3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #include <asm/ppc440.h>
24 #include <fdt_support.h>
26 #include <asm/processor.h>
29 #include <asm/4xx_pcie.h>
30 #include <asm/ppc4xx-gpio.h>
31 #include <asm/errno.h>
33 extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
35 DECLARE_GLOBAL_DATA_PTR;
49 #define BOARD_CANYONLANDS_PCIE 1
50 #define BOARD_CANYONLANDS_SATA 2
51 #define BOARD_GLACIER 3
52 #define BOARD_ARCHES 4
55 * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with
56 * board specific values.
58 #if defined(CONFIG_ARCHES)
59 u32 ddr_wrdtr(u32 default_val) {
60 return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_0_DEG | 0x823);
63 u32 ddr_wrdtr(u32 default_val) {
64 return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_180_DEG_ADV | 0x823);
67 u32 ddr_clktr(u32 default_val) {
68 return (SDRAM_CLKTR_CLKP_90_DEG_ADV);
72 #if defined(CONFIG_ARCHES)
74 * FPGA read/write helper macros
76 static inline int board_fpga_read(int offset)
80 data = in_8((void *)(CONFIG_SYS_FPGA_BASE + offset));
85 static inline void board_fpga_write(int offset, int data)
87 out_8((void *)(CONFIG_SYS_FPGA_BASE + offset), data);
91 * CPLD read/write helper macros
93 static inline int board_cpld_read(int offset)
97 out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset);
98 data = in_8((void *)(CONFIG_SYS_CPLD_DATA));
103 static inline void board_cpld_write(int offset, int data)
105 out_8((void *)(CONFIG_SYS_CPLD_ADDR), offset);
106 out_8((void *)(CONFIG_SYS_CPLD_DATA), data);
109 static int pvr_460ex(void)
113 if ((pvr == PVR_460EX_RA) || (pvr == PVR_460EX_SE_RA) ||
114 (pvr == PVR_460EX_RB))
119 #endif /* defined(CONFIG_ARCHES) */
121 int board_early_init_f(void)
123 #if !defined(CONFIG_ARCHES)
125 struct board_bcsr *bcsr_data =
126 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
131 * Setup the interrupt controller polarities, triggers, etc.
133 mtdcr(UIC0SR, 0xffffffff); /* clear all */
134 mtdcr(UIC0ER, 0x00000000); /* disable all */
135 mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
136 mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
137 mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
138 mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
139 mtdcr(UIC0SR, 0xffffffff); /* clear all */
141 mtdcr(UIC1SR, 0xffffffff); /* clear all */
142 mtdcr(UIC1ER, 0x00000000); /* disable all */
143 mtdcr(UIC1CR, 0x00000000); /* all non-critical */
144 mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
145 mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
146 mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
147 mtdcr(UIC1SR, 0xffffffff); /* clear all */
149 mtdcr(UIC2SR, 0xffffffff); /* clear all */
150 mtdcr(UIC2ER, 0x00000000); /* disable all */
151 mtdcr(UIC2CR, 0x00000000); /* all non-critical */
152 mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
153 mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
154 mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
155 mtdcr(UIC2SR, 0xffffffff); /* clear all */
157 mtdcr(UIC3SR, 0xffffffff); /* clear all */
158 mtdcr(UIC3ER, 0x00000000); /* disable all */
159 mtdcr(UIC3CR, 0x00000000); /* all non-critical */
160 mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
161 mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
162 mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
163 mtdcr(UIC3SR, 0xffffffff); /* clear all */
165 #if !defined(CONFIG_ARCHES)
166 /* SDR Setting - enable NDFC */
167 mfsdr(SDR0_CUST0, sdr0_cust0);
168 sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
169 SDR0_CUST0_NDFC_ENABLE |
170 SDR0_CUST0_NDFC_BW_8_BIT |
171 SDR0_CUST0_NDFC_ARE_MASK |
172 SDR0_CUST0_NDFC_BAC_ENCODE(3) |
173 (0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
174 mtsdr(SDR0_CUST0, sdr0_cust0);
178 * Configure PFC (Pin Function Control) registers
181 mtsdr(SDR0_PFC1, 0x00040000);
183 /* Enable PCI host functionality in SDR0_PCI0 */
184 mtsdr(SDR0_PCI0, 0xe0000000);
186 #if !defined(CONFIG_ARCHES)
187 /* Enable ethernet and take out of reset */
188 out_8(&bcsr_data->eth_ctrl, 0) ;
190 /* Remove NOR-FLASH, NAND-FLASH & EEPROM hardware write protection */
191 out_8(&bcsr_data->flash_ctrl, 0) ;
192 mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
194 /* Setup PLB4-AHB bridge based on the system address map */
195 mtdcr(AHB_TOP, 0x8000004B);
196 mtdcr(AHB_BOT, 0x8000004B);
200 * Configure USB-STP pins as alternate and not GPIO
201 * It seems to be neccessary to configure the STP pins as GPIO
202 * input at powerup (perhaps while USB reset is asserted). So
203 * we configure those pins to their "real" function now.
