3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
5 * Based on board/amcc/canyonlands/canyonlands.c
7 * Stefan Roese, DENX Software Engineering, sr@denx.de.
9 * SPDX-License-Identifier: GPL-2.0+
13 #include <asm/ppc440.h>
15 #include <fdt_support.h>
17 #include <asm/processor.h>
20 #include <asm/4xx_pcie.h>
21 #include <asm/ppc4xx-gpio.h>
23 extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
25 DECLARE_GLOBAL_DATA_PTR;
27 #define CONFIG_SYS_BCSR3_PCIE 0x10
29 int board_early_init_f(void)
32 * Setup the interrupt controller polarities, triggers, etc.
34 mtdcr(UIC0SR, 0xffffffff); /* clear all */
35 mtdcr(UIC0ER, 0x00000000); /* disable all */
36 mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
37 mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
38 mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
39 mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
40 mtdcr(UIC0SR, 0xffffffff); /* clear all */
42 mtdcr(UIC1SR, 0xffffffff); /* clear all */
43 mtdcr(UIC1ER, 0x00000000); /* disable all */
44 mtdcr(UIC1CR, 0x00000000); /* all non-critical */
45 mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
46 mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
47 mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
48 mtdcr(UIC1SR, 0xffffffff); /* clear all */
50 mtdcr(UIC2SR, 0xffffffff); /* clear all */
51 mtdcr(UIC2ER, 0x00000000); /* disable all */
52 mtdcr(UIC2CR, 0x00000000); /* all non-critical */
53 mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
54 mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
55 mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
56 mtdcr(UIC2SR, 0xffffffff); /* clear all */
58 mtdcr(UIC3SR, 0xffffffff); /* clear all */
59 mtdcr(UIC3ER, 0x00000000); /* disable all */
60 mtdcr(UIC3CR, 0x00000000); /* all non-critical */
61 mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
62 mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
63 mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
64 mtdcr(UIC3SR, 0xffffffff); /* clear all */
67 * Configure PFC (Pin Function Control) registers
71 mtsdr(SDR0_PFC0, 0x00007fff);
72 mtsdr(SDR0_PFC1, 0x00040000);
74 /* Enable PCI host functionality in SDR0_PCI0 */
75 mtsdr(SDR0_PCI0, 0xe0000000);
77 mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
79 /* Setup PLB4-AHB bridge based on the system address map */
80 mtdcr(AHB_TOP, 0x8000004B);
81 mtdcr(AHB_BOT, 0x8000004B);
84 * Configure USB-STP pins as alternate and not GPIO
85 * It seems to be neccessary to configure the STP pins as GPIO
86 * input at powerup (perhaps while USB reset is asserted). So
87 * we configure those pins to their "real" function now.
89 gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
90 gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
92 /* Trigger board component reset */
93 out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
94 out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
96 out_le16((void *)CONFIG_SYS_IO_BASE, 0xffbf);
97 out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffbf);
99 out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
100 out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
105 int get_cpu_num(void)
107 int cpu = NA_OR_UNKNOWN_CPU;
115 int i = getenv_f("serial#", buf, sizeof(buf));
117 #ifdef CONFIG_DEVCONCENTER
118 printf("Board: DevCon-Center");
120 printf("Board: Intip");
132 int board_early_init_r(void)
135 * CompactCenter has 64MBytes, DevCon-Center 128MBytes of NOR FLASH
136 * (Spansion 29GL512), but the boot EBC mapping only supports a maximum
137 * of 16MBytes (4.ff00.0000 - 4.ffff.ffff).
138 * To solve this problem, the FLASH has to get remapped to another
139 * EBC address which accepts bigger regions:
141 * 0xfn00.0000 -> 4.cn00.0000
144 u32 bxcr_bw = (CONFIG_SYS_FLASH_SIZE == 128 << 20) ?
145 EBC_BXCR_BS_128MB : EBC_BXCR_BS_64MB;
147 /* Remap the NOR FLASH to 0xcn00.0000 ... 0xcfff.ffff */
148 mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L
151 | EBC_BXCR_BW_16BIT);
153 /* Remove TLB entry of boot EBC mapping */
154 remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
156 /* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */
157 program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE,
158 CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE);
161 * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address
162 * 0xfc00.0000 is possible
166 * Clear potential errors resulting from auto-calibration.
167 * If not done, then we could get an interrupt later on when
168 * exceptions are enabled.
170 set_mcsr(get_mcsr());
175 int misc_init_r(void)
181 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
182 * This is board specific, so let's do it here.
184 mfsdr(SDR0_ETH_CFG, eth_cfg);
185 /* disable SGMII mode */
186 eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
187 SDR0_ETH_CFG_SGMII1_ENABLE |
188 SDR0_ETH_CFG_SGMII0_ENABLE);
189 /* Set the for 2 RGMII mode */
190 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
191 eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
192 eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
193 mtsdr(SDR0_ETH_CFG, eth_cfg);
196 * The AHB Bridge core is held in reset after power-on or reset
199 mfsdr(SDR0_SRST1, sdr0_srst1);
200 sdr0_srst1 &= ~SDR0_SRST1_AHB;
201 mtsdr(SDR0_SRST1, sdr0_srst1);
206 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
207 extern void __ft_board_setup(void *blob, bd_t *bd);
209 int ft_board_setup(void *blob, bd_t *bd)
211 __ft_board_setup(blob, bd);
213 fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
214 "disabled", sizeof("disabled"), 1);
216 fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
217 "disabled", sizeof("disabled"), 1);
221 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */