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);
203 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
204 int usb_board_init(void)
206 struct board_bcsr *bcsr_data =
207 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
210 /* Enable USB host & USB-OTG */
211 val = in_8(&bcsr_data->usb_ctrl);
212 val &= ~(BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
213 out_8(&bcsr_data->usb_ctrl, val);
216 * Configure USB-STP pins as alternate and not GPIO
217 * It seems to be neccessary to configure the STP pins as GPIO
218 * input at powerup (perhaps while USB reset is asserted). So
219 * we configure those pins to their "real" function now.
221 gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
222 gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
227 int usb_board_stop(void)
229 struct board_bcsr *bcsr_data =
230 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
233 /* Disable USB host & USB-OTG */
234 val = in_8(&bcsr_data->usb_ctrl);
235 val |= (BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
236 out_8(&bcsr_data->usb_ctrl, val);
238 /* Reconfigure USB-STP pins as input */
239 gpio_config(16, GPIO_IN , GPIO_SEL, GPIO_OUT_0);
240 gpio_config(19, GPIO_IN , GPIO_SEL, GPIO_OUT_0);
245 int usb_board_init_fail(void)
247 return usb_board_stop();
249 #endif /* CONFIG_USB_OHCI_NEW && CONFIG_SYS_USB_OHCI_BOARD_INIT */
251 #if !defined(CONFIG_ARCHES)
252 static void canyonlands_sata_init(int board_type)
256 if (board_type == BOARD_CANYONLANDS_SATA) {
257 /* Put SATA in reset */
258 SDR_WRITE(SDR0_SRST1, 0x00020001);
260 /* Set the phy for SATA, not PCI-E port 0 */
261 reg = SDR_READ(PESDR0_PHY_CTL_RST);
262 SDR_WRITE(PESDR0_PHY_CTL_RST, (reg & 0xeffffffc) | 0x00000001);
263 reg = SDR_READ(PESDR0_L0CLK);
264 SDR_WRITE(PESDR0_L0CLK, (reg & 0xfffffff8) | 0x00000007);
265 SDR_WRITE(PESDR0_L0CDRCTL, 0x00003111);
266 SDR_WRITE(PESDR0_L0DRV, 0x00000104);
268 /* Bring SATA out of reset */
269 SDR_WRITE(SDR0_SRST1, 0x00000000);
272 #endif /* !defined(CONFIG_ARCHES) */
274 int get_cpu_num(void)
276 int cpu = NA_OR_UNKNOWN_CPU;
278 #if defined(CONFIG_ARCHES)
281 cpu_num = board_fpga_read(0x3);
283 /* sanity check; assume cpu numbering starts and increments from 0 */
284 if ((cpu_num >= 0) && (cpu_num < CONFIG_BD_NUM_CPUS))
291 #if !defined(CONFIG_ARCHES)
294 struct board_bcsr *bcsr_data =
295 (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
296 char *s = getenv("serial#");
299 printf("Board: Canyonlands - AMCC PPC460EX Evaluation Board");
300 if (in_8(&bcsr_data->board_status) & BCSR_SELECT_PCIE)
301 gd->board_type = BOARD_CANYONLANDS_PCIE;
303 gd->board_type = BOARD_CANYONLANDS_SATA;
305 printf("Board: Glacier - AMCC PPC460GT Evaluation Board");
306 gd->board_type = BOARD_GLACIER;
309 switch (gd->board_type) {
310 case BOARD_CANYONLANDS_PCIE:
315 case BOARD_CANYONLANDS_SATA:
316 puts(", 1*PCIe/1*SATA");
320 printf(", Rev. %X", in_8(&bcsr_data->cpld_rev));
328 canyonlands_sata_init(gd->board_type);
333 #else /* defined(CONFIG_ARCHES) */
337 char *s = getenv("serial#");
339 printf("Board: Arches - AMCC DUAL PPC460GT Reference Design\n");
340 printf(" Revision %02x.%02x ",
341 board_fpga_read(0x0), board_fpga_read(0x1));
343 gd->board_type = BOARD_ARCHES;
345 /* Only CPU0 has access to CPLD registers */
346 if (get_cpu_num() == 0) {
347 u8 cfg_sw = board_cpld_read(0x1);
348 printf("(FPGA=%02x, CPLD=%02x)\n",
349 board_fpga_read(0x2), board_cpld_read(0x0));
350 printf(" Configuration Switch %d%d%d%d\n",
351 ((cfg_sw >> 3) & 0x01),
352 ((cfg_sw >> 2) & 0x01),
353 ((cfg_sw >> 1) & 0x01),
354 ((cfg_sw >> 0) & 0x01));
356 printf("(FPGA=%02x, CPLD=xx)\n", board_fpga_read(0x2));
360 printf(" Serial# %s\n", s);
364 #endif /* !defined(CONFIG_ARCHES) */
366 #if defined(CONFIG_NAND_U_BOOT)
368 * NAND booting U-Boot version uses a fixed initialization, since the whole
369 * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot
372 phys_size_t initdram(int board_type)
374 return CONFIG_SYS_MBYTES_SDRAM << 20;
378 #if defined(CONFIG_PCI)
379 int board_pcie_first(void)
382 * Canyonlands with SATA enabled has only one PCIe slot
385 if (gd->board_type == BOARD_CANYONLANDS_SATA)
390 #endif /* CONFIG_PCI */
392 int board_early_init_r (void)
395 * Canyonlands has 64MBytes of NOR FLASH (Spansion 29GL512), but the
396 * boot EBC mapping only supports a maximum of 16MBytes
397 * (4.ff00.0000 - 4.ffff.ffff).
