/*
+ * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de>
+ *
+ * (C) Copyright 2006
+ * Thomas Waehner, TQ-Systems GmbH, thomas.waehner@tqs.de.
+ *
* (C) Copyright 2005
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <asm/io.h>
#include <ioports.h>
#include <flash.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
/* Port D: conf, ppar, psor, pdir, podr, pdat */
{
+#ifdef CONFIG_TQM8560
{1, 1, 0, 0, 0, 0}, /* PD31: SCC1 EN RxD */
{1, 1, 1, 1, 0, 0}, /* PD30: SCC1 EN TxD */
{1, 1, 0, 1, 0, 0}, /* PD29: SCC1 EN TENA */
+#else /* !CONFIG_TQM8560 */
+ {0, 0, 0, 0, 0, 0}, /* PD31: PD31 */
+ {0, 0, 0, 0, 0, 0}, /* PD30: PD30 */
+ {0, 0, 0, 0, 0, 0}, /* PD29: PD29 */
+#endif /* CONFIG_TQM8560 */
{1, 1, 0, 0, 0, 0}, /* PD28: PD28 */
{1, 1, 0, 1, 0, 0}, /* PD27: PD27 */
{1, 1, 0, 1, 0, 0}, /* PD26: PD26 */
}
putc ('\n');
-#ifdef CONFIG_PCI
- printf ("PCI1: 32 bit, %d MHz (compiled)\n",
- CONFIG_SYS_CLK_FREQ / 1000000);
-#else
- printf ("PCI1: disabled\n");
-#endif
-
/*
* Initialize local bus.
*/
int misc_init_r (void)
{
- volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
/*
* Adjust flash start and offset to detected values
gd->bd->bi_flashoffset = 0;
/*
- * Check if boot FLASH isn't max size
+ * Recalculate CS configuration if second FLASH bank is available
*/
- if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
- memctl->or0 =
- gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
- memctl->br0 =
- gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
-
+ if (flash_info[0].size > 0) {
+ memctl->or1 = ((-flash_info[0].size) & 0xffff8000) |
+ (CONFIG_SYS_OR1_PRELIM & 0x00007fff);
+ memctl->br1 = gd->bd->bi_flashstart |
+ (CONFIG_SYS_BR1_PRELIM & 0x00007fff);
/*
- * Re-check to get correct base address
+ * Re-check to get correct base address for bank 1
*/
- flash_get_size (gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
+ flash_get_size (gd->bd->bi_flashstart, 0);
+ } else {
+ memctl->or1 = 0;
+ memctl->br1 = 0;
}
/*
- * Check if only one FLASH bank is available
+ * If bank 1 is equipped, bank 0 is mapped after bank 1
*/
- if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
- memctl->or1 = 0;
- memctl->br1 = 0;
+ memctl->or0 = ((-flash_info[1].size) & 0xffff8000) |
+ (CONFIG_SYS_OR0_PRELIM & 0x00007fff);
+ memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) |
+ (CONFIG_SYS_BR0_PRELIM & 0x00007fff);
+ /*
+ * Re-check to get correct base address for bank 0
+ */
+ flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 1);
+
+ /*
+ * Re-do flash protection upon new addresses
+ */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ gd->bd->bi_flashstart, 0xffffffff,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+ /* Monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+ /* Environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+#ifdef CONFIG_ENV_ADDR_REDUND
+ /* Redundant environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_CAN_DRIVER
+/*
+ * Initialize UPMC RAM
+ */
+static void upmc_write (u_char addr, uint val)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ out_be32 (&lbc->mdr, val);
+
+ clrsetbits_be32(&lbc->mcmr, MxMR_MAD_MSK,
+ MxMR_OP_WARR | (addr & MxMR_MAD_MSK));
+
+ /* dummy access to perform write */
+ out_8 ((void __iomem *)CONFIG_SYS_CAN_BASE, 0);
+
+ /* normal operation */
+ clrbits_be32(&lbc->mcmr, MxMR_OP_WARR);
+}
+#endif /* CONFIG_CAN_DRIVER */
+
+uint get_lbc_clock (void)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ sys_info_t sys_info;
+ ulong clkdiv = lbc->lcrr & 0x0f;
+
+ get_sys_info (&sys_info);
+
+ if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
+#ifdef CONFIG_MPC8548
/*
- * Re-do flash protection upon new addresses
+ * Yes, the entire PQ38 family use the same
+ * bit-representation for twice the clock divider value.