205 gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
206 gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
213 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
214 int usb_board_init(void)
216 struct board_bcsr *bcsr_data =
217 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
220 /* Enable USB host & USB-OTG */
221 val = in_8(&bcsr_data->usb_ctrl);
222 val &= ~(BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
223 out_8(&bcsr_data->usb_ctrl, val);
228 int usb_board_stop(void)
230 struct board_bcsr *bcsr_data =
231 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
234 /* Disable USB host & USB-OTG */
235 val = in_8(&bcsr_data->usb_ctrl);
236 val |= (BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
237 out_8(&bcsr_data->usb_ctrl, val);
242 int usb_board_init_fail(void)
244 return usb_board_stop();
246 #endif /* CONFIG_USB_OHCI_NEW && CONFIG_SYS_USB_OHCI_BOARD_INIT */
248 #if !defined(CONFIG_ARCHES)
249 static void canyonlands_sata_init(int board_type)
253 if (board_type == BOARD_CANYONLANDS_SATA) {
254 /* Put SATA in reset */
255 SDR_WRITE(SDR0_SRST1, 0x00020001);
257 /* Set the phy for SATA, not PCI-E port 0 */
258 reg = SDR_READ(PESDR0_PHY_CTL_RST);
259 SDR_WRITE(PESDR0_PHY_CTL_RST, (reg & 0xeffffffc) | 0x00000001);
260 reg = SDR_READ(PESDR0_L0CLK);
261 SDR_WRITE(PESDR0_L0CLK, (reg & 0xfffffff8) | 0x00000007);
262 SDR_WRITE(PESDR0_L0CDRCTL, 0x00003111);
263 SDR_WRITE(PESDR0_L0DRV, 0x00000104);
265 /* Bring SATA out of reset */
266 SDR_WRITE(SDR0_SRST1, 0x00000000);
269 #endif /* !defined(CONFIG_ARCHES) */
271 int get_cpu_num(void)
273 int cpu = NA_OR_UNKNOWN_CPU;
275 #if defined(CONFIG_ARCHES)
278 cpu_num = board_fpga_read(0x3);
280 /* sanity check; assume cpu numbering starts and increments from 0 */
281 if ((cpu_num >= 0) && (cpu_num < CONFIG_BD_NUM_CPUS))
288 #if !defined(CONFIG_ARCHES)
291 struct board_bcsr *bcsr_data =
292 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
293 char *s = getenv("serial#");
296 printf("Board: Canyonlands - AMCC PPC460EX Evaluation Board");
297 if (in_8(&bcsr_data->board_status) & BCSR_SELECT_PCIE)
298 gd->board_type = BOARD_CANYONLANDS_PCIE;
300 gd->board_type = BOARD_CANYONLANDS_SATA;
302 printf("Board: Glacier - AMCC PPC460GT Evaluation Board");
303 gd->board_type = BOARD_GLACIER;
306 switch (gd->board_type) {
307 case BOARD_CANYONLANDS_PCIE:
312 case BOARD_CANYONLANDS_SATA:
313 puts(", 1*PCIe/1*SATA");
317 printf(", Rev. %X", in_8(&bcsr_data->cpld_rev));
325 canyonlands_sata_init(gd->board_type);
330 #else /* defined(CONFIG_ARCHES) */
334 char *s = getenv("serial#");
336 printf("Board: Arches - AMCC DUAL PPC460GT Reference Design\n");
337 printf(" Revision %02x.%02x ",
338 board_fpga_read(0x0), board_fpga_read(0x1));
340 gd->board_type = BOARD_ARCHES;
342 /* Only CPU0 has access to CPLD registers */
343 if (get_cpu_num() == 0) {
344 u8 cfg_sw = board_cpld_read(0x1);
345 printf("(FPGA=%02x, CPLD=%02x)\n",
346 board_fpga_read(0x2), board_cpld_read(0x0));
347 printf(" Configuration Switch %d%d%d%d\n",
348 ((cfg_sw >> 3) & 0x01),
349 ((cfg_sw >> 2) & 0x01),
350 ((cfg_sw >> 1) & 0x01),
351 ((cfg_sw >> 0) & 0x01));
353 printf("(FPGA=%02x, CPLD=xx)\n", board_fpga_read(0x2));
357 printf(" Serial# %s\n", s);
361 #endif /* !defined(CONFIG_ARCHES) */
363 #if defined(CONFIG_NAND_U_BOOT)
365 * NAND booting U-Boot version uses a fixed initialization, since the whole
366 * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot
369 phys_size_t initdram(int board_type)
371 return CONFIG_SYS_MBYTES_SDRAM << 20;
375 #if defined(CONFIG_PCI)
376 int board_pcie_first(void)
379 * Canyonlands with SATA enabled has only one PCIe slot
382 if (gd->board_type == BOARD_CANYONLANDS_SATA)
387 #endif /* CONFIG_PCI */
389 int board_early_init_r (void)
392 * Canyonlands has 64MBytes of NOR FLASH (Spansion 29GL512), but the
393 * boot EBC mapping only supports a maximum of 16MBytes
394 * (4.ff00.0000 - 4.ffff.ffff).
