Merge git://git.denx.de/u-boot-marvell

This commit is contained in:
Tom Rini 2015-08-17 17:19:40 -04:00
commit ecd37e8598
19 changed files with 855 additions and 56 deletions

View file

@ -72,7 +72,6 @@ u32 armd1_sdram_size(int chip_sel)
}
}
#ifndef CONFIG_SYS_BOARD_DRAM_INIT
int dram_init(void)
{
int i;
@ -113,4 +112,3 @@ void dram_init_banksize(void)
{
dram_init();
}
#endif /* CONFIG_SYS_BOARD_DRAM_INIT */

View file

@ -14,6 +14,10 @@ else
obj-y = cpu.o
obj-y += dram.o
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_SYS_MVEBU_DDR_A38X) += ../../../drivers/ddr/marvell/a38x/xor.o
obj-$(CONFIG_SYS_MVEBU_DDR_AXP) += ../../../drivers/ddr/marvell/axp/xor.o
endif
obj-y += gpio.o
obj-y += mbus.o
obj-y += timer.o

View file

@ -18,19 +18,13 @@
#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3))
static struct mbus_win windows[] = {
/* PCIE MEM address space */
{ DEFADR_PCI_MEM, 256 << 20, CPU_TARGET_PCIE13, CPU_ATTR_PCIE_MEM },
/* PCIE IO address space */
{ DEFADR_PCI_IO, 64 << 10, CPU_TARGET_PCIE13, CPU_ATTR_PCIE_IO },
/* SPI */
{ DEFADR_SPIF, 8 << 20, CPU_TARGET_DEVICEBUS_BOOTROM_SPI,
CPU_ATTR_SPIFLASH },
{ MBUS_SPI_BASE, MBUS_SPI_SIZE,
CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPIFLASH },
/* NOR */
{ DEFADR_BOOTROM, 8 << 20, CPU_TARGET_DEVICEBUS_BOOTROM_SPI,
CPU_ATTR_BOOTROM },
{ MBUS_BOOTROM_BASE, MBUS_BOOTROM_SIZE,
CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_BOOTROM },
};
void reset_cpu(unsigned long ignored)
@ -177,17 +171,69 @@ static void set_cbar(u32 addr)
asm("mcr p15, 4, %0, c15, c0" : : "r" (addr));
}
#define MV_USB_PHY_BASE (MVEBU_AXP_USB_BASE + 0x800)
#define MV_USB_PHY_PLL_REG(reg) (MV_USB_PHY_BASE | (((reg) & 0xF) << 2))
#define MV_USB_X3_BASE(addr) (MVEBU_AXP_USB_BASE | BIT(11) | \
(((addr) & 0xF) << 6))
#define MV_USB_X3_PHY_CHANNEL(dev, reg) (MV_USB_X3_BASE((dev) + 1) | \
(((reg) & 0xF) << 2))
static void setup_usb_phys(void)
{
int dev;
/*
* USB PLL init
*/
/* Setup PLL frequency */
/* USB REF frequency = 25 MHz */
clrsetbits_le32(MV_USB_PHY_PLL_REG(1), 0x3ff, 0x605);
/* Power up PLL and PHY channel */
clrsetbits_le32(MV_USB_PHY_PLL_REG(2), 0, BIT(9));
/* Assert VCOCAL_START */
clrsetbits_le32(MV_USB_PHY_PLL_REG(1), 0, BIT(21));
mdelay(1);
/*
* USB PHY init (change from defaults) specific for 40nm (78X30 78X60)
*/
for (dev = 0; dev < 3; dev++) {
clrsetbits_le32(MV_USB_X3_PHY_CHANNEL(dev, 3), 0, BIT(15));
/* Assert REG_RCAL_START in channel REG 1 */
clrsetbits_le32(MV_USB_X3_PHY_CHANNEL(dev, 1), 0, BIT(12));
udelay(40);
clrsetbits_le32(MV_USB_X3_PHY_CHANNEL(dev, 1), BIT(12), 0);
}
}
int arch_cpu_init(void)
{
#ifndef CONFIG_SPL_BUILD
/*
* Only with disabled MMU its possible to switch the base
* register address on Armada 38x. Without this the SDRAM
* located at >= 0x4000.0000 is also not accessible, as its
* still locked to cache.
*/
mmu_disable();
if (mvebu_soc_family() == MVEBU_SOC_A38X) {
struct pl310_regs *const pl310 =
(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
/*
* Only with disabled MMU its possible to switch the base
* register address on Armada 38x. Without this the SDRAM
* located at >= 0x4000.0000 is also not accessible, as its
* still locked to cache.
*
* So to fully release / unlock this area from cache, we need
* to first flush all caches, then disable the MMU and
* disable the L2 cache.
*/
icache_disable();
dcache_disable();
mmu_disable();
clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
}
#endif
/* Linux expects the internal registers to be at 0xf1000000 */
@ -227,10 +273,33 @@ int arch_cpu_init(void)
*/
mvebu_mbus_probe(windows, ARRAY_SIZE(windows));
if (mvebu_soc_family() == MVEBU_SOC_AXP) {
/* Enable GBE0, GBE1, LCD and NFC PUP */
clrsetbits_le32(ARMADA_XP_PUP_ENABLE, 0,
GE0_PUP_EN | GE1_PUP_EN | LCD_PUP_EN |
NAND_PUP_EN | SPI_PUP_EN);
/* Configure USB PLL and PHYs on AXP */
setup_usb_phys();
}
/* Enable NAND and NAND arbiter */
clrsetbits_le32(MVEBU_SOC_DEV_MUX_REG, 0, NAND_EN | NAND_ARBITER_EN);
/* Disable MBUS error propagation */
clrsetbits_le32(SOC_COHERENCY_FABRIC_CTRL_REG, MBUS_ERR_PROP_EN, 0);
return 0;
}
#endif /* CONFIG_ARCH_CPU_INIT */
u32 mvebu_get_nand_clock(void)
{
return CONFIG_SYS_MVEBU_PLL_CLOCK /
((readl(MVEBU_CORE_DIV_CLK_CTRL(1)) &
NAND_ECC_DIVCKL_RATIO_MASK) >> NAND_ECC_DIVCKL_RATIO_OFFS);
}
/*
* SOC specific misc init
*/

