#include <common.h>
#include <ppc4xx.h>
-#include <asm/processor.h>
#include <i2c.h>
-#include <asm-ppc/io.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/4xx_pcie.h>
#include "yucca.h"
-#include "../cpu/ppc4xx/440spe_pcie.h"
-#undef PCIE_ENDPOINT
-/* #define PCIE_ENDPOINT 1 */
+DECLARE_GLOBAL_DATA_PTR;
void fpga_init (void);
-void get_sys_info(PPC440_SYS_INFO *board_cfg );
-int compare_to_true(char *str );
-char *remove_l_w_space(char *in_str );
-char *remove_t_w_space(char *in_str );
-int get_console_port(void);
-
-int ppc440spe_init_pcie_rootport(int port);
-void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
-
#define DEBUG_ENV
#ifdef DEBUG_ENV
#define DEBUGF(fmt,args...) printf(fmt ,##args)
mtdcr (uic0sr, 0x00000000); /* clear all interrupts */
mtdcr (uic0sr, 0xffffffff); /* clear all interrupts */
- /* SDR0_MFR should be part of Ethernet init */
- mfsdr (sdr_mfr, mfr);
- mfr &= ~SDR0_MFR_ECS_MASK;
- /*mtsdr(sdr_mfr, mfr);*/
+ mfsdr(sdr_mfr, mfr);
+ mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */
+ mtsdr(sdr_mfr, mfr);
+
fpga_init();
return 0;
return 0;
}
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+static int ppc440spe_rev_a(void)
+{
+ if ((get_pvr() == PVR_440SPe_6_RA) || (get_pvr() == PVR_440SPe_RA))
+ return 1;
+ else
+ return 0;
+}
+
+u32 ddr_wrdtr(u32 default_val) {
+ /*
+ * Yucca boards with 440SPe rev. A need a slightly different setup
+ * for the MCIF0_WRDTR register.
+ */
+ if (ppc440spe_rev_a())
+ return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_270_DEG_ADV);
+
+ return default_val;
+}
+
+u32 ddr_clktr(u32 default_val) {
+ /*
+ * Yucca boards with 440SPe rev. A need a slightly different setup
+ * for the MCIF0_CLKTR register.
+ */
+ if (ppc440spe_rev_a())
+ return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
+
+ return default_val;
+}
+
#if defined(CFG_DRAM_TEST)
int testdram (void)
{
#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
void pci_target_init(struct pci_controller * hose )
{
- DECLARE_GLOBAL_DATA_PTR;
-
/*-------------------------------------------------------------------+
* Disable everything
*-------------------------------------------------------------------*/
case 0:
rootpoint = FPGA_REG1C_PE0_ROOTPOINT;
endpoint = 0;
- power = FPGA_REG1A_PE0_PWRON;
+ power = FPGA_REG1A_PE0_PWRON;
green_led = FPGA_REG1A_PE0_GLED;
- clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE0_YLED;
reset_off = FPGA_REG1C_PE0_PERST;
break;
case 1:
rootpoint = 0;
endpoint = FPGA_REG1C_PE1_ENDPOINT;
- power = FPGA_REG1A_PE1_PWRON;
+ power = FPGA_REG1A_PE1_PWRON;
green_led = FPGA_REG1A_PE1_GLED;
- clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE1_YLED;
reset_off = FPGA_REG1C_PE1_PERST;
break;
case 2:
rootpoint = 0;
endpoint = FPGA_REG1C_PE2_ENDPOINT;
- power = FPGA_REG1A_PE2_PWRON;
+ power = FPGA_REG1A_PE2_PWRON;
green_led = FPGA_REG1A_PE2_GLED;
- clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE2_YLED;
reset_off = FPGA_REG1C_PE2_PERST;
break;
case 0:
rootpoint = FPGA_REG1C_PE0_ROOTPOINT;
endpoint = 0;
- power = FPGA_REG1A_PE0_PWRON;
+ power = FPGA_REG1A_PE0_PWRON;