*/
- flash_protect (FLAG_PROTECT_CLEAR,
- gd->bd->bi_flashstart, 0xffffffff,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
-
- /* Monitor protection ON by default */
- flash_protect (FLAG_PROTECT_SET,
- CFG_MONITOR_BASE,
- CFG_MONITOR_BASE + monitor_flash_len - 1,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
-
- /* Environment protection ON by default */
- flash_protect (FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
-
- /* Redundant environment protection ON by default */
- flash_protect (FLAG_PROTECT_SET,
- CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+ clkdiv *= 2;
+#endif
+ return sys_info.freqSystemBus / clkdiv;
}
+ puts("Invalid clock divider value in CONFIG_SYS_LBC_LCRR\n");
+
return 0;
}
*/
void local_bus_init (void)
{
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ uint lbc_mhz = get_lbc_clock () / 1000000;
+
+#ifdef CONFIG_MPC8548
+ uint svr = get_svr ();
+ uint lcrr;
- uint clkdiv;
- uint lbc_hz;
- sys_info_t sysinfo;
+ /*
+ * MPC revision < 2.0
+ * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU1:
+ * Modify engineering use only register at address 0xE_0F20.
+ * "1. Read register at offset 0xE_0F20
+ * 2. And value with 0x0000_FFFF
+ * 3. OR result with 0x0000_0004
+ * 4. Write result back to offset 0xE_0F20."
+ *
+ * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU2:
+ * Modify engineering use only register at address 0xE_0F20.
+ * "1. Read register at offset 0xE_0F20
+ * 2. And value with 0xFFFF_FFDF
+ * 3. Write result back to offset 0xE_0F20."
+ *
+ * Since it is the same register, we do the modification in one step.
+ */
+ if (SVR_MAJ (svr) < 2) {
+ uint dummy = gur->lbiuiplldcr1;
+ dummy &= 0x0000FFDF;
+ dummy |= 0x00000004;
+ gur->lbiuiplldcr1 = dummy;
+ }
+
+ lcrr = CONFIG_SYS_LBC_LCRR;
+
+ /*
+ * Local Bus Clock > 83.3 MHz. According to timing
+ * specifications set LCRR[EADC] to 2 delay cycles.
+ */
+ if (lbc_mhz > 83) {
+ lcrr &= ~LCRR_EADC;
+ lcrr |= LCRR_EADC_2;
+ }
+
+ /*
+ * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30
+ * disable PLL bypass for Local Bus Clock > 83 MHz.
+ */
+ if (lbc_mhz >= 66)
+ lcrr &= (~LCRR_DBYP); /* DLL Enabled */
+
+ else
+ lcrr |= LCRR_DBYP; /* DLL Bypass */
+
+ lbc->lcrr = lcrr;
+ asm ("sync;isync;msync");
+
+ /*
+ * According to MPC8548ERMAD Rev.1.3 read back LCRR
+ * and terminate with isync
+ */
+ lcrr = lbc->lcrr;
+ asm ("isync;");
+
+ /* let DLL stabilize */
+ udelay (500);
+
+#else /* !CONFIG_MPC8548 */
/*
* Errata LBC11.
* Between 66 and 133, the DLL is enabled with an override workaround.
*/
- get_sys_info (&sysinfo);
- clkdiv = lbc->lcrr & 0x0f;
- lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+ if (lbc_mhz < 66) {
+ lbc->lcrr = CONFIG_SYS_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */
+ lbc->ltedr = LTEDR_BMD | LTEDR_PARD | LTEDR_WPD | LTEDR_WARA |
+ LTEDR_RAWA | LTEDR_CSD; /* Disable all error checking */
- if (lbc_hz < 66) {
- lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
- lbc->ltedr = 0xa4c80000; /* DK: !!! */
-
- } else if (lbc_hz >= 133) {
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+ } else if (lbc_mhz >= 133) {
+ lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
} else {
/*
lbc->lcrr = 0x10000004;
}
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+ lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
udelay (200);
/*
gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
asm ("sync;isync;msync");
}
+#endif /* !CONFIG_MPC8548 */
+
+#ifdef CONFIG_CAN_DRIVER
+ /*
+ * According to timing specifications EAD must be
+ * set if Local Bus Clock is > 83 MHz.