View file

@ -12,6 +12,15 @@
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#ifdef CONFIG_SYS_MVEBU_DDR_A38X
#include "../../../drivers/ddr/marvell/axp/xor.h"
#include "../../../drivers/ddr/marvell/axp/xor_regs.h"
#endif
#ifdef CONFIG_SYS_MVEBU_DDR_AXP
#include "../../../drivers/ddr/marvell/axp/xor.h"
#include "../../../drivers/ddr/marvell/axp/xor_regs.h"
#endif
DECLARE_GLOBAL_DATA_PTR;
struct sdram_bank {
@ -28,6 +37,16 @@ struct sdram_addr_dec {
#define REG_CPUCS_WIN_WIN0_CS(x) (((x) & 0x3) << 2)
#define REG_CPUCS_WIN_SIZE(x) (((x) & 0xff) << 24)
#define SDRAM_SIZE_MAX 0xc0000000
#define SCRUB_MAGIC 0xbeefdead
#define SCRB_XOR_UNIT 0
#define SCRB_XOR_CHAN 1
#define SCRB_XOR_WIN 0
#define XEBARX_BASE_OFFS 16
/*
* mvebu_sdram_bar - reads SDRAM Base Address Register
*/
@ -93,32 +112,146 @@ void mvebu_sdram_size_adjust(enum memory_bank bank)
mvebu_sdram_bs_set(bank, size);
}
#ifndef CONFIG_SYS_BOARD_DRAM_INIT
#if defined(CONFIG_SYS_MVEBU_DDR_A38X) || defined(CONFIG_SYS_MVEBU_DDR_AXP)
static u32 xor_ctrl_save;
static u32 xor_base_save;
static u32 xor_mask_save;
static void mv_xor_init2(u32 cs)
{
u32 reg, base, size, base2;
u32 bank_attr[4] = { 0xe00, 0xd00, 0xb00, 0x700 };
xor_ctrl_save = reg_read(XOR_WINDOW_CTRL_REG(SCRB_XOR_UNIT,
SCRB_XOR_CHAN));
xor_base_save = reg_read(XOR_BASE_ADDR_REG(SCRB_XOR_UNIT,
SCRB_XOR_WIN));
xor_mask_save = reg_read(XOR_SIZE_MASK_REG(SCRB_XOR_UNIT,
SCRB_XOR_WIN));
/* Enable Window x for each CS */
reg = 0x1;
reg |= (0x3 << 16);
reg_write(XOR_WINDOW_CTRL_REG(SCRB_XOR_UNIT, SCRB_XOR_CHAN), reg);
base = 0;
size = mvebu_sdram_bs(cs) - 1;
if (size) {
base2 = ((base / (64 << 10)) << XEBARX_BASE_OFFS) |
bank_attr[cs];
reg_write(XOR_BASE_ADDR_REG(SCRB_XOR_UNIT, SCRB_XOR_WIN),
base2);
base += size + 1;
size = (size / (64 << 10)) << 16;
/* Window x - size - 256 MB */
reg_write(XOR_SIZE_MASK_REG(SCRB_XOR_UNIT, SCRB_XOR_WIN), size);
}
mv_xor_hal_init(0);
return;
}
static void mv_xor_finish2(void)
{
reg_write(XOR_WINDOW_CTRL_REG(SCRB_XOR_UNIT, SCRB_XOR_CHAN),
xor_ctrl_save);
reg_write(XOR_BASE_ADDR_REG(SCRB_XOR_UNIT, SCRB_XOR_WIN),
xor_base_save);
reg_write(XOR_SIZE_MASK_REG(SCRB_XOR_UNIT, SCRB_XOR_WIN),
xor_mask_save);
}
static void dram_ecc_scrubbing(void)
{
int cs;
u32 size, temp;
u32 total_mem = 0;
u64 total;
u32 start_addr;
/*
* The DDR training code from the bin_hdr / SPL already
* scrubbed the DDR till 0x1000000. And the main U-Boot
* is loaded to an address < 0x1000000. So we need to
* skip this range to not re-scrub this area again.
*/
temp = reg_read(REG_SDRAM_CONFIG_ADDR);
temp |= (1 << REG_SDRAM_CONFIG_IERR_OFFS);
reg_write(REG_SDRAM_CONFIG_ADDR, temp);
for (cs = 0; cs < CONFIG_NR_DRAM_BANKS; cs++) {
size = mvebu_sdram_bs(cs) - 1;
if (size == 0)
continue;
total = (u64)size + 1;
total_mem += (u32)(total / (1 << 30));
start_addr = 0;
mv_xor_init2(cs);
/* Skip first 16 MiB */
if (0 == cs) {
start_addr = 0x1000000;
size -= start_addr;
}
mv_xor_mem_init(SCRB_XOR_CHAN, start_addr, size,
SCRUB_MAGIC, SCRUB_MAGIC);
/* Wait for previous transfer completion */
while (mv_xor_state_get(SCRB_XOR_CHAN) != MV_IDLE)
;
mv_xor_finish2();
}
temp = reg_read(REG_SDRAM_CONFIG_ADDR);
temp &= ~(1 << REG_SDRAM_CONFIG_IERR_OFFS);
reg_write(REG_SDRAM_CONFIG_ADDR, temp);
}
static int ecc_enabled(void)
{
if (reg_read(REG_SDRAM_CONFIG_ADDR) & (1 << REG_SDRAM_CONFIG_ECC_OFFS))
return 1;
return 0;
}
#else
static void dram_ecc_scrubbing(void)
{
}
static int ecc_enabled(void)
{
return 0;
}
#endif
int dram_init(void)
{
u64 size = 0;
int i;
gd->ram_size = 0;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
gd->bd->bi_dram[i].start = mvebu_sdram_bar(i);
gd->bd->bi_dram[i].size = mvebu_sdram_bs(i);
/*
* It is assumed that all memory banks are consecutive
* and without gaps.
* If the gap is found, ram_size will be reported for
* consecutive memory only
*/
if (gd->bd->bi_dram[i].start != gd->ram_size)
if (mvebu_sdram_bar(i) != size)
break;
/*
* Don't report more than 3GiB of SDRAM, otherwise there is no
* address space left for the internal registers etc.
*/
if ((gd->ram_size + gd->bd->bi_dram[i].size != 0) &&
(gd->ram_size + gd->bd->bi_dram[i].size <= (3 << 30)))
gd->ram_size += gd->bd->bi_dram[i].size;
size += mvebu_sdram_bs(i);
if (size > SDRAM_SIZE_MAX)
size = SDRAM_SIZE_MAX;
}
for (; i < CONFIG_NR_DRAM_BANKS; i++) {
@ -130,6 +263,12 @@ int dram_init(void)
gd->bd->bi_dram[i].size = 0;
}
if (ecc_enabled())
dram_ecc_scrubbing();
gd->ram_size = size;
return 0;
}
@ -139,6 +278,25 @@ int dram_init(void)
*/
void dram_init_banksize(void)
{
dram_init();
u64 size = 0;
int i;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
gd->bd->bi_dram[i].start = mvebu_sdram_bar(i);
gd->bd->bi_dram[i].size = mvebu_sdram_bs(i);
/* Clip the banksize to 1GiB if it exceeds the max size */
size += gd->bd->bi_dram[i].size;
if (size > SDRAM_SIZE_MAX)
mvebu_sdram_bs_set(i, 0x40000000);
}
}
void board_add_ram_info(int use_default)
{
if (ecc_enabled())
printf(" (ECC");
else
printf(" (ECC not");
printf(" enabled)");
}
#endif /* CONFIG_SYS_BOARD_DRAM_INIT */

View file

@ -65,10 +65,14 @@ enum {
/*
* Default Device Address MAP BAR values
*/
#define DEFADR_PCI_MEM 0x90000000
#define DEFADR_PCI_IO 0xC0000000
#define DEFADR_SPIF 0xF4000000
#define DEFADR_BOOTROM 0xF8000000
#define MBUS_PCI_MEM_BASE 0xE8000000
#define MBUS_PCI_MEM_SIZE (128 << 20)
#define MBUS_PCI_IO_BASE 0xF1100000
#define MBUS_PCI_IO_SIZE (64 << 10)
#define MBUS_SPI_BASE 0xF4000000
#define MBUS_SPI_SIZE (8 << 20)
#define MBUS_BOOTROM_BASE 0xF8000000
#define MBUS_BOOTROM_SIZE (8 << 20)
struct mbus_win {
u32 base;
@ -113,6 +117,7 @@ unsigned int mvebu_sdram_bs(enum memory_bank bank);
void mvebu_sdram_size_adjust(enum memory_bank bank);
int mvebu_mbus_probe(struct mbus_win windows[], int count);
int mvebu_soc_family(void);
u32 mvebu_get_nand_clock(void);
int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks);

View file

@ -11,6 +11,8 @@
#ifndef _MVEBU_SOC_H
#define _MVEBU_SOC_H
#define BIT(x) (1 << (x))
#define SOC_MV78460_ID 0x7846
#define SOC_88F6810_ID 0x6810
#define SOC_88F6820_ID 0x6820
@ -25,6 +27,9 @@
#define CONFIG_SYS_TCLK 250000000 /* 250MHz */
#endif
/* Armada XP PLL frequency (used for NAND clock generation) */
#define CONFIG_SYS_MVEBU_PLL_CLOCK 2000000000
/* SOC specific definations */
#define INTREG_BASE 0xd0000000
#define INTREG_BASE_ADDR_REG (INTREG_BASE + 0x20080)
@ -53,19 +58,43 @@
#define MVEBU_GPIO1_BASE (MVEBU_REGISTER(0x18140))
#define MVEBU_GPIO2_BASE (MVEBU_REGISTER(0x18180))
#define MVEBU_SYSTEM_REG_BASE (MVEBU_REGISTER(0x18200))
#define MVEBU_CLOCK_BASE (MVEBU_REGISTER(0x18700))
#define MVEBU_CPU_WIN_BASE (MVEBU_REGISTER(0x20000))
#define MVEBU_SDRAM_BASE (MVEBU_REGISTER(0x20180))
#define MVEBU_TIMER_BASE (MVEBU_REGISTER(0x20300))
#define MVEBU_EGIGA2_BASE (MVEBU_REGISTER(0x30000))
#define MVEBU_EGIGA3_BASE (MVEBU_REGISTER(0x34000))
#define MVEBU_REG_PCIE_BASE (MVEBU_REGISTER(0x40000))
#define MVEBU_AXP_USB_BASE (MVEBU_REGISTER(0x50000))
#define MVEBU_USB20_BASE (MVEBU_REGISTER(0x58000))
#define MVEBU_EGIGA0_BASE (MVEBU_REGISTER(0x70000))
#define MVEBU_EGIGA1_BASE (MVEBU_REGISTER(0x74000))
#define MVEBU_AXP_SATA_BASE (MVEBU_REGISTER(0xa0000))
#define MVEBU_SATA0_BASE (MVEBU_REGISTER(0xa8000))
#define MVEBU_NAND_BASE (MVEBU_REGISTER(0xd0000))
#define MVEBU_SDIO_BASE (MVEBU_REGISTER(0xd8000))
#define SOC_COHERENCY_FABRIC_CTRL_REG (MVEBU_REGISTER(0x20200))
#define MBUS_ERR_PROP_EN (1 << 8)
#define MBUS_BRIDGE_WIN_CTRL_REG (MVEBU_REGISTER(0x20250))
#define MBUS_BRIDGE_WIN_BASE_REG (MVEBU_REGISTER(0x20254))
#define MVEBU_SOC_DEV_MUX_REG (MVEBU_SYSTEM_REG_BASE + 0x08)
#define NAND_EN BIT(0)
#define NAND_ARBITER_EN BIT(27)
#define ARMADA_XP_PUP_ENABLE (MVEBU_SYSTEM_REG_BASE + 0x44c)
#define GE0_PUP_EN BIT(0)
#define GE1_PUP_EN BIT(1)
#define LCD_PUP_EN BIT(2)
#define NAND_PUP_EN BIT(4)
#define SPI_PUP_EN BIT(5)
#define MVEBU_CORE_DIV_CLK_CTRL(i) (MVEBU_CLOCK_BASE + ((i) * 0x8))
#define NAND_ECC_DIVCKL_RATIO_OFFS 8
#define NAND_ECC_DIVCKL_RATIO_MASK (0x3F << NAND_ECC_DIVCKL_RATIO_OFFS)
#define SDRAM_MAX_CS 4
#define SDRAM_ADDR_MASK 0xFF000000

