MPC8349EMDS: Add PCI Agent (PCISLAVE) support

[oweals/u-boot.git] / board / freescale / mpc8349emds / pci.c

diff --git a/board/freescale/mpc8349emds/pci.c b/board/freescale/mpc8349emds/pci.c
index a783bebad32a05fa3360d5d60d02b71de014c7da..9c19e303f9634d6955e457c006fafadf796a9361 100644 (file)
--- a/board/freescale/mpc8349emds/pci.c
+++ b/board/freescale/mpc8349emds/pci.c
@@ -75,6 +75,7 @@ static struct pci_region pci2_regions[] = {
 };
 #endif
 
+#ifndef CONFIG_PCISLAVE
 void pib_init(void)
 {
        u8 val8, orig_i2c_bus;
@@ -166,4 +167,52 @@ void pci_init_board(void)
 #endif
 }
 
+#else
+void pci_init_board(void)
+{
+       volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
+       volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
+       volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+       volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[0];
+       struct pci_region *reg[] = { pci1_regions };
+
+       /* Enable all 8 PCI_CLK_OUTPUTS */
+       clk->occr = 0xff000000;
+       udelay(2000);
+
+       /* Configure PCI Local Access Windows */
+       pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
+       pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
+
+       pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
+       pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
+
+       udelay(2000);
+
+       mpc83xx_pci_init(1, reg, 0);
+
+       /* Configure PCI Inbound Translation Windows (3 1MB windows) */
+       pci_ctrl->pitar0 = 0x0;
+       pci_ctrl->pibar0 = 0x0;
+       pci_ctrl->piwar0 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
+                          PIWAR_WTT_SNOOP | PIWAR_IWS_1M;
+
+       pci_ctrl->pitar1  = 0x0;
+       pci_ctrl->pibar1  = 0x0;
+       pci_ctrl->piebar1 = 0x0;
+       pci_ctrl->piwar1  = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
+                           PIWAR_WTT_SNOOP | PIWAR_IWS_1M;
+
+       pci_ctrl->pitar2  = 0x0;
+       pci_ctrl->pibar2  = 0x0;
+       pci_ctrl->piebar2 = 0x0;
+       pci_ctrl->piwar2  = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
+                           PIWAR_WTT_SNOOP | PIWAR_IWS_1M;
+
+       /* Unlock the configuration bit */
+       mpc83xx_pcislave_unlock(0);
+       printf("PCI:   Agent mode enabled\n");
+}
+#endif /* CONFIG_PCISLAVE */
+
 #endif /* CONFIG_PCI */