+ */
+ if (lbc_mhz > 83)
+ out_be32 (&lbc->or2, CONFIG_SYS_OR2_CAN | OR_UPM_EAD);
+ else
+ out_be32 (&lbc->or2, CONFIG_SYS_OR2_CAN);
+ out_be32 (&lbc->br2, CONFIG_SYS_BR2_CAN);
+
+ /* LGPL4 is UPWAIT */
+ out_be32(&lbc->mcmr, MxMR_DSx_3_CYCL | MxMR_GPL_x4DIS | MxMR_WLFx_3X);
+
+ /* Initialize UPMC for CAN: single read */
+ upmc_write (0x00, 0xFFFFED00);
+ upmc_write (0x01, 0xCCFFCC00);
+ upmc_write (0x02, 0x00FFCF00);
+ upmc_write (0x03, 0x00FFCF00);
+ upmc_write (0x04, 0x00FFDC00);
+ upmc_write (0x05, 0x00FFCF00);
+ upmc_write (0x06, 0x00FFED00);
+ upmc_write (0x07, 0x3FFFCC07);
+
+ /* Initialize UPMC for CAN: single write */
+ upmc_write (0x18, 0xFFFFED00);
+ upmc_write (0x19, 0xCCFFEC00);
+ upmc_write (0x1A, 0x00FFED80);
+ upmc_write (0x1B, 0x00FFED80);
+ upmc_write (0x1C, 0x00FFFC00);
+ upmc_write (0x1D, 0x0FFFEC00);
+ upmc_write (0x1E, 0x0FFFEF00);
+ upmc_write (0x1F, 0x3FFFEC05);
+#endif /* CONFIG_CAN_DRIVER */
}
-#if defined(CONFIG_PCI)
/*
* Initialize PCI Devices, report devices found.
*/
+static int first_free_busno;
-#ifndef CONFIG_PCI_PNP
-static struct pci_config_table pci_mpc85xxads_config_table[] = {
- {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
- PCI_IDSEL_NUMBER, PCI_ANY_ID,
- pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
- PCI_ENET0_MEMADDR,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
- {}
-};
-#endif
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+static struct pci_controller pci1_hose;
+#endif /* CONFIG_PCI || CONFIG_PCI1 */
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif /* CONFIG_PCIE1 */
-static struct pci_controller hose = {
-#ifndef CONFIG_PCI_PNP
- config_table:pci_mpc85xxads_config_table,
+static inline void init_pci1(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CONFIG_SYS_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+
+ /* PORDEVSR[15] */
+ uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
+ /* PORDEVSR[14] */
+ uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
+ /* PORPLLSR[16] */
+ uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
+
+ uint pci_agent = (host_agent == 3) || (host_agent == 4 ) ||
+ (host_agent == 6);
+
+ uint pci_speed = CONFIG_SYS_CLK_FREQ; /* PCI PSPEED in [4:5] */
+
+ if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf ("PCI1: %d bit, %s MHz, %s, %s, %s\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333333) ? "33" :
+ (pci_speed == 66666666) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter");
+
+
+ /* inbound */
+ pci_set_region (hose->regions + 0,
+ CONFIG_SYS_PCI_MEMORY_BUS,
+ CONFIG_SYS_PCI_MEMORY_PHYS,
+ CONFIG_SYS_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+
+ /* outbound memory */
+ pci_set_region (hose->regions + 1,
+ CONFIG_SYS_PCI1_MEM_BASE,
+ CONFIG_SYS_PCI1_MEM_PHYS,
+ CONFIG_SYS_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region (hose->regions + 2,
+ CONFIG_SYS_PCI1_IO_BASE,
+ CONFIG_SYS_PCI1_IO_PHYS,
+ CONFIG_SYS_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno = first_free_busno;
+ pci_setup_indirect (hose, (int)&pci->cfg_addr,
+ (int)&pci->cfg_data);
+
+ fsl_pci_init (hose);
+
+ printf (" PCI on bus %02x..%02x\n",
+ hose->first_busno, hose->last_busno);
+
+ first_free_busno = hose->last_busno + 1;