View file

@ -52,10 +52,9 @@
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <linux/compat.h>
#include <linux/mbus.h>
#define BIT(nr) (1UL << (nr))
/* DDR target is the same on all platforms */
#define TARGET_DDR 0
@ -407,6 +406,53 @@ int mvebu_mbus_del_window(phys_addr_t base, size_t size)
return 0;
}
static void mvebu_mbus_get_lowest_base(struct mvebu_mbus_state *mbus,
phys_addr_t *base)
{
int win;
*base = 0xffffffff;
for (win = 0; win < mbus->soc->num_wins; win++) {
u64 wbase;
u32 wsize;
u8 wtarget, wattr;
int enabled;
mvebu_mbus_read_window(mbus, win,
&enabled, &wbase, &wsize,
&wtarget, &wattr, NULL);
if (!enabled)
continue;
if (wbase < *base)
*base = wbase;
}
}
static void mvebu_config_mbus_bridge(struct mvebu_mbus_state *mbus)
{
phys_addr_t base;
u32 val;
u32 size;
/* Set MBUS bridge base/ctrl */
mvebu_mbus_get_lowest_base(&mbus_state, &base);
size = 0xffffffff - base + 1;
if (!is_power_of_2(size)) {
/* Round up to next power of 2 */
size = 1 << (ffs(base) + 1);
base = 0xffffffff - size + 1;
}
/* Now write base and size */
writel(base, MBUS_BRIDGE_WIN_BASE_REG);
/* Align window size to 64KiB */
val = (size / (64 << 10)) - 1;
writel((val << 16) | 0x1, MBUS_BRIDGE_WIN_CTRL_REG);
}
int mbus_dt_setup_win(struct mvebu_mbus_state *mbus,
u32 base, u32 size, u8 target, u8 attr)
{
@ -426,6 +472,13 @@ int mbus_dt_setup_win(struct mvebu_mbus_state *mbus,
return -ENOMEM;
}
/*
* Re-configure the mbus bridge registers each time this function
* is called. Since it may get called from the board code in
* later boot stages as well.
*/
mvebu_config_mbus_bridge(mbus);
return 0;
}

View file

@ -7,6 +7,7 @@
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
@ -15,8 +16,6 @@
DECLARE_GLOBAL_DATA_PTR;
#define BIT(nr) (1UL << (nr))
#define ETH_PHY_CTRL_REG 0
#define ETH_PHY_CTRL_POWER_DOWN_BIT 11
#define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
@ -132,3 +131,9 @@ int checkboard(void)
return 0;
}
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis); /* Built in controller(s) come first */
return pci_eth_init(bis);
}

View file

@ -6,14 +6,13 @@
#include <common.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
#define BIT(nr) (1UL << (nr))
#define ETH_PHY_CTRL_REG 0
#define ETH_PHY_CTRL_POWER_DOWN_BIT 11
#define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
@ -82,6 +81,12 @@ int checkboard(void)
return 0;
}
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis); /* Built in controller(s) come first */
return pci_eth_init(bis);
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1545 PHY */
void reset_phy(void)

View file

@ -44,7 +44,7 @@
* DDR3_TRAINING_DEBUG - Debug prints of internal code
*/
#define DDR_TARGET_FABRIC 5
#define DRAM_ECC 0
#define DRAM_ECC 1
#ifdef MV_DDR_32BIT
#define BUS_WIDTH 32

View file

@ -18,7 +18,6 @@ static u32 xor_regs_ctrl_backup;
static u32 xor_regs_base_backup[MAX_CS];
static u32 xor_regs_mask_backup[MAX_CS];
static void mv_xor_hal_init(u32 chan_num);
static int mv_xor_cmd_set(u32 chan, int command);
static int mv_xor_ctrl_set(u32 chan, u32 xor_ctrl);
@ -110,7 +109,7 @@ void mv_sys_xor_finish(void)
* RETURN:
* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise.
*/
static void mv_xor_hal_init(u32 chan_num)
void mv_xor_hal_init(u32 chan_num)
{
u32 i;

View file

@ -60,6 +60,7 @@ struct crc_dma_desc {
u32 src_addr1; /* Mode: Source Block address pointer */
} __packed;
void mv_xor_hal_init(u32 chan_num);
int mv_xor_state_get(u32 chan);
void mv_sys_xor_init(MV_DRAM_INFO *dram_info);
void mv_sys_xor_finish(void);

View file

@ -41,7 +41,6 @@
printf(fmt, ##args)
#define CONFIG_NR_CPUS 1
#define BIT(nr) (1UL << (nr))
#define ETH_HLEN 14 /* Total octets in header */
/* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */

View file

@ -21,6 +21,7 @@ obj-$(CONFIG_PCI_GT64120) += pci_gt64120.o
obj-$(CONFIG_PCI_MSC01) += pci_msc01.o
obj-$(CONFIG_PCIE_IMX) += pcie_imx.o
obj-$(CONFIG_FTPCI100) += pci_ftpci100.o
obj-$(CONFIG_PCI_MVEBU) += pci_mvebu.o
obj-$(CONFIG_SH4_PCI) += pci_sh4.o
obj-$(CONFIG_SH7751_PCI) +=pci_sh7751.o
obj-$(CONFIG_SH7780_PCI) +=pci_sh7780.o

423
drivers/pci/pci_mvebu.c Normal file
View file

@ -0,0 +1,423 @@
/*
* PCIe driver for Marvell MVEBU SoCs
*
* Based on Barebox drivers/pci/pci-mvebu.c
*
* Ported to U-Boot by:
* Anton Schubert <anton.schubert@gmx.de>
* Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <pci.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <linux/mbus.h>
DECLARE_GLOBAL_DATA_PTR;
/* PCIe unit register offsets */
#define SELECT(x, n) ((x >> n) & 1UL)
#define PCIE_DEV_ID_OFF 0x0000
#define PCIE_CMD_OFF 0x0004
#define PCIE_DEV_REV_OFF 0x0008
#define PCIE_BAR_LO_OFF(n) (0x0010 + ((n) << 3))
#define PCIE_BAR_HI_OFF(n) (0x0014 + ((n) << 3))
#define PCIE_CAPAB_OFF 0x0060
#define PCIE_CTRL_STAT_OFF 0x0068
#define PCIE_HEADER_LOG_4_OFF 0x0128
#define PCIE_BAR_CTRL_OFF(n) (0x1804 + (((n) - 1) * 4))
#define PCIE_WIN04_CTRL_OFF(n) (0x1820 + ((n) << 4))
#define PCIE_WIN04_BASE_OFF(n) (0x1824 + ((n) << 4))
#define PCIE_WIN04_REMAP_OFF(n) (0x182c + ((n) << 4))
#define PCIE_WIN5_CTRL_OFF 0x1880
#define PCIE_WIN5_BASE_OFF 0x1884
#define PCIE_WIN5_REMAP_OFF 0x188c
#define PCIE_CONF_ADDR_OFF 0x18f8
#define PCIE_CONF_ADDR_EN BIT(31)
#define PCIE_CONF_REG(r) ((((r) & 0xf00) << 16) | ((r) & 0xfc))
#define PCIE_CONF_BUS(b) (((b) & 0xff) << 16)
#define PCIE_CONF_DEV(d) (((d) & 0x1f) << 11)
#define PCIE_CONF_FUNC(f) (((f) & 0x7) << 8)
#define PCIE_CONF_ADDR(dev, reg) \
(PCIE_CONF_BUS(PCI_BUS(dev)) | PCIE_CONF_DEV(PCI_DEV(dev)) | \
PCIE_CONF_FUNC(PCI_FUNC(dev)) | PCIE_CONF_REG(reg) | \
PCIE_CONF_ADDR_EN)
#define PCIE_CONF_DATA_OFF 0x18fc
#define PCIE_MASK_OFF 0x1910
#define PCIE_MASK_ENABLE_INTS (0xf << 24)
#define PCIE_CTRL_OFF 0x1a00
#define PCIE_CTRL_X1_MODE BIT(0)
#define PCIE_STAT_OFF 0x1a04
#define PCIE_STAT_BUS (0xff << 8)
#define PCIE_STAT_DEV (0x1f << 16)
#define PCIE_STAT_LINK_DOWN BIT(0)
#define PCIE_DEBUG_CTRL 0x1a60
#define PCIE_DEBUG_SOFT_RESET BIT(20)
struct resource {
u32 start;
u32 end;
};
struct mvebu_pcie {
struct pci_controller hose;
char *name;
void __iomem *base;
void __iomem *membase;
struct resource mem;
void __iomem *iobase;
u32 port;
u32 lane;
u32 lane_mask;
pci_dev_t dev;
};
#define to_pcie(_hc) container_of(_hc, struct mvebu_pcie, pci)
/*
* MVEBU PCIe controller needs MEMORY and I/O BARs to be mapped
* into SoCs address space. Each controller will map 32M of MEM
* and 64K of I/O space when registered.
*/
static void __iomem *mvebu_pcie_membase = (void __iomem *)MBUS_PCI_MEM_BASE;
#define PCIE_MEM_SIZE (32 << 20)
#if defined(CONFIG_ARMADA_38X)
#define PCIE_BASE(if) \
((if) == 0 ? \
MVEBU_REG_PCIE_BASE + 0x40000 : \
MVEBU_REG_PCIE_BASE + 0x4000 * (if))
/*
* On A38x MV6820 these PEX ports are supported:
* 0 - Port 0.0
* 1 - Port 0.1
* 2 - Port 0.2
*/
#define MAX_PEX 3
static struct mvebu_pcie pcie_bus[MAX_PEX];
static void mvebu_get_port_lane(struct mvebu_pcie *pcie, int pex_idx,
int *mem_target, int *mem_attr)
{
u8 port[] = { 0, 1, 2 };
u8 lane[] = { 0, 0, 0 };
u8 target[] = { 8, 4, 4 };
u8 attr[] = { 0xe8, 0xe8, 0xd8 };
pcie->port = port[pex_idx];
pcie->lane = lane[pex_idx];
*mem_target = target[pex_idx];
*mem_attr = attr[pex_idx];
}
#else
#define PCIE_BASE(if) \
((if) < 8 ? \
(MVEBU_REG_PCIE_BASE + ((if) / 4) * 0x40000 + ((if) % 4) * 0x4000) : \
(MVEBU_REG_PCIE_BASE + 0x2000 + ((if) % 8) * 0x40000))
/*
* On AXP MV78460 these PEX ports are supported:
* 0 - Port 0.0
* 1 - Port 0.1
* 2 - Port 0.2
* 3 - Port 0.3
* 4 - Port 1.0
* 5 - Port 1.1
