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powerpc/85xx: Rework P2020DS pci_init_board to use common FSL PCIe code

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Remove duplicated code in P2020DS board and utilize the common
fsl_pcie_init_board().  We also now dynamically setup the LAWs for PCI
controllers based on which PCIe controllers are enabled.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2010-12-17 07:01:00 -06:00
parent 18ea555130
commit 4d5723da57
3 changed files with 5 additions and 111 deletions
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8
board/freescale/p2020ds/law.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2008-2009 Freescale Semiconductor, Inc.
* Copyright 2008-2010 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@ -29,12 +29,6 @@
struct law_entry law_table[] = {
SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_2),
SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_2),
SET_LAW(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_3),
SET_LAW(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_3),
SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
};

105
board/freescale/p2020ds/p2020ds.c
View File

@ -155,113 +155,10 @@ phys_size_t fixed_sdram(void)
#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_PCI
void pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
struct fsl_pci_info pci_info[3];
u32 devdisr, pordevsr, io_sel;
int first_free_busno = 0;
int num = 0;
int pcie_ep, pcie_configured;
devdisr = in_be32(&gur->devdisr);
pordevsr = in_be32(&gur->pordevsr);
io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
debug (" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
puts("\n");
#ifdef CONFIG_PCIE2
pcie_configured = is_serdes_configured(PCIE2);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
SET_STD_PCIE_INFO(pci_info[num], 2);
pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
printf("PCIE2: connected to ULI as %s (base addr %lx)\n",
pcie_ep ? "Endpoint" : "Root Complex",
pci_info[num].regs);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pcie2_hose, first_free_busno);
/*
* The workaround doesn't work on p2020 because the location
* we try and read isn't valid on p2020, fix this later
*/
#if 0
/*
* Activate ULI1575 legacy chip by performing a fake
* memory access. Needed to make ULI RTC work.
* Device 1d has the first on-board memory BAR.
*/
pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0),
PCI_BASE_ADDRESS_1, &temp32);
if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
temp32, 4, 0);
debug(" uli1575 read to %p\n", p);
in_be32(p);
}
#endif
} else {
printf("PCIE2: disabled\n");
}
puts("\n");
#else
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
#endif
#ifdef CONFIG_PCIE3
pcie_configured = is_serdes_configured(PCIE3);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
SET_STD_PCIE_INFO(pci_info[num], 3);
pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
printf("PCIE3: connected to Slot 1 as %s (base addr %lx)\n",
pcie_ep ? "Endpoint" : "Root Complex",
pci_info[num].regs);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pcie3_hose, first_free_busno);
} else {
printf("PCIE3: disabled\n");
}
puts("\n");
#else
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
#endif
#ifdef CONFIG_PCIE1
pcie_configured = is_serdes_configured(PCIE1);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
SET_STD_PCIE_INFO(pci_info[num], 1);
pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
printf("PCIE1: connected to Slot 2 as %s (base addr %lx)\n",
pcie_ep ? "Endpoint" : "Root Complex",
pci_info[num].regs);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pcie1_hose, first_free_busno);
} else {
printf("PCIE1: disabled\n");
}
puts("\n");
#else
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
#endif
fsl_pcie_init_board(0);
}
#endif

3
include/configs/P2020DS.h
View File

@ -394,6 +394,7 @@
*/
/* controller 3, Slot 1, tgtid 3, Base address b000 */
#define CONFIG_SYS_PCIE3_NAME "Slot 1"
#define CONFIG_SYS_PCIE3_MEM_VIRT 0x80000000
#ifdef CONFIG_PHYS_64BIT
#define CONFIG_SYS_PCIE3_MEM_BUS 0xe0000000
@ -413,6 +414,7 @@
#define CONFIG_SYS_PCIE3_IO_SIZE 0x00010000 /* 64k */
/* controller 2, direct to uli, tgtid 2, Base address 9000 */
#define CONFIG_SYS_PCIE2_NAME "ULI"
#define CONFIG_SYS_PCIE2_MEM_VIRT 0xa0000000
#ifdef CONFIG_PHYS_64BIT
#define CONFIG_SYS_PCIE2_MEM_BUS 0xe0000000
@ -432,6 +434,7 @@
#define CONFIG_SYS_PCIE2_IO_SIZE 0x00010000 /* 64k */
/* controller 1, Slot 2, tgtid 1, Base address a000 */
#define CONFIG_SYS_PCIE1_NAME "Slot 2"
#define CONFIG_SYS_PCIE1_MEM_VIRT 0xc0000000
#ifdef CONFIG_PHYS_64BIT
#define CONFIG_SYS_PCIE1_MEM_BUS 0xe0000000