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1 /*
2  * Copyright 2008-2012 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+ 
5  */
6
7 #include <common.h>
8 #include <command.h>
9 #include <pci.h>
10 #include <asm/processor.h>
11 #include <asm/mmu.h>
12 #include <asm/cache.h>
13 #include <asm/immap_85xx.h>
14 #include <asm/fsl_pci.h>
15 #include <asm/fsl_ddr_sdram.h>
16 #include <asm/io.h>
17 #include <asm/fsl_serdes.h>
18 #include <spd.h>
19 #include <miiphy.h>
20 #include <libfdt.h>
21 #include <spd_sdram.h>
22 #include <fdt_support.h>
23 #include <fsl_mdio.h>
24 #include <tsec.h>
25 #include <netdev.h>
26 #include <sata.h>
27
28 #include "../common/sgmii_riser.h"
29
30 int board_early_init_f (void)
31 {
32 #ifdef CONFIG_MMC
33         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
34
35         setbits_be32(&gur->pmuxcr,
36                         (MPC85xx_PMUXCR_SDHC_CD |
37                          MPC85xx_PMUXCR_SDHC_WP));
38
39         /* The MPC8536DS board insert the SDHC_WP pin for erratum NMG_eSDHC118,
40          * however, this erratum only applies to MPC8536 Rev1.0.
41          * So set SDHC_WP to active-low when use MPC8536 Rev1.1 and greater.*/
42         if ((((SVR_MAJ(get_svr()) & 0x7) == 0x1) &&
43                         (SVR_MIN(get_svr()) >= 0x1))
44                         || (SVR_MAJ(get_svr() & 0x7) > 0x1))
45                 setbits_be32(&gur->gencfgr, MPC85xx_GENCFGR_SDHC_WP_INV);
46 #endif
47         return 0;
48 }
49
50 int checkboard (void)
51 {
52         u8 vboot;
53         u8 *pixis_base = (u8 *)PIXIS_BASE;
54
55         printf("Board: MPC8536DS Sys ID: 0x%02x, "
56                 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
57                 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
58                 in_8(pixis_base + PIXIS_PVER));
59
60         vboot = in_8(pixis_base + PIXIS_VBOOT);
61         switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
62                 case PIXIS_VBOOT_LBMAP_NOR0:
63                         puts ("vBank: 0\n");
64                         break;
65                 case PIXIS_VBOOT_LBMAP_NOR1:
66                         puts ("vBank: 1\n");
67                         break;
68                 case PIXIS_VBOOT_LBMAP_NOR2:
69                         puts ("vBank: 2\n");
70                         break;
71                 case PIXIS_VBOOT_LBMAP_NOR3:
72                         puts ("vBank: 3\n");
73                         break;
74                 case PIXIS_VBOOT_LBMAP_PJET:
75                         puts ("Promjet\n");
76                         break;
77                 case PIXIS_VBOOT_LBMAP_NAND:
78                         puts ("NAND\n");
79                         break;
80         }
81
82         return 0;
83 }
84
85 #if !defined(CONFIG_SPD_EEPROM)
86 /*
87  * Fixed sdram init -- doesn't use serial presence detect.
88  */
89
90 phys_size_t fixed_sdram (void)
91 {
92         volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
93         volatile ccsr_ddr_t *ddr= &immap->im_ddr;
94         uint d_init;
95
96         ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
97         ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
98
99         ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
100         ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
101         ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
102         ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
103         ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
104         ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
105         ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
106         ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
107         ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
108         ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
109
110 #if defined (CONFIG_DDR_ECC)
111         ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
112         ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
113         ddr->err_sbe = CONFIG_SYS_DDR_SBE;
114 #endif
115         asm("sync;isync");
116
117         udelay(500);
118
119         ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
120
121 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
122         d_init = 1;
123         debug("DDR - 1st controller: memory initializing\n");
124         /*
125          * Poll until memory is initialized.
126          * 512 Meg at 400 might hit this 200 times or so.
