1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011 Renesas Solutions Corp.
11 #include <asm/processor.h>
15 #include <spi_flash.h>
19 puts("BOARD: R0P7757LC0030RL board\n");
24 static void init_gctrl(void)
26 struct gctrl_regs *gctrl = GCTRL_BASE;
27 unsigned long graofst;
29 graofst = (SH7757LCR_SDRAM_PHYS_TOP + SH7757LCR_GRA_OFFSET) >> 24;
30 writel(graofst | 0x20000f00, &gctrl->gracr3);
33 static int init_pcie_bridge_from_spi(void *buf, size_t size)
35 #ifdef CONFIG_DEPRECATED
36 struct spi_flash *spi;
38 unsigned long pcie_addr;
40 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
42 printf("%s: spi_flash probe error.\n", __func__);
47 pcie_addr = SH7757LCR_PCIEBRG_ADDR_B0;
49 pcie_addr = SH7757LCR_PCIEBRG_ADDR;
51 ret = spi_flash_read(spi, pcie_addr, size, buf);
53 printf("%s: spi_flash read error.\n", __func__);
61 printf("No SPI support so no PCIe support\n");
66 static void init_pcie_bridge(void)
68 struct pciebrg_regs *pciebrg = PCIEBRG_BASE;
69 struct pcie_setup_regs *pcie_setup = PCIE_SETUP_BASE;
73 unsigned long pcie_size;
75 if (!(readw(&pciebrg->ctrl_h8s) & 0x0001))
79 pcie_size = SH7757LCR_PCIEBRG_SIZE_B0;
81 pcie_size = SH7757LCR_PCIEBRG_SIZE;
83 data = malloc(pcie_size);
85 printf("%s: malloc error.\n", __func__);
88 if (init_pcie_bridge_from_spi(data, pcie_size)) {
93 if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff &&
96 printf("%s: skipped initialization\n", __func__);
100 writew(0xa501, &pciebrg->ctrl_h8s); /* reset */
101 writew(0x0000, &pciebrg->cp_ctrl);
102 writew(0x0000, &pciebrg->cp_addr);
104 for (i = 0; i < pcie_size; i += 2) {
105 tmp = (data[i] << 8) | data[i + 1];
106 writew(tmp, &pciebrg->cp_data);
109 writew(0xa500, &pciebrg->ctrl_h8s); /* start */
111 writel(0x00000001, &pcie_setup->pbictl3);
116 static void init_usb_phy(void)
118 struct usb_common_regs *common0 = USB0_COMMON_BASE;
119 struct usb_common_regs *common1 = USB1_COMMON_BASE;
120 struct usb0_phy_regs *phy = USB0_PHY_BASE;
121 struct usb1_port_regs *port = USB1_PORT_BASE;
122 struct usb1_alignment_regs *align = USB1_ALIGNMENT_BASE;
124 writew(0x0100, &phy->reset); /* set reset */
125 /* port0 = USB0, port1 = USB1 */
126 writew(0x0002, &phy->portsel);
127 writel(0x0001, &port->port1sel); /* port1 = Host */
128 writew(0x0111, &phy->reset); /* clear reset */
130 writew(0x4000, &common0->suspmode);
131 writew(0x4000, &common1->suspmode);
133 #if defined(__LITTLE_ENDIAN)
134 writel(0x00000000, &align->ehcidatac);
135 writel(0x00000000, &align->ohcidatac);
139 static void set_mac_to_sh_eth_register(int channel, char *mac_string)
141 struct ether_mac_regs *ether;
142 unsigned char mac[6];
145 string_to_enetaddr(mac_string, mac);
148 ether = ETHER0_MAC_BASE;
150 ether = ETHER1_MAC_BASE;
152 val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
153 writel(val, ðer->mahr);
154 val = (mac[4] << 8) | mac[5];
155 writel(val, ðer->malr);
158 static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string)
160 struct ether_mac_regs *ether;
161 unsigned char mac[6];
164 string_to_enetaddr(mac_string, mac);
167 ether = GETHER0_MAC_BASE;
169 ether = GETHER1_MAC_BASE;
171 val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
172 writel(val, ðer->mahr);
173 val = (mac[4] << 8) | mac[5];
174 writel(val, ðer->malr);
177 /*****************************************************************
178 * This PMB must be set on this timing. The lowlevel_init is run on
179 * Area 0(phys 0x00000000), so we have to map it.
181 * The new PMB table is following:
182 * ent virt phys v sz c wt
183 * 0 0xa0000000 0x40000000 1 128M 0 1
184 * 1 0xa8000000 0x48000000 1 128M 0 1
185 * 2 0xb0000000 0x50000000 1 128M 0 1
186 * 3 0xb8000000 0x58000000 1 128M 0 1
187 * 4 0x80000000 0x40000000 1 128M 1 1
188 * 5 0x88000000 0x48000000 1 128M 1 1
189 * 6 0x90000000 0x50000000 1 128M 1 1
190 * 7 0x98000000 0x58000000 1 128M 1 1
192 static void set_pmb_on_board_init(void)
194 struct mmu_regs *mmu = MMU_BASE;
197 writel(0x00000004, &mmu->mmucr);
199 /* delete PMB for SPIBOOT */
200 writel(0, PMB_ADDR_BASE(0));
201 writel(0, PMB_DATA_BASE(0));
203 /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */
204 /* ppn ub v s1 s0 c wt */
205 writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(0));
206 writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(0));
207 writel(mk_pmb_addr_val(0xb0), PMB_ADDR_BASE(2));
208 writel(mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(2));
209 writel(mk_pmb_addr_val(0xb8), PMB_ADDR_BASE(3));
210 writel(mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(3));
211 writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(4));
212 writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(4));
213 writel(mk_pmb_addr_val(0x90), PMB_ADDR_BASE(6));
214 writel(mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(6));
215 writel(mk_pmb_addr_val(0x98), PMB_ADDR_BASE(7));
216 writel(mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(7));
221 struct gether_control_regs *gether = GETHER_CONTROL_BASE;
223 set_pmb_on_board_init();
225 /* enable RMII's MDIO (disable GRMII's MDIO) */
226 writel(0x00030000, &gether->gbecont);
234 int board_mmc_init(bd_t *bis)
236 return mmcif_mmc_init();
239 static int get_sh_eth_mac_raw(unsigned char *buf, int size)
241 #ifdef CONFIG_DEPRECATED
242 struct spi_flash *spi;
245 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
247 printf("%s: spi_flash probe error.\n", __func__);
251 ret = spi_flash_read(spi, SH7757LCR_ETHERNET_MAC_BASE, size, buf);
253 printf("%s: spi_flash read error.\n", __func__);
263 static int get_sh_eth_mac(int channel, char *mac_string, unsigned char *buf)
265 memcpy(mac_string, &buf[channel * (SH7757LCR_ETHERNET_MAC_SIZE + 1)],
266 SH7757LCR_ETHERNET_MAC_SIZE);
267 mac_string[SH7757LCR_ETHERNET_MAC_SIZE] = 0x00; /* terminate */
272 static void init_ethernet_mac(void)
281 printf("%s: malloc error.\n", __func__);
284 get_sh_eth_mac_raw(buf, 256);
287 for (i = 0; i < SH7757LCR_ETHERNET_NUM_CH; i++) {
288 get_sh_eth_mac(i, mac_string, buf);
290 env_set("ethaddr", mac_string);
292 sprintf(env_string, "eth%daddr", i);
293 env_set(env_string, mac_string);
296 set_mac_to_sh_eth_register(i, mac_string);
299 /* Gigabit Ethernet */
300 for (i = 0; i < SH7757LCR_GIGA_ETHERNET_NUM_CH; i++) {
301 get_sh_eth_mac(i + SH7757LCR_ETHERNET_NUM_CH, mac_string, buf);
302 sprintf(env_string, "eth%daddr", i + SH7757LCR_ETHERNET_NUM_CH);
303 env_set(env_string, mac_string);
305 set_mac_to_sh_giga_eth_register(i, mac_string);
311 static void init_pcie(void)
313 struct pcie_setup_regs *pcie_setup = PCIE_SETUP_BASE;
314 struct pcie_system_bus_regs *pcie_sysbus = PCIE_SYSTEM_BUS_BASE;
316 writel(0x00000ff2, &pcie_setup->ladmsk0);
317 writel(0x00000001, &pcie_setup->barmap);
318 writel(0xffcaa000, &pcie_setup->lad0);
319 writel(0x00030000, &pcie_sysbus->endictl0);
320 writel(0x00000003, &pcie_sysbus->endictl1);
321 writel(0x00000004, &pcie_setup->pbictl2);
324 static void finish_spiboot(void)
326 struct gctrl_regs *gctrl = GCTRL_BASE;
328 * SH7757 B0 does not use LBSC.
329 * So if we set SPIBOOTCAN to 1, SH7757 can not access Area0.
330 * This setting is not cleared by manual reset, So we have to set it
333 writel(0x00000000, &gctrl->spibootcan);
336 int board_late_init(void)
346 int do_sh_g200(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
348 struct gctrl_regs *gctrl = GCTRL_BASE;
349 unsigned long graofst;
351 writel(0xfedcba98, &gctrl->wprotect);
352 graofst = (SH7757LCR_SDRAM_PHYS_TOP + SH7757LCR_GRA_OFFSET) >> 24;
353 writel(graofst | 0xa0000f00, &gctrl->gracr3);
359 sh_g200, 1, 1, do_sh_g200,
361 "enable SH-G200 bus (disable PCIe-G200)"
364 #ifdef CONFIG_DEPRECATED
365 int do_write_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
368 char mac_string[256];
369 struct spi_flash *spi;
375 printf("%s: malloc error.\n", __func__);
379 get_sh_eth_mac_raw(buf, 256);
381 /* print current MAC address */
382 for (i = 0; i < 4; i++) {
383 get_sh_eth_mac(i, mac_string, buf);
385 printf(" ETHERC ch%d = %s\n", i, mac_string);
387 printf("GETHERC ch%d = %s\n", i-2, mac_string);
394 memset(mac_string, 0xff, sizeof(mac_string));
395 sprintf(mac_string, "%s\t%s\t%s\t%s",
396 argv[1], argv[2], argv[3], argv[4]);
398 /* write MAC data to SPI rom */
399 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
401 printf("%s: spi_flash probe error.\n", __func__);
405 ret = spi_flash_erase(spi, SH7757LCR_ETHERNET_MAC_BASE_SPI,
406 SH7757LCR_SPI_SECTOR_SIZE);
408 printf("%s: spi_flash erase error.\n", __func__);
412 ret = spi_flash_write(spi, SH7757LCR_ETHERNET_MAC_BASE_SPI,
413 sizeof(mac_string), mac_string);
415 printf("%s: spi_flash write error.\n", __func__);
421 puts("The writing of the MAC address to SPI ROM was completed.\n");
427 write_mac, 5, 1, do_write_mac,
428 "write MAC address for ETHERC/GETHERC",
429 "[ETHERC ch0] [ETHERC ch1] [GETHERC ch0] [GETHERC ch1]\n"