* 6 - Port 1.2
* 7 - Port 1.3
* 8 - Port 2.0
* 9 - Port 3.0
*/
#define MAX_PEX 10
static struct mvebu_pcie pcie_bus[MAX_PEX];
static void mvebu_get_port_lane(struct mvebu_pcie *pcie, int pex_idx,
int *mem_target, int *mem_attr)
{
u8 port[] = { 0, 0, 0, 0, 1, 1, 1, 1, 2, 3 };
u8 lane[] = { 0, 1, 2, 3, 0, 1, 2, 3, 0, 0 };
u8 target[] = { 4, 4, 4, 4, 8, 8, 8, 8, 4, 8 };
u8 attr[] = { 0xe8, 0xd8, 0xb8, 0x78,
0xe8, 0xd8, 0xb8, 0x78,
0xf8, 0xf8 };
pcie->port = port[pex_idx];
pcie->lane = lane[pex_idx];
*mem_target = target[pex_idx];
*mem_attr = attr[pex_idx];
}
#endif
static inline bool mvebu_pcie_link_up(struct mvebu_pcie *pcie)
{
u32 val;
val = readl(pcie->base + PCIE_STAT_OFF);
return !(val & PCIE_STAT_LINK_DOWN);
}
static void mvebu_pcie_set_local_bus_nr(struct mvebu_pcie *pcie, int busno)
{
u32 stat;
stat = readl(pcie->base + PCIE_STAT_OFF);
stat &= ~PCIE_STAT_BUS;
stat |= busno << 8;
writel(stat, pcie->base + PCIE_STAT_OFF);
}
static void mvebu_pcie_set_local_dev_nr(struct mvebu_pcie *pcie, int devno)
{
u32 stat;
stat = readl(pcie->base + PCIE_STAT_OFF);
stat &= ~PCIE_STAT_DEV;
stat |= devno << 16;
writel(stat, pcie->base + PCIE_STAT_OFF);
}
static int mvebu_pcie_get_local_bus_nr(struct mvebu_pcie *pcie)
{
u32 stat;
stat = readl(pcie->base + PCIE_STAT_OFF);
return (stat & PCIE_STAT_BUS) >> 8;
}
static int mvebu_pcie_get_local_dev_nr(struct mvebu_pcie *pcie)
{
u32 stat;
stat = readl(pcie->base + PCIE_STAT_OFF);
return (stat & PCIE_STAT_DEV) >> 16;
}
static inline struct mvebu_pcie *hose_to_pcie(struct pci_controller *hose)
{
return container_of(hose, struct mvebu_pcie, hose);
}
static int mvebu_pcie_read_config_dword(struct pci_controller *hose,
pci_dev_t dev, int offset, u32 *val)
{
struct mvebu_pcie *pcie = hose_to_pcie(hose);
int local_bus = PCI_BUS(pcie->dev);
int local_dev = PCI_DEV(pcie->dev);
u32 reg;
/* Only allow one other device besides the local one on the local bus */
if (PCI_BUS(dev) == local_bus && PCI_DEV(dev) != local_dev) {
if (local_dev == 0 && PCI_DEV(dev) != 1) {
/*
* If local dev is 0, the first other dev can
* only be 1
*/
*val = 0xffffffff;
return 1;
} else if (local_dev != 0 && PCI_DEV(dev) != 0) {
/*
* If local dev is not 0, the first other dev can
* only be 0
*/
*val = 0xffffffff;
return 1;
}
}
/* write address */
reg = PCIE_CONF_ADDR(dev, offset);
writel(reg, pcie->base + PCIE_CONF_ADDR_OFF);
*val = readl(pcie->base + PCIE_CONF_DATA_OFF);
return 0;
}
static int mvebu_pcie_write_config_dword(struct pci_controller *hose,
pci_dev_t dev, int offset, u32 val)
{
struct mvebu_pcie *pcie = hose_to_pcie(hose);
int local_bus = PCI_BUS(pcie->dev);
int local_dev = PCI_DEV(pcie->dev);
/* Only allow one other device besides the local one on the local bus */
if (PCI_BUS(dev) == local_bus && PCI_DEV(dev) != local_dev) {
if (local_dev == 0 && PCI_DEV(dev) != 1) {
/*
* If local dev is 0, the first other dev can
* only be 1
*/
return 1;
} else if (local_dev != 0 && PCI_DEV(dev) != 0) {
/*
* If local dev is not 0, the first other dev can
* only be 0
*/
return 1;
}
}
writel(PCIE_CONF_ADDR(dev, offset), pcie->base + PCIE_CONF_ADDR_OFF);
writel(val, pcie->base + PCIE_CONF_DATA_OFF);
return 0;
}
/*
* Setup PCIE BARs and Address Decode Wins:
* BAR[0,2] -> disabled, BAR[1] -> covers all DRAM banks
* WIN[0-3] -> DRAM bank[0-3]
*/
static void mvebu_pcie_setup_wins(struct mvebu_pcie *pcie)
{
const struct mbus_dram_target_info *dram = mvebu_mbus_dram_info();
u32 size;
int i;
/* First, disable and clear BARs and windows. */
for (i = 1; i < 3; i++) {
writel(0, pcie->base + PCIE_BAR_CTRL_OFF(i));
writel(0, pcie->base + PCIE_BAR_LO_OFF(i));
writel(0, pcie->base + PCIE_BAR_HI_OFF(i));
}
for (i = 0; i < 5; i++) {
writel(0, pcie->base + PCIE_WIN04_CTRL_OFF(i));