398 * To solve this problem, the FLASH has to get remapped to another
399 * EBC address which accepts bigger regions:
401 * 0xfc00.0000 -> 4.cc00.0000
404 /* Remap the NOR FLASH to 0xcc00.0000 ... 0xcfff.ffff */
405 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
406 mtebc(PB3CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
408 mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000);
411 /* Remove TLB entry of boot EBC mapping */
412 remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
414 /* Add TLB entry for 0xfc00.0000 -> 0x4.cc00.0000 */
415 program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE,
419 * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address
420 * 0xfc00.0000 is possible
424 * Clear potential errors resulting from auto-calibration.
425 * If not done, then we could get an interrupt later on when
426 * exceptions are enabled.
428 set_mcsr(get_mcsr());
433 #if !defined(CONFIG_ARCHES)
434 int misc_init_r(void)
441 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
442 * This is board specific, so let's do it here.
444 mfsdr(SDR0_ETH_CFG, eth_cfg);
445 /* disable SGMII mode */
446 eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
447 SDR0_ETH_CFG_SGMII1_ENABLE |
448 SDR0_ETH_CFG_SGMII0_ENABLE);
449 /* Set the for 2 RGMII mode */
450 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
451 eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
453 eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
455 eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
456 mtsdr(SDR0_ETH_CFG, eth_cfg);
459 * The AHB Bridge core is held in reset after power-on or reset
462 mfsdr(SDR0_SRST1, sdr0_srst1);
463 sdr0_srst1 &= ~SDR0_SRST1_AHB;
464 mtsdr(SDR0_SRST1, sdr0_srst1);
468 * Disable square wave output: Batterie will be drained
469 * quickly, when this output is not disabled
471 val = i2c_reg_read(CONFIG_SYS_I2C_RTC_ADDR, 0xa);
473 i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0xa, val);
478 #else /* defined(CONFIG_ARCHES) */
480 int misc_init_r(void)
487 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
488 * This is board specific, so let's do it here.
491 /* enable SGMII mode */
492 eth_cfg |= (SDR0_ETH_CFG_SGMII0_ENABLE |
493 SDR0_ETH_CFG_SGMII1_ENABLE |
494 SDR0_ETH_CFG_SGMII2_ENABLE);
496 /* Set EMAC for MDIO */
497 eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
499 /* bypass the TAHOE0/TAHOE1 cores for U-Boot */
500 eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
502 mtsdr(SDR0_ETH_CFG, eth_cfg);
504 /* reset all SGMII interfaces */
505 mfsdr(SDR0_SRST1, reg);
506 reg |= (SDR0_SRST1_SGMII0 | SDR0_SRST1_SGMII1 | SDR0_SRST1_SGMII2);
507 mtsdr(SDR0_SRST1, reg);
508 mtsdr(SDR0_ETH_STS, 0xFFFFFFFF);
509 mtsdr(SDR0_SRST1, 0x00000000);
512 mfsdr(SDR0_ETH_PLL, eth_pll);
513 } while (!(eth_pll & SDR0_ETH_PLL_PLLLOCK));
517 #endif /* !defined(CONFIG_ARCHES) */
519 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
520 extern void __ft_board_setup(void *blob, bd_t *bd);
522 void ft_board_setup(void *blob, bd_t *bd)
524 __ft_board_setup(blob, bd);
526 if (gd->board_type == BOARD_CANYONLANDS_SATA) {
528 * When SATA is selected we need to disable the first PCIe
529 * node in the device tree, so that Linux doesn't initialize
532 fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
533 "disabled", sizeof("disabled"), 1);
536 if (gd->board_type == BOARD_CANYONLANDS_PCIE) {
538 * When PCIe is selected we need to disable the SATA
539 * node in the device tree, so that Linux doesn't initialize
542 fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
543 "disabled", sizeof("disabled"), 1);
546 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */