1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011 Renesas Solutions Corp.
13 #include <asm/processor.h>
17 #include <spi_flash.h>
21 puts("BOARD: R0P7757LC0030RL board\n");
26 static void init_gctrl(void)
28 struct gctrl_regs *gctrl = GCTRL_BASE;
29 unsigned long graofst;
31 graofst = (SH7757LCR_SDRAM_PHYS_TOP + SH7757LCR_GRA_OFFSET) >> 24;
32 writel(graofst | 0x20000f00, &gctrl->gracr3);
35 static int init_pcie_bridge_from_spi(void *buf, size_t size)
37 #ifdef CONFIG_DEPRECATED
38 struct spi_flash *spi;
40 unsigned long pcie_addr;
42 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
44 printf("%s: spi_flash probe error.\n", __func__);
49 pcie_addr = SH7757LCR_PCIEBRG_ADDR_B0;
51 pcie_addr = SH7757LCR_PCIEBRG_ADDR;
53 ret = spi_flash_read(spi, pcie_addr, size, buf);
55 printf("%s: spi_flash read error.\n", __func__);
63 printf("No SPI support so no PCIe support\n");
68 static void init_pcie_bridge(void)
70 struct pciebrg_regs *pciebrg = PCIEBRG_BASE;
71 struct pcie_setup_regs *pcie_setup = PCIE_SETUP_BASE;
75 unsigned long pcie_size;
77 if (!(readw(&pciebrg->ctrl_h8s) & 0x0001))
81 pcie_size = SH7757LCR_PCIEBRG_SIZE_B0;
83 pcie_size = SH7757LCR_PCIEBRG_SIZE;
85 data = malloc(pcie_size);
87 printf("%s: malloc error.\n", __func__);
90 if (init_pcie_bridge_from_spi(data, pcie_size)) {
95 if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff &&
98 printf("%s: skipped initialization\n", __func__);
102 writew(0xa501, &pciebrg->ctrl_h8s); /* reset */
103 writew(0x0000, &pciebrg->cp_ctrl);
104 writew(0x0000, &pciebrg->cp_addr);
106 for (i = 0; i < pcie_size; i += 2) {
107 tmp = (data[i] << 8) | data[i + 1];
108 writew(tmp, &pciebrg->cp_data);
111 writew(0xa500, &pciebrg->ctrl_h8s); /* start */
113 writel(0x00000001, &pcie_setup->pbictl3);
118 static void init_usb_phy(void)
120 struct usb_common_regs *common0 = USB0_COMMON_BASE;
121 struct usb_common_regs *common1 = USB1_COMMON_BASE;
122 struct usb0_phy_regs *phy = USB0_PHY_BASE;
123 struct usb1_port_regs *port = USB1_PORT_BASE;
124 struct usb1_alignment_regs *align = USB1_ALIGNMENT_BASE;
126 writew(0x0100, &phy->reset); /* set reset */
127 /* port0 = USB0, port1 = USB1 */
128 writew(0x0002, &phy->portsel);
129 writel(0x0001, &port->port1sel); /* port1 = Host */
130 writew(0x0111, &phy->reset); /* clear reset */
132 writew(0x4000, &common0->suspmode);
133 writew(0x4000, &common1->suspmode);
135 #if defined(__LITTLE_ENDIAN)
136 writel(0x00000000, &align->ehcidatac);
137 writel(0x00000000, &align->ohcidatac);
141 static void set_mac_to_sh_eth_register(int channel, char *mac_string)
143 struct ether_mac_regs *ether;
144 unsigned char mac[6];
147 string_to_enetaddr(mac_string, mac);
150 ether = ETHER0_MAC_BASE;
152 ether = ETHER1_MAC_BASE;
154 val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
155 writel(val, ðer->mahr);
156 val = (mac[4] << 8) | mac[5];
157 writel(val, ðer->malr);
160 static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string)
162 struct ether_mac_regs *ether;
163 unsigned char mac[6];
166 string_to_enetaddr(mac_string, mac);
169 ether = GETHER0_MAC_BASE;
171 ether = GETHER1_MAC_BASE;
173 val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
174 writel(val, ðer->mahr);
175 val = (mac[4] << 8) | mac[5];
176 writel(val, ðer->malr);
179 /*****************************************************************
180 * This PMB must be set on this timing. The lowlevel_init is run on
181 * Area 0(phys 0x00000000), so we have to map it.
