void kgdb_params_early_init(void)
{
mtspr(SPRN_M_TWB, virt_to_phys(tmp_sw_page));
#ifdef CONFIG_PPC_8xx
__initial_memory_limit = 0x800000;
#endif
get_from_flat_dt("cpu", "clock-frequency", &ppc_proc_freq);
get_from_flat_dt("soc", "reg", &immrbase);
get_from_flat_dt("cpm", "brg-frequency", &brgfreq);
#ifdef CONFIG_PPC_EP88XC
cpm_reset();
init_ioports();
#ifdef CONFIG_KGDB_CPM_UART_SMC1
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
#endif
#ifdef CONFIG_KGDB_CPM_UART_SCC2
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX);
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX);
#endif
#else
/* early dpmem init */
m8xx_cpm_dpinit();
#endif
}
static void __init init_ioports(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(ep88xc_pins); i++) {
struct cpm_pin *pin = &ep88xc_pins[i];
cpm1_set_pin(pin->port, pin->pin, pin->flags);
}
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_TX); /* USB */
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX);
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX);
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX);
}
static void __init init_ioports(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(mpc866ads_pins); i++) {
struct cpm_pin *pin = &mpc866ads_pins[i];
cpm1_set_pin(pin->port, pin->pin, pin->flags);
}
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SMC2, CPM_BRG2, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK1, CPM_CLK_TX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX);
/* Set FEC1 and FEC2 to MII mode */
clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
}
static void __init init_ioports(void)
{
struct device_node *dnode;
struct property *prop;
int len;
init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]);
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
dnode = of_find_node_by_name(NULL, "aliases");
if (dnode == NULL)
return;
prop = of_find_property(dnode, "ethernet1", &len);
if (prop == NULL)
return;
/* init FEC pins */
init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]);
}