ppc4xx: Bring 4xx fdt support up-to-date
This patch update the 4xx fdt support. It enabled fdt booting on the AMCC Kilauea and Sequoia for now. More can follow later quite easily. Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
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3b9abdc448
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136288847e
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@ -25,6 +25,7 @@
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#include <ppc4xx.h>
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#include <ppc4xx.h>
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#include <ppc405.h>
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#include <ppc405.h>
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#include <libfdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <asm/processor.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/io.h>
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@ -23,9 +23,11 @@
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*/
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*/
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#include <common.h>
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#include <common.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <ppc440.h>
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#include <asm/processor.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/io.h>
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#include <ppc440.h>
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DECLARE_GLOBAL_DATA_PTR;
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DECLARE_GLOBAL_DATA_PTR;
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@ -583,3 +585,24 @@ int post_hotkeys_pressed(void)
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return 0; /* No hotkeys supported */
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return 0; /* No hotkeys supported */
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}
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}
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#endif /* CONFIG_POST */
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#endif /* CONFIG_POST */
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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void ft_board_setup(void *blob, bd_t *bd)
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{
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u32 val[4];
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int rc;
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ft_cpu_setup(blob, bd);
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/* Fixup NOR mapping */
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val[0] = 0; /* chip select number */
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val[1] = 0; /* always 0 */
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val[2] = gd->bd->bi_flashstart;
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val[3] = gd->bd->bi_flashsize;
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rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
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val, sizeof(val), 1);
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if (rc)
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printf("Unable to update property NOR mapping, err=%s\n",
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fdt_strerror(rc));
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}
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#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
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114
cpu/ppc4xx/fdt.c
114
cpu/ppc4xx/fdt.c
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@ -35,25 +35,18 @@
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#if defined(CONFIG_OF_LIBFDT)
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#include <libfdt.h>
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#include <libfdt_env.h>
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#include <libfdt_env.h>
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#include <fdt_support.h>
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DECLARE_GLOBAL_DATA_PTR;
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DECLARE_GLOBAL_DATA_PTR;
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static void do_fixup(void *fdt, const char *node, const char *prop,
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/*
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const void *val, int len, int create)
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* The aliases needed for this generic etherne MAC address
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{
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* fixup function are not in place yet. So don't use this
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#if defined(DEBUG)
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* approach for now. This will be enabled later.
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int i;
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*/
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debug("Updating property '%s/%s' = ", node, prop);
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#undef USES_FDT_ALIASES
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("(%d)\n", *(u32 *)val);
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#endif
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int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create);
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if (rc)
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printf("Unable to update property %s:%s, err=%s\n",
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node, prop, fdt_strerror(rc));
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}
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#ifndef USES_FDT_ALIASES
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static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i)
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static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i)
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{
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{
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int rc;
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int rc;
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@ -69,87 +62,47 @@ static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i)
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printf("Unable to update property %s, err=%s\n",
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printf("Unable to update property %s, err=%s\n",
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"local-mac-address", fdt_strerror(rc));
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"local-mac-address", fdt_strerror(rc));
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}
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}
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#endif /* USES_FDT_ALIASES */
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static void do_fixup_u32(void *fdt, const char *node, const char *prop,
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u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup(fdt, node, prop, &val, sizeof(val), create);
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}
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static void do_fixup_uart(void *fdt, int offset, int i, bd_t *bd)
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{
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int rc;
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u32 val;
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PPC4xx_SYS_INFO sys_info;
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get_sys_info(&sys_info);
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debug("Updating node UART%d: clock-frequency=%d\n", i, gd->uart_clk);
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val = cpu_to_fdt32(gd->uart_clk);
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rc = fdt_setprop(fdt, offset, "clock-frequency", &val, 4);
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if (rc)
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printf("Unable to update node UART, err=%s\n", fdt_strerror(rc));
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val = cpu_to_fdt32(bd->bi_baudrate);
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rc = fdt_setprop(fdt, offset, "current-speed", &val, 4);
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if (rc)
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printf("Unable to update node UART, err=%s\n", fdt_strerror(rc));
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}
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void ft_cpu_setup(void *blob, bd_t *bd)