395 * To solve this problem, the FLASH has to get remapped to another
396 * EBC address which accepts bigger regions:
398 * 0xfc00.0000 -> 4.cc00.0000
401 /* Remap the NOR FLASH to 0xcc00.0000 ... 0xcfff.ffff */
402 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
403 mtebc(PB3CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
405 mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
408 /* Remove TLB entry of boot EBC mapping */
409 remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
411 /* Add TLB entry for 0xfc00.0000 -> 0x4.cc00.0000 */
412 program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE,
416 * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address
417 * 0xfc00.0000 is possible
421 * Clear potential errors resulting from auto-calibration.
422 * If not done, then we could get an interrupt later on when
423 * exceptions are enabled.
425 set_mcsr(get_mcsr());
430 #if !defined(CONFIG_ARCHES)
431 int misc_init_r(void)
438 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
439 * This is board specific, so let's do it here.
441 mfsdr(SDR0_ETH_CFG, eth_cfg);
442 /* disable SGMII mode */
443 eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
444 SDR0_ETH_CFG_SGMII1_ENABLE |
445 SDR0_ETH_CFG_SGMII0_ENABLE);
446 /* Set the for 2 RGMII mode */
447 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
448 eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
450 eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
452 eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
453 mtsdr(SDR0_ETH_CFG, eth_cfg);
456 * The AHB Bridge core is held in reset after power-on or reset
459 mfsdr(SDR0_SRST1, sdr0_srst1);
460 sdr0_srst1 &= ~SDR0_SRST1_AHB;
461 mtsdr(SDR0_SRST1, sdr0_srst1);
465 * Disable square wave output: Batterie will be drained
466 * quickly, when this output is not disabled
468 val = i2c_reg_read(CONFIG_SYS_I2C_RTC_ADDR, 0xa);
470 i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0xa, val);
475 #else /* defined(CONFIG_ARCHES) */
477 int misc_init_r(void)
484 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
485 * This is board specific, so let's do it here.
488 /* enable SGMII mode */
489 eth_cfg |= (SDR0_ETH_CFG_SGMII0_ENABLE |
490 SDR0_ETH_CFG_SGMII1_ENABLE |
491 SDR0_ETH_CFG_SGMII2_ENABLE);
493 /* Set EMAC for MDIO */
494 eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
496 /* bypass the TAHOE0/TAHOE1 cores for U-Boot */
497 eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
499 mtsdr(SDR0_ETH_CFG, eth_cfg);
501 /* reset all SGMII interfaces */
502 mfsdr(SDR0_SRST1, reg);
503 reg |= (SDR0_SRST1_SGMII0 | SDR0_SRST1_SGMII1 | SDR0_SRST1_SGMII2);
504 mtsdr(SDR0_SRST1, reg);
505 mtsdr(SDR0_ETH_STS, 0xFFFFFFFF);
506 mtsdr(SDR0_SRST1, 0x00000000);
509 mfsdr(SDR0_ETH_PLL, eth_pll);
510 } while (!(eth_pll & SDR0_ETH_PLL_PLLLOCK));
514 #endif /* !defined(CONFIG_ARCHES) */
516 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
517 extern void __ft_board_setup(void *blob, bd_t *bd);
519 void ft_board_setup(void *blob, bd_t *bd)
521 __ft_board_setup(blob, bd);
523 if (gd->board_type == BOARD_CANYONLANDS_SATA) {
525 * When SATA is selected we need to disable the first PCIe
526 * node in the device tree, so that Linux doesn't initialize
529 fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
530 "disabled", sizeof("disabled"), 1);
533 if (gd->board_type == BOARD_CANYONLANDS_PCIE) {
535 * When PCIe is selected we need to disable the SATA
536 * node in the device tree, so that Linux doesn't initialize
539 fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
540 "disabled", sizeof("disabled"), 1);
543 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */