* Copyright 2008 Extreme Engineering Solutions, Inc.
* Copyright 2007-2008 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <pci.h>
#include <asm/fsl_pci.h>
+#include <asm/fsl_serdes.h>
+#include <asm/io.h>
+#include <linux/compiler.h>
#include <libfdt.h>
#include <fdt_support.h>
-int first_free_busno = 0;
#ifdef CONFIG_PCI1
static struct pci_controller pci1_hose;
#endif
-#ifdef CONFIG_PCIE1
-static struct pci_controller pcie1_hose;
-#endif
-#ifdef CONFIG_PCIE2
-static struct pci_controller pcie2_hose;
-#endif
-#ifdef CONFIG_PCIE3
-static struct pci_controller pcie3_hose;
-#endif
-
-#ifdef CONFIG_MPC8572
-/* Correlate host/agent POR bits to usable info. Table 4-14 */
-struct host_agent_cfg_t {
- uchar pcie_root[3];
- uchar rio_host;
-} host_agent_cfg[8] = {
- {{0, 0, 0}, 0},
- {{0, 1, 1}, 1},
- {{1, 0, 1}, 0},
- {{1, 1, 0}, 1},
- {{0, 0, 1}, 0},
- {{0, 1, 0}, 1},
- {{1, 0, 0}, 0},
- {{1, 1, 1}, 1}
-};
-
-/* Correlate port width POR bits to usable info. Table 4-15 */
-struct io_port_cfg_t {
- uchar pcie_width[3];
- uchar rio_width;
-} io_port_cfg[16] = {
- {{0, 0, 0}, 0},
- {{0, 0, 0}, 0},
- {{4, 0, 0}, 0},
- {{4, 4, 0}, 0},
- {{0, 0, 0}, 0},
- {{0, 0, 0}, 0},
- {{0, 0, 0}, 4},
- {{4, 2, 2}, 0},
- {{0, 0, 0}, 0},
- {{0, 0, 0}, 0},
- {{0, 0, 0}, 0},
- {{4, 0, 0}, 4},
- {{4, 0, 0}, 4},
- {{0, 0, 0}, 4},
- {{0, 0, 0}, 4},
- {{8, 0, 0}, 0},
-};
-#elif defined CONFIG_MPC8548
-/* Correlate host/agent POR bits to usable info. Table 4-12 */
-struct host_agent_cfg_t {
- uchar pci_host[2];
- uchar pcie_root[1];
- uchar rio_host;
-} host_agent_cfg[8] = {
- {{1, 1}, {0}, 0},
- {{1, 1}, {1}, 0},
- {{1, 1}, {0}, 1},
- {{0, 0}, {0}, 0}, /* reserved */
- {{0, 1}, {1}, 0},
- {{1, 1}, {1}, 0},
- {{0, 1}, {1}, 1},
- {{1, 1}, {1}, 1}
-};
-
-/* Correlate port width POR bits to usable info. Table 4-13 */
-struct io_port_cfg_t {
- uchar pcie_width[1];
- uchar rio_width;
-} io_port_cfg[8] = {
- {{0}, 0},
- {{0}, 0},
- {{0}, 0},
- {{4}, 4},
- {{4}, 4},
- {{0}, 4},
- {{0}, 4},
- {{8}, 0},
-};
-#elif defined CONFIG_MPC86xx
-/* Correlate host/agent POR bits to usable info. Table 4-17 */
-struct host_agent_cfg_t {
- uchar pcie_root[2];
- uchar rio_host;
-} host_agent_cfg[8] = {
- {{0, 0}, 0},
- {{1, 0}, 1},
- {{0, 1}, 0},
- {{1, 1}, 1}
-};
-
-/* Correlate port width POR bits to usable info. Table 4-16 */
-struct io_port_cfg_t {
- uchar pcie_width[2];
- uchar rio_width;
-} io_port_cfg[16] = {
- {{0, 0}, 0},
- {{0, 0}, 0},
- {{8, 0}, 0},
- {{8, 8}, 0},
- {{0, 0}, 0},
- {{8, 0}, 4},
- {{8, 0}, 4},
- {{8, 0}, 4},
- {{0, 0}, 0},
- {{0, 0}, 4},
- {{0, 0}, 4},
- {{0, 0}, 4},
- {{0, 0}, 0},
- {{0, 0}, 0},
- {{0, 8}, 0},
- {{8, 8}, 0},
-};
-#endif
-
-/*
- * 85xx and 86xx share naming conventions, but different layout.