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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{
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char * cpu_path = "/cpus/" OF_CPU;
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char *cpu_path = "/cpus/" OF_CPU;
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sys_info_t sys_info;
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sys_info_t sys_info;
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int offset;
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int offset;
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int i;
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int i;
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int tmp[2];
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get_sys_info (&sys_info);
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get_sys_info(&sys_info);
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do_fixup_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1);
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do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1);
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do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
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do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
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do_fixup_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
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do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
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do_fixup_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
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do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
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do_fixup_u32(blob, "/plb/opb/ebc", "clock-frequency", sys_info.freqEBC, 1);
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do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
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sys_info.freqEBC, 1);
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/* update, or add and update /memory node */
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fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
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offset = fdt_find_node_by_path(blob, "/memory");
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if (offset < 0) {
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offset = fdt_add_subnode(blob, 0, "memory");
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if (offset < 0)
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debug("failed to add /memory node: %s\n",
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fdt_strerror(offset));
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}
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if (offset >= 0) {
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fdt_setprop(blob, offset, "device_type",
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"memory", sizeof("memory"));
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tmp[0] = cpu_to_fdt32(bd->bi_memstart);
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tmp[1] = cpu_to_fdt32(bd->bi_memsize);
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fdt_setprop(blob, offset, "reg", tmp, sizeof(tmp));
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debug("Updating /memory node to %d:%d\n",
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bd->bi_memstart, bd->bi_memsize);
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}
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/*
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/*
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* Setup all baudrates for the UARTs
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* Setup all baudrates for the UARTs
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*/
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*/
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offset = 0;
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do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
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for (i = 0; i < 4; i++) {
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offset = fdt_find_node_by_type(blob, offset, "serial");
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if (offset < 0)
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break;
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do_fixup_uart(blob, offset, i, bd);
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}
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#ifdef USES_FDT_ALIASES
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/*
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/*
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* Setup all MAC addresses in fdt
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* The aliases needed for this generic etherne MAC address
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* fixup function are not in place yet. So don't use this
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* approach for now. This will be enabled later.
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*/
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*/
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offset = 0;
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fdt_fixup_ethernet(blob, bd);
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#else
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offset = -1;
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for (i = 0; i < 4; i++) {
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for (i = 0; i < 4; i++) {
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offset = fdt_find_node_by_type(blob, offset, "network");
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/*
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* FIXME: This will cause problems with emac3 compatible
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* devices, like on 405GP. But hopefully when we deal
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* with those devices, the aliases stuff will be in
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* place.
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*/
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offset = fdt_node_offset_by_compatible(blob, offset, "ibm,emac4");
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if (offset < 0)
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if (offset < 0)
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break;
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break;
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@ -174,5 +127,6 @@ void ft_cpu_setup(void *blob, bd_t *bd)
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#endif
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#endif
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}
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}
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}
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}
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#endif /* USES_FDT_ALIASES */
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}
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}
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#endif /* CONFIG_OF_LIBFDT */
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#endif /* CONFIG_OF_LIBFDT */
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@ -519,7 +519,6 @@
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/* pass open firmware flat tree */
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/* pass open firmware flat tree */
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_OF_BOARD_SETUP 1
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#define CONFIG_OF_BOARD_SETUP 1
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#define OF_CPU "cpu@0"
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#define OF_CPU "PowerPC,405EX@0"
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#endif /* __CONFIG_H */
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#endif /* __CONFIG_H */
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@ -487,4 +487,10 @@
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#endif
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#endif
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/* pass open firmware flat tree */
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_OF_BOARD_SETUP 1
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#define OF_CPU "cpu@0"
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#endif /* __CONFIG_H */
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#endif /* __CONFIG_H */
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