/pademelon/mainboard.c b/src/mainboard/amd/pademelon/mainboard.c
index 2e55009094..9c558088c2 100644
--- a/src/mainboard/amd/pademelon/mainboard.c
+++ b/src/mainboard/amd/pademelon/mainboard.c
@@ -3,61 +3,86 @@
#include <device/device.h>
#include <amdblocks/agesawrapper.h>
#include <amdblocks/amd_pci_util.h>
+#include <console/console.h>
#include <soc/gpio.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
+#include <string.h>
#include "gpio.h"
-/***********************************************************
+/*
* These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
* This table is responsible for physically routing the PIC and
* IOAPIC IRQs to the different PCI devices on the system. It
* is read and written via registers 0xC00/0xC01 as an
* Index/Data pair. These values are chipset and mainboard
* dependent and should be updated accordingly.
- *
- * These values are used by the PCI configuration space,
- * MP Tables.
*/
-static const u8 mainboard_picr_data[FCH_IRQ_ROUTING_ENTRIES] = {
- [0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x0A, 0x1F, 0x1F,
- [0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x10] = 0x1F, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
- [0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
- [0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x40] = 0x04, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
- [0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
-};
+static uint8_t fch_pic_routing[FCH_IRQ_ROUTING_ENTRIES];
+static uint8_t fch_apic_routing[FCH_IRQ_ROUTING_ENTRIES];
+
+static const struct fch_irq_routing fch_irq_map[] = {
+ { PIRQ_A, 3, 16 },
+ { PIRQ_B, 4, 17 },
+ { PIRQ_C, 5, 18 },
+ { PIRQ_D, 7, 19 },
+ { PIRQ_E, 11, 20 },
+ { PIRQ_F, 10, 21 },
+ { PIRQ_G, PIRQ_NC, 22 },
+ { PIRQ_H, PIRQ_NC, 23 },
+ { PIRQ_SCI, PIRQ_NC, 9 },
+ { PIRQ_SMBUS, PIRQ_NC, PIRQ_NC },
+ { PIRQ_HDA, 3, 16 },
+ { PIRQ_SD, PIRQ_NC, 16 },
+ { PIRQ_SDIO, PIRQ_NC, PIRQ_NC },
+ { PIRQ_EHCI, 5, 18 },
+ { PIRQ_XHCI, 4, 18 },
+ { PIRQ_SATA, PIRQ_NC, 19 },
+ { PIRQ_GPIO, 7, 7 },
+ { PIRQ_I2C0, 3, 3 },
+ { PIRQ_I2C1, 15, 15 },
+ { PIRQ_I2C2, 6, 6 },
+ { PIRQ_I2C3, 14, 14 },
+ { PIRQ_UART0, 10, 10 },
+ { PIRQ_UART1, 11, 11 },
-static const u8 mainboard_intr_data[FCH_IRQ_ROUTING_ENTRIES] = {
- [0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- [0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
- [0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
- [0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
- [0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
- [0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
- [0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- [0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
- [0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* The MISC registers are not interrupt numbers */
+ { PIRQ_MISC, 0xfa, 0x00 },
+ { PIRQ_MISC0, 0xf1, 0x00 },
+ { PIRQ_MISC1, 0x00, 0x00 },
+ { PIRQ_MISC2, 0x00, 0x00 },
};
+static const struct fch_irq_routing *mb_get_fch_irq_mapping(size_t *length)
+{
+ *length = ARRAY_SIZE(fch_irq_map);
+ return fch_irq_map;
+}
+
+static void init_tables(void)
+{
+ const struct fch_irq_routing *mb_irq_map;
+ size_t mb_fch_irq_mapping_table_size;
+ size_t i;
+
+ mb_irq_map = mb_get_fch_irq_mapping(&mb_fch_irq_mapping_table_size);
+
+ memset(fch_pic_routing, PIRQ_NC, sizeof(fch_pic_routing));
+ memset(fch_apic_routing, PIRQ_NC, sizeof(fch_apic_routing));
+
+ for (i = 0; i < mb_fch_irq_mapping_table_size; i++) {
+ if (mb_irq_map[i].intr_index >= FCH_IRQ_ROUTING_ENTRIES) {
+ printk(BIOS_WARNING,
+ "Invalid IRQ index %u in FCH IRQ routing table entry %zu\n",
+ mb_irq_map[i].intr_index, i);
+ continue;
+ }
+ fch_pic_routing[mb_irq_map[i].intr_index] = mb_irq_map[i].pic_irq_num;
+ fch_apic_routing[mb_irq_map[i].intr_index] = mb_irq_map[i].apic_irq_num;
+ }
+}
+
/*
* This table defines the index into the picr/intr_data tables for each
* device. Any enabled device and slot that uses hardware interrupts should
@@ -88,8 +113,8 @@ static void pirq_setup(void)
{
pirq_data_ptr = mainboard_pirq_data;
pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
- intr_data_ptr = mainboard_intr_data;
- picr_data_ptr = mainboard_picr_data;
+ intr_data_ptr = fch_apic_routing;
+ picr_data_ptr = fch_pic_routing;
}
static void mainboard_init(void *chip_info)
@@ -105,6 +130,7 @@ static void mainboard_init(void *chip_info)
*************************************************/
static void mainboard_enable(struct device *dev)
{
+ init_tables();
/* Initialize the PIRQ data structures for consumption */
pirq_setup();
}