- * Correlate names to CPU-specific values to share common
- * PCI code.
- */
-#if defined(CONFIG_MPC85xx)
-#define MPC8xxx_DEVDISR_PCIE1 MPC85xx_DEVDISR_PCIE
-#define MPC8xxx_DEVDISR_PCIE2 MPC85xx_DEVDISR_PCIE2
-#define MPC8xxx_DEVDISR_PCIE3 MPC85xx_DEVDISR_PCIE3
-#define MPC8xxx_PORDEVSR_IO_SEL MPC85xx_PORDEVSR_IO_SEL
-#define MPC8xxx_PORDEVSR_IO_SEL_SHIFT MPC85xx_PORDEVSR_IO_SEL_SHIFT
-#define MPC8xxx_PORBMSR_HA MPC85xx_PORBMSR_HA
-#define MPC8xxx_PORBMSR_HA_SHIFT MPC85xx_PORBMSR_HA_SHIFT
-#elif defined(CONFIG_MPC86xx)
-#define MPC8xxx_DEVDISR_PCIE1 MPC86xx_DEVDISR_PCIEX1
-#define MPC8xxx_DEVDISR_PCIE2 MPC86xx_DEVDISR_PCIEX2
-#define MPC8xxx_DEVDISR_PCIE3 0 /* 8641 doesn't have PCIe3 */
-#define MPC8xxx_PORDEVSR_IO_SEL MPC8641_PORDEVSR_IO_SEL
-#define MPC8xxx_PORDEVSR_IO_SEL_SHIFT MPC8641_PORDEVSR_IO_SEL_SHIFT
-#define MPC8xxx_PORBMSR_HA MPC8641_PORBMSR_HA
-#define MPC8xxx_PORBMSR_HA_SHIFT MPC8641_PORBMSR_HA_SHIFT
-#endif
void pci_init_board(void)
{
- struct pci_controller *hose;
- volatile ccsr_fsl_pci_t *pci;
- int width;
- int host;
-#if defined(CONFIG_MPC85xx)
- volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-#elif defined(CONFIG_MPC86xx)
- immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile ccsr_gur_t *gur = &immap->im_gur;
-#endif
- uint devdisr = gur->devdisr;
- uint io_sel = (gur->pordevsr & MPC8xxx_PORDEVSR_IO_SEL) >>
- MPC8xxx_PORDEVSR_IO_SEL_SHIFT;
- uint host_agent = (gur->porbmsr & MPC8xxx_PORBMSR_HA) >>
- MPC8xxx_PORBMSR_HA_SHIFT;
- struct pci_region *r;
+ int first_free_busno = 0;
#ifdef CONFIG_PCI1
- uint pci_spd_norm = (gur->pordevsr & MPC85xx_PORDEVSR_PCI1_SPD);
- uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
- uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
- uint pcix = gur->pordevsr & MPC85xx_PORDEVSR_PCI1;
+ int pcie_ep;
+ struct fsl_pci_info pci_info;
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 devdisr = in_be32(&gur->devdisr);
+ uint pci_spd_norm = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_SPD;
+ uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32;
+ uint pci_arb = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_ARB;
+ uint pcix = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1;
uint freq = CONFIG_SYS_CLK_FREQ / 1000 / 1000;
- width = 0; /* Silence compiler warning... */
- io_sel &= 0xf; /* Silence compiler warning... */
- pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
- hose = &pci1_hose;
- host = host_agent_cfg[host_agent].pci_host[0];
- r = hose->regions;
-
-
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
- printf("\n PCI1: %d bit %s, %s %d MHz, %s, %s\n",
+ SET_STD_PCI_INFO(pci_info, 1);
+ set_next_law(pci_info.mem_phys,
+ law_size_bits(pci_info.mem_size), pci_info.law);
+ set_next_law(pci_info.io_phys,
+ law_size_bits(pci_info.io_size), pci_info.law);
+
+ pcie_ep = fsl_setup_hose(&pci1_hose, pci_info.regs);
+ printf("PCI1: %d bit %s, %s %d MHz, %s, %s\n",
pci_32 ? 32 : 64,
pcix ? "PCIX" : "PCI",
- pci_spd_norm ? ">=" : "<=",
+ pci_spd_norm ? ">=" : "<=",
pcix ? freq * 2 : freq,
- host ? "host" : "agent",
+ pcie_ep ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter");
- /* inbound */
- r += fsl_pci_setup_inbound_windows(r);
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCI1_MEM_BASE,
- CONFIG_SYS_PCI1_MEM_PHYS,
- CONFIG_SYS_PCI1_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCI1_IO_BASE,
- CONFIG_SYS_PCI1_IO_PHYS,
- CONFIG_SYS_PCI1_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = r - hose->regions;
-
- hose->first_busno = first_free_busno;
- pci_setup_indirect(hose, (int)&pci->cfg_addr,
- (int)&pci->cfg_data);
-
- fsl_pci_init(hose);
-
- /* Unlock inbound PCI configuration cycles */
- if (!host)
- fsl_pci_config_unlock(hose);
-
- first_free_busno = hose->last_busno + 1;
- printf(" PCI1 on bus %02x - %02x\n",
- hose->first_busno, hose->last_busno);
+ first_free_busno = fsl_pci_init_port(&pci_info,
+ &pci1_hose, first_free_busno);
} else {
- printf(" PCI1: disabled\n");
+ printf("PCI1: disabled\n");
}
#elif defined CONFIG_MPC8548
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* PCI1 not present on MPC8572 */
- gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1);
#endif
-#ifdef CONFIG_PCIE1
- pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
- hose = &pcie1_hose;
- host = host_agent_cfg[host_agent].pcie_root[0];
- width = io_port_cfg[io_sel].pcie_width[0];
- r = hose->regions;
-
- if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE1)) {
- printf("\n PCIE1 connected as %s (x%d)",
- host ? "Root Complex" : "End Point", width);
- if (pci->pme_msg_det) {
- pci->pme_msg_det = 0xffffffff;
- debug(" with errors. Clearing. Now 0x%08x",
- pci->pme_msg_det);
- }
- printf("\n");
-
- /* inbound */
- r += fsl_pci_setup_inbound_windows(r);
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCIE1_MEM_BASE,
- CONFIG_SYS_PCIE1_MEM_PHYS,
- CONFIG_SYS_PCIE1_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCIE1_IO_BASE,
- CONFIG_SYS_PCIE1_IO_PHYS,
- CONFIG_SYS_PCIE1_IO_SIZE,
- PCI_REGION_IO);
- hose->region_count = r - hose->regions;
-
- hose->first_busno = first_free_busno;
- pci_setup_indirect(hose, (int)&pci->cfg_addr,
- (int) &pci->cfg_data);
-
- fsl_pci_init(hose);
-
- /* Unlock inbound PCI configuration cycles */
- if (!host)
- fsl_pci_config_unlock(hose);
-
- first_free_busno = hose->last_busno + 1;
- printf(" PCIE1 on bus %02x - %02x\n",
- hose->first_busno, hose->last_busno);
- }
-#else
- gur->devdisr |= MPC8xxx_DEVDISR_PCIE1; /* disable */
-#endif /* CONFIG_PCIE1 */
-
-#ifdef CONFIG_PCIE2
- pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
- hose = &pcie2_hose;
- host = host_agent_cfg[host_agent].pcie_root[1];
- width = io_port_cfg[io_sel].pcie_width[1];
- r = hose->regions;
-
- if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE2)) {
- printf("\n PCIE2 connected as %s (x%d)",