127          */
128         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
129                 udelay(1000);
130         }
131         debug("DDR: memory initialized\n\n");
132         asm("sync; isync");
133         udelay(500);
134 #endif
135
136         return 512 * 1024 * 1024;
137 }
138
139 #endif
140
141 #ifdef CONFIG_PCI1
142 static struct pci_controller pci1_hose;
143 #endif
144
145 #ifdef CONFIG_PCI
146 void pci_init_board(void)
147 {
148         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
149         struct fsl_pci_info pci_info;
150         u32 devdisr, pordevsr;
151         u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
152         int first_free_busno;
153
154         first_free_busno = fsl_pcie_init_board(0);
155
156 #ifdef CONFIG_PCI1
157         devdisr = in_be32(&gur->devdisr);
158         pordevsr = in_be32(&gur->pordevsr);
159         porpllsr = in_be32(&gur->porpllsr);
160
161         pci_speed = 66666000;
162         pci_32 = 1;
163         pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
164         pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
165
166         if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
167                 SET_STD_PCI_INFO(pci_info, 1);
168                 set_next_law(pci_info.mem_phys,
169                         law_size_bits(pci_info.mem_size), pci_info.law);
170                 set_next_law(pci_info.io_phys,
171                         law_size_bits(pci_info.io_size), pci_info.law);
172
173                 pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
174                 printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
175                         (pci_32) ? 32 : 64,
176                         (pci_speed == 33333000) ? "33" :
177                         (pci_speed == 66666000) ? "66" : "unknown",
178                         pci_clk_sel ? "sync" : "async",
179                         pci_agent ? "agent" : "host",
180                         pci_arb ? "arbiter" : "external-arbiter",
181                         pci_info.regs);
182
183                 first_free_busno = fsl_pci_init_port(&pci_info,
184                                         &pci1_hose, first_free_busno);
185         } else {
186                 printf("PCI: disabled\n");
187         }
188
189         puts("\n");
190 #else
191         setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
192 #endif
193 }
194 #endif
195
196 int board_early_init_r(void)
197 {
198         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
199         const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
200
201         /*
202          * Remap Boot flash + PROMJET region to caching-inhibited
203          * so that flash can be erased properly.
204          */
205
206         /* Flush d-cache and invalidate i-cache of any FLASH data */
207         flush_dcache();
208         invalidate_icache();
209
210         /* invalidate existing TLB entry for flash + promjet */
211         disable_tlb(flash_esel);
212
213         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,       /* tlb, epn, rpn */
214                 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
215                 0, flash_esel, BOOKE_PAGESZ_256M, 1);   /* ts, esel, tsize, iprot */
216
217         return 0;
218 }
219
220 int board_eth_init(bd_t *bis)
221 {
222 #ifdef CONFIG_TSEC_ENET
223         struct fsl_pq_mdio_info mdio_info;
224         struct tsec_info_struct tsec_info[2];
225         int num = 0;
226
227 #ifdef CONFIG_TSEC1
228         SET_STD_TSEC_INFO(tsec_info[num], 1);
229         if (is_serdes_configured(SGMII_TSEC1)) {
230                 puts("eTSEC1 is in sgmii mode.\n");
231                 tsec_info[num].phyaddr = 0;
232                 tsec_info[num].flags |= TSEC_SGMII;
233         }
234         num++;
235 #endif
236 #ifdef CONFIG_TSEC3
237         SET_STD_TSEC_INFO(tsec_info[num], 3);
238         if (is_serdes_configured(SGMII_TSEC3)) {
239                 puts("eTSEC3 is in sgmii mode.\n");
240                 tsec_info[num].phyaddr = 1;
241                 tsec_info[num].flags |= TSEC_SGMII;
242         }
243         num++;
244 #endif
245
246         if (!num) {
247                 printf("No TSECs initialized\n");
248                 return 0;
249         }
250
251 #ifdef CONFIG_FSL_SGMII_RISER
252         if (is_serdes_configured(SGMII_TSEC1) ||
253             is_serdes_configured(SGMII_TSEC3)) {
254                 fsl_sgmii_riser_init(tsec_info, num);
255         }
256 #endif
257
258         mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
259         mdio_info.name = DEFAULT_MII_NAME;
260         fsl_pq_mdio_init(bis, &mdio_info);
261
262         tsec_eth_init(bis, tsec_info, num);
263 #endif
264         return pci_eth_init(bis);
265 }
266
267 #if defined(CONFIG_OF_BOARD_SETUP)
268 void ft_board_setup(void *blob, bd_t *bd)
269 {
270         ft_cpu_setup(blob, bd);
271
272         FT_FSL_PCI_SETUP;
273
274 #ifdef CONFIG_FSL_SGMII_RISER
275         fsl_sgmii_riser_fdt_fixup(blob);
276 #endif
277
278 #ifdef CONFIG_HAS_FSL_MPH_USB
279         fdt_fixup_dr_usb(blob, bd);
280 #endif
281
282 }
283 #endif