#include <ppc440.h>
#include <libfdt.h>
#include <fdt_support.h>
+#include <i2c.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/4xx_pcie.h>
+#include <asm/gpio.h>
-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
DECLARE_GLOBAL_DATA_PTR;
+#define CONFIG_SYS_BCSR3_PCIE 0x10
+
+#define BOARD_CANYONLANDS_PCIE 1
+#define BOARD_CANYONLANDS_SATA 2
+#define BOARD_GLACIER 3
+#define BOARD_ARCHES 4
+
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+#if defined(CONFIG_ARCHES)
+u32 ddr_wrdtr(u32 default_val) {
+ return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_0_DEG | 0x823);
+}
+#else
+u32 ddr_wrdtr(u32 default_val) {
+ return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_180_DEG_ADV | 0x823);
+}
+
+u32 ddr_clktr(u32 default_val) {
+ return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
+}
+#endif
+
+#if defined(CONFIG_ARCHES)
+/*
+ * FPGA read/write helper macros
+ */
+static inline int board_fpga_read(int offset)
+{
+ int data;
+
+ data = in_8((void *)(CONFIG_SYS_FPGA_BASE + offset));
+
+ return data;
+}
+
+static inline void board_fpga_write(int offset, int data)
+{
+ out_8((void *)(CONFIG_SYS_FPGA_BASE + offset), data);
+}
+
+/*
+ * CPLD read/write helper macros
+ */
+static inline int board_cpld_read(int offset)
+{
+ int data;
+
+ out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset);
+ data = in_8((void *)(CONFIG_SYS_CPLD_DATA));
+
+ return data;
+}
+
+static inline void board_cpld_write(int offset, int data)
+{
+ out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset);
+ out_8((void *)(CONFIG_SYS_CPLD_DATA), data);
+}
+#else
+static int pvr_460ex(void)
+{
+ u32 pvr = get_pvr();
+
+ if ((pvr == PVR_460EX_RA) || (pvr == PVR_460EX_SE_RA) ||
+ (pvr == PVR_460EX_RB))
+ return 1;
+
+ return 0;
+}
+#endif /* defined(CONFIG_ARCHES) */
+
int board_early_init_f(void)
{
+#if !defined(CONFIG_ARCHES)
u32 sdr0_cust0;
+#endif
- /*------------------------------------------------------------------+
+ /*
* Setup the interrupt controller polarities, triggers, etc.
- *------------------------------------------------------------------*/
+ */
mtdcr(uic0sr, 0xffffffff); /* clear all */
mtdcr(uic0er, 0x00000000); /* disable all */
mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
mtdcr(uic3vr, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(uic3sr, 0xffffffff); /* clear all */
+#if !defined(CONFIG_ARCHES)
/* SDR Setting - enable NDFC */
mfsdr(SDR0_CUST0, sdr0_cust0);
sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
SDR0_CUST0_NDFC_BW_8_BIT |
SDR0_CUST0_NDFC_ARE_MASK |
SDR0_CUST0_NDFC_BAC_ENCODE(3) |
- (0x80000000 >> (28 + CFG_NAND_CS));
+ (0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
mtsdr(SDR0_CUST0, sdr0_cust0);
+#endif
/*
* Configure PFC (Pin Function Control) registers
/* Enable PCI host functionality in SDR0_PCI0 */
mtsdr(SDR0_PCI0, 0xe0000000);
+#if !defined(CONFIG_ARCHES)
/* Enable ethernet and take out of reset */
- out_8((void *)CFG_BCSR_BASE + 6, 0);
+ out_8((void *)CONFIG_SYS_BCSR_BASE + 6, 0);
/* Remove NOR-FLASH, NAND-FLASH & EEPROM hardware write protection */
- out_8((void *)CFG_BCSR_BASE + 5, 0);
+ out_8((void *)CONFIG_SYS_BCSR_BASE + 5, 0);
/* Enable USB host & USB-OTG */
- out_8((void *)CFG_BCSR_BASE + 7, 0);
+ out_8((void *)CONFIG_SYS_BCSR_BASE + 7, 0);
mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
+ /* Setup PLB4-AHB bridge based on the system address map */
+ mtdcr(AHB_TOP, 0x8000004B);
+ mtdcr(AHB_BOT, 0x8000004B);
+
+ if (pvr_460ex()) {
+ /*
+ * Configure USB-STP pins as alternate and not GPIO
+ * It seems to be neccessary to configure the STP pins as GPIO
+ * input at powerup (perhaps while USB reset is asserted). So
+ * we configure those pins to their "real" function now.
+ */
+ gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+ gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+ }
+#endif
+
return 0;
}
-int checkboard (void)
+#if !defined(CONFIG_ARCHES)
+static void canyonlands_sata_init(int board_type)
+{
+ u32 reg;
+
+ if (board_type == BOARD_CANYONLANDS_SATA) {
+ /* Put SATA in reset */
+ SDR_WRITE(SDR0_SRST1, 0x00020001);
+
+ /* Set the phy for SATA, not PCI-E port 0 */
+ reg = SDR_READ(PESDR0_PHY_CTL_RST);
+ SDR_WRITE(PESDR0_PHY_CTL_RST, (reg & 0xeffffffc) | 0x00000001);
+ reg = SDR_READ(PESDR0_L0CLK);
+ SDR_WRITE(PESDR0_L0CLK, (reg & 0xfffffff8) | 0x00000007);
+ SDR_WRITE(PESDR0_L0CDRCTL, 0x00003111);
+ SDR_WRITE(PESDR0_L0DRV, 0x00000104);
+
+ /* Bring SATA out of reset */
+ SDR_WRITE(SDR0_SRST1, 0x00000000);
+ }
+}
+#endif /* !defined(CONFIG_ARCHES) */
+
+int get_cpu_num(void)
+{
+ int cpu = NA_OR_UNKNOWN_CPU;
+
+#if defined(CONFIG_ARCHES)
+ int cpu_num;
+
+ cpu_num = board_fpga_read(0x3);
+
+ /* sanity check; assume cpu numbering starts and increments from 0 */
+ if ((cpu_num >= 0) && (cpu_num < CONFIG_BD_NUM_CPUS))
+ cpu = cpu_num;
+#endif
+
+ return cpu;
+}
+
+#if !defined(CONFIG_ARCHES)
+int checkboard(void)
{
char *s = getenv("serial#");
- u32 pvr = get_pvr();
- if ((pvr == PVR_460GT_RA) || (pvr == PVR_460GT_SE_RA))
- printf("Board: Glacier - AMCC PPC460GT Evaluation Board");
- else
+ if (pvr_460ex()) {
printf("Board: Canyonlands - AMCC PPC460EX Evaluation Board");
+ if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 3)) & CONFIG_SYS_BCSR3_PCIE)
+ gd->board_type = BOARD_CANYONLANDS_PCIE;
+ else
+ gd->board_type = BOARD_CANYONLANDS_SATA;
+ } else {
+ printf("Board: Glacier - AMCC PPC460GT Evaluation Board");
+ gd->board_type = BOARD_GLACIER;
+ }
+
+ switch (gd->board_type) {
+ case BOARD_CANYONLANDS_PCIE:
+ case BOARD_GLACIER:
+ puts(", 2*PCIe");
+ break;
+
+ case BOARD_CANYONLANDS_SATA:
+ puts(", 1*PCIe/1*SATA");
+ break;
+ }
+
+ printf(", Rev. %X", in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)));
if (s != NULL) {
puts(", serial# ");
}
putc('\n');
- return (0);
-}
+ canyonlands_sata_init(gd->board_type);
-/*
- * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
- * board specific values.
- */
-u32 ddr_wrdtr(u32 default_val) {
- return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_180_DEG_ADV | 0x823);
+ return (0);
}
-u32 ddr_clktr(u32 default_val) {
- return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
-}
+#else /* defined(CONFIG_ARCHES) */
-#if defined(CFG_DRAM_TEST)
-int testdram(void)
+int checkboard(void)
{
- unsigned long *mem = (unsigned long *)0;
- const unsigned long kend = (1024 / sizeof(unsigned long));
- unsigned long k, n;
+ char *s = getenv("serial#");
- mtmsr(0);
+ printf("Board: Arches - AMCC DUAL PPC460GT Reference Design\n");
+ printf(" Revision %02x.%02x ",
+ board_fpga_read(0x0), board_fpga_read(0x1));
- for (k = 0; k < CFG_KBYTES_SDRAM;
- ++k, mem += (1024 / sizeof(unsigned long))) {
- if ((k & 1023) == 0) {
- printf("%3d MB\r", k / 1024);
- }
+ gd->board_type = BOARD_ARCHES;
- memset(mem, 0xaaaaaaaa, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0xaaaaaaaa) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
+ /* Only CPU0 has access to CPLD registers */
+ if (get_cpu_num() == 0) {
+ u8 cfg_sw = board_cpld_read(0x1);
+ printf("(FPGA=%02x, CPLD=%02x)\n",
+ board_fpga_read(0x2), board_cpld_read(0x0));
+ printf(" Configuration Switch %d%d%d%d\n",
+ ((cfg_sw >> 3) & 0x01),
+ ((cfg_sw >> 2) & 0x01),
+ ((cfg_sw >> 1) & 0x01),
+ ((cfg_sw >> 0) & 0x01));
+ } else
+ printf("(FPGA=%02x, CPLD=xx)\n", board_fpga_read(0x2));
+
+
+ if (s != NULL)
+ printf(" Serial# %s\n", s);
- memset(mem, 0x55555555, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0x55555555) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
- }
- printf("SDRAM test passes\n");
return 0;
}
+#endif /* !defined(CONFIG_ARCHES) */
+
+#if defined(CONFIG_NAND_U_BOOT)
+/*
+ * NAND booting U-Boot version uses a fixed initialization, since the whole
+ * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot
+ * code.
+ */
+phys_size_t initdram(int board_type)
+{
+ return CONFIG_SYS_MBYTES_SDRAM << 20;
+}
#endif
-/*************************************************************************
+/*
* pci_target_init
*
* The bootstrap configuration provides default settings for the pci
* inbound map (PIM). But the bootstrap config choices are limited and
* may not be sufficient for a given board.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+ */
+#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
void pci_target_init(struct pci_controller * hose )
{
- /*-------------------------------------------------------------------+
+ /*
* Disable everything
- *-------------------------------------------------------------------*/
+ */
out_le32((void *)PCIX0_PIM0SA, 0); /* disable */
out_le32((void *)PCIX0_PIM1SA, 0); /* disable */
out_le32((void *)PCIX0_PIM2SA, 0); /* disable */
out_le32((void *)PCIX0_EROMBA, 0); /* disable expansion rom */
- /*-------------------------------------------------------------------+
+ /*
* Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
* strapping options to not support sizes such as 128/256 MB.
- *-------------------------------------------------------------------*/
- out_le32((void *)PCIX0_PIM0LAL, CFG_SDRAM_BASE);
+ */
+ out_le32((void *)PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
out_le32((void *)PCIX0_PIM0LAH, 0);
out_le32((void *)PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
out_le32((void *)PCIX0_BAR0, 0);
- /*-------------------------------------------------------------------+
+ /*
* Program the board's subsystem id/vendor id
- *-------------------------------------------------------------------*/
- out_le16((void *)PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID);
- out_le16((void *)PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID);
+ */
+ out_le16((void *)PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
+ out_le16((void *)PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
out_le16((void *)PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY);
}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
#if defined(CONFIG_PCI)
/*
int ret = 0;
char *env;
unsigned int delay;
+ int start;
/*
* assume we're called after the PCIX hose is initialized, which takes
* bus ID 0 and therefore start numbering PCIe's from 1.
*/
bus = busno;
- for (i = 0; i <= 1; i++) {
+
+ /*
+ * Canyonlands with SATA enabled has only one PCIe slot
+ * (2nd one).
+ */
+ if (gd->board_type == BOARD_CANYONLANDS_SATA)
+ start = 1;
+ else
+ start = 0;
+
+ for (i = start; i <= 1; i++) {
if (is_end_point(i))
ret = ppc4xx_init_pcie_endport(i);
/* 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,
+ CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
+ CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
+ CONFIG_SYS_PCIE_MEMSIZE,
PCI_REGION_MEM);
hose->region_count = 1;
pci_register_hose(hose);
* EBC address which accepts bigger regions:
*
* 0xfc00.0000 -> 4.cc00.0000
- *
- * For this we have to remap the CS0 and re-relocate the envrironment,
- * since the original FLASH location which was needed upon startup is
- * now not correct anymore.
*/
/* Remap the NOR FLASH to 0xcc00.0000 ... 0xcfff.ffff */
- mtebc(pb0cr, CFG_FLASH_BASE_PHYS_L | 0xda000);
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ mtebc(pb3cr, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
+#else
+ mtebc(pb0cr, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
+#endif
/* Remove TLB entry of boot EBC mapping */
- remove_tlb(CFG_BOOT_BASE_ADDR, 16 << 20);
+ remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
/* Add TLB entry for 0xfc00.0000 -> 0x4.cc00.0000 */
- program_tlb(CFG_FLASH_BASE_PHYS, CFG_FLASH_BASE, CFG_FLASH_SIZE,
+ program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE,
TLB_WORD2_I_ENABLE);
/*
* 0xfc00.0000 is possible
*/
+ /*
+ * Clear potential errors resulting from auto-calibration.
+ * If not done, then we could get an interrupt later on when
+ * exceptions are enabled.
+ */
+ set_mcsr(get_mcsr());
+
return 0;
}
+#if !defined(CONFIG_ARCHES)
int misc_init_r(void)
{
u32 sdr0_srst1 = 0;
u32 eth_cfg;
+ u8 val;
/*
* Set EMAC mode/configuration (GMII, SGMII, RGMII...).
/* Set the for 2 RGMII mode */
/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
- eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
+ if (pvr_460ex())
+ eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
+ else
+ eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
mtsdr(SDR0_ETH_CFG, eth_cfg);
/*
sdr0_srst1 &= ~SDR0_SRST1_AHB;
mtsdr(SDR0_SRST1, sdr0_srst1);
+ /*
+ * RTC/M41T62:
+ * Disable square wave output: Batterie will be drained
+ * quickly, when this output is not disabled
+ */
+ val = i2c_reg_read(CONFIG_SYS_I2C_RTC_ADDR, 0xa);
+ val &= ~0x40;
+ i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0xa, val);
+
+ return 0;
+}
+
+#else /* defined(CONFIG_ARCHES) */
+
+int misc_init_r(void)
+{
+ u32 eth_cfg = 0;
+ u32 eth_pll;
+ u32 reg;
+
+ /*
+ * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
+ * This is board specific, so let's do it here.
+ */
+
+ /* enable SGMII mode */
+ eth_cfg |= (SDR0_ETH_CFG_SGMII0_ENABLE |
+ SDR0_ETH_CFG_SGMII1_ENABLE |
+ SDR0_ETH_CFG_SGMII2_ENABLE);
+
+ /* Set EMAC for MDIO */
+ eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
+
+ /* bypass the TAHOE0/TAHOE1 cores for U-Boot */
+ eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
+
+ mtsdr(SDR0_ETH_CFG, eth_cfg);
+
+ /* reset all SGMII interfaces */
+ mfsdr(SDR0_SRST1, reg);
+ reg |= (SDR0_SRST1_SGMII0 | SDR0_SRST1_SGMII1 | SDR0_SRST1_SGMII2);
+ mtsdr(SDR0_SRST1, reg);
+ mtsdr(SDR0_ETH_STS, 0xFFFFFFFF);
+ mtsdr(SDR0_SRST1, 0x00000000);
+
+ do {
+ mfsdr(SDR0_ETH_PLL, eth_pll);
+ } while (!(eth_pll & SDR0_ETH_PLL_PLLLOCK));
+
return 0;
}
+#endif /* !defined(CONFIG_ARCHES) */
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+extern void __ft_board_setup(void *blob, bd_t *bd);
+
void ft_board_setup(void *blob, bd_t *bd)
{
- u32 val[4];
- int rc;
-
- ft_cpu_setup(blob, bd);
-
- /* Fixup NOR mapping */
- val[0] = 0; /* chip select number */
- val[1] = 0; /* always 0 */
- val[2] = gd->bd->bi_flashstart;
- val[3] = gd->bd->bi_flashsize;
- rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
- val, sizeof(val), 1);
- if (rc)
- printf("Unable to update property NOR mapping, err=%s\n",
- fdt_strerror(rc));
+ __ft_board_setup(blob, bd);
+
+ if (gd->board_type == BOARD_CANYONLANDS_SATA) {
+ /*
+ * When SATA is selected we need to disable the first PCIe
+ * node in the device tree, so that Linux doesn't initialize
+ * it.
+ */
+ fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
+ "disabled", sizeof("disabled"), 1);
+ }
+
+ if (gd->board_type == BOARD_CANYONLANDS_PCIE) {
+ /*
+ * When PCIe is selected we need to disable the SATA
+ * node in the device tree, so that Linux doesn't initialize
+ * it.
+ */
+ fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
+ "disabled", sizeof("disabled"), 1);
+ }
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
projects / karo-tx-uboot.git / blobdiff