+#ifdef CONFIG_PCIX_CHECK
+ if (!(gur->pordevsr & PORDEVSR_PCI)) {
+ ushort reg16 =
+ PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ |
+ PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+ uint dev = PCI_BDF(hose->first_busno, 0, 0);
+
+ /* PCI-X init */
+ if (CONFIG_SYS_CLK_FREQ < 66000000)
+ puts ("PCI-X will only work at 66 MHz\n");
+
+ pci_hose_write_config_word (hose, dev, PCIX_COMMAND,
+ reg16);
+ }
#endif
-};
+ } else {
+ puts ("PCI1: disabled\n");
+ }
+#else /* !(CONFIG_PCI || CONFIG_PCI1) */
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif /* CONFIG_PCI || CONFIG_PCI1) */
+}
-#endif /* CONFIG_PCI */
+static inline void init_pcie1(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#ifdef CONFIG_PCIE1
+ uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CONFIG_SYS_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 0) || (host_agent == 2 ) ||
+ (host_agent == 3);
+
+ int pcie_configured = io_sel >= 1;
+
+ if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("PCIe: %s, base address %x",
+ pcie_ep ? "End point" : "Root complex", (uint)pci);
+
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (", with errors. Clearing. Now 0x%08x",
+ pci->pme_msg_det);
+ }
+ puts ("\n");
+
+ /* inbound */
+ pci_set_region (hose->regions + 0,
+ CONFIG_SYS_PCI_MEMORY_BUS,
+ CONFIG_SYS_PCI_MEMORY_PHYS,
+ CONFIG_SYS_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region (hose->regions + 1,
+ CONFIG_SYS_PCIE1_MEM_BASE,
+ CONFIG_SYS_PCIE1_MEM_PHYS,
+ CONFIG_SYS_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region (hose->regions + 2,
+ CONFIG_SYS_PCIE1_IO_BASE,
+ CONFIG_SYS_PCIE1_IO_PHYS,
+ CONFIG_SYS_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno = first_free_busno;
+ pci_setup_indirect(hose, (int)&pci->cfg_addr,
+ (int)&pci->cfg_data);
+
+ fsl_pci_init (hose);
+ printf (" PCIe on bus %02x..%02x\n",
+ hose->first_busno, hose->last_busno);
+
+ first_free_busno = hose->last_busno + 1;
+
+ } else {
+ printf ("PCIe: disabled\n");
+ }
+#else /* !CONFIG_PCIE1 */
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif /* CONFIG_PCIE1 */
+}
void pci_init_board (void)
{
-#ifdef CONFIG_PCI
- pci_mpc85xx_init (&hose);
-#endif /* CONFIG_PCI */
+ init_pci1();
+ init_pcie1();
}
+#ifdef CONFIG_OF_BOARD_SETUP
+void ft_board_setup (void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ ft_cpu_setup (blob, bd);
+
+ node = fdt_path_offset (blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+ path = fdt_getprop (blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ do_fixup_by_path (blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif /* CONFIG_PCI || CONFIG_PCI1 */
+#ifdef CONFIG_PCIE1
+ path = fdt_getprop (blob, node, "pci1", NULL);
+ if (path) {
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ do_fixup_by_path (blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif /* CONFIG_PCIE1 */
+ }
+}
+#endif /* CONFIG_OF_BOARD_SETUP */
+
#ifdef CONFIG_BOARD_EARLY_INIT_R
int board_early_init_r (void)
{
return (0);
}
#endif /* CONFIG_BOARD_EARLY_INIT_R */
+
+int board_eth_init(bd_t *bis)
+{
+ cpu_eth_init(bis); /* Intialize TSECs first */
+ return pci_eth_init(bis);
+}
projects / karo-tx-uboot.git / blobdiff