green_led = FPGA_REG1A_PE0_GLED;
- clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE0_YLED;
reset_off = FPGA_REG1C_PE0_PERST;
break;
case 1:
rootpoint = 0;
endpoint = FPGA_REG1C_PE1_ENDPOINT;
- power = FPGA_REG1A_PE1_PWRON;
+ power = FPGA_REG1A_PE1_PWRON;
green_led = FPGA_REG1A_PE1_GLED;
- clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE1_YLED;
reset_off = FPGA_REG1C_PE1_PERST;
break;
case 2:
rootpoint = 0;
endpoint = FPGA_REG1C_PE2_ENDPOINT;
- power = FPGA_REG1A_PE2_PWRON;
+ power = FPGA_REG1A_PE2_PWRON;
green_led = FPGA_REG1A_PE2_GLED;
- clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
+ clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
yellow_led = FPGA_REG1A_PE2_YLED;
reset_off = FPGA_REG1C_PE2_PERST;
break;
static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
-void pcie_setup_hoses(void)
+void pcie_setup_hoses(int busno)
{
struct pci_controller *hose;
int i, bus;
+ int ret = 0;
+ char *env;
+ unsigned int delay;
/*
* assume we're called after the PCIX hose is initialized, which takes
* bus ID 0 and therefore start numbering PCIe's from 1.
*/
- bus = 1;
+ bus = busno;
for (i = 0; i <= 2; i++) {
/* Check for yucca card presence */
if (!yucca_pcie_card_present(i))
continue;
-#ifdef PCIE_ENDPOINT
- yucca_setup_pcie_fpga_endpoint(i);
- if (ppc440spe_init_pcie_endport(i)) {
-#else
- yucca_setup_pcie_fpga_rootpoint(i);
- if (ppc440spe_init_pcie_rootport(i)) {
-#endif
- printf("PCIE%d: initialization failed\n", i);
+ if (is_end_point(i)) {
+ yucca_setup_pcie_fpga_endpoint(i);
+ ret = ppc4xx_init_pcie_endport(i);
+ } else {
+ yucca_setup_pcie_fpga_rootpoint(i);
+ ret = ppc4xx_init_pcie_rootport(i);
+ }
+ if (ret) {
+ printf("PCIE%d: initialization as %s failed\n", i,
+ is_end_point(i) ? "endpoint" : "root-complex");
continue;
}
hose = &pcie_hose[i];
hose->first_busno = bus;
- hose->last_busno = bus;
- bus++;
+ hose->last_busno = bus;
+ hose->current_busno = bus;
/* setup mem resource */
pci_set_region(hose->regions + 0,
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMSIZE,
- PCI_REGION_MEM
- );
+ PCI_REGION_MEM);
hose->region_count = 1;
pci_register_hose(hose);
-#ifdef PCIE_ENDPOINT
- ppc440spe_setup_pcie_endpoint(hose, i);
- /*
- * Reson for no scanning is endpoint can not generate
- * upstream configuration accesses.
- */
-#else
- ppc440spe_setup_pcie_rootpoint(hose, i);
- /*
- * Config access can only go down stream
- */
- hose->last_busno = pci_hose_scan(hose);
-#endif
+ if (is_end_point(i)) {
+ ppc4xx_setup_pcie_endpoint(hose, i);
+ /*
+ * Reson for no scanning is endpoint can not generate
+ * upstream configuration accesses.
+ */
+ } else {
+ ppc4xx_setup_pcie_rootpoint(hose, i);
+ env = getenv("pciscandelay");
+ if (env != NULL) {
+ delay = simple_strtoul(env, NULL, 10);
+ if (delay > 5)
+ printf("Warning, expect noticable delay before "
+ "PCIe scan due to 'pciscandelay' value!\n");
+ mdelay(delay * 1000);
+ }
+
+ /*
+ * Config access can only go down stream
+ */
+ hose->last_busno = pci_hose_scan(hose);
+ bus = hose->last_busno + 1;
+ }
}
}
#endif /* defined(CONFIG_PCI) */
projects / karo-tx-uboot.git / blobdiff