- host ? "Root Complex" : "End Point", width);
- if (pci->pme_msg_det) {
- pci->pme_msg_det = 0xffffffff;
- debug(" with errors. Clearing. Now 0x%08x",
- pci->pme_msg_det);
- }
- printf("\n");
-
- /* inbound */
- r += fsl_pci_setup_inbound_windows(r);
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCIE2_MEM_BASE,
- CONFIG_SYS_PCIE2_MEM_PHYS,
- CONFIG_SYS_PCIE2_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCIE2_IO_BASE,
- CONFIG_SYS_PCIE2_IO_PHYS,
- CONFIG_SYS_PCIE2_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = r - hose->regions;
-
- hose->first_busno = first_free_busno;
- pci_setup_indirect(hose, (int)&pci->cfg_addr,
- (int)&pci->cfg_data);
-
- fsl_pci_init(hose);
-
- /* Unlock inbound PCI configuration cycles */
- if (!host)
- fsl_pci_config_unlock(hose);
-
- first_free_busno = hose->last_busno + 1;
- printf(" PCIE2 on bus %02x - %02x\n",
- hose->first_busno, hose->last_busno);
- }
-#else
- gur->devdisr |= MPC8xxx_DEVDISR_PCIE2; /* disable */
-#endif /* CONFIG_PCIE2 */
-
-#ifdef CONFIG_PCIE3
- pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
- hose = &pcie3_hose;
- host = host_agent_cfg[host_agent].pcie_root[2];
- width = io_port_cfg[io_sel].pcie_width[2];
- r = hose->regions;
-
- if (width && !(devdisr & MPC8xxx_DEVDISR_PCIE3)) {
- printf("\n PCIE3 connected as %s (x%d)",
- host ? "Root Complex" : "End Point", width);
- if (pci->pme_msg_det) {
- pci->pme_msg_det = 0xffffffff;
- debug(" with errors. Clearing. Now 0x%08x",
- pci->pme_msg_det);
- }
- printf("\n");
-
- /* inbound */
- r += fsl_pci_setup_inbound_windows(r);
-
- /* outbound memory */
- pci_set_region(r++,
- CONFIG_SYS_PCIE3_MEM_BASE,
- CONFIG_SYS_PCIE3_MEM_PHYS,
- CONFIG_SYS_PCIE3_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(r++,
- CONFIG_SYS_PCIE3_IO_BASE,
- CONFIG_SYS_PCIE3_IO_PHYS,
- CONFIG_SYS_PCIE3_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = r - hose->regions;
-
- hose->first_busno = first_free_busno;
- pci_setup_indirect(hose, (int)&pci->cfg_addr,
- (int)&pci->cfg_data);
-
- fsl_pci_init(hose);
-
- /* Unlock inbound PCI configuration cycles */
- if (!host)
- fsl_pci_config_unlock(hose);
-
- first_free_busno = hose->last_busno + 1;
- printf(" PCIE3 on bus %02x - %02x\n",
- hose->first_busno, hose->last_busno);
- }
-#else
- gur->devdisr |= MPC8xxx_DEVDISR_PCIE3; /* disable */
-#endif /* CONFIG_PCIE3 */
+ fsl_pcie_init_board(first_free_busno);
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_pci_setup(void *blob, bd_t *bd)
{
- /* TODO - make node name (eg pci0) dynamic */
-#ifdef CONFIG_PCI1
- ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
-#endif
-#ifdef CONFIG_PCIE1
- ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
-#endif
-#ifdef CONFIG_PCIE2
- ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
-#endif
-#ifdef CONFIG_PCIE3
- ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
-#endif
+ FT_FSL_PCI_SETUP;
}
#endif /* CONFIG_OF_BOARD_SETUP */
projects / u-boot / blobdiff