writel(0, pcie->base + PCIE_WIN04_BASE_OFF(i));
writel(0, pcie->base + PCIE_WIN04_REMAP_OFF(i));
}
writel(0, pcie->base + PCIE_WIN5_CTRL_OFF);
writel(0, pcie->base + PCIE_WIN5_BASE_OFF);
writel(0, pcie->base + PCIE_WIN5_REMAP_OFF);
/* Setup windows for DDR banks. Count total DDR size on the fly. */
size = 0;
for (i = 0; i < dram->num_cs; i++) {
const struct mbus_dram_window *cs = dram->cs + i;
writel(cs->base & 0xffff0000,
pcie->base + PCIE_WIN04_BASE_OFF(i));
writel(0, pcie->base + PCIE_WIN04_REMAP_OFF(i));
writel(((cs->size - 1) & 0xffff0000) |
(cs->mbus_attr << 8) |
(dram->mbus_dram_target_id << 4) | 1,
pcie->base + PCIE_WIN04_CTRL_OFF(i));
size += cs->size;
}
/* Round up 'size' to the nearest power of two. */
if ((size & (size - 1)) != 0)
size = 1 << fls(size);
/* Setup BAR[1] to all DRAM banks. */
writel(dram->cs[0].base | 0xc, pcie->base + PCIE_BAR_LO_OFF(1));
writel(0, pcie->base + PCIE_BAR_HI_OFF(1));
writel(((size - 1) & 0xffff0000) | 0x1,
pcie->base + PCIE_BAR_CTRL_OFF(1));
}
void pci_init_board(void)
{
int mem_target, mem_attr, i;
int bus = 0;
u32 reg;
u32 soc_ctrl = readl(MVEBU_SYSTEM_REG_BASE + 0x4);
/* Check SoC Control Power State */
debug("%s: SoC Control %08x, 0en %01lx, 1en %01lx, 2en %01lx\n",
__func__, soc_ctrl, SELECT(soc_ctrl, 0), SELECT(soc_ctrl, 1),
SELECT(soc_ctrl, 2));
for (i = 0; i < MAX_PEX; i++) {
struct mvebu_pcie *pcie = &pcie_bus[i];
struct pci_controller *hose = &pcie->hose;
/* Get port number, lane number and memory target / attr */
mvebu_get_port_lane(pcie, i, &mem_target, &mem_attr);
/* Don't read at all from pci registers if port power is down */
if (pcie->lane == 0 && SELECT(soc_ctrl, pcie->port) == 0) {
i += 3;
debug("%s: skipping port %d\n", __func__, pcie->port);
continue;
}
pcie->base = (void __iomem *)PCIE_BASE(i);
/* Check link and skip ports that have no link */
if (!mvebu_pcie_link_up(pcie)) {
debug("%s: PCIe %d.%d - down\n", __func__,
pcie->port, pcie->lane);
continue;
}
debug("%s: PCIe %d.%d - up, base %08x\n", __func__,
pcie->port, pcie->lane, (u32)pcie->base);
/* Read Id info and local bus/dev */
debug("direct conf read %08x, local bus %d, local dev %d\n",
readl(pcie->base), mvebu_pcie_get_local_bus_nr(pcie),
mvebu_pcie_get_local_dev_nr(pcie));
mvebu_pcie_set_local_bus_nr(pcie, bus);
mvebu_pcie_set_local_dev_nr(pcie, 0);
pcie->dev = PCI_BDF(bus, 0, 0);
pcie->mem.start = (u32)mvebu_pcie_membase;
pcie->mem.end = pcie->mem.start + PCIE_MEM_SIZE - 1;
mvebu_pcie_membase += PCIE_MEM_SIZE;
if (mvebu_mbus_add_window_by_id(mem_target, mem_attr,
(phys_addr_t)pcie->mem.start,
PCIE_MEM_SIZE)) {
printf("PCIe unable to add mbus window for mem at %08x+%08x\n",
(u32)pcie->mem.start, PCIE_MEM_SIZE);
}
/* Setup windows and configure host bridge */
mvebu_pcie_setup_wins(pcie);
/* Master + slave enable. */
reg = readl(pcie->base + PCIE_CMD_OFF);
reg |= PCI_COMMAND_MEMORY;
reg |= PCI_COMMAND_MASTER;
reg |= BIT(10); /* disable interrupts */
writel(reg, pcie->base + PCIE_CMD_OFF);
/* Setup U-Boot PCI Controller */
hose->first_busno = 0;
hose->current_busno = bus;
/* PCI memory space */
pci_set_region(hose->regions + 0, pcie->mem.start,
pcie->mem.start, PCIE_MEM_SIZE, PCI_REGION_MEM);
pci_set_region(hose->regions + 1,
0, 0,
gd->ram_size,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
hose->region_count = 2;
pci_set_ops(hose,
pci_hose_read_config_byte_via_dword,
pci_hose_read_config_word_via_dword,
mvebu_pcie_read_config_dword,
pci_hose_write_config_byte_via_dword,
pci_hose_write_config_word_via_dword,
mvebu_pcie_write_config_dword);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
/* Set BAR0 to internal registers */
writel(SOC_REGS_PHY_BASE, pcie->base + PCIE_BAR_LO_OFF(0));
writel(0, pcie->base + PCIE_BAR_HI_OFF(0));
bus = hose->last_busno + 1;
}
}