183 * The new PMB table is following:
184 * ent virt phys v sz c wt
185 * 0 0xa0000000 0x40000000 1 128M 0 1
186 * 1 0xa8000000 0x48000000 1 128M 0 1
187 * 2 0xb0000000 0x50000000 1 128M 0 1
188 * 3 0xb8000000 0x58000000 1 128M 0 1
189 * 4 0x80000000 0x40000000 1 128M 1 1
190 * 5 0x88000000 0x48000000 1 128M 1 1
191 * 6 0x90000000 0x50000000 1 128M 1 1
192 * 7 0x98000000 0x58000000 1 128M 1 1
194 static void set_pmb_on_board_init(void)
196 struct mmu_regs *mmu = MMU_BASE;
199 writel(0x00000004, &mmu->mmucr);
201 /* delete PMB for SPIBOOT */
202 writel(0, PMB_ADDR_BASE(0));
203 writel(0, PMB_DATA_BASE(0));
205 /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */
206 /* ppn ub v s1 s0 c wt */
207 writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(0));
208 writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(0));
209 writel(mk_pmb_addr_val(0xb0), PMB_ADDR_BASE(2));
210 writel(mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(2));
211 writel(mk_pmb_addr_val(0xb8), PMB_ADDR_BASE(3));
212 writel(mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(3));
213 writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(4));
214 writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(4));
215 writel(mk_pmb_addr_val(0x90), PMB_ADDR_BASE(6));
216 writel(mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(6));
217 writel(mk_pmb_addr_val(0x98), PMB_ADDR_BASE(7));
218 writel(mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(7));
223 struct gether_control_regs *gether = GETHER_CONTROL_BASE;
225 set_pmb_on_board_init();
227 /* enable RMII's MDIO (disable GRMII's MDIO) */
228 writel(0x00030000, &gether->gbecont);
236 int board_mmc_init(bd_t *bis)
238 return mmcif_mmc_init();
241 static int get_sh_eth_mac_raw(unsigned char *buf, int size)
243 #ifdef CONFIG_DEPRECATED
244 struct spi_flash *spi;
247 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
249 printf("%s: spi_flash probe error.\n", __func__);
253 ret = spi_flash_read(spi, SH7757LCR_ETHERNET_MAC_BASE, size, buf);
255 printf("%s: spi_flash read error.\n", __func__);
265 static int get_sh_eth_mac(int channel, char *mac_string, unsigned char *buf)
267 memcpy(mac_string, &buf[channel * (SH7757LCR_ETHERNET_MAC_SIZE + 1)],
268 SH7757LCR_ETHERNET_MAC_SIZE);
269 mac_string[SH7757LCR_ETHERNET_MAC_SIZE] = 0x00; /* terminate */
274 static void init_ethernet_mac(void)
283 printf("%s: malloc error.\n", __func__);
286 get_sh_eth_mac_raw(buf, 256);
289 for (i = 0; i < SH7757LCR_ETHERNET_NUM_CH; i++) {
290 get_sh_eth_mac(i, mac_string, buf);
292 env_set("ethaddr", mac_string);
294 sprintf(env_string, "eth%daddr", i);
295 env_set(env_string, mac_string);
298 set_mac_to_sh_eth_register(i, mac_string);
301 /* Gigabit Ethernet */
302 for (i = 0; i < SH7757LCR_GIGA_ETHERNET_NUM_CH; i++) {
303 get_sh_eth_mac(i + SH7757LCR_ETHERNET_NUM_CH, mac_string, buf);
304 sprintf(env_string, "eth%daddr", i + SH7757LCR_ETHERNET_NUM_CH);
305 env_set(env_string, mac_string);
307 set_mac_to_sh_giga_eth_register(i, mac_string);
313 static void init_pcie(void)
315 struct pcie_setup_regs *pcie_setup = PCIE_SETUP_BASE;
316 struct pcie_system_bus_regs *pcie_sysbus = PCIE_SYSTEM_BUS_BASE;
318 writel(0x00000ff2, &pcie_setup->ladmsk0);
319 writel(0x00000001, &pcie_setup->barmap);
320 writel(0xffcaa000, &pcie_setup->lad0);
321 writel(0x00030000, &pcie_sysbus->endictl0);
322 writel(0x00000003, &pcie_sysbus->endictl1);
323 writel(0x00000004, &pcie_setup->pbictl2);
326 static void finish_spiboot(void)
328 struct gctrl_regs *gctrl = GCTRL_BASE;
330 * SH7757 B0 does not use LBSC.
331 * So if we set SPIBOOTCAN to 1, SH7757 can not access Area0.
332 * This setting is not cleared by manual reset, So we have to set it
335 writel(0x00000000, &gctrl->spibootcan);
338 int board_late_init(void)
348 int do_sh_g200(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
350 struct gctrl_regs *gctrl = GCTRL_BASE;
351 unsigned long graofst;
353 writel(0xfedcba98, &gctrl->wprotect);
354 graofst = (SH7757LCR_SDRAM_PHYS_TOP + SH7757LCR_GRA_OFFSET) >> 24;
355 writel(graofst | 0xa0000f00, &gctrl->gracr3);
361 sh_g200, 1, 1, do_sh_g200,
363 "enable SH-G200 bus (disable PCIe-G200)"
366 #ifdef CONFIG_DEPRECATED
367 int do_write_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
370 char mac_string[256];
371 struct spi_flash *spi;
377 printf("%s: malloc error.\n", __func__);
381 get_sh_eth_mac_raw(buf, 256);
383 /* print current MAC address */
384 for (i = 0; i < 4; i++) {
385 get_sh_eth_mac(i, mac_string, buf);
387 printf(" ETHERC ch%d = %s\n", i, mac_string);
389 printf("GETHERC ch%d = %s\n", i-2, mac_string);
396 memset(mac_string, 0xff, sizeof(mac_string));
397 sprintf(mac_string, "%s\t%s\t%s\t%s",
398 argv[1], argv[2], argv[3], argv[4]);
400 /* write MAC data to SPI rom */
401 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
403 printf("%s: spi_flash probe error.\n", __func__);
407 ret = spi_flash_erase(spi, SH7757LCR_ETHERNET_MAC_BASE_SPI,
408 SH7757LCR_SPI_SECTOR_SIZE);
410 printf("%s: spi_flash erase error.\n", __func__);
414 ret = spi_flash_write(spi, SH7757LCR_ETHERNET_MAC_BASE_SPI,
415 sizeof(mac_string), mac_string);
417 printf("%s: spi_flash write error.\n", __func__);
423 puts("The writing of the MAC address to SPI ROM was completed.\n");
429 write_mac, 5, 1, do_write_mac,
430 "write MAC address for ETHERC/GETHERC",
431 "[ETHERC ch0] [ETHERC ch1] [GETHERC ch0] [GETHERC ch1]\n"