View file

@ -30,14 +30,22 @@ DECLARE_GLOBAL_DATA_PTR;
*/
#ifdef CONFIG_ARMADA_XP
#define MVUSB0_BASE MVEBU_USB20_BASE
/*
* Armada XP and Armada 38x have different base addresses for
* the USB 2.0 EHCI host controller. So we need to provide
* a mechnism to support both here.
*/
#define MVUSB0_BASE \
(mvebu_soc_family() == MVEBU_SOC_A38X ? \
MVEBU_USB20_BASE : MVEBU_AXP_USB_BASE)
#define MVUSB_BASE(port) MVUSB0_BASE + ((port) << 12)
/*
* Once all the older Marvell SoC's (Orion, Kirkwood) are converted
* to the common mvebu archticture including the mbus setup, this
* will be the only function needed to configure the access windows
*/
static void usb_brg_adrdec_setup(void)
static void usb_brg_adrdec_setup(int index)
{
const struct mbus_dram_target_info *dram;
int i;
@ -45,8 +53,8 @@ static void usb_brg_adrdec_setup(void)
dram = mvebu_mbus_dram_info();
for (i = 0; i < 4; i++) {
writel(0, MVUSB0_BASE + USB_WINDOW_CTRL(i));
writel(0, MVUSB0_BASE + USB_WINDOW_BASE(i));
writel(0, MVUSB_BASE(index) + USB_WINDOW_CTRL(i));
writel(0, MVUSB_BASE(index) + USB_WINDOW_BASE(i));
}
for (i = 0; i < dram->num_cs; i++) {
@ -55,14 +63,16 @@ static void usb_brg_adrdec_setup(void)
/* Write size, attributes and target id to control register */
writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) |
(dram->mbus_dram_target_id << 4) | 1,
MVUSB0_BASE + USB_WINDOW_CTRL(i));
MVUSB_BASE(index) + USB_WINDOW_CTRL(i));
/* Write base address to base register */
writel(cs->base, MVUSB0_BASE + USB_WINDOW_BASE(i));
writel(cs->base, MVUSB_BASE(index) + USB_WINDOW_BASE(i));
}
}
#else
static void usb_brg_adrdec_setup(void)
#define MVUSB_BASE(port) MVUSB0_BASE
static void usb_brg_adrdec_setup(int index)
{
int i;
u32 size, base, attrib;
@ -111,9 +121,9 @@ static void usb_brg_adrdec_setup(void)
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
usb_brg_adrdec_setup();
usb_brg_adrdec_setup(index);
*hccr = (struct ehci_hccr *)(MVUSB0_BASE + 0x100);
*hccr = (struct ehci_hccr *)(MVUSB_BASE(index) + 0x100);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

View file

@ -20,7 +20,12 @@
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_DISPLAY_BOARDINFO_LATE
#define CONFIG_SYS_TEXT_BASE 0x04000000
/*
* TEXT_BASE needs to be below 16MiB, since this area is scrubbed
* for DDR ECC byte filling in the SPL before loading the main
* U-Boot into it.
*/
#define CONFIG_SYS_TEXT_BASE 0x00800000
#define CONFIG_SYS_TCLK 250000000 /* 250MHz */
/*
@ -36,6 +41,7 @@
#define CONFIG_CMD_FS_GENERIC
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MMC
#define CONFIG_CMD_PCI
#define CONFIG_CMD_PING
#define CONFIG_CMD_SCSI
#define CONFIG_CMD_SF
@ -101,6 +107,13 @@
#define CONFIG_SYS_NETA_INTERFACE_TYPE PHY_INTERFACE_MODE_RGMII
#define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer aneg time */
/* PCIe support */
#define CONFIG_PCI
#define CONFIG_PCI_MVEBU
#define CONFIG_PCI_PNP
#define CONFIG_PCI_SCAN_SHOW
#define CONFIG_E1000 /* enable Intel E1000 support for testing */
#define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup */
#define CONFIG_SYS_ALT_MEMTEST

View file

@ -17,7 +17,12 @@
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_DISPLAY_BOARDINFO_LATE
#define CONFIG_SYS_TEXT_BASE 0x04000000
/*
* TEXT_BASE needs to be below 16MiB, since this area is scrubbed
* for DDR ECC byte filling in the SPL before loading the main
* U-Boot into it.
*/
#define CONFIG_SYS_TEXT_BASE 0x00800000
#define CONFIG_SYS_TCLK 250000000 /* 250MHz */
/*
@ -28,11 +33,13 @@
#define CONFIG_CMD_ENV
#define CONFIG_CMD_I2C
#define CONFIG_CMD_IDE
#define CONFIG_CMD_PCI
#define CONFIG_CMD_PING
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
#define CONFIG_CMD_TFTPPUT
#define CONFIG_CMD_TIME
#define CONFIG_CMD_USB
/* I2C */
#define CONFIG_SYS_I2C
@ -41,6 +48,13 @@
#define CONFIG_SYS_I2C_SLAVE 0x0
#define CONFIG_SYS_I2C_SPEED 100000
/* USB/EHCI configuration */
#define CONFIG_USB_EHCI
#define CONFIG_USB_STORAGE
#define CONFIG_USB_EHCI_MARVELL
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_MAX_CONTROLLER_COUNT 3
/* SPI NOR flash default params, used by sf commands */
#define CONFIG_SF_DEFAULT_SPEED 1000000
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
@ -89,6 +103,13 @@
#define CONFIG_DOS_PARTITION
#endif /* CONFIG_CMD_IDE */
/* PCIe support */
#define CONFIG_PCI
#define CONFIG_PCI_MVEBU
#define CONFIG_PCI_PNP
#define CONFIG_PCI_SCAN_SHOW
#define CONFIG_E1000 /* enable Intel E1000 support for testing */
/*
* mv-common.h should be defined after CMD configs since it used them
* to enable certain macros
@ -136,6 +157,7 @@
#define CONFIG_SPL_SPI_BUS 0
#define CONFIG_SPL_SPI_CS 0
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
#define CONFIG_SYS_U_BOOT_OFFS CONFIG_SYS_SPI_U_BOOT_OFFS
/* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */
#define CONFIG_SYS_MVEBU_DDR_AXP

View file

@ -15,7 +15,12 @@
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_DISPLAY_BOARDINFO_LATE
#define CONFIG_SYS_TEXT_BASE 0x04000000
/*
* TEXT_BASE needs to be below 16MiB, since this area is scrubbed
* for DDR ECC byte filling in the SPL before loading the main
* U-Boot into it.
*/
#define CONFIG_SYS_TEXT_BASE 0x00800000
#define CONFIG_SYS_TCLK 250000000 /* 